Abstract: Disclosed herein are polyesters and fibers made therefrom. The fiber comprises a polymer, poly(trimethylene furandicarboxylate) (PTF), and PTF based copolymers.

Abstract: The use of a composition which is liquid under standard conditions (20° C., 1 bar) as a coating material, wherein the composition comprises a) an unsaturated polyester resin composed of ?-olefinically unsaturated polycarboxylic acids, polyols, and optionally further compounds, b) compounds with vinyl ether groups (vinyl ethers for short), and c) optionally ?-olefinically unsaturated polycarboxylic acids or their monoesters or diesters, where the sum of the double bonds of the ?-olefinically unsaturated polycarboxylic acids from a) and optionally of the compounds c) to the double bonds of the vinyl ethers b) is in a molar ratio of 1.3:1 to 0.8:1.

Abstract: A method of producing an aliphatic polyester resin by continuously esterifying and melt polycondensing an aliphatic dicarboxylic acid and an aliphatic diol; and at least one aliphatic hydroxycarboxylic acid; and at least one of an aliphatic unsaturated dicarboxylic acid and cis- and trans-isomers of aliphatic unsaturated tricarboxylic acids, wherein the total amount of the at least one aliphatic hydroxycarboxylic acid and the at least one of aliphatic unsaturated dicarboxylic acid and cis- and trans-isomers of aliphatic unsaturated tricarboxylic acids is from 0.0010 to 0.50 mol % of the total amount of the aliphatic polyester resin; and the total amount of the at least one aliphatic hydroxycarboxylic acid is from 1.0 to 7.0 in terms of a molar ratio to the total amount of the at least one of aliphatic unsaturated dicarboxylic acid and cis- and trans-isomers of aliphatic unsaturated tricarboxylic acids.

Abstract: The present invention provides inventive polyol-based polymers, materials, pharmaceutical compositions, and methods of making and using the inventive polymers and materials. In certain aspects of the invention, an inventive polymer corresponds to a polymer depicted below. Exemplary inventive polymers includes those prepared using polyol units (e.g., xylitol, mannitol, sorbitol, or maltitol) condensed with polycarboxylic acid units (e.g., citric acid, glutaric acid, or sebacic acid). The inventive polymers may be further derivatized or modified. For example, the polymer may be made photocrosslinkable by adding methacrylate moieties to the polymer.

Abstract: An alkyd resin formed by reacting waste cooking oil, one or more aromatic polycarboxylic acids, aliphatic polycarboxylic acids, or esterified polymerization products, and one or more polyols.

Abstract: A polyester for a toner obtained by polycondensing an aliphatic hydroxycarboxylic acid compound having a total number of hydroxy group or groups and carboxyl group or groups of 4 or more; an alcohol component containing an aliphatic diol having a hydroxyl group bound to a secondary carbon atom in an amount of 50% by mol or more; and a carboxylic acid component, provided that the aliphatic hydroxycarboxylic compound is not included, wherein the aliphatic hydroxycarboxylic acid compound and the aliphatic diol having a hydroxyl group bound to a secondary carbon atom are in a molar ratio, i.e. the aliphatic hydroxycarboxylic acid compound/the aliphatic diol having a hydroxyl group bound to a secondary carbon atom, of from 0.05 to 0.8; a resin binder for a toner, containing the polyester; and a toner for electrophotography, containing the resin binder.

Abstract: A film of a carboxylated polymer of formula (I): wherein the sum of x, y and z is an integer from 10 to 10,000 and degree of hydrolysis is 0.05 or greater provides gas separation materials in which the degree of hydrolysis may be used to tune the selectivity of the gases to an optimal required range. Such films may be prepared by casting a film of a polymer of formula (II): wherein n is an integer from 10 to 10,000, and hydrolyzing all or a portion of the —CN groups to form —COOH groups.

Abstract: Disclosed herein are process for preparing cyclic esters comprising unsaturated functional groups. Also disclosed are copolymers prepared from the cyclic esters. The copolymers can be used to form microparticles, polymer micelles, etc., which are useful in drug delivery applications.

Abstract: The present invention also relates to a vinyl ester resin composition, wherein the vinyl ester resin composition comprises a vinyl ester resin and a manganese compound, a 1,3-dioxo compound, a base; and the resin being curable with a peroxide. The present invention also relates to a process for radically curing such a resin composition wherein a peroxide is added to the resin composition and the curing is effected essentially free of cobalt.

Abstract: The present invention relates to an unsaturated polyester resin or vinyl ester resin composition, wherein the unsaturated polyester resin or vinyl ester resin composition comprises an unsaturated polyester resin or vinyl ester resin and a copper compound and an acetoacetamide compound having the following formula: whereby R1, R2, R3, R4 and R5 each individually may represent hydrogen (H), or a C1-C20 alkyl, C6-C20 aryl, alkylaryl or arylalkyl group, that each optionally may contain one or more hetero-atoms (e.g. oxygen, phosphor, nitrogen or sulphur atoms) and/or substituents; a ring may be present between R1 and R2, R2 and R3, R3 and R5 and/or between R4 and R5; R4 and R5 may be part of a polymer chain or may be attached to a polymer chain; and the resin being curable with a peroxide and the resin composition contains less than 0.01 mmol cobalt per kg primary resin system and less than 0.01 mmol titanium per kg primary resin system.

Abstract: This invention relates to unsaturated polyester resin or vinyl ester resin compositions comprising a polymer containing reactive unsaturations as a resin; a 1,3-dioxo-component, and optionally a reactive diluent and/or an inhibitor and/or a stabilizer; the resin compositions being curable with a peroxide component, and wherein the resin in the resin composition has an acid value=10; and the resin composition contains—while being cured—a base, which is either selected from the group of organic or inorganic oxides, hydroxides, alkoxides or carboxylates for each of which the cation has a redox potential of the metal of at most ?1V, or of ammonium ions; or is selected from the group of nitrogen-containing organic compounds. The present invention also relates to objects and structural parts prepared from such resin composition by curing with a peroxide.

Abstract: A variety of polymers and copolymers suitable for use as biologically compatible constructs and, as a non-limiting specific example, in the formation of degradable tissue scaffolds as well methods for synthesizing these polymers and copolymers are described. The polymers and copolymers have degradation rates that are substantially faster than those of previously described polymers suitable for the same uses. Copolymers having a synthesis route which enables one to fine tune the degradation rate by selecting the specific stoichiometry of the monomers in the resulting copolymer are also described. The disclosure also provides a novel synthesis route for maleoyl chloride which yields monomers suitable for use in the copolymer synthesis methods described herein.

Abstract: Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions.

Abstract: A radiation curable coating comprising the reaction product of a polyol and a polycarboxylic acid/anhydride is disclosed. The reaction product may be made from at least some biomass derived compound. Coatings wherein this reaction product is further reacted with a hydroxyl-carboxylic acid and/or a compound having a radiation curable moiety are also disclosed, as are substrates coated with any of these coatings.

Abstract: This invention relates to the new functional norbornanyl ester derivative and/or polymer compositions which are easily obtainable by reacting the Diels-Alder adduct of appropriate dienes and dienophiles with carboxylic acids. In particular, this invention relates to a new process for making cyclic chemical raw materials suitable for production coating, ink, adhesive, plasticizer, thermoplastic or thermosetting plastic and functional polymers.

Abstract: A hyper-branched polyester and a method of making the same having a tri-functional monomer A3, a di-functional monomer B2 and a mono-functional monomer C1 having a monomer ratio of A3:B2:C1 from about 1:0.2:2 to about 1:1.4:0.2 for use in a chemically processed electrophotographic toner providing a lower fusing temperature. In one form, the hyper-branched polyester includes a tri-hydroxy monomer, a di-acid and its derivatives, and a mono-acid and its derivatives. In other forms, a substituted anhydride and a long chain hydrocarbon carboxylic acid and its derivatives may also be included in the di-functional monomer.

Abstract: A polyester resin for a toner is a polycondensate of a dicarboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1), and has a weight average molecular weight (Mw) of from 40000 to 150000, and a molecular weight distribution (Mw/Mn) of from 12 to 25: wherein, R1 and R2 each independently represents hydrogen or a methyl group; L1, L2, and L3 each independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group which may have a substituent, an arylene group which may have a substituent, and combinations thereof, and L1 and L2 or L1 and L3 may form a ring; and A1 and A2 represent a rosin ester group.

Abstract: Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions.

Abstract: The present invention relates to a resin composition comprising (a) an unsaturated polyester resin having a molecular weight Mn of at least 750 Dalton and at most 5000 Dalton and (b) a reactive diluent, wherein the unsaturated polyester resin comprises C5-C10 unsaturated diacid building blocks and isosorbide building blocks. Preferably, at least part of the isosorbide is derived from a non-fossil source. Preferably, itaconic acid or anhydride is used as the C5 unsaturated dicarboxylic acid.

Abstract: A resin binder for use in a toner, containing an amorphous polyester having a furan ring; and a toner for electrophotography, containing the resin binder. The resin binder for use in a toner of the present invention is suitably used in a toner usable in development of latent images formed in electrophotography, an electrostatic recording method, an electrostatic printing method, or the like.

Abstract: Disclosed herein are process for preparing cyclic esters comprising unsaturated functional groups. Also disclosed are copolymers prepared from the cyclic esters. The copolymers can be used to form microparticles, polymer micelles, etc., which are useful in drug delivery applications.

Abstract: The present invention relates to an unsaturated polyester resin comprising itaconate ester units as reactive unsaturation, wherein the resin comprises itaconate, citraconate and mesaconate ester units. Preferably, the resin comprises itaconate, citraconate and mesaconate ester units in an amount of from 40 to 90 mol % itaconate, from 2 to 30 mol % citraconate and from 5 to 40 mol % mesaconate in which 100 mol % is the total amount of itaconate, citraconate and mesaconate esters units.

Abstract: The present disclosure provides processes for the preparation of unsaturated polyesters. In embodiments, a process of the present disclosure includes reacting an organic diol with a cyclic alkylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, optionally adding thereto a further amount of cyclic alkylene carbonate in the presence of a second catalyst, and subsequently polycondensing the resulting mixture with a dicarboxylic acid in combination with an anhydride.

Abstract: An aliphatic polyester resin having excellent moldability and its production method are provided. When the amount of specific structural units contained in an aliphatic polyester resin is adjusted to an optimum amount, an aliphatic polyester resin having sufficient melt tension at the time of molding and excellent moldability than in the past and its production method is provided.

Abstract: A method of making an aliphatic polyester prepolymer, comprising: reacting, alone or in combination with other reactants, a diol with at least a first diacid (or a diester of said first diacid) to produce an aliphatic polyester prepolymer. The first diacid is preferably a trans-beta-hydromuconic acid (HMA). In some embodiments, the diol contains at least one ether linkage. In some embodiments the diol is further reacted with at a second diacid, or a diester of said second diacid, wherein said second diacid is different from said first diacid. Prepolymers produced from such processes and articles formed therefrom are also described.

Abstract: Disclosed are unsaturated polyester resins comprising residues of 1,2-propanediol, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, an aliphatic, cycloaliphatic, or aromatic diacid, and 2-butenedioic acid. Also disclosed are curable compositions containing admixtures of the unsaturated polyesters and aromatic vinyl compounds copolymerizable with the unsaturated polyesters, and coatings and casted and molded articles obtained from the curable compositions. The curable compositions are useful for coatings and casted and molded articles that have at least one surface that is persistently exposed to organic or aqueous liquids.

Abstract: An aliphatic polyester resin having excellent moldability and its production method are provided. When the amount of specific structural units contained in an aliphatic polyester resin is adjusted to an optimum amount, an aliphatic polyester resin having sufficient melt tension at the time of molding and excellent moldability than in the past and its production method is provided.

Abstract: The present invention relates to an unsaturated polyester resin comprising itaconate esters as reactive unsaturations, wherein the acid value of the resin is in the range of from 25 to 125 and the molar ratio of hydroxyl end groups and carboxylic acid end groups is in the range of from 0.33 to 3. In one embodiment, the molar ratio of hydroxyl end groups and carboxylic acid end groups is in the range of from 0.33 to 0.9. In another embodiment, the molar ratio of hydroxyl end groups and carboxylic acid end groups is in the range of from 1.1 to 3.

Abstract: The present invention relates to an unsaturated polyester resin comprising itaconate ester units as reactive unsaturation, wherein the resin comprises itaconate, citraconate and mesaconate ester units. Preferably, the resin comprises itaconate, citraconate and mesaconate ester units in an amount of from 40 to 90 mol % itaconate, from 2 to 30 mol % citraconate and from 5 to 40 mol % mesaconate in which 100 mol % is the total amount of itaconate, citraconate and mesaconate esters units.

Abstract: A series of resins were synthesized using a range of bio-based materials to control the molecular architecture, and therefore the properties, of the inventive resins. The utility of these resins was demonstrated in the formulation of powder coatings, such as ?-hydroxy amide crosslinked and hybrid types. Generally, the bio-based resins flowed out on heating faster than conventional petrochemically-based resins, allowing the use of lower temperatures in the curing oven than is typically possible and a more active catalyst system, especially in the carboxylic acid-epoxy crosslinked hybrid coatings formulations.

Abstract: Disclosed herein are process for preparing cyclic esters comprising unsaturated functional groups. Also disclosed are copolymers prepared from the cyclic esters. The copolymers can be used to form microparticles, polymer micelles, etc., which are useful in drug delivery applications.

Abstract: Disclosed is an oxygen-absorbable solvent-soluble resin having both oxygen absorbability and adhesive properties. Specifically disclosed is an oxygen-absorbable solvent-soluble resin which comprises an acid component (A), an acid component (B) and a polyester having a constituent unit derived from a glycol component, wherein the ratio of the amount of the acid component (A) to the total amount of the acid components is 40 to 80 mol % and the ratio of the amount of the acid component (B) to the total amount of the acid components is 15 to 35 mol %. The acid component (A): tetrahydrophthalic acid or a derivative thereof, or tetrahydrophthalic anhydride or a derivative thereof; and the acid component (B): terephthalic acid.

Abstract: Radiation curable compositions comprising at least one radiation curable oligomer obtained from the reaction of one or more carboxyl functional polyester (a) having a glass transition temperature TG and/or melting temperature Tm of less than 30° C., with (b1) one or more (meth)acrylated mono-epoxide, and/or (b2) one or more polyepoxide and one or more ?, ? unsaturated carboxylic acid.

Abstract: A method of making an aliphatic polyester prepolymer, comprising: reacting, alone or in combination with other reactants, a diol with at least a first diacid (or a diester of the first diacid) to produce an aliphatic polyester prepolymer. The first diacid is preferably a trans-beta-hydromuconic acid (HMA). In some embodiments, the diol contains at least one ether linkage. In some embodiments the diol is further reacted with at a second diacid, or a diester of the second diacid, wherein the second diacid is different from the first diacid. Prepolymers produced from such processes and articles formed therefrom are also described.

Abstract: The present invention provides a thermoplastic polyester elastomer excellent in heat resistance, heat-aging resistance, water resistance, light resistance, low-temperature property and the like, and further excellent in block order-retaining ability, the thermoplastic polyester elastomer comprising a hard segment which comprises polyester constituted with aromatic dicarboxylic acid and aliphatic or alicyclic diol and a soft segment which comprises mainly aliphatic polycarbonate, wherein the hard segment and the soft segment being connected, and wherein when melting points of the thermoplastic polyester elastomer are obtained by measuring on a differential scanning calorimeter in three cycles in which a temperature is raised from room temperature to 300° C. at a heating rate of 20° C./min., maintained at 300° C. for 3 minutes and lowered to room temperature at a cooling rate of 100° C./min.

Abstract: A hyper-branched polyester and a method of making the same having a tri-functional monomer A3, a di-functional monomer B2 and a mono-functional monomer C1 having a monomer ratio of A3:B2:C1 from about 1:0.2:2 to about 1:1.4:0.2 for use in a chemically processed electrophotographic toner providing a lower fusing temperature. In one form, the hyper-branched polyester includes a tri-hydroxy monomer, a di-acid and its derivatives, and a mono-acid and its derivatives. In other forms, a substituted anhydride and a long chain hydrocarbon carboxylic acid and its derivatives may also be included in the di-functional monomer.

Abstract: There is disclosed a polyvinyl alcohol having a 1,2-glycol bond in a side chain, and a process for preparing the polyvinyl alcolnol wherein there is no generation of dimethyl carbonate hence no need of a process of eliminating dimethyl carbonate in the recovering process of waste liquid after hydrolysis. Also, even when an introduction amount of 1,2-glycol bonds is increased, there is no deterioration of solubility in a hydrolyzing solution (methanol) of a copolymer (paste) before hydrolysis. Further, water-insolubility is not lowered even in experiencing thermal history. Specifically, there is provided a polyvinyl alcohol having a 1,2-glycol bond in a side chain obtained by hydrolyzing a copolymer of a vinyl ester monomer and a compound shown in the formula (1) wherein the hydrolysis degree of the polyvinyl alcohol is at least 60% by mol.

Abstract: In one embodiment, a method for preparing a selectively releasable adhesive includes condensing a multifunctional alcohol and a multifunctional carboxylic acid to form a prepolymer and curing the prepolymer at an elevated temperature and a vacuum to produce a cured polymer.

Abstract: In one embodiment, an article incorporating a selectively-releasable adhesive includes a substrate having a surface and a layer of selectively-releasable adhesive provided on the surface of the substrate, the selectively-releasable adhesive comprising a copolymer formed from a multifunctional alcohol and a multifunctional carboxylic acid that has been cured.

Abstract: Biodegradable poly(ester-amides) are synthesized from amino acids, diols and dicarboxylic acids where one or both of the diols and dicarboxylic acids contain unsaturation; e.g., from di-p-nitrophenyl dicarboxylates and p-toluenesulfonic acid salts of bis(alpha-amino acid) disesters of diols where one or both of the dicarboxylate and diol moieties contain unsaturation or from di-p-nitrophenyl dicarboxylates, and p-toluene-sulfonic acid salts of bis(alpha-amino acid) diesters of diols and p-toluenesulfonic acid salt of lysine ester where one or both of the dicarboxylate and diol moieties contain unsaturation. The polymers are useful as biodegradable carriers for drugs of other bioactive agents.

Abstract: High-functionality highly branched or hyperbranched polyesters based on di-, tri- or polycarboxylic acids and di-, tri- or polyols, processes for preparing them, and their use.

Abstract: A bioderived plasticizer for biopolymers includes a compatibilizing unit and a polyester plasticizing unit. The plasticizer improves the flexibility of biopolymers while not adversely affecting their modulus. The compatibilizing unit renders the plasticizer more miscible with the desired base biopolymer and includes a lower alkyl (C3 to C7) organic acid. The polyester plasticizing unit is formed from monomers comprising a multifunctional alcohol and an aliphatic anhydride or its equivalent dicarboxylic acid and ester derivatives. The polyester plasticizing unit may optionally include one or more difunctional alcohols in combination with the multifunctional alcohol. The resulting the bioderived plasticizer has a low glass transition temperature (Tg), preferably between ?20° C. to 30° C. The plasticizer is preferably amorphous.

Abstract: There is disclosed a process for producing a polyester copolymer. The process comprises the step of condensating a hydroxyacid, a diol, a dicarboxylic acid and a functionalizing agent selected to form a prepolymer having a polyester copolymer backbone with arms comprising cross-linkable groups extending therefrom. The process also comprises the step of coupling said prepolymer in the presence of a coupling agent to cross link the arms of plural prepolymer backbones and thereby form said polyester copolymer comprising said plural straight chain polyester copolymers coupled to each other by said cross-linked arms. The polyester copolymer may be biodegradable and may be used as a modifier to increase the strength of polylactic acid.

Abstract: A resin composition includes an aliphatic polyester resin. The resin has carboxyl groups at the end termini of the molecular chain and at least one compound represented by the general formula (I), the compound being added to the resin to cap a part or all of the carboxyl groups at the end termini of the molecular chain of the resin. A process for producing a fiber includes mixing a pellet comprising an aliphatic polyester resin having carboxyl groups at the end termini of the molecular chain with a compound represented by the general formula (I) so that the content of the compound becomes 0.1 to 8% by weight and then melt-spinning the resulting mixture under the conditions of a spinning temperature of 200 to 250 C.°, a melt residence time of 180 to 1800 sec and a spinning rate of 500 to 10000 m/min.

Abstract: In one embodiment, a selectively-releasable adhesive includes a copolymer formed from a multifunctional alcohol and a multifunctional carboxylic acid, wherein the copolymer has been cured the equivalent of up to approximately 20 hours at 120° C. and 100 millitorr.

Abstract: A process for preparing anionic polymers, including the steps of: (a) polymerizing one or more olefinically unsaturated carboxylic acids or esters thereof with one or more C1-18 alcohols to form an intermediate product; (b) esterifying the intermediate product with a mixture of one or more C1-4 alkyl polyalkylene glycols and one or more C6-22 alkyl and/or alkenyl polyalkylene glycols to form an ester; and (c) neutralizing the ester with a base is provided. Anionic polymers prepared according to the process, and water-containing cement preparations or concrete incorporating the anionic polymers are also provided.

Abstract: The present invention provides a thermoplastic polyester elastomer excellent in heat resistance, heat-aging resistance, water resistance, light resistance, low-temperature property and the like, and further excellent in block order-retaining ability, the thermoplastic polyester elastomer comprising a hard segment which comprises polyester constituted with aromatic dicarboxylic acid and aliphatic or alicyclic diol and a soft segment which comprises mainly aliphatic polycarbonate, wherein the hard segment and the soft segment being connected, and wherein when melting points of the thermoplastic polyester elastomer are obtained by measuring on a differential scanning calorimeter in three cycles in which a temperature is raised from room temperature to 300° C. at a heating rate of 20° C./min., maintained at 300° C. for 3 minutes and lowered to room temperature at a cooling rate of 100° C./min.

Abstract: A polymer with a backbone having at least one structural unit represented by formula (I): Wherein R1, R2, R3, R4, and R5 independently denote one of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, or a substituted or unsubstituted alkenyl group, and n preferably denotes an integer from 1 to 10.

Abstract: The object of the invention is to provide a polyester composition that actively scavenges oxygen, with or without a transition metal catalyst. This was achieved by using a monomer selected from the group consisting of linear difunctional monomers having the general formula: X—(CH2)n—CH?CH—(CH2)m—X? wherein X and X? are each independently selected from the group consisting of OR and COOR, wherein R is selected from the group consisting of H and alkyl groups with one or more carbon atoms; and n and m are each independently 1 or more. The preferred monomer is 2-butene-1,4-diol (BEDO), and the preferred polyester is the reaction product of this diol with terephthalic acid to form poly(oxy-2-butene-1,4-diyloxycarbonyl-1,4-phenylenecarbonyl)—PBET. Copolymers of PBET are also within the scope of this invention. The polyester oxygen scavenging composition is then blended with conventional container resin such as polyesters, polyamides or polyolefins to make a container.

Abstract: Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived from one or more drying, semi-drying or nondrying oils. When drying or semi-drying oils are used, the molecules of the present invention exhibit a dual cure, both oxidative and free radical. The compositions are particularly suitable for coating substrates comprising wood. Methods for using the present compositions are also disclosed.