Fibrous Wound Filler Material for Negative Pressure Wound Therapy

An apparatus for promoting the healing of an exuding wound includes a wound cover for defining a reservoir over a wound in which a negative pressure may be maintained. The cover may form a substantially fluid-tight seal around the wound and permit fluid communication between the reservoir and a vacuum source suitable for providing an appropriate negative pressure to the reservoir to stimulate healing of the wound. A wound filler positioned between the wound and the wound cover includes a nonwoven material at least partially perforated by sonic welding.

MULTILAYERED CONTAINER EXCELLENT IN OXYGEN-BARRIER PROPERTY

A multilayered container with excellent heat resistance which is obtained by melt molding and has an interlayer made of an oxygen-absorbing barrier resin composition. The multilayered container comprises inner and outer layers comprising an olefin resin and, sandwiched between the inner and outer layers, an interlayer made of an oxygen-absorbing barrier resin composition. The multilayered container is one formed by melt molding. In thermal analysis of a container barrel part, it has a quantity of heat of isothermal crystallization after heating from 30° C. to 130° C. at 100° C./min of 0.5 J/g or larger. In the analysis, the barrel part, after cooling from 200° C. to 130° C. at 100° C./min, gives an isothermal crystallization profile in which the time period to a peak top is shorter than that in a multilayered container including an interlayer consisting only of the base resin (oxygen-barrier resin) constituting the oxygen-absorbing barrier resin composition. 14.-. (canceled)5. A method of forming a multilayered container made of a flange portion , a body portion and a bottom portion comprising:providing an inner layer comprising an olefin resin;providing an outer layer comprising an olefin resin;blending an oxidizable polymer having unsaturated ethylenic bonds with a base resin to form an oxygen-absorbing barrier resin composition;providing an intermediate layer between the inner layer and the outer layer, wherein said intermediate layer consists of said oxygen-absorbing barrier resin composition; andmelt-molding the multilayered container at a temperature not less than 160° C. by using a plug assisted vacuum-pressure forming machine;wherein a thermal analysis of a body portion of the container shows that an amount of heat released during isothermal crystallization after the temperature is raised from 30° C. to 130° C. at 100° C/min and held for 30 minutes is 0.5 J/g or more, and that time taken from completion of temperature reduction from 200° C. to 130° C. at 100 ...

Method for producing polyethylene-based resin extruded foam sheet, polyethylene-based resin extruded foam sheet, and plate interleaf sheet using the same for glass sheets

Provided is a method for producing a polyethylene-based resin extruded foam sheet by extruding and foaming a foamable molten resin composition formed by kneading a mixture containing a low-density polyethylene, a physical blowing agent, and an antistatic agent, wherein the foam sheet has a thickness in a range of from 0.05 to 0.5 mm, and the antistatic agent is a polymeric antistatic agent having a melting point whose different from the melting point of the low-density polyethylene is in a range of from −10 to +10° C., and having a melt flow rate of 10 g/10 min or more. This method enables a novel polyethylene-based resin extruded foam sheet to be obtained that is of high quality such that formation of a small hole or a through-hole has been reduced or eliminated, and has both excellent strength and a shock-absorbing property despite a very small thickness even in medium- or long-term continuous production, and besides, exhibits a sufficient antistatic property, thus suitable as a glass plate interleaf sheet.

METHOD OF MANUFACTURING A FOLDING MAT AND A FOLDING MAT MADE BY THE SAME

A method of manufacturing a folding mat includes: suctioning a first film onto a lower mold, in which a downwardly concave slit groove is formed at one end of a cavity such that a portion of the first film forms a unit fold part; inserting the unit filler over the first film; disposing a second film on an upper side of the lower mold to cover the unit filler; attaching the edge parts of the first and the second films together by using an upper mold mating with the lower mold; trimming an attachment part of the unit mats thus fabricated; fusing the unit fold part of the unit mat with the unit fold part of an adjacent unit mat; and fusing the attachment part of one of the two unit mats thus connected with the attachment part or the unit fold part of another unit mat. 1. A method of manufacturing a folding mat , the folding mat comprising a plurality of unit mats , each of the unit mats comprising a unit filler shaped as a quadrilateral block and a unit outer skin enveloping the unit filler , the plurality of unit mats stacked in a zigzag form by way of a first and a second fold part formed on an upper end on one side and a lower end on the other side of the unit outer skin , the method comprising:suctioning a first film onto a lower mold, the lower mold having a downwardly concave slit groove extending in a lengthwise direction at one end of a bottom surface of a quadrilateral cavity formed therein, the first film suctioned to be in tight contact with the bottom surface of the cavity, an inner wall of the slit groove, and an entrance periphery of the slit groove, such that a portion of the first film placed in tight contact with the slit groove forms a unit fold part;inserting the unit filler over the first film placed in tight contact with the cavity of the lower mold;disposing a second film on an upper side of the lower mold to cover the unit filler, the second film disposed such that an edge part of the second film overlaps an edge part of the first film positioned ...

NET REPLACEMENT FILM

The present invention relates to a prestretched polyethylene film having a longitudinal stretch ratio of from about 1:2 to about 1:4 and having a longitudinal elongation capability of at least 170%, said elongation capability comprising an elastic component. The invention also relates to a method for producing said film and to a method of wrapping compressed bulk material such as a round bale using said film, the method comprising further stretching the prestretched film and applying the film around the compressed bulk material in direct contact therewith. The film according to the invention may be used as a net replacement film and allows increasing the efficiency and the economics in the baling process by allowing faster baling, use of a lesser amount of wrapping film and/or improved protection of the product. 115-. (canceled)16. A method for wrapping a compressed bulk material , comprising:providing a prestretched polyethylene film having a first longitudinal stretch ratio of about 1:2 to about 1:4 and a longitudinal elongation capability of at least 190%, the longitudinal elongation capability comprising an elastic component;compressing a bulk material in a chamber to form a bale of the compressed bulk material;further stretching the prestretched polyethylene film to a second longitudinal stretch ratio of 1:1.02 to 1:2.5 relative to a length of the prestretched polyethylene film to obtain a further stretched film;applying the further stretched film under tension around the bale and in direct contact with the compressed bulk material; andwrapping the further stretched film under tension at least 1.5 turns around the bale to obtain a wrapped bale such that substantially no expansion of the wrapped bale occurs when removed from the chamber.17. The method of claim 16 , wherein the compressed bulk material is further compressed by the further stretched film.18. The method of claim 16 , wherein the compressed bulk material is a round bale having an envelope surface ...

SUPPORT FABRICATION TECHNIQUES IN THREE-DIMENSIONAL PRINTING

The strength of a bond between two adjacent layers of a three-dimensional print is weakened by initiating fabrication of a top layer at a height greater than the processing height for the print. This technique may be used in particular at the interface between a raft or other support and an object being fabricated, after which the printing process may return to a regular process height for additional layers used to fabricate the remainder of the object. 1. A computer program product for operating a three-dimensional printer comprising non-transitory computer executable code embodied in a non-transitory computer-readable medium that , when executing on one or more computing devices , performs the steps of:determining a processing height for depositing each of a plurality of layers in a three-dimensional print;fabricating a support for an object in the three-dimensional print including fabricating a top layer of the support on a plurality of intermediate layers of the support, the top layer fabricated at a distance from an underlying intermediate layer no greater than the processing height;fabricating an initial layer of the object on the top layer of the support with an exit port of an extruder at a first height, wherein the initial layer is extruded at a distance from the top layer greater than the processing height, thereby forming a relatively weak bond between the top layer of the support and the initial layer of the object; andfabricating a subsequent layer of the object on the initial layer of the object, wherein the subsequent layer is extruded at a distance no greater than the processing height from a top of the initial layer of the object such that the extruder is closer to the initial layer of the object when forming the subsequent layer of the object than the extruder was to the top layer of the support when forming the initial layer of the object, thereby forming a relatively strong bond between the initial layer of the object and the subsequent layer of ...

Aluminium barrier laminate and barrier liner at shoulder for container

A laminate sheet, particularly an aluminium-based laminate comprises polyethylene having a density of 0.90-0.96 g/cc, a polyethylene-based film having a melting temperature of less than 240° C.; low density polyethylene in order to provide high adhesion; an aluminium barrier film, and a polyethylene-based film having a sealing property. Furthermore, the laminate sheet may further comprise a blown film or a dry laminate for making a tube and a tube shoulder in order to prevent flavor loss of the products packaged therein and without stress crack.

Preparation Method for Hollow Radiator and Hollow Radiator

The present invention discloses a preparation method for a hollow radiator and a hollow radiator. The preparation method comprises the following steps: 1) providing a feed and an insert raw material; 2) molding the insert raw material into an insert; 3) placing the insert in a cavity of a mold, and filling the cavity with the feed by injection molding in such a manner that the insert is surrounded by the feed, thereby obtaining a green body with the insert; 4) performing debinding treatment on the green body with the insert to remove the insert, thereby obtaining the green body of a hollow structure; and 5) sintering the green body to obtain the hollow radiator. By the preparation method for a hollow radiator according to the present invention, a radiator of a complex hollow structure can be fabricated, and the heat dissipation effect of the radiator can be improved. Moreover, the airtightness and leakproofness of the radiator can be guaranteed for a long time.

Anisotropic polymeric material

A polymeric material having anisotropic properties, such as mechanical properties (e.g., modulus of elasticity), thermal properties, barrier properties (e.g., breathability), and so forth, is provided. The anisotropic properties can be achieved for a single, monolithic polymeric material through selective control over the manner in which the material is formed. For example, one or more zones of the polymeric material can be strained to create a unique network of pores within the strained zone(s). However, zones of the polymeric material that are not subjected to the same degree of deformational strain will not have the same pore volume, and in some cases, may even lack a porous network altogether.

Breathable films and method for making

The present invention relates to a cold-drawn breathable film formed from a blend of a soft polymer component and a hard polymer component. The soft polymer component (SPC) is a copolymer of a major olefinic monomer and a minor olefinic monomer. The major olefinic monomer is either ethylene or propylene and forms the majority of the SPC. Preferred films after cold-drawing exhibit a water vapor transmission rate (WVTR) of at least 100 g-mil/m 2 -day.

High integrity polyester strapping

Polyester strapping made from polyester and less than 3 % by weight of a polyolefn additive exhibits improved resistance to longitudinal splitting when the strapping is later placed under tension in packaging reinforcement applications. The polyolefin improves the longitudinal split resistance of the strapping without facilitating unwanted longitudinal stretch of the polyester strapping when under tension. The polyolefin additive may be combined with other conventional additives, or may be used alone in order to minimize costs.

Fibrous Wound Filler Material for Negative Pressure Wound Therapy

An apparatus for promoting the healing of an exuding wound includes a wound cover for defining a reservoir over a wound in which a negative pressure may be maintained. The cover may form a substantially fluid-tight seal around the wound and permit fluid communication between the reservoir and a vacuum source suitable for providing an appropriate negative pressure to the reservoir to stimulate healing of the wound. A wound filler positioned between the wound and the wound cover includes a nonwoven material at least partially perforated by sonic welding.

BREATHABLE FILM AND METHOD FOR THE PRODUCTION THEREOF

Multilayered barrier structures

Multilayered barrier structures comprising a gas barrier layer of a non-chlorine containing organic polymer which is substantially impermeable to oxygen gas and a moisture barrier layer of a mesophase propylene-based material are provided. These structures are environmentally compatible and radiation resistant, and exhibit one or more additional properties, including gas barrier properties, moisture barrier properties, toughness, heat sealability, softness, and quietness during wrinkling. Also provided are methods of preparing and using such multilayered barrier structures, and articles, such as films, pouches, and tubings, formed from these structures.

Method of using a multilayered barrier structure

Multilayered barrier structures containing a gas barrier layer of a non-chlorine containing organic polymer which is substantially impermeable to oxygen gas and a moisture barrier layer of a mesophase propylene-based material are provided. These structures are environmentally compatible and radiation resistant, and exhibit one or more additional properties, including gas barrier properties, moisture barrier properties, toughness, heat sealability, softness, and quietness during wrinkling. Also provided are methods of preparing and using such multilayered barrier structures, and articles, such as films, pouches, and tubings, formed from these structures.

聚酯基带、生产所述带的方法及其用途

本发明涉及一种带，所述带包含：(i)约75重量%～约99.9重量%的热塑性聚酯；(ii)约0.1重量%～约25重量%的线性低密度聚乙烯；和(iii)0重量%～约5重量%的其他组分，所述带具有5μm～300μm的厚度和0.5mm～7mm的宽度。这种带在切开之后不双股绞合且不粘附到其他带上，具有非常好的机械性质。当对所述带进行卷绕时，能够得到具有规则形状的线轴。

Plastic film having oxygen absorption function, and infusion package

FIELD: medicine, pharmaceutics. SUBSTANCE: invention refers to chemical-pharmaceutical industry, particularly to a plastic film for medical containers, having the oxygen absorption function, comprising at least four layers. The film is prepared by co-extrusion. Also, the invention refers to an infusion package made of the above film. The film includes: a first layer (1) consisting of polyamide, a second layer (2) of blend composition, which is adjacent to the first layer and comprises an ethylene - vinyl alcohol copolymer, and an a-olefin - unsaturated carboxylic acid anhydride or unsaturated dicarboxylic acid monomer copolymer as a main ingredient, and a transition metal salt and a polymer containing an unsaturated double bond, as additives, and a third layer (3) which is adjacent to the second layer and comprises an α-olefin - unsaturated carboxylic acid monomer - unsaturated dicarboxylic acid anhydride copolymer as a main ingredient, and a sealing layer (4) comprising polyethylene as the main ingredient. EFFECT: preparing the plastic film for medical containers having the oxygen absorption function, comprising at least four layers. 15 cl, 1 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 496 466 (13) C1 (51) МПК A61J B29C B32B B32B B32B B65D 1/10 47/06 27/28 27/32 27/34 65/40 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2012120476/15, 02.11.2010 (24) Дата начала отсчета срока действия патента: 02.11.2010 (73) Патентообладатель(и): ХОСОКАВА ЙОКО КО., ЛТД. (JP) (45) Опубликовано: 27.10.2013 Бюл. № 30 C 1 2 4 9 6 4 6 6 C 1 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.06.2012 (86) Заявка PCT: JP 2010/069477 (02.11.2010) (87) Публикация заявки РСТ: WO 2011/052776 (05.05.2011) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры" (54) ПЛАСТМАССОВАЯ ПЛЕНКА, ИМЕЮЩАЯ ...

Anisotropic polymeric material

기계적 특성(예, 탄성계수), 열적 특성, 장벽 특성(예, 통기성) 등과 같은 이방성을 갖는 중합체 물질이 제공된다. 이방성 특성은 물질이 형성되는 방식에 대한 선택적 제어를 통해 하나의, 단일체(monolithic) 중합체 물질에 대해 달성될 수 있다. 예를 들면, 중합체 물질의 하나 이상의 구역이 변형되어서 변형된 구역(들) 내부에 독특한 포어 망을 생성할 수 있다. 그러나, 동일한 정도의 응력 변형을 받지 않는 중합체 물질의 구역들은 동일한 포어 부피를 갖지 않을 것이며, 어떤 경우에는 심지어 다공성 망이 완전히 부재할 수도 있다. Polymeric materials having anisotropy such as mechanical properties (eg, modulus of elasticity), thermal properties, barrier properties (eg, breathability), and the like are provided. Anisotropic properties can be achieved for a single, monolithic polymeric material through selective control over how the material is formed. For example, one or more regions of the polymeric material can be deformed to create a unique pore network within the deformed region(s). However, regions of the polymeric material that are not subjected to the same degree of strain will not have the same pore volume, and in some cases may even be completely absent from the porous network.

注射成型制品和用于制备注射成型制品的方法

本发明公开了一种注射成型制品和用于制备注射成型制品的方法，所述注射成型制品由树脂组合物制成，所述树脂组合物包含15至40质量%的超高分子量聚乙烯纤维和60至85质量%的热塑性树脂，此处以所述超高分子量聚乙烯纤维和所述热塑性树脂的总质量为100质量%，所述热塑性树脂在230℃的温度和21.2N的负荷下测得的熔体流动速率为70至500g/10min，并且用差示扫描量热计测得的熔融峰温度低于160℃，其中，所述注射成型制品满足以下要求：本征体积电阻率为1.0×10 15 Ω·cm以上，热导率为1W/m·K以上，且比重为1.2以下。该制品在刚性、抗冲击性、电绝缘性和热传导性方面是高的。

High integrity polyester strapping

Polyester strapping made from polyester and less than 3% by weight of a polyolefn additive exhibits improved resistance to longitudinal splitting when the strapping is later placed under tension in packaging reinforcement applications. The polyolefin improves the longitudinal split resistance of the strapping without facilitating unwanted longitudinal stretch of the polyester strapping when under tension. The polyolefin additive may be combined with other conventional additives, or may be used alone in order to minimize costs.

Plastic parts made from plastics having different melting points and a method of manufacturing same

A method of recycling a mixed plastic waste comprising plastics having different melting temperatures includes conveying the mixed plastic waste through an extruder such that at least some of the higher melting point plastic is passes through the extruder without melting and is present in the extrudate as solid material.

Modified polyolefin fiber

Fibers prepared by spinning, drawing and drying dilute solutions of ultrahigh molecular weight polyethylene or polypropylene are modified by including in the dilute solution a polymeric additive. The polyethylene fibers so prepared have melting points above 140° C. and exhibit improved adherence to matrices, resistance to fibrillation and other advantageous properties. Additives include lower molecular weight polyolefins, oxidized polyolefins, olefin copolymers, polyolefin graft copolymers and polyoxymethylenes.

For the label film of deep-draw method

本发明涉及包括至少五个层的多层双轴取向聚烯烃薄膜作为深拉中的标签的用途，该薄膜由以下层构成：I基础层没有空泡，以及IIa外部中间层没有空泡并且包含至少95wt％的丙烯聚合物，该聚合物具有相对于丙烯聚合物计98至100wt％的丙烯含量，以及IIIa外部覆盖层是能被印刷的，和IIb内部中间层基本由丙烯聚合物构成，并且其包含空泡，和IIIb内部覆盖层施加在内部中间层的表面上并为可密封的覆盖层，和具有＜130℃的密封起始温度。

冷拉伸膜

本发明涉及一种从软聚合物组分和硬聚合物组分的共混物形成的冷拉伸透气膜。软聚合物组分(SPC)是主要烯烃单体和少量烯烃单体的共聚物。主要烯烃单体是乙烯或丙烯并形成SPC的大部分。在冷拉伸之后优选的膜显示至少为100g－密耳/m 2 －天的水汽透过率(WVTR)。

Anisotropic polymeric material

A polymeric material having anistotropic properties, such as mechanical properties (e.g., modulus of elasticity), thermal properties, barrier properties (e.g., breathability), and so forth, is provided. The anisotropic properties can be achieved for a single, monolithic polymeric material through selective control over the manner in which the material is formed. For example, one or more zones of the polymeric material can be strained to create a unique network of pores within the strained zone(s). However, zones of the polymeric material that are not subjected to the same degree of deformational strain will not have the same pore volume, and in some cases, may even lack a porous network altogether.

Anisotropic polymeric material

A polymeric material having anistotropic properties, such as mechanical properties (e.g., modulus of elasticity), thermal properties, barrier properties (e.g., breathability), and so forth, is provided. The anisotropic properties can be achieved for a single, monolithic polymeric material through selective control over the manner in which the material is formed. For example, one or more zones of the polymeric material can be strained to create a unique network of pores within the strained zone(s). However, zones of the polymeric material that are not subjected to the same degree of deformational strain will not have the same pore volume, and in some cases, may even lack a porous network altogether.

Anisotropic polymeric material

Anisotropic polymer material

提供了具有各向异性的性能，如机械性能(例如，弹性模量)、热性能、屏障性能(例如，透气性)的聚合物材料。可以通过选择性控制形成材料的方法来实现单一的整体聚合物材料的各向异性的性能。例如，可以将聚合物材料的一个或多个区域变形以在(多个)变形区域内产生独特的孔的网络。然而，未经受相同程度的形变应变的聚合物材料的区域将不具有相同的孔体积，并且在一些情况下，可能甚至完全缺少多孔网络。

Anisotropic polymeric material.

Se proporciona un material polimérico que tiene propiedades anisotrópicas, tales como propiedades mecánicas (por ejemplo, módulo de elasticidad), propiedades térmicas, propiedades de barrera (por ejemplo, transpirabilidad), etc. Las propiedades anisotrópicas pueden lograrse para un material polimérico monolítico único mediante un control selectivo sobre la manera en la que se forma el material. Por ejemplo, una o más zonas del material polimérico pueden deformarse para crear una red única de poros dentro de la(s) zona(s) deformada(s). Sin embargo, las zonas del material polimérico que no están sometidas al mismo grado de tensión de deformación no tendrán el mismo volumen de poros, y en algunos casos, pueden incluso carecer de una red porosa por completo.

ANISOTROPIC POLYMERIC MATERIAL

А 2016107419 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ 19 11) < (19) РЦ (11) < (51) МПК (081 5/22 (2006.0Т) С08/Л 9/00 (2006.0Т) С08К 7/00 (2006.0Г) С08/ 3/20 (2006.0Т) СО8Г 6700 (2006.01) ВОГО 69/00 (2006.0Т) В29С 5500 (2006.0Т) (21)(22) Заявка: 2016107419, 06.06.2014 Приоритет(ы): (30) Конвенционный приоритет: 09.08.2013 5 61/863,929; 22.11.2013 95 61/907,614 (43) Дата публикации заявки: 06.09.2017 Бюл. № 25 (85) Дата начала рассмотрения заявки РСТ на национальной фазе: 01.03.2016 (86) Заявка РСТ: [В 2014/062035 (06.06.2014) (87) Публикация заявки РСТ: УГО 2015/019201 (12.02.2015) Адрес для переписки: 197101, Санкт-Петербург, а/я 128, "АРС- ПАТЕНТ", МВ. Хмара (71) Заявитель(и): КИМБЕРЛИ-КЛАРК ВОРЛДВАЙД, ИНК. (05) (72) Автор(ы): ТОПОЛКАРАЕВ Василий А. (05), МАКИНИНИ Райан Дж. (0$), ШОЛ Нил Т. (05), МЛЕЗИВА Марк М. (0$) (54) АНИЗОТРОПНЫЙ ПОЛИМЕРНЫЙ МАТЕРИАЛ (57) Формула изобретения 1. Полимерный материал, где полимерный материал образован из термопластичной композиции, содержащей непрерывную фазу, которая содержит матричный полимер, и дополнительно где добавка микровключения и добавка нановключения диспергированы в непрерывной фазе в форме дискретных доменов, где полимерный материал определяет первую зону, которая граничит со второй зоной, где поровая сеть образована внутри первой зоны так, что первая зона обладает большим объемом пор, чем вторая зона. 2. Полимерный материал по п. 1, где средний объем пор материала внутри первой зоны составляет от приблизительно 15% до приблизительно 80% на см?, предпочтительно от приблизительно 20% до приблизительно 70% и более предпочтительно от приблизительно 30% до приблизительно 60% на кубический сантиметр. 3. Полимерный материал по п. 2, где средний объем пор материала внутри второй зоны составляет менее 15% и предпочтительно от 0% до приблизительно 10%. 4. Полимерный материал по п. 1, где отношение показателя плотности материала внутри первой зоны к показателю ...

Anisotropic polymeric material

Anisotropic polymeric material

A polymeric material having anistotropic properties, such as mechanical properties (e.g., modulus of elasticity), thermal properties, barrier properties (e.g., breathability), and so forth, is provided. The anisotropic properties can be achieved for a single, monolithic polymeric material through selective control over the manner in which the material is formed. For example, one or more zones of the polymeric material can be strained to create a unique network of pores within the strained zone(s). However, zones of the polymeric material that are not subjected to the same degree of deformational strain will not have the same pore volume, and in some cases, may even lack a porous network altogether.

material polimérico anisotrópico

resumo “material polimérico anisotrópico” material polimérico que tem propriedades anisotrópicas, tais como propriedades mecânicas (por exemplo, módulo de elasticidade), propriedades térmicas, propriedades da barreira (por exemplo, o quanto deixa a pele respirar), e assim por diante é fornecido. as propriedades anisotrópicas podem ser obtidas para um único material polimérico monolítico através do controle seletivo sobre a maneira em que o material é formado. por exemplo, uma ou o mais zonas do material polimérico pode ser esticada para criar uma rede original dos poros dentro das zonas esticadas. entretanto, as zonas do material polimérico que não são submetidas ao mesmo grau de tensão deformante não terão o mesmo volume dos poros e, em alguns casos, podem nem mesmo ter uma rede porosa.

Anisotropic polymeric material

기계적 특성(예, 탄성계수), 열적 특성, 장벽 특성(예, 통기성) 등과 같은 이방성을 갖는 중합체 물질이 제공된다. 이방성 특성은 물질이 형성되는 방식에 대한 선택적 제어를 통해 하나의, 단일체(monolithic) 중합체 물질에 대해 달성될 수 있다. 예를 들면, 중합체 물질의 하나 이상의 구역이 변형되어서 변형된 구역(들) 내부에 독특한 포어 망을 생성할 수 있다. 그러나, 동일한 정도의 응력 변형을 받지 않는 중합체 물질의 구역들은 동일한 포어 부피를 갖지 않을 것이며, 어떤 경우에는 심지어 다공성 망이 완전히 부재할 수도 있다.

Anisotropic polymeric material

Material polimerico anisotropico.

Se proporciona un material polimérico que tiene propiedades anisotrópicas, tales como propiedades mecánicas (por ejemplo, módulo de elasticidad), propiedades térmicas, propiedades de barrera (por ejemplo, transpirabilidad), etc. Las propiedades anisotrópicas pueden lograrse para un material polimérico monolítico único mediante un control selectivo sobre la manera en la que se forma el material. Por ejemplo, una o más zonas del material polimérico pueden deformarse para crear una red única de poros dentro de la(s) zona(s) deformada(s). Sin embargo, las zonas del material polimérico que no están sometidas al mismo grado de tensión de deformación no tendrán el mismo volumen de poros, y en algunos casos, pueden incluso carecer de una red porosa por completo.

Anisotropic polymeric material

提供了具有各向异性的性能，如机械性能(例如，弹性模量)、热性能、屏障性能(例如，透气性)的聚合物材料。可以通过选择性控制形成材料的方法来实现单一的整体聚合物材料的各向异性的性能。例如，可以将聚合物材料的一个或多个区域变形以在(多个)变形区域内产生独特的孔的网络。然而，未经受相同程度的形变应变的聚合物材料的区域将不具有相同的孔体积，并且在一些情况下，可能甚至完全缺少多孔网络。

Anisotropic polymeric material

A polymeric material having anistotropic properties, such as mechanical properties (e.g., modulus of elasticity), thermal properties, barrier properties (e.g., breathability), and so forth, is provided. The anisotropic properties can be achieved for a single, monolithic polymeric material through selective control over the manner in which the material is formed. For example, one or more zones of the polymeric material can be strained to create a unique network of pores within the strained zone(s). However, zones of the polymeric material that are not subjected to the same degree of deformational strain will not have the same pore volume, and in some cases, may even lack a porous network altogether.

Prestretched polyethylene film

Label film for deep drawing processes

The invention relates to the use of a multilayer, biaxially oriented polyolefin film comprising at least five layers as the label in deep drawing, which film is constructed from the following layers I the base layer is free from vacuoles, and IIa the outer intermediate layer is free from vacuoles and contains at least 95% by weight propylene polymer, which polymer has a propylene content of 98 to 100% by weight relative to the propylene polymer, and IIIa printing may be applied to the outer cover layer, and IIb the inner intermediate layer is constructed essentially from propylene polymer and contains vacuoles, and IIIb the inner cover layer is applied to the surface of the inner intermediate layer and is a sealable cover layer, and is a sealable cover layer, and has a sealing initiation temperature <130°C.

Play balls

Polyester base band, method of the production band and application thereof

本发明涉及一种带，所述带包含：(i)约75重量%～约99.9重量%的热塑性聚酯；(ii)约0.1重量%～约25重量%的线性低密度聚乙烯；和(iii)0重量%～约5重量%的其他组分，所述带具有5μm～300μm的厚度和0.5mm～7mm的宽度。这种带在切开之后不双股绞合且不粘附到其他带上，具有非常好的机械性质。当对所述带进行卷绕时，能够得到具有规则形状的线轴。

Plastic film having oxygen absorbing function and infusion bag

본 발명은 산소 흡수 기능을 갖는 의료 용기용 플라스틱 필름 및 이것으로 이루어지는 수액 백에 관한 것으로, 탄소수가 11 이상인 락탐의 개환 중합 또는 탄소수가 11 이상인 ω-아미노산을 축중합하여 얻어지는 폴리아미드, 또는 탄소수 10 이상인 디카르복실산과 탄소수 6 이상인 디아민을 공축중합하여 얻어지는 폴리아미드로 이루어지는 제1층(1); 제1층에 인접하여 에틸렌-비닐 알코올 공중합체를 주성분으로 하고, 불포화 이중 결합을 갖는 폴리엔계 중합체, 천이 금속염을 부성분으로 하는 혼합 조성물인 제2층(2); 제2층에 인접하여 a-올레핀과 불포화 카르복실산 또는 불포화 디카르복실산 무수물 모노머의 공중합체를 주성분으로 하는 제3층(3); 폴리에틸렌을 주성분으로 하는 밀봉층의 적어도 4층(4)으로 이루어지고, 공압출 수냉식 인플레이션법에 의해 제막된다. TECHNICAL FIELD The present invention relates to a plastic film for a medical container having an oxygen-absorbing function, and a liquid bag comprising the same, wherein the polyamide is obtained by ring-opening polymerization of lactam having 11 or more carbon atoms or? -Amino acid having 11 or more carbon atoms, A first layer (1) comprising a polyamide obtained by co-condensation of a dicarboxylic acid and a diamine having 6 or more carbon atoms; A second layer (2) which is a mixed composition comprising, as a main component, an ethylene-vinyl alcohol copolymer adjacent to the first layer and comprising a polyene polymer having an unsaturated double bond and a transition metal salt as subcomponents; A third layer (3) consisting essentially of a copolymer of an a-olefin and an unsaturated carboxylic acid or an unsaturated dicarboxylic acid anhydride monomer adjacent to the second layer; And at least four layers (4) of a sealing layer mainly composed of polyethylene, and is formed by a co-extrusion water-cooled inflation method.

PROCESS FOR THE MANUFACTURING OF COMBINED FLEXIBLE FOAMS

Beverage container holder

A beverage container holder having a receptacle, gripping members, and a membrane is disclosed. The membrane is disposed in openings located between a sidewall of the receptacle and the gripping members. Living hinges are integrated into the gripping members, which allow the gripping members to flex and provide a gripping force on a beverage container that has been placed into the beverage container holder in order to provide a more stable and secure placement of the container. The receptacle and gripping members are manufactured in one step process, preferably an injection molding process, and are composed of a material having a low coefficient of friction, preferably a hard plastic, which allows for the easy placement or retrieval of a beverage container. The membrane is overmolded onto the receptacle and gripping members and is preferably composed of a flexible material such as a soft plastic or rubber.

Liquid applicator and device

The present application provides sintered porous elastomeric liquid applicators with or without flocking fibers that provide improved liquid and gel delivery properties and a comfortable experience for the user of the applicators when applying liquid to a surface, such as skin.

Sealing composition for inflatable articles containing gas under pressure

A sealing system and sealing composition are provided for inflatable articles containing air under pressure. The sealing composition includes particles or particulates of shapes having sharp corners thereon which tend to dig into the article around the opening and wedge themselves therein. The sealing composition also includes fibers, at least some of which are fibrillated. The fibers tend to wrap around the particles and further plug the leak opening. The particles and the fibers are in a liquid carrier which also tends to form a bond of the particles and fibers in the leak opening. The particles in the composition are of particular ranges of sizes for different articles, the larger particles being used in larger articles, such as large tires for construction machines, for example.

Method for preparing textile composite for sheilding radiation

Provided is a composition for shielding radiation comprising: 100 parts by weight of first resin including at least one type selected from the group consisting of a polyurethane resin, a polysiloxane resin, a silicone resin, a fluorine resin, an acrylic resin, and an alkyd resin; 5-30 parts by weight of second resin including at least one type selected from the group consisting of polyvinyl alcohol (PVA), polyethylene (MDPE), high density polyethylene (HDPE), and low density polyethylene (LDPE); 5-30 parts by weight of polyether ether ketone (PEEK) resin powder; 5-80 parts by weight of metal powder; 1-70 parts by weight of metal oxide powder; 1-50 parts by weight of paraffin; 5-15 parts by weight of boron compounds; and 10-50 parts by weight of carbon powder. Therefore, the present invention such as a fiber composite, protective clothing, or the like comprising the composition for shielding radiation has an effect of shielding not only radiation such as alpha rays, beta rays, a proton, gamma rays, X-rays, etc. but also a neutron as lead is not used and a polyether ether ketone (PEEK) resin is included.

Multi-layer container with excellent oxygen barrier properties

Patent FR2211341A1

Method for producing polyethylene-based resin extruded foamed sheet, polyethylene-based resin-extruded foamed sheet and diaper for glass plate using the same

저밀도 폴리에틸렌, 물리 발포제 및 대전 방지제를 혼련하여 이루어지는 발포성 용융 수지 조성물을 압출하고 발포시켜서 폴리에틸렌계 수지 압출 발포 시트를 제조하는 방법으로서, 발포 시트의 두께가 0.05~0.5㎜의 범위 내이고, 대전 방지제로서 저밀도 폴리에틸렌과의 융점차가 -10~+10℃의 범위 내인 융점을 갖고, 또한 멜트 플로우 레이트가 10g/10분 이상인 고분자형 대전 방지제를 사용하는 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조 방법이 제공된다. 이것에 의해, 두께가 매우 얇음에도 불구하고, 중장기의 연속 생산에 있어서도 작은 구멍이나 관통 구멍의 발생이 방지·억제된 고품질이고 우수한 강도와 완충성을 겸비하고, 또한 대전 방지 성능도 충분하게 발현하는 유리판용 간지로서 적합한 신규한 폴리에틸렌계 수지 압출 발포 시트가 얻어지게 된다.

Process for thermoforming a laminated part

Procédé de fabrication d’un article caractérisé en ce qu’il comprend les étapes suivantes, dans cet ordre :disposer d’une pièce stratifiée comprenant au moins :- une couche de polymère thermoplastique de densité allant de 0,5 à 1,5 ; - une couche d’un adhésif thermofusible de température de fusion allant de 60°C à170°C, de préférence de 90°C à 130°C,- une couche de textile présentant un grammage compris entre 30g/m2 et 1500 g/m2;procéder au thermoformage de ladite pièce stratifiée, le thermoformage comprenant une étape de chauffe de la pièce stratifiée suivie d’une étape de formage sous vide au moyen d’au moins un moule caractérisé en ce que lors de l’étape de moulage la couche de textile est au contact du moule. Figue à publier avec l’abrégé : aucune Method of manufacturing an article characterized in that it comprises the following steps, in this order: disposing of a laminated part comprising at least:- a layer of thermoplastic polymer with a density ranging from 0.5 to 1.5; - a layer of a hot-melt adhesive with a melting temperature ranging from 60°C to 170°C, preferably from 90°C to 130°C, - a layer of textile having a weight of between 30g/m2 and 1500 g/m2 ;thermoforming said laminated part, the thermoforming comprising a step of heating the laminated part followed by a step of forming under vacuum by means of at least one mold characterized in that during the step of molding the layer of textile is in contact with the mould. Fig to publish with abstract: none

Polymer dispersions, their formation and derived products

Patent FR2211341B1

HIGH INTEGRITY POLYESTER TRAY.

Bandaje que ha sido molecularmente orientado por estiramiento en una dirección longitudinal del bandaje, el cual tiene una anchura de 0,5-3 cm y un espesor de 0,03-0,20 cm y comprende: 97,2-99,8% en peso de poliéster; y 0,2-2,8% en peso de una o más poliolefinas seleccionadas del grupo que consta de polietileno lineal de baja densidad, polietileno ramificado de baja densidad, polietileno de alta densidad y polipropileno, y combinaciones de los mismos; en donde la poliolefina no está químicamente modificada y hace que el bandaje tenga una resistencia incrementada al hendido en la dirección longitudinal mientras está bajo tensión.

High efficiency filter material and composition

A high efficiency elastic porous filter material is made from a composition of a mixture of powder of ultra high molecular weight polyethylene, high density polyethylene and low density polyethylene and a selected filler material. The filter material is insert to acid, alkaline and other corrosive fluid, and has evenly distributed same size interstice openings or voids. Impurities in the fluid, air, or oil being filtered are suspended outside of the filter material without causing clogging to occur in the interstice openings. The material may be fabricated in various shapes for various filter operations by fusing the mixture in selected molds.

Injection molded article, and method of producing injection molded article

【課題】高い電気絶縁性と高い熱伝導率、高い剛性と高い耐衝撃性を兼ね備えた軽い射出成形体、及びその製造方法を提供すること。 【解決手段】超高分子量ポリエチレン繊維１５〜４０質量％と、温度２３０℃、及び荷重２１．２Ｎの条件で測定されるメルトフローレートが７０〜５００ｇ／１０分であり、示差走査型熱量計で測定される融解ピーク温度が１６０℃未満である熱可塑性樹脂８５〜６０質量％とを含有する樹脂組成物（但し、前記超高分子量ポリエチレン繊維と前記熱可塑性樹脂の合計質量を１００質量％とする）からなり、下記要件（１）を満たす射出成形体。 要件（１） ＪＩＳ Ｋ ６９１１に規定された方法により測定される体積固有抵抗率が１．０×１０ 15 Ωｃｍ以上であり、レーザーフラッシュ法で測定される熱伝導率が１Ｗ／ｍＫ以上であり、Ａ．Ｓ．Ｔ．Ｍ Ｄ７９２で測定した比重が１．２以下であること。 【選択図】なし

Subatmospheric morphology control process used for extrusion of extruded polymer foam and parts formed therefrom

Aluminum barrier laminate for containers and barrier liner at shoulder

一种层压体片，特别是铝基层压体，其包含：密度为0.90～0.96g/cc的聚乙烯、熔点小于240℃的聚乙烯类膜；用于提供高粘附的低密度聚乙烯；铝阻隔膜，和具有密封性的聚乙烯类膜。此外，所述层压体片可以还包含用于制造管和管肩的吹塑膜或干层压体，从而防止其中包装的产品的香味损失和无应力开裂。

CAPS FOR CONTAINERS OF LIQUID PRODUCTS.

Artificial cork stopper and method and apparatus for manufacturing same

내용 없음

PROCESS FOR MANUFACTURING COMPOSITE ALVEOLAR MATERIALS

Plastic closure for liquid product containers and its preparation

plastic film used for a medical container and infusion bag

Plastic parts made from plastics having different melting points and a method of manufacturing same

A method of recycling a mixed plastic waste comprising plastics having different melting temperatures includes conveying the mixed plastic waste through an extruder such that at least some of the higher melting point plastic is passes through the extruder without melting and is present in the extrudate as solid material.

Patent JPS4990363A

Ring dam and method for manufacturing a ring dam

A ring dam, fitting between a fluid container and a housing for the fluid container, may include an extruded Polyethylene (EPE) foam having an Ethylene-Vinyl Acetate (EVA) additive.

PROCESS FOR PREPARING A MIXTURE OF AN ALKEY 1 POLYMER WITH AN INCOMPATIBLE POLYMER.

Wind turbine blade repair method

A repair solution for a wind turbine blade is described. The repair solution includes the application of a layer of viscous coating material to the section of the blade to be repaired, which is cured to form a repaired surface. The layer of viscous coating material may be temporarily covered during the curing process using a film of Low Surface Energy material, to prevent defects in the repaired surface from dust, insects, etc. Additionally or alternatively, a temporary shield may be erected adjacent the curing layer of coating material, to allow for the control of the temperature and/or humidity levels of the region adjacent the curing material, to provide for more effective control of the curing process and to allow for repairs to be carried out for a wider process window.

METHOD FOR THE PRODUCTION OF PLASTIC PARTS, IN PARTICULAR PIPES, AND A MIXTURE MIXTURE FOR CARRYING OUT THE METHOD.

The invention relates to a process for the production of plastic parts, particularly pipes and sleeves, by the extrusion of a mixture of polyethylene homopolymer, copolymer or block polymer (PE) and a polymeric plasticizer reactive therewith, as well as small amounts of conventional additives, in which the moulded or extruded plastic part optionally subsequently undergoes cross-linking and stretching, or cross-linking only, in which a mixture of PE and EPDM with an average molecular weight of 1,000 to 20,000 in a weight ratio of 90 to 97% PE and 3 to 10% by weight EPDM is moulded or extruded.

Activation method of carbon nano tube and method for preparing conductive heat-shrinkable tube

本发明公开了一种碳纳米管的活化方法及制备导电热缩管的方法，活化碳纳米管的方法包括如下步骤：S1、将羧基化碳纳米管、催化剂、分子筛、二氯甲烷置于容器中进行磁力搅拌，得到混合物；S2、在所述混合物中加入烯胺类试剂后继续进行磁力搅拌反应；S3、将反应结束后的所述混合物洗涤过滤得到活化后的碳纳米管。本发明将具有良好导电性的碳纳米管化学改性，并将其接枝在热缩管基体材料上，制备具有优异导电性能的抗静电热缩管。

Multilayered container excellent in oxygen-barrier property

Product moulded with a mixed heterogeneous polymeric material, relative mix of heterogeneous polymeric material and relative moulding process

The present invention relates to a moulded product comprising mixed heterogeneous polymeric material characterised in that it comprises at least two areas distinguishable by at least one mutually different characteristic. In particular, this at least one characteristic is variable from an outer area to an inner area of the thickness and through it, a plurality of diversified layers can substantially be defined. The product is moulded with a mix comprising at least a plurality of the following components, preferably all: PET, PELD, PEHD, PP, PA, ABS, PS, PVC, copolymers.

Breathable films and method for making

본 발명은 연질 중합체 성분과 경질 중합체 성분의 블렌드로부터 형성된 상온에서 잡아늘인 통기성 필름에 관한 것이다. 연질 중합체 성분(SPC)는 주요 올레핀 단량체와 소수 올레핀 단량체의 공중합체이다. 주요 올레핀 단량체는 에틸렌 또는 프로필렌이고, SPC의 대부분을 형성한다. 상온에서 잡아늘인 후 바람직한 필름은 100 g-mil/m 2 -day 이상의 수증기 투과율(water vapor transmission rate; WVTR)을 나타낸다. The present invention relates to a breathable film that is stretched at room temperature formed from a blend of a soft polymer component and a hard polymer component. The soft polymer component (SPC) is a copolymer of main olefin monomer and minor olefin monomer. The main olefin monomer is ethylene or propylene and forms most of the SPC. Preferred films after stretching at room temperature exhibit a water vapor transmission rate (WVTR) of at least 100 g-mil / m 2 -day.

Plastic film having oxygen absorbing function and infusion bag

Disclosed are: a plastic film for medical containers, which has oxygen absorbing function; and an infusion bag which is formed of the plastic film for medical containers. Specifically disclosed is a plastic film for medical containers, which is composed of at least four layers, namely: a first layer (1) that is composed of a polyamide that is obtained by ring-opening polymerizing a lactam having 11 or more carbon atoms or by polycondensing an ω-amino acid having 11 or more carbon atoms, or a polyamide that is obtained by copolycondensing a dicarboxylic acid having 10 or more carbon atoms and a diamine having 6 or more carbon atoms: a second layer (2) that is formed adjacent to the first layer and composed of a mixed composition that contains an ethylene-vinyl alcohol copolymer as a main component, while containing a polyene polymer having an unsaturated double bond and a transition metal salt as sub-components; a third layer (3) that is formed adjacent to the second layer and contains, as a main component, a copolymer of an α-olefin and an anhydride monomer of an unsaturated carboxylic acid or an unsaturated dicarboxylic acid; and a sealing layer (4) that contains a polyethylene as a main component. The plastic film for medical containers is formed by co-extrusion using a water-cooled inflation method.

Patent PL233643A1

A method for making closures resembling natural cork for sealing liquid product containers is described. A strand of expandable plastic material is injected into each mold cavity and is permitted to collect in that cavity in randomly oriented groups of coils which expand to fill the cavity and coalesce to create randomly oriented grain lines on the surface of the closure resembling the appearance of natural cork. Also described are methods of molding the closures which preclude the formation of leakage channels on the closure surface and preferred blends of plastic resins and pigment particles used to achieve the cork-like appearance.

Method for thermoforming a laminated part

The invention relates to a method for producing an article, characterised in that it comprises the following steps performed in this order: providing a laminated part including at least a thermoplastic polymer layer having a density ranging from 0.5 g/cm 3 to 1.5 g/cm 3, a layer of a hot-melt adhesive with a melting temperature ranging from 60°C to 170°C, preferably from 90°C to 130°C, and a textile layer having a grammage of between 30g/m 2 and 1500 g/m 2; and thermoforming the laminated part, the thermoforming comprising a step of heating the laminated part followed by a step of vacuum forming using at least one mould, characterised in that the textile layer is in contact with the mould in the moulding step.

Plastic parts made from plastics having different melting points and a method of manufacturing same

A method of recycling a mixed plastic waste comprising plastics having different melting temperatures includes conveying the mixed plastic waste through an extruder such that at least some of the higher melting point plastic is passes through the extruder without melting and is present in the extrudate as solid material.

Synthetic cork product

A method for making closures resembling natural cork for sealing liquid product containers is described. A strand of expandable plastic material is injected into each mold cavity and is permitted to collect in that cavity in randomly oriented groups of coils which expand to fill the cavity and coalesce to create randomly oriented grain lines on the surface of the closure resembling the appearance of natural cork. Also described are methods of molding the closures which preclude the formation of leakage channels on the closure surface and preferred blends of plastic resins and pigment particles used to achieve the cork-like appearance.

Improvements in or relating to playballs

The specification discloses play-ball shells similar to those described in Specification 1108555, but modified in that the reinforcing filler material incorporated in the moulding ingredients comprises a finely divided cellulosic material e.g. having a particle size of up to 50 mesh in place of the thermoplastic resin disclosed in Specification 1108555. In the particular examples described, the cellulosic material comprises wood flour. The specification refers to the moulding of half-shells, which are subsequently moulded together.

Raft techniques in three-dimensional printing

The strength of a bond between two adjacent layers of a three-dimensional print is weakened by initiating fabrication of a top layer at a height greater than the processing height for the print. This technique may be used in particular at the interface between a raft or other support and an object being fabricated, after which the printing process may return to a regular process height for additional layers used to fabricate the remainder of the object.

IMPROVEMENTS IN METHOD TO MANUFACTURE A PLASTIC SEAL FOR LIQUID PRODUCT PACKAGING AND THE PRODUCT THROUGH THE SAME

Be used for double-walled bellows polyolefin masterbatch filling device

本发明涉及波纹管生产技术领域，且公开了一种用于双壁波纹管聚烯烃母料填充装置，包括本体、填充机构、筛选机构，所述本体包括箱体，所述箱体的内壁固定连接有用导料板，所述箱体的周围固定连接有接料槽，所述箱体的顶部开有进料口。本发明通过在箱体的顶部设置下料辊，在箱体的内部设置筛选桶，在进料的时候，将物料从箱体顶部的进料口进入，然后带动进料口内的下料辊转动，下料辊再通过皮带轮、转轴四、转轴三转动，最终带动筛选桶底部的转轴二转动，从而带动筛选桶转动，然后落入筛选桶内部的物料由于离心力的作用，向筛选桶内壁上的筛选孔甩动，然后再通过导料板、接料槽和出料管落入输送管内，不需要电力设备带动即可达到筛选的目的。

Process and a plant for separating low density material from substrate mixtures

The invention relates to a process and a plant for separating low density material, in particular plastics, in particular with a density of less than 1, from substrate mixtures, preferably from waste material fractions or presorted garbage fractions optionally containing essential portions of plastics or optionally presorted to paper/plastics fractions, wherein a gravity separation, in particular a sink-float separation, is carried out and the low density material phase, in particular polyolefin plastics, is withdrawn and optionally further processed as a separate fraction after drying. According to the invention, the separating effect and the cleaning of the low density material phase withdrawn are increased by carrying out at least one centrifugal separation, preferably in a hydrocyclone, in addition to at least one gravity separation, preferably in a sink-float basin.

Plastic closure for liquid product containers and its preparation

A method for making closures resembling natural cork for sealing liquid product containers is described. A strand of expandable plastic material is injected into each mold cavity and is permitted to collect in that cavity in randomly oriented groups of coils which expand to fill the cavity and coalesce to create randomly oriented grain lines on the surface of the closure resembling the appearance of natural cork. Also described are methods of molding the closures which preclude the formation of leakage channels on the closure surface and preferred blends of plastic resins and pigment particles used to achieve the cork-like appearance.

Polyester-based tape, process for producing said tape and use thereof

COMPOSITION FOR CLOGGING INFLATABLE OBJECTS

L'invention concerne une composition d'étanchéité pour objets gonflables. Elle se rapporte à une composition qui contient des particules ayant des coins aigus, de dimension comprise entre 1 et 2 mm de préférence, des fibres ayant une longueur de quelques millimètres et ayant de préférence des extrémités fibrillées, et un véhicule liquide, de préférence à base d'éthylèneglycol, contenant éventuellement des adjuvants. Les particules se coincent sur les bords de l'orifice et sont enroulées par les fibres, le liant assurant le maintien en coopération et permettant ainsi le bouchage des orifices de fuites. Application aux pneumatiques des véhicules.

Multilayered container excellent in oxygen-barrier property

A multilayered container with excellent heat resistance which is obtained by melt molding and has an interlayer made of an oxygen-absorbing barrier resin composition. The multilayered container comprises inner and outer layers comprising an olefin resin and, sandwiched between the inner and outer layers, an interlayer made of an oxygen-absorbing barrier resin composition. The multilayered container is one formed by melt molding. In thermal analysis of a container barrel part, it has a quantity of heat of isothermal crystallization after heating from 30° C. to 130° C. at 100° C./min of 0.5 J/g or larger. In the analysis, the barrel part, after cooling from 200° C. to 130° C. at 100° C./min, gives an isothermal crystallization profile in which the time period to a peak top is shorter than that in a multilayered container including an interlayer consisting only of the base resin (oxygen-barrier resin) constituting the oxygen-absorbing barrier resin composition.

Multilayered container excellent in oxygen-barrier property

本发明的目的在于，提供通过熔融成形获得、具有由氧吸收阻挡性树脂组合物构成的中间层的、耐热性优异的多层容器。本发明提供一种多层容器，该多层容器具有含有烯烃树脂的内外层和在上述内外层之间具有由氧吸收阻挡性树脂组合物构成的中间层，其中，所述多层容器是熔融成形而成的，在容器体部的热分析中，以100℃/分钟从30℃升温至130℃后的等温晶化所产生的放热量为0.5J/g以上，且以100℃/分钟从200℃降温到130℃之后至等温晶化曲线的峰顶为止的时间短于作为中间层仅使用构成氧吸收阻挡性树脂的基材树脂(阻氧性树脂)的多层容器。

System and method for molding a basketball backboard

A system and method are disclosed for molding a part, such as a point-of-purchase display, is shown. The system comprises a plasticator and press. The molded part comprises an in-molded graphics sheet which becomes molded integral with the part.

Device for biaxial plastic extrusion

Vorrichtung zur Herstellung eines mindestens einschichtigen extrudierten schlauchförmigen Vorformlings (V2-V10) aus thermoplastischem Kunststoff,mit einem Extrusionskopf (50) mit mindestens einem im Wesentlichen koaxial um eine Pinole (6) in einem entlang der Pinole (6) hin- und herbewegbaren Ringkolben (16) angeordneten ersten Verteilerring (52),der mindestens zwei nach unten offene Fließkanäle (58, 59) aufweist, die über jeweils eine Zuflussöffnung (56, 57) mit Materialschmelzen (M1, M2) gespeist werden, welche in den Fließkanälen (58, 59) ringförmig verteilt werden und nach unten in einem Abfließring (60) sowie in einen gemeinsamen Fließkanal (12) fließen und von dort in einen Ringspeicherraum (14) zwischen Pinole (6) und einem Speichermantel (8) gelangen,und mit einem sich an den Ringspeicherraum (14) anschließenden Ausgabe-Ringkanal (18) mit einem absperrbaren ringförmigen Düsenspalt (20), aus dem der Vorformling (V2-V10) ausgestoßen wird,wobei in dem ersten Verteilerring (52) für jede Materialschmelze (M1, M2) an vorbestimmten Umlenkpositionen (Z1, Z2, Z3) eine Umlenkeinheit (54) angeordnet ist,welche die aufeinander zuströmenden Materialschmelzen (M1, M2) in ihrer horizontalen Ausbreitung im jeweiligen Fließkanal (58, 59) hindern und die Materialschmelzen (M1, M2) nach unten umlenken und am unteren Ende (63) der Umlenkeinheit (54) zusammenführt. Device for producing an at least one-layer extruded tubular preform (V2-V10) made of thermoplastic material, with an extrusion head (50) with at least one essentially coaxially around a quill (6) in an annular piston (6) that can be reciprocated along the quill (6). 16) arranged first distributor ring (52), which has at least two downwardly open flow channels (58, 59) which are each fed via an inflow opening (56, 57) with material melts (M1, M2) which are in the flow channels (58, 59) are distributed in a ring and flow downward in a discharge ring (60) and in a common flow channel (12) and from there into a ring ...

Process for making plastic parts, especially of tubes, and a dilute mixture for carrying out the process

一种防垢pvc管材及其制备方法

本发明属于一种新材料及加工方法，具体涉及一种防垢PVC管材及其制备方法，包括作为外层的PVC复合材料层和作为内层的防垢层，所述防垢层为UHMWPE/CPE/PVC复合材料，包括如下重量份的各组分：PVC树脂粉100份，钙锌稳定剂3.0‑5.0份，CPE 10‑20份，抗冲增韧剂0.5‑2.0，碳酸钙3‑15份，润滑剂0.3‑0.5份，聚乙烯蜡0.1‑1.25份，加工助剂0.6‑5.0份，UHMWPE粉5‑25份，增塑剂0.3‑1.5份。本发明制备的防垢PVC管具有良好的自清洁、防结垢的效果，可有效地降低PVC管内壁污物的粘附以及结垢现象；且制备工艺简单，价格低廉，适合工业化大规模推广。

Extruder and molding assembly

A method of filling a mold comprising filling a majority of a mold cavity with an extrudate from at least one extruder wherein the extrudate, which is conveyed to an inlet of the mold, is at a pressure of 1-500 psi, subsequently isolating the mold cavity from a conduit which conveys the extrudate to the mold cavity, and subsequently using a pressurization member to fill a remainder of the mold cavity with additional extrudate, wherein the pressurization member excepts a pressure above 500 psi on the additional extrudate.

Polyester umreifung mit hoher integrität

Atmungsfähiger film und verfahren daraus

Ballistic resistant article with thermoset polyurethane matrix

A ballistic resistant article includes a first layer that has first unidirectional fibers disposed in a first polymer matrix. The first polymer matrix is composed of a thermoset polyurethane. A second layer is laminated to the first layer. The second layer includes second unidirectional fibers disposed in a second polymer matrix. The second unidirectional fibers are cross-oriented with respect to the first unidirectional fibers.

Procedimento e impianto per la separazione di sostanze leggere da miscele di substrati.

聚乙烯系树脂挤出发泡片的制备方法、聚乙烯系树脂挤出发泡片及使用其的玻璃板用间隔纸

提供一种聚乙烯系树脂挤出发泡片的制备方法，其使对低密度聚乙烯、物理发泡剂以及抗静电剂进行混炼而成的发泡性熔融树脂组合物挤出而进行发泡，从而制备聚乙烯系树脂挤出发泡片，其特征在于，发泡片的厚度在0.05～0.5mm的范围内，作为抗静电剂，使用具有与低密度聚乙烯的熔点差在‑10℃～+10℃的范围内的熔点并且熔体流动速率为10g/10分钟以上的高分子型抗静电剂。由此，得到虽然厚度极薄但在中长期的连续生产时能够防止和抑制小孔、通孔的产生的高品质的、兼具优异的强度和缓冲性、而且还能够充分体现了抗静电性能的、适合作为玻璃板用间隔纸的新型的聚乙烯系树脂挤出发泡片。

Procédé de thermoformage d’une pièce stratifiée

Procédé de fabrication d’un article caractérisé en ce qu’il comprend les étapes suivantes, dans cet ordre :disposer d’une pièce stratifiée comprenant au moins :- une couche de polymère thermoplastique de densité allant de 0,5 à 1,5 ; - une couche d’un adhésif thermofusible de température de fusion allant de 60°C à170°C, de préférence de 90°C à 130°C,- une couche de textile présentant un grammage compris entre 30g/m2 et 1500 g/m2;procéder au thermoformage de ladite pièce stratifiée, le thermoformage comprenant une étape de chauffe de la pièce stratifiée suivie d’une étape de formage sous vide au moyen d’au moins un moule caractérisé en ce que lors de l’étape de moulage la couche de textile est au contact du moule. Figue à publier avec l’abrégé : aucune