Abstract: The present invention provides a process for the production of a viscoelastic flexible polyurethane foam. The invention further relates to a viscoelastic flexible polyurethane foam slab or viscoelastic flexible polyurethane foam molding with particularly low emission values and pH values as close as possible to neutral, produced by the process according to the invention, and to the use of these foams.

Abstract: Disclosed are high strength polyurethane foam compositions and methods of making them. In one aspect, the inventive polyurethane foams include strength enhancing additives comprising one or more polycarbonate polyols derived from the copolymerization of CO2 and one or more epoxides. In one aspect, the inventive methods include the step of substituting a portion of the polyether polyol in the B-side of a foam formulation with one or more polycarbonate polyols derived from the copolymerization of CO2 and one or more epoxides.

Abstract: The invention relates to a storage-stable resin film based on polyurethane systems having a very high characteristic number and fiber-composite components (composite components, molded bodies) produced therefrom by compressing the resin film, in combination with fiber-reinforced materials such as woven fabrics and fleece, at high temperatures and under pressure, and to a method for the production thereof.

Abstract: The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants.

Abstract: The instant invention is a polyurethane dispersion, method of producing the same, coated articles, and method for coating articles. The polyurethane dispersion according to the present inventions includes (a) one or more polyurethane units derived from one or more prepolymers wherein the one or more prepolymers comprise the reaction product of a mixture dissolved in dipropylene glycol dimethyl ether in the presence of one or more first surfactants with one or more isocyanates, wherein the mixture comprises one or more natural oil based polyols, and one or more adipate polyols, and optionally one or more short diols; and (b) water.

Abstract: A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer; (ii) reacting the reactive polymer with a polyisocyanate having a functionality of X to form an intermediate polymer product; and (iii) reacting the intermediate polymer product with a polyol having a functionality of Y to form the coupled polymer product, where X+Y?5.

Abstract: Nanoparticle compositions including calcite and a surface-modifying agent bonded to the calcite are described. The surface-modifying agent includes a binding group bonded to the calcite and a compatiblizing segment. The compatiblizing segment includes at least one of a polyethylene oxide, a polypropylene oxide, a polyester, a polyamide, or a combination thereof. The composition includes less than 2 wt. % solvents and/or resins. Methods of preparing nanoparticle compositions are also described.

Abstract: The present invention relates to a foam sheet using cross-linked polylactic acid and method of manufacturing the same, and more particularly a foam sheet using cross-linked polylactic acid and method of manufacturing the same with not only excellent waterproofing and workability but also relatively high foaming ratio and a uniform closed foam cell structure, by producing cross-linked polylactic acid resin in a fixed condition using composites comprising polylactic acid, cross linking agents, and/or co-crosslinking agents, and then forming a sheet shape in a fixed condition using composites comprising the cross-linked polylactic acid and foaming agents, and then foaming at relatively high temperature conditions.

Abstract: The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted.

Abstract: A method can include immortal ring-opening homopolymerisation of cyclic carbonates or cyclic esters in the presence of a catalytic system, or sequential two-step ring-opening block copolymerisation of one or more cyclic monomers selected from cyclic carbonates or cyclic esters in the presence of the catalytic system. The catalytic system can include a phenolate supported metallic complex. The catalytic system can also include an alcohol or a primary amine containing aliphatic and/or aromatic moieties. The alcohol or primary amine can be present in a molar ratio with respect to the metallic complex that is larger than 1.

Abstract: A process for preparing a copolymer comprising subjecting a first cyclic ester having a ring size from 4 to 11 atoms and a second cyclic ester having a ring size from 12 to 40 atoms to ring-opening copolymerization using as catalyst a compound of formula I, wherein M is trivalent Al, Ti, V, Cr, Mn, Co, yttrium, Sc or lanthanides; X and X? are both a heteroatom; Y and Y? are O, N, S or P; Z is a substituent as described herein; L1 is an organic moiety linking X and Y; L2 is an organic moiety linking X? and Y?; L3 is an organic moiety linking Y and Y? and has a chain length between Y and Y? of at least 2 atoms. The copolymer has a randomness of at least 0.5 and a number average molecular weight of at least 15000 g/mol.

Abstract: The present invention provides methods for reducing induction periods in epoxide-CO2 copolymerizations. In certain embodiments, the methods include the step of contacting an epoxide with CO2 in the presence of two catalysts: an epoxide hydrolysis catalyst and an epoxide CO2 copolymerization catalyst. In another aspect, the invention provides catalyst compositions comprising a mixture of an epoxide hydrolysis catalyst and an epoxide CO2 copolymerization catalyst.

Abstract: There is provided an organic polymer porous body having a first cyclic structure equipped with a 6-membered ring (A) or a 5-membered ring having three bonds; a second cyclic structure equipped with a 6-membered ring (B) having two or three bonds; and a carbon-carbon triple bond that links the first cyclic structure to the second cyclic structure. At least one of the first cyclic structure and the second cyclic structure contains at least one nitrogen atom.

Abstract: The present invention relates to silicone copolymers of the formula (I) which are obtained by reaction of siloxanes having SiH groups with specific compounds having one or more groups reactive toward SiH groups, especially groups having C—C multiple bonds, and optionally at least one OH group, compositions comprising these silicone copolymers, a process for producing a polyurethane foam in which an appropriate silicone copolymer or a corresponding composition is used, polyurethane foam obtainable by the process, and articles comprising or consisting of a corresponding polyurethane foam.

Abstract: Disclosed is a curable composition including a silicone (A) of a specific structure and a composition containing Si—OH group and Si—H group, a silicone (B) of a specific structure and a composition containing Si—OH group and Si—CH?CH2 group, and a hydrosilylation catalyst of a catalytic quantity containing at least one metal compound selected from the group consisting of platinum compounds, palladium compounds, and rhodium compounds. In this curable composition, as kind of each silicone and the content of Si—OH group are adjusted, in curing the silicone, foaming in a cured product can be inhibited by inhibiting a dehydration condensation reaction between Si—OH groups, as compared with a hydrosilylation reaction which is a reaction of Si—CH?CH2 group and Si—H group. Furthermore, an excellent adhesion to a base body such as semiconductor substrate can be given when making a cured film.

Abstract: The invention relates to a thermosetting resin composition containing (A) to (D) below. (A) A thermosetting resin containing an SiH group and an alkenyl group, wherein the thermosetting resin is a reaction product between silsesquioxane having the SiH group and organopolysiloxane having two alkenyl groups; (B) a linear organopolysiloxane compound having an SiH group only at one terminal; (C) a silane coupling agent having an epoxy group; and (D) a Pt catalyst.

Abstract: A flame retardant filler includes a bridged polysilsesquioxane prepared by sol-gel polymerization. In an exemplary synthetic method, a bridged polysilsesquioxane-based flame retardant filler is prepared by sol-gel polymerization of a monomer having two or more trialkoxysilyl groups attached to an organic bridging group that contains a fire retardant group (e.g., a halogen atom, a phosphinate, a phosphonate, a phosphate ester, and combinations thereof). Bridged polysilsesquioxane particles formed by sol-gel polymerization of (((2,5-dibromo-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(trimethoxysilane), for example, and follow-on sol-gel processing may serve both as a filler for rheology control (viscosity, flow, etc.) and a flame retardant.

Abstract: Low viscosity polyorganosiloxanes comprising a) at least one polyorganosiloxane group, b) at least one quaternary ammonium group, c) at least one terminal group, selected from the groups consisting of: c1) at least one terminal mono functional polyorganosiloxane group, c2) at least one terminal ester group, and c3) at least one terminal alkyl-terminated poly ether group, compositions thereof, aqueous emulsions thereof, methods of the manufacture thereof and their use for the modification of surfaces of substrates.

Abstract: A phenol-modified polyorganosiloxane suitable as a modifier for an organic resin, in which a platinum metal content is reduced, and the yellowing is reduced, a method for preparing the same, and a modifier for an organic resin containing the same are provided. The phenol-modified polyorganosiloxane is a compound of formula (I), having a platinum metal content of 0.9 ppm or less. The phenol-modified polyorganosiloxane can be prepared by subjecting a phenol compound substituted with an alkenyl group of formula (IV) and a polyorganohydrogen siloxane of formula (V) to a hydrosilation reaction in the presence of a platinum-based catalyst applicable to a homogenous system, and subsequently, reducing the platinum metal content of the resulting product to 0.

Abstract: Bone hemostat compositions, and methods for their use and manufacture are provided. Exemplary hemostatic compositions include polymeric components such as random and non-random copolymers, natural polymers, ceramics, reactive group polymers, and combinations thereof. Bone compositions may be used during surgical procedures, and may be applied to bone to inhibit or prevent bleeding from bone.

Abstract: Techniques are provided to independently control 3D shape and chemistry of rapidly produced colloids. A pre-polymer mixture including a monomer is made to flow into a channel with insular relief in a wall at a known location of the channel. A stimulus that polymerizes the pre-polymer mixture is directed onto the known location to form a structure locked in place at the known location by the insular relief. A pressure is applied to the channel that is sufficient to deflect the wall having the insular relief sufficiently to release a hydrogel particle comprising the structure.

Abstract: The present invention relates to a material as interpenetrating polymer network (IPN) associating a gel with a co-network of functionalized synthetic polymer and functionalized protein as well as a method of the manufacture of such a material. In particular, the invention relates to a material as interpenetrating polymer network associating a fibrin gel with a co-network of polyvinylalcohol and albumin thank to methacrylate bridges, with improved biodegradability properties.

Abstract: Provided are: an organic/inorganic composite, and a manufacturing method therefor; and a dental material and bone substitute material manufactured using the organic/inorganic composite. The organic/inorganic composite includes: (A) 100 parts by mass of a thermoplastic resin containing as a main component at least one kind selected from a polyarylketone resin and a polysulfone resin; and (B) 60 to 300 parts by mass of an inorganic particle mixture dispersed in the thermoplastic resin, in which the inorganic particle mixture contains inorganic particles each having a particle diameter of from 200 to 700 nm at a content of 25 vol % or more, and inorganic particles each having a particle diameter of from 40 to 100 nm at a content of 10 vol % or more.

Abstract: The invention relates to a process for the preparation of a masterbatch in the liquid phase based on one or more diene elastomer latexes and on one or more fillers, comprising the following successive stages: preparation of a stable and homogeneous aqueous dispersion by mixing one or more diene elastomer latexes with one or more stable aqueous dispersions of one or more fillers, the said fillers; homogenization of the aqueous dispersion, coagulation within the aqueous dispersion of the said diene elastomer latex or latexes with the filler or fillers by supplying mechanical energy, recovery of the coagulum, drying the recovered coagulum in order to obtain the masterbatch.

Abstract: This disclosure relates to ethylene interpolymer compositions. Specifically, ethylene interpolymer products having: a Dilution Index (Yd) greater than 0; total catalytic metal?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (Xd) greater than 0. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.869 to about 0.975 g/cm3, a polydispersity (Mw/Mn) from about 2 to about 25 and a CDBI50 from about 20% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

Abstract: This disclosure relates to rotomolded articles, having a wall structure, where the wall structure contains at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Yd) greater than 0; total catalytic metal ?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (Xd) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm3, a polydispersity (Mw/Mn) from about 2 to about 25 and a CDBI50 from about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

Abstract: To provide a novel fumaric acid diester-cinnamic acid ester-based copolymer having a high molecular weight, which is expected to maintain excellent strength or ensures excellent toughness even when formed into a film, a method for efficiently producing the copolymer, and a film using the same. The fumaric acid diester-cinnamic acid ester-based copolymer contains a fumaric acid diester residue unit, a cinnamic acid ester residue unit having an alkyl group with a carbon number of 1 to 6, and a residue unit of a polyfunctional monomer having two or more radical polymerizable functional groups.

Abstract: The present invention relates to a process comprising a step of heat treatment of a polyamide-based powder so as to reduce the difference between the initial crystal rearrangement temperature and the final crystal rearrangement temperature. The invention also relates to articles obtained by using powders that have undergone this treatment, in particular by selective melting of layers of polymer powder, in particular rapid prototyping by solid-phase sintering using a laser.

Abstract: A method for making polyethylene aerogels, including high molecular weight aerogels, commences by in a hydrocarbon solvent (e.g., toluene or benzene) in which polyethylene is insoluble at room temperature, adding polyethylene to the solvent heated to a temperature at which said polyethylene is soluble to form a reaction mixture. A free-radical catalyst is added to the reaction mixture and the reaction mixture is held until the desired gelation of the polyethylene has been achieved. The reaction mixture is cooled to about room temperature; and the hydrocarbon solvent is replaced with a gas (e.g., CO2 or air) to form the polyethylene aerogel. Optionally, the cooled reaction mixture can be contacted with an anti-solvent for polyethylene to replace the hydrocarbon solvent with the anti-solvent. Silica aerogel particles can be encapsulated in polyethylene aerogel by adding the particles to the polyethylene gelation reaction mixture.

Abstract: Disclosed and claimed herein are hybrid silica aerogels containing non-polymeric, functional organic materials covalently bonded at one or both ends to the silica network of the aerogels through a C—Si bond between a carbon atom of the organic material and a silicon atom of the aerogel network. Methods of their preparation are also disclosed.

Abstract: Polymeric composite materials, particularly highly filled polyurethane composite materials are described herein. Such highly filled polyurethane composite materials may be formed by reaction and extrusion of one or more polyols, one or more di- or poly-isocyanates, and from about 45 to about 85 weight percent of inorganic filler such as fly ash. Certain polyols, including plant-based polyols can be used. Certain composite materials also contain chain extenders and/or crosslinkers. The polyurethane composite material may also contain fibers such as chopped or axial fibers which further provide good mechanical properties to the composite material. Shaped articles containing the polyurethane composite material have been found to have good mechanical properties, such that the shaped articles are suitable for building applications.

Abstract: An object of the present invention is to provide an anisotropic heat conductive composition comprising: resin; and graphite fillers dispersed into the resin, wherein the graphite fillers each have a maximum diameter A in parallel with a basal plane of each of the graphite fillers and a maximum length C perpendicular to the basal plane, an average of the maximum diameters A ranges from 1 ?m to 300 ?m, an average ratio of the maximum diameter A to the maximum length C represented by A/C is at least 30, a content of the graphite fillers is 20 mass % to 40 mass %, and an average of a smaller angle made by the basal plane and a sheet surface of the sheet anisotropic heat conductive composition is less than 15°.

Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.

Abstract: A composite structure provides high thermal conductivity as a thermal interface structure with a relatively low filler loading. The composite structure is formed by dispersing nanoparticles in a matrix at a low filler loading, and controlled sintering of the composite structure to induce agglomeration of the nanoparticles into a connected percolating thermally conducting network structure within the matrix.

Abstract: The present invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, wherein the polymer composition has a melt volume flow rate (MVR) of at most 70 cm3/10 min at a weight of 21.6 kg and at a temperature of Tmeasure as measured according to ISO 1133. The invention also relates to a process for preparation of such fuel part wherein a blow-molding or roto-molding process is applied.

Abstract: A liquid crystalline polymer composition that contains a conductive filler (e.g., carbon fibers, ionic liquid, etc.) and a plurality of mineral fibers distributed within a liquid crystalline polymer matrix is provided. Through careful selection of the conductive filler and mineral fibers, as well as the manner in which they are dispersed within the polymer matrix, the present inventors have discovered that a composition can be formed that has a reduced tendency to create a static electric charge during a molding operation, but yet also has good surface characteristics and mechanical properties.

Abstract: A composition comprising: at least one organosilicon compound A comprising at least two identical or different hydrolyzable and condensable groups, or at least two silanol functions ?SiOH, at least one crosslinking agent B, optionally at least one filler C, and a catalytically effective amount of at least one polycondensation catalyst M which is a zinc complex comprising in its structure a first type of ligand that is a ?-diketonate and a second type of ligand that is an amine.

Abstract: There is provided a polymer film including a polymer; and a high molecular weight plasticizer that has a number average molecular weight of 700 to 10,000 and has a repeating unit derived from a dicarboxylic acid and a diol, wherein the dicarboxylic acid for forming the high molecular weight plasticizer includes at least one aliphatic dicarboxylic acid having 2 to 20 carbon atoms and at least one aromatic dicarboxylic acid having 8 to 20 carbon atoms, and the diol includes at least one diol selected from the group consisting of an aliphatic diol having 2 to 12 carbon atoms, an alkyl ether diol having 4 to 20 carbon atoms and an aromatic ring-containing diol having 6 to 20 carbon atoms.

Abstract: Provided is a process for making non-phthalate plasticizers, by acylating an aromatic compound with a succinic anhydride to form a keto-acid, and then esterifying the keto-acid with C4-C13 OXO-alcohols to form a plasticizer compound. The aromatic rings of the aromatic compound may also be optionally hydrogenated.

Abstract: Plasticized, unpigmented and pigmented PVC films are described which utilize a biobased, phthalate ester alternative primary plasticizer. The films show comparable color performance to the phthalate ester-plasticized unpigmented or pigmented PVC films, even where the neat biobased plasticizer has a much higher Pt—Co color as measured according to DIN-6271 (ASTM D 1209) compared to the neat phthalate ester plasticizer. Biobased primary plasticizers in the form of diesters of furan-2,5-dicarboxylic acid are especially contemplated, and provide increased thermal stability to the PVC films as an added benefit.

Abstract: A process is provided for preparing new mixtures of N,N-bis(2-hydroxyalkyl)-4-toluidine derivatives which can be used as polymerization accelerators.

Abstract: The invention relates to novel carbodiimides having terminal urea and/or urethane groups, methods for the preparation thereof and use thereof as stabilizers in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PET), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE E), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and/or in PLA derivatives, in polybutylene adipate terephthalates (PBAT), in polybutylene succinates (PBS), in polyhydroxyalkanoates (PHA), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings or in PU foams.

Abstract: A thermoplastic resin composition for automobiles including about 40 to about 80 weight % semi-aromatic polyamide resin; about 0.1 to about 1 weight % copper halide thermal stabilizer; about 0.1 to about 5 weight % zeolite; and about 15 to about 55 weight % glass fiber.

Abstract: The present invention provides a polyamide resin composition reinforced with glass fiber which can produce a molded product having high anti-vibration property or, in other words, having very high resonance frequency and having, upon necessity, excellent weather-resisting color fastness. A polyamide resin composition reinforced with glass fiber, comprising a polyamide resin (A) constituted from aliphatic polyamide (a1) and aromatic component-containing polyamide (a2), and glass fibers (B) having a cross-sectional area of 1.5 to 5.0×10?6 cm2, wherein ratio by weight of the polyamide resin (A) to the glass fibers (B) [(A):(B)] is from 20:80 to 35:65 and ratio by weight of the aliphatic polyamide (a1) to the aromatic component-containing polyamide (a2) [(a1):(a2)] is from 5:95 to 95:5. The polyamide resin composition reinforced with glass fibers of the present invention can further comprise carbon black (C) in an amount of at most 5% by weight.

Abstract: The present invention relates to a fluoropolymer coating having improved tribological properties, which coating comprises nanodiamond particles in a concentration between 0.01 wt. % and 5 wt. %, wherein said fluoropolymer coating is obtained by drying and curing a slurry composition comprising said fluoropolymer and said nanodiamond particles, wherein the zeta potential of the nanodiamond particles is over ?30 mV at pH higher than 8. The invention also relates to a slurry composition which can be used for producing said fluoropolymer coating.

Abstract: PLA-containing materials, and building components containing such materials, include: polylactic acid (PLA); one or more inorganic pigments; and one or more stabilizers that includes one or more carbodiimide groups.

Abstract: The present invention provides a method for producing a resin composition, which, by means of simple steps, can uniformly disperse microfibrillated plant fiber in a highly hydrophobic resin and can impart enhanced mechanical strength to a molding material obtained by molding the resin composition. The present invention further provides a resin composition having excellent heat resistance and low linear thermal expansion. The present invention relates to a method for producing a resin composition, the method including a step of mixing a thermoplastic resin or thermosetting resin (A), and modified plant fiber (b) or modified microfibrillated plant fiber (B), in the presence of an organic liquid (C), the modified plant fiber (b) or modified microfibrillated plant fiber (B) being obtained by modification with an alkyl or alkenyl succinic anhydride in a liquid capable of swelling microfibrillated plant fiber (B?) or plant fiber (b).

Abstract: The invention provides a rubber composition for tires, enabling a balanced improvement of processability, rubber strength, fuel economy, and crack growth resistance; and a pneumatic tire formed from the rubber composition. The invention relates to a rubber composition for tires, including: a butadiene rubber (a) having a cis content of 96% by mass or more, a Mooney viscosity of 35 to 75, and a ratio of (Weight average molecular weight (Mw))/(Number average molecular weight (Mn)) of 2.7 or less; and a butadiene rubber (b) containing 1,2-syndiotactic polybutadiene crystals with a melting point of 90 to 140° C., and having a weight average molecular weight of 50,000 to 500,000.

Abstract: The invention relates to mercaptosilane-polymer blends comprising at least one mercaptosilane of the general formula I and at least one polymer selected from the group of polypropylene, polyethylene and ethylene-vinyl acetate. They are produced by mixing the mercaptosilane of the general formula I with the polymer. They can be used in rubber mixtures.

Abstract: A polymer composition has homogenous dispersion of a first polymer with a second polymer. The first polymer includes but is not limited to ethylene based homopolymer and ethylene based copolymer. The second polymer has molecular weight higher than the molecular weight of the first polymer and heat of fusion greater than 200 J/g.