КЛЕЕВАЯ КОМПОЗИЦИЯ ДЛЯ ПРОИЗВОДСТВА ГОФРИРОВАННОГО КАРТОНА

Изобретение относится к клеевой композиции, в частности для производства ламинированного картона. Композиция представляет собой клеевую композицию на основе крахмала или поливинилацетата. Клеевая композиция содержит клей и добавку. Добавка представляет собой гомополимер α,β-ненасыщенной акриловой кислоты или сополимер α,β-ненасыщенной акриловой кислоты с, по меньшей мере, одним алкилакрилатом. Причем гомополимер или сополимер сшит сшивающим агентом, который представляет собой многофункциональный винилиденовый мономер. Винилиденовый мономер представляет собой, например, бутадиен, изопрен, дивинилбензол и дивинилнафталин. Или сшивающий агент представляет собой полиалкениловый простой эфир с несколькими эфирными группами, в частности аллилпентаэритритол. Добавка представляет собой псевдопластичный материал. Клеевая композиция содержит, по меньшей мере, 0,001 мас.% добавки. Способ производства клеевой композиции включает разбавление добавки крахмалом и оптическим осветляющим агентом и добавление ...

ПОЛИМЕР-АЛЬДЕГИДНАЯ СВЯЗУЮЩАЯ СИСТЕМА ДЛЯ ИЗГОТОВЛЕНИЯ ИЗДЕЛИЙ ИЗ ДЕРЕВА

Изобретение относится к отверждаемой водной композиции для связывания лигноцеллюлозного материала. Композиция содержит полимер, содержащий гидроксильные группы, полифункциональный сшивающий агент и, необязательно, катализатор. Полимер, содержащий гидроксильные группы, представляет собой поливиниловый спирт или смесь крахмала и поливинилового спирта. Поливиниловый спирт является гидролизованным. Полифункциональный сшивающий агент является защищенным гликосалем и присутствует в концентрации по меньшей мере 25 мас.%. Катализатор выбирают из группы, состоящей из хлорида аммония, сульфата аммония, фосфорной кислоты, п-толуольной кислоты и их смесей. Композицию используют в качестве связующего вещества для получения композиционного продукта. Композиционный продукт получают нанесением на лигноцеллюлозный материал отверждаемой водной композиции и отверждением ее. Лигноуглеводный материал представляет собой фанеру, волокнистую древесностружечную плиту, древесноволокнистую плиту средней плотности ...

Физически модифицированный крахмал саго

Настоящее изобретение относится к физически модифицированному крахмалу саго. Предложенный физически модифицированный крахмал саго имеет среднюю молекулярную массу, составляющую по меньшей мере 90% от молекулярной массы исходного крахмала саго; температуру начала желатинизации, измеренную с помощью дифференциальной сканирующей калориметрии (DSC) в деминерализованной воде, составляющую по меньшей мере 71°C; управляемое развитие вязкости от 100 до 600 MVU за менее чем 15 MVU/с; пиковую вязкость, составляющую по меньшей мере 400 MVU, и падение вязкости менее чем на 40% от пиковой вязкости. Причем физически модифицированный крахмал прокаливают в избытке воды в присутствии ингибитора разбухания либо подвергают влажно-тепловой обработке. Изобретение позволяет получить крахмал, демонстрирующий увеличенную температуру начала желатинизации и управляемое повышение вязкости при сохранении значительной вязкости в горячем и в холодном состоянии, что позволяет его широко использовать в качестве загустителей ...

УПАКОВКА ДЛЯ АНАЭРОБНЫХ ПРОДУКТОВ

Изобретение относится к упаковке, включающей: контейнер, имеющий корпус контейнера, который является достаточно кислородопроницаемым, чтобы предотвращать отверждение содержащейся внутри него композиции, анаэробно отверждающейся вследствие отсутствия кислорода; и анаэробно отверждающуюся композицию, содержащуюся внутри контейнера. Изготовление корпуса контейнера из пластмассового материала, который образуется из смеси термопластического крахмального компонента и полиэтилена, позволяет получить упаковку, предназначенную для устойчивого хранения анаэробно отверждающихся композиций. 19 з.п. ф-лы, 2 ил., 5 табл.

СОПОЛИМЕР ДЕКСТРИНА, СТИРОЛА И СЛОЖНОГО ЭФИРА АКРИЛОВОЙ КИСЛОТЫ, СПОСОБ ЕГО ПОЛУЧЕНИЯ И ЕГО ПРИМЕНЕНИЕ ДЛЯ МЕЛОВАНИЯ БУМАГИ

Изобретение относится к способу свободнорадикальной полимеризации декстрина по меньшей мере с двумя гидрофобными мономерами, при этом указанный декстрин составляет по меньшей мере 60% по весу от общего веса декстрина и гидрофобных мономеров и характеризуется средневесовой молекулярной массой в диапазоне от 60000 до 2000000 Да, гидрофобные мономеры представлены стиролом и по меньшей мере одним линейным или разветвленным C1-C4-сложным эфиром акриловой кислоты, при этом весовое соотношение стирол:сложный эфир составляет от 10:90 до 90:10, полимеризация происходит в присутствии инициатора свободнорадикальной полимеризации, который представляет собой персульфат, в дозе от 0,5 до 2,5% в пересчете на сухой вес относительно сухого веса декстрина. Изобретение относится к сополимеру декстрина и по меньшей мере двух гидрофобных мономеров, представленных стиролом и по меньшей мере одним неразветвленным или разветвленным C1-C4-сложным эфиром акриловой кислоты. Изобретение также относится к применению ...

СПОСОБ ПОЛУЧЕНИЯ УПЛОТНЕННОГО МАТЕРИАЛА С ОБРАБОТАННОЙ ПОВЕРХНОСТЬЮ, ПРИГОДНОГО ДЛЯ ОБРАБОТКИ НА ОДНОШНЕКОВОМ ОБОРУДОВАНИИ ОБРАБОТКИ ПЛАСТМАСС

Настоящее изобретение относится к области обработки термопластичных полимеров, в частности к способу приготовления уплотненного материала, пригодного для применения в термопластичных полимерах без стадии компаундирования, а также к уплотненному материалу, полученному этим способом, и к его применению в термопластичных полимерах. Способ получения уплотненного материала с обработанной поверхностью включает стадии a) обеспечения по меньшей мере одним первичным порошковым материалом; b) обеспечения по меньшей мере одним расплавленным полимером для обработки поверхности; c) одновременной или последовательной подачи по меньшей мере одного первичного порошкового материала и по меньшей мере одного расплавленного полимера для обработки поверхности в высокоскоростной блок смешения с цилиндрической камерой обработки; d) смешения по меньшей мере одного первичного порошкового материала и по меньшей мере одного расплавленного полимера для обработки поверхности в высокоскоростном смесителе; e) передачи ...

УПАКОВКА ДЛЯ АНАЭРОБНЫХ ПРОДУКТОВ

ОТВЕРЖДАЕМОЕ ПРИ СДВИГЕ ИЛИ ЭКСТРУЗИИ СШИТОЕ КРАХМАЛЬНОЕ, СОДЕРЖАЩЕЕ НАНОЧАСТИЦЫ ЛАТЕКСНОЕ СВЯЗУЮЩЕЕ, ПРЕДНАЗНАЧЕННОЕ ДЛЯ ПРИМЕНЕНИЯ СОВМЕСТНО С МИНЕРАЛЬНЫМИ, ПРИРОДНЫМИ ОРГАНИЧЕСКИМИ ИЛИ СИНТЕТИЧЕСКИМИ ВОЛОКНИСТЫМИ ПРОДУКТАМИ И НЕТКАНЫМИ МАТАМИ

... 1. Отверждаемая композиция для получения композитного материала, которая включает:биополимерный, содержащий наночастицы латекс, включающий сшитые наночастицы; имногофункциональный сшиватель.2. Отверждаемая композиция по п. 1, где:биополимер представляет собой крахмал или производное крахмала.3. Отверждаемая композиция по п. 1, где:наночастицы характеризуются средним размером частиц в диапазоне от 1 до 1000 нанометров.4. Отверждаемая композиция по п. 2, где:наночастицы характеризуются средним размером частиц в диапазоне от 1 до 400 нанометров.5. Отверждаемая композиция по любому из пп.1-4, дополнительно включающая:армирующий материал, подходящий для использования при связывании в местах связывания посредством сшитых наночастиц при дополнительном сшивании посредством многофункционального сшивателя.6. Отверждаемая композиция по любому из пп.1-4, дополнительно включающая:армирующий материал, выбираемый из группы, состоящей из минеральных, природных органических или синтетических волокон.7.

VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON STAERKESCHMELZE SOWIE NACH DIESEM VERFAHREN ERHAELTLICHE PRODUKTE

SCHMELZVERARBEITBARE STÄRKEZUSAMMENSETZUNG, VERFAHREN ZU IHRER HERSTELLUNG SOWIE VERWENDUNG DERSELBEN

Trockene, in kaltem Wasser loesliche Staerkepraeparate

Verwendung amphiphiler Stärkederivate

Die Erfindung bezieht sich auf das Gebiet der chemischen Verfahrenstechnik und betrifft die Verwendung von amphiphilen Särkederivaten, welche mit überraschendem Effekt und in imposanter Qualität für die Behandlung von biogenen Suspensionen, wie Klärschlamm, Gärrest und Gülle oder für die Aufbereitung von Rohwasser (Grund- und/oder Oberflächenwasser) eingesetzt werden können.Die Aufgabe der vorliegenden Erfindung besteht in der Anwendung von amphiphilen Stärkederivaten, durch die bei der Behandlung von biogenen Suspensionen und Rohwasser zur Trinkwassergewinnung die Koagulation und Agglomeration von Störstoffen mit hoher Ausbeute realisiert werden kann.Die Aufgabe wird gelöst durch die Verwendung von amphiphilen Stärkederivaten für die Reinigung von biogenen Suspensionen, wobei anionische und/oder kationische amphiphile Stärkederivate als primäre oder sekundäre Agglomerationsadditive zum Einsatz kommen.

Biodegradable material

Process for preparing an inhibited starch

A process for preparing an inhibited starch comprising [a] extracting starch from a source, such as waxy maize (corn) and partially refining to provide a partially refined starch with a residual protein content on a dry starch basis of more than 0.4% by weight and less than 8% by weight; [b] treating the partially refined starch with a bleaching agent, such as sodium hypochlorite, to provide an inhibited starch; and [c] recovering the inhibited starch. Also disclosed, is use of the inhibited starch in a food product and a food product comprising the inhibited starch, such as an acidic food product.

Process for preparing an inhibited starch

Starch-(meth)acrylate graft copolymer, oil-swellable material and oil and water-swellable material comprising the same, and sealing articles and packers prepared from said swellable material

Starch-(meth)actylate graft copolymer, oil-swellable material and oil-and water-swellable material comprising the same, and sealing articles and packers prepared from said swellable material

Starch-(meth)acrylate graft copolymer, oil-swellable material and oil and water-swellable material comprising the same, and sealing articles and packers prepared from said swellable material

Starch-(meth)acrylate graft copolymer, oil-swellable material and oil and water-swellable material comprising the same, and sealing articles and packers prepared from said swellable material

VERDICKER FÜR FARBSYSTEME

HIGHLY FLEXIBLE FILMS ON THE BASIS OF STRENGTH

Behälter zur Aufnahme von Gegenständen

Die Erfindung betrifft einen Behälter zur Aufnahme von Gegenständen, insbesondere von Lebensmitteln, wobei der Behälter einen Grundkörper (1) umfasst, wobei der Grundkörper (1) aus einem Basismaterial (2) gebildet ist, wobei das Basismaterial (2) eine formstabile Stärkepolymerstruktur aus temperaturbehandelten, vernetzten Stärkemolekülen umfasst, und wobei die Stärkepolymerstruktur durch ein Vernetzungsmittel quervernetzt ist. Ferner betrifft die Erfindung ein Verfahren zur Herstellung eines Behälters.

BIOLOGICALLY DEGRADABLE COMPOSITION WITH INCREASED WATER RESISTANCE AND MANUFACTURING PROCESS FOR IT

BARRIER FOIL

FOIL AND FOIL PRODUCTS OF STRENGTHENING OR AMYLOSE HYDROXYPROPYLETHERN

THERMOPLASTIC COMPOSITIONS FROM STRENGTH AND OTHER COMPONENTS OF NATURAL ORIGIN

ADHESIVE

An aqueous adhesive composition and a process for preparing such compositions are disclosed. The composition comprises macromolecular complex comprising (A) a first component comprising (i) a framework element and (ii) a polyphenol, and (B) second component comprising a polypeptide, oligopeptide, amino acid, or polyamine. The framework element comprises (a) a polypeptide, oligopeptide, amino acid, or polyamine, (b) a polysaccharide, oligosaccharide, or monosaccharide, or a saccharide conjugate, or (c) a lignin, a lignan or a lignin conjugate. The polyphenol comprises a tannin, a tannic acid, a flavonoid, or a poly-resorcinol. An adhesive precursor composition comprising the first component is also disclosed. 13302702_1 74 ...

Remoistening of thermally inhibited starch and/or flour

The invention relates to a process for the treatment of a raw material containing thermally inhibited starch and/or thermally inhibited flour as its largest constituent, whereby the moisture content of the raw material is at most 8 wt.%, comprising a remoistening step wherein between 0.1 and 30 wt.% of an aqueous phase is added to the raw material to form a product containing remoistened starch and/or remoistened flour.

Edible film having improved sealing properties

Thermoplastic compositions based on soluble starch and method for preparing such compositions

The subject matter of the present invention is a novel starch-based composition comprising: (a) at least 45% by weight of at least one soluble starch, (b) at most 55% by weight of at least one non-biodegradable, non-amylaceous polymer, and (c) a bonding agent carrying at least two functional groups capable of reacting with molecules carrying functions comprising an active hydrogen, these amounts being expressed with respect to solids and relative to the sum of (a) and (b). The present invention also relates to a method for preparing such a starch-based composition and to a thermoplastic composition prepared by heating such a composition.

A substantially completely biodegradable high starch polymer

Biopolymer compositions and products thereof

Water-resistant additives for gypsum wood fiber products

Abstract A gypsum wood fiber article containing wood fiber, gypsum and a wax emulsion comprising at least one wax, a C2 4 - C36 polymerized methylene coupled alkyl phenol, at least one surfactant, polynaphthalenesulfonic acid, an alkali metal hydroxide and water. There is also a method of making a gypsum wood article comprising the steps of: (a) mixing a slurry comprising a wood fibre; gypsum; and an emulsion comprising, the emulsion comprising at least one wax, a C2 4 - C36 polymerized methylene coupled alkyl phenol, at least one surfactant, polynaphthalenesulfonic acid, an alkali metal hydroxide; and water; (b) distributing the slurry onto a vacuum wire for formation of a mat; (c) partially drying the mat of step (b); (d) compressing the mat of step (c) through a series of vacuum belt rolls; and (e) drying the compressed mat of step (d) in an oven.

BIODEGRADABLE COMPOSITION HAVING IMPROVED WATER RESISTANCE AND PROCESS FOR PRODUCING SAME

Compositions comprising thermoplastic starch

Modified starch solutions and their use in personal care

Co-processed compositions useful as culinary thickeners

Sealing material which swells when treated with water

MODIFIED STARCH AND PROCESS THEREFOR

A process that can be used for producing a starch product is provided. The process comprises heating a composition, which comprises or consists essentially of a starch, a polyacrylamide, and a multivalent cation. The weight ratio of starch to polyacrylamide is greater than about 2 to 1. The process can also comprise heating a composition, which comprises or consists essentially of a starch and a polyacrylamide to produce a heated composition followed by contacting the heated composition with a multivalent cation. The heating can be carried out at a pH above 7.0 if the polyacrylamide is a cationic polyacrylamide or nonionic polyacrylamide and, if the starch is a cationic starch and the polyacrylamide is an amphoteric polyacrylamide or anionic polyacrylamide, the heating neutralizes less than 75% of the cationic starch.

PRODUCTION OF MICROCRYSTALLINE CELLULOSE

Microcrystalline cellulose is produced by subjecting to a high shear treatment, at elevated temperature and pressure, a reaction mixture of a cellulose material, an active oxygen compound and water, for a time effective to depolymerize the cellulose material. The mixture may be further depolymerized after the high shear treatment by holding it without cooling. A suitable active oxygen compound is hydrogen peroxide. An extruder is a typical high shear device.

CO-PROCESSED COMPOSITIONS USEFUL AS CULINARY THICKENERS

This invention relates to a thickening composition comprising a "co- processed" combination of modified starch and flour. In addition, the invention relates to the process for providing such "ready-for-use" compositions and the improved food products prepared from the co- processed compositions.

STARCH HYBRID POLYMERS

Film forming polymers derived substantially from biorenewable polysaccharides may be formed as the emulsion polymerization products of a blend of hydrophobic polysaccharides and ethylenically unsaturated monomers. The hydrophobic polysaccharides may be prepared as the emulsion reaction product of a water soluble polysaccharide and a monomer mixture of hydrophilic ethylenically unsaturated monomers and hydrophobic ethylenically unsaturated monomer, in the presence of a water soluble chain transfer agent.

HYDROXY-FUNCTIONAL POLYESTERS

The present invention provides thermoplastic hydroxy-functional polyesters. The polyesters have at least 10 sequential units, wherein the sequential units consist of units selected from units represented by the following formula (1) and units represented by the following formula (2); Wherein each of R1 independently represents hydrogen or a substituted or unsubstituted homoalkyl or heteroalkyl group ; each of R2 independently represents hydrogen or a substituted or unsubstituted homoalkyl or heteroalkyl group ; each of R3 independently represents hydrogen or a substituted or unsubstituted homoalkyl or heteroalkyl group ; Each of R4 independently represents a substituted or unsubstituted homoalkyl or heteroalkyl group ; and said moiety having no fewer than 1 unit represented by formula (1) and no fewer than 1 unit represented by formula (2). The present invention further provides processes for making hydroxyfunctional polyesters, such as polymerizing epoxidized fatty acids in the presence ...

A SUBSTANTIALLY COMPLETELY BIODEGRADABLE HIGH STARCH POLYMER

This invention is a substantially completely biodegradable high starch polymer using completely biodegradable high polymer polyvinyl alcohol [PVOH] that is made to be compatible with starch. The two ingredients are mixed with the optional addition of elasticity enhancer and supplement agent to better the stability and durability of the products. During the mixing and heating process the starch molecular structures are randomized. The randomized starch molecules, the PVOH, the elasticity enhancer and the supplement then under go the process of co-polymerization. The mixture is then extruded, at a temperature that is above the crystallization temperature of the starch molecules, to form the first stage product, the pellets. The pellets can then be extruded into films using a traditional plastic film extruder.

CLAY CONTROL ADDITIVE FOR WELLBORE FLUIDS

A clay control additive for wellbore fluids comprises a blended starch polymer solution comprising a quartemary amine-functionalized starch polymer. The polymer is preferably cationized to a degree of substitution of at least 0.30. The starches may be synthetic or blended from natural amylose cationic starches. In an embodiment, a further additive comprises cactus mucilage obtained from the Opuntia genus, which may be combined with the starch polymer in a 1 to 95% solution. In another embodiment, both the starch and the mucilage may be further combined with conventional additives (e.g., choline chloride) to further enhance the clay control properties.

MODIFIED STARCH AND PROCESS THEREFOR

A process that can be used for producing a starch product is provided. The process comprises heating a composition, which comprises or consists essentially of a starch, a polyacrylamide, and a multivalent cation. The weight ratio of starch to polyacrylamide is greater than about 2 to 1. The process can also comprise heating a composition, which comprises or consists essentially of a starch and a polyacrylamide to produce a heated composition followed by contacting the heated composition with a multivalent cation. The heating can be carried out at a pH above 7.0 if the polyacrylamide is a cationic polyacrylamide or nonionic polyacrylamide and, if the starch is a cationic starch and the polyacrylamide is an amphoteric polyacrylamide or anionic polyacrylamide, the heating neutralizes less than 75% of the cationic starch.

FORMALDEHYDE-FREE AQUEOUS BINDER COMPOSITION FOR MINERAL FIBERS

A formaldehyde-free aqueous binder composition comprises a binder component (A) obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride and, optionally, treating the reaction product with a base; and a binder component (B) which comprises at least one carbohydrate. The binder composition is particularly useful for bonding mineral fiber products.

POLYMER-ALDEHYDE BINDING SYSTEM FOR MANUFACTURE OF WOOD PRODUCTS

A formaldehyde-free curable aqueous composition containing a hydroxy-containing polymer, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition is used as a binder for lignocellulosic materials such as plywood, fiber particleboard, medium density fiberboard and oriented strand board.

STARCH-(METH)ACRYLATE GRAFT COPOLYMER, OIL-ABSORBING EXPANSION METERIAL AS WELL AS OIL AND WATER-ABSORBING EXPANSION METERIAL CONTAINING THE COPOLYMER, BOTH SEALER AND PACKER MADEOF THE METERIAL

LECITHIN-CONTAINING STARCH COMPOSITIONS, PREPARATION THEREOF AND PAPER PRODUCTS HAVING OIL AND GREASE RESISTANCE, AND/OR RELEASE PROPERTIES

The present disclosure relates to compositions consisting essentially of starch and lecithin. The disclosure also relates to processes for preparing the compositions consisting essentially of a starch and lecithin. Further, the disclosure relates to uses of compositions consisting essentially of starch and lecithin, or compositions comprising starch and lecithin, in the preparation of paper products that have oil and grease resistant properties, and/or release properties. Further, the disclosure relates to paper products that include lecithin-containing compositions and to paper products resulting from the processes herein.

FIBROUS ELEMENTS COMPRISING AN ACRYLAMIDE-BASED COPOLYMER AND FIBROUS STRUCTURES EMPLOYING SAME

Fibrous elements, for example filaments, containing an acrylamide-based copolymer, fibrous structures employing such fibrous elements, and methods for making same are provided.

A PACK FOR ANAEROBIC PRODUCTS

A pack comprising: a container, the container having a container body, and the container body being sufficiently oxygen permeable to prevent an anaerobically curable composition held therein from curing due to absence of oxygen; and an anaerobically curable composition held within the container. The container body is constructed from a plastics material which is formed from a blend of a thermoplastic starch component and a polyethylene.

STARCH FOR PULPY TEXTURES

The present invention relates to a pregelatinized starch having a Brabender hot paste viscosity (HPV) of at least 200 BU when measured at a pH of at most 4.5. The starch is used to provide a viscosity and pulpy texture to a food product and is resistant to processing under extreme conditions of heat, acidity and shear. Examples of food products which highly benefit from the properties of the starch include compotes; sauces and preparations based on tomatoes; meat sauces; gravies; baby foods; puddings; cereals; fruit-juices and fruit-drinks; fruit sauces such as apple sauce; confectionary such as textured gum drops; cookies, crackers, cakes and pastries comprising fruits; soups; and dry powdered mixes which may be reconstituted with water.

COMPOSITE MATERIAL COMPRISING AT LEAST ONE THERMOPLASTIC RESIN AND GRANULAR SHIVE FROM HEMP AND / OR FLAX

The present invention relates to a composite material comprising at least one thermoplastic resin and granular shive from hemp and/or flax. The invention further relates to a method for preparing the above-mentioned composite material and the use of the latter in the 3D printing technologies, namely the manufacture of three-dimensional objects by additive manufacturing, starting from a digital 3D model.

SOFT CAPSULE BASED ON STARCH AND A METHOD AND DEVICE FOR THE PRODUCTION THEREOF

A method for producing starch soft capsules comprises the following steps: preparing a mixture comprising starch, plasticizer and water, wherein more than 50 weight percent of the starch is present in the form of particles of granular starch; shaping the mixture to form a film in a shaping process; solidifying the mixture by increasing the temperature of the mixture during and/or after the shaping process by more than 5°C; and shaping the film to form a soft capsule. Soft capsules produced by this method have starch particles bonded to one another. A device for performing this method comprises a shaping device to enable shaping of the starch material to form a film, and a heating device to perform a heat treatment to destructure the starch during and/or after the shaping. It comprises a rotary die device.

SOFT CAPSULE BASED ON STARCH AND A METHOD AND DEVICE FOR THE PRODUCTION THEREOF

A method for producing soft capsules made of starch includes the following steps: producing a mixture containing starch, softener, and water, more than 50 percent by weight of the starch being provided in the form of granular starch particles; shaping the mixture into a film in a shaping process; solidifying the mixture by increasing the temperature of the mixture by more than 5°C during and/or following the shaping process; and shaping the film into a soft capsule. Soft capsules produced according to said method have interlinked starch particles. An apparatus for carrying out said method comprises a shaping device to allow the starch material to be shaped into a film, and a heating device for performing a thermal treatment in order to destructure the starch during and/or following the shaping process. The apparatus further comprises a rotary die device.

IMPROVED STARCH COMPOSITION FOR USE IN PAPER MANUFACTURE

The starch composition comprises a cationic, cross-linked starch that is partly swollen and partly gelatinized. It has a gelatinization coefficient gT smaller than 0.7 with T the jet cooking temperature. The starch composition suitably comprises a wheat starch or a blend of a wheat starch and another starch, for instance a root or tuber starch.

PACKAGED COMPOSITION FOR THE DELIVERY OF SAID COMPOSITION INTO AN AQUEOUS MEDIUM

PREPARATION PROCESS OF A SELF-REINFORCED STARCH COMPOSITE USED TO PRODUCE CAPSULES

The invention discloses a technical process to prepare a self-reinforced starch composite used to produce capsules. This composite is made by uniformly mixing the matrix phase and the particulate reinforced phase at a proper proportion, the former being one or a combination of the starches selected from the group consisting of oxidized starch, cationic starch and esterified starch ; and the latter, cross-linked starch or starch nanocrystals. This composite is processed into the forms of granules, films, or sheets by extrusion method and these different forms of the composite can be used to replace the gelatin as the raw material of capsules because its barrier property, processability, and mechanical properties are significantly improved.

BIODEGRADABLE COMPOSITIONS COMPRISING STARCH DERIVATIVES

... 2105479 9216583 PCTABS00016 There is provided a biodegradable composition as obtained from a melt comprising a plasticizer and at least one member selected from alkenol homopolymers and/or alkenol copolymers which are combined under conditions sufficient to ensure uniform melt formation, charaterized in that the composition includes a starch derivative. Said at least one member may be present in the composition at a concentration of from 10 to 200 parts per 100 parts of dry starch. The invention further relates to methods of making the composition, and to articles made from said composition.

Process and Apparatus for Producing Starch Melt and Products Obtainable by This Process

MELTPROCESSIBLE STARCH COMPOSITION, A PROCESS FOR THE PREPARATION THEREOF AND THE USE OF THE COMPOSITION

The invention concerns a biodegradable starch composition, a process for the preparation thereof, the use of the composition and a process for increasing the degradation rate of intermediate products manufactured from starch derivatives and/or products made therefrom under conditions of biodegradation. According to the invention the compositi on contains 5 to 99 wt-% of a plastisized starch derivative and 1 to 95 wt-% of a biodegradable fibrous material. The microstructure of the composition is discontinuous and formed by a phase containing the starch derivate and a phase containing the fibrous material and any porosity, and its impact strength is at least 10 % better than the corresponding values of a plastisized starch derivative. The composition may further contain 0.01 to 30 wt.% of a biodegradable polyester, such as polylactide, polycaprolactone or a cellulose ester. According to the invention, the biodegradable starch composition is prepared by esterification of starch with glycerol ...

HYDROXYALKYLATED STARCH ESTER AND PREPARATION AND USE THEREOF

The invention concerns a hydroxypropyl starch ester (HPS ester), composition containing it, and a process for the preparation thereof. According to the invention, the molar substitution in the HPS ester is 2 at the most and the substitution degree in the ester group is at least I. The HPS ester is prepared by hydroxypropylating a starch-containing base material in an aqueous alkanol medium. A starch component can be prepared of the HPS ester containing 90 to 60 % by weight HPS ester a nd 10 to 40 % by weight of a plasticizer. Compositions which are suited for, e.g., coating board or paper and for use as a componen t in labelling adhesives or paint, can be made from the starch component by combining it with auxiliaries known as such within the polymer and plastics technology.

Verfahren zur Herstellung hochpolymerer Farbstoffe

Formsandgemisch

Verfahren zur Herstellung hochpolymerer Farbstoffe

Film on basis of strength.

Die Erfindung bezieht sich auf ein neues Giessverfahren zur Herstellung von Stärke Filmen, auf die daraus erhaltenen Filme sowie deren Einsatz bzw. bei der Herstellung von Weichkapseln und die hierfür eingesetzte Vorrichtung zur Herstellung von Weichkapseln.

PROCÉDÉ DE FABRICATION D'UNE PAILLE JETABLE, ENTIÈREMENT BIODÉGRADABLE.

L'invention concerne un procédé de fabrication d'une paille jetable, entièrement biodégradable, Une poudre végétale naturelle est préparée. Un gel de konjac désacétylé est préparé. Un mélange amidon de taro - amidon de manioc est réticulé. La matière brute est agitée et mélangée pour obtenir la matière brute mélangée, et la matière brute mélangée est chauffée. La matière brute chauffée est adressée à une unité de fabrication de paille pour boissons pour obtenir un produit brut de paille. Le produit brut de paille est coupé pour obtenir plusieurs pailles. Le contrôle de la qualité, la désinfection et le conditionnement de la paille sont effectués, et la paille entièrement biodégradable est finalement obtenue.

PROCÉDÉ DE FABRICATION D'UN ARTICLE DE TABLE À BASE DE FIBRES VÉGÉTALES ET D'AMIDON, ENTIÈREMENT BIODÉGRADABLE.

La présente invention concerne un procédé de fabrication d'un article de table à base de fibres végétales et d'amidon, entièrement biodégradable, de faible coût. Une matière cellulosique végétale contenant des résidus de Scutellaria baicalensis est modifiée pour obtenir un produit d'extrusion. De la gomme de konjac est soumise à une pulvérisation et à une pulvérisation en particules ultrafines pour obtenir un liant colloïdal combiné à une gomme de konjac désacétylée. Le liant colloïdal est mélangé avec le produit d'extrusion pour obtenir un mélange. Le mélange est soumis à un moulage de mousse dans un moule de formage pour obtenir l'article de table à base de fibres végétales et d'amidon, entièrement biodégradable, de faible coût.

ПРИВИТОЙ СОПОЛИМЕР КРАХМАЛ-(МЕТ)АКРИЛАТ, НАБУХАЕМЫЙ В МАСЛЕ (НЕФТИ) МАТЕРИАЛ И НАБУХАЕМЫЙ В МАСЛЕ (НЕФТИ) И ВОДЕ МАТЕРИАЛ, ВКЛЮЧАЮЩИЙ В СЕБЯ ТАКОЙ СОПОЛИМЕР, И ГЕРМЕТИЗИРУЮЩИЕ ИЗДЕЛИЯ И УПЛОТНИТЕЛИ, ПОЛУЧЕННЫЕ ИЗ УКАЗАННОГО НАБУХАЕМОГО МАТЕРИАЛА

Настоящее изобретение относится к привитому сополимеру крахмал-(мет)акрилат и способу его получения. Привитой сополимер крахмал-(мет)акрилат получают сополимеризацией (мет)акрилатного мономера и крахмала при массовом отношении (0,4~8):1, причем привитой сополимер имеет скелет большой молекулы крахмала, на которую привит один или несколько (мет)акрилатных мономеров со степенью прививки не меньше чем 70%. Настоящее изобретение далее относится к набухаемому в масле (нефти) материалу, который включаег в себя указанный выше привитой сополимер крахмал-(мет)акрилат в качестве агента, вызывающего набухание, а также к набухаемому в масле (нефти) и воде материалу, который включает в себя указанный выше привитой сополимер крахмал-(мет)акрилат, абсорбирующий воду агент, реакционноспособный мономер, поверхностно-активное вещество и матрицу материала. Далее предложены также герметизирующие изделия и пакеры, полученные из указанного выше набухаемого в масле (нефти) материала и набухаемого в масле (нефти ...

БИОПОЛИМЕРНЫЕ КОМПОЗИЦИИ И ПРОДУКТЫ НА ИХ ОСНОВЕ

Изобретение относится к композициям на основе биополимеров и содержащим биополимер сформованным телом, таким как пленки, капсулы, пластинки, оболочки или покровные пленки или изготовленные из них спреи. В соответствии с другим вариантом осуществления, изобретение относится к способу получения исходного материала на основе биополимеров и сформованных тел, содержащих биополимер, как например, упомянутые выше, для производства фармацевтических, ветеринарных, пищевых и косметических продуктов.

ОТВЕРЖДАЕМАЯ ВОДНАЯ КОМПОЗИЦИЯ ДЛЯ СВЯЗЫВАНИЯ ЛИГНОЦЕЛЛЮЛОЗНОГО МАТЕРИАЛА, КОМПОЗИЦИОННЫЙ ПРОДУКТ, КОТОРЫЙ ВКЛЮЧАЕТ ЛИГНОЦЕЛЛЮЛОЗНЫЙ МАТЕРИАЛ, И СПОСОБ ОБРАЗОВАНИЯ КОМПОЗИЦИОННОГО ПРОДУКТА

Отверждаемая водная композиция, не содержащая формальдегид, соержит полимер, содержащий гидроксильные группы, полифункциональный сшивающий агент и, необязательно, катализатор. Композицию применяют как связующее вещество для лигноцеллюлозных материалов, таких как фанера, волокнистая древесностружечная плита, древесноволокнистая плита средней плотности и плита с ориентированными волокнами.

СУШКА БИОПОЛИМЕРНОГО МАТЕРИАЛА С ПОМОЩЬЮ ДОКРИТИЧЕСКОГО ГАЗА

Способ получения порошка обезвоженного биополимера включает последовательные стадии: a) получение осадка на фильтре, содержащего биополимерный материал и от 30 до 60 мас.% воды; b) контактирование указанного осадка на фильтре со сжатым газом для экстракции воды из осадка на фильтре, при этом указанный сжатый газ имеет параметры давления и температуры ниже критических параметров газа; c) отделение содержащего воду сжатого газа от обезвоженного осадка на фильтре и d) сбор порошка обезвоженного биополимера, где сжатый газ имеет давление по меньшей мере от 0,6 МПа (6 бар) и до 6 МПа (60 бар) и температуру от 10 до 40°С.

COMPOSITION AQUEOUS BINDER FOR MINERAL FIBERS, NOT CONTAINING FORMALDEHYDE

REPEATED MOISTENING OF STARCH AND/OR FLOUR, SUBJECTED TO CROSS-LINKING BY MEANS OF HEAT TREATMENT

SOLID AQUEOUS FREEZING INCLUDING/UNDERSTANDING ONE GELLING ABSORBENT AND A PARTICULAR POLYETHYLENEGLYCOL, COMPOSITION INCLUDING/UNDERSTANDING THIS FREEZING AND USES

THERMOPLASTIC COMPOSITIONS CONTAINING SOLUBLE AND PROCEEDED STARCH OF PREPARATION OF SUCH COMPOSITIONS.

Aqueous solid gel for use in make-up compositions for skin, mucous membranes and-or keratin fibers, comprises hydrophilic gelling agent and polyethylene glycol

La présente invention concerne un gel aqueux solide, comprenant i) au moins un gélifiant hydrophile et ii) au moins un polyéthylène glycol dont le nombre de moles d'oxyéthylène va de 12 à 180. Elle concerne également une composition solide, à phase continue aqueuse, comprenant ce gel. Cette composition peut être utilisée sous forme de stick ou de compact (waterpact) et peut constituer des produits de maquillage de la peau et/ ou des muqueuses et/ ou des fibres kératiniques. Elle présente une dureté permettant à la fois un bon délitage du produit et une bonne cohésion du stick. Cette composition peut être appliquée directement sur la peau ou à l'aide d'une éponge et apporte une grande fraîcheur à l'application.

POLYVINYLAMINES MIXTURES AND COMPOSITIONS OF MATTER-STARCH CATIONIC LIQUID AS AGENTS FOR IMPROVING THE DRY STRENGTH PAPERS AND CARDBOARDS

La présente invention concerne des mélanges de polyvinylamines et de compositions de matières amylacées cationiques liquides ayant des caractéristiques très particulières de matière sèche, de viscosité, de taux d'azote et de pH. A travers cette sélection, on parvient à fabriquer des préparations qui s'avèrent particulièrement efficaces pour augmenter la résistance à sec de papiers ou de cartons. L'invention concerne aussi l'utilisation de tels mélanges pour fabriquer des papiers et des cartons, le procédé de fabrication correspondant, et les papiers et cartons ainsi obtenus.

Adhesive useful in vehicle window installation

기재상의 얼음 축적을 경감하는 방법

... 본 발명은, 이소시아네이트-작용성 경화제, 이소시아네이트와 반응하는 작용기를 가진 필름-형성 조성물, 폴리실록산 측쇄를 갖는 아크릴 중합체, 및 폴리실록산을 포함하는 경화가능한 필름-형성 조성물을 기재에 도포하는 것을 포함하는, 기재상의 얼음 축적(ice build-up)을 경감하는 방법에 관한 것이다.

Biodegradable Thermoplastic compositions

Composiciones termoplásticas biodegradables que comprenden un componente de almidón, un éster o éter de celulosa, un plastificante para la fase de almidóny de la celulosa y derivados, y un agente compatibilizante seleccionado entre los polímerosco mpatible con el componente de celulosa y/o componente dealmidón, injertados con cadenas alifáticas o polihidroxiladas; copolímeros obtenidos de hidroxiácidos y/o diaminas con 2-24C y diisocianatos alifáticos oaromáticos; copolímerosobtenidos de poliésteres alifáticos, poliureas y polialquilenglicoles y diisocianatos alifáticos o aromáticos; copolímerosobtenidos de polímeros compatibles con ésteres o éteres de celulosa y/o el componente de almidón injertandopolioles solubles en almidón; polímeroscapaces de formar complejo con almidón; polioles compatibles con almidón.

Produção de celulose microcristalina

Processo para a preparação de uma composição pulverulenta de hidrocolóide(s), composição pulverulenta de hidrocolóide(s), e, utilização de um pó de reticulação potencialmente reativo e de uma composição pulverulenta de hidrocolóide(s)

polímero híbridos de amido

POLYSACCHARIDE-BASED PRODUCTS WITH IMPROVED EASINESS OF USE, PROCESS TO MAKE THE SAME, AND APPLICATIONS OF THE SAME

This invention relates to water-soluble polysaccharide-based products that require less time and effort to incorporate into aqueous formulations, compared to existing polysaccharide products. This invention can be applied more particularly to cationic guar products to be used in cosmetic compositions. The product is in the form of granules and comprises a binding and/or dispersing agent and/or wetting agent.

GYPSUM BASED FORMULATIONS

Gypsum based formulations The formulation for making plasterboard with paper cover sheets comprises finely divided gypsum, a minor amount by weight of starch and, as crosslinking agent for the starch, a tri-functional reactive s-triazine having substituents at positions 2, 4 and 6 of the triazine ring which are reactive with the starch. A preferred crosslinking agent is 2,4,6-trichloro–s-triazine, which is preferably partially reacted with the starch before further reaction with the paper cover sheets for the plaster board..

CATIONIC CROSSLINKED STARCH CONTAINING COMPOSITIONS AND USE THEREOF

There is disclosed a composition comprising at least one cationic crosslinked starch and an organic or inorganic component or a mixture thereof. Included within the organic compounds are any functionalized organic compound such as a polymerizable organic compound, a non-polymerizable organic compound, an organic polymer, or a mixture thereof. Included within the inorganic components are inorganic metals, or inorganic compounds. The compositions are suitable for various applications such as cellulosic products, coatings, paints, and the like. Also disclosed are processes for producing the compositions.

COEXTRUSION BINDERS ON A RENEWABLE/BIODEGRADABLE BASIS

The invention relates to coextrusion binders including renewable and/or biodegradable polymers having good adhesion properties: at least one renewable and/or biodegradable polymer (A) grafted with a functional monomer including at least one reactive function, the grafting ratio being < 1% in weight of the grafted polymer (A); at least one non-grafted renewable and/or biodegradable polymer (B) identical to (A) or compatible with (A) optionally a softener (C); and optionally a starch-based material (D). The invention also relates to multilayered structures including the binder of the present invention, in which the layers are preferably made of renewable and/or biodegradable compounds. The multilayered structures are advantageously useful in the field of food packaging.

AQUEOUS SOLID GEL COMPRISING A HYDROPHILIC GELLING AGENT AND A PARTICULAR POLYETHYLENE GLYCOL, COMPOSITION COMPRISING SAME AND USES

La présente invention concerne un gel aqueux solide, comprenant (i) au moins un gélifiant hydrophile et (ii) au moins un polyéthylène glycol dont le moles d'oxyéthylène va de 12 à 180. Elle concerne également une composition solide, à phase continue aqueuse, comprenant ce gel. Cette composition peut être utilisée sous forme de stick ou de compact (waterpact) et peut constituer des produits de maquillage de la peau et/ou des muqueuses et/ou des fibres kératiniques. Elle présente une dureté permettant à la fois un bon délitage du produit et une bonne cohésion du stick. Cette composition peut être appliquée directement sur la peau ou à l'aide d'une éponge et apporte une grande fraîcheur à l'application.

DISASEMBLE RESIN AND THE MANUFACTURING METHOD FOR THEREOF

This invention is about a method of resin manufacturing and a resin which is decomposed in a short time by several kinds of microorganisms, a decomposable resin under this invention composes with carbohydrate polymer 20∼64.5 wt % which has branch structures of amylose or amylopectin; hydrophilic resin 20∼40 wt % which was mixed one or more than two of polyvinylalcohol, polyacrylic acid, polyethyleneacrylic acid; lublicant 5∼20 wt % and thermoplastic resin 10∼30 wt % and metal soap 0.5∼5 wt % as stabilizer. Effects of the resin mixed under the above ratio are that the manufacturing method is simple and the cost of manufacturing is down, therefore, the consumer can get the cheaper one, furthermore this resin can be used for ordinary purposes as well as special purposes.

BIODEGRADABLE HOT-MELT ADHESIVE

The invention relates to an adhesive composition based on polymers or polymer blends consisting of caprolactone copolymers or caprolactone copolymers and polycaprolactone, wherein the composition is biodegradable or resorbable and has a melting point ranging between 57 and 100 °C. The invention also relates to the utilization of said composition as hot-melt adhesive for temporarily gluing together biological tissue and other materials in medicine.

Hydrophobic starch having near-neutral dry product pH

A free-flowing, hydrophobic starch composition has a near-neutral dry product pH. Methods for making the hydrophobic starch composition by preparing an aqueous mixture comprising a starch, a siliconate, and an acid, where the aqueous mixture has a near-neutral pH, and drying the starch solids to obtain a hydrophobic starch. Novel fuel compositions comprise hydrophobic starch which can be used in internal combustion engines, such as diesel engines. Hydrophobic starch compositions may be used as fuels or fuel components. Novel methods of fueling and operating internal combustion engines use hydrophobic starch as fuel or fuel components.

Highly flexible starch-based films

Film-forming compositions are disclosed that can comprise, on a dry solids basis, 25 to 75 percent by weight of certain starch derivatives and 25 to 75% primary external plasticizer. The starch derivatives can be chemically modified starches that range in molecular weight from 100,000 to 2,000,000. The high levels of plasticizer in the films give excellent film flexibility and integrity. The films are also resistant to penetration by water, oil and/or grease.

Modified starch material of biocompatible hemostasis

A modified starch material for biocompatible hemostasis, biocompatible adhesion prevention, tissue healing promotion, absorbable surgical wound sealing and tissue bonding, when applied as a biocompatible modified starch to the tissue of animals. The modified starch material produces hemostasis, reduces bleeding of the wound, extravasation of blood and tissue exudation, preserves the wound surface or the wound in relative wetness or dryness, inhibits the growth of bacteria and inflammatory response, minimizes tissue inflammation, and relieves patient pain. Any excess modified starch not involved in hemostatic activity is readily dissolved and rinsed away through saline irrigation during operation. After treatment of surgical wounds, combat wounds, trauma and emergency wounds, the modified starch hemostatic material is rapidly absorbed by the body without the complications associated with gauze and bandage removal.

CURABLE FIBERGLASS BINDER

A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products.

REMOISTENING OF THERMALLY INHIBITED STARCH AND/OR FLOUR

Disclosed is a process for the treatment of a raw material containing thermally inhibited starch and/or thermally inhibited flour as its largest constituent, whereby the moisture content of the raw material is at most 8 wt. %, including a remoistening step wherein between 0.1 and 30 wt. % of an aqueous phase is added to the raw material to form a product containing remoistened starch and/or remoistened flour.

CATIONIC CROSSLINKED STARCH CONTAINING COMPOSITIONS AND USE THEREOF

Adhesive system and method of producting a wood based product

The invention relates to an adhesive system comprising a protein; a polymer comprising at least one carboxylic group or at least one carboxylic anhydride group, or a combination thereof, with the proviso that said polymer does not contain 5 to 90 wt-% of vinyl pivalate units in combination with 0.2 to 15 wt-% of primary hydroxyl group-containing vinyl compound units, and a polyamine-epihalohydrin. The invention further relates to the use of the adhesive system, an adhesive composition, a method of producing a wood based product and a wood based product.

Curable biopolymer nanoparticle latex binder for mineral, natural organic, or synthetic fiber products and non-woven mats

A curable aqueous binder composition includes a dispersion of biopolymer particles, optionally with and an inter-particle crosslinking agent, for use in the formation of composite materials such as mineral, natural organic, or synthetic fiber products, including mineral fiber insulation, non-woven mats, fiberglass insulation and related glass fiber products, and wood based products, and construction materials. In an application of the curable aqueous composition to making fiberglass insulation, the composition may be blended with a second resin which may be a non-formaldehyde resin. In an application of the composition to making fiberglass roofing shingles, the biopolymer particles may be mixed into a formaldehyde based resin during or after the polymerization of the resin.

STARCH-BASED COMPOSITIONS FOR LATEX REPLACEMENT

A method for producing starch-based compositions, and the composition produced therewith, for use as latex substitutes for full or partial latex replacement in applications such as carpet backing. 117.-. (canceled)18. A process for the production of a starch-based composition , the process comprising:a) providing a starch product, wherein the starch product is a cold water soluble starch product;b) reacting the starch product with a stabilizing agent;c) neutralizing the stabilized starch product; andd) functionalizing the starch product obtained in step (c).19. The process of claim 18 , wherein the starch product is selected from the group consisting of starch claim 18 , starch derivatives claim 18 , and mixtures thereof.20. The process of claim 18 , wherein the stabilizing agent is selected from the group consisting of an unsaturated organic compound with two or more hydrophilic polar groups claim 18 , precursors of the unsaturated organic compound claim 18 , oligomers based on the unsaturated compound claim 18 , and mixtures thereof.21. The process of claim 18 , wherein the stabilizing agent is itaconic acid.22. The process of claim 18 , wherein the stabilizing agent is used in an amount of 0.5 to 10% by weight based on the total dry weight of the starch product.23. The process of claim 18 , wherein step (b) further comprises reacting the starch product with an initiator.24. The process of claim 23 , wherein the initiator is a persulfate.25. The process of claim 18 , wherein functionalizing comprises reacting the starch product obtained in step (c) with a reagent selected from the group consisting of a wet strength agent claim 18 , a plasticizer claim 18 , and mixtures thereof.26. The process of claim 18 , further comprising thinning the starch product prior to step (c).27. The starch-based composition obtained by the process of .28. A binder composition comprising:{'claim-ref': {'@idref': 'CLM-00027', 'claim 27'}, 'the composition of ; and, optionally,'}latex.29. ...

Modified starch material of biocompatible hemostasis

A modified starch material for biocompatible hemostasis, biocompatible adhesion prevention, tissue healing promotion, absorbable surgical wound sealing and tissue bonding, when applied as a biocompatible modified starch to the tissue of animals. The modified starch material produces hemostasis, reduces bleeding of the wound, extravasation of blood and tissue exudation, preserves the wound surface or the wound in relative wetness or dryness, inhibits the growth of bacteria and inflammatory response, minimizes tissue inflammation, and relieves patient pain. Any excess modified starch not involved in hemostatic activity is readily dissolved and rinsed away through saline irrigation during operation. After treatment of surgical wounds, combat wounds, trauma and emergency wounds, the modified starch hemostatic material is rapidly absorbed by the body without the complications associated with gauze and bandage removal.

STARCH-BASED THERMOPLASTIC COMPOSITES

In an embodiment, a starch-based thermoplastic composite is provided. The starch-based thermoplastic composite includes enzyme-degraded thermoplastic starch (TPS) having a debranching rate of 40-90%, polycarbonate (PC) and acrylonitrile butadiene styrene (ABS), wherein the polycarbonate (PC) has a weight ratio of 15-60% in the starch-based thermoplastic composite. The starch-based thermoplastic composite further includes an impact modifier and a compatibilizer. 1. A starch-based thermoplastic composite , comprising:enzyme-degraded thermoplastic starch (TPS) having a debranching rate of 40-90%;polycarbonate (PC), wherein the polycarbonate (PC) has a weight ratio of 15-60% in the starch-based thermoplastic composite; andacrylonitrile butadiene styrene (ABS).2. The starch-based thermoplastic composite as claimed in claim 1 , wherein the enzyme-degraded thermoplastic starch (TPS) has a debranching rate of 40-60%.3. The starch-based thermoplastic composite as claimed in claim 1 , wherein the enzyme-degraded thermoplastic starch (TPS) has a weight ratio of 10-70% in the starch-based thermoplastic composite.4. The starch-based thermoplastic composite as claimed in claim 1 , wherein the enzyme-degraded thermoplastic starch (TPS) has a weight ratio of 10-35% in the starch-based thermoplastic composite.5. The starch-based thermoplastic composite as claimed in claim 1 , wherein 95% of the enzyme-degraded thermoplastic starch (TPS) has a particle size less than 1.5 μm.6. The starch-based thermoplastic composite as claimed in claim 1 , wherein the polycarbonate (PC) has a weight ratio of 30-45% in the starch-based thermoplastic composite.7. The starch-based thermoplastic composite as claimed in claim 1 , wherein the acrylonitrile butadiene styrene (ABS) has a weight ratio of 15-60% in the starch-based thermoplastic composite.8. The starch-based thermoplastic composite as claimed in claim 1 , wherein the acrylonitrile butadiene styrene (ABS) has a weight ratio of 30-45% in the ...

Water-Sensitive Biodegradable Film

A film that is biodegradable and water-sensitive (e.g., water-soluble, water-dispersible, etc.) in that it loses its integrity over time in the presence of water is provided. More specifically, the film contains a combination of a biodegradable polyester and a water-sensitive thermoplastic starch. The desired water-sensitive attributes of film may be achieved in the present invention by selectively controlling a variety of aspects of the film construction, such as the nature of the components employed, the relative amount of each component, the manner in which the film is formed, and so forth. 1. A water-sensitive biodegradable film , the film comprising:from about 1 wt. % to about 20 wt. % of at least one biodegradable polyester, wherein the biodegradable polyester includes at least one biodegradable aliphatic-aromatic copolyester that has a melting point of from about 50° C. to about 180° C. and a glass transition temperature of about 0° C. or less; andfrom about 60 wt. % to about 99 wt. % of at least one water-sensitive thermoplastic starch component, wherein the thermoplastic starch component comprises from about 60 wt. % to about 80 wt. % of at least one water-soluble, chemically modified starch, from about 0.5 wt. % to about 4 wt. % of at least one surfactant, and from about 20 wt. % to about 40 wt. % of at least one plasticizer, wherein the water-soluble chemically modified starch comprises a starch ester, a hydroxyalkyl starch, or a combination thereof;wherein the film has a thickness of about 50 micrometers or less and exhibits visible disintegration when sloshed in tap water for 30 seconds at a frequency of 3.5 sloshes per second, the film further exhibiting a dry ultimate tensile strength of from about 20 to about 50 Megapascals in the machine direction and a dry modulus of elasticity of from about 400 to about 1000 Megapascals in the machine direction.24-. (canceled)5. The water-sensitive biodegradable film of claim 1 , wherein the biodegradable ...

Methods and compositions for the treatment and recovery of purge solvent

The present disclosure relates to purge fluids, methods of using the purge fluids, and systems to be used for recycling the purge fluids. In some aspects, the purge fluid may be used to clean or purge an automated spray coating apparatus, such as a paint gun. The purge fluid may include a solvent and water. After the purge fluid is utilized for purging or cleaning certain system components, the purge fluid may be treated, subjected to a liquid-solid separation technique, and reused as a purge fluid.

Biodegradable material

A thermoplastic, biodegradable polymer blend showing high surface energy and good adhesion without the need for pre-treatment consists of starch in the range 10% to 60% by weight of the polymer blend, one or more further carrier polymers in the range 40% to 90% by weight of the polymer blend and one or more process aids in the range 0% to 0.5% by weight of the polymer blend. The polymer blends typically have a surface energy after processing of at least 40 mN/m.

A conductive elastomer, preparation method and use thereof

A preparation method of a conductive elastomer includes the following steps: (1) according to the mass percent of 20˜75%, dissolving the metallic salts into deionized water to form an electrolyte solution, wherein said metallic salts is either of magnesium nitrate, sodium nitrate, zinc nitrate, cesium nitrate, calcium nitrate, neodymium nitrate, aluminum nitrate, potassium nitrate, potassium chloride, magnesium chloride, calcium chloride, sodium chloride, zinc chloride, cesium chloride, aluminum chloride or their combinations; (2) according to the mass percent of 10˜40%, mixing starches into the electrolyte solution prepared in step (1), then at the temperature of 33˜120 ° C., stirring to gelatinize the starches, forming a viscous liquid; (3) standing the viscous liquid obtained in step (2) at 25˜90° C. for 10 min to 48 h to obtain the conductive elastomer.

Rheology Modifiers

Polysaccharide alkali swellable rheology modifiers include an emulsion polymer including at least one polysaccharide portion and at least one synthetic portion wherein the at least one synthetic portion is obtained from at least one anionic ethylenically unsaturated monomer, at least one nonionic ethylenically unsaturated monomer or a combination thereof, wherein at least one of the nonionic ethylenically unsaturated monomers is a hydrophobic ethylenically unsaturated monomer, as well as methods of making polysaccharide alkali swellable rheology modifiers.

PROCESS FOR MANUFACTURING A SURFACE-TREATED COMPACTED MATERIAL PROCESSABLE ON A SINGLE SCREW PLASTICS CONVERSION EQUIPMENT

The present invention relates to the field of processing thermoplastic polymers, particularly the present invention relates to a process for manufacturing compacted material suitable for the use in thermoplastic polymers without a compounding step, comprising the steps of a) providing at least one primary powder material; b) providing at least one molten surface treatment polymer; c) simultaneously or subsequently feeding the at least one primary powder material and the at least one molten surface treatment polymer into the high speed mixer unit of a cylindrical treatment chamber; d) mixing the at least one primary powder material and the at least one molten surface treatment polymer in the high speed mixer, e) transferring the mixed material obtained from step d) to a cooling unit, as well as the compacted material obtained by this process and its use in thermoplastic polymers. 1. A surface-treated compacted material obtained by a process comprising the following steps:a) providing at least one primary powder material;b) providing at least one molten surface treatment polymer;c) simultaneously or subsequently feeding the at least one primary powder material and the at least one molten surface treatment polymer into the high speed mixer unit of a cylindrical treatment chamber;d) mixing the at least one primary powder material and the at least one molten surface treatment polymer in the high speed mixer; ande) transferring the mixed material obtained from step d) to a cooling unit.2. The surface-treated compacted material according to claim 1 , that is completely redispersible in thermoplastic polymer matrices without compounding step.3. The surface-treated compacted material according to claim 1 , that is non-dusting.4. The surface-treated compacted material according to claim 1 , wherein at least one surface treatment agent is fed simultaneously with or after the feeding of the at least one primary powder material into the high speed mixer unit of a cylindrical ...

Microspheres of Hydrolysed Starch with Endogenous, Charged Ligands

The resent invention relates to biodegradable microspheres having a diameter of 1-2000 μm comprising cross-linked hydrolysed starch onto which at least one type of ligand has been coupled via a carboxylic ester bond. The ligand shall be an endogenous, charged molecule with a molecular mass of less than 1000 Da comprising at least one additional carboxylic acid function in addition to the one utilised for coupling the ligand to the micro-sphere and/or at least one amine function. On average 0.05-1.5 ligands are coupled to each glucose moiety in the hydrolysed starch. 120.-. (canceled)21. A method for carrying out hemostasis comprising the step of administering an effective amount of a biodegradable microsphere having a diameter of 10 to 2000 μm comprising cross-linked hydrolysed starch onto which at least one type of ligand , selected from the group consisting of amino acids and nitrogen containing organic acids , has been coupled via a carboxylic ester bond formed between the carboxylic acid group of the ligand and a hydroxyl group of a glucose residue in the cross-linked hydrolysed starch , wherein said ligand is an endogenous , charged molecule with a molecular mass of less than 1000 Da comprising at least one additional amine function , said ligand being positively charged or zwitter ionic , and wherein on average 0.05 to 1.5 ligands have been coupled to each glucose moiety in the hydrolysed starch , to a mammal suffering from a bleeding wound , thereby carrying out hemostasis.22. A microsphere according to claim 21 , wherein said ligand is positively charged.23. A microsphere according to claim 22 , wherein the ligand has a physiologically active counter ion.24. The method according to claim 21 , wherein the microsphere has a mean diameter of 10 to 200 μm.25. The method according to claim 24 , wherein the ligand has a physiologically active counter ion claim 24 , the counter ion being ellagic acid.26. The method according to claim 21 , wherein the ligand is an ...

Method for producing low-cost fully biodegradable disposable straw

A method for producing a low-cost fully biodegradable disposable straw. Natural plant powder is prepared. Deacetylated konjac gel is prepared. The taro starch-cassava starch is crosslinked. The raw material is stirred and mixed to obtain the mixed raw material, and the mixed raw material is heated. The heated raw material is added to the beverage straw manufacturing unit to obtain a straw crude. The straw crude is cut to obtain several straws. The quality inspection, the disinfection and the packaging of the straw are carried out, and the fully biodegradable straw is obtained, finally.

HIGH TEMPERATURE TOLERANT, MODIFIED CATIONIC STARCH-BASED ADDITIVES FOR WATER CLARIFICATION

The present disclosure is directed to additives comprising modified cationic starches that may be applied to a production fluid at high temperatures, such as temperatures ranging from about 80° C. to about 300° C., for separating water from an emulsion in the production fluid. 1. A method for separating water from an emulsion comprising hydrocarbons and water , the method comprising: introducing an additive into a fluid containing the emulsion , the additive comprising an effective amount of a modified cationic starch to separate at least a portion of the water from the emulsion , wherein the temperature of the fluid or the additive ranges from about 80° C. to about 300° C.2. The method of claim 1 , wherein the fluid is a production fluid selected from the group consisting of a hydrocarbon stream claim 1 , an aqueous stream claim 1 , and combinations thereof.3. The method of claim 1 , wherein the additive further comprises a water clarifier compound.4. The method of claim 3 , wherein the water clarifier compound is selected from a group consisting of polycondensate based on N claim 3 ,N′-bis[3-(dimethylamino)propyl]urea claim 3 , polyacrylate copolymers claim 3 , polyacrylamide copolymers claim 3 , poly(acrylate/acrylamide) copolymers claim 3 , polycondensate based on alkanolamines claim 3 , and combinations thereof.5. The method of claim 1 , wherein the modified cationic starch is derived from a starch selected from a group consisting of corn starches claim 1 , potato starches claim 1 , tapioca starches claim 1 , sago starches claim 1 , rice starches claim 1 , wheat starches claim 1 , waxy maize starches claim 1 , grain sorghum starches claim 1 , grain starches claim 1 , plant starches claim 1 , carbohydrates claim 1 , lignin claim 1 , polysaccharides claim 1 , and combinations thereof.6. The method of claim 1 , wherein the modified cationic starch is a quaternary ammonium cation starch. The method of claim 1 , wherein the additive comprises 36 wt. % to about 95 wt ...

MOLDED ARTICLE COMPRISING POLYSACCHARIDE

Molded articles are disclosed herein, the molded article comprising a polysaccharide, wherein the polysaccharide comprises i) poly alpha-1,3-glucan; ii) poly alpha-1,3-1,6-glucan; iii) a graft copolymer that comprises (A) a backbone comprising dextran with a weight-average molecular weight (Mw) of at least about 100000 Daltons, and (B) poly alpha-1,3-glucan side chains comprising at least about 95% alpha-1,3-glucosidic linkages; or iv) a composition comprising a poly alpha-1,3-glucan ester compound as disclosed herein. Optionally, the molded articles can further comprise a plasticizer and/or starch. The molded articles can be useful as a container, a handle, packaging, a tray, a bottle, a cup, a sheet, a disposable food packaging item, an automotive part, a casing for an electronic device, or a toy. 2. The molded article of claim 1 , wherein the polysaccharide comprises poly alpha-1 claim 1 ,3-glucan.3. The molded article of claim 1 , wherein the polysaccharide comprises poly alpha-1 claim 1 ,3-1 claim 1 ,6-glucan.4. The molded article of claim 1 , wherein the polysaccharide comprises a graft copolymer that comprises:(A) a backbone comprising dextran with a weight-average molecular weight (Mw) of at least about 100000 Daltons, and(B) poly alpha-1,3-glucan side chains comprising at least about 95% alpha-1,3-glucosidic linkages.6. The molded article of claim 1 , wherein the article comprises from about 60 weight percent to about 100 weight percent polysaccharide claim 1 , based on the total weight of the article.7. The molded article of claim 1 , further comprising starch.8. The molded article of claim 1 , further comprising a plasticizer.9. The molded article of claim 8 , wherein the article comprises from about 1 weight percent to about 60 weight percent plasticizer claim 8 , based on the total weight of the article.10. The molded article of claim 8 , wherein the plasticizer comprises fructose claim 8 , sorbitol claim 8 , sucrose claim 8 , glycerol claim 8 , ...

Biopolymer blends as emulsion stabilizers

An emulsion stabilizer includes a biopolymer blend of one or more cellulose ether and one or more cross-linked, modified starch wherein one or more of the cellulose ether or the cross-linked, modified starch is hydrophobically modified and wherein the total amount of cellulose ethers in the biopolymer blend is not greater than 50 wt %. The invention further relates to emulsion compositions comprising the emulsion stabilizer, and particularly oil-in-water emulsions. In one embodiment the emulsions are suitable for use in personal care formulations.

STARCH COMPOSITION

The present invention relates to an aqueous composition of dissolved starch, use of it and compositions comprising the same. The composition has good handling properties and viscosity stability also in elevated starch concentrations. 2. The composition of claim 1 , wherein said composition is substantially homogeneous.3. The composition of claim 1 , wherein the cationic starch has a viscosity of 500-2000 mPas claim 1 , preferably of 500-1500 mPas claim 1 , as measured at 25° C. from 12 weight-% aqueous solution using Brookfield LV-DV1 viscometer.4. The composition of claim 1 , wherein the composition comprises 12 to 30 weight-% of the dissolved cationic starch.5. The composition of claim 1 , wherein the starch has a charge density of 0.1 to 1.0 meq/g (dry solids) claim 1 , preferably 0.2 to 0.8 meq/g (dry solids) claim 1 , measured at pH 7.6. The composition of claim 1 , wherein the cationic starch has an amylopectin content of at least 95 weight-% claim 1 , preferably at least 98 weight-% claim 1 , of dry starch.7. The composition of claim 1 , wherein the cationic starch is cationic waxy starch.8. The composition of claim 1 , wherein the composition has a viscosity of 1000 to 12 000 mPas claim 1 , or 2000 to 10 000 mPas claim 1 , as measured at 25° C. using Brookfield LV-DV1 viscometer.9. The composition of claim 1 , wherein the viscosity of the composition after storage of at least 40 days or at least 60 days claim 1 , preferably of at least 90 days claim 1 , more preferably of at least 120 days claim 1 , at a temperature of 25° C. claim 1 , differs at most 30% claim 1 , preferably at most 20% claim 1 , more preferably at most 15% claim 1 , from day 0 viscosity of the composition claim 1 , as measured at 25° C. using Brookfield LV-DV1 viscometer.10. The composition of claim 1 , wherein the viscosity of the composition after storage of 10 days or of 20 days claim 1 , preferably of 30 days claim 1 , more preferably of 60 days claim 1 , at a temperature of 5° C. ...

AQUEOUS POLYMER DISPERSION FOR PAPER WITH A COPOLYMER OF VINYL ACETATE AND AN ACRYLATE MONOMER PREPARED IN THE PRESENCE OF A STARCH DERIVATIVE

The invention relates to an aqueous dispersion of a polymer P, which comprises the emulsion polymerization of vinyl acetate, an acrylate monomer, which is a C-Calkyl acrylate or a C-Cmethacrylate, an α,β-ethlyenically unsaturated C-Ccarboxylic acid and at least one out of glycidyl methacrylate, glycidyl acrylate, allyl methacrylate and allyl acrylate, in the presence of a starch derivative. Optionally, an additional monomer is an ethylenically unsaturated sulfonic acid, an ethylenically unsaturated other monomer or both of them. The aqueous polymer dispersion and a powder form thereof are useful for a paper coating slip containing one of the aforementioned forms. A paper or a cardboard, which is coated with the paper coating slip, shows surface strength, which is expressed by a good dry pick resistance, a good wet pick resistance or good offset test results. The aqueous polymer dispersion or the powder form thereof is furthermore useful as a binder. 1: A paper coating slip , comprising:an inorganic pigment; andan aqueous dispersion comprising a polymer P, which is obtained by a process comprising:emulsifying a mixture comprising monomers in an aqueous medium, andpolymerizing the monomers in the presence of a free-radical initiator and a starch derivative,wherein the monomer mixture consists of:vinyl acetate, as a monomer (a),{'sub': 1', '10', '1', '10, 'at least one acrylate monomer, which is selected from the group consisting of a C-Calkyl acrylate and a C-Calkyl methacrylate, as a monomer (b),'}{'sub': 3', '6, 'at least one α,β-ethylenically unsaturated C-Ccarboxylic acid, as a monomer (c),'}at least one monomer selected from the group consisting of glycidyl methacrylate, glycidyl acrylate, allyl methacrylate and allyl acrylate, as a monomer (d),optionally at least one ethylenically unsaturated sulfonic acid, as a monomer (e), andoptionally at least one ethylenically unsaturated other monomer, which is different from the monomers (a), (b), (c), (d) and (e), as a ...

Play Modeling Dough

The present invention is directed toward a play composition including a polymeric binder and oil. In an embodiment, the binder is a hydrogenated triblock copolymer including styrene. The oil is a mineral oil. The composition may further include a plasticizer, a release agent, and one or more fillers. 1. A moldable dough composition resistant to drying , the composition including:a binder comprising an A-B-A triblock copolymer;at least one filler material selected from the group consisting of starch, modified starch, plastic microspheres, flour, diatomaceous earth, and mixtures thereof; andan oil.2. The dough composition of claim 1 , wherein the at least one filler material comprises at least one of starch claim 1 , modified starch claim 1 , and flour.3. The dough composition of claim 1 , wherein the block copolymer binder is a styrenic block copolymer.4. The dough composition of claim 3 , wherein the block copolymer binder possesses a styrene content of about 35% or less.5. The dough composition of claim 4 , wherein the block copolymer binder is selected from the group consisting of a styrene-(ethylene/butylene)-styrene copolymer claim 4 , a styrene-(ethylene-ethylene/propylene)-styrene copolymer claim 4 , and a styrene-(ethylene/propylene)-styrene copolymer.6. The dough composition of claim 1 , wherein the block copolymer binder is a styrene-(ethylene-ethylene/propylene)-styrene thermoplastic copolymer having styrene content of about 30 wt %7. The dough composition of claim 1 , wherein the block copolymer binder is a styrene-(ethylene/propylene)-styrene thermoplastic copolymer having a styrene content of about 10-15 wt %8. The dough composition of claim 1 , wherein claim 1 , binder is present in the composition in an amount of about 2 wt % to about 60 wt %.9. The dough composition of claim 1 , wherein the binder is present in the composition in an amount of about 3 wt % to about 15 wt %.10. The dough composition of claim 1 , wherein the binder is present in the ...

OLIGOSACCHARIDE CONJUGATES FOR TARGETING BACTERIA AND USES RELATED THERETO

This disclosure relates to conjugates for targeting bacteria and related uses. In certain embodiments, the disclosure relates to methods of transferring a molecule of interest into bacteria comprising mixing bacteria with a non-naturally occurring conjugate under conditions such that the conjugate is transported across the bacterial cell wall. Typically, the conjugate comprises an oligosaccharide and a molecule of interest. In certain embodiments, the molecule of interest may be a tracer or an antibiotic. 116-. (canceled)17. An imaging method comprising a) administering a tracer molecule conjugated to an oligosaccharide to a subject; and b) scanning the subject for a physical property of the tracer molecule.18. The imaging method of claim 17 , further comprising the step of detecting the physical property of the tracer molecule and creating an image highlighting the location of the tracer molecule in the subject.19. (canceled)20. (canceled)21. The method of claim 17 , wherein the tracer molecule is a positron-emitting radionuclide.22. The method of claim 21 , wherein the positron-emitting radionuclide is selected from carbon-11 claim 21 , nitrogen-13 claim 21 , oxygen-15 claim 21 , fluorine-18 claim 21 , rubidium-82 claim 21 , and strontium-82.23. The method of claim 17 , wherein the tracer molecule is a fluorescent molecule.24. The method of claim 17 , wherein the fluorescent molecule is a florescent dye.25. The method of claim 17 , wherein the oligosaccharide is greater than 2 claim 17 , 3 claim 17 , 4 claim 17 , 5 claim 17 , or 6 sugar oligomers.26. The method of claim 17 , wherein the oligosaccharide comprises glucose oligomers.27. The method of claim 26 , wherein the glucose oligomers are linked by an alpha 1→4 covalent bond.28. The method of claim 17 , wherein the oligosaccharide is maltodextrin.29. The method of claim 17 , wherein the tracer molecule conjugated to the oligosaccharide comprises a positron-emitting radionuclide conjugated to maltodextrin. This ...

BIODEGRADABLE POLYESTER COMPOSITION

A biodegradable polyester composition based on a total weight of the biodegradable polyester composition, including a weight content of cyclopentanone which is 0.5 ppm-85 ppm is provided. The cyclopentanone is added into the composition and controlling the content of cyclopentanone in the composition within a range of 0.5 ppm-85 ppm to realize a lubrication degree of a film of biodegradable polyester during a blow molding process. When a velocity of film blowing is 176 Kg/h, a range of a film thickness is less than 0.2 μm and a relative deviation of the film thickness is less than 1%. 1. A biodegradable polyester composition comprising following components in parts by weight:i) 60 to 99 parts of biodegradable aliphatic-aromatic polyester;ii) 0 to 40 parts of polylactic acid;iii) 0 to 30 parts of an organic filler and/or an inorganic filler;iv) 0 to 1 part of a copolymer which contains epoxy group and is based on styrene, acrylate and/or methacrylate.2. The biodegradable polyester composition according to wherein based on a total weight of the biodegradable polyester composition claim 1 , a weight content of cyclopentanone is 0.5 ppm-85 ppm claim 1 , preferably 5 ppm-50 ppm claim 1 , more preferably 10 ppm-35 ppm.3. The biodegradable polyester composition according to claim 1 , wherein the following components in parts by weight:i) 65 to 95 parts of the biodegradable aliphatic-aromatic polyester;ii) 5 to 35 parts of the polylactic acid;iii) 5 to 25 parts of the organic filler and/or the inorganic filler;iv) 0.02 to 0.5 part of the copolymer which contains epoxy group and is based on styrene, acrylate and/or methacrylate.4. The biodegradable polyester composition according to claim 2 , wherein the weight content of cyclopentanone is measured by following method: 1.2000 g of the biodegradable polyester composition is weighed accurately and added into a static headspace test flask; a peak area of cyclopentanone in the biodegradable polyester composition is measured by a ...

Binder Compositions and Uses Thereof

The present invention relates to new aqueous curable binder compositions comprising a carbohydrate compound, a first cross linker and a second cross linker different from the first capable of undergoing radical polymerization and possibly a free radical initiator. 1. An aqueous curable binder composition comprising a carbohydrate compound , a first cross-linker selected from carboxyl function bearing compounds which form esters with the carbohydrate compound , and a second cross-linker , the second cross-linker being different from the first and being capable of undergoing radical polymerization , and optionally a free radical initiator; wherein the carboxyl bearing compound is selected from monomeric polycarboxylic acids , and wherein the second cross-linker capable of undergoing radical polymerization is selected from monomeric polycarboxylic acids , acrylamides and methacrylamides , acrylates and methacrylates , acrylic acids and their salts , acrylonitrile , bisphenol acrylics , carbohydrate monomers , fluorinated acrylics , maleimide , polyfunctional acrylics , and mixtures thereof.2. The aqueous curable binder composition of characterized by one or more of the following features:wherein the aqueous binder composition further comprises reaction product resulting from crosslinking between the carbohydrate compound and the first cross-linker;wherein the carbohydrate compound is selected from monosaccharide and/or polysaccharide;{'sup': '6', 'wherein the carbohydrate compound is selected from monosaccharide and/or polysaccharide and wherein the polysaccharide comprises at least two saccharide units and up to 10saccharide units;'}wherein the carbohydrate compound is selected from monosaccharide and/or polysaccharide and wherein the polysaccharide is selected from native starch, carboxymethyl starches, hydroxyalkyl starches, cationic starches, amphoteric starches, starch acetates, starch phosphates, starch octenyl succinate, starch copolymers, partially hydrolysed ...

STABLE RHEOLOGY MODIFIER COMPOSITIONS

A dried rheology modifier composition comprises a swellable emulsion polymer and a water soluble support polymer. In one embodiment the swellable emulsion polymer is polymerized in the presence of the water soluble support polymer. In one embodiment the swellable emulsion polymer is blended with the water soluble support polymer. The drying can be accomplished by spray drying, resulting in a non-tacky powder having good shelf life. The dried rheology modifiers can be subjected to a further heat treatment which can result in a rheology modifier that imparts a short flow characteristic to product formulations. The swellable emulsion polymer can be alkali swellable or acid swellable. The water soluble support polymer can be a polysaccharide or a derivative thereof, or a polyvinyl acetate or derivative thereof. 1. A dried rheology modifier composition comprising at least one swellable emulsion polymer and at least one water soluble support polymer , wherein the at least one swellable emulsion polymer comprises at least one ethylenically unsaturated water soluble monomer and at least one ethylenically unsaturated hydrophobic monomer , wherein said dried rheology modifier composition comprises less than 25 wt % water.2. The dried rheology modifier composition of wherein the at least one swellable emulsion polymer is selected from the group consisting of an alkali swellable emulsion polymer and an acid swellable emulsion polymer.3. The dried rheology modifier composition of wherein the at least one swellable emulsion polymer further comprises an associative monomer.4. The dried rheology modifier composition of wherein the water soluble support polymer is selected from a polysaccharide claim 1 , a polysaccharide derivative claim 1 , and a water soluble polyvinylacetate derivative.5. The dried rheology modifier composition of wherein the at least one swellable emulsion polymer is surfactant stabilized.6. The dried rheology modifier composition of further comprising a ...

Water-Soluble Or Water-Swellable Polymers As Water Loss Reducers In Cement Slurries

This invention relates to water-soluble or water-swellable polymers, containing a) 25-35 mol. % of one or more recurrent structural units of formula (1), where Rand Rrepresent hydrogen, methyl or ethyl, A represents a linear or branched C-C-alkylene, and Q stands for H, NH, Li, Na, K, ½Ca, ½Mg, ½Zn, ⅓Al, or organic ammonium ions of the formula [HNRRR], b) 3 to 8 mol. % of one or more recurrent structural units of formula (2), where Rrepresents hydrogen, methyl, or ethyl, X stands for H, NH, Li, Na, K, ½Ca, ½Mg, ½Zn, ⅓Al, or organic ammonium ions of the formula [HNRRR], B is a linear or branched alkylene group with 1 to 6 carbon atoms, and n is a whole number between 0 and 5, and c) 57 to 72 mol. % of a (meth)acrylamide. 2. The polymer as claimed in claim 1 , wherein the at least one structural unit of the formula (1) is derived from monomers selected from the group consisting of acryloyldimethyltaurate claim 1 , acryloyl-1 claim 1 ,1-dimethyl-2-methyltaurate claim 1 , acryloyltaurate claim 1 , and acryloyl-N-methyltaurate.3. The polymer as claimed in claim 1 , wherein the at least one structural unit of the formula (2) is derived from methacrylic acid claim 1 , acrylic acid claim 1 , carboxyethyl acrylate or higher oligomers of the formula (2) in which n is an integer of 2 or more.4. The polymer as claimed in claim 1 , wherein the at least one structural unit of the formula (3) is derived from monomers selected from the group consisting of acrylamide claim 1 , N-methylacrylamide claim 1 , N-ethylacrylamide claim 1 , N claim 1 ,N-diethylmethacrylamide claim 1 , N claim 1 ,N-diethylacrylamide claim 1 , N claim 1 ,N-dimethylmethacrylamide claim 1 , N claim 1 ,N-dimethylacrylamide claim 1 , N-isopropylacrylamide claim 1 , N-tert-butylacrylamide and N-butylacrylamide.5. The polymer as claimed in claim 1 , wherein Q in formula (1) is selected from the group consisting of NH claim 1 , Na and mixtures of these ions and X in formula (2) is selected from the group consisting ...

CROSSLINKED NATIVE AND WAXY STARCH RESIN COMPOSITIONS AND PROCESSES FOR THEIR MANUFACTURE

The present invention relates to an enhanced starch resin composition, methods of making the enhanced starch resin composition using environmentally benign, water-based processes, and products produced using the enhanced starch resin composition. The enhanced starch resin composition comprises a native starch and/or a waxy starch crosslinked with a multi-functional polycarboxylic acid. The starch resin composition is formed by a water-based reaction comprising using a non-toxic, water-soluble catalyst to catalyze esterification of the native starch and/or the waxy starch with the multi-functional polycarboxylic acid, thereby yielding a crosslinked starch resin composition having at least one enhanced mechanical property and/or reduced moisture absorption as compared to the native starch and/or the waxy starch. 1. An enhanced starch resin composition comprising a native starch and/or a waxy starch crosslinked with a multi-functional polycarboxylic acid , wherein the starch resin composition is formed by a water-based reaction comprising using a non-toxic , water-soluble catalyst to catalyze esterification of the native starch and/or the waxy starch with the multi-functional polycarboxylic acid , thereby yielding a crosslinked starch resin composition having at least one enhanced mechanical property and/or reduced moisture absorption as compared to the native starch and/or the waxy starch.2. The enhanced starch resin composition according to claim 1 , wherein the native starch and/or waxy starch is present in an amount ranging from about 50 percent (%) and about 100% by weight.3. The enhanced starch resin composition according to claim 1 , wherein the native starch and/or waxy starch is from a plant source selected from the group consisting of a cereal claim 1 , a tuber claim 1 , and combinations thereof.4. The enhanced starch resin composition according to claim 3 , wherein the cereal is selected from the group consisting of maize claim 3 , rice claim 3 , wheat claim ...

PAPER STRENGTH IMPROVING ADDITIVES, THEIR MANUFACTURE AND USE IN PAPER MAKING

The present invention relates to a polymer composition comprising an anionic polymer composite having a synthesized polymer portion and a polysaccharide portion, obtainable by polymerizing vinyl monomers in the presence of the polysaccharide. The present invention further relates to a strength system and methods of production and use in providing a paper product. 1. A polymer composition comprising an anionic polymer composite having a synthesized polymer portion and an anionic polysaccharide portion , obtainable by polymerizing vinyl monomers in the presence of an anionic polysaccharide.2. The polymer composition according to claim 1 , having a solids content originating from the anionic polymer composite of about 1-50 wt % claim 1 , preferably about 5-50 wt % claim 1 , more preferably about 10-30 wt % claim 1 , based on the total weight of the polymer composition.3. The polymer composition according to claim 1 , wherein the anionic polymer composite has a Brookfield viscosity of about 3-1200 mPas claim 1 , preferably 7-300 mPas claim 1 , more preferably 12-150 mPas claim 1 , when measured from an aqueous solution of the polymer composition having solids content of 2 weight-% using a Brookfield LVT viscometer with a #2 spindle at 60 rpm at pH 7 claim 1 , 23° C.4. The polymer composition according to any one of claim 1 , wherein vinyl monomers providing nonionic units to the synthesized polymer portion of the composite are selected from the group consisting of acrylamide-based monomers claim 1 , acrylate-based monomers claim 1 , N-vinylcarbamides claim 1 , styrene claim 1 , acrylonitrile claim 1 , vinyl acetate claim 1 , N-vinylpyrrolidone claim 1 , N-vinyl-2-caprolactam claim 1 , maleic anhydride claim 1 , vinylethers claim 1 , and any combinations thereof; preferably acrylamide-based monomers.5. The polymer composition according to any one of claim 1 , wherein vinyl monomers providing anionic units to the synthesized polymer portion of the composite are selected ...

STARCH-BASED MICROPARTICLES FOR THE RELEASE OF AGENTS DISPOSED THEREIN

The invention provides starch-based microparticles with high loading capacity for the stabilization and/or controlled release of one or more agents, for example, a pharmaceutical, a taste masking agent, a flavoring agent, or a combination thereof, disposed within the microparticles, and to methods of making and using such microparticles. 1. A method of producing hollow microparticles that stabilize and/or control the release of an agent disposed therein , the method comprising:(a) providing an aqueous dispersion comprising a mixture of from about 5% w/w to about 20% w/w of cross-linked high amylose starch and the agent to be released at a temperature ranging from room temperature to 60° C.; and(b) spray drying the dispersion of step (a) in a spray dryer to produce hollow microparticles having a mean diameter of from about 1 μm to about 200 μm, wherein the hollow microparticles stabilize or control the release of the agent disposed therein.2. The method of claim 1 , wherein the microparticles have a mean diameter in the range from about 5 μm to about 150 μm.3. The method of claim 1 , wherein the dispersion provided in step (a) comprises from about 7% w/w to about 15% w/w of cross-linked high amylose starch.4. The method of claim 1 , wherein the agent comprises from about 5% to about 50% (w/w) of the microparticles produced in step (b).5. The method of claim 4 , wherein the agent to be released comprises from about 10% to about 45% (w/w) of the microparticles produced in step (b).67-. (canceled)8. The method of claim 1 , wherein claim 1 , in step (a) claim 1 , the agent is melted prior to mixing with the cross-linked high amylose starch.9. The method of claim 1 , wherein claim 1 , in step (a) claim 1 , the agent is mixed with a dispersing agent prior to mixing with the cross-linked high amylose starch.10. The method of claim 8 , wherein claim 8 , in step (a) claim 8 , the dispersion further comprises a surface active agent.11. (canceled)12. The method of claim 1 , ...

Orthodontic composite and method for preparing same

Disclosed is an orthodontic composite, comprising: an orthodontic member which has a tube shape, a hollow polygonal prism shape, a hollow truncated polygonal pyramid shape, a hollow truncated cone shape, or a funnel shape; and an orthodontic wire that is inserted into the hollow portion of the orthodontic member, wherein the orthodontic member includes a water-soluble or biodegradable material. Thereby, the orthodontic composite of the present invention making it simple to perform orthodontic treatment by attaching the orthodontic composite.

Clay Control Additive For Wellbore Fluids

A clay control additive for wellbore fluids comprises a blended starch polymer solution comprising a quarternary amine-functionalized starch polymer. The polymer is preferably cationized to a degree of substitution of at least 0.30. The starches may be synthetic or blended from natural amylose cationic starches. In an embodiment, a further additive comprises cactus mucilage obtained from the Opuntia genus, which may be combined with the starch polymer in a 1 to 95% solution. In another embodiment, both the starch and the mucilage may be further combined with conventional additives (e.g., choline chloride) to further enhance the clay control properties.

Insulation element with artificial fibres for electrical insulation in the high voltage range

The invention relates to an insulation element (1) with low electrical conductivity for the electrical insulation of an electrotechnical component in the high voltage range. The insulation element (1) comprises artificial fibres (2) and electrically conductive particles (3) having an electrically non-conductive core (5) and an electrically conductive or semi-conductive cladding (6) surrounding the core (5). Moreover, the insulation element (1) comprises a cationic polymer (4).

NANOPOROUS STARCH AEROGELS IMPREGNATED WITH PHYTOSTEROLS AND METHODS OF PREPARING THE NANOPOROUS STARCH AEROGELS

Formation of low-crystallinity phytosterol nanoparticles via cooling-controlled supercritical carbon dioxide (SC—CO) impregnation of phytosterols into biodegradable nanoporous starch aerogels and methods of preparing these aerogels are disclosed. The nanoporous starch aerogels increase water dissolution and bioaccessibility of the phytosterols, thereby making them available for preparation of high nutraceutical value foods. 1. A nanoporous starch aerogel impregnated with a bioactive.2. The aerogel as set forth in wherein the nanoporous starch aerogel is a wheat starch aerogel.3. The aerogel as set forth in wherein the bioactive is a phytosterol.4. The aerogel as set forth in wherein the phytosterol is selected from the group consisting of β-sitosterol claim 3 , campesterol claim 3 , stigmasterol claim 3 , and combinations thereof.5. A method of forming a starch aerogel impregnated with a bioactive claim 3 , the method comprising:forming a nanoporous starch aerogel; and{'sub': '2', 'cooling-controlled impregnating of a supercritical carbon dioxide (SC—CO)-bioactive solvato-complex into the nanoporous starch aerogel.'}6. The method as set forth in wherein the forming of the nanoporous starch aerogel comprises:forming a starch hydrogel;exchanging water in the starch hydrogel with ethanol to form an alcogel; and{'sub': '2', 'SC—COdrying the alcogel to form the nanoporous starch aerogel.'}7. The method as set forth in wherein forming the starch hydrogel comprises gelatinizing starch at a temperature ranging from about 80° C. to about 140° C. to form a three-dimensional starch hydrogel.8. The method as set forth in wherein the starch hydrogel comprises about 10% starch.9. The method as set forth in wherein the starch comprises wheat starch.10. The method as set forth in wherein exchanging water in the starch hydrogel with ethanol to form an alcogel comprises immersing the starch hydrogel in an ethanol solution.11. The method as set forth in wherein the ethanol solution ...

ADHESIVE WITH TACK AND USE IN WOOD COMPOSITE PRODUCTS

This invention discloses adhesive compositions useful for providing cohesive strength to particles, for example a mat of wood particles produced while making particleboard prior to curing. The adhesive compositions has a) one or more biopolymers and b) one or more monomers or oligomers. An oligomer may have a degree of polymerization of 4 or less. The weight ratio of the monomer/oligomer to the biopolymer is optionally between 30:70 and 80:20. Optionally, the adhesive compositions may be combined with an isocyanate. The adhesive composition may be used to make no added formaldehyde wood composites such as particleboard. 1. A curable hybrid resin composition comprising:(a) water;(b) one or more polysaccharide or polypeptide biopolymers;(c) one or more monomers or oligomers having an average degree of polymerization of 4 or less; and,(d) one or more isocyanates,wherein a ratio of the one or more monomers or oligomers to the one or more biopolymers is in the range of about 30:70 to about 80:20 by weight.2. The composition of wherein the one or more biopolymers comprise one or more amylaceous materials claim 1 , preferably wherein the one or more biopolymers contain more than 80 wt % starch on a dry basis.3. The composition of claim 1 , wherein the one or more biopolymers comprise starch nanoparticles claim 1 , preferably wherein the starch nanoparticles have an average particle size of 1 micron or less.4. The composition of wherein the one or more biopolymers comprise one or more proteinaceous materials claim 1 , preferably wherein the one or more proteinaceous materials contain more than 15 wt % protein but less than 40% protein on a dry basis.5. The composition of to wherein the ratio of the one or more monomers or oligomers to the one or more biopolymers is 37.5:62.5 by weight or more.6. The composition of wherein the ratio of the one or more monomers or oligomers the one or more biopolymers is 75:25 by weight or less.7. The composition of wherein the number-average ...

Thixotropic Composition

The invention concerns a thixotropic composition comprising a microcrystalline cellulose, a swelling or water binding agent, a starch glycolate, a solvent and carboxymethyl cellulose or its alkaline salt or its alkaline earth metal salt, wherein the swelling or water binding agent is a phyllosilicate, wherein the solvent comprises water. 118-. (canceled)19. A thixotropic composition comprising a microcrystalline cellulose , a swelling or water binding agent , a starch glycolate , a solvent , and carboxymethyl cellulose or its alkaline salt or its alkaline earth metal salt , wherein the swelling or water binding agent is mica , wherein the solvent comprises or consists of water , wherein a water content of the composition is at least 70% w/w , wherein the weight ratio of microcrystalline cellulose to carboxymethyl cellulose or its alkaline salt or its alkaline earth metal salt is in the range of 3:1 to 11:1 and/or the weight ratio of microcrystalline cellulose and carboxymethyl cellulose or its alkaline salt or its alkaline earth metal salt together to the swelling or water binding agent is in the range of 3:1 to 4:1.20. The thixotropic composition according to claim 19 , wherein water content of the composition is at least 80% w/w.21. The thixotropic composition according to claim 19 , wherein the mica is an aluminum fluoro magnesium sodium silicate claim 19 , in particular aluminum fluoro magnesium sodium silicate having CAS Registry Number 12001-26-2.22. The thixotropic composition according to claim 19 , wherein the weight ratio of microcrystalline cellulose to carboxymethyl cellulose or its alkaline salt or its alkaline earth metal salt is in the range of 4:1 to 9:1 and/or the weight ratio of microcrystalline cellulose and carboxymethyl cellulose or its alkaline salt or its alkaline earth metal salt together to the swelling or water binding agent is in the range of 3.3:1 to 3.5:1.23. The thixotropic composition according to claim 19 , wherein the thixotropic ...

Method for embedding images in soap

A method of producing a solid soap containing at least one image embedded within the solid soap includes printing an image on a dissolvable substrate to form an image layer, bringing the image layer into contact with molten soap and allowing the soap to harden so as to embed the image layer within the solid soap. The dissolvable substrate can be a printable icing or frosting sheet and the image can be a high-resolution image. The soap can include a background layer against which the image is visible.

Method for embedding images in soap

A method of producing a solid soap containing at least one image embedded within the solid soap includes printing a printed image on a base layer of solid soap, applying molten soap to the printed base layer, and allowing the soap to harden so as to embed the image within the solid soap. The image can be a high-resolution image and can be printed on the base layer of solid soap using a flatbed printer. The soap can include a background layer against which the image is visible.

METHOD OF PRODUCING PLANT BIOMASS-BASED BIOPLASTIC

This invention relates to the field of producing bioplastics. Specifically, it relates to a method of producing all key ingredients of bioplastic making from pumpkins and making of bioplastic with these ingredients. More specifically, glycerin and other chemicals are extracted from pumpkin seed oil and mixed with starches that in the pumpkin flesh and then reinforced with pumpkin fibers to make bioplastic. The bioplastic produced with the method as disclosed in this invention possess superior properties in tensile strength and biodegradability compared to bioplastic made with petroleum derived glycerin. 1. A method of making pumpkins based bioplastic , the method comprising: Separating pumpkins into flesh and seeds , and extracting organic glycerin to react with pumpkin flesh and pumpkin stem derived fibers , and producing bioplastic.2. The method of claim 1 , wherein processing pumpkin seed by extracting organic glycerin by a transesterification reaction using pumpkin seed oil with methanol.3. The method of claim 1 , wherein a reinforcement fiber that is derived from pumpkin vine stem or corn stalk pith.4. The method of claim 2 , wherein a catalyst is added into methanol.5. The method of claim 2 , wherein a catalyst is sodium hydroxide. A method of producing bioplastic from plant derived biomass such as pumpkins. The method includes separating pumpkin flesh and seeds, extracting organic glycerin and other chemicals from the seeds, and mixing with pumpkin flesh and pumpkin stem fibers to form bioplastics.Plastic and Plastic WastePlastic is a carbon-rich raw material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into any forms. Most of the plastics produced in the world is made from petrochemicals. In the process of producing plastics, crude oil is first refined into ethane, propane and other intermediates, from which ethylene and propylene are transformed under a high temperatures. In the ...

Blood Lipids, Glucose Tolerance and Insulin Sensitivity

Described herein is the use of resistant potato starch as an effective dietary supplement offering protection against multiple metabolic risk factors that are associated with cardiovascular disease and diabetes, including High Density Lipoprotein levels, blood glucose levels and insulin resistance.

Halogenated Polysaccharides

A halogenated polysaccharide is provided having a halogen content of from about 1.0 wt. % to about 85 wt. % based on the total weight of the halogenated polysaccharide and having an average chain length of at least 6 monosaccharides. Methods of halogenating a polysaccharide to form a halogenated polysaccharide are provided that can be performed in the presence or absence of a proton solvent. Compositions such as articles of manufacture containing a halogenated polysaccharide and methods of producing such articles are also provided. The article of manufacture can also include one or more additional polymers, for example, polyvinylchloride (PVC). The article of manufacture can be, for example, a flooring tile, flooring plank, or carpet. Halogenated polysaccharides and products containing the same are bio-based, environmentally sustainable replacements or complements to existing polymers and polymer products. 1. A halogenated polysaccharide having a halogen content of from about 1.0 wt. % to about 85 wt. % based on the total weight of the halogenated polysaccharide and having an average chain length of at least 6 monosaccharides.2. The halogenated polysaccharide of claim 1 , wherein the halogenated polysaccharide comprises a fluorinated polysaccharide claim 1 , a chlorinated polysaccharide claim 1 , a brominated polysaccharide claim 1 , an iodinated polysaccharide claim 1 , or any combination thereof.3. The halogenated polysaccharide of claim 1 , wherein the halogenated polysaccharide comprises at least one chlorinated polysaccharide.4. The halogenated polysaccharide of claim 1 , having a halogen content of from about 40 wt. % to about 75 wt. % based on the total weight of the halogenated polysaccharide.5. The halogenated polysaccharide of having a molecular weight of from about 1.0 kD to about 10 claim 1 ,000 kD.6. The halogenated polysaccharide of claim 1 , wherein the average chain length is from about 100 monosaccharides to about 25 claim 1 ,000 monosaccharides.7. ...

WATER-DISINTEGRABLE RESIN COMPOSITION AND MATERIAL SET FOR PRODUCING THREE-DIMENSIONAL OBJECT USING SAME, AND THREE-DIMENSIONAL OBJECT PRODUCING METHOD

Provided is a water-disintegrable resin composition including at least a water-soluble resin (A) and an acidic substance (B). 1. A water-disintegrable resin composition comprising:a water-soluble resin (A): andan acidic substance (B).2. The water-disintegrable resin composition according to claim 1 , further comprisingone or both of an easily water-soluble substance (C) and a water-swellable substance (D).3. The water-disintegrable resin composition according to claim 1 , wherein the water-soluble resin (A) comprises at least one selected from the group consisting of polyvinyl alcohol claim 1 , carboxymethyl cellulose claim 1 , polyvinyl pyrrolidone claim 1 , polyacrylic acid claim 1 , polyvinyl sulfonic acid claim 1 , polyethylene oxide claim 1 , polyethylene glycol claim 1 , maleic acid-based copolymers claim 1 , and chitosans.4. The water-disintegrable resin composition according to claim 1 , wherein the acidic substance (B) comprises at least one selected from the group consisting of an inorganic acidic substance and an organic acidic substance claim 1 , andwherein a content of the acidic substance (B) is 1% by mass or greater relative to the water-soluble resin (A).5. The water-disintegrable resin composition according to claim 4 , wherein the acidic substance (B) comprises at least one selected from the group consisting of carboxylic acid claim 4 , carboxylic anhydrides claim 4 , and metal salts of the carboxylic acid and the carboxylic anhydrides.6. The water-disintegrable resin composition according to claim 4 , wherein the acidic substance (B) comprises at least one selected from the group consisting of citric acid claim 4 , maleic acid or maleic anhydride claim 4 , fumaric acid claim 4 , oxalic acid claim 4 , benzoic acid claim 4 , pyruvic acid claim 4 , and amino acid.7. The water-disintegrable resin composition according to claim 2 , wherein the easily water-soluble substance (C) comprises at least one selected from the group consisting of sucrose claim ...

Water-Soluble Or Water-Swellable Polymers As Water Loss Reducers In Cement Slurries

This invention relates to water-soluble or water-swellable polymers, containing a) 25-35 mol. % of one or more recurrent structural units of formula (1), where Rand Rrepresent hydrogen, methyl or ethyl, A represents a linear or branched C-C-alkylene, and Qstands for NH, Li, Na, K, ½ Ca, ½ Mg, ½ Zn, ⅓ Al, or organic ammonium ions of the formula [HNRRR], b) 3 to 8 mol. % of one or more recurrent structural units of formula (2), where Rrepresents hydrogen, methyl, or ethyl, Xstands for H, NH, Li, Na, K, ½ Ca, ½ Mg, ½ Zn, ⅓ Al, or organic ammonium ions of the formula [HNRRR], B is a linear or branched alkylene group with 1 to 6 carbon atoms, and n is a whole number between 0 and 5, and c) 57 to 72 mol. % of a (meth)acrylamide. 124-. (canceled)26. The method as claimed in claim 25 , wherein the structural units of the formula (1) are derived from monomers from the group consisting of acryloyldimethyltaurate claim 25 , acryloyl-1 claim 25 ,1-dimethyl-2-methyltaurate claim 25 , acryloyltaurate claim 25 , acryloyl-N-methyltaurate.27. The method as claimed in claim 25 , wherein the structural units of the formula (2) are derived from methacrylic acid claim 25 , acrylic acid claim 25 , carboxyethyl acrylate or higher oligomers of the formula (2) in which n is an integer of 2 or more.28. The method as claimed in claim 25 , wherein the structural units of the formula (3) are derived from acrylamide claim 25 , N-methylacrylamide claim 25 , N-ethylacrylamide claim 25 , N claim 25 ,N-diethylmethacrylamide claim 25 , N claim 25 ,N-diethylacrylamide claim 25 , N claim 25 ,N--dimethylmethacrylamide claim 25 , N claim 25 ,N-dimethylacrylamide claim 25 , N-isopropylacrylamide claim 25 , N-tert-butylacrylamide and N-butylacrylamide.29. The method as claimed in claim 25 , wherein Q in formula (1) is selected from the group consisting of NH claim 25 , Na and mixtures of these ions and X in formula (2) is selected from the group consisting of H claim 25 , NH claim 25 , Na and mixtures of ...

SOFT CAPSULE SHELL

Provided are a plant-derived soft capsule shell having high shell sheet strength, good adhesive property, and good shell performance, and a soft capsule. 1: A soft capsule shell , comprising:(A) iota carrageenan; and(B) waxy corn starch having undergone a heat-moisture treatment in the presence of a salt,wherein:the soft capsule shell has a content mass ratio [(A)/(B)] of the component (A) to the component (B) of 0.4 to 3; andthe soft capsule shell has a content mass ratio [carrageenan/starch] of carrageenan comprising the component (A) to starch comprising the component (B) of 0.29 to 1.2: The soft capsule shell according to claim 1 , further comprising a plasticizer.3: The soft capsule shell according to claim 1 , wherein the content of the iota carrageenan (A) is from 20 to 55% by mass based on the total amount of solid components.4: The soft capsule shell according to claim 1 , wherein the content of the waxy corn starch having undergone a heat-moisture treatment in the presence of a salt (B) is from 10 to 80% by mass based on the total amount of solid components.5: The soft capsule shell according to claim 1 , further comprising kappa carrageenan.6: The soft capsule shell according to claim 5 , wherein the content of the kappa carrageenan is from 0.05 to 3.5% by mass based on the total amount of solid components.7: The soft capsule shell according to claim 1 , further comprising waxy potato starch.8: A soft capsule obtained from the soft capsule shell according to .9: A method for producing a soft capsule claim 1 , the method comprising:preparing a soft capsule shell solution comprising (A) iota carrageenan and (B) waxy corn starch having undergone a heat-moisture treatment in the presence of a salt, wherein the solution has a content mass ratio [(A)/(B)] of the component (A) to the component (B) of 0.4 to 3 and also has a content mass ratio [carrageenan/starch] of carrageenan comprising the component (A) to a starch comprising the component (B) of 0.29 to 1; ...

CURABLE FIBERGLASS BINDER

A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products. 1. A process for binding fiberglass , the process comprising: an aldehyde or ketone;', 'an oligomerized amino-amide; and', 'a thickener, and, 'applying a formaldehyde-free binder composition to the fiberglass to form a fiberglass-and-binder mixture, wherein the formaldehyde-free binder composition comprisescuring the fiberglass-and-binder mixture to bind the fiberglass.2. The process of claim 1 , wherein the fiberglass comprises woven or non-woven glass fibers.3. The process of claim 1 , wherein the fiberglass comprises one or more of glass filament fibers claim 1 , chopped glass fibers claim 1 , or staple glass fibers.4. The process of claim 1 , wherein the aldehyde or ketone comprises a reducing sugar.5. The process of claim 4 , wherein the reducing sugar comprises glucose.6. The process of claim 1 , wherein the oligomerized amino-amide is oligomerized by heating at a temperature from 120° C. to 150° C. prior to adding the aldehyde or ketone to the oligomerized amino-amide.7. The process of claim 1 , wherein the oligomerized amino-amide is a reaction product of a diamine and an anhydride.8. The process of claim 7 , wherein the diamine comprises 1 claim 7 ,6-hexanediamine.9. The process of claim 7 , wherein the anhydride comprises maleic anhydride.10. The process of claim 1 , wherein the thickener comprises polysaccharides.11. The process of claim 1 , wherein the thickener comprises a polysaccharide that has a weight average ...

ARTIFICIAL SCAB FOR USE IN AN AIRWAY

Body tissue and structures in an airway may be treated with an artificial scab comprising an inhomogeneous, uncohesive, solid sheet-like body comprising a granular mixture of chitosan and polysaccharide particles. The artificial scab breaks apart into smaller pieces if peeled away from the surgical site or wound, thus reducing the risk of airway occlusion. 1. A method comprising:a) applying a substantially dry, free-flowing powdered mixture of at least partially solvatable chitosan particles and at least partially solvatable oxidized polysaccharide particles to a surgical site or wound in an airway moistened with blood, other bodily fluids or water; andb) forming an artificial scab comprising an inhomogeneous, uncohesive, solid sheet-like body adhered to the tissue or structure, the body comprising a granular mixture of the chitosan and polysaccharide particles that breaks apart into smaller pieces when peeled away from the surgical site or wound.2. A method according to wherein the substantially dry claim 1 , free-flowing powdered mixture contains less than 10 wt. % water.3. A method according to wherein the substantially dry claim 1 , free-flowing powdered mixture contains less than 5 wt. % water.4. A method according to wherein upon application of the mixture to the surgical site or wound the chitosan particles and polysaccharide particles become adhered both to tissue in the surgical site or wound and to one another.5. A method according to wherein upon application of the mixture to the surgical site or wound the chitosan particles and polysaccharide particles become at least partially solvated and at least partially react with one another.6. A method according to wherein upon application of the mixture to the surgical site or wound the chitosan particles and polysaccharide particles do not all become fully solvated claim 1 , and instead retain at least part of the central portion of their original particulate structure in solid claim 1 , undissolved form.7. A ...

METHOD FOR THICKENING OR DEHYDRATING SLUDGE

Disclosed is a method for thickening or dehydrating sludge, which includes at least: a) a step of adding flocculants to the sludge to be treated; b) a step of flocculation by agitation of the sludge with the flocculants thus added in order to form a mixture of flocks and an aqueous solution; c) a step of mechanical separation of the flocks and the aqueous solution formed during the preceding step; d) a step of recovering the aqueous solution and the flocks that make up a treated sludge; wherein: the added flocculants are made up of at least one cationic starch (A) and at least one cationic polyacrylamide (P); the cationic starch or starches (A) including a fixed weight percentage of nitrogen of at least 2%; and the weight ratio (R) mA/(mA+mP), expressed as solids, is included between 0.6 and 0.99. 2. The process as claimed in claim 1 , wherein R is between 0.7 and 0.97.3. The process as claimed in claim 1 , wherein R is between 0.85 and 0.95.4. The process as claimed in claim 1 , wherein R is between 0.87 and 0.94.5. The process as claimed in claim 1 , wherein the cationic starch (S) has a nitrogen weight percent ranging from 2.5 to 5%.6. The process as claimed in claim 1 , wherein the cationic starch is obtained from corn starch claim 1 , wheat starch claim 1 , waxy corn starch or from potato flour claim 1 , preferably from potato flour.7. The process as claimed in claim 1 , wherein the cationic starch is added by way of a liquid amylaceous composition comprising at least one cationic starch.8. The process as claimed in claim 1 , wherein the cationic starch and the cationic polyacrylamide are added separately during step a).9. The process as claimed in claim 1 , wherein the cationic starch and the cationic polyacrylamide are added simultaneously during step a).10. The process as claimed in claim 9 , wherein the cationic starch and the cationic polyacrylamide are added simultaneously by way of a liquid composition comprising at least one cationic starch and at least ...

Water absorbent composition

A composition comprising at least one superabsorbent polymer and at least one water soluble phosphate and optionally a plant advantageous additive.

Improved Binder Compositions and Uses Thereof

The present invention relates to new aqueous curable binder compositions comprising a carbohydrate compound, a first cross linker and a second cross linker different from the first capable of undergoing radical polymerization and possibly a free radical initiator.

CARBOHYDRATE-BASED PLASTIC MATERIALS WITH REDUCED ODOR

Sustainable thermoplastic carbohydrate-based polymeric materials, and sustainable plastic materials including an organic odor-reducing agent to counteract a slight burned carbohydrate odor resulting from inclusion of a carbohydrate-based polymeric material within the described materials. Such carbohydrate-based polymeric material may be starch-based, and the slight characteristic odor lent by such material may be that of a somewhat burned starch, such as a popcorn or caramel corn type odor. Applicant has found that this slight odor can be substantially removed by addition of a very small fraction of particular organic materials. 4-hydroxy-3-methoxybenzaldehyde (vanillin) has been found to be particularly effective, even in very small concentrations. Other freeze-dried fruit extracts (e.g., strawberry, raspberry, blueberry, etc.) may similarly be used. As little as 20 ppm of the organic odor-reducing agent is sufficient to substantially remove the characteristic burned starch odor. A ratio of the odor-reducing agent to the carbohydrate-based polymer may be less than 1:1000. 1. A sustainable plastic material exhibiting reduced odor comprising:a polymeric resin;an organic odor-reducing agent; anda carbohydrate-based polymeric material, wherein in the absence of the organic odor-reducing agent, the carbohydrate-based polymeric material would lend a characteristic burned carbohydrate odor to the sustainable plastic material.2. The material of claim 1 , wherein the organic odor-reducing agent comprises a freeze-dried powder.3. The material of claim 1 , wherein the organic odor-reducing agent comprises a vanilla extract.4. The material of claim 1 , wherein the organic odor-reducing agent comprises vanillin.6. The material of claim 1 , wherein the organic odor-reducing agent consists essentially of 4-hydroxy-3-methoxybenzaldehyde.7. The material of claim 1 , wherein the organic odor-reducing agent comprises no more than 1% of the plastic material.8. The material of claim 1 ...

USE OF DESTRUCTURED STARCH DERIVATIVES AS HYSTERESIS REDUCTION ADDITIVES FOR ELASTOMER COMPOSITIONS

This invention relates to the use of destructured starch derivatives as hysteresis reduction additive in elastomer compositions and elastomer compositions containing those derivatives. 1. An elastomeric composition comprising a destructurized and crosslinked starch uniformly dispersed in said elastomeric composition in an effective amount as a hysteresis reduction additive in said elastomeric composition.2. The elastomeric composition according to claim 1 , in which said destructurized and crosslinked starch is added in an amount of from 3 to 70 parts per 100 parts of elastomer (phr) in said elastomeric composition.3. The elastomeric composition according to claim 1 , in which said destructurized and crosslinked starch is obtainable by means of a process in which the starch is destructurized and at the same time mixed with at least one crosslinking agent.4. The elastomeric composition according to claim 1 , in which said destructurized and crosslinked starch is obtainable by means of a process in which the starch is first destructurized and then mixed with at least one crosslinking agent.5. The elastomeric composition according to claim 1 , in which said destructurized and crosslinked starch comprises 1-40% by weight claim 1 , with respect to the weight of starch claim 1 , of one or more plasticisers selected from the group consisting of water and polyols having from 2 to 22 carbon atoms.6. The elastomeric composition claim 1 , in which said destructurized and crosslinked starch comprises 0.1-5% by weight claim 1 , with respect to the weight of starch claim 1 , of one or more of depolymerizing agents selected from the group consisting of organic acids claim 1 , inorganic acids claim 1 , and enzymes.7. The elastomeric composition according to any one of claims from 1 to 6 claim 1 , in which said destructurized and crosslinked starch comprises 0.1-5% by weight with respect to the weight of starch claim 1 , of one or more crosslinking agents.8. The elastomeric ...

Physically modified sago starch

The present invention relates to physically modified sago starch which exhibits an increased onset of gelatinization temperature and controlled viscosity development, yet retains significant hot and cold viscosity, the process of making such starch, and the use thereof. Such starches are useful in a variety of products, particularly as viscosifiers.

Compositions comprising thermoplastic starch

The invention relates to a composition comprising very low density polyethylene having a density of less than 0.905g/cm 3 , ethylene acrylic acid copolymer and thermoplastic starch and/or the constituent components thereof.

Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products

The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer. These degradable articles include agricultural film products, adhesive tape substrates, bed linens, containers, disposable absorbent articles, packaging materials, bags, labels, pillow cases, protective clothing, surgical drapes, sponges, tampon applicators, disposable syringes, temporary enclosures and temporary siding, toys, wipes, foamed plastic products, and controlled release pellets, strips and tabs.

Binder Compositions and Uses Thereof

The present disclosure provides for aqueous, curable binder compositions, as well as articles and products comprising assemblies of matter comprising mineral fibers, synthetic fibers, natural fibers, cellulosic particles and sheet materials comprising the binder compositions disclosed herein. 1. An assembly of matter selected from insulation products comprising mineral fibers and composite wood boards comprising cellulosic particle or sheet material , bonded together by a curable binder composition comprising a monosaccharide and an azetidinium cross-linker , or by a binder obtained by subjecting to curing conditions an aqueous curable binder composition comprising a monosaccharide and an azetidinium cross-linker.3. The assembly of matter of claim 1 , wherein the weight ratio on a dry basis of monosaccharide to azetidinium cross-linker comprises a ratio between 99/1 to 60/40.4. The assembly of matter of characterized by one or more of the following features:wherein the binder composition comprises monosaccharide cross-linked with azetidinium cross-linker and further comprises a cross-linker capable of undergoing radical polymerization and optionally a free radical initiator;wherein the binder composition comprises monosaccharide cross-linked with azetidinium cross-linker and further comprises a cross-linker capable of undergoing radical polymerization and optionally a free radical initiator, and the cross-linker capable of undergoing radical polymerization is selected from the group consisting of polycarboxylic acid, acrylamide, methacrylamide, acrylate, acrylic acids and their salts, acrylonitrile, bisphenol acrylics, carbohydrate monomers, fluorinated acrylics, maleimide and mixtures thereof, for initiation of further cross-linking reactions between saccharide residues and the cross-linker;wherein the binder composition comprises monosaccharide cross-linked with azetidinium cross-linker and further comprises a cross-linker capable of undergoing radical ...

NATURAL POLYMER-BASED FIBROUS ELEMENTS COMPRISING A SURFACTANT AND METHODS FOR MAKING SAME

Natural polymer-based fibrous elements including a modified polymer derived from a natural polymer and a surfactant, method for making such natural polymer-based fibrous elements and methods for making such fibrous structures are provided. 1. A fibrous structure comprising a plurality of fibrous elements , wherein the plurality of fibrous elements comprise one or more fibrous element-forming materials wherein at least one of the one or more fibrous element-forming materials comprises a modified polysaccharide and one or more active agents wherein at least one of the active agents comprises a surfactant , wherein the surfactant and the modified polysaccharide are present within the plurality of fibrous elements at a weight ratio of from about 0.15:1 to about 6:1.2. The fibrous structure according to wherein the plurality of fibrous elements comprises a plurality of filaments.3. The fibrous structure according to wherein the modified polysaccharide has a solubility parameter of greater than 14.00 to less than 16.25 as determined according to the Fedors Method.4. The fibrous structure according to wherein the modified polysaccharide exhibits a weight average molecular weight of greater than 50 claim 1 ,000 to less than 40 claim 1 ,000 claim 1 ,000 g/mol as measured according to the Weight Average Molecular Weight Test Method.5. The fibrous structure according to wherein the modified polysaccharide is a nonionic modified polysaccharide.6. The fibrous structure according to wherein the modified polysaccharide is an acetyl-substituted polysaccharide.7. The fibrous structure according to wherein the acetyl-substituted polysaccharide exhibits a Degree of Substitution (DS) of at least 0.3 to 1.0.8. The fibrous structure according to wherein the modified polysaccharide is derived from starch.9. The fibrous structure according to wherein the plurality of fibrous elements comprise a total level of the modified polysaccharide of less than 80% by weight of the dry fibrous ...

Waterproof sheet, waterproof sheet integrated precast concrete and concrete waterproofing method using the waterproof sheet

Disclosed are a waterproof sheet with excellent waterproof performance and strength in concrete, waterproof sheet integrated precast concrete, and a concrete waterproofing method using the waterproof sheet. The disclosed waterproof sheet comprises a waterproofing layer and a protective layer disposed on one surface of the waterproofing layer.

一种可降解生物薄膜及其制备方法

本发明提供了一种可降解生物薄膜，包括依次设置的内层薄膜、中间层薄膜与外层薄膜；所述外层薄膜由50～75重量份的第一聚合物、15～20重量份的第一改性淀粉与10～17重量份的第一添加剂形成；所述中间层薄膜由45～65重量份的第二聚合物、20～30重量份的第二改性淀粉与10～17重量份的第二添加剂形成；所述内层薄膜由50～70重量份的第三聚合物、15～25重量份的第三改性淀粉与10～17重量份的第三添加剂形成；且所述外层薄膜与中间层薄膜的材料成分配比不相同。与现有技术相比，本发明可降解生物薄膜在热封处具有较高的平整度，且在提高淀粉含量的同时降低了成本，也保持了较高的物理性能。

Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products

The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer. These degradable articles include agricultural film products, adhesive tape substrates, bed linens, containers, disposable absorbent articles, packaging materials, bags, labels, pillow cases, protective clothing, surgical drapes, sponges, tampon applicators, disposable syringes, temporary enclosures and temporary siding, toys, wipes, foamed plastic products, and controlled release pellets, strips and tabs.

Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products

The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer. These degradable articles include agricultural film products, adhesive tape substrates, bed linens, containers, disposable absorbent articles, packaging materials, bags, labels, pillow cases, protective clothing, surgical drapes, sponges, tampon applicators, disposable syringes, temporary enclosures and temporary siding, toys, wipes, foamed plastic products, and controlled release pellets, strips and tabs.

Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products

The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer. These degradable articles include agricultural film products, adhesive tape substrates, bed linens, containers, disposable absorbent articles, packaging materials, bags, labels, pillow cases, protective clothing, surgical drapes, sponges, tampon applicators, disposable syringes, temporary enclosures and temporary siding, toys, wipes, foamed plastic products, and controlled release pellets, strips and tabs.

可降解的环保塑料及其制备方法

本发明提供一种可降解的环保塑料，主要组成为：碳酸钙、变性淀粉、植物树脂、分散剂、硬脂酸锌、石蜡、偶联剂以及生物酶降解剂；本发明实施例提供的可降解的环保塑料是以变性淀粉为主要材料，以碳酸钙为辅助材料并加入分散剂，相比于纯淀粉为原料的环保塑料，由于碳酸钙的获取成本低，从而降低了环保塑料的制作成本，通过加入生物酶降解剂，加快变性淀粉降解效率，同时将植物树脂作为填充材料，通过加入偶联剂，改善了填充材料的分散度，进而使得制成的环保材料具有良好的表面质量；通过加入硬脂酸锌，提高了环保塑料表面的光滑性。

变性淀粉衍生物作为弹性体组合物用滞后降低添加剂的用途

本发明涉及变性淀粉衍生物在弹性体组合物中作为滞后降低添加剂的用途和含这些衍生物的弹性体组合物。

Biodegradable polymer mixture and its production method

FIELD: chemistry. SUBSTANCE: invention relates to a biodegradable polymer mixture containing at least one component (A) including lactic acid-based polymers, at least one component (B) including thermoplastic starch (TPS), which is a mixture of starch and at least one plasticizer (C) and at least one modifying agent (E), and at least one component (D) including homopolymers or copolymers of polyhydroxyalkanoates (PHA) and/or mixtures thereof, wherein the biodegradable polymer mixture may optionally contain a component (F) including plasticizers for PLA and/or PHA and a component (G), which is a technological additive. The invention also relates to a biodegradable polymer film, which is obtained by mixing components (A) and (B), where the component (B) is present in the mixture for at least one phase of the mixing process, where at least one component (B) and at least one component (A) are mixed simultaneously, and this phase of the mixing process precedes at least one phase of that phase of the mixing process, during which the component (D) is added to the mixture, and optional components (F) and (G) in the form of one or more doses can be added to the mixture during any one or several phases of the mixing process. EFFECT: biodegradable polymer mixtures according to the invention are characterized by improved tensile strength and/or elongation at break. 15 cl, 38 tbl, 8 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 762 161 C2 (51) МПК C08L 67/04 (2006.01) C08L 3/04 (2006.01) C08L 101/16 (2006.01) C08K 5/05 (2006.01) C08K 5/09 (2006.01) C08K 5/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08L 67/04 (2021.02); C08L 3/04 (2021.02); C08L 101/16 (2021.02); C08K 5/05 (2021.08); C08K 5/09 (2021.08); C08K 5/10 (2021.08) (21)(22) Заявка: 2020111722, 08.12.2017 08.12.2017 Дата регистрации: 16.12.2021 13.09.2017 SK PP 92-2017 (43) Дата публикации заявки: 13.10.2021 Бюл. № 29 (45) Опубликовано: 16.12.2021 Бюл. № ...

Compositions comprising very low density polyethylene, ethylene acrylic acid copolymer and thermoplastic starch

Polysaccharide-containing sealing composition

The invention relates to an optionally foamed sealing composition for preformed seals which can swell when treated with water. The invention also relates to a method for the production thereof out of natural rubber and/or elastomers with a matrix comprised of natural rubber/elastomer components and particle-shaped water absorbing material stored therein. The water absorbing material is a combination of (A) polysaccharide(s) selected from cellulose, starch, starch derivatives removed from grafted starch, amylose, amylopectin, dextran, pectin, inulin, chitin, xanthan, alginic acid, alginates, carrageenan, pustulan, callose, laminarin, guluronic acid, pullulan, lichenin or mixtures of the same with (B) a highly water absorbent synthetic polymer selected from polymers based on (meth)acrylate, poly(meth)acrylic acid and the salts thereof, polyacrylamide, polyalcohols or copolymers of said synthetic polymers. The invention also relates to additional cross-linking and processing auxiliary agents and to property improving agents. It is possible to securely seal superstructures, substructures, tunnels and canals with the assistance of the inventive sealing compositions.

一种淀粉基止血粉及其制备方法

本发明公开了一种淀粉基止血粉的制备方法，该方法包括以下步骤：(1)淀粉改性；(2)乳化交联；(3)分离提纯，干燥灭菌。本发明提供了一种淀粉止血粉，制备过程简单、成本可控，以医用级马铃薯淀粉为原料，经过改性处理，乳化交联度高，成球型良好均匀，且具有多孔结构；同时该产品的生物相容性好，生物细胞毒性小，抗菌效果明显；吸液倍数高，且吸液后迅速形成凝胶覆盖与创伤表面，止血效果好，是一种优良的生物医用产品；可用于临床伤口处理，手术防止器官粘连，以及各种创伤出血。

elastomeric compositions, vulcanized product prepared from elastomeric compositions and respective use

COMPOSIÇÕES ELASTOMÉRICAS, PRODUTO VULCANIZADO PREPARADO A PARTIR DE COMPOSIÇÕES ELASTOMÉRICAS E RESPECTIVO USO A presente invenção se refere a composições elastoméricas contendo derivados vegetais, tais como biocargas e derivados de óleo vegetal que atuam como óleos de diluição. Em particular, um objetivo da presente invenção são composições elastoméricas que compreendem pelo menos um elastômero, pelo menos um derivado de óleo vegetal, pelo menos uma biocarga de origem vegetal e pelo menos um agente de acoplamento. ELASTOMERIC COMPOSITIONS, VULCANIZED PRODUCT PREPARED FROM ELASTOMERIC COMPOSITIONS AND THEIR RESPECTIVE USE The present invention relates to elastomeric compositions containing vegetable derivatives, such as biocharges and vegetable oil derivatives that act as dilution oils. In particular, an object of the present invention is elastomeric compositions that comprise at least one elastomer, at least one derived from vegetable oil, at least one biocharge of vegetable origin and at least one coupling agent.

생분해성 수지 조성물 및 이의 제조방법

본 발명은 생분해성 수지 조성물 및 이의 제조방법에 관한 것이고, 이 생분해성 수지 조성물은 글리시딜메타크릴레이트가 그라프트된 생분해성 지방족 폴리에스터 매트릭스 수지 100중량부 및 젤라틴화된 전분 또는 개질전분 10-300중량부를 함유하는 것을 특징으로 한다. 본 발명에 의한 생분해성 수지 조성물 및 이의 제조방법에 의해 완전 분해되어 환경오염을 배제할 수 있으며, 기계적 물성이 우수한 생분해성 수지 조성물을 제공할 수 있다.

Resin composition and packaging material for packaging photosensitive materials

A resin composition comprising a thermoplastic resin, at least one of a lubricant, an antioxidant and an organic nucleating agent, and a dripproofing agent which inhibits and equalizes the bleeding out of the lubricant, antioxidant and organic nucleating agent contained therein, a packaging material for photosensitive materials molded of the above resin composition by injection molding or inflation process, and a container for a photographic film which is made of a polyolefin resin composition comprising a dripproofing substance having antifog action or dripproof action, a lubricant, an antioxidant, and more than 50 wt. % of a polyolefin resin. They inhibit and equalize the bleeding out of the lubricant, etc, and prevent the formation of water drops on the surface.

Resin composition, molding thereof and process for producing the resin composition

Heat- and sound-insulating material from mineral fiber based on nonfenolformaldehyde binder

FIELD: technological processes.SUBSTANCE: invention relates to heat and sound insulating material containing mineral fibers with diameter from 0.5 to 10.0 mcm and binder obtained by hardening of aqueous composition containing polyvinyl alcohol, modified starch and process additives, as well as a combination of two dehydrating agents – basic and additional. Main dehydrating agent is selected from tetrabutoxytitanium, nickel formate or sodium tetraborate, and the additional dehydrating agent is at least one substance selected from silver oxalate, rhenium chloride or mixture of zirconium carbonate and cerium sulphate. Content of dehydrating agents is not more than 0.022 wt%. At that, heat- and sound-insulating material includes, wt%: main dehydrating agent from 0.01 to 0.02, additional dehydrating agent 0.0017, polyvinyl alcohol from 1.2 to 4.0, modified starch from 1.2 to 1.8, dust-retarder from 0.454 to 0.5, hydrophobisating emulsion from 0.435 to 0.5, silane from 0.053 to 0.2 and mineral fiber. Invention also relates to a method of producing said material.EFFECT: invention significantly improves processability and environmental safety of the process of making articles from fibrous material on a naphthene-formaldehyde binder, as well as improves characteristics of the end product.14 cl, 6 tbl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 688 549 C2 (51) МПК C08L 29/04 (2006.01) C08L 3/04 (2006.01) C03C 25/10 (2006.01) D04H 1/64 (2012.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08L 29/04 (2019.02); C08L 3/04 (2019.02); C03C 25/10 (2019.02); D04H 1/64 (2019.02) (21)(22) Заявка: 2017131349, 06.09.2017 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Общество с ограниченной ответственностью "НИКОЛЬ" (RU) Дата регистрации: 21.05.2019 (56) Список документов, цитированных в отчете о поиске: RU 2588239 C2, 10.11.2015. RU (43) Дата публикации заявки: 12.03.2019 Бюл. № 8 (45) Опубликовано: ...

Тепло- и звукоизоляционный материал из минерального волокна на основе нефенолформальдегидного связующего

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 131 349 A (51) МПК C08L 29/04 (2006.01) C08L 3/04 (2006.01) C03C 25/10 (2006.01) D04H 1/64 (2012.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017131349, 06.09.2017 (71) Заявитель(и): Общество с ограниченной ответственностью "НИКОЛЬ" (RU) Приоритет(ы): (22) Дата подачи заявки: 06.09.2017 (43) Дата публикации заявки: 12.03.2019 Бюл. № Адрес для переписки: 125047, Москва, ул. Лесная, 7, БЦ "Белые Сады", АО "Дентонс Юроп" (57) Формула изобретения 1. Тепло- и звукоизоляционный материал, содержащий: минеральные волокна диаметром от 0,5 до 10,0 мкм в количестве от 92,0 до 98,0 мас. R U связующее в количестве от 0,95 до 7,00 мас. %, полученное отверждением водной композиции, содержащей поливиниловый спирт в количестве от 0,72 до 4,00 мас. %, модифицированный крахмал в количестве от 0,01 до 3,00 мас. % и технологические добавки в эффективном количестве, представляющие собой силан, масляный обеспыливатель и гидрофобизирующую эмульсию, причем водная композиция связующего также содержит комбинацию основного и дополнительного дегидратирующих агентов в количестве от 0,007 до 0,022 мас. %, причем основной дегидратирующий агент представляет собой по меньшей мере одно вещество, выбранное из тетрабутоксититана, формиата никеля и тетрабората натрия, а дополнительный дегидратирующий агент представляет собой по меньшей мере одно вещество, выбранное из пригодных неорганических солей серебра, рения, циркония и церия. 2. Материал по п. 1, в котором дополнительный дегидратирующий агент представляет собой оксалат серебра или нитрат серебра. 3. Материал по п. 1, в котором дополнительный дегидратирующий агент представляет собой хлорид рения. 4. Материал по п. 1, в котором дополнительный дегидратирующий агент представляет собой карбонат циркония. 5. Материал по п. 1, в котором дополнительный дегидратирующий агент представляет собой сульфат церия. 6. Материал по п. 1, в котором массовое ...

Polymeric films

packaging for anaerobic products

a presente invenção refere-se a uma embalagem compreendendo: um recipiente, o recipiente tendo um corpo recipiente, e o corpo recipiente sendo suficientemente permeável a oxigênio para prevenir que uma composição anaerobicamente curável mantida no mesmo seja curada devido à ausência de oxigênio; e uma composição anaerobicamente curável mantida dentro do recipiente. o corpo recipiente é construído de um material plástico que é formado de uma mistura de um componente de amido termoplástico e um polietileno. The present invention relates to a package comprising: a container, the container having a container body, and the container body being sufficiently oxygen permeable to prevent an anaerobically curable composition retained therein from curing due to the absence of oxygen; and an anaerobically curable composition maintained within the container. The container body is constructed of a plastics material which is formed of a mixture of a thermoplastic starch component and a polyethylene.

Matt film or sheet

Lecithin-containing starch compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties

The present disclosure relates to compositions consisting essentially of starch and lecithin. The disclosure also relates to processes for preparing the compositions consisting essentially of a starch and lecithin. Further, the disclosure relates to uses of compositions consisting essentially of starch and lecithin, or compositions comprising starch and lecithin, in the preparation of paper products that have oil and grease resistant properties, and/or release properties. Further, the disclosure relates to paper products that include lecithin-containing compositions and to paper products resulting from the processes herein.

Lecithin-starches compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties

The present disclosure relates to lecithin containing starch compositions. The disclosure also relates to processes for preparing the lecithin-containing starch compositions. Further, the disclosure relates to uses of the lecithin-containing compositions in the preparation of paper products that have oil and grease resistant properties, and/or have release properties. Further, the disclosure relates to paper products that include lecithin-containing compositions and to paper products resulting from the processes herein.

Lecithin-starches compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties

The present disclosure relates to lecithin containing starch compositions. The disclosure also relates to processes for preparing the lecithin-containing starch compositions. Further, the disclosure relates to uses of the lecithin-containing compositions in the preparation of paper products that have oil and grease resistant properties, and/or have release properties. Further, the disclosure relates to paper products that include lecithin-containing compositions and to paper products resulting from the processes herein.

Lecithin-containing starch compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties

The present disclosure relates to compositions consisting essentially of starch and lecithin. The disclosure also relates to processes for preparing the compositions consisting essentially of a starch and lecithin. Further, the disclosure relates to uses of compositions consisting essentially of starch and lecithin, or compositions comprising starch and lecithin, in the preparation of paper products that have oil and grease resistant properties, and/or release properties. Further, the disclosure relates to paper products that include lecithin-containing compositions and to paper products resulting from the processes herein.

Water-sensitive biodegradable film

A film that is biodegradable and water-sensitive (e.g., water-soluble, water-dispersible, etc.) in that it loses its integrity over time in the presence of water is provided. More specifically, the film contains a combination of a biodegradable polyester and a water-sensitive thermoplastic starch. The desired water-sensitive attributes of film may be achieved in the present invention by selectively controlling a variety of aspects of the film construction, such as the nature of the components employed, the relative amount of each component, the manner in which the film is formed, and so forth.

Thermoplastic starch for use in melt-extruded substrates

A melt-extruded substrate (e.g., film, nonwoven web, etc.) that contains a thermoplastic starch formed from a starch and plasticizer is provided. The starch and plasticizer are melt blended together in the presence of a weak organic acid (e.g., lactic acid, formic acid, acetic acid, etc.). By selectively controlling certain parameters of the melt blending process (e.g., extrusion temperature, content of the components, etc.), the present inventors have discovered that the starch may be hydrolyzed in a highly efficient manner to form compositions having a comparably lower weight average molecular weight, polydispersity index, and viscosity, which are particularly suitable for use in the formation of melt-extruded substrates.

Biodegradable packaging film

A biodegradable packaging film is provided. The film is formed from a blend that contains a thermoplastic starch and polylactic acid. Starch is a relatively inexpensive natural polymer that is also renewable and biodegradable. Polylactic acid is likewise an inexpensive synthetic polymer that is biodegradable and renewable, yet also capable of providing increased tensile strength to the film. Although providing a good combination of biodegradability/renewability and increased tensile strength, the polylactic acid is also relatively rigid and can result in films having a relatively high stiffness (e.g., high modulus of elasticity) and low ductility. While more ductile than polylactic acid, the thermoplastic starch is often difficult to melt process in film forming processes and very sensitive to moisture and water vapor, reducing its ability to be used as a stand alone packaging film. In an effort to counteract the effect of such polymers, an aliphatic-aromatic copolyester is also employed in the blend of the present invention. While such copolyesters are biodegradable, they also possess the melt properties and ductility that lend them well to the formation of films. Although the combination of these polymers may achieve a good balance between biodegradability/renewability, high tensile strength, and good ductility (e.g., high peak elongation), it is still often difficult to achieve a precise set of mechanical properties as desired for packaging films. In this regard, the blend also contains a filler. Due to its rigid nature, the amount of the filler may be readily adjusted to fine tune the blend to the desired degree of ductility (e.g., peak elongation) and stiffness (e.g., modulus of elasticity).

Methods of using polysaccharide based cement additives

A method of servicing a wellbore comprising introducing to the wellbore a wellbore servicing fluid comprising an additive composition comprising a polysaccharide having carboxylate and sulfonate groups. A method of servicing a wellbore comprising preparing at the well site an additive composition comprising a polysaccharide having carboxylate and sulfonate groups,introducing the additive composition into a wellbore servicing fluid, and placing the wellbore servicing fluid into a subterranean formation. A method of preparing a wellbore servicing fluid comprising contacting a polysaccharide composition with an oxidizing agent to form an oxidized polysaccharide, and contacting the oxidized polysaccharide with a sulfonating agent to form a carboxylated sulfonated polysaccharide, and contacting the carboxylated sulfonated polysaccharide with a wellbore servicing fluid.

Methods of using polysaccharide based cement additives

A method of servicing a wellbore comprising introducing to the wellbore a wellbore servicing fluid comprising an additive composition comprising a polysaccharide having carboxylate and sulfonate groups. A method of servicing a wellbore comprising preparing at the well site an additive composition comprising a polysaccharide having carboxylate and sulfonate groups, introducing the additive composition into a wellbore servicing fluid, and placing the wellbore servicing fluid into a subterranean formation. A method of preparing a wellbore servicing fluid comprising contacting a polysaccharide composition with an oxidizing agent to form an oxidized polysaccharide, and contacting the oxidized polysaccharide with a sulfonating agent to form a carboxylated sulfonated polysaccharide, and contacting the carboxylated sulfonated polysaccharide with a wellbore servicing fluid.

Methods of using polysaccharide based cement additives

A method of servicing a wellbore comprising introducing to the wellbore a wellbore servicing fluid comprising an additive composition comprising a polysaccharide having carboxylate and sulfonate groups. A method of servicing a wellbore comprising preparing at the well site an additive composition comprising a polysaccharide having carboxylate and sulfonate groups, introducing the additive composition into a wellbore servicing fluid, and placing the wellbore servicing fluid into a subterranean formation. A method of preparing a wellbore servicing fluid comprising contacting a polysaccharide composition with an oxidizing agent to form an oxidized polysaccharide, and contacting the oxidized polysaccharide with a sulfonating agent to form a carboxylated sulfonated polysaccharide, and contacting the carboxylated sulfonated polysaccharide with a wellbore servicing fluid.

Patent RU2017107024A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 107 024 A (51) МПК B29D 22/00 (2006.01) B65D 35/08 (2006.01) B65D 83/00 (2006.01) C08J 5/00 (2006.01) C08L 3/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017107024, 06.08.2014 (71) Заявитель(и): ХЕНКЕЛЬ АйПи ЭНД ХОЛДИНГ ГМБХ (DE) Приоритет(ы): (22) Дата подачи заявки: 06.08.2014 (43) Дата публикации заявки: 07.09.2018 Бюл. № R U 25 (72) Автор(ы): ПИТЕР О'Салливан (IE) (85) Дата начала рассмотрения заявки PCT на национальной фазе: 06.03.2017 (86) Заявка PCT: (87) Публикация заявки PCT: A WO 2016/019998 (11.02.2016) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" R U (57) Формула изобретения 1. Упаковка, включающая: a. контейнер, имеющий корпус контейнера, при этом корпус контейнера является достаточно кислородопроницаемым для предотвращения отверждения вследствие отсутствия кислорода содержащейся внутри него анаэробно отверждающейся композиции; и b. анаэробно отверждающуюся композицию, содержащуюся внутри контейнера; при этом корпус контейнера изготовлен из пластмассового материала, который образован из смеси термопластического крахмального компонента и полиэтилена. 2. Упаковка по п. 1, в которой источник крахмала в термопластическом крахмальном компоненте представляет собой возобновляемый источник. 3. Упаковка по п. 1 или 2, в которой крахмал в термопластическом крахмальном компоненте присутствует в количестве от 6% до 33% от массы смеси, используемой для изготовления корпуса контейнера. 4. Упаковка по любому из предшествующих пунктов, в которой крахмал в термопластическом крахмальном компоненте присутствует в количестве от 13% до 32% от массы смеси, используемой для изготовления корпуса контейнера. 5. Упаковка по любому из предшествующих пунктов, в которой крахмал в термопластическом крахмальном компоненте присутствует в количестве от 20% до Стр.: 1 A 2 0 1 7 1 0 7 0 2 4 (54) УПАКОВКА ДЛЯ ...

POLYESTER AND THERMOPLASTIC STARCH COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES

L'invention a pour objet une composition comprenant : • au moins un polyester (A) aliphatique comprenant des diols contenant au moins l'éthylène glycol, le 1,4-butanediol ou leurs mélanges et des diacides contenant au moins l'acide succinique, l'acide adipique ou leurs mélanges ; • au moins un amidon (B) ; • au moins un plastifiant organique (C) de l'amidon ; • optionnellement un polyester additionnel ou un mélange de polyesters additionnels (D) différents du polyester (A) ; caractérisée en ce que la composition comprend en outre de l'acide citrique (E), la quantité massique d'acide citrique allant de 0,01 à 0,45 parts par rapport à 100 parts de la masse sèche totale de (A), (B), (C) et (D). The subject of the invention is a composition comprising: at least one aliphatic polyester (A) comprising diols containing at least ethylene glycol, 1,4-butanediol or mixtures thereof and diacids containing at least succinic acid, adipic acid or mixtures thereof; At least one starch (B); At least one organic plasticizer (C) of the starch; Optionally an additional polyester or a mixture of additional polyesters (D) different from the polyester (A); characterized in that the composition further comprises citric acid (E), the mass quantity of citric acid ranging from 0.01 to 0.45 parts relative to 100 parts of the total dry mass of (A), (B), (C) and (D).

Matte film or sheet

A single-layer matte film or sheet which comprises a filler and a biodegradable resin (A) comprising a blend of a biodegradable polyester (a1) having a glass transition temperature Tg of 10°C or lower and a biodegradable polyester (a2) having a glass transition temperature Tg of 30°C or higher, and in which at least one side thereof has a surface gloss (45-degree gloss) as measured in accordance with ASTM-D2457-70 of 60% or lower.

Matte film or sheet

A single-layer matte film or sheet which comprises a filler and a biodegradable resin (A) comprising a blend of a biodegradable polyester ( a 1) having a glass transition temperature Tg of 10° C. or lower and a biodegradable polyester ( a 2) having a glass transition temperature Tg of 30° C. or higher, and in which at least one side thereof has a surface gloss (45-degree gloss) as measured in accordance with ASTM-D2457-70 of 60% or lower.

Resin composition, molded product from resin composition and method for preparing resin composition

Disclosed is a biodegradable resin composition containing at least one biodegradable organic high molecular compound, a flame retardant additive containing a phosphorus-containing compound, and a hydrolysis suppressing agent suppressing the hydrolysis of the at least one biodegradable organic high molecular compound. An aliphatic polyester resin is polylactic acid, polycaprolactone, polyhydroxy lactic acid, polyhydroxy valeric acid, polyethylene succinate, polybutylene succinate, polybutylene adipate, polymalic acid, polyesters synthesized by fermentation, or a copolymer containing at least one of them. A polysaccharide is cellulose, starch, chitin, chitosan, dextrane, a derivative of at least one of them, or a copolymer containing at least one of them.

Compositions comprising thermoplastic starch

The invention relates to a composition comprising very low density polyethylene having a density of less than 0.905 g/cm 3 , ethylene acrylic acid copolymer and thermoplastic starch and/or the constituent components thereof.

Polybutylene terephthalate resin composition and molded product prepared therefrom

An embodiment relates to a polybutylene terephthalate resin composition and a molded article manufactured from the same, wherein the resin composition has improved processability to reduce fluidity change according to processing conditions, and to minimize decomposition of polybutylene terephthalate during processing, thereby greatly reducing the amount of gas generated during injection molding to lower a failure rate.

Resin composition and method for producing same

Thermoplastic Starch for Use in Melt-Extruded Substrates

A melt-extruded substrate (e.g., film, nonwoven web, etc.) that contains a thermoplastic starch formed from a starch and plasticizer is provided. The starch and plasticizer are melt blended together in the presence of a weak organic acid (e.g., lactic acid, formic acid, acetic acid, etc.). By selectively controlling certain parameters of the melt blending process (e.g., extrusion temperature, content of the components, etc.), the present inventors have discovered that the starch may be hydrolyzed in a highly efficient manner to form compositions having a comparably lower weight average molecular weight, polydispersity index, and viscosity, which are particularly suitable for use in the formation of melt-extruded substrates.

Biodegradable Packaging Film

A biodegradable packaging film is provided. The film is formed from a blend that contains a thermoplastic starch and polylactic acid. Starch is a relatively inexpensive natural polymer that is also renewable and biodegradable. Polylactic acid is likewise an inexpensive synthetic polymer that is biodegradable and renewable, yet also capable of providing increased tensile strength to the film. Although providing a good combination of biodegradability/renewability and increased tensile strength, the polylactic acid is also relatively rigid and can result in films having a relatively high stiffness (e.g., high modulus of elasticity) and low ductility. While more ductile than polylactic acid, the thermoplastic starch is often difficult to melt process in film forming processes and very sensitive to moisture and water vapor, reducing its ability to be used as a stand alone packaging film. In an effort to counteract the effect of such polymers, an aliphatic-aromatic copolyester is also employed in the blend of the present invention. While such copolyesters are biodegradable, they also possess the melt properties and ductility that lend them well to the formation of films. Although the combination of these polymers may achieve a good balance between biodegradability/renewability, high tensile strength, and good ductility (e.g., high peak elongation), it is still often difficult to achieve a precise set of mechanical properties as desired for packaging films. In this regard, the blend also contains a filler. Due to its rigid nature, the amount of the filler may be readily adjusted to fine tune the blend to the desired degree of ductility (e.g., peak elongation) and stiffness (e.g., modulus of elasticity).

一种可降解淀粉基生鲜食品包装片材原料及其制作方法

本发明公开了一种可降解淀粉基生鲜食品包装片材原料及其制作方法。所述一种可降解淀粉基生鲜食品包装片材原料，由以下重量份的原料制成：淀粉料：99‑120份；填充料：1‑2份；塑化剂：2‑3份。本发明具有以下有益效果：由97.5%的淀粉材料制作而成，降解后残余小，对环境污染小，分解速度快，在充分照射或埋入土下可在6‑8天完成降解，拉伸强度：30Mpa；断裂伸长率:280%，抗水性强，在水中浸泡12小时后拉伸强度：16Mpa；断裂伸长率:160%。

Compostable, degradable plastic compositions and articles thereof

The present invention relates to thermoplastic compositions which are degradable and/or compostable, the method of preparation of the degradable and/or compostable compositions and use of the degradable and/or compostable compositions in a monofilament, shaped article or film, or may be used as a coating, e.g., of paper, to achieve a stronger article. These compositions have the advantage over existing biodegradable and compostable compositions by exhibiting a higher dimensional stability and comparatively low cost.

Degradable polymer composition

A degradable polymer composition essentially consisting of a mixture of a thermoplastic polymer composition primarily comprising polylactic acid or lactic acid-hydroxycarboxylic acid copolymer and one or more substance selected from starch and modified starch, and is a degradable polymer which does not cause problems such as environmental pollution and can be used for films, filaments and packaging materials, food packaging materials in particular.

Matte Film or Sheet

A single-layer matte film or sheet which comprises a filler and a biodegradable resin (A) comprising a blend of a biodegradable polyester ( a 1) having a glass transition temperature Tg of 10° C. or lower and a biodegradable polyester ( a 2) having a glass transition temperature Tg of 30° C. or higher, and in which at least one side thereof has a surface gloss (45-degree gloss) as measured in accordance with ASTM-D2457-70 of 60% or lower.

Matte film or sheet

Biodegradable packaging film

A kind of degradable biological film and preparation method thereof

本发明提供了一种可降解生物薄膜，包括依次设置的内层薄膜、中间层薄膜与外层薄膜；所述外层薄膜由50～75重量份的第一聚合物、15～20重量份的第一改性淀粉与10～17重量份的第一添加剂形成；所述中间层薄膜由45～65重量份的第二聚合物、20～30重量份的第二改性淀粉与10～17重量份的第二添加剂形成；所述内层薄膜由50～70重量份的第三聚合物、15～25重量份的第三改性淀粉与10～17重量份的第三添加剂形成；且所述外层薄膜与中间层薄膜的材料成分配比不相同。与现有技术相比，本发明可降解生物薄膜在热封处具有较高的平整度，且在提高淀粉含量的同时降低了成本，也保持了较高的物理性能。