Abstract: The present invention is related to a polymer resin composition capable of providing an insulating material having a low dielectric constant and excellent mechanical properties, a polyimide resin film obtained by using the polymer resin composition, a preparation method of a polyimide resin film, and a circuit board and a metal laminate including the polyimide resin film.

Abstract: The invention relates to a copolyamide comprising at least two different units corresponding to the following general formulation: A/X.T A is chosen from a unit obtained from an amino acid, a unit obtained from a lactam and a unit corresponding to the formula (Ca diamine).(Cb diacid), with a representing the number of carbon atoms of the diamine and b representing the number of carbon atoms of the diacid, a and b each being between 4 and 36, advantageously between 9 and 18, X.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: Disclosed herein are ester-terminated polyimide gellant compounds end-caped with isosorbide and UV curable ink compositions containing them.

Abstract: Polypropylene compositions with enhanced haptics and a process for making the same are disclosed comprising a blend of reactor TPO, and filler. The compositions may further comprise homopolymer polypropylene, random copolymer polypropylene, polyamide 6, ethylene-C4-8 ?-olefin plastomer, plastomer propylene-ethylene copolymer, SEBS triblock thermoplastic elastomer, maleic anhydride grafted PP, anti-scratch additives, antioxidants, UV stabilizers, and colorants. A process is also disclosed for preparing the polypropylene compositions with enhanced haptics.

Abstract: The invention relates to a copolyamide comprising at least two different units corresponding to the following general formulation: A/X.T A is chosen from a unit obtained from an amino acid, a unit obtained from a lactam and a unit corresponding to the formula (Ca diamine).(Cb diacid), with a representing the number of carbon atoms of the diamine and b representing the number of carbon atoms of the diacid, a and b each being between 4 and 36, advantageously between 9 and 18, X.

Abstract: Disclosed herein is a polyamide-filled curable hydrocarbon elastomer compositions having enhanced heat aging performance where the presence of conventional filler, such as carbon black or silica, does not detract from desired heat stability properties. Also disclosed are polyamide-filled curable hydrocarbon elastomer compositions where the use of compatibilzer is optional, for polyamides having an inherent viscosity of greater than 0.88 dL/g.

Abstract: Disclosed herein is a curable composition comprising ethylene copolymer elastomer, a relatively small amount of a polyamide, and optionally a compatibilizer wherein curable composition demonstrates improved heat aging properties without the loss of tensile strength. Also disclosed is the process for making such curable ethylene copolymer elastomer.

Abstract: The present invention includes a polymer composition comprising a substrate comprising at least a top layer and a bottom layer in contact at one or more regions and a thermoplastic compound that impregnates the corrugated fibrous sheet material. The thermoplastic compound may have between 1-35 weight percent PVC; 1-20 weight percent PAN; 1-60 weight percent PMA; 1-20 weight percent PAI; and 2-25 weight percent PBA. For example, the composition may have about 2 weight percent PVC; 18 weight percent PAN; 45 weight percent PMA; 15 weight percent PAI; and 20 weight percent PBA.

Abstract: A pneumatic tire comprising a body, a tread, a pair of bead assemblies disposed in the lower section of the body, where said bead assemblies include a bead core and a bead filler, and a pair of sidewalls, where the bead assemblies and pair of sidewalls include vulcanizated rubber, and where at least one of said bead assemblies, or at least one of said sidewalls, or both said bead assemblies and sidewalls include short fibers.

Abstract: This invention relates to polyamide moulding compositions with high resistance to heat/light ageing.

Abstract: The invention relates to a tire with tread of a rubber composition containing a functionalized elastomer and pre-hydrophobated precipitated silica reinforcement.

Abstract: An elastomer composition, having an excellent flexibility and low temperature durability, a method for producing the same and a pneumatic tire using the same are provided. An elastomer composition (C) comprising a matrix of a thermoplastic resin (A), in which a dispersed phase of an elastomer component (B) is finely dispersed to form an island-in-sea structure, wherein volume ratios of the thermoplastic resin (A) and the elastomer component (B) satisfy the following formula (I): ?d/?m>?d/?m??(I) wherein ?d and ?d, respectively, indicate a volume ratio and a melt viscosity of the elastomer component (B), and ?m and ?m, respectively, indicate a volume ratio and a melt viscosity of the thermoplastic resin (A)), a method for producing the same and a pneumatic tire using the same.

Abstract: A halogen-free and phosphorus-free resin formulation, prepared by the following method, is provided. The method includes mixing a carboxy anhydride derivative, diisocyanate, a styrene maleic anhydride (SMA) copolymer derivative and a solvent to form a mixture, and heating the mixture to form a resin formulation. The disclosure also provides a halogen-free and phosphorus-free composite material with a low dielectric constant and flame resistance prepared from the resin formulation.

Abstract: A blend of nanocomposites is disclosed, with a polyolefin nanocomposite preferably serving as a continuous phase and a polyamide nanocomposite preferably serving as a discontinuous phase. The exfoliated nanoclay in both nanocomposites contributes stiffness, toughness and flame retardancy to the blend. Other optional ingredients include conventional essentially halogen-free flame retardants, intumescent essentially halogen-free flame retardants, and other typical polymer compounding additives. The compound can be processed as a thermoplastic into any practical article needing stiff, tough, and flame retardancy properties.

Abstract: Polyamide-filled EVA copolymer compositions comprising a continuous EVA copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-filled EVA copolymer compositions exhibit enhanced resistance to heat aging compared to EVA elastomer compositions reinforced with carbon black or other inorganic fillers.

Abstract: A high wear-resistant nylon composite material for rollers of an airport freight vehicle and a preparation method thereof are disclosed. The composite material includes the following materials as the main components, 60-80 wt % of nylon 6 or nylon 66 or a mixture of nylon 6 and nylon 66, 5-13 wt % of glass beads, 6-14 wt % of glass fiber powder, 5-7 wt % of lubricating anti-wear agent. The composite material further includes the following materials as the auxiliary materials, 3-5 wt % of graft type toughening modifying agent, 0.3-1 wt % of antioxidant, 0.2-0.3 wt % of lubricating dispersant and 0.2-0.5 wt % of nucleating agent. The composite has characteristics such as high wear resistance, high heat resistance, relatively high toughness and skid resistance.

Abstract: Processes for producing thermoplastic molding compositions, which comprise a) from 3 to 79% by weight of one or more (methyl)styrene-acrylonitrile copolymers, which have no maleic-anhydride-derived units, b) from 15 to 91% by weight of one or more polyamides, c) from 5 to 50% by weight of one or more rubbers, d) from 1 to 25% by weight of one or more compatibilizers, e) from 0 to 2% by weight of one or more low-molecular-weight compounds which comprise a dicarboxylic anhydride group, f) from 0 to 50% by weight of one or more fibrous or particulate fillers, and g) from 0 to 40% by weight of further additives, by producing a melt comprising components A, B, and C in a first step and subsequently incorporating D, Also, thermoplastic molding compositions obtainable by these processes, the use of these thermoplastic molding compositions, and moldings, fibers, and foils comprising these thermoplastic molding compositions.

Abstract: Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.

Abstract: Disclosed are a molecular miscible blend solution of aromatic polyamide which is composed of a homogeneous mixture of a highly crystalline para-aromatic polyamide polymer and a non-crystalline polymer and is optically anisotropic, a method for preparing the same, an aromatic polyamide blend fiber prepared from the same and a method for dyeing the fiber at room pressure. Disclosed is a molecular miscible blend solution of aromatic polyamide and a non-crystalline polymer, in which an aromatic polyamide polymer having repeat units represented by the following Formula (I) and polyvinylpyrrolidone at an amount of 5 to 100% of the weight of the aromatic polyamide are dissolved in a polar organic solvent containing an inorganic salt.

Abstract: Disclosed in a composition comprising at least one ionomer (A) and at least one blend comprising at least one polyamide and at least one ionomer (B) wherein the polyamide is an aliphatic polyamide and the ionomer (B) is a copolymer of ethylene, an ?, ?-unsaturated C3-C8 carboxylic acid, at least one ethylenically unsaturated dicarboxylic acid or derivative thereof, and optionally an alkyl (meth)acrylate.

Abstract: The invention relates to polyamide molding material for the production of transparent or colorable moldings with high flexibility, high notched impact strength (Charpy), low water absorption and excellent chemical resistance, comprising at least one partly crystalline, transparent copolyamide (A) with a glass transition temperature (Tg) of at most 80° C. and a melting temperature of at least 150° C., and a heat of fusion of at least 20 J/g, where the glass transition temperature (Tg), the melting temperature (Tm) and the heat of fusion (HF) are determined according to ISO 11357-1/2, under conditions where the differential scanning calorimetry (DSC) is performed with a heating rate of 20 K/min, wherein the copolyamide (A) includes no aromatic dicarboxylic acids.

Abstract: This invention relates to substance mixtures for thermoplastic molding compositions, comprising A) polyamide and/or copolyamide, B) copolymers of at least one olefin and of at least one acrylate of an aliphatic alcohol, C) additives with chain-extending effect and D) impact modifiers and optionally also E) other additives and/or F) fillers and reinforcing materials. The invention further relates to processes for producing molding compositions of the invention and molded products or semifinished products which are produced from the substance mixtures of the invention, preferably by means of extrusion or blow molding of the molding compositions to be produced from the substance mixtures.

Abstract: Disclosed is a thermoplastic resin composition including a) a polyamide including repeat units of the formula and repeat units of the formula (b) a polymer toughener blend including b1) a polymeric toughener and b2) at least one nonfunctional polymeric toughener; wherein the polymer toughener blend has an averaged calculated acid number of about 5 to about 15 mg KOH/g before blending into the thermoplastic resin composition.

Abstract: The present invention includes a polymer composition comprising a substrate comprising at least a top layer and a bottom layer in contact at one or more regions and a thermoplastic compound that impregnates the corrugated fibrous sheet material. The thermoplastic compound may have between 1-35 weight percent PVC; 1-20 weight percent PAN; 1-60 weight percent PMA; 1-20 weight percent PAI; and 2-25 weight percent PBA. For example, the composition may have about 2 weight percent PVC; 18 weight percent PAN; 45 weight percent PMA; 15 weight percent PAI; and 20 weight percent PBA.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.8% by weight of a thermoplastic polyamide, B) from 0.1 to 60% by weight of red phosphorus, C) from 0.05 to 5% by weight of a catalyst comprising copper and zinc and support material, D) from 0 to 40% by weight of an impact modifier, E) from 0 to 60% by weight of further additives, where the total of the percentages by weight of A) to E) is 100%.

Abstract: A glass composition including SiO2 in an amount from 60.0 to 73.01% by weight, Al2O3 in an amount from about 13.0 to about 26.0% by weight, MgO in an amount from about 5.0 to about 12.75% by weight, CaO in an amount from about 3.25 to about 4.0% by weight, Li2O in an amount from about 3.25 to about 4.0% by weight, and Na2O in an amount from 0.0 to about 0.75% by weight is provided. Glass fibers formed from the inventive composition may be used in applications that require high strength, high stiffness, and low weight. Such applications include, but are not limited to, woven fabrics for use in forming wind blades, armor plating, and aerospace structures.

Abstract: This invention relates to thermoplastic moulding compositions comprising A) polyamide and/or copolyamide, B) at least one copolymer of at least one olefin and of at least one acrylate of an aliphatic alcohol, C) at least one filler and/or reinforcing material, D) at least one oligomeric and/or polymeric carbodiimide, and optionally also at least one other additive E) and optionally at least one impact modifier F). The invention further relates to mouldings or semifinished products which are produced from the moulding compositions according to the invention, preferably by means of injection moulding. However, the present invention also relates to the use of a substance combination made of at least one component B) and of at least one component D) for improving the hydrolysis resistance of polyamide-based products.

Abstract: The invention relates to an adhesive composition comprising at least one natural latex and at least one polymeric composition having a glass transition temperature ranging from ?50° C. to 0° C. The invention also relates to a membrane obtained after drying the adhesive composition according to the invention, to a combination of a flexible surface coating with an adhesive composition according to the invention, to a method for applying a flexible surface coating onto a substrate as well as a substrate coated with a peelable adhesive membrane according to the invention.

Abstract: An adhesive compound for a hot-sealing insert is provided, as are an insert that contains this adhesive compound, and a method for fixing the insert. The adhesive compound has a thermoplastic hot-melt adhesive (A) that is not adhesive at room temperature and a pressure sensitive adhesive (B) that is adhesive at room temperature.

Abstract: Disclosed is a composition comprising polyamide and ionomer useful for powder coating applications and a method for transforming the composition into particulate or powder form for application to metal objects. The invention also relates to coated metal objects comprising the composition as a coating.

Abstract: A composition is prepared by melt blending specific amounts of a polyamide, a flame retardant that includes brominated polystyrene, a polymeric flame retardant synergist, and a compatibilizing agent. The polymeric flame retardant synergist can be a poly(arylene ether), a poly(arylene ether)-polysiloxane block copolymer, or a mixture thereof. The composition is useful for molding automotive and electrical parts.

Abstract: Provided herein are graft copolymers of polyfarnesenes with condensation polymers; and methods of making and using the graft copolymers disclosed herein. The graft copolymers are obtained from the reaction of a polycondensation polymer with a modified polyfarnesene obtained from reaction of a polyfarnesene with a modifier in the presence of a grafting initiator. In certain embodiments, the condensation polymers include polyesters, polycarbonates, polyamides, polyethers, phenol-formaldehyde resins, urea-formaldehyde resins, melamine-formaldehyde resins and combinations thereof. In some embodiments, the polyfarnesenes include farnesene homopolymers derived from a farnesene, and farnesene interpolymers derived from a farnesene and at least a vinyl monomer. In certain embodiments, the farnesene is prepared from a sugar by using a microorganism.

Abstract: A laser-engraveable flexographic printing precursor or patternable element comprises a laser-engraveable layer having two orthogonal dimensions. This laser-engraveable layer comprises one or more elastomeric resins and non-metallic fibers that are oriented in the laser-engraveable layer predominantly in one of its two orthogonal dimensions. The non-metallic fibers have an average length of at least 0.1 mm and an average diameter of at least 1 ?m. The oriented non-metallic fibers reduce curl and shrinkage in the precursor and improve print quality and press life.

Abstract: A polyamide resin composition comprising a polyamide resin (A), glass (C), and optionally a styrene polymer (B1) and a modified PPE (B2), wherein the total amount of A, B1, and B2 and the amount of C are, respectively, 40 to 95% by weight and 60 to 5% by weight, based on the weight of the composition, wherein the amount of A and the total amount of B1 and B2 are, respectively, 50 to 100% by weight and 50 to 0% by weight, based on 100% by weight of the whole of A, B1, and B2, wherein when C contains glass containing no boron oxide (C1), the amount of C1 is 60 to 5% by weight, based on the weight of the composition, wherein when C does not contain C1, A is a polyoxamide resin, or the amount of A and the total amount of B1 and B2 are defined,

Abstract: Disclosed is a lightweight reinforced plastic composite composition for a front-end module carrier, wherein glass fiber and carbon fiber are added as reinforcing agent to a resin mixture of an engineering plastic resin, such as polyamide, and a general-use plastic resin, such as polyalkylene. The disclosed composite composition is an ecofriendly composite material effective in reducing carbon dioxide emission and improving fuel efficiency in automobiles through reinforcement and weight reduction of the front-end module carrier.

Abstract: Disclosed is a thermoplastic composition including a) a recycled thermoplastic including polyamide resin, polyolefin and mineral filler, wherein the recycled thermoplastic includes at least 60 weight percent content of recycled polyamide selected from the group consisting of polyamide 66, polyamide 6, blends of polyamide 66 and polyamide 6, and copolymers having repeat units of polyamide 66 and polyamide 6; and at least 1 weight percent content of polyolefin; b) polymer toughener, wherein the polymer toughener includes at least 50 to 85 weight percent non-functionalized rubber and 15 to 50 weight percent of a functionalized rubber; and c) 10 to 50 reinforcing agent having a minimum aspect ratio of 3; and molded articles manufactured therefrom.

Abstract: Disclosed is a thermoplastic composition including a) a recycled thermoplastic comprising polyamide resin, polyolefin and mineral filler, wherein said recycled thermoplastic comprises at least 60 weight percent content of recycled polyamide and at least 4 weight per cent content of polyolefin; b) 2 to 8 weight percent of a functionalized rubber; c) 2 to less than 10 weight percent reinforcing agent; and d) 0 to 5 weight percent of additives selected from the group.

Abstract: Disclosed is a injection molded composite wheel, including a thermoplastic polyamide composition consisting essentially of (A) 20 to 70 weight percent of at least one polyamide resin including at least one repeat unit selected from the group consisting of the formulas —C(O)(CH2)10C(O)NH(CH2)nNH—??(I), —C(O)(CH2)12C(O)NH(CH2)nNH—??(II), —C(O)(CH2)14C(O)NH(CH2)nNH—??(III), and —C(O)(CH2)16C(O)NH(CH2)nNH—??(IV); wherein n is an integer selected from 4, 6, and 10, and with the proviso that when the polyamide resin has repeat units of formula (I), at least one other repeat unit of formula (II)-(IV) is also present in at least 30 mol % content; (B) 20 to 65 weight percent of one or more fiber reinforcing agents, and (C) 0 to 20 weight percent of one or more polymer impact modifiers.

Abstract: A resin composition used to being injection molded to metal to make composite of resin and metal, comprises 40% to 90% by weight of main resin, 5% to 30% by weight of crystallization modifier; and 0% to 40% by weight of filler. The main resin comprises one or more ingredients selected from a group consisting of one or more ingredients selected from polyamide polymers. The resin composition has a low crystallization temperature and an appropriate crystallization rate.

Abstract: Processes for producing thermoplastic molding compositions, which comprise a) from 3 to 79% by weight of one or more (methyl)styrene-acrylonitrile copolymers, which have no maleic-anhydride-derived units, b) from 15 to 91% by weight of one or more polyamides, c) from 5 to 50% by weight of one or more rubbers, d) from 1 to 25% by weight of one or more compatibilizers, e) from 0 to 2% by weight of one or more low-molecular-weight compounds which comprise a dicarboxylic anhydride group, f) from 0 to 50% by weight of one or more fibrous or particulate fillers, and g) from 0 to 40% by weight of further additives, by producing a melt comprising components A, B, and C in a first step and subsequently incorporating D, Also, thermoplastic molding compositions obtainable by these processes, the use of these thermoplastic molding compositions, and moldings, fibers, and foils comprising these thermoplastic molding compositions.

Abstract: A polyamide resin composition for sliding part and a sliding part, each being prevented from shrinking both in the MD direction and in the TD direction (having excellent dimensional stability as well as excellent dimensional stability when water is absorbed into the resin) and having excellent impact resistance, a method for producing the sliding part, and a method for producing an automobile using the sliding part. The polyamide resin composition for sliding part includes a polyamide resin (component A) and a styrene polymer (component B), wherein the component B has a deflection temperature under load of 140 to 280° C., and the weight ratio of the component A to the component B (A/B) is 95/5 to 77/23.

Abstract: The present invention provides a polyamide-polyphenylene ether resin composition comprising a polyamide having an alicyclic structure and composed of dicarboxylic acid units comprising from 20 to 100 mol % of cyclohexanedicarboxylic acid units and diamine units comprising aliphatic diamine units with from 6 to 12 carbon atoms, a polyphenylene ether, and a compatibilizer for a polyamide and a polyphenylene ether.

Abstract: The invention relates to a liquid dispersant based on polyamine-graft-polyacrylate blend, its preparation and its use in solvent borne systems, especially to a polyamine-g-polyacrylate grafted copolymer blend of the general formula (1) or a mixture of formula (1) and YT-(A1,A2)-Y1 wherein T is a polyamine or polyimine, A1 is a bridging bond which is selected from amide or amide, A2 is a —N—C— bridging bond, Y is an acrylate residue of the general formula (2), wherein, R1 and R2 are, independently, hydrogen or C1-20alkyl, aryl, heteroaryl, substituted aryl. n is a number of 1-1000, wherein the polyamine-g-polyacrylate grafted copolymer blend has an average molecular weight of 50 000 g/mol to 150 000 g/mol and a polydispersity Mw/Mn is greater than 3.

Abstract: Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.

Abstract: Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.