Abstract: The present invention relates to articles made of a thermoformable resin comprising a biodegradable polymer having polybutylene succinate (PBS) via extrusion using an extruder which comprise: a biodegradable polymer having: (a) a Ts value of up to about 160° C. (e.g., in the range of from about 50° to about 150° C.); (b) a heat distortion index of up to about 150° C. (for example, up to about 120° C.); and (c) optionally, a Tm in the range of from about 70° to about 160° C. (e.g., in the range of from about 80° to about 150° C.). Thermoformed article such as a food or beverage cup, lid, cutlery item, foodservice item, molded tray, food storage container, etc provide the ability to resist deformation during higher temperature conditions that may occur during storage and distribution.

Abstract: The present invention provides a biocompatible prepolymer comprising hydrophilic and hydrophobic segments, wherein the hydrophobic segments have at least one ethylenically unsaturated functional group and at least 5% of the segments have two or more ethylenically unsaturated functional groups and water. The invention further provides a biocompatible prepolymer composition comprising hydrophilic and hydrophobic prepolymers, wherein at least one of the hydrophobic prepolymers has at least one ethylenically unsaturated functional group and at least 5% of the prepolymers have two or more ethylenically unsaturated functional groups and water. The invention further provides use of the prepolymer or prepolymer compositions of the invention in biomedical applications such as tissue engineering, as bone substitutes or scaffolds, and in wound treatment.

Abstract: This invention relates to binder mixtures comprising mass fractions of from 70% to 98% of chain-extended epoxy amine adducts A and from 2% to 30% of carboxy functional polyesters B that contain a limited amount of aromatic constituents in mass fractions of up to 15% and have an acid number of from 4 mg/g to 50 mg/g, a method of making these binder mixtures, and a method of use thereof in coatings for metals, wood, cardboard, plaster, and concrete.

Abstract: A co-polyester which includes the reaction product of a polycondensation polyester and epsilon-caprolactone, wherein the polycondensation polyester comprises the reaction product of diglycolic acid and/or a derivative thereof and a diol. The co-polyester is injectable and absorbable into animal, such as human, tissue and can be used for facial cosmetic or reconstructive surgery of soft tissue. Another embodiment is directed to a method for preventing adhesion using a co-polyester comprising the reaction product of a polycondensation polyester and epsilon-caprolactone, wherein the polycondensation polyester comprises the reaction product of diglycolic acid and/or a derivative thereof and a diol, and the co-polyester comprises about 40 to 50% by weight of the polycondensation polyester based on the total weight of the co-polyester.

Abstract: An aqueous floor care composition comprising water, polymer particles wherein the polymer particles include units derived from a conjugated diene monomer, units derived from an acidic monomer, and units derived from a hard, non-acidic monomer, an external crosslinking agent, and optionally one or more of a leveling agent, surfactant, polyurethane, alkali-soluble resin, coalescing agent, plasticizer, and wax.

Abstract: An object of the present invention is to provide an aqueous coating composition capable of forming a coating film having a superior finishing appearance. The present invention provides an aqueous coating composition comprising a polyester resin containing a predetermined or greater amount of long chain, straight-chain dicarboxylic acid and/or straight-chain diols having a predetermined or greater carbon number and having hydroxy groups and acid values within predetermined ranges; a urethane-associated thickener having a hydrophobic group and/or a polyacrylicacid-based thickener having a hydrophobic group; a curing agent; and a hydrophobic solvent, wherein the contents of the thickener and the hydrophobic solvent are within a specific range based on the gross amount of the polyester resin and the curing agent. The present invention also provides a method for forming a multilayer coating film using the aqueous coating composition.

Abstract: Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

Abstract: A polyetherimide composition comprising a polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, at least 15 wt. % of a 3,3?-bis(halophthalimide) of the formula from more than 17 wt. % to less than 85 wt. % of a 4,3?-bis(halophthalimide) of the formula from more than 0 to less than 27 wt.

Abstract: A method and a device for providing a raw material for the production of PET containers, the raw material being mixed from recycled PET (r-PET) and virgin PET (v-PET), where in order to optimize both the plant and the method, v-PET is added in a quantitatively controlled manner to the r-PET prior to the last heating of the r-PET or to the heated r-PET.

Abstract: A biodegradable composition includes: a polymer component including a first polymer of polybutylene-1,4-succinate (PBS); and a cross-linking agent capable of producing a free radical to allow the polymer component to be subjected to a free radical cross-linking reaction in such a condition that the biodegradable composition has a melt index ranging from 1.5 to 3.0.

Abstract: Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.

Abstract: Disclosed is a biodegradable sheet prepared from biodegradable material, a process for preparing the biodegradable sheet and uses thereof. One of the disclosed uses of the biodegradable sheet is in the preparation of a flexible liquid receptacle. Disclosed also is a flexible liquid receptacle arranged as an array of several receptacle units that are attached to one another and that may be detached from one another by tearing along a perforated line created between each two receptacle units. The disclosed array may also include a hanger, thus allowing the array to be hung from any appropriate means.

Abstract: Biocompatible polymeric nanoparticles for delivery of bioactive agents, and methods for preparing the particles, are described. Polyoxalate nanoparticles of the subject technology show desired particle sizes suitable for use in drug delivery and a substantially uniform or narrow particle size distribution. The polyoxalate nanoparticles can contain water-soluble, poorly water-soluble, or water-insoluble drugs. The nanoparticles are nontoxic and are generally safe for use in humans. After being administered into the body, the nanoparticles with a high content of a bioactive agent entrapped therein can safely deliver the agent to target sites and stably release the drug at a controlled rate.

Abstract: This invention relates to deodorant compositions containing polytrimethylene ether glycol homo- and copolymers and/or polytrimethylene glycol ester(s) in a variety of physical forms. In at least one embodiment, the polytrimethylene ether glycol homo- and copolymers and/or polytrimethylene glycol ester(s) can be made from monomers (e.g., 1,3-propanediol) obtained from renewable resources, and can thus be more environmentally friendly than conventional deodorant compositions in terms of manufacture, use and disposal.

Abstract: A nanoassembly includes a core protected by a biocompatible shell. The nanoassembly includes a plurality of block copolymers including drug-binding linkers and block copolymer cross-linkers. A first active agent is covalently conjugated to the plurality of block copolymers and a second active agent is physically entrapped in the core.

Abstract: The present invention provides a method for producing a polybenzoxazole precursor having reduced contents of residual aprotic polar solvent and residual halogen without discharging a large amount of waste water during purification. The present invention specifically relates to a method for producing a polybenzoxazole precursor, which comprises synthesizing a polybenzoxazole precursor in an aprotic polar solvent, adding and mixing water and a water-insoluble solvent with the resulting polybenzoxazole precursor solution to still stand the solution, and then separating a water layer from the solution to reduce a content of impurities remaining in the polybenzoxazole precursor.

Abstract: Disclosed are a polylactide stereocomplex with improved thermal stability and thus improved processability and a method for preparing the same. In order to confer flexibility to polymer chains, D-type polylactide polymer containing a small amount of caprolactone (poly D-lactide-caprolactone copolymer) is synthesized and it is uniformly mixed with L-type single-phase polylactide to prepare a flexible polylactide stereocomplex. Since the polylactide stereocomplex having flexible polymer chains has superior heat resistance and mechanical stability and experiences little decrease of the degree of stereocomplex formation even after thermal processing, the polylactide stereocomplex having improved thermal stability can be advantageously used for engineering plastics requiring high strength and good thermal stability, alternative materials for general-use plastics, high-performance medical materials, or the like because of its remarkably improved processability.

Abstract: A method is provided for producing a liquid crystal polyester including: (1) polycondensing a mixture of a compound of formula (I) with a compound of formula (II) in a polymerization tank at 260 to 350° C. to form a prepolymer, wherein a ratio of by-products to be distilled off to the theoretical amount of by-products formed when the compound of formula (I) is polycondensed with the compound of formula (II) in a stoichiometric relation is 95% or more; (2) continuously discharging the prepolymer from the polymerization tank in a molten state, solidifying the prepolymer while transferring, and continuously grinding the solidified prepolymer by a grinder provided downstream in a transfer direction to produce prepolymer particles; and (3) heat-treating the prepolymer particles in their solid state under an inert gas atmosphere, thereby subjecting them to solid phase polymerization.

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: The present invention relates to dephenolic compounds, an example of which is shown below, which are functionalized, and polymers formed from the same. Polymers formed from the functionalized diphenolics are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.

Abstract: Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

Abstract: There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a method for producing a resin particle (X) comprising the step of treating a resin particle (B) containing a resin (A) composed of a crystalline part (a) containing, as an essential constitutional component, a polyester (p1) not containing an aromatic ring or a polyester (p2) containing an aromatic ring, and produced by polycondensation of a polyol component and a polycarboxylic acid component, and a noncrystalline part (b), with liquid or supercritical carbon dioxide (C), and removing (C), wherein a heat of fusion measured by differential scanning calorimetry (DSC) of the obtained (X) satisfies the following relational formula (1): 0?H2/H1?0.

Abstract: There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a method for producing a resin particle (X) comprising the step of treating a resin particle (B) containing a resin (A) composed of a crystalline part (a) containing, as an essential constitutional component, a polyester (p1) not containing an aromatic ring or a polyester (p2) containing an aromatic ring, and produced by polycondensation of a polyol component and a polycarboxylic acid component, and a noncrystalline part (b), with liquid or supercritical carbon dioxide (C), and removing (C), wherein a heat of fusion measured by differential scanning calorimetry (DSC) of the obtained (X) satisfies the following relational formula (1): 0?H2/H1?0.

Abstract: Disclosed are water-soluble nanoparticles. The water-soluble nanoparticles are each surrounded by a multifunctional group ligand including an adhesive region, a cross linking region, and a reactive region. In the water-soluble nanoparticles, the cross-linking region of the multifunctional group ligand is cross-linked with another cross-linking region of a neighboring multifunctional group ligand.

Abstract: The present invention provides a biaxially oriented polyester film for a backsheet of solar batteries which exhibits a good hydrolysis resistance and a low haze. The present invention relates to a biaxially oriented polyester film for a backsheet of solar batteries, comprising titanium in an amount of not more than 20 ppm in terms of a titanium atom, phosphorus in an amount of not more than 70 ppm in terms of a phosphorus atom, and antimony in an amount of not more than 10 ppm in terms of an antimony atom; and having a carboxyl end group content of not more than 26 equivalents/t and an intrinsic viscosity of 0.65 to 0.90.

Abstract: Polymers are disclosed that include a structure having the formula wherein, R1 is independently selected from a C2-10 n-alkylene group, a C2-6 branched alkylene group, a C6-8 cycloalkylene group, a C6-10 alkylcycloalkylene group, —[(—CH2—)p—X—]q—(—CH2—)r—, or —[(—CH2—)p—X—]q—(—CH2—)r—, wherein at least one —CH2— unit is substituted with a methyl group, wherein p is an integer having a value ranging from 2 to 6, q is an integer having a value ranging from 1 to 5, r is an integer having a value ranging from 2 to 10, and X is selected from O, S, and —NR—, wherein R is hydrogen or methyl; R2 denotes a structure derived from allyl (meth)acrylate or a multi-functional (meth)acrylate; R3 is independently selected from hydrogen and an alkyl group; n is an integer having a value ranging from 1 to 60; and m is a rational number having a value ranging from 0 to 10.

Abstract: A poly(arylene ether)-poly(hydroxy ether) block copolymer includes at least one poly(hydroxy ether) block and at least one poly(arylene ether) block, and the mole ratio of poly(hydroxy ether) blocks to poly(arylene ether) blocks is 0.95:1 to about 1.00:1. The poly(arylene ether)-poly(hydroxy ether) block copolymer can be prepared by reacting a telechelic poly(arylene ether) having terminal hydroxyl groups with a telechelic poly(hydroxy ether) epoxy resin having terminal epoxy groups, wherein the mole ratio of the telechelic poly(hydroxy ether) to the telechelic poly(arylene ether) is 0.95:1 to 1.00:1. The poly(arylene ether)-poly(hydroxy ether) block copolymer can be shaped into an article by extrusion, thermoforming, or molding, and is a compatibilizing agent for non-polar and polar polymers.

Abstract: The invention is directed to a process for preparing a linear or branched amine-modified thermoplastic resin with high flowability using as starting materials a linear or branched polyester and a primary or secondary aliphatic amine. The process does not require that the amine and polyester be combined in a liquid organic solvent during the process, and can be performed readily at ambient pressure. The amine-modified resins can be extruded and pelletized using normal operating conditions, making this process a versatile option for achieving a wide variety of viscosities in a simple, low cost, continuous operation.

Abstract: An inhibiting heart failure disease pharmaceutical composition is provided. The pharmaceutical composition includes: an effective amount of a KMUP-3 amine salt of formula (I); wherein RX contains a carboxylic group donated from one selected from a group consisting of a sodium carboxyl methylcellulose (sodium CMC), a ?-polyglutamic acid derivative, and co-polymer salt; RX? is an anion form of the carboxylic group; and a pharmaceutically accepted carrier.

Abstract: The invention provides reagents and methods for conjugating a polymer specifically to the ?-amine of a polypeptide. The invention provides monofunctional, bifunctional, and multifunctional PEGs and related polymers having a terminal thioester moiety capable of specifically conjugating to the ?-amine of a polypeptide having a cysteine or histidine residue at the N-terminus. The invention provides reactive thioester-terminated PEG polymers that have suitable reactivity with an N-terminal cysteine or histidine residue of a polypeptide to produce an amide bond between the PEG molecule and the polypeptide.

Abstract: Radio-opaque biodegradable compositions are formed by modifying terminal groups of synthetic and natural biodegradable polymers such as polylactones with iodinated moieties. The biodegradable property of the compositions renders them suitable for use in medical field such as drug delivery, imaging. Compounds disclosed in this invention exist as neat liquid. Certain compositions disclosed in this invention form hydrophobic iodine rich domains when dissolved in water, such domains provide better contrasting properties as well as ability to dissolve hydrophobic bioactive drugs. Certain iodinated moieties disclosed in the invention are capable of cross linking natural proteins in situ in presence of suitable catalysts and co-catalysts.

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: There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a method for producing a resin particle (X) comprising the step of treating a resin particle (B) containing a resin (A) composed of a crystalline part (a) containing, as an essential constitutional component, a lactone ring-opening polymer (p), and a noncrystalline part (b), with liquid or supercritical carbon dioxide (C), and removing (C), wherein a heat of fusion measured by differential scanning calorimetry (DSC) of the obtained (X) satisfies the following relational formula (1): 0?H2/H1?0.9??(1) [in the relational formula (1), H1 represents a measurement value of a heat of fusion (J/g) at the time of the initial temperature elevation measured by DSC; and H2 represents a measurement value of a heat of fusion (J/g) at the time of the second temperature elevation measured by DSC].

Abstract: A polyester resin for electrostatic image developing toner includes: two or more polyester blocks, and the polyester resin satisfying the following conditions (A) to (C): (A) an ester concentration of the polyester resin is about 0.01 or more and less than about 0.1; (B) a weight average molecular weight of the polyester resin is about 24,000 or more; and (C) a difference in SP values of at least two kinds of the two or more polyester blocks is about 0.1 to about 0.7.

Abstract: The present invention is directed to polyester yarns made from two or more different polyesters. The invention is also directed to finished articles made from two or more different polyesters, and especially to carpets.

Abstract: An article and process for using the article under a high temperature and high humidity condition are disclosed. The article comprises or is produced from polyester, at least one ethylene copolymer, and optionally an additive and includes one or more automobile parts and electronic or electrical connectors. The process comprises employing the composition or an article in a hostile environment including a temperature of 60° C. or higher and a relative humidity of at least 60%.

Abstract: A process for the solid phase continuous polymerization of polyester in order to achieve a molecular weight increase, measurable by the intrinsic viscosity IV increase of the polyester, wherein the use of at least a reactor (15) is provided, the reactor (15) being cylindrical, rotary around its own central axis (S), substantially horizontal, slightly inclined so as to produce the polymerization of the polyester granules passing through the reactor by gravity thanks to the inclination and the rotation of the reactor (15), inside the reactor there being produced a purge gas flow having the same or the opposite direction with respect to the flow of the polyester granules.

Abstract: The present invention provides a composition comprising an active ingredient with a maximum solubility in water at 20° C. of 10 g/l, and a hyperbranched polyester which is joined to a polar polymer which comprises a polycondensate or a polymer comprising ethylenically unsaturated monomers. The invention further relates to the hyperbranched polyester mentioned and to a process for preparation thereof. It further relates to the use of the hyperbranched polyester for solubilizing the active ingredient in aqueous compositions.

Abstract: A semiconductive film formed from a resin composition comprising poly(ether ether ketone) and a conductive filler, wherein the average value of its thickness is 30 to 250 ?m, the maximum value of the thickness is 1 to 1.3 times as much as the minimum value thereof, the average value of its volume resistivity is 1.0×102 to 1.0×1014 ?cm, the maximum value of the volume resistivity is 1 to 30 times as much as the minimum value thereof, and the number of reciprocating folds as determined in accordance with the testing method for folding endurance is at least 5,000 times, and a production process thereof.

Abstract: Methods of making metal-terephthalate polymers from a polyester ethylene terephthalate or terephthalic acid produces high yield and high purity reaction products for a range of metals. Among the preferred metal compounds employed in the processes are metal oxides and metal hydroxides. The methods are preferably carried out at a low pressure and can produce metal-terephthalate polymer powders containing small crystals which can be employed to enhance properties of polymers or disperse metals in specific applications by thermal decomposition of metal-terephthalate polymers.

Abstract: Disclosed are a medical instrument and a medical material each comprising an aliphatic polyester resin composition, which are hardly reduced in strength and impact resistance upon the sterilization by ionizing radiation or have excellent shape-retaining properties after a heat treatment. Specifically, a medical instrument and a medical material both sterilized by ionizing radiation are provided, each of which contains a biodegradable resin and a polycarbodiimide compound in an amount of 0.1 to 10% by weight on the resin. The biodegradable resin is polybutylene succinate, a copolymer of polybutylene succinate, or a mixture of polybutylene succinate and a copolymer of polybutylene succinate with polylactic acid or poly(3-hydroxyalkanoate). A method of producing such medical instrument and medical material is also provided.

Abstract: The present invention relates to a polyester comprising repeat units based on at least one aliphatic dicarboxylic acid or an ester-forming derivative thereof (component A1), at least one aromatic dicarboxylic acid or an ester-forming derivative thereof (component A2), at least one diol (component B), optionally at least one sulfo-containing compound (component A3) and optionally at least one trifunctional crosslinking agent as component C1 and/or at least one difunctional chain extender as component C2, component A1 comprising 2-methylsuccinic acid or an ester-forming derivative thereof, to a process for preparing the inventive polyester, to the mixtures comprising the inventive polyester, to the use of the inventive polyesters or of the inventive mixtures for production of moldings, films, adhesives, foams or fibers, and to moldings, films, adhesives, foams or fibers comprising at least one inventive polyester or at least one inventive mixture.

Abstract: The present invention relates to a polymer comprising as part of its polymer backbone a moiety of Formula (II): where one of R6 to R10 represents A-O— and one of R6 to R10 represents —O—B and the remainder of R6 to R10 represent H, where A and B represent the remainder of the polymer backbone and may be the same or different.

Abstract: Disclosed is a composition for forming a board. The composition includes a maleimide-based compound including at least three maleimide groups and a liquid crystalline polymer or oligomer. A prepreg and a board are each fabricated using the composition.

Abstract: The light diffusion member includes a light diffusing body and a light diffusing layer. The light diffusing body includes a polymer mixture obtained by uniformly blending a first polymer having a first glass transition temperature and a second polymer having a second transition temperature higher than the first transition temperature. Alternatively, the light diffusing body includes a copolymer prepared from the first and the second polymer. The light diffusing body diffuses an incident light through a light exiting surface. The light diffusing layer is formed on the light exiting surface of the light diffusing body and includes a binder resin having beads. A back light assembly including the light diffusion member and a liquid crystal display device including the light diffusion member exhibit an improved luminance and an improved light diffusing efficiency.

Abstract: Polyester compositions, especially polyethylene terephthalate homopolymer and copolymers, are disclosed containing titanium catalysts and catalyst deactivator added late in the manufacturing processing having reduced acetaldehyde generation rates. The polyester compositions are low in free acetaldehyde, making them suitable for fabrication into beverage containers for relatively tasteless beverages such as bottle water. Furthermore, the polyesters are polymerized to a high inherent viscosity in reduced processing time, without the necessity of further polymerization in the solid state, and in the absence of acetaldehyde scavengers leading to polyester polymers having reduced color.

Abstract: A thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property containing (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer of (B1) a hard segment block with at least one of a polyamide, polyester, polyolefin or polyurethane, and (B2) a soft segment block having an ether bond.

Abstract: A composition is disclosed which comprises a mixture of a poly(trimethylene terephthalate) polymer composition, a nucleating agent, and an ethylene copolymer. Also disclosed in a method for reducing the melt viscosity of nucleated poly(trimethylene terephthalate) polymer composition.

Abstract: A method for treating a material comprising: applying energy to a predetermined portion of the material in a controlled manner such that the local chemistry of the predetermined portion is altered to provide a predetermined result. When the material is a shape memory material, the predetermined result may be to provide an additional memory to the predetermined portion or to alter the pseudo-elastic properties of the shape memory material. In other examples, which are not necessarily restricted to shape memory materials, the process may be used to adjust the concentration of components at the surface to allow the formation of an oxide layer at the surface of the material to provide corrosion resistance; to remove contaminants from the material; to adjust surface texture; or to generate at least one additional phase particle in the material to provide a nucleation site for grain growth, which in turn, can strengthen the material.

Abstract: The present invention relates to a block copolymer derived from at least one tetrahydrofuran monomer containing 14C. The present invention also relates to a method for preparing such a block copolymer.