Polymeric biomaterials derived from phenolic monomers and their medical uses

The present invention provides new classes of phenol compounds, including those derived from tyrosol and analogues, useful as monomers for preparation of biocompatible polymers, and biocompatible polymers prepared from these monomeric phenol compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabilty and processibility are useful in a variety of medical applications, such as in medical devices and controlled-release therapeutic formulations. The invention also provides methods for preparing these monomeric phenol compounds and biocompatible polymers.

Method of Producing Composite Materials

A method of producing a material comprising nanocellulose and a polymer, comprising carrying out in-situ, ring opening of polymerisation of dry nanocellulose dispersed in a monomer to produce said material. The material can be used as a reinforcing additive for plastics, for example in the form of a plastics masterbatch. 1. A method of producing a material comprising nanocellulose and a polymer , comprising carrying out in-situ , ring opening of polymerization on nanocellulose dispersed in a monomer to produce said material.2. The method according to claim 1 , wherein the nanocellulose is nanofibrillated cellulose (NFC).3. The method according to claim 1 , wherein the nanocellulose is dry and contains less than 10% of water claim 1 , calculated from the mass of the nanocellulose.4. The method according to claim 1 , wherein the reaction mixture formed by nanocellulose and monomer contains less than 1.0% of water.5. The method according to claim 1 , wherein the polymerization is carried out in the absence of a separately added co-initiator.6. The method according to claim 1 , wherein the polymerization is carried out in the absence of an inert solvent.7. The method according to claim 2 , wherein the nanofibrillated cellulose is subject to in-situ ring-opening polymerization of monomers which is carried out in the presence of an inert solvent.8. The method according to claim 1 , wherein the material comprises less than 5% nanofibrillated cellulose claim 1 , calculated from the mass of the material.9. The method according to claim 1 , wherein the monomer is e-caprolactone or another monomer applicable for ring opening polymerization.10. The method according to claim 1 , wherein a nanofibrillated cellulose grafted with monomer applicable for ring opening polymerization claim 1 , NFC-g-ROP claim 1 , is produced.11. The method according to claim 1 , wherein the ring-opening polymerization is carried out in the presence of a catalyst.12. (canceled)13. (canceled)14. ( ...

CYANATE RESIN BLENDS AND RADOMES INCLUDING THEM

Certain embodiments are directed to cyanate resin blends comprising, for example, a mixture of a cyanate monomer and a cyanate oligomer. The resin blends are effective to provide a dielectric constant of less than 2.7, a glass transition temperature of at least 150° C. and a moisture absorption of less than 1.5%. Radomes using the resin are also described. 2. The radome of claim 1 , in which the oligomer is a cyanate ester oligomer comprising two or more monomeric units each selected from a compound having the formula (I)-(IX).3. The radome of claim 1 , further comprising at least one phenol added to the resin blend.4. The radome of claim 3 , further comprising at least one metal catalyst added to the resin.5. The radome of claim 1 , in which the substrate comprises one or more of a woven fabric claim 1 , a non-woven fabric claim 1 , a ceramic claim 1 , a plastic claim 1 , a glass claim 1 , a fiberglass claim 1 , a nylon claim 1 , a polyester claim 1 , a polyethersulfone claim 1 , an aramid claim 1 , a polyethylene claim 1 , a polypropylene claim 1 , a polyolefin claim 1 , a polyimide claim 1 , a polyamide claim 1 , a polyamide-imide claim 1 , a polyphenylene sulfide claim 1 , a carbon claim 1 , a carbon black claim 1 , a graphite claim 1 , a diamond claim 1 , a polybenzimidazole claim 1 , a polybenzoxazole or a halocarbon.6. The radome of claim 1 , in which the cyanate monomer comprises a bisphenol dicyanate group and the cyanate ester oligomer comprises a diphenylcyanate group.7. The radome of claim 1 , in which the monomer is present from about 30-70 weight percent.8. The radome of claim 7 , in which the oligomer is present from about 70-30 weight percent.10. The prepreg of claim 9 , in which the oligomer is a cyanate ester oligomer comprising two or more monomeric units each selected from a compound having the formula (I)-(IX).11. The prepreg of claim 9 , further comprising at least one phenol added to the resin blend.12. The prepreg of claim 11 , further ...

RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR

Techniques regarding the synthesis of one or more polymers through one or more ring-opening polymerizations conducted within a flow reactor and facilitated by one or more anionic catalysts are provided. For example, one or more embodiments can comprise a method, which can comprise polymerizing, via a ring-opening polymerization within a flow reactor, a cyclic monomer in the presence of one or more anionic organocatalysts. 2. The method of claim 1 , wherein the cyclic monomer is selected from a fifth group consisting of a lactone monomer claim 1 , a cyclic carbonate monomer claim 1 , a substituted cyclic carbonate monomer claim 1 , a cyclic phospholane monomer claim 1 , a morpholinone monomer claim 1 , tetrahydro-2H-pyran-2-thione claim 1 , oxepane-2-thione claim 1 , tetrahydrothiopyranone claim 1 , and 2-thiepanone.3. The method of claim 1 , wherein the anionic organocatalyst is derived from a chemical reaction between a chemical compound and a chemical base claim 1 , wherein the chemical base is selected from a fifth group consisting of 1 claim 1 ,8-diazabicyclo[5.4.0]undec-7-ene claim 1 , 7-methyl-1 claim 1 ,5 claim 1 ,7-triazabicyclo[4.4.0]dec-5-ene claim 1 , phosphazene bases claim 1 , 1 claim 1 ,3 claim 1 ,2-diazaphosphorin-2-amin claim 1 , 2-[(1 claim 1 ,1-dimethylethyl)imino]-N claim 1 ,N-diethyl-1 claim 1 ,2 claim 1 ,2 claim 1 ,2 claim 1 ,3 claim 1 ,4 claim 1 ,5 claim 1 ,6-octahydro-1 claim 1 ,3-dimethyl claim 1 , 1 claim 1 ,3-dihydro-1 claim 1 ,3-bis(2 claim 1 ,4 claim 1 ,6-trimethylphenyl)imidazole-2-ylidene claim 1 , potassium methoxide claim 1 , potassium hydride claim 1 , sodium methoxide claim 1 , and sodium hydride.4. The method of claim 1 , further comprising:reacting, via a second ring-opening polymerization within the flow reactor, an intermediate polymer with a second cyclic monomer in the presence of a chemical compound to form a block copolymer, and wherein the intermediate polymer is formed from the polymerizing the cyclic monomer.5. The method ...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEFORM FABRICATION OBJECT, AND METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT

A resin powder for solid freeform fabrication has a 50 percent cumulative volume particle diameter of from 5 to 100 μm and a ratio (Mv/Mn) of a volume average particle diameter (Mv) to the number average particle diameter (Mn) of 2.50 or less and satisfies at least one of the following conditions (1) to (3): 1. Resin powder for solid freeform fabrication wherein the resin powder has a 50 percent cumulative volume particle diameter of from 5 to 100 μm and a ratio (Mv/Mn) of a volume average particle diameter (Mv) to a number average particle diameter (Mn) of 2.50 or less and satisfies at least one of the following conditions (1) to (3):(1): Tmf1>Tmf2 and (Tmf1−Tmf2)≧3 degrees C., where Tmf1 represents a melting starting temperature of an endothermic peak as the resin powder is heated to a temperature 30 degrees C. higher than a melting point of the resin powder at a temperature rising speed of 10 degrees C. per minute for a first time and Tmf2 represents a melting starting temperature of an endothermic peak as the resin powder is heated for the first time, cooled down to −30 degrees C. or lower at a temperature falling speed of 10 degrees C. per minute, and heated to the temperature 30 degrees C. higher than the melting point at a temperature rising speed of 10 degrees C. per minute for a second time, and both Tmf1 and Tmf2 are measured in differential scanning calorimetry measuring according to ISO 3146, wherein the melting starting temperature of the endothermic peak represents a temperature at a point −15 mW lower from a straight line parallel to X axis drawn from a site where quantity of heat becomes constant after endotherm at the melting point finishes to a lower temperature side,(2): Cd1>Cd2 and (Cd1−Cd2)≧3 percent, where Cd1 represents a crystallinity obtained from an energy amount of the endothermic peak when the resin powder is heated to a temperature 30 degrees C. higher than the melting point of the resin powder at a temperature rising speed of 10 degrees ...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEFORM FABRICATION OBJECT, AND METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT

A resin powder for solid freeform fabrication has a 50 percent cumulative volume particle diameter of from 5 to 100 μm and a ratio (Mv/Mn) of a volume average particle diameter (Mv) to the number average particle diameter (Mn) of 2.50 or less and satisfies at least one of the following conditions (1) to (3): 113-. (canceled)14. A method of manufacturing a solid freeform fabrication object , comprising:{'claim-text': 'wherein the resin powder has a 50 percent cumulative volume particle diameter of from 5 to 100 μm, a ratio (Mv/Mn) of a volume average particle diameter (Mv) to a number average particle diameter (Mn) of 2.50 or less, and satisfies at least one of the following conditions (1) to (3):', '#text': 'forming a layer including a resin powder,'}{'claim-text': ['Tmf2 represents a melting starting temperature of an endothermic peak as the resin powder is heated for the first time, cooled down to −30 degrees C. or lower at a temperature falling speed of 10 degrees C. per minute, and heated to the temperature 30 degrees C. higher than the melting point at a temperature rising speed of 10 degrees C. per minute for a second time, and', 'both Tmf1 and Tmf2 are measured in differential scanning calorimetry measuring according to ISO 3146, wherein the melting starting temperature of the endothermic peak represents a temperature at a point −15 mW lower from a straight line parallel to X axis drawn from a site where quantity of heat becomes constant after endotherm at the melting point finishes to a lower temperature side,'], '#text': '(1): Tmf1>Tmf2 and (Tmf1−Tmf2)≥3 degrees C., where Tmf1 represents a melting starting temperature of an endothermic peak as the resin powder is heated to a temperature 30 degrees C. higher than a melting point of the resin powder at a temperature rising speed of 10 degrees C. per minute for a first time, and'}{'claim-text': ['where Cd1 represents a crystallinity obtained from an energy amount of the endothermic peak when the resin powder ...

SILICON-CONTAINING UNDERLAYERS

Wet-strippable underlayer compositions comprising one or more silicon-containing polymers comprising a backbone comprising Si—O linkages, one or more organic blend polymers, and a cure catalyst are provided. These compositions are useful in the manufacture of various electronic devices. 1. A process comprising: (a) coating a substrate with a coating composition comprising one or more curable silicon-containing polymers comprising a backbone comprising Si—O linkages , one or more organic blend polymers , and one or more organic solvents to form a curable silicon-containing polymer layer on the substrate; (b) curing the silicon-containing polymer layer to form a siloxane underlayer; (c) disposing a layer of a photoresist on the siloxane underlayer; (d) pattern-wise exposing the photoresist layer to form a latent image; (e) developing the latent image to form a patterned photoresist layer having a relief image therein; (f) transferring the relief image to the substrate; and (g) removing the siloxane underlayer by wet stripping.2. The process of wherein the organic blend polymer comprises as polymerized units one or more ethylenically unsaturated monomers.7. The process of wherein the lactone moiety of Ris a 5 to 7-membered ring or a substituted 5 to 7-membered ring.8. The process of wherein the coating composition further comprises one or more cure catalysts.11. The process of further comprising coating a layer of a high carbon-content organic coating on the substrate prior to step (a).12. The process of wherein the wet stripping step comprises contacting the siloxane underlayer with a mixture of sulfuric acid and hydrogen peroxide or a mixture of ammonia and hydrogen peroxide.14. The composition of further comprising one or more organic solvents.16. The composition of wherein the one or more monomers of formula (1b) and the one or more monomers of formula (2) are in a mole ratio of 1:99 to 99:1.17. The composition of wherein the blend polymer further comprises as ...

THERMOPLASTIC POLYETHER ESTER ELASTOMER COMPRISING ANHYDROSUGAR ALCOHOL DERIVATIVE AND METHOD FOR PREPARING SAME

The present invention relates to a thermoplastic polyether ester elastomer (TPEE) having a hard segment and a soft segment and a method for preparing the same and, more specifically, to a thermoplastic polyether ester elastomer and a method for preparing the same, wherein a unit derived from an anhydrosugar alcohol derivative with improved reactivity derived from biomass is contained in the soft segment, and thus through the adjustment of the content of the anhydrosugar alcohol derivative, elastic characteristics and physical characteristics (for example, hardness, etc.), which are important characteristics of an elastomer, can be favorably maintained, the melting point variously required in the molding process of a final product can be easily controlled, a problem of depletion of, especially, petroleum resources as finite resources, can be solved, and environmental friendliness can be improved. 1. A thermoplastic polyether ester elastomer consisting of a hard segment and a soft segment ,wherein the hard segment comprises an aromatic dicarboxylic compound and an aliphatic diol component as polymerized units,the soft segment comprises an aromatic dicarboxylic compound and a glycol component as polymerized units, andthe glycol component comprises an anhydrosugar alcohol-alkylene glycol.2. The thermoplastic polyether ester elastomer according to claim 1 , wherein the aromatic dicarboxylic compound is selected from the group consisting of terephthalic acid claim 1 , isophthalic acid claim 1 , 1 claim 1 ,5-dinaphthalene dicarboxylic acid claim 1 , 2 claim 1 ,6-dinaphthalene dicarboxylic acid claim 1 , dimethyl terephthalate claim 1 , dimethyl isophthalate and combinations thereof.3. The thermoplastic polyether ester elastomer according to claim 1 , wherein the aliphatic diol component is a linear aliphatic diol having 2 to 8 carbon atoms or a cyclic aliphatic diol having 3 to 8 carbon atoms.4. The thermoplastic polyether ester elastomer according to claim 1 , wherein the ...

Cross-linked polycarbonate resin with improved chemical and flame resistance

Disclosed herein are compositions including a cross-linked polycarbonate. The cross-linked polycarbonate may be derived from a polycarbonate having about 0.5 mol % to about 5 mol % endcap groups derived from a monohydroxybenzophenone. A plaque including the composition can achieve a UL94 5VA rating. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions.

RUBBER COMPOSITIONS CONTAINING IMPROVED TREAD ENHANCEMENT ADDITIVES AND USE THEREOF

The disclosure relates to a composition for use in a number of applications including tires. The composition comprises a blend of a rubber component, reinforcing particulate fillers, and based on 100 parts by weight (phr) of the rubber component; from about 5 phr to about 70 phr of a terpene phenol resin having a softening point temperature in the range of from about 100° C. to about 170° C. and having a hydroxyl value in the range from about 5 to about 30. In one embodiment, the terpene phenol resin has a number average molecular weight of from about 700 Da to about 790 Da, a weight average molecular weight of from about 930 Da to about 1090 Da, and a polydispersity index of from about 1.25 to about 1.45. 1. A terpene phenol resin having a softening point temperature in the range of from about 100° C. to about 170° C. and having a hydroxyl value in the range from about 5 to about 30.2. The terpene phenol resin of claim 1 , wherein the resin has a number average molecular weight of from about 700 Da to about 790 Da claim 1 , a weight average molecular weight of from about 930 Da to about 1090 Da claim 1 , and a polydispersity index of from about 1.25 to about 1.45.3. A composition comprising a blend of:a rubber component and based on 100 parts by weight (phr) of the rubber component;from about 50 to 200 phr of a filler;from about 0 to 25 phr of a plasticizer; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'from about 5 phr to about 70 phr of the terpene phenol resin of .'}4. The composition of claim 1 , wherein the composition is for use as a tire tread formulation claim 1 , and wherein the tire tread formulation has a wet traction indicator that is increased by about 9% and a rolling resistance indicator that is improved by about 10% to about 15% when compared to an otherwise similar composition without the terpene phenol resin of .5. The composition of claim 3 , wherein the tire tread formulation further comprises a coupling agent selected from the group of: ...

Polymers, substrates, methods for making such, and devices comprising the same

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same. 1. A method of preparing an organic polymer , comprising:polymerizing a multifunctional synthetic organic substrate with an oxidase to form said organic polymer.2. (canceled)3. The method of claim 1 , wherein said multifunctional synthetic organic substrate comprises at least two reactive moieties.4. The method of claim 3 , wherein at least one of said at least two reactive moieties comprises a moiety selected from the group consisting of an indole claim 3 , a pyrrole claim 3 , a catechol claim 3 , a tyrosyl claim 3 , a catecholamine claim 3 , and any combination thereof.5. The method of claim 3 , wherein at least one of said at least two reactive moieties comprises at least two reactive sites.68.-. (canceled)9. The method of claim 3 , wherein said at least two reactive moieties are joined by a linker claim 3 , optionally wherein said linker is conjugated.1011.-. (canceled)12. The method of claim 3 , wherein said at least two reactive moieties are different.13. (canceled)14. The method of claim 1 , further comprising co-polymerizing a natural organic substrate and said multifunctional synthetic organic substrate with said oxidase.15. (canceled)16. The method of claim 1 , wherein said multifunctional synthetic organic substrate comprises a metal.17. (canceled)18. The method of claim 1 , further comprising reacting said organic polymer with an oxidizing agent and optionally an organic substrate.1920.-. (canceled)21. An electrochemical device comprising: a working electrode; a counter electrode; and said organic polymer of claim 1 , wherein said working electrode is in operative communication with said counter electrode claim 1 , and said polymer is in operative communication with said working electrode or said counter electrode.22. (canceled)23. A method of preparing an ...

PROCESSES FOR ENHANCING FLAME RETARDANCE AND CHEMICAL RESISTANCE OF POLYMERS

Processes for increasing the chemical resistance of a surface of a formed article are disclosed. The formed article is produced from a polymeric composition comprising a photoactive additive containing photoactive groups derived from a monofunctional benzophenone. The surface of the formed article is then exposed to ultraviolet light to cause crosslinking of the photoactive additive and produce a crosslinked surface. The crosslinking enhances the chemical resistance of the surface. Various means for controlling the depth of the crosslinking are also discussed. 1. A method for forming a cross-linked polycarbonate article , comprising: a cross-linkable polycarbonate resin having endcaps derived from a monohydroxybenzophenone, a weight average molecular weight (Mw) from 15,000 to 30,000 and a PDI from 3.0 to 4.0 as measured by GPC using a UV detector and polycarbonate standards, and a monohydroxybenzophenone-derived endcap content from 3.0 to 4.5 wt %;', 'optionally one or more additional polycarbonate base resins different from the cross-linkable polycarbonate resin; and', 'a flame retardant;', 'wherein the monohydroxybenzophenone-derived endcap content of the composition is between 1.2 wt % and 4 wt %, and wherein the composition has a melt flow rate (MFR) of 7 to 20 g/10 min measured at 300° C./1.2 kg/360 sec dwell;, 'providing a composition that comprisesforming an article from the composition; andexposing the formed article to UV radiation from a UV radiation source for a time sufficient to form the cross-linked polycarbonate article;wherein the cross-linked polycarbonate article has a gel layer of at least 5 microns thickness as measured by optical microscopy, and wherein the molded article after exposure to UV radiation has a pFTP(V1) of at least 0.95 at 1.2 mm thickness after aging for 7 days at 70° C.2. The method of claim 1 , wherein the UV radiation source is a metal halide doped mercury lamp claim 1 , an electrodeless D-bulb claim 1 , an electrodeless H- ...

POLYARYLENE ETHER KETONE RESIN AND PRODUCTION METHOD THEREFOR, AND MOLDED ARTICLE

A polyarylene ether ketone resin has a repeating unit (1-1) represented by general formula (1-1) below and a repeating unit (2-1) represented by general formula (2-1) below. In the formulae, R is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, Ar1 and Ar2 are each a divalent organic group (3-1) represented by general formula (3-1) below, and n is 0 or 1. 2. The polyarylene ether ketone resin according to claim 1 , wherein the ratio of the repeating unit (1-1) to the repeating unit (2-1) is within a range of 95:5 to 50:50 in terms of molar ratio.5. The method for producing a polyarylene ether ketone according to claim 3 , wherein the ratio of the amount of the monomer (2-2) added to the amount of the monomer (3-2) added is within a range of 5:100 to 50:100 in terms of molar ratio.6. A molded article containing the polyarylene ether ketone resin according to .9. The method for producing a polyarylene ether ketone according to claim 4 , wherein the ratio of the amount of the monomer (2-2) added to the amount of the monomer (3-2) added is within a range of 5:100 to 50:100 in terms of molar ratio.10. A molded article containing the polyarylene ether ketone resin according to . The present invention relates to a polyarylene ether ketone resin and a production method therefor, and a molded article containing the polyarylene ether ketone resin.This application claims priority based on Japanese Patent Application No. 2018-008442 filed in Japan on Jan. 22, 2018, the contents of which are incorporated herein.Polyarylene ether ketone resins (may be abbreviated as “PAEK resins” hereinafter) are widely used as crystalline super engineering plastics which have excellent heat resistance, chemical resistance, toughness, etc. and which can be continuously used at high temperature for applications such as electric/electronic components, automobile components, medical components, fibers, films, and the like.As a PAEK resin, there has been well known a polyether ether ...

DIBROMO-DIIODO-DIPOLYCYCLIC COMPOUND AND ELECTRON ACCEPTOR MOLECULES DERIVED THEREFROM

The present specification provides a di-polycyclic compound, and a polymer chain consisting of alternating electron donor compounds and electron acceptor compounds, which include the di-polycyclic compound. 2. The compound of claim 1 , wherein at least one of Zand Zhas at least one substituent group bound to it that includes at least one chemical element selected from the group consisting of: fluorine claim 1 , chlorine claim 1 , bromine claim 1 , iodine claim 1 , arsenic claim 1 , antimony claim 1 , bismuth claim 1 , silicon claim 1 , tin claim 1 , germanium claim 1 , boron claim 1 , carbon claim 1 , oxygen claim 1 , nitrogen claim 1 , sulfur claim 1 , and phosphorus.3. The compound of claim 1 , wherein at least one of Zand Zdenotes a chemical element selected from the group consisting of: arsenic claim 1 , antimony claim 1 , bismuth claim 1 , silicon claim 1 , tin claim 1 , germanium claim 1 , boron claim 1 , carbon claim 1 , oxygen claim 1 , nitrogen claim 1 , sulfur claim 1 , and phosphorus.4. The compound of claim 1 , wherein at least one of Xand Xdenotes a chemical element selected from the group consisting of: fluorine claim 1 , chlorine claim 1 , bromine claim 1 , iodine claim 1 , arsenic claim 1 , antimony claim 1 , bismuth claim 1 , silicon claim 1 , tin claim 1 , germanium claim 1 , boron claim 1 , carbon claim 1 , oxygen claim 1 , nitrogen claim 1 , sulfur claim 1 , and phosphorus.5. The compound of claim 1 , wherein at least one of M claim 1 , M claim 1 , M claim 1 , M claim 1 , M claim 1 , and Mdenotes a carbon atom bound to one or both of (i) a constituent that includes at least one chemical element selected from the group consisting of: fluorine claim 1 , chlorine claim 1 , bromine claim 1 , iodine claim 1 , arsenic claim 1 , antimony claim 1 , bismuth claim 1 , silicon claim 1 , tin claim 1 , germanium claim 1 , boron claim 1 , carbon claim 1 , oxygen claim 1 , nitrogen claim 1 , sulfur claim 1 , and phosphorus claim 1 , and (ii) an electron donor ...

POLYMER COMPOSITIONS

Compositions including one or more polymers are provided. Exemplary polymers include polymeric carbon monoxides. The compositions can be prepared by subjecting a source material to x-rays, optionally at increased pressures. The compositions can be used in a variety of applications, such as fuels, optics, and electronics. 1. A method of creating a polymer comprising the steps of:loading a source material into an apparatus;sealing the apparatus;optionally pressurizing the apparatus to a selected pressure; andirradiating the source material in the apparatus with x-rays for an irradiation time, wherein the polymer is created from the source material2. The method of claim 1 , wherein the source material comprises an oxalate salt.3. The method of claim 1 , wherein the source material comprises oxalate salts and substances that react in the presence of x-rays.4. The method of claim 1 , wherein the source material is a combination of oxalate salts and substances that do not react in the presence of x-rays.5. The method of claim 1 , wherein the source material is a combination of oxalate salts claim 1 , substances that react in the presence of x-rays claim 1 , and substances that do not react in the presence of x-rays.6. The method of claim 3 , wherein the substance that reacts in the presence of x-rays comprises KBF.7. The method of claim 4 , wherein the substance that does not react in the presence of x-rays comprises BaCO.8. The method of claim 2 , wherein the oxalate salt comprises a cation which is chosen from the group consisting of magnesium claim 2 , hydrogen claim 2 , barium claim 2 , calcium claim 2 , and strontium.9. The method of claim 1 , wherein the apparatus is a diamond anvil cell or a high volume press.10. The method of claim 1 , wherein said selected pressure is in the range of about 0.5 GPa to about 7 GPa.11. The method of claim 1 , wherein said x-rays have an irradiation energy in the range of about 7 keV to about 15 keV.12. The method of claim 1 , ...

POLYMER NONWOVEN NANOWEB HAVING IONIC FUNCTIONAL GROUP AND RESPIRATOR MASK COMPRISING THE SAME

Polymer nonwoven nanoweb containing ionic functional group and respiratory mask including the same are provided. The polymeric nonwoven web comprises polymer fibers having a diameter in the nanometer range and having a polymer with an ionic functional group in its main chain or side chain. The ionic functional group may be a sulfonate group, an ammonium group, an azanide group, a phosphonate group, a phosphate group, or a zwitterion group having two of these ionic functional groups linked. The polymeric nonwoven web may further comprise a counter ion having a charge of opposite sign to the charge of the ionic functional group, such as Ag or I. 1. A polymeric nonwoven web comprising:polymer fibers having a diameter in the nanometer range and having a polymer with an ionic functional group in its main chain or side chain.2. The polymeric nonwoven web of claim 1 ,wherein the ionic functional group includes a sulfonate group, an ammonium group, an azanide group, a phosphate group, or a zwitterion group having two of these linked.3. The polymeric nonwoven web of claim 2 ,wherein the ammonium group is a quaternary ammonium group.4. The polymeric nonwoven web of claim 2 ,wherein the ionic functional group including the azanide group is a sulfadiazinyl group.5. The polymeric nonwoven web of claim 2 ,wherein the ionic functional group including the zwitterion group is a phosphorylcholine group.6. The polymeric nonwoven web of claim 1 , further comprising:{'sup': +', '−, 'Agor I as a counter ion having a charge of opposite sign to the charge of the ionic functional group.'}7. The polymeric nonwoven web of claim 1 ,wherein the polymer is polystyrene, polymethyl methacrylate, polyarylene ether, polyurethane or a copolymer of two or more thereof.8. The polymeric nonwoven web of claim 1 ,wherein the polymer is a copolymer of a monomer unit having the ionic functional group and a monomer unit having no ionic functional group.9. The polymeric nonwoven web of claim 8 ,wherein the ...

POLYMERIC BIOMATERIALS DERIVED FROM PHENOLIC MONOMERS AND THEIR MEDICAL USES

The present invention provides new classes of phenol compounds, including those derived from tyrosol and analogues, useful as monomers for preparation of biocompatible polymers, and biocompatible polymers prepared from these monomeric phenol compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabilty and processibility are useful in a variety of medical applications, such as in medical devices and controlled-release therapeutic formulations. The invention also provides methods for preparing these monomeric phenol compounds and biocompatible polymers. 3. The polymer of claim 2 , wherein A is CH claim 2 , Y is selected from the group consisting of (CH) claim 2 , (CH) claim 2 , CHOCH claim 2 , (CH) claim 2 , CHCH═CHCH claim 2 , (CH) claim 2 , (CH) claim 2 , and (CH).4. The polymer of claim 2 , wherein A is or CHCH claim 2 , Y is selected from the group consisting of (CH) claim 2 , (CH) claim 2 , CHOCH claim 2 , (CH) claim 2 , CHCH═CHCH claim 2 , (CH) claim 2 , (CH) claim 2 , and (CH).6. The polymer of claim 5 , wherein B is —O—CO—CHCH.7. The polymer of claim 5 , wherein B is —O—CO—CHCHCH.8. The polymer of claim 5 , wherein B is —O—CO—CHOCH.9. A polymer composition comprising a biocompatible polymer of . This application is a continuation-in-part application of U.S. patent application Ser. No. 15/208,709, filed on Jul. 13, 2016, which is a divisional application of U.S. patent application Ser. No. 13/757,752, filed on Feb. 2, 2013, now U.S. Pat. No. 9,416,090, which claims priority under 35 U.S.C. § 119(e) to U.S. Provisional Patent Application Ser. No. 61/726,321, filed on Nov. 14, 2012, and Ser. No. 61/594,380, filed on Feb. 3, 2012. All of the above applications prior to the present application are hereby incorporated by reference in their entirety.The present invention relates to new classes of monomeric phenol compounds useful for preparation of biocompatible polymers and ...

AROMATIC POLYKETONE, METHOD OF PRODUCING THE SAME, AROMATIC POLYKETONE COMPOSITION, AROMATIC POLYKETONE FILM, OPTICAL ELEMENT, AND IMAGE DISPLAY APPARATUS

An aromatic polyketone including, in a structural unit, at least one alicyclic skeleton and at least one carbon atom bound by two rotatable single bonds, or an aromatic polyketone including a structural unit represented by the following Formula (1), the following Formula (2), or the following Formula (4), and a structural unit represented by the following Formula (5) is provided. 1. An aromatic polyketone comprising , in a structural unit , at least one alicyclic skeleton and at least one carbon atom bound by two rotatable single bonds.4. An aromatic polyketone composition comprising the aromatic polyketone according to claim 1 , and a solvent.5. An aromatic polyketone film comprising the aromatic polyketone according to .6. An optical element comprising the aromatic polyketone film according to .7. An image display apparatus comprising the aromatic polyketone film according to .9. An aromatic polyketone composition comprising the aromatic polyketone according to claim 2 , and a solvent.10. An aromatic polyketone composition comprising the aromatic polyketone according to claim 3 , and a solvent.11. An aromatic polyketone film comprising the aromatic polyketone according to .12. An aromatic polyketone film comprising the aromatic polyketone according to .13. An optical element comprising the aromatic polyketone film according to .14. An optical element comprising the aromatic polyketone film according to .15. An image display apparatus comprising the aromatic polyketone film according to .16. An image display apparatus comprising the aromatic polyketone film according to . The present invention relates to an aromatic polyketone, a method of producing an aromatic polyketone, an aromatic polyketone composition, an aromatic polyketone film, an optical element, and an image display apparatus.Aromatic polyketones having an aromatic ring and a carbonyl group in the main chain, disclosed in Japanese Patent Application Laid-Open (JP-A) No. S62-7730 and the like, have ...

RADIOPAQUE POLYMERS

A hydrophilic polymer comprising pendent groups of the formula I: Wherein: W is independently selected from —OH, —COOH, —SOH, —OPOH, —O—(Calkyl), —O—(Calkyl)OH, —O—(Calkyl)R, —O—(CHO)R—(C═O)—O—Calkyl and —O—(C═O)Calkyl; or a group —BZ; wherein —OH, COOH, O—POH and SOH maybe in the form of a pharmaceutically acceptable salt; wherein: B is a bond, or a straight branched alkanediyl, oxyalkylene, alkylene oxaalkylene, or alkylene (oligooxalkylene) group, optionally containing one or more fluorine substituents; and Z is an ammonium, phosphonium, or sulphonium phosphate or phosphonate ester zwitterionic group; X is either a bond or a linking group having 1 to 8 carbons and optionally 1 to 4 heteroatoms selected from O, N and S; G is a coupling group through which the group of the formula I is coupled to the polymer and is selected from ether, ester, amide, carbonate, carbamate, 1,3 dioxolone, and 1,3 dioxane; Ris H or Calkyl; Ris —COOH, —SOH, or —OPOHq is an integer from to 4; n is an integer from 1 to 4; p is an integer from 1 to 3; and n+p is from 2 to 5; and wherein —COOH, —OPOHand —SOH as well as phenolic —OH maybe in the form of a pharmaceutically acceptable salt. 2. A polymer according to which is a polyhydroxylated polymer and G is selected from ether claim 1 , ester claim 1 , carbonate claim 1 , carbamate claim 1 , 1 claim 1 ,3 dioxolone claim 1 , and 1 claim 1 ,3 dioxane;3. A polymer according to which is a polycarboxylated polymer and G is selected from ester and amide.4. A polymer according to or which is a polymer or co-polymer of polyvinyl alcohol and wherein the groups of the formula I are coupled through hydroxyl groups of the polyvinyl alcohol.5. A polymer according to or which is a homopolymer or co-polymer of PVA and wherein the groups of the formula I are coupled through hydroxyl groups of the polyvinyl alcohol.7. A polymer of any preceding claim in which n is two or three.8. A polymer according to any preceding claim in which the phenyl ring of the ...

POLYKETONE COMPOSITION, POLYKETONE MEMBRANE, SUBSTRATE WITH POLYKETONE MEMBRANE, OPTICAL ELEMENT, IMAGE DISPLAY DEVICE, COVERED MEMBER AND MOLDED ARTICLE

A polyketone composition contains: a polyketone containing a structural unit represented by the following Formula (I), and inorganic particles; in which a content of the inorganic particle is from 10 parts by mass to 70 parts by mass, based on 100 parts by mass of a total amount of the polyketone and the inorganic particles, and an average particle diameter of the inorganic particles is from 10 nm to 200 nm. In Formula (I), each X independently represents a bivalent group that has from 1 to 50 carbon atoms and that may have a substituent group, each Y independently represents a bivalent hydrocarbon group that has from 1 to 30 carbon atoms and that may have a substituent group, and n represents an integer from 1 to 1,500 2. The polyketone composition according to claim 1 , wherein claim 1 , in a case in which the polyketone composition configures a membrane having a thickness of 10 μm claim 1 , haze is less than 1%.3. The polyketone composition according to claim 1 , wherein claim 1 , in a case in which the polyketone composition configures a membrane claim 1 , a transmittance of visible light with a wavelength of 400 nm is 85% or more in terms of a 1 μm film thickness equivalent.4. The polyketone composition according to claim 1 , wherein each X independently comprises a bivalent group that has from 6 to 50 carbon atoms and that has an aromatic ring.6. The polyketone composition according to claim 1 , wherein claim 1 , in Formula (I) claim 1 , Y comprises a bivalent saturated hydrocarbon group.7. The polyketone composition according to claim 6 , wherein claim 6 , in Formula (I) claim 6 , Y comprises a bivalent saturated alicyclic hydrocarbon group.8. The polyketone composition according to claim 1 , wherein claim 1 , in Formula (I) claim 1 , Y has from 6 to 30 carbon atoms.9. The polyketone composition according to claim 1 , wherein the inorganic particles are silica particles.10. The polyketone composition according to claim 1 , further comprising a solvent.11. A ...

Cyanate resin blends and radomes including them

Certain embodiments are directed to cyanate resin blends comprising, for example, a mixture of a cyanate monomer and a cyanate oligomer. The resin blends are effective to provide a dielectric constant of less than 2.7, a glass transition temperature of at least 150° C. and a moisture absorption of less than 1.5%. Radomes using the resin are also described.

SYNTHESIS OF AND CURING ADDITIVES FOR PHTHALONITRILES

A composition having a mixture of the below compounds having a mole ratio of at least 1:20. Arand Arare independently selected aromatic groups. A composition comprising phthalonitrile compounds that comprise at least 5 mol % of the first compound below. 2. The composition of claim 1 , wherein the first compound and the second compound together make up at least 50 mol % of all the phthalonitrile compounds in the composition.3. The composition of claim 1 , wherein Arhas an electron-withdrawing group bound to each aromatic ring that is bound to the oxygen atoms that bridge the Argroups to the Argroup.4. The composition of claim 3 , wherein the electron-withdrawing group is a carbonyl group claim 3 , a sulfonyl group claim 3 , a sulfinyl group claim 3 , or a phosphoryl group.5. The composition of claim 1 , wherein Aris a residue from a bisphenol claim 1 ,2,2-bis(4-hydroxyphenyl)propane,2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane, or resorcinol.6. The composition of claim 1 , wherein Aris a residue from a dichlorobenzophenone or 4 claim 1 ,4′-dichlorobenzophenone.7. A thermoset made by curing the composition of .9. The composition of claim 8 , wherein Aris a residue from a bisphenol claim 8 ,2,2-bis(4-hydroxyphenyl)propane,2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane, or resorcinol.10. A thermoset made by curing the composition of .11. A method comprising: a dichloroaromatic compound comprising an electron-withdrawing group bound to each aromatic ring containing one of the chloride groups;', 'wherein the molar ratio of the dihydroxyaromatic compound to the dichloroaromatic compound is greater than 2:1;', 'a dihydroxyaromatic compound or anion thereof;'}, 'an alkaline hydroxide base; and', 'a solvent; and, 'providing a solution comprising 'wherein water formed during the heating is concurrently distilled from the solution.', 'heating the solution to a temperature at which the dichloroaromatic compound and the dihydroxyaromatic compound react to form a ...

Cross-linked polycarbonate resin with improved chemical and flame resistance

Disclosed herein are compositions including a cross-linked polycarbonate. The cross-linked polycarbonate may be derived from a polycarbonate having about 0.5 mol % to about 5 mol % endcap groups derived from a monohydroxybenzophenone. A plaque including the composition can achieve a UL94 5VA rating. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions.

Polymeric peroxycarbonates and process for making them

The present invention relates to polymeric peroxycarbonates, a process for making the polymeric peroxycarbonates and initiator compositions comprising these polymeric peroxycarbonates. The polymeric peroxycarbonates of the present invention provide significant advantages in the polymerization of vinyl monomers.

고분자 과산화물 중합개시제, 및 블럭 공중합체의 제조방법

내용 없음.

Method for producing aliphatic polymer having ketone group in main chain and method for producing composition comprising aliphatic polymer having ketone group in main chain

A method for synthesizing an aliphatic polymer having a ketone group in the main chain thereof, which comprises polymerizing a polyhydric alcohol (for example, glycerol) as a raw material in the presence of a catalyst; and a method for producing a composition containing an aliphatic polymer having a ketone group in the main chain thereof, which comprises the above mentioned step.

Ring-opening polymerizations using a flow reactor

Techniques regarding the synthesis of one or more polymers through one or more ring-opening polymerizations conducted within a flow reactor and facilitated by one or more anionic catalysts are provided. For example, one or more embodiments can comprise a method, which can comprise polymerizing, via a ring-opening polymerization within a flow reactor, a cyclic monomer in the presence of one or more anionic organocatalysts.

Polymeric peroxy ester and its use

내용 없음. No content.

POLYMERIC PEROXYCARBONATES AND PROCEDURE FOR PREPARING THEM.

SE PRESENTAN NUEVOS PEROXICARBONATOS POLIMERICOS. TAMBIEN SE PRESENTAN COMPOSICIONES INICIADORAS QUE COMPRENDEN UNO O MAS DE LOS PEROXICARBONATOS POLIMERICOS ANTES IDENTIFICADOS Y UN PROCESO PARA FABRICAR LOS PEROXICARBONATOS POLIMERICOS. NEW POLYMERIC PEROXYCARBONATES ARE PRESENTED. ALSO PRESENTING COMPOSITIONS INCLUDING ONE OR MORE OF THE POLYMERIC PEROXYCARBONATES BEFORE IDENTIFIED AND A PROCESS FOR MANUFACTURING THE POLYMERIC PEROXYCARBONATES.

Polymeric peroxycarbonates and process for making them

Novel polymeric peroxycarbonates are disclosed. Also disclosed are initiator compositions comprising one or more of the above-identified polymeric peroxycarbonates and a process for making these polymeric peroxycarbonates.

Polymeric peroxycarbonates and process for making them

Novel polymeric peroxycarbonates are disclosed. Also disclosed are initiator compositions comprising one or more of the above-identified polymeric peroxycarbonates and a process for making these polymeric peroxycarbonates.

Polymeric peroxycarbonate and method for producing the same

POLYMERS CONTAINING PEROXYCARBONATE GROUPS AND METHOD FOR THE PRODUCTION THEREOF

Peroxy derivatives of 2, 5-dimethylhexane-2, 5-dihydroperoxide

Method for preparing polyperoxydicarbonate esters

Dialkyl alkylenebis(peroxydicarbonates) and oxyalkylenebis(peroxydicarbonates) and corresponding higher polyfunctional peroxydicarbonic acid esters are useful initiators of vinyl polymerization. These compounds are prepared by reacting a sodium alkylperoxycarbonate with a diol bis(chloroformate) at from about -10°C to about 20°C.

Polymer from peroxy compounds containing acylating groups

Polymers of the formula [(A n .sbsb.1 -R-D n .sbsb.2) v P n .sbsb.3 ] w Z n .sbsb.4 where A is a peroxy-containing group; R is a 2-4 valent aliphatic, cycloaliphatic or aromatic radical; P is a polyvalent polymeric residue; D is a carbonyl-containing connecting group; and Z is a terminal group, such polymers being useful with vinyl monomers in the formation of block and graft polymers.

Polymeric peroxy ester and its use

A polymeric peroxy ester, which consists of a structural unit represented by the formula (I): and a structural unit represented by the general formula (II): , wherein R represents -CH₂CH₂-, -C≡C- or and has an average molecular weight of 1,000-15,000, said structural units (I) and (II) being bonded alternately in a molar ratio within the range of from 6:4 to 4:6, has a 10-hour half-life period temperature of 70-85°C and a high activity at relatively high temperature, is safe in the production and handling, is adapted to be used as a polymerization initiator in the polymerization of vinyl monomer, and can produce a vinyl polymer having a high molecular weight.

Ester-type polymeric peroxides

A novel polymeric peroxide used as a free radical polymerization initiator for vinyl monomers is a compound alternately bonding the two particular structural units in random form and having two different thermal decomposition rates.

POLYMERS CONTAINING PEROXYCARBONATE GROUPS AND METHOD FOR THE PRODUCTION THEREOF

Polymerization catalyst for polyketone

((2,2-dimethyl-1,3-dioxane-5,5-diyl) bis (methylene)) as a ligand constituting a polyketone polymerization catalyst. More particularly, (2-methoxyphenyl) phosphine), a novel polyketone polymerization catalyst which is high in activity, has a simple structure and a small molecular weight, reduces the manufacturing cost and enables commercial mass synthesis, and a process for producing the ligand ≪ / RTI >

Novel copolymer of so2 and ethylene

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Polyketone polymerization catalyst

Anion exchange electrolyte membrane, method for preparing the same, energy storage and water treating apparatus comprising the same

본 발명은 음이온교환막 및 그 제조방법에 대한 것으로, 보다 구체적으로는 방향족 탄화수소계 고분자 기반의 음이온전도성 전해질막 및 상기 전해질막을 포함하는 에너지 저장 장치 및 수처리장치에 관한 것이다. The present invention relates to an anion exchange membrane and a method for producing the same, and more particularly, to an energy storage device and a water treatment apparatus including an aromatic hydrocarbon-based polymer-based anion conductive electrolyte membrane and the electrolyte membrane.

Method of processing reaction mixture formed during nucleophilic synthesis of polyarylene ether ketones

FIELD: chemistry. SUBSTANCE: method is proposed for processing a reaction mixture formed during synthesis of polyarylene ether ketones by reacting an aromatic dihalogen compound with bisphenol and/or halogen phenol in the presence of a carbonate of alkali and/or alkali-earth metals in a high-boiling aprotic solvent to form a polyarylene ether ketone, which involves steps for crushing the solidified reaction mixture in the presence of water, two-step washing with organic solvent and water and drying the washed product, wherein during two-stage washing, wet crushed reaction mixture has residual moisture of 1 to 30 wt %. EFFECT: reduced residual content of salts and reaction solvent without hardware overhead. 3 cl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 373 230 (13) C2 (51) МПК C08G 65/40 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007117483/04, 11.05.2007 (24) Дата начала отсчета срока действия патента: 11.05.2007 (73) Патентообладатель(и): Дегусса ГмбХ (DE) (43) Дата публикации заявки: 20.11.2008 2 3 7 3 2 3 0 (45) Опубликовано: 20.11.2009 Бюл. № 32 (56) Список документов, цитированных в отчете о поиске: ЕР 0244167 А1, 04.11.1987. RU 2063404 C1, 10.07.1996. JP 9328541 A, 22.12.1997. US 2005107571 А1, 19.05.2005. JP 10030022 A, 03.02.1998. 2 3 7 3 2 3 0 R U (54) СПОСОБ ПЕРЕРАБОТКИ РЕАКЦИОННОЙ СМЕСИ, ОБРАЗОВАННОЙ ПРИ ПОЛУЧЕНИИ ПОЛИАРИЛЕНЭФИРКЕТОНОВ НУКЛЕОФИЛЬНЫМ ПУТЕМ бисфенолом и/или галогенфенолом в присутствии карбоната щелочных и/или щелочноземельных металлов в высококипящем апротонном растворителе, который включает стадии измельчения застывшей реакционной смеси в присутствии воды, двухстадийную промывку - органическим растворителем и водой и сушку промытого продукта, при этом на двухстадийную промывку подают влажно-измельченную реакционную смесь с остаточной влажностью 1-30 мас.%. 1 н. и 2 з.п. ф-лы. Ñòð.: 1 ru C 2 C 2 Адрес для переписки: 105064, Москва, а/я ...

Polyarylene ether ketone resin, its manufacturing method, and molded product

下記一般式（１−１）、（２−１）及び（３−１）で表される繰り返し単位を有するポリアリーレンエーテルケトン樹脂である。（式中、ｍ１は１〜３のいずれかの整数である。）（式中、ｍ２は１〜３のいずれかの整数である。）（式中、ｎは０〜２のいずれかの整数である。） It is a polyarylene ether ketone resin having a repeating unit represented by the following general formulas (1-1), (2-1) and (3-1). (In the formula, m1 is an integer of 1 to 3.) (In the formula, m2 is an integer of 1 to 3.) (In the formula, n is an integer of 0 to 2. Is.)

Method of low melting polyketone

본 발명은 저융점 폴리케톤 제조 시 프로필렌의 함량을 높여 저융점 폴리케톤을 중합하는 경우에 발생하는 중합속도의 저하와 생산성 저하의 문제를 해결하기 위해, 제조된 폴리케톤에 하이드라이드 음이온 제공체를 투입하는 것을 특징으로 하는 저융점 폴리케톤의 제조방법을 제공한다.

Polyarylene ether ketone resin, manufacturing method thereof, and molded article

하기 일반식(1-1)으로 표시되는 반복 단위(1-1)와, 하기 일반식(2-1)으로 표시되는 반복 단위(2-1)를 갖는 폴리아릴렌에테르케톤 수지. 식 중, R은 수소 원자 또는 탄소수 1∼4까지의 알킬기이며, Ar1 및 Ar2는 하기 일반식(3-1)으로 표시되는 2가의 유기기(3-1)이며, n은 0 또는 1이다. A polyarylene ether ketone resin having a repeating unit (1-1) represented by the following general formula (1-1) and a repeating unit (2-1) represented by the following general formula (2-1). In the formula, R is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, Ar1 and Ar2 are a divalent organic group (3-1) represented by the following general formula (3-1), and n is 0 or 1.

Resin powder for three-dimensional modeling, apparatus for producing three-dimensional model, and method for producing three-dimensional model

Process for the production of carboxylic acid esters, ethers or acetals of 2, 5-dimethylhexane-2, 5-dihydroperoxide

Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object

A resin powder for solid freeform fabrication wherein the resin powder comprises particles having a pillar-like form and satisfies at least one of the following conditions (1) to (3):(1): Tmfl > Tmf2 and (Tmfl - Tmf2) ≥ 3 degrees C, both Tmfl and Tmf2 are measured in differential scanning calorimetry measuring according to ISO 3146,(2): Cd1 > Cd2 and (Cd1 - Cd2) ≥ 3 percent, both Cd1 and Cd2 are measured in differential scanning calorimetry measuring according to ISO 3146, and(3): C × 1 > C × 2 and (C × 1 - C × 2) ≥ 3 percent.

Orthoester polymers

ABSTRACT The invention concerns orthoester and orthocarbonate polymers comprising a repeating mer of the general formula: wherein R1 is a multivalent radical derived from a polyol; and the group

Polyarylene ether ketone resin, its manufacturing method, and molded article

下記一般式（１−１）、（２−１）及び（３−１）で表される繰り返し単位を有するポリアリーレンエーテルケトン樹脂である。（式中、ｍ１は１〜３のいずれかの整数である。）（式中、ｍ２は１〜３のいずれかの整数である。）（式中、ｎは０〜２のいずれかの整数である。）

POLYMERS

Patent FR1499094A

New fluorinated products containing oxygen and process for preparing them

Patent JPS5410037B2

Patent FR2007984A1

Polymeric biomaterials derived from phenolic monomers and their medical uses

The present invention provides new classes of phenol compounds, including those derived from tyrosol and analogues, useful as monomers for preparation of biocompatible polymers, and biocompatible polymers prepared from these monomelic phenol compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabiltv and processibiiity are useful in a variety of medical applications, such as in medical devices and conirolied-release therapeutic formulations. The invention also provides methods for preparing these mouomeric phenol compounds and biocompatible polymers.

Manufacture of oil-soluble synthetic resins

Oil-soluble synthetic resins are made (1) by causing an aromatic compound containing a readily exchangeable halogen to react with a recent natural resin and esterifying with a mono- or polyhydric alcohol, or (2) by causing an aromatic compound containing a readily exchangeable halogen atom to react with a product obtained by esterifying a recent natural resin with a mono- or polyhydric alcohol. In examples (1) American colophony and benzyl chloride are condensed in presence of zinc chloride as catalyst and the product esterified with glycerol in xylene; (2) Swedish resin is fused with benzalbromide a solvent, e.g. chlorbenzene being added towards the end of the reaction and the product esterified with glycol; (3) manila copal is condensed with xylyl chloride (from commercial xylene and chlorine) and the resin treated with benzyl alcohol; (4) American colophony is condensed with the product obtained by treating xylene with hydrochloric acid and formaldehyde so that a mixture of mono- and di-chlorinated products is formed and towards the end of the reaction tetrahydronaphthalene is added whereupon the resin is heated with glycerine; (5) the product from German pine resin and p-tolylchloride-carboxylic acid (from p-tolylbenzoic acid and chlorine) is esterified with glycerine; (6) retene is chlorinated and the product fused with a colophony-glycerine ester in presence of rosin oil; (7) colophony is chlorinated in chlorbenzene until the product corresponds to about one atom of chlorine to four molecules of abietic acid and the product heated so that the chlorinated rosin acid reacts with the non-chlorinated acid, whereupon the resin obtained is esterified with glycerine; (8) an ester resin from French colophony and glycerine is condensed with di-w-chlormethylxylene (from m-xylene, hydrochloric acid and formaldehyde); (9) chlorinated anisole containing two Cl-CH2- groups (from anisole, hydrochloric acid and formaldehyde) is fused with colophony and the product esterified ...

Ester-type polymeric peroxides

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Polyether condensates from poly-(n-methylol) compounds and polyhydric alcohols

Polyethers preferably with a molecular weight of at least 750 and containing one or more chains having terminal hydroxyl and/or methylol groups, said chains comprising at least two nitrogen atoms, have a radical containing at least one ether or thioether bridge joined to a carbon chain of more than two carbon atoms linked to at least one of the nitrogen atoms by means of a -CH2O- grouping. They are produced by condensing under acid conditions preferably in an organic solvent a poly-N-methylol compound, or an ether thereof with a monofunctional alcohol, with a polyhydric alcohol containing at least one ether or thioether bridge connected to a carbon chain having more than two carbon atoms. Suitable poly-(N-methylol) starting materials are the methylol derivatives of urea, thiourea, methylene diurea, methylene dithiourea, diurea, dithiourea, hydrazodicarbonamide, melamine, hydrazodicarboxylic acid esters, ethylene urea, ethylene thiourea, or mixtures thereof with one another or with poly-methylol derivatives of substances such as guanidine, dicyandiamide, diurethanes, hexamethylene diurea. Suitable polyhydric alcohol starting materials are the hydroxyethyl derivatives of tri-, tetra-, penta- or hexamethylene glycols of glycerol, trimethylol propane, or pentaerythritol; the mono-fatty acid esters of hydroxy-ethylated polyhydric alcohols, polytetrahydrofurane, adducts of ethylene or propylene oxide with 4, 41-dihydroxydiphenyldimethylmethane or with 4, 41-dihydroxydiphenylsulphone, or hydroxyethylated derivatives of glycol urethanes, of thiodiglycol, or of polyethers. Polyhydric alcohols not containing ether or thioether bridges may be used together with those of the invention. Preferably the methylol starting materials are prepared in presence of the polyhydric alcohol with which they are to be reacted. Water formed in the reaction is removed azeotropically or by distillation at low pressure. When using simple ethers of the polymethylol starting materials, alcohol is ...

Composition of matter and method of making the same

Functionalized polymer compositions

Drug delivery devices manufactured from poly(orthoesters) and poly(orthocarbonates)

The invention concerns orthoester and orthocarbonate polymers having a repeating mer comprising a hydrocarbon radical and a symmetrical dioxycarbon unit of the general formula: ##STR1## WHEREIN R 1 is a multivalent hydrocarbon radical, R 2 and R 3 are hydrocarbon radicals with at least one of R 2 or R 3 bonded to the dioxycarbon through an oxygen linkage, and which polymers are synthesized by reacting a polyol with an orthoester or orthocarbonate. The polymers are useful for making articles of manufacture, including devices and coatings for delivering beneficial agents.

Flexible fibres on carrier

Non-porous flexible fibres on carrier - material by surface photopolymerisation

Peroxide compositions with reactive diluents

The invention relates to peroxide compositions comprising a reactive diluent for the peroxide, wherein the diluent is either a component containing one or more vinyl ether group(s) and having a monomeric structure according to formula 1, (A-CH=CH-O)n-R, or is a suitable resinous compound comprising, in a covalently built-in manner, a component containing one or more vinyl ether group(s). In the formula A represents hydrogen or an alkyl group with 1-3 C atoms, and individual A groups may be different; R either represents an aliphatic group, optionally branched, with 1-20 C atoms, etc. or represents a polyethylene or polypropylene glycol with 2 to 120 glycol units, etc. and n is 1,2,3 or 4. The resinous compounds comprising, in a covalently built-in manner, a component containing one or more vinyl ether group(s) are obtained by reaction of: a) a first compound (the HVE-compound) containing at least one hydroxyl group and at least one vinyl ether group, and b) a second compound (the D/HIC-compound), being an isocyanate, reacting with formation of one or more urethane group(s), and c) a third compound (the G/P/HP-compound) chosen from the groups of (1) C2-6 glycols, (2) C5-20 polyols having 2-5 hydroxyl groups and (3) hydroxyl terminated polyester compounds, not being alkyd resins, having 1-5 free hydroxyl groups and from 2-50 monomeric ester units (the G/P/HP-compound), or mixtures thereof. The invention also relates to the preparation of such compositions and to the use of such reactive diluents for peroxides in radically curing of unsaturated polyester resins for structural applications.

Cross-linked polycarbonate resin with improved chemical and flame resistance

Disclosed herein are compositions including a cross-linked polycarbonate. The cross-linked polycarbonate may be derived from a polycarbonate having about 0.5 mol% to about 5 mol% endcap groups derived from a monohydroxybenzophenone. A plaque including the composition can achieve a UL94 5VA rating. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions.

Polymeric biomaterials derived from phenolic monomers and their medical uses

Thermoplastic polyether ester elastomer comprising anhydrosugar alcohol derivative and method for preparing same

The present invention relates to a thermoplastic polyether ester elastomer (TPEE) having a hard segment and a soft segment and a method for preparing the same and, more specifically, to a thermoplastic polyether ester elastomer and a method for preparing the same, wherein a unit derived from an anhydrosugar alcohol derivative with improved reactivity derived from biomass is contained in the soft segment, and thus through the adjustment of the content of the anhydrosugar alcohol derivative, elastic characteristics and physical characteristics (for example, hardness, etc.), which are important characteristics of an elastomer, can be favorably maintained, the melting point variously required in the molding process of a final product can be easily controlled, a problem of depletion of, especially, petroleum resources as finite resources, can be solved, and environmental friendliness can be improved.

Polymers, substrates, methods for making such, and devices comprising the same

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

IMPROVED PROCEDURE FOR THE PREPARATION OF POLYMERS OF ORTHOSTERES AND ORTOCARBONATES

Polyanhydrides

Process for the production of colored articles composed of poly-alpha-olefins

Preparing poly(arylene) ketones

ABSTRACT The preparation of poly(arylene ketones) and in par-ticular all para-linked poly(arylene ether ketones) by Friedel-Crafts polymerization in the presence of a Lewis acid generally results in an intractible reaction product difficult to remove from the reaction vessel and difficult to purify. The addition of a liquefaction agent, such as a hydrogen halide and in particular hydrogen chloride, to the reaction mixture, results in a tractible gel or a liquid which can be readily handled. The hydrogen halide is preferably under pressure and a diluent may also be added along with the hydrogen halide.

Polymer nonwoven nano-net having ionic functional group and respiratory mask comprising the same

提供了一种具有离子官能团的聚合物非织造纳米网以及包括该聚合物非织造纳米网的呼吸口罩。所述聚合物非织造网是由聚合物纤维形成的非织造网，所述聚合物纤维在主链或侧链上具有离子官能团并且具有纳米范围的直径。所述离子官能团可以是包括磺酸盐基团、羧酸盐基团、铵基、胺基、膦酸盐基团、磷酸盐基团或者具有彼此连接的两个上述基团的两性离子基团的离子官能团。所述聚合物非织造网还可以包含作为具有与离子官能团的电荷相反符号的电荷的反离子的Ag + 或I ‑ 。

Process for the preparation of thermally stable polyoxymethylene copolymers

A process for the preparation of polyoxymethylene copolymers, wherein 1,3,5-trioxane as polymerized with generally known comonomers in the presence of a strong protonic acid initiator and in the presence of a formaldehyde dialkyl acetal, and wherein the initiator is dissolved in the formaldehyde dialkyl acetal before admixing to the trioxane and the comonomers.

Method of preparing aliphatic polymer having ketone group in main chain thereof and method of preparing composition containing the same

The present invention discloses a method of synthesizing an aliphatic polymer having a ketone group in the main chain thereof, in which polyhydric alcohol (for example, glycerin) as a raw material is polymerized in the presence of a catalyst, and a method of preparing a composition containing an aliphatic polymer having a ketone group in the main chain thereof, including such a process.

Curable mixtures suitable for the manufacture of moldings and surface coatings

Copolyether ketone

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Pharmaceutical composition

The present invention provides a pharmaceutical composition comprising: a multi-branched copolymer comprising at least three polyester arms, wherein the polyester is poly(ε-caprolactone-co-lactic acid), attached to a central core which comprises a polyether, and wherein the multi-branched copolymer is substantially insoluble in aqueous solution, further comprising at least one pharmaceutically active ingredient, and a pharmaceutically acceptable organic solvent in an amount of at least 20% (w/w%) of the total composition.

New process for the preparation of oxygenated derivatives of unsaturated compounds

Rigid-Rod Polymers

High-performance polymers having a rigid-rod backbone comprising a chain length of at least 25 organic monomer units joined together by covalent bonds wherein at least about 95% of the bonds are substantially parallel; and solubilizing organic groups attached to at least 1% of the monomer units. The polymers are prepared in a solvent system which is a solvent for both the monomer starting materials and the rigid-rod polymer product.

Polymers, substrates, methods for making such, and devices comprising the same

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

Photopolymerized film, composite thereof, and method of forming

A thin, continuous film is formed on a substrate by the ultraviolet surface polymerization of the vapor of an imide containing photopolymerizable organic material. Such films are useful as coatings on metallic and nonmetallic substrates, capacitor dielectrics, cryogenic device insulation, insulation for microelectric devices, insulation on electrically conductive wire, and for corrosion protection.

Heteroatom containing cyclic dimers

The present invention provides cyclic dimers of alpha acids and polymers derived therefrom. Also provided are processes for preparing and methods of using the cyclic dimers and the polymers derived from the cyclic dimers.

Cross-linked polycarbonate resin with improved chemical resistance and anti-flammability

本文中公开了包含交联聚碳酸酯的组合物。交联聚碳酸酯可以获得自具有约0.5mol％至约5mol％的获得自单羟基二苯甲酮的封端基团的聚碳酸酯。包含该组合物的饰板可以达到UL94 5VA等级。本文中还公开了包含该组合物的制品、使用该组合物的方法以及用于制备该组合物的方法。

Peroxide compositions with reactive diluents.

The invention relates to peroxide compositions comprising a reactive diluent for the peroxide, wherein the diluent is a component containing one or more vinyl ether group(s) and having a monomeric structure according to formula 1, (A-CH=CH-O)n-R, or being covalently built-in into a suitable resinous compound. In the formula A represents hydrogen or an alkyl group with 1-3 C atoms, and individual A groups may be different R either represents an aliphatic group, optionally branched, with 1-20 C atoms, etc. or represents a polyethylene or polypropylene glycol with 2 to 10 glycol units, etc. and n is 1, 2, 3 or 4. The components with one or more vinyl ether group(s) covalently built-in into a suitable resinous compound are obtained by reaction of: a) a first compound (the HVE-compound) containing at least one hydroxyl group and at least one vinyl ether group, and b) a second compound (the D/HIC-compound), being an isocyanate, reacting with formation of one or more urethane group(s), and c) a third compound (the G/P/HP-compound) chosen from the groups of (1) C2-6 glycols, (2) C5-20 polyols having 2-5 hydroxyl groups and (3) hydroxyl terminated polyester compounds, not being alkyd resins, having 1-5 free hydroxyl groups and from 2-50 monomeric ester units (the G/P/HP-compound), or mixtures thereof. The invention also relates to the preparation of such compositions and to the use of such reactive diluents for peroxides in radically curing of unsaturated polyester resins for structural applications.

PROCEDURE FOR PREPARING COMPOUNDS CONTAINING EXCLUSIVELY OF CARBON, FLUOR AND OXYGEN.

Process for the production of polyamide amides

Fluorinated oxygen-containing products and process for preparation thereof

Perfluorinated cyclic ethers and fluorinated linear polyethers. Prepared by photochemical reaction in liquid phase of perfluoropropylene with oxygen in presence of ultraviolet radiation.

Pharmaceutical composition

TOY POLYMERS

Aliphatic ketone polymer

一种脂肪族酮类聚合物，所述脂肪族酮类聚合物包含由下式(1)表示的单元、由下式(2)表示的单元和由下式(3)或下式(4)表示的单元。(其中，R 1 ～R 10 分别可以相同或者不同，并选自：氢；可被卤素取代的具有1～20个碳原子的烃基；卤素；羟基；酯基；烷氧基；氰基；酰亚氨基；甲硅烷基；和被选自羟基、酯基、烷氧基、氰基、酰亚氨基和甲硅烷基的官能团取代的具有1～20个碳原子的烃基。R 2 和R 3 、或者R 8 和R 9 相互可连接形成单环或多环。并且n 1 、n 2 和n 3 满足1≤n 1 ≤20、1≤n 2 ≤35000和1≤n 3 ≤40000)。

Polymers, substrates, methods for making such, and devices comprising the same

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

Metal protective coating composition

The preparation method of high molecular weight poly(aryl ether ketone)

本发明属于高分子特种工程塑料技术领域，具体涉及一种高分子量聚芳醚酮的制备方法。包括芳香族二酰氯、含两个活性氢原子的多环芳香族单体和支化剂化合物为聚合单体，在路易斯酸、路易斯碱和极性非质子溶剂的存在下，反应得到高分子量聚芳醚酮。本发明引入多官能团单体进行聚合，引入傅克酰基化反应的多官能团化合物，采用芳香族亲电取代路线制备，结合路易斯酸‑路易斯碱共催化法，使其能够在较温和的反应条件下就能制备支化度可控的较高分子量的聚芳醚酮；本发明所制备的聚芳醚酮经过纯化处理以后可以通过模压、挤出、注塑等工序制备出板材、棒材、粒子以及膜等。

Borneol-based polymer and preparation method and application thereof

本发明公开了一种基于龙脑的聚合物及其制备方法与应用，属于高分子化学技术领域。该聚合物以右旋龙脑、二乙二醇单乙烯基醚为原料，以对甲苯磺酸为催化剂，经过取代、成醚反应，得到具有优异抗菌效果的基于龙脑的聚合物。再将其与ε‑己内酯和为原料，通过辛酸亚锡催化进行聚合，得到基于龙脑且具有酸降解性质的聚合物，其可用于制备抗肿瘤药物。本发明化合物放的制备所用到的原料简单易得，反应条件温和，操作简便，具有广泛的应用前景。

Process for the preparation of organic fluorinated derivatives containing oxygen.

POLYMERS, SUBSTRATES, METHODS FOR THEIR PRODUCTION AND CONTAINING THEIR DEVICES

Polymeric peroxide, polymerization initiator and method for production of block copolymer

An ester type polymeric peroxide; has a peroxide group of the formula (I): ##STR1## a group of the formula (I') ##STR2## a group of the formula (II) ##STR3## wherein X stands for one member selected from the group consisting of --CH 2 --CH 2 --, --C.tbd.C-- and ##STR4## continuously bound such that I and I' occur randomly in alternation with II, having a (I):(I') molar ratio in the range of from 9:1 to 1:9 and the [(I)+(I')]:(II) molar ratio in the range of from 6:4 to 4:6, and having an average molecular weight in the range of from 1,000 to 20,000, a polymerization initiator for vinyl type monomer comprising said ester type polymeric peroxide and method for the production of a block copolymer of vinyl type monomer by said polymerization initiator.