Abstract: A process for preparing dialkyl terephalate comprising the following steps:—i) providing furan-2,5-dicarboxylate; ii) esterifying the furan-2,5-dicarboxylate with alcohol to form furan-2,5-carboxylic acid dialkyl ester; iii) reacting the furan-2,5-carboxylic acid dialkyl ester with ethylene under Diels Alder conditions, elevated temperature and pressure and in the presence of a catalyst such that dialkyl terephthalate is produced; wherein the Diels-Alder reaction is free from solvent; wherein the catalyst comprises a clay comprising metal ions and having Lewis acidity.

Abstract: Disclosed are polymers containing a backbone comprising alternating N-protected hydroxymethylaniline units (“spacer”) and linker units.

Abstract: Methods of preparing an aromatic liquid crystalline polyester resin and an aromatic liquid crystalline polyester resin compound are disclosed. A method of preparing an aromatic liquid crystalline polyester resin may include: acetylating a first monomer including an amino group by a reaction with a carboxylic acid anhydride; acetylating a second monomer including a hydroxyl group and not including an amino acid group with an additional carboxylic acid anhydride; and synthesizing an aromatic liquid crystalline polyester prepolymer by a condensation polymerization reaction of the acetylated first and second monomers with dicarboxylic acid. A method of preparing an aromatic liquid crystalline polyester resin compound may use the aromatic liquid crystalline polyester resin prepared according to the forgoing method.

Abstract: Amide compounds are defined and are polymerized to create polyesters and polyurethanes having amide units bearing a pendant functional group, where the nitrogen atom of the amide group is part of the polymer backbone. The pendant functional group of the functionalized amide polymer may be modified or added by post polymerization functionalization of the functionalized amide polymer. The pendant functional group of the functionalized amide polymer may include a protecting group that may be removed after polymerization. The pendant functional groups of the functionalized amide polymers may be used to modulate the physical, chemical and biological properties of the polymers.

Abstract: The invention relates to polymers comprising NOS agonists and one or more monomers selected from the group consisting of lactide, glycolide and epsiloncaprolactone, wherein the NOS agonist is incorporated as repeating monomer units into the body or backbone of the polymer are disclosed. The NOS agonist may comprise one or more carboxylic acid groups and one or more alkylhydroxy groups. In another embodiment, the NOS agonist may comprise a carboxylic acid group and an alkylhydroxy group that can be joined to form a lactone containing cyclic ring. In another embodiment, the NOS agonist comprises HMG CoA reductase inhibitor or statin.

Abstract: A polyester resin that includes a furandicarboxylate, has excellent heat resistance, and can be used for producing a molding product. The polyester resin is provided by copolymerizing a diol having an amino group. The polyester resin includes a structural unit represented by formulae formula (1) and a structural unit represented by formula (2) that has an amide bond: where: R1 represents an aromatic hydrocarbon group which may be substituted, or an aliphatic hydrocarbon group which may be substituted; and A represents a furandicarboxylic acid residue of formula (3): wherein the polyester resin contains the structural unit represented by the formula (2) in an amount from 3.8 mol % to 9.7 mol % with respect to a total of the structural units represented by the formulae (1) and (2).

Abstract: Polyamine-co-ester-co-ortho ester) polymers, methods of forming active agent-load nanoparticles therefrom, and methods of using the nanoparticles for drug delivery are disclosed. The nanoparticles can be coated with an agent that reduces surface charge, an agent that increases cell-specific targeting, or a combination thereof. Typically, the loaded nanoparticles are less toxic, more efficient at drug delivery, or a combination thereof compared to a control or other transfection reagents.

Abstract: The present invention relates to the use of monomers bearing associative groups in order to manufacture a supramolecular polycondensate, to certain of these monomers, to a process for manufacturing a supramolecular polycondensate, to the polycondensate obtained, and also to an article or a composition incorporating same.

Abstract: In a first aspect, organic coating compositions are provided, particularly spin-on antireflective coating compositions, that contain a polyester resin component. In a further aspect, coating compositions are provided that contain a resin component obtained by polymerization of a multi-hydroxy compound. Coating compositions of the invention are particularly useful employed in combination with an overcoated photoresist layer to manufacture integrated circuits.

Abstract: The current invention relates to poly(amide) and poly(ester-amide) polymers, coatings including the polymers, and narrow polydispersity drug delivery particles including the polymers.

Abstract: There is disclosed certain hyperbranched polyester amides with a cloud point of at least 50° C. with end groups selected from: betaine-type end groups useful in various end uses such as a flocculant.

Abstract: A polymeric composition includes the reaction product of monomers, where the monomers include a first monomer having at least two carboxylate functional groups, and a second monomer having at least two hydroxyl functional groups. The second monomer is a reaction product of a metathesized natural oil and a bis(hydroxyalkyl) amine.

Abstract: Poly(amine-co-ester) polymers, methods of forming active agent-load nanoparticles therefrom, and methods of using the nanoparticles for drug delivery are disclosed. The nanoparticles can be coated with an agent that reduces surface charge, an agent that increases cell-specific targeting, or a combination thereof. Typically, the loaded nanoparticles are less toxic, more efficient at drug delivery, or a combination thereof compared to a control other transfection reagents. In some embodiments, the nanoparticles are suitable for in vivo delivery, and can be administered systemically to a subject to treat a disease or condition.

Abstract: Disclosed herein is a biodegradable nitric oxide-generating polymer comprising a nitric oxide-releasing N2O231 (NONOate) functional group. The polymer can be applied to various medical devices for the treatment of various diseases such as thrombosis and restenosis.

Abstract: Polyol compositions containing methane linkages derived from amino acids. The polyols are obtained from the reaction of the carbonate with the cadres in the amino acids. Individual amino acids or mixtures of amino acids that are prepared from the hydrolysis of the proteins can be used.

Abstract: The present invention provides a fluorine-containing fluorenediamine of the formula (2): where R1 represents one kind of substituent group selected from the group consisting of a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a C1-C4 alkyl group, a C1-C4 fluoroalkyl group in which any number of hydrogen atoms can be substituted by a fluorine atom, a phenyl group, a methoxy group and a nitro group; R2 represents one kind of substituent group selected from the group consisting of a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a phenyl group, a naphthyl group, a biphenyl group, a sulfonic acid group, a —C?C—C(CH3)2OH group, a —C?C—C6H5 group and a —C?C—Si(CH3)3 group; HFIP represents a —C(CF3)2OH group; and m and n each independently represent an integer of 0 to 2 and satisfy a condition of 1?m+n?4.

Abstract: A polyamide modified by a compound including at least one hydroxyl group, as well as a method for preparing said polyamide and articles obtained from the modified polyamide are described. A polyamide composition including reinforcing fillers, and a modified polyamide obtained by polymerization from, in particular, a monofunctional hydroxyaromatic acid or amino acid compound in the presence of diacid, diamine and/or amino acid or lactam compounds are also described.

Abstract: The invention relates to thermosetting compositions containing isocyanurate ring(s) prepared through chain extension of an epoxy resin (a) with carboxyl-functional oligomers (b), which are the reaction product of polyols (i) containing one or more isocyanurate ring(s) and polycarboxylic acids or their anhydrides (ii). The polyols (i) containing one or more isocyanurate ring(s) can be prepared from the reactions of tris (2-hydroxyalkyl) isocyanurates with a modifier from a caprolactone or alkylene oxide, or glycidyl ester or glycidyl ether and mixtures thereof. The epoxy-functional thermosetting compositions containing an isocyanurate ring(s) can be further reacted with unsaturated acids, preferably (meth)acrylic acid, to obtain a curable polyacrylate. Both epoxy-functional isocyanurate and acrylate-functional isocyanurate thermosetting compositions can be further modified with a polyisocyanate to produce a composition that is useful as a reactive adhesive, binder or in other applications.

Abstract: The invention relates to an airdrying resin suitable for a coating composition characterized in that the resin is a polyesteramide prepared from: A) at least one anhydride chosen from the list containing succinic, glutaric, citraconic, itaconic or maleic anhydride or a combination of any of them, and B) at least one alkanol-amine, and C) at least one fatty acid, wherein the fatty acid is incorporated in the resin in an amount equivalent to an oil- length between 15 and 40%. This airdrying resin is both water- and solvent-soluble, having a combination of properties desirable for different types of applications. The invention relates also to a method for preparing such a polyesteramide resin, to a composition comprising at least one polyesteramide resin and a method for preparing such a composition, to a substrate fully or partially coated with this composition, a method for curing the coated substrate, the cured and coated substrate and the use of resin in various applications.

Abstract: A polyimide precursor composition includes a polyamic acid including a repeating unit represented by Chemical Formula 1 and diisocyanate represented by Chemical Formula 2. OCN-A2-NCO??Chemical Formula 2 The diisocyanate represented by Chemical Formula 2 is included in an amount of about 0.01 moles to about 10 moles based on 100 moles of the repeating unit represented by Chemical Formula 1 in the polyamic acid.

Abstract: Disclosed herein is a biodegradable nitric oxide-generating polymer comprising a nitric oxide-releasing N2O2? (NONOate) functional group. The polymer can be applied to various medical devices for the treatment of various diseases such as thrombosis and restenosis.

Abstract: Rigid-rod copolymer compositions incorporating PBO (poly(p-phenylenebenzobisoxazole)), DiOH-PBO (poly(2,5-dihydroxy-1,4-phenylenebenzobisoxazole), DiOH-PBI (poly(2,5-dihydroxy-1,4-phenylenebenzobisimidazole)), DiOH-PyBI (poly(2,5-dihydroxy-1,4-phenylenepyridobisimidazole), PBZT (poly(p-phenylenebenzobisthiazole)) and its corresponding dihydroxy analogues attached to a flexibilizing hexafluoroisopropylidene linkage are described. Also described are their fabrication into fibers by a dry jet wet spinning technique and the measured fiber mechanical properties. The copolymer compositions are highly flame-resistant and have potential utility for fire-protective clothing.

Abstract: The instant invention generally provides an activated polymer composition containing an active agent (i.e., a chemically- or biologically-active agent), an activated fiber comprising the activated polymer composition, an activated-fiber composite comprising the activated fiber and a fiberweb support, processes of fabricating the activated fiber and activated-fiber composition, and an article comprising the activated polymer composition. The instant invention also generally provides a highly filled polymer filler composite comprising a molecularly self-assembling (MSA) material and a mineral filler or conductive filler dispersed in the MSA material, and a process of making and article comprising the highly filled polymer filler composite.

Abstract: The invention relates to thermosetting compositions containing isocyanurate ring(s) prepared through chain extension of an epoxy resin (a) with carboxyl-functional oligomers (b), which are the reaction product of polyols (i) containing one or more isocyanurate ring(s) and polycarboxylic acids or their anhydrides (ii). The polyols (i) containing one or more isocyanurate ring(s) can be prepared from the reactions of tris (2-hydroxyalkyl) isocyanurates with a modifier from a caprolactone or alkylene oxide, or glycidyl ester or glycidyl ether and mixtures thereof. The epoxy-functional thermosetting compositions containing an isocyanurate ring(s) can be further reacted with unsaturated acids, preferably (meth)acrylic acid, to obtain a curable polyacrylate. Both epoxy-functional isocyanurate and acrylate-functional isocyanurate thermosetting compositions can be further modified with a polyisocyanate to produce a composition that is useful as a reactive adhesive, binder or in other applications.

Abstract: Polymer compounds derived from fluorine-containing diamine compounds represented by formula (1). in which R1 represents a condensed polycyclic type aromatic hydrocarbon group, and in which at least one —C(CF3)2OH group and at least one —NH2 group are in a relation such that they are attached to adjacent carbons of the carbon atoms constituting the condensed polycyclic type aromatic hydrocarbon group. The polymer compounds derived from this fluorine-containing diamine have superior low dielectric properties and low water-absorbing properties, and additionally exhibit low thermal expansion properties and high glass transition temperatures.

Abstract: New polyols; oligomers, and polymers made from the polyols; and binders made from the new polyols, oligomers, or polymers that can be used in binders, where the binders typically include one or more polyols, and a polyfunctional acid or a polyfunctional nitrile.

Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.

Abstract: Polyimide-based polymers and copolymers thereof are provided. Further provided is a positive type photoresist composition comprising at least one of the polyimide-based polymers and copolymers thereof as a binder resin. The photoresist composition exhibits high resolution, high sensitivity, excellent film characteristics and improved mechanical properties, which are required for the formation of semiconductor buffer coatings.

Abstract: New polyols; oligomers, and polymers made from the polyols; and binders made from the new polyols, oligomers, or polymers that can be used in binders, where the binders typically include one or more polyols, and a polyfunctional acid or a polyfunctional nitrile.

Abstract: Provided are a novel polyester resin that can be used for producing a molding product excellent in heat resistance, and a method of producing the polyester resin. The polyester resin includes: structural units represented by the following formulae (1) and (2): where: R1 represents an aromatic hydrocarbon group which may be substituted, or an aliphatic hydrocarbon group which may be substituted; and A represents the formula (3): in which the polyester resin contains the structural unit represented by the formula (2) in an amount of 3.8 mol % or more to 9.7 mol % or less in the total of the structural units represented by the formulae (1) and (2).

Abstract: According to the present invention, a polymer is obtained by polycondensation of a fluorinated dicarboxylic acid derivative of the general formula (M-1) or an acid anhydride of the fluorinated dicarboxylic acid with a polyfunctional compound having two to four reactive groups corresponding in reactivity to carbonyl moieties of the fluorinated dicarboxylic acid derivative or acid anhydride. [Chem. 134] AOCF2C-Q-CF2COA???(M-1) In the above formula, Q represents a divalent organic group having a substituted or unsubstituted aromatic ring; and A and A? each independently represent an organic group. This polymer exhibits a sufficiently low dielectric constant for use as a semiconductor protection film and has the capability of forming a film at a relatively low temperature of 250° C. or lower.

Abstract: Optically active polymers that are composed of monomer residues derived from chiral pre-polymerized monomers, which maintain the chirality of the pre-polymerized monomers upon polymerization are disclosed. These polymers can be composed of monomer residues that are derived from readily available chiral monomers and can be designed to have pre-determined characteristics such as chirality, biodegradability and functionality. Uses of these polymers as therapeutically active agents, and/or as carriers of therapeutically active agents, for delivering the active agents to a targeted bodily site and/or for a sustained release of the active agent, are further disclosed. Also disclosed are processed of preparing the polymers, compositions and medical devices containing the polymers, and conjugates of these polymers and various agents.

Abstract: The invention provides a conjugate comprising a hyperbranched polymer covalently bonded to at least three UV absorbing chromophores having an UV absorption maximum ?max?270 nm. The conjugate is an effective and safe sunscreen which can advantageously be used in cosmetic compositions.

Abstract: The present invention relates to a liquid, self-breakable, temporary viscosifier agent (yield point enhancer) for oil based drilling muds, obtained by reacting one or more dicarboxylic fatty acids with a secondary dialkanolamine and thereafter with a tertiary tialkanolamine, and to oil based drilling muds containing it.

Abstract: This disclosure provides a medical device and a method of forming the medical device. The medical device comprises a coating comprising a type-one polymer and a type-two polymer. The type-one polymer comprises at least two different blocks, at least one L1 block with the formula ; and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure.

Abstract: A resin composition is provided comprising a compound having a structure represented by formula (1) and a crosslinking agent: wherein in formula (1), R0 is a single bond or has a structure represented by formula (2); R1 to R8 are respectively any of hydrogen, a group having an alicyclic structure, an organic group having 1 to 10 carbon atoms other than the group having an alicyclic structure, a hydroxyl group and a carboxyl group; and “X” is any of —O—, —NHCO—, —CONH—, —COO— and —OCO—; further, wherein in formula (2), “Ar” is an aromatic group; “Y” is any of a single bond, —O—, —S—, —OCO— and —COO—; “q” is an integer of 1 or more; R9 is hydrogen or an organic group having 1 or more carbon atoms and may be identical with or different from each other when “q” is an integer of 2 or more; at least one of R1 to R8 is the group having an alicyclic structure when R0 is a single bond; at least one of R1 to R9 is the group having an alicyclic structure when R0 has the structure represented by formula (2); and “*”

Abstract: This disclosure covers polymers, which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure. Some of these medical devices are implantable within a mammalian body, such as in a body lumen.

Abstract: This disclosure provides a method device and a method of forming the medical device. The medical device comprises a coating comprising a polymer. The polymer comprises at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure.

Abstract: Polymer compounds obtained by polymerization of a fluorine-containing polymerizable monomer represented by the formula [1] in which A represents a single bond, oxygen atom, sulfur atom, CO, CH2, SO, SO2, C(CH3)2, NHCO, C(CF3)2, phenyl, or aliphatic ring; “a” and “b” each independently represent an integer of 0-2, and 1?a+b?4. This fluorine-containing polymerizable monomer can be used as an effective polymerizable monomer, which can exhibit water repellency, oil repellency, low water absorptive property, heat resistance, weather resistance, corrosion resistance, transparency, photosensitivity, low refractive index property, low dielectric property, etc., and can be used for advanced polymer material fields.

Abstract: New polyols; oligomers, and polymers made from the polyols; and binders made from the new polyols, oligomers, or polymers that can be used in binders, where the binders typically include one or more polyols, and a polyfunctional acid or a polyfunctional nitrile.

Abstract: The invention provides metal-chelating poly(ether amide) polymers useful in preparation of polymer compositions for delivering a variety of cargo molecules, such as bioactive agents. In solution metal ions and cargo molecules, such as vaccine epitopes, that include metal avid amino acids can be loaded into the polymer compositions and held in a non-covalent complex. Nanoparticles of such polymer compositions can also be prepared directly from the solution.

Abstract: New polyols; oligomers, and polymers made from the polyols; and binders made from the new polyols, oligomers, or polymers that can be used in binders, where the binders typically include one or more polyols, and a polyfunctional acid or a polyfunctional nitrile.

Abstract: Provided herein is a coating comprising a polymer.

Abstract: Disclosed is a fluorine-containing polymerizable monomer represented by the formula [1] below. (In the formula, A represents a single bond, an oxygen atom, a sulfur atom, CO, CH2, SO, SO2, C(CH3)2, NHCO, C(CF3)2, a phenyl or an alicyclic ring; a and b independently represent an integer of 0-2; and 1?a+b?4.) Such a fluorine-containing polymerizable monomer can be used as an effective polymerizable monomer exhibiting water repellency, oil repellency, low water absorbency, heat resistance, weather resistance, corrosion resistance, transparency, photosensitivity, low refractive index, low dielectric properties and the like. Consequently, the fluorine-containing polymerizable monomer can be applied to the field of advanced polymer materials.

Abstract: A fluorine-containing diamine represented by the formula (1), [Chemical Formula 29] is provided. Furthermore, a fluorine-containing polymer is provided by using this fluorine-containing amine as a monomer. The fluorine-containing polymer can exhibit superior characteristics such as low dielectric property and high transparency, while maintaining high fluorine content and retaining adhesive property.

Abstract: The present invention is a method for efficiently incorporating a nitrogen containing methine light absorber into a polyester resin. The method includes forming a reaction mixture comprising combining a diol component, a diacid component selected from the group consisting of dicarboxylic acids, dicarboxylic acid derivatives, and mixtures thereof, an antimony containing compound, a phosphorus containing compound, a metal containing compound, and a nitrogen containing methine light absorber. The reaction mixture is polymerized in a polycondensation reaction system. In another embodiment the light absorber is added while the reaction products of one reactor are being transferred to the next reactor in the polycondensation reaction system. The present invention is also directed articles made from the polyester resin.

Abstract: A polymer having a number average molecular weight (Mn) of about 10 000 g/mol comprising a monomeric rigid moiety R and a monomeric flexible moiety F, wherein R comprises a main-chain polycyclic core and F has a main chain comprising a number of atoms sufficient for the transition temperature of the polymer to be lower than the degradation temperature of the polymer is provided. A method of manufacturing of same is also provided. Biomedical devices, scaffolds and supports for tissue engineering, delivery devices, textiles, moulds, vehicle parts, tubes, active disassembly devices, microactuators, toys and inflatable membranes comprising same are also described.

Abstract: This disclosure covers polymers, some of which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure. Some of these medical devices are implantable within a mammalian body, such as in a body lumen.

Abstract: A fluorine-containing diamine represented by the formula (1), [Chemical Formula 29] is provided. Furthermore, a fluorine-containing polymer is provided by using this fluorine-containing amine as a monomer. The fluorine-containing polymer can exhibit superior characteristics such as low dielectric property and high transparency, while maintaining high fluorine content and retaining adhesive property.

Abstract: The present invention has for its object to provide an emulsion polymer resin composition adapted to give a coating film having an excellent appearance in terms of gloss, image sharpness, and apparent thickness, be satisfactory in curability and storage stability, contribute to cost reduction, express satisfactory coating film properties such as hardness, high impact resistance, scratch resistance, acid rain resistance, and weather resistance, and be conducive to a reduced VOC level, a curable composition comprising the above emulsion polymer resin composition and a crosslinking agent, and a cured coating film formed from the above curable composition. The present invention is an emulsion polymer resin composition which contains a hydroxyl group and a functional group reactive with the hydroxyl group within the same particle and has a weight average molecular weight of not less than 10000 but not more than 500000.