Abstract: Provided herein are polymer (e.g., PET) compositions comprising exfoliated hexagonal boron nitride (h-BN), methods of preparing and methods of using thereof. The methods for preparing the polymer (e.g., PET) compositions include providing a reactant mixture comprising exfoliated hexagonal boron nitride (h-BN) and a first monomeric or oligomeric reactant, and polymerizing the first monomeric or oligomeric reactant. Also provided are containers (e.g., bottles) prepared using the polymer (e.g., PET) compositions comprising exfoliated h-BN.

Abstract: The invention relates to polycarbonate compositions with an improved thermal behavior and improved slip characteristics, achieved by the use of oxidized, acid-modified polyethylene waxes.

Abstract: Provided is a polyorganosiloxane, wherein a value obtained by integrating dw/d log(M) from 2.5?log(M)?3.1 is 0 to 10% of a value obtained by integrating dw/d log(M) over the entire range of log (M) in a differential molecular weight distribution curve, wherein the differential molecular weight distribution curve is determined by gel permeation chromatography using the polystyrene calibration curve, has an x-axis showing a logarithmic value log(M) of a molecular weight M and has a y-axis showing dw/d log(M) obtained by differentiating a concentration fraction w with respect to the logarithmic value log(M) of the molecular weight.

Abstract: Copolymer comprising polyarylene ether blocks and hydrophilic-hydrophobic blocks, wherein said hydrophilic-hydrophobic blocks comprise polyisobutene blocks.

Abstract: Provided are methods for surface-modifying a rubber vulcanizate or a thermoplastic elastomer, the methods forming a surface with a chemically fixed lubricant instead of resin coating which has drawbacks, such as that the coating is, for example, removed or peeled during the movement within a vessel, whereby the lubricity is reduced. The present invention relates to a method for surface-modifying an object of a rubber vulcanizate or a thermoplastic elastomer, the method including step 1 of forming polymerization initiation points on a surface of the object, and step 2 of radically polymerizing a deliquescent monomer starting from the polymerization initiation points by irradiation with ultraviolet light having a wavelength within the range of 300 to 400 nm, to grow polymer chains on the surface of the object.

Abstract: The invention relates to polyisocyanates comprising urethane groups, based on toluylene diisocyanate, to a method for their production, and to their use as the polyisocyanate component in one- and two-component polyurethane coatings.

Abstract: The present invention relates to a process for preparing polyamines having a mean molecular weight of ?203 g/mol, in which the deviation from the mean molecular weight per ° C. of change in the reaction temperature is <19% of the mean molecular weight, by polycondensation of diamines in the liquid phase in the presence of heterogeneous catalysts based on transition metals of the eighth to eleventh transition groups of the Periodic Table of the Elements and hydrogen at temperatures of 100 to 250° C. and pressures in the range from 60 to 150 bar, to the polyamines obtainable by this process, and to the use of the polyamines.

Abstract: An anti-reflective hardmask composition is provided.

Abstract: A copolymer including a repeating unit represented by (I) wherein: Y is selected from: a carboxylic acid, sulfonic, phosphorous acid and phosphoric acid and their corresponding salt or ester; imino, amide, nitrile, hydrogen, hydroxyl and alkyl comprising from 1 to 6 carbon atoms; and R1, R2, R3, and R4 are independently selected from: hydrogen, alkyl groups comprising from 1 to 6 carbon atoms, and R1 and R2 may collectively form a ketone group or a 9, 9?-fluorene group, and R3 and R4 may collectively form a ketone group or a 9, 9?-fluorene group; R5 and R6 are independently selected from: a bond and an alkylene group comprising from 1 to 6 carbon atoms; R7 is selected from: hydrogen, alkyl, aryl, aralkyl and heteroaryl groups comprising from 1 to 8 carbon atoms which may be unsubstituted or substituted with carboxylic acid, sulfonic acid and phosphoric acid and their corresponding salt or ester, imino and amide; and X and X? are independently selected from: a carboxylic acid, sulfonic acid and phosphoric acid

Abstract: Provided are: a transparent polyimide copolymer which satisfies solvent solubility, storage stability, heat resistance, mechanical strength and thermal yellowing resistance at high levels and has excellent utility; a polyimide resin composition; a molded article; and a production method of the copolymer. The transparent polyimide copolymer is obtained by copolymerizing: (A) 4,4?-oxydiphthalic dianhydride and/or 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride; and (B) at least one diamine and/or diisocyanate represented by the following Formulae (1) to (3): (wherein, X represents an amino group or an isocyanate group; R1 to R8 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; and at least one of the R1 to R8 is not a hydrogen atom).

Abstract: This invention is directed to polyimide-based polymer thick film compositions and particularly non-fluorinated polyimide-based polymer thick film compositions. These compositions are comprised of certain polyimide polymers and certain solvents. In some embodiments various functional components are added to the composition to provide compositions that can be used to form various elements of an electrical circuit.

Abstract: Aliphatic polyimides are synthesized by a 2:1 molar ratio reaction of an unsaturated monoanhydride or an unsaturated diacid with a diamine. Bio-derived monomers are particularly useful in the synthesis of the aliphatic polyimides.

Abstract: A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by reacting the polymeric material with components such as proteins.

Abstract: Methods and formulations for modified silicone resins of Formula (II) are presented. Formula (II) comprises at least one of each of the following subunits: The R1, R2, R3, R6, R7, R8, R9, R10, R11, R12 and R13 are each independently selected from a group consisting of H, alkyl, alkenyl, alkynyl, and aryl. The X is selected from a group consisting of arylene, transition metal, inorganic oxide, and silsesquioxane. The values of t ranges from 1 to 10, y ranges from 1 to 200 and z ranges from 1 to 1,000. The elastomeric materials prepared from modified silicone resins display robust mechanical properties following prolonged exposure to high temperatures (e.g., 316° C. or higher).

Abstract: One-pot synthetic methods are disclosed for synthesizing curable, antimicrobial silsesquioxane-silica hybrids by hydrolytically co-condensing a tetraalkoxysilane with two different trialkoxysilanes. Particles are also disclosed that are substantially spherical and have an ordered lamellar internal structure. In addition, polymers prepared from the curable, antimicrobial silsesquioxane-silica hybrids and co-monomers are disclosed.

Abstract: A nested capsule having a first capsule held within a second capsule. Each of the first and second capsules has a shell that is a supramolecular cross-linked network, such as a cucurbituril supramolecular cross-linked network. Each capsule shell is obtained or is obtainable from the complexation of a composition including a host, such as cucurbituril, and one or more building blocks having suitable guest functionality for the host, thereby to form a supramolecular cross-linked network. The nested capsules are suitable for delivering and selectively releasing an encapsulant at a location.

Abstract: A polymer substrate, such as a polymer particle, is formed from a carboxyl functional monomer. In an example, the carboxyl functional monomer has a protection group in place of the OH of the carboxyl group. Once the monomer is polymerized, such a protection group can be removed, providing a polymer network with carboxyl functional sites. Such sites can be used to attach other functionality to the polymer substrate.

Abstract: A method for preparing solid materials is described. One aspect of the method includes the steps of (a) providing a feedstock comprising an organic material(s) in a solvent system containing a non-solvent for the organic material at an elevated temperature and/or pressure above ambient conditions, (b) distributing the feedstock into either droplets or a film, and (d) evaporating the solvent system from the feedstock.

Abstract: A method of forming an organic polymeric particle, comprising (i) forming a core of an organic hydrophilic polymer with monomers that contains an acid group, a latent acid group, or a combination thereof; (ii) forming a shell that comprises an organic polymer with monomers that contains an acid group, a latent acid group, or a combination thereof to encapsulate the core, where the shell has an initial size; expanding the core to form a hollow porous structure from the shell, where the hollow porous structure has an expanded size larger than an initial size of the shell; and (iii) hydrolyzing the acid group, the latent acid group or the combination thereof of the hollow porous structure and the organic hydrophilic polymer to give the organic polymeric particle a void volume fraction of 40 percent to 85 percent.

Abstract: The present invention relates to a hydrophobic additive for use with fabric, fiber, and film. One aspect of the present invention comprises a master batch composition for use in preparing a non-woven fabric in order to increase the hydrophobicity of the non-woven fabric. In one embodiment, the master batch composition includes a polymer and a lipid ester. The lipid ester comprises 10 wt. % to 40 wt. % of the master batch. The fabric, when including the master batch composition, has a contact angle ranging from 100° to 125° when measured according to test method ASTM D2578.

Abstract: A vulcanized rubber is formed by a method comprising blending a halogenated unsaturated polymer into a rubber comprised of cis 1-4 polyisoprene to form a vulcanizable polymer blend, adding a vulcanization material to the vulcanizable polymer blend, and vulcanizing the vulcanizable polymer blend to form a homogeneous vulcanized rubber. The method may be used to form a vulcanized rubber comprised of polyisoprene uniformly crosslinked with a halogenated unsaturated polymer that is a reaction product of (i) an unsaturated polymer miscible with polyisoprene and having conjugated dienes that undergo a Diels Alder reaction and (ii) a polyhalogenated cyclopentadiene.

Abstract: The invention provides creep resistant, highly lubricious, tough and ionic hydrogels, creep resistant, lubricious, tough ionic hydrogel-containing compositions, and methods of making the same. The invention also provides methods of implanting or administering the creep resistant, highly lubricious, tough and ionic hydrogels including ionic PVA-hydrogels, ionic PVA-PAAMPS-hydrogels, or the ionic hydrogel-containing compositions to treat a subject in need. Methods of cross-linking pre-solidified or pre-gelled ionic hydrogels and making cross-linked ionic hydrogels and cross-linked ionic hydrogel-containing compositions also are disclosed herein.

Abstract: A heat-shrinkable polyester film comprising ethylene terephthalate as a main component, containing not less than 0 mol % and not more than 5 mol % of a monomer component capable of serving as an amorphous component relative to the total of a polyester resin component, and having a main shrinkage direction in a lengthwise direction, wherein the heat-shrinkable polyester film satisfies heat shrinkage characteristics of the width direction and the lengthwise direction and the molecular orientation angle difference which is a difference between a molecular orientation angle of an edge of one end in the width direction and a molecular orientation angle of an edge of the other end.

Abstract: Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties.

Abstract: Disclosed are methods and systems for preparing open-celled polyurethane foams by a discontinuous box foam process in which (a) a polyurethane foam-forming composition is deposited into a container having a gas-permeable base and (b) the polyurethane-foam forming composition is allowed to form an open-celled polyurethane foam in the container. In these methods and systems, the gas-permeable base is heated before, during, and/or after step (a) and heating is continued during at least a portion of step (b).

Abstract: The use of bonded siloxane block polymers of the general average formula (I) MaM1bDcD1d TeQfGg as additive in the production of PUR foam using at least one polyol component and at least one isocyanate component, wherein the polyol component used has an average hydroxyl number, determined to DIN 53240-1:2012-07, of >56 to <450 mg KOH/g, preferably 57-300 mg KOH/g, and wherein the PUR foam is produced at an isocyanate index of 65 to 108, is described.

Abstract: Disclosed are a polyurethane composition, a molded article, and a vehicle comprising the polyurethane composition or the molded article. The polyurethane composition comprises a polyol composition (A) in which polyether polyol (a1) and polymer polyol (a2) are mixed at a predetermined amount, an isocyanate composition (B) obtainable by polymerizing polyether polyol (b2) and an isocyanate composition (b1) that comprises i) methylene diphenyl isocyanate (M-MDI) and ii) polymethylene diphenyl isocyanate (P-MDI). As such, the molded article such as a vehicle seat pad can be manufactured with improved static and dynamic comfort.

Abstract: In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, embodiments of the present disclosure, in one aspect, relate to macroporous photonic crystal membranes, structures including macroporous photonic crystal membranes, devices including macroporous photonic crystal membranes, methods of using macroporous photonic crystal membranes, methods of making macroporous photonic crystal membranes, and the like.

Abstract: Provided are a varnish for porous polyimide film production, providing an unburned composite film that is less likely to have a sea-island structure, and a method for producing a porous polyimide film using the same. The varnish according to the present invention comprises a resin including polyamide acid and/or polyimide, fine particles, and a solvent, and has a fine particle content of not less than 65% by volume relative to the total of the resin and the fine particles and a viscosity at 25° C. of not less than 550 mPa·s. Preferably, the varnish further comprises a dispersant. The method for producing a porous polyimide film according to the present invention comprises: forming an unburned composite film using the varnish; burning the unburned composite film to obtain a polyimide-fine particle composite film; and removing the fine particles from the polyimide-fine particle composite film.

Abstract: Silica-based organogels, including aerogels, incorporating hexahydrotriazine and/or hemiaminal species are described. These organo-silica gel materials can have applications as insulating materials. In a particular example, an aerogel includes silica groups and a hexahydrotriazine moiety with at least one nitrogen atom that is covalently linked to a silica group. Methods of making such silica-based organogels are also described.

Abstract: A granulation method that can be used to obtain a polymer from “post-consumer” materials, and a motor vehicle part made from polymers produced by recycling used polymers.

Abstract: A flexible sheet comprising a composite sheet, the composite sheet comprising a binder and an aggregate containing a plurality of carbon nanotubes that is disposed in the binder, wherein the aggregate is formed as a waveform structure travelling along a single direction in a plane of the composite sheet, is provided. The disclosed flexible sheets may be used as thermally conductive components, electrically conductive components, antistatic components, electromagnetic wave shields, and/or heating elements, in addition to other possible uses.

Abstract: A molding material having from about 10 weight percent to about 25 weight percent of an amorphous thermoplastic resin, from about 3 weight percent to about 25 weight percent of aluminum oxide, boron nitride or aluminum silicate and from about 65 weight percent to about 87 weight percent of iron oxide.

Abstract: The present invention provides an LCP derivative/soft magnetic ferrite composite material, which is prepared by complexing and assembling an LCP derivative as a host and soft magnetic ferrite particles as a guest. The present invention also provides a method for preparing the composite material. The composite material of the present invention has high stability and is not easily dissociated, and has high customized magnestic permeability, dielectricity, thermal stability, environmental resistance, and chemical resistance; and the preparation process of the composite material meets the energy-saving and emission reduction requirements. Therefore, the composite material has a wide industrial application prospect. The composite material of the present invention can be widely applied to the wireless communication field, the aviation, spaceflight and military fields, the microwave and radio frequency component application field, the automotive electronic component field, and the like.

Abstract: A purpose of the present invention is to provide a tire assuring that clogging of snow and sticking of snow are inhibited, particularly a tire assuring that clogging of snow and sticking of snow can be inhibited and having good performance on ice and snow and abrasion resistance without depending on the tread pattern form while maintaining wet grip performance and abrasion resistance. The tire is composed of a rubber composition which comprises a rubber component comprising a modified butadiene rubber and silica and has a pure water contact angle of from 125° to 140°.

Abstract: A cable fill composition for an optical fiber cable, said cable fill composition comprising (i) a Fischer-Tropsch derived base oil; and (ii) a thickening system, wherein the thickening system comprises at least one block copolymer. The cable fill composition of the present invention provides improvements in rheological characteristics, low temperature properties, and colour stability properties, as well as minimizing the levels of additives such as antioxidants and pour point depressants which need to be used.

Abstract: The present invention pertains to a curable composition comprising (a) at least one ethylene polymer, (b) at least one monoperoxycarbonate, and (c) from 0.05 to less than 0.4 part by weight of at least one t-alkyl hydroperoxide for 100 parts by weight of constituent (b). It is also directed to a method for preventing scorching of a curable composition comprising an ethylene polymer by adding a specific amount of t-alkyl hydroperoxide thereto.

Abstract: A pack comprising: a container, the container having a container body, and the container body being sufficiently oxygen permeable to prevent an anaerobically curable composition held therein from curing due to absence of oxygen; and an anaerobically curable composition held within the container is provided. The container body is constructed from a plastics material which is formed from a blend of a thermoplastic starch component and a polyethylene.

Abstract: The present invention relates to a rubber composition based on a reinforcing filler and on an elastomer matrix comprising a highly saturated diene elastomer comprising at least five distinct units of A, B, C, D and E distributed randomly within the elastomer at respective molar fractions of m %, n %, o %, p % and q %, where m+n+o+p+q=100; m?50; n+o+p+q?10; and 15?p+q?2. This rubber composition enables a satisfactory degree of stiffness to be reached while maintaining hysteresis properties acceptable for use in the manufacture of tires for running vehicles.

Abstract: The present invention is directed to a new polypropylene composition comprising a propylene homopolymer and a polymeric nucleating agent, to melt-blown fibers comprising the polypropylene composition, to a melt-blown web comprising the melt-blown fibers and/or the polypropylene composition, to an article comprising the melt-blown fibers and/or the melt-blown web as well as to the use of the polypropylene composition for improving the relation between pressure drop and hydrohead of a melt-blown web and for improving the thermo-mechanical properties of a melt-blown web in machine direction (MD) and transverse direction (TD).

Abstract: A process for producing a thermoplastic resin composition in which the continuous phase comprises an ethylene/vinyl alcohol copolymer (A) and a polyamide resin (B) and the dispersed phase comprises an acid-modified polyolefin elastomer (C), the process being characterized by comprising: step (I) in which an ethylene/vinyl alcohol copolymer (A) and an acid-modified polyolefin elastomer (C) are kneaded to form a mixture in which the acid-modified polyolefin elastomer (C) has been dispersed in the ethylene/vinyl alcohol copolymer (A); step (II) in which a polyamide resin (B) is subsequently added to the mixture obtained in step (I), and the resultant mixture is further kneaded; and step (III) in which a terminal-blocking agent (D) for the polyamide resin (B) is subsequently added to the mixture obtained in step (II) in an amount of 0.

Abstract: The present invention provides a method for preparing high-strength cross-linked polymer photonic crystal film by core-shell polymer microspheres via evaporation-induced self assembly. Monodispersed core-shell polymer microspheres are fabricated by emulsifier-free emulsion polymerization, and then the microspheres emulsion is coated onto suitable substrates. Finally, polymer photonic crystal film with long-range ordered is constructed via self assembly. Self-cross-linking between the two units improves the strength of the polymer photonic crystal film, therefore the preparation of large size industrial-grade photonic crystal film is practicable which extends its application on the field of dyeing.

Abstract: A contacting component and a structure including the contacting component are provided which are not only reduced in squeaking noises that are generated when comes into contact with and rubs against other members, but also superior in appearance of matting property. The contacting component comprises a molded article made from a thermoplastic resin composition (X) containing a vinyl graft polymer (A), a vinyl non-graft polymer (B) and a matting agent (C), wherein the vinyl graft polymer (A) contains an ethylene-?-olefin rubber polymer (a1), and the structure comprises the contacting component.

Abstract: A curable resin composition comprising: a fluorinated urethane(meth)acrylate represented by formula (1), wherein, R1, R2, R3 and R4 each independently represents a hydrogen atom or a methyl group, x and y each independently represents 1 or 2, and n represents an integer within the range of 1 to 10; R3 and R4 each independently represents the hydrogen atom when x and y are both 1; R3 represents the hydrogen atom and R4 represents the methyl group when x is 1 and y is 2; R3 represents the methyl group and R4 represents the hydrogen atom when x is 2 and y is 1; and R3 and R4 each independently represents the methyl group when x and y are both 2.

Abstract: The present invention relates to a thermoplastic resin composition and a molded article manufactured thereofrom. In accordance with the present invention, a thermoplastic resin composition providing higher chemical resistance with respect to a blowing agent while providing the same impact strength, gloss, and vacuum moldability as existing resin compositions when used to produce an inner case of a refrigerator, and a molded article manufactured from the same are provided.

Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.

Abstract: Copolymers having General Formula (I): in which R1, R2, and R3 are chosen from C1 to C30 aliphatic groups, R4 is chosen from divalent C4 to C7 linear aliphatic groups and divalent C4 to C7 linear heteroaliphatic groups, optionally substituted with one or more C1-C6 linear aliphatic groups, C1-C6 branched aliphatic groups, or combination thereof, R5, R6, and R7 are each independently chosen from methyl or hydrogen, x is chosen from 0 to 0.8, y is chosen from 0 to 0.8, when y is 0, x is greater than 0, and when x is 0, y is greater than 0, and z is chosen from 0.1 to 0.9. The summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates, including contacting the fluid with at least one copolymer of General Formula (I).

Abstract: The present invention provides a pneumatic tire provided with a tread formed from a rubber composition that can achieve balanced improvements in fuel economy and wet-grip performance. The present invention relates to a pneumatic tire provided with a tread formed from a rubber composition, the rubber composition containing a rubber component, silica, and a specific silane coupling agent, the rubber component containing, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a specific constituent unit, at least one terminal of the polymer being modified with a specific compound, the rubber composition containing the silica in an amount of 5 to 150 parts by mass relative to 100 parts by mass of the rubber component.

Abstract: A high-CTI and halogen-free epoxy resin composition for copper-clad plates and uses thereof is provided. The formula of the high-CTI and halogen-free epoxy resin composition for copper-clad plates comprises 100˜140 parts of halogen-free phosphorous epoxy resin, 10˜35 parts of dicyclopentadiene phenolic epoxy resin, 32˜60 parts of benzoxazine, 1˜5 parts of phenolic resin, 0.05˜0.5 parts of accelerants; and 25˜70 parts of fillers, by weight. The copper-clad plates, prepared according to embodiments of the present invention, can reach the requirements of high CTI (CTI?500V), high heat resistance (Tg?150° C., PCT, 2 h>6 min) and the level of flame retardance of UL-94 V0, and they are widely used in the electronic materials of electric machines, electric appliances, white goods and so on.

Abstract: The present invention relates to a polyester mixture comprising: i) from 95 to 99.95% by weight, based on components i and ii, of a polyester selected from the group consisting of: polybutylene terephthalate, polycyclohexylenedimethylene 2,5-furandicarboxylate, polybutylene adipate-co-terephthalate, polybutylene sebacate-co-terephthalate, polybutylene succinate-co-terephthalate, polybutylene 2,5-furandicarboxylate-co-succinate, polybutylene 2,5-furandicarboxylate-co-adipate, polybutylene 2,5-furandicarboxylate-co-azelate, polybutylene 2,5-furandicarboxylate-co-sebacate, polybutylene 2,5-furandicarboxylate-co-brassylate, polybutylene 2,5-furandicarboxylate-co-1,18-C18-dicarboxylate, polybutylene succinate, polybutylene adipate, polybutylene succinate-co-adipate, polybutylene succinate-co-sebacate, polybutylene sebacate or mixtures of 2 or more of the polyesters mentioned, and ii) from 0.05 to 5% by weight, based on components i and ii, of polyethylene 2,5-furandicarboxylate.