Abstract: A polymerized rosin compound includes a rosin dimer component (A) including a bifunctional rosin dimer component (a1) represented by formula (1): ROOC—X—COOR. In this formula, X represents a rosin dimer residue derived from abietic acid, neoabietic acid, or palustric acid, which are resin acids having conjugated double bonds; and R represents hydrogen, an alkyl group of I to 5 carbon atoms, or a benzyl group. The rosin dimer component (A) contains a bifunctional rosin dimer component (a1) in the amount of 80% by weight or more and a rosin trimer or higher oligomer component (B) in the range from 1.5 to 3.

Abstract: A process for preparing polybutylene terephthalate (PBT) which includes step of melting solid PBT oligomer having an IV of between 0.13 and 0.17 dL/g and a CEG of between 90 and 180 mmol/kg; and further step of the PBT oligomer polycondensation; wherein the polycondensation process is carried out continuously using a melt tank for melting oligomers, one or more reactors for post-condensation processing, and one or more finishing reactors to increase molecular weight. The resulting PBT has an intrinsic viscosity (IV) of between 0.5 and 1.3 dl/g and a carboxylic end group (CEG) concentration of between 1 and 75 mmol/kg.

Abstract: An AB monomer, useful for the production of condensation polymers, wherein the AB monomer has the structure: A-X-C-Y-B; wherein A is reactive carbonyl derivative of carboxylic acids; Y is a bisanhydrohexitol unit derived from the group consisting of isosorbide, isoidide and isomannide; X is selected from the group consisting of: aromatic rings, including 1,4-phenylene, 1,3-phenylene, 2,6-naphthalene 2,7-naphthalene, and substituted derivatives thereof; heterocycles including, 2,5-furan, 2,5-thiophene, substituted 2,5-furan and substituted 2,5-thiophene; and saturated or unsaturated aliphatic chains; B is OH; and C is selected from the group consisting of ether oxygen, a sulfide, and an amine, wherein the amine is NH or NR wherein R is C1 to C6, attaching X to Y.

Abstract: A process to prepare a polyester polymer composition comprising a polyester polymer having furanic units is disclosed. The process comprises a step of ring-opening polymerization of a cyclic polyester oligomer, which comprises residue of furandicarboxylic acid and a diol, in the presence of a catalyst in order to yield a polyester polymer having furanic units. The polyester polymer composition obtainable by the process, wherein the polyester polymer composition comprises a polyester polymer having furanic units and a cyclic polyester oligomer in a concentration of less than 5 wt % of the composition. The use of the polyester polymer composition in extrusion, injection molding, or blow molding are also disclosed.

Abstract: A batch process for preparing polybutylene terephthalate (PBT) includes heating a solid PBT oligomer having an intrinsic viscosity (IV) of 0.1 to 0.2 dL/g and a carboxylic acid end group concentration [CEG] of 90 to 180 mmol/kg at a temperature and pressure defined herein to form melted homogeneous PBT oligomer containing 0 to 300 ppm tetra(C1-C8 alkyl) titanate catalyst, and polycondensing the melted homogeneous PBT oligomer in the presence of a tetra(C1-C8 alkyl) titanate catalyst, reducing the pressure, and maintaining the temperature at approximately 245-260° C. for a sufficient time to provide PBT having an IV of 0.55 and 1.20 dL/g. The PBT oligomer can be prepared by heating a mixture of 1,4-butane diol and purified terephthalic acid in the presence of a tetra(C1-C8 alkyl) titanate catalyst.

Abstract: An AB monomer, useful for the production of condensation polymers, wherein the AB monomer has the structure: A—X—C—Y—B; wherein A is a carboxylic acid or ester or reactive carbonyl derivative, Y is a bisanhydrohexitol unit derived from isosorbide, isoidide or isomannide; X is selected from the group consisting of aromatic rings, substituted or unsubstituted heterocycles, and saturated or unsaturated aliphatic chains; and B is OH and C is an ester carbonyl link with the carbon attached to X and the oxygen attached to Y, and wherein the AB monomer is at least about 98% pure endo-substituted bisanhydrohexitol derivative or an at least about 98% pure exo-substituted bisanhydrohexitol derivative.

Abstract: Disclosed is a continuous process and device for making polybutylene terephthalate (PBT) resin, particularly high molecular weight PBT resin. The process includes combining 1,4-butane diol and purified terephthalic acid to form a mixture and continuously supplying the mixture to a tower reactor having a plurality of reactor zones for esterification and/or transesterification. The product is continuously supplied to a first continuously stirred tank reactor, and further to a continuous polycondensation reactor. Particular conditions for each step of the process are further described herein. Also disclosed are a device for conducting the process, and a monitoring process for determining the carboxylic acid end group concentration of the resulting PBT.

Abstract: Disclosed are aliphatic-aromatic biodegradable polyesters obtained from aliphatic dicarboxylic acids, polyfunctional aromatic acids of renewable origin and particularly 2,5-furan dicarboxylic acid, and diols. Also disclosed are blends of the polyesters with other biodegradable polymers of either natural or synthetic origin. The polyesters have properties and viscosity values that make them suitable, after adjusting their molecular weight, for use in numerous practical applications such as films, injection molded products, extrusion coatings, fibers, foams, thermoformed products, extruded profiles and sheets, extrusion blow molding, injection blow molding, rotomolding, stretch blow molding.

Abstract: There are provide a liquid composition for forming a silicon oxide-based cured coating film by the sol-gel method, the liquid composition having excellent storage stability and being capable of forming a coating film excellent in durability, in particular, alkali resistance even after long-term storage. A liquid composition applied on a surface of a substrate and cured by heating to form a coating film, contains: a matrix component containing a hydrolyzable silicon compound whose content is 20 to 60 mass % as a SiO2 content when silicon atoms contained in the matrix component are converted into SiO2 to the total solid content amount in the liquid composition; a functional component containing an ultraviolet absorbent and an infrared absorbent; water; and an acid thermally decomposing at 80° C. or higher and a temperature of the heating or lower, wherein a pH increases between before and after the thermal decomposition of the acid.

Abstract: An improved composite wood adhesive extender, a method of producing such extender, and an adhesive mixture including this extender are provided, wherein the extender has performance satisfactory to the manufacturing needs of composite and plywood products, while also extending the adhesive at a reasonable cost. The adhesive mixture may have a primary and secondary extender. The primary extender is composed of a wood-based product. The secondary extender may be an amylaceous material comprising 100% uncooked flour or starch, or an amylaceous material comprising 100% uncooked flour or starch blended with a high fiber by-product. Alternatively, the secondary extender may be pre-gelatinized flour or starch and a mixture of pre-gelatinized flour or starch with flour comprising an advantageous quantity of raw starch. The secondary extender may substitute for about 25-40% of the primary extender on about a 1:1 ratio basis.

Abstract: A process for the production of a flame-retardant polymer is disclosed. The process includes reacting a polyol, for example glycerol, with an organophosphorus monochloride material to produce a phosphorus-functionalized polyol derivative. The process further includes reacting the phosphorus-functionalized polyol derivative with a polycarboxylic acid to form the flame-retardant polymer, wherein phosphorus is chemically bound to a polymer chain of the flame-retardant polymer.

Abstract: Disclosed are biodegradable aliphatic-aromatic polyesters obtained from aliphatic dicarboxylic acids, polyfunctional aromatic acids and diols, wherein the polyfunctional aromatic acids are constituted by mixtures of acids of renewable and synthetic origin its esters. In particular, the polyfunctional aromatic acids comprise at least one phthatic diacid and at least one heterocyclic aromatic diacid of renewable origin, which can be 2,5-furandicarboxylic acid and its esters. Also, provided are mixtures of the polyesters with other biodegradable polymers both of natural and synthetic origin.

Abstract: Oxygen-absorbing resin composition comprising a polyester containing a constitutional unit (a) comprising tetralin ring structure, for example, an alkyl tetralin dicarboxylate, wherein the alkyl component has, for example, from 2 to 6 carbon atoms, and a constitutional unit (b) derived from a polyfunctional compound, selected from glycerin, trimethylol propane, pentaerythritol, trimellitic acid, trimellitic acid anhydride, pyromellitic acid, and pyromellitic acid anhydride, and a transition metal catalyst.

Abstract: A polyester resin composition and a molded article produced using the same. The polyester resin composition includes: (A) two polyester resins including an aliphatic ring structure and having different trans/cis isomer ratios in the aliphatic ring; (B) a white pigment; and (C) an inorganic filler, wherein the polyester resin composition has a crystallization temperature (Tc) of about 230° C. to about 250° C., as measured by differential scanning calorimetry (DSC) while cooling the resin composition at a cooling rate of ?100° C./min. Exemplary compositions include a first poly(1,4-cyclohexylene dimethylene terephthalate) and a second poly(1,4-cyclohexylene dimethylene terephthalate) having different trans/cis isomer ratios in the cyclohexylene rings thereof, titanium oxide, glass fiber, and wollastonite.

Abstract: Polymers, including polyesters and polycarbonates comprising residue of bis-furan diol, which is produced from renewable furfural feedstock, and methods of making and using those polyesters and polycarbonates are described. The method includes reacting a bis-furan diol with a dicarboxylic acid in the presence of a carbodiimide to produce the bis-furan containing polymers. In certain embodiments, the dicarboxylic acid is succinic acid, the bis-furan diol is the 5,5?-(propane-2,2-diyl)bis(furan-2,5-diyl) dimethanol, and the carbodiimide is of N,N-diisopropylcarbodiimide.

Abstract: A polyester is copolymerized with diacid monomer, esterified diacid monomer or a combination thereof with a polyol monomer. The diacid monomer, the esterified diacid monomer or the combination thereof includes (1) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof or (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof and spiro-diacid.

Abstract: A process of living ring-opening polymerization comprising the step of exposing ?-amino acid N-carboxyanhydride monomers to an initiator having a formula NH2CH2[CH2NHCH2]nCH2NH2, wherein n is an integer with value of 1-3 to obtain amino acid polymers, including homopolymers or block copolymers. Use of triethylenetetramine, diethylenetriamine and tetraethylenepentamine exemplified. Representative examples of block copolymers include poly(benzyl-L-glutamate) and poly(benzyl-L-lysine).

Abstract: A fiber includes polyester copolymerized with diacid monomer, esterified diacid monomer or combination thereof with a polyol monomer. The diacid monomer, esterified diacid monomer or combination thereof includes (1) furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof or (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof and spiro-diacid. The polyol monomer includes (3) C2-C14 polyol or (4) C2-C14 polyol and spiro-diol. The diacid monomer, esterified diacid monomer or combination thereof and the polyol monomer meet: (a) diacid monomer, esterified diacid monomer or combination thereof includes (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof and spiro-diacid, (b) polyol monomer includes (4) C2-C14 polyol and spiro-diol, or (c) a combination thereof. The polyester has a viscosity at 30° C. of 0.5 dL/g to 1.

Abstract: A process of forming a side-chain-functionalized polyhydroxyalkanoate (PHA) material is disclosed. The process includes forming a PHA material having a vinyl-terminated side-chain from a vinyl-terminated fatty acid via a bacterial fermentation process. The process also includes forming a PHA material having a hydroxyl-terminated side-chain from the PHA material having the vinyl-terminated side-chain. The process further includes chemically reacting the PHA material having the hydroxyl-terminated side-chain with 1,4-phenylenedimethanethiol or a chlorocoumarin or 2-furoyl chloride to form a side-chain-functionalized PHA material having a side-chain with a terminal cross-linkable group (e.g., thiol, coumarin, or furoyl group).

Abstract: A process of forming a functionalized polyhydroxyalkanoate (PHA) material includes performing an oxide elimination reaction (e.g., a selenoxide elimination reaction or a sulfoxide elimination reaction) on a saturated PHA material to form an unsaturated PHA material having a carbon-carbon double bond in a polymer backbone. The process also includes utilizing the unsaturated PHA material to form a functionalized PHA material. The functionalized PHA material has one or more cross-linkable functional groups (e.g., one or more thiol groups) bonded to a polymer backbone of the functionalized PHA material.