Abstract: In various embodiments a urethane/molecular rebar formulation comprising a specific composition is disclosed. The composition comprises a urethane polymer or prepolymer/discrete carbon nanotube formulation. Utility of the urethane/molecular rebar composition includes improved foams and adhesives.

Abstract: The present invention relates generally to degradable polymers, including degradable polymers that may be responsive to ionic strength. The invention also relates generally to methods of making degradable polymers and methods of using such polymers.

Abstract: A nanocomposite comprises: a polymer; and a nanofiller disposed in the polymer, the nanofiller comprising a first nanoparticle bonded to a second nanoparticle. A process of making a nanocomposite comprises: combining a silsesquioxane and a nanoparticle; bonding the nanoparticle to the silsesquioxane to make a nanofiller; and dispersing the nanofiller in a polymer to make the nanocomposite.

Abstract: A hyperbranched polymer based on one or more repeating units of an ABx type monomer, wherein A and B are functional groups and x is greater than or equal to 2, wherein A reacts with, or substantially reacts with, B, wherein B is fractionally functionlized with a plurality of functional groups comprising a first functional group comprising a C6-C30 alkyl chain attached to the repeating unit through a carbonyl group (C?O) via an ester linkage, a second functional group comprising a partially fluorinated or perfluorinated C20 alkyl chain attached to the repeating unit through a carbonyl group (C?O) via an ester linkage, and a third functional group comprising substantially one of a stabilized radical source attached to the repeating unit via a C0-C6 tether, or a 5 to 8 member chloroamide heterocycle of carbon and nitrogen that is attached to the repeating unit via a C2-C6 tether.

Abstract: An enhanced prepreg for printed circuit board (PCB) laminates includes a substrate and a resin applied to the substrate. The resin includes a curable polymer and a polymerization initiator polymer having a backbone with a free radical initiator forming segment that breaks apart upon being subjected to heat to generate a plurality of non-volatile initiating species. This resin composition eliminates possible volatile loss of the free radical initiator during all processing steps in the preparation of PCB laminates. The resin may additionally include a cross-linking agent, flame retardant and viscosity modifiers. In one embodiment, a sheet of woven glass fibers is impregnated with the resin and subsequently dried or cured. The glass cloth substrate may include a silane coupling agent to couple the resin to the substrate. In another embodiment, resin coated copper (RCC) is prepared by applying the resin to copper and subsequently curing the resin.

Abstract: A process for the continuous production of a biodegradable polyester, where a mixture of aliphatic dihydroxy compounds, aliphatic and aromatic dicarboxylic acids or their liquid esters, and, optionally, further comonomers is mixed, without addition of a catalyst, to give a paste, and i) this mixture with at least a portion of the catalyst, is continuously esterified or, transesterified; ii) the transesterification or, esterification product obtained in i) is continuously precondensed with any remaining amount of catalyst to an intrinsic viscosity of from 20 to 70 cm3/g; iii) the product obtainable from ii) is continuously polycondensed to an intrinsic viscosity of from 60 to 170 cm3/g, and iv) the product obtainable from iii) is reacted continuously with a chain extender in a polyaddition reaction to an intrinsic viscosity of from 150 to 320 cm3/g. The invention further relates to biodegradable polyesters obtained by this process.

Abstract: A method for forming a biodegradable aliphatic polyester suitable for use in fibers is provided. In one embodiment, for example, an aliphatic polyester is melt blended with an alcohol to initiate an alcoholysis reaction that results in a polyester having one or more hydroxyalkyl or alkyl terminal groups. By selectively controlling the alcoholysis conditions (e.g., alcohol and polymer concentrations, catalysts, temperature, etc.), a modified aliphatic polyester may be achieved that has a molecular weight lower than the starting aliphatic polyester Such lower molecular weight polymers also have the combination of a higher melt flow index and lower apparent viscosity, which is useful in a wide variety of fiber forming applications, such as in the meltblowing of nonwoven webs.

Abstract: The present invention provides manufacturing of and the use of novel diethylene tricarbamide and its condensation reaction products formed by reacting with formaldehyde as wood composite binder resins and in other applications. These resins have thermosetting capabilities and therefore usefulness as binders for wood and other materials with superior resin properties of low cost, colorlessness, exceptionally good binding, and fast curing characteristics, as well as very low formaldehyde emissions. The synthesized novel starting material for the thermosetting resins of the present invention is diethylene tricarbamide.

Abstract: A sheet for forming a shoe sole, useful for efficiently joining a crosslinked rubber layer as a stud and a thermoplastic elastomer layer as a sole, is provided. The sheet comprises a resin component (A) containing a polyamide resin (a) and having an amino group concentration of not less than 10 mmol/kg and a flexural modulus of not less than 300 MPa in accordance with ISO178. The polyamide resin (a) may contain a polyamide resin having a melting point of not less than 165° C. at a predetermined concentration (e.g., not less than 30% by weight) in the total polyamide resin (a).

Abstract: The present invention provides a polybenzoxazole resin containing a repeating unit represented by the following general formula (1): wherein R1 is a tetravalent aromatic group; N atoms and O atoms which are bonded to R1 are present in the form of pairs each consisting of an N atom and an O atom such that the N atom and the O atom in each pair are respectively bonded to adjacent two carbon atoms constituting the same aromatic ring in R1; R2 is an alkanediyl group having 1 to 6 carbon atoms; and n is an integer of 2 to 10000, which is excellent in electrical insulating properties, heat resistance, mechanical properties, physical properties, dimensional stability and the like, as well as a polybenzoxazole precursor capable of producing the polybenzoxazole resin which is excellent in solubility in solvents and storage stability.

Abstract: A method of manufacturing bulked continuous carpet filament which, in various embodiments, comprises: (A) grinding recycled PET bottles into a group of flakes; (B) washing the flakes; (C) identifying and removing impurities, including impure flakes, from the group of flakes; (D) passing the group of flakes through an MRS extruder while maintaining the pressure within the MRS portion of the MRS extruder below about 1.5 millibars; (E) passing the resulting polymer melt through at least one filter having a micron rating of less than about 50 microns; and (F) forming the recycled polymer into bulked continuous carpet filament that consists essentially of recycled PET.

Abstract: A polymer includes at least one pendant dioxirane moiety represented by Formula III or IV: In Formulas III and IV, R1 is absent or is alkylene, perhaloalkylene, cycloalkylene, arylene, heteroarylene, heterocyclylene, amino, carbonyl, carboxyl, alkylcarboxy, carboxyalkyl or alkylcarboxyalkyl; R2 is an electron withdrawing group; R8 is —N+R4R5 or alkylene; R9 is —N+R4R5 or alkylene; each R4 is independently H, alkyl, or cycloalkyl; and each R5 is independently H, alkyl, or cycloalkyl.

Abstract: Powder compositions and articles and methods of forming articles from powder compositions are provided. In one embodiment the powder compositions include at least one polyester polymer powder and an amount of reinforcing particles having an aspect ratio of preferably at least about 5:1. In another embodiment the powder compositions include at least one medium-high melting temperature, aromatic and crystalline polyester polymer powder. In a preferred embodiment, the powder composition is capable of being formed, via a laser sintering process, into a three-dimensional article that exhibits one or more desirable mechanical properties in an elevated temperature environment.

Abstract: Novel biodegradable phosphoester polyamines are disclosed. The biodegradable phosphoester polyamines may be utilized as cross-linkers for sprayable compositions which may be used as tissue adhesives or sealants.

Abstract: A heat-shrinkable film comprising an aliphatic polycarbonate, wherein the film is uniaxially or biaxially oriented, and exhibits a heat-shrinkage of at least 30% in at least one direction when treated with hot air at 70° C. for 10 min, has an improved transparency and good heat-shrinkability which can be used for various purposes such as a label or wrapping material.

Abstract: In one aspect, the invention relates to relates to copolymer compositions comprising domains of polycarbonate and polyacrylate, and to methods of preparing the copolymers, wherein the method comprises reacting a polycarbonate macroinitator with a vinyl monomer by atom transfer radical polymerization. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Disclosed herein are a resin composite material that has excellent mechanical strength and can be easily produced and a method for producing such a resin composite material. The resin composite material is obtained by chemically bonding a reactive polyfunctional compound to both a thermoplastic resin and a carbon material having a graphene structure. The resin composite material production method includes: a first step of chemically bonding the reactive polyfunctional compound and the thermoplastic resin together; and a second step of chemically bonding the reactive polyfunctional compound and the carbon material having a graphene structure together.

Abstract: A liquid crystalline polyester has a specifically high fluidity, a low anisotropy, a high toughness, a low gas property, an excellent heat resistance and a high dielectric breakdown resistance. The liquid crystalline polyester includes 38 to 74 mol % of structural unit(s) obtained from a hydroxycarboxylic acid, 31 to 13 mol % of a structural unit obtained from 4,4?-dihydroxybiphenyl and 31 to 13 mol % of a structural unit obtained from 2,6-naphthalenedicarboxylic acid (100 mol % in total), characterized in that the hydroxycarboxylic acid structural units include a structural unit obtained from 2-hydroxy-6-naphthoic acid in an amount of 89 mol % or more and the average sequence length of the structural unit obtained from 2-hydroxy-6-naphthoic acid is 0.1 to 1.

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: A fluorescing dry toner particle comprises a polymeric binder phase comprising a non-fluorescing binder polymer and a polymeric fluorescing colorant dispersed within the non-fluorescing binder polymer. The polymeric fluorescing colorant comprises a fluorescing moiety that is covalently attached to a colorant polymer that is the same or different than the non-fluorescing binder polymer, but the polymeric fluorescing colorant is blendable with the non-fluorescing binder polymer to form a homogeneous polymeric binder matrix, and is present in an amount of at least 1 weight % and up to and including 40 weight %, based on the total fluorescing dry toner particle weight. These fluorescing dry toner particles can be used in various dry developers to provide fluorescing toner images with or without non-fluorescing color toner images.

Abstract: The invention provides methods of producing composite polymers by combining fillers with polymers in the presence of pre-formed high molecular weight polymer. Monomer polymerization can be initiated through the addition of initiators or by reactive chemical groups on the surface of the fibers. The composite materials formed possess superior mechanical properties compared to similar polymer composites made by either purely mechanical mixing or solely polymerization of monomers in the presence of the fillers.

Abstract: Methods of forming polymer material from rosin-derived material are provided. For example, a plurality of functionalized resin acids having a polymerizable functional group via controlled living polymerization can be polymerized into the polymeric material such that each polymer defines a functional end group and the polymeric material has a polydispersity index of about 1 to about 1.5. The resulting polymers are also described.

Abstract: Methods for preparing water soluble, non-peptidic polymers carrying carboxyl functional groups, particularly carboxylic acid functionalized poly(ethylene glycol) (PEG) polymers are disclosed, as are the products of these methods. In general, an ester reagent R(C?O)OR?, wherein R? is a tertiary group and R comprises a functional group X, is reacted with a water soluble, non-peptidic polymer POLY-Y, where Y is a functional group which reacts with X to form a covalent bond, to form a tertiary ester of the polymer, which is then treated with a strong base in aqueous solution, to form a carboxylate salt of the polymer. Typically, this carboxylate salt is then treated with an inorganic acid in aqueous solution, to convert the carboxylate salt to a carboxylic acid, thereby forming a carboxylic acid functionalized polymer.

Abstract: In one aspect, a water soluble binder composition, a method of producing the same and an electrode for a rechargeable battery employing the same is provided.

Abstract: A polyamide-polyolefin block copolymer having a polyamide backbone and one or two polyolefin graft(s) on the backbone is described. Further described, is how the polyolefin graft(s) is (are) attached to the backbone via the residues of a function X-Y resulting from the reaction of a function X located at the polyolefin chain end and capable of reacting with an amine or carboxylic acid function Y of the polyamide.

Abstract: A binder composition has good tensile strength, and can improve the cycle life of a rechargeable battery by maintaining the conduction path of an electrode even during expansion or shrinkage of the active material. The binder composition is environmentally friendly, and can be used in existing production lines as-is. An electrode and a rechargeable battery use the binder composition. The binder composition for a rechargeable battery includes a main binder including a poly(p-phenylene terephthalamide) having at least one of a sulfonic acid group (—SO3H) or a sulfonate group (—SO3?M+) in the polymer main chain.

Abstract: The invention relates to an antireflective coating composition for a photoresist layer comprising a polymer, a crosslinking agent and an acid generator, where the polymer comprises at least one unit of structure 1, where, X is a linking moiety selected from a nonaromatic (A) moiety, aromatic (P) moiety and mixture thereof, R? is a group of structure (2), R? is independently selected from hydrogen, a moiety of structure (2), Z and W—OH, where Z is a (C1-C20) hydrocarbyl moiety and W is a (C1-C20) hydrocarbylene linking moiety, and, Y? is independently a (C1-C20) hydrocarbylene linking moiety, where structure (2) is where R1 and R2 are independently selected from H and C1-C4alkyl and L is an organic hydrocarbyl group. The invention further relates to a process for imaging the antireflective coating composition.

Abstract: Fibrous substrates containing polyetherimides and other synthetic fibers are disclosed, along with methods of preparing electrical insulation paper and articles comprising the fibrous substrates.

Abstract: A water soluble binder composition includes a binder, the binder including a water soluble polyamic acid having an acid equivalent of about 300 to about 600 g/eq.

Abstract: A resin composition including 10 to 90% by mass of (A) a component to be polymerized containing a compound represented by Formula (1), and 90 to 10% by mass of (B) a thermosetting resin, the (A) and (B) each being capable of undergoing a reaction to increase molecular weight by itself when heated: wherein, Ar represents an aryl; and X represents at least one selected from the group consisting of ethers, ketones, sulfides, sulfones, amides, carbonates and esters.

Abstract: Aqueous binder composition comprising an organic emulsifiable polyisocyanate, an aromatic polyester polyol and a alkali metal salt of a carboxylic acid as trimerisation catalyst and its use for bonding mineral fibre or lignocellulosic material.

Abstract: In one aspect, the present invention describes biodegradable photoluminescent polymer (BPLP) compositions. In some embodiments, an aliphatic biodegradable photoluminescent polymer (BPLP) composition comprises a degradable oligomer, wherein the oligomer is synthesized from a diol, an amino acid, and a biocompatible multifunctional carboxylic acid comprising a hydroxyl group. The amino acid is linked as a side group to the degradable oligomer backbone, and fluorescence emanates from a 6-membered ring formed by a carboxylic acid group of the amino acid, an alpha carbon of the amino acid, an amide linkage formed by an amino group of the amino acid, and a central carbon of the multifunctional carboxylic acid via an esterification reaction of the carboxylic acid group of the amino acid and the hydroxyl group of the multifunctional carboxylic acid.

Abstract: A polyester (alkyd) for use in hot melt adhesive composition is provided. Unreacted carboxyl groups in the alkyd resin are reacted with a monofunctional epoxide to form functional groups that are unreactive with alcohols.

Abstract: Disclosed is a dual-transition polymeric hydrogel. Also, provided is the use of the dual-transition polymeric hydrogel as a carrier for drug delivery and disease diagnosis, or in the preparation of a polymeric hydrogel-type pharmaceutical composition comprising the physiologically active agent loadable into the block copolymer. Being sensitive to pH as well as temperature, the block copolymer can form a more stable hydrogel at suitable temperatures and pH values. In addition, the block copolymer exhibits a dual transition behavior with pH values so that it can carry ionic drugs, proteins, DNA, and markers, whether positively or negatively charged, simultaneously. Therefore, it can be applied to a sustained drug delivery system for sparingly soluble, hydrophobic drugs, and hydrophilic drugs. Further, it is safe to and stable within the body, and is expected to find various applications in the medical field.

Abstract: The present invention is directed to a series of glycerin based polymers that have been designed to have very specific substitution patterns, herein referred to as regiospecific substitution (RSS). The attachment of terminal mono-functional silicone polymers engineered polyesters of glycerin results in heretofore unrecognized products. The unique properties include lower surface tension, better spreadability and a dry skin feel, all of which cannot be attained without the use of a terminal silicone. Incorporation of silicone into the terminal position requires a very specific synthesis regime to establish the sought after regiospecificity.

Abstract: Provided is a biodegradable resin including a urethane bond generated by a reaction of a polyester polymer with a polyvalent isocyanate used as a chain extender. Particularly, provided is a method of preparing a biodegradable resin using a limited amount of the chain extender and having excellent properties, and a biodegradable resin in which nitrogen content is controlled. Therefore, the biodegradable resin which can reduce the use of a harmful component to the human body and environment in the process of preparing the biodegradable resin and can be safely used for packing materials for food or medicine is provided.

Abstract: Nucleic acid material can be effectively separated from a fluid under mild conditions by the use of a positively charged polymer which binds the nucleic acid material. Disclosed is a novel positively charged polymer which may be employed in the separation process. This polymer comprises an acidified polyamine, such as polyethyleneimine which has been reacted with a nonacidified polyethyleneimine in a coupling reaction. The acidified polyethyleneimine may be a coarboxylated and/or sulfonated polyethyleneimine.

Abstract: The invention relates to a polyester resin which is based on at least one fatty acid, with a zero oil length (0%) or an oil length of between 0 and 35%, with a weight ratio of oxidizable fatty acids (monoacids), relative to the overall fatty acids, of 0 or greater than 0 and ranging up to 1, and which is based on an acid component comprising, in addition to said fatty acid, from 30% to 85% by weight, relative to the total weight of said resin, of rosin and/or of derivatives thereof bearing at least one carboxylic acid function. The resin of the invention is used as binder in coatings and in particular in water-based coatings such as paints, varnishes and surface coatings, in the form of an aqueous dispersion of resin, with particular performance in terms of aqueous dispersibility, development of hardness over time in the absence of siccativating agent during drying, and of resistance to yellowing and to water.

Abstract: An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.

Abstract: Disclosed herein is a block copolymer (M) suitable for toughening a thermoset resin (R). The block copolymer (M) has at least one block derived from a thermoplastic aromatic polymer (A) which exhibits a glass transition temperature (Tg) of at least about 150° C. and at least one block derived from a low Tg polymer (B) wherein: (i) the low Tg polymer (B) exhibits a Tg in the range of from about ?130° C. to about +40 ° C.; (ii) the aromatic polymer (A) is soluble in the uncured thermoset resin precursor(s) (P) of said thermoset resin (R), and (ii) the low Tg polymer (B) is insoluble in the uncured thermoset resin precursor (P).

Abstract: An epoxy resin composition of the following chemical structure (I), where n is a number from 1 to about 3000; each m independently has a value of 0 or 1; each R0 is independently —H or —CH3; each R1 is independently —H or a C1 to C6 alkylene radical (saturated divalent aliphatic hydrocarbon radical), Ar is a divalent aryl group or heteroarylene group; and X is a cycloalkylene group, including a substituted cycloalkylene group, where the substituent group include an alkyl, cycloalkyl, an aryl or an aralkyl group or other substituent group, for example, a halogen, a nitro, or a blocked isocyanate, an alkyloxy group; the combination of cycloalkylene and alkylene groups and the combination of alkylene and cycloalkylene group with a bridging moiety in between.

Abstract: A stabilizer polymer and coating compositions containing the stabilizer polymer are provided. The stabilizer polymer preferably includes a polyester backbone and a plurality of carbon-carbon double bonds. A coating composition is provided that preferably includes the stabilizer polymer, an acrylic component, and a thermoplastic dispersion. In a preferred embodiment, the acrylic component is included in the stabilizer polymer.

Abstract: Biodegradable aliphatic/aromatic copolyester comprising: A) an acid component comprising repeating units of: 1) 53 to 54 mol % of an aromatic carboxylic acid; 2) 47 to 36 mol % of an aliphatic acid at least 50% of which is azelaic acid; B) a diol component selected from the group consisting of C3, C4 and C6 diols said AAPE being disintegrated according to the Standard ISO 20200 in 90 days.

Abstract: Biodegradable aliphatic/aromatic copolyester comprising 50 to 60 mol % of an aromatic dicarboxylic acid and 40 to 50 mol % of an aliphatic acid, at least 90% of which is a long-chain dicarboxylic acid (LCDA) of natural origin selected from azelaic acid, sebacic acid, brassylic acid or mixtures thereof; and a diol component.

Abstract: The invention relates to a method for producing metal salt nanogel-containing aqueous dispersions, solid intermediate products and waterproof plastic products, thus allowing the simple production of novel products having homogeneously distributed agents, which exhibit, for example, an antimicrobial or barrier effect and/or have an absorbing capacity, such as with respect to oxygen, humidity, chemical, particularly gaseous compounds, or electromagnetic or radioactive radiation.

Abstract: A resin compound includes a reaction product of (A) polymer which is at least selected from aliphatic polyester and aliphatic polyamide and (B) an aromatic compound with a compositional ratio from 0.1 to 10 parts by weight with respect to 100 parts by weight of (A) and represented by the following Formula (1): wherein each of R1, R2, and R3 represents a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic group having 6 to 10 carbon atoms; each of R4, R5, R6, and R7 represents a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms or a substituted or unsubstituted aromatic group having 6 to 10 carbon atoms; each of m and n independently represents an integer from 0 to 3; and each of p and q represents an integer from 0 to 4.

Abstract: Provided are aliphatic-aromatic copolyetheresters that can exhibit biodegradation and improved physical properties. The copolyetheresters can be blended with other polymeric materials, and are useful for making a variety of shaped articles.

Abstract: Biodegradable aliphatic/aromatic copolyester comprising: A) an acid component comprising repeating units of: 1) 49 to 63 mol % of an aromatic carboxylic acid; 2) 51 to 37 mol % of an carboxylic acid, at least 50% of which is brassylic acid; B) a diol component; said copolyester being disintegrated according to the Standard ISO 20200 in 90 days.

Abstract: The use of a polyamide modified by sulfonate functions which has improved barrier properties is described. Further described is the use of a sulfonate, aliphatic or aromatic compound for manufacturing a modified polyamide having improved fluid-barrier properties. The composition as described includes a modified polyamide, which is optionally a composition in the form of granules or powder used in manufacturing articles by an injection or extrusion blow-molding method.

Abstract: Disclosed herein is an insulating resin composition for a printed circuit board, including 40 to 70 wt % of a liquid crystal oligomer shown in formula 1, 10 to 30 wt % of an epoxy resin, 10 to 30 wt % of a cyanate-based resin, and 0.1 to 0.5 wt % of a curing catalyst, and a printed circuit board including the same. According to an exemplary embodiment of the present invention, the printed circuit board has electric, thermal, and mechanical stabilities even though the printed circuit board is reduced in weight, thickness, and size. Further, a stable driving property is ensured, dielectricity is low, and attachment strength, chemical resistance, and warpage property are excellent during a board process in the related art.