Abstract: A curable composition includes a functionalized phenylene ether oligomer, a reactive diluent, and a photoinitiator. The curable composition can be cured to provide a cured composition. Articles comprising the cured composition and methods for the manufacture of the cured composition are also described. The curable composition can be particularly useful for providing three-dimensional, additively-manufactured articles.

Abstract: A structure of phosphorous-containing functionalized poly(arylene ether), a preparation method thereof, and a composition prepared therefrom are provided. The curable (cross-linkable) composition includes an unsaturated monomer and a phosphorous-containing functionalized poly(arylene ether) having a polymerizable group and a molecular weight between 500 and 20,000. The composition provides excellent fluidity and fast curing rate. After curing, the composition exhibits excellent low dielectric coefficient and dielectric loss, high heat resistance and flame retardancy. It is suitable for prepregs, laminated sheets for printed circuits or the like.

Abstract: A polymer compound having an excellent crosslinking ability is provided. The polymer compound has at least one terminal constitutional unit represented by the formula (1) and a constitutional unit represented by the formula (2): In the constitutional unit represented by formula (1), mT represents an integer of 0 to 5, nT represents an integer of 1 to 4, cT represents an integer of 0 to 1, QT represents a crosslinkable group, KT represents an alkylene group or the like and ArT represents an aromatic hydrocarbon group or the like. In the constitutional unit represented by formula (2), mA represents an integer of 0 to 5, n represents an integer of 1 to 4, Ar1 represents an aromatic hydrocarbon group or the like, KA represents an alkylene group or the like and Q1 represents a crosslinkable group.

Abstract: The disclosure relates to a phosphorus-containing vinyl polyphenylene ether obtained by reacting a phosphorus-containing vinyl compound with a vinyl polyphenylene ether, a resin composition including the phosphorus-containing vinyl polyphenylene ether and a product thereof. Various products can be made from the resin composition, such as resin films, prepregs, resin-coated coppers, laminates or printed circuit boards, and they have one, multiple or all of the following properties: lower coefficient of thermal expansion, lower thermal expansion, higher thermal resistance, better flame retardancy, lower dielectric constant, lower dielectric loss and so forth.

Abstract: A polyphenylene ether oligomer is provided. The polyphenylene ether oligomer has the following formula (I): X is ?R is H or C1-6 alkyl group; Y independently is a moiety polymerized by at least two different phenol-based compounds; and Z independently is H, acryloyl group, allyl group, vinylbenzyl group, epoxypropyl group, methylacryloyl group, propargyl group, or cyanoallyl group.

Abstract: A coating composition comprising a hardenable film-former and at least 0.5 weight percent of an oxidizing agent sufficient to decolorize a stain on the film-former is disclosed, wherein the oxidizing agent comprises hydrogen peroxide, hypochlorite, and organo-chlorine bleaches and will at least partially decolorize a plurality of stains when applied to the hardened coating, allowed to stand for one hour at room temperature, and evaluated by visual observation of the stain under average overhead fluorescent illumination. The oxidizing agent is not consumed as a catalyst or initiator to polymerize or otherwise cause a reaction in the floor coating before it is applied and before it has hardened. A composition of the invention may include from about 0.8 to about 5 weight percent oxidizing agent and the film-former forms a hardened film resistant to rinsing with tap water.

Abstract: A polyphenylene ether oligomer is provided. The polyphenylene ether oligomer has the following formula (I): X is R is H or C1-6 alkyl group; Y independently is a moiety polymerized by at least two different phenol-based compounds; and Z independently is H, acryloyl group, allyl group, vinylbenzyl group, epoxypropyl group, methylacryloyl group, propargyl group, or cyanoallyl group.

Abstract: The present invention relates to thermoplastic molding compositions composed of the following components: (A) at least one polyarylene ether (A1) having an average of at most 0.1 phenolic end groups per polymer chain, and at least one polyarylene ether (A2) having an average of at least 1.5 phenolic end groups per polymer chain, (B) at least one fibrous or particulate filler, and (C) optionally further additives and/or processing aids. The present invention further relates to a process for producing the thermoplastic molding compositions of the invention, the use of these for producing moldings, fibers, foams, or films, and to the resultant moldings, fibers, foams, and films.

Abstract: A fiber comprises a composition including a poly(phenylene ether). The poly(phenylene ether) has less than or equal to 240 parts per million by weight of hydroxyl groups associated with ethylene bridge groups and less than or equal to 800 parts per million by weight of hydroxyl groups associated with rearranged backbone groups, both amounts based on the weight of the poly(phenylene ether). A method of spinning a fiber from the poly(phenylene ether) is disclosed. The fiber can be spun at a low denier.

Abstract: An aromatic vinyl-based thermoplastic resin composition includes a rubber-modified acrylic graft copolymer and a branched aromatic vinyl copolymer resin including a silicon compound.

Abstract: A thermoplastic composition is prepared by melt blending a poly(arylene ether) and an other resin, where the poly(arylene ether) has a particular molecular weight distribution. The thermoplastic composition exhibits significantly increased melt flow compared to compositions containing poly(arylene ether)s with similar intrinsic viscosities but different molecular weight distributions. The increased melt flow facilitates preparation of the thermoplastic composition and subsequent article fabrication procedures.

Abstract: A resin composition comprises (A) 100 parts by weight of cyanate ester resin; (B) 5 to 25 parts by weight of nitrogen and oxygen containing heterocyclic compound; (C) 5 to 75 parts by weight of polyphenylene oxide resin; and (D) 5 to 100 parts by weight of oligomer of phenylmethane maleimide. By using specific components at specific proportions, the resin composition of the invention offers the features of low dielectric constant and low dissipation factor and can be made into prepreg that may be used in printed circuit board.

Abstract: A thermoplastic composition comprising recovered poly(arylene ether), less than or equal to 0.1 weight percent based on the total weight of the thermoplastic composition of a second recovered thermoplastic that gives off greater than or equal to 10 percent by mass of volatiles at a processing temperature for the thermoplastic composition; 0.025 to 4.0 weight percent, based on the total weight of the thermoplastic composition, of a third recovered thermoplastic selected from the group consisting of polyolefin, acrylonitrile-butadiene-styrene, polycarbonate, polycarbonate/acrylonitrile-butadiene-styrene blend, polymethyl methacrylate, polyamide, polyester, polycarbonate/polyester blend and combinations of two or more of the foregoing third recovered thermoplastics, wherein combinations of two or more of the foregoing third recovered thermoplastics are present in an amount of less than or equal to 10 weight percent, based on the total weight of the thermoplastic composition; and an optional virgin thermoplastic.

Abstract: A process for preparing a redistributed poly(phenylene ether), comprising reacting a poly(phenylene ether) in a reactive diluent monomer with a polyhydric phenol in the presence of a redistribution catalyst to form a composition comprising a redistributed poly(phenylene ether) in the reactive monomer diluent. The redistributed poly(phenylene ether) exhibits an intrinsic viscosity in the range of about 0.06 deciliters per gram to about 0.25 deciliters per gram, measured in chloroform at 25° C. The redistributed poly(phenylene ether) can be functionalized and admixed with unsaturated resin such as an unsaturated polyester resin or vinyl ester resin to obtain a varnish composition that, when cured, can form an electrically insulative thermoset.

Abstract: Compositions comprise phase separated polyetherimide/polyphenylene ether sulfone blends. The dispersed phase has an average cross sectional size of 0.1 to 10 micrometers. The composition retains has good hydrolytic stability and is capable of withstanding steam autoclaving at temperatures of 130 to 138° C.

Abstract: A thermoplastic composition comprising recovered poly(arylene ether), less than or equal to 0.1 weight percent based on the total weight of the thermoplastic composition of a second recovered thermoplastic that gives off greater than or equal to 10 percent by mass of volatiles at a processing temperature for the thermoplastic composition; 0.025 to 4.0 weight percent, based on the total weight of the thermoplastic composition, of a third recovered thermoplastic selected from the group consisting of polyolefin, acrylonitrile-butadiene-styrene, polycarbonate, polycarbonate/acrylonitrile-butadiene-styrene blend, polymethyl methacrylate, polyamide, polyester, polycarbonate/polyester blend and combinations of two or more of the foregoing third recovered thermoplastics, wherein combinations of two or more of the foregoing third recovered thermoplastics are present in an amount of less than or equal to 10 weight percent, based on the total weight of the thermoplastic composition; and an optional virgin thermoplastic.

Abstract: A process, advantageous in producibility, for the production of a vinyl compound containing very small amounts of ionic impurities and hydrolysable halogens, which is capable of curing by means of heat and/or light and giving a cured product having excellent dielectric characteristics and heat resistance, which process can efficiently remove a generated salt and comprises reacting a non-protonic polar solvent solution of a specific bifunctional phenylene ether oligomer with a vinylbenzyl halide in the presence of an alkoxide of an alkali metal, wherein the thus-obtained reaction solution is acidified with a specific amount of an acidic substance, then a salt generated is removed, an alkali substance containing a specific amount of an alkali metal is added to the thus-obtained solution, then a salt generated is removed, and the thus-obtained solution is mixed with water or a water-alcohol mixed solution, to precipitate a solid.

Abstract: A process for preparing a redistributed poly(phenylene ether), comprising reacting a poly(phenylene ether) in a reactive diluent monomer with a polyhydric phenol in the presence of a redistribution catalyst to form a composition comprising a redistributed poly(phenylene ether) in the reactive monomer diluent. The redistributed poly(phenylene ether) exhibits an intrinsic viscosity in the range of about 0.06 deciliters per gram to about 0.25 deciliters per gram, measured in chloroform at 25° C. The redistributed poly(phenylene ether) can be functionalized and admixed with unsaturated resin such as an unsaturated polyester resin or vinyl ester resin to obtain a varnish composition that, when cured, can form an electrically insulative thermoset.

Abstract: A thermoset composition exhibiting reduced water absorption in the cured state includes an olefinically unsaturated monomer and a capped poly(arylene ether) prepared by the reaction of an uncapped poly(arylene ether) with an anhydride capping agent. The capped poly(arylene ether) is isolated and/or purified by methods that reduce the concentrations of polar impurities that contribute to water absorption by the cured composition.

Abstract: The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength. The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrene-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.

Abstract: In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer, or reactive with a nucleophilic group on a polymer or monomer at a slower rate than any leaving group. The invention also comprises polymers or monomers with nucleophilic groups capped with a triazine moiety. Still other embodiments of the invention comprise processes for capping nucleophilic groups in a polymer or monomer which comprises combining and reacting the polymer or monomer with a triazine-comprising capping agent.

Abstract: A polyphenylene ether resin composition comprising a polyphenylene ether, wherein the polyphenylene ether has a polymer chain comprising recurring units each represented by the following formula (1): and has the following characteristics (a), (b) and (c): (a) when the polyphenylene ether is analyzed by 1H-NMR, the polyphenylene ether exhibits a triplet signal (S1) at 3.55 ppm, wherein the triplet signal (S1) has a relative intensity of 0.05 to 0.25 in terms of the percentage of the integrated intensity of the triplet signal (S1), based on the integrated intensity of a signal (S2) observed at 6.47 ppm; (b) the polyphenylene ether exhibits an absorbance of from 0.01 to 0.40 at a wavelength of 480 nm; and (c) the polyphenylene ether has a weight average molecular weight of from 30,000 to 100,000.

Abstract: A curable composition includes an alkyl styrene and a low molecular weight, bifunctional poly(arylene ether). The composition can be prepared and processed at substantially lower temperatures than prior art poly(arylene ether) thermosets. After curing, the composition exhibits an improved balance of heat resistance, impact strength, and dielectric properties, making it particularly suitable for the fabrication of electronic components.

Abstract: The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength. The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrenic-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.

Abstract: In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer, or reactive with a nucleophilic group on a polymer or monomer at a slower rate than any leaving group. The invention also comprises polymers or monomers with nucleophilic groups capped with a triazine moiety. Still other embodiments of the invention comprise processes for capping nucleophilic groups in a polymer or monomer which comprises combining and reacting the polymer or monomer with a triazine-comprising capping agent.

Abstract: A curable composition includes a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a polymeric additive selected from polystyrene, poly(styrene-maleic anhydride), poly(styrene-methyl methacrylate), polybutene, poly(ethylene-butylene), poly(vinyl ether), poly(vinyl acetate), and combinations thereof. Curable compositions comprising polybutene having a number average molecular weight of greater than or equal to 300 atomic mass units form sol-gels having sol-gel transition temperatures of greater than about 60° C. These sol-gel compositions also exhibit lower tack at ambient temperature.

Abstract: A process for the production of a vinyl compound of the formula (1), which process comprises reacting a bifunctional phenylene ether oligomer of the formula (2) with a vinylbenzyl halide in an aprotic polar solvent in the presence of an alkali metal alkoxide and then adding the reaction solution to water or a water/alcohol mixed solution to precipitate a solid

Abstract: A polymer composition comprising chains of at least one aromatic polymer or a mixture thereof together with at least one chain linking component wherein the at least one aromatic polymer comprises polymer chains of number average molecular weight (Mn) in a first range and characterised by a polymer flow temperature, and having at least one reactive end group, and wherein the at least one chain linking component comprises at least two linking sites, characterised in that a plurality of the polymer chain end groups are adapted to react with the linking sites at chain linking temperature in excess of the polymer flow temperature to form linked polymer chains of number average molecular weight (Mn) in a second range which is in excess of the first range, substantially thermoplastic in nature; process for the preparation thereof; prepreg, composite or shaped product obtained therewith and the use thereof.

Abstract: A curable composition includes a functionalized poly(arylene ether), an olefinically unsaturated monomer, about 0.2 to about 5 parts by weight of a curing initiator per 100 parts by weight total of the functionalized poly(arylene ether) and the olefinically unsaturated monomer, and about 0.005 to about 1 part by weight of a curing inhibitor per 100 parts by weight total of the functionalized poly(arylene ether) and the olefinically unsaturated monomer. The weight ratio of the curing initiator to the curing inhibitor is about 1.2:1 to about 50:1. The composition provides improved and reproducible flow during the early stages of molding without compromising curing time. The composition is useful for preparing plastic-packaged electronic devices.

Abstract: The invention relates to a method of forming a polyphenylene ether resin containing residual aliphatic unsaturation. A polyphenylene ether is reacted with a capping agent in a solvent to form the polyphenylene ether resin containing residual aliphatic unsaturation, which is precipitated from solution by combining the solution with an antisolvent. The precipitated polyphenylene ether resin containing residual aliphatic unsaturation has lower levels of residual impurities than the same compound isolated by devolatilization.

Abstract: Novel polyindanebisphenols or PIBPs for the preparation of new and improved thermosetting polymers having the general formula of are provided. Also disclosed are thermoplastic or thermoset compositions prepared using the novel compounds of the invention, as well as methods of making and using the same. When copolymerized or reactive with other commercial resins such as, e.g., epoxy compounds, PIBP based polymers are characterized by high glass transition temperature (“Tg”), low dielectric constant, low moisture absorption, low coefficient of expansion, low cost, and can be processed on equipment typically used for the production of epoxy based laminates.

Abstract: A resin composite covered piping material is provided having high heat resistance and excellent flame retardation property, anti-corrosion property, chemical resistance, insulation property and sufficiently high adhesion property with steel material and moreover, is highly economical. The piping material having a covering layer of a resin composite wherein said resin composite comprises: (A) 10 to 80 weight percent of polyphenylene ether resin, (B) 10 to 80 weight percent of polystyrene polymer possessing syndiotactic structure, and (C) 10 to 80 weight percent of polystyrene resin other than component (B) wherein the total of (A), (B) and (C) is 100 weight percent. The resin composite described above may further contain an impact resistance improving agent (D) in a quantity of 1 to 50 parts by weight, with respect to the total of 100 parts by weight of components (A), (B) and (C).

Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.

Abstract: The flameproof thermoplastic resin composition of the present invention comprises (A) 40 to 95 parts by weight of a rubber modified styrene-containing resin composed of (a1) 20 to 100% by weight of a styrene-containing graft copolymer resin including 18 to 50% by weight of acrylonitrile in the copolymer excluding rubber; and (a2) 0 to 80% by weight of a styrene-containing copolymer resin containing 18 to 50% by weight of acrylonitrile; (B) 5 to 60 parts by weight of polyphenylene ether resin; (C) 2 to 40 parts by weight of a styrene-containing copolymer or styrene-containing graft copolymer resin containing 5 to 18% by weight of acrylonitrile per 100 parts by weight of the sum of (A) and (B); and (D) 5 to 30 parts by weight of an aromatic phosphoric acid ester compound per 100 parts by weight of the sum of (A) and (B).

Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.

Abstract: Phenolic resin polyols are disclosed. The polyols, which contain aliphatic or mixed phenolic and aliphatic hydroxyl groups, are the reaction products of aralkylated phenols or phenol aralkylation polymers with an oxyalkylating agent selected from alkylene oxides and alkylene carbonates. The phenolic resin polyols are versatile intermediates for many polymer systems, including urethanes, epoxies, alkyds, acrylates, and polyesters.

Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.

Abstract: The invention relates to a novel process for preparing functionalized PPE, the process comprising oxidative coupling in a reaction solution at least one monovalent phenol species using an oxygen containing gas and a complex metal catalyst to produce a PPE; and functionalizing the PPE prior to and/or during at least one isolation step for devolatilization of the reaction solvent. The invention also relates to the polyphenylene ether resin made by the process as well as blends and articles containing the polyphenylene ether resin made by the process.

Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.

Abstract: The invention relates to a novel process for the manufacture of polyphenylene ether resin containing residual aliphatic unsaturation. The invention also relates to the polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, and thermoplastics such as polyolefins.

Abstract: Improved thermal stability and good adhesion to polyurethane foam are provided by polyphenylene ether thermoplastic blends containing a polystyrene and an aromatic amine. Preferred compositions additionally containing tackifier resins are described. These compositions are particularly useful for molding automobile interior parts.

Abstract: Disclosed is a composition comprising a blend of (a) a thermally reactive polymer selected from the group consisting of resoles, novolacs, thermally reactive polyarylene ethers, and mixtures thereof; and (b) a photoreactive epoxy resin that is photoreactive in the absence of a photocationic initiator.

Abstract: The present invention relates to a cinnamatic photo-polymerization type homopolymeric or copolymeric alignment material, in which polymaleimide is singly used as the main chain, or is combined with styrene, hydroxystyrene or acrylonitrile to form a copolymer so as to be used as the main chain, or polyimide is used as the main chain.

Abstract: The invention relates to a process for the manufacture of a thermoplastic composition comprising a polyphenylene ether resin and optionally, a styrenic resin wherein the processes comprises a polyphenylene ether resin in a particulate form having less than about 5% by weight, preferably less than about 2% by weight, more preferably less than about 1% by weight, and most preferably essentially no particles less than about 75 microns in size. The particulate form allows for ease of handling of polyphenylene ether resin with a substantially reduced risk of dust ignition while obtaining substantially the same physical properties as obtained with polyphenylene ether resin powder.The invention also relates to articles formed out of the compositions made by the process of the invention.

Abstract: A copolymer comprisinga) a segment A with a number-average molar mass Mn of from 1000 to 20,000 g/mol, which hasi) units 1, which have been derived from structures of the formula (I) ##STR1## where the radicals R.sup.1 and R.sup.2, independently of one another, are a hydrogen, fluorine, chlorine or bromine atom or a branched or unbranched alkyl or alkoxy radical having from 1 to 6 carbon atoms; and/orii) units 2, which are derived from structures of the formula (II) ##STR2## and b) a segment B, derived from a polyarylene sulfide structure of the formula (IV) ##STR3## where Ar is an aromatic radical, or more than one condensed aromatic radicals, and n is a number from 2 to 100, in particular from 5 to 20, together with a process for its preparation, and also its use for compatibilizing blends made from polyarylene sulfides and aromatic polyesters.

Abstract: Thermoplastic molding compositions modified with carboxyl groups and comprising:A) at least one polyarylene ether andB) if desired, at least one filler or reinforcing material, wherein the molding composition also includesC) at least one modified polyarylene ether which contains carboxyl groups and has recurring structural elements of the formulae I and II ##STR1## where Ar, Ar.sup.1, Ar.sup.2, Ar.sup.3, T, Z, Y, t, q, x and n are as variously defined, andR.sup.1 is H, C.sub.1 -C.sub.6 -alkyl or --(CH.sub.2).sub.n --COOH; and where the molar ratio of units of the formula I to units of the formula II is in the range from 0.05:99.95 to 99.95:0.05;the use of these molding compositions for producing films, fibers and shaped articles, and the objects produced using the molding compositions, are described.

Abstract: The present invention relates to binder compositions containingA) 40 to 95 parts by weight of OH-functional graft copolymer resins prepared by copolymerizinga) 0.1 to 10 parts by weight of polybutadienes containing at least 20% of 1,2-vinyl groups,b) 5 to 30 parts by weight of aliphatic .alpha.-olefins,c) 0.1 to 35 parts by weight of glycidyl esters of .alpha.-alkylalkane-monocarboxylic acids,d) 10 to 70 parts by weight of unsaturated, aromatic monomers,e) 5 to 60 parts by weight of hydroxyalkyl esters of acrylic and/or methacrylic acid having primary hydroxyl groups,f) 0 to 50 parts by weight of (cyclo)aliphatic esters of acrylic and/or methacrylic acid,g) 0.1 to 20 parts by weight of .alpha.,.beta.

Abstract: The present invention relates to a method for forming the LCP composite having LCP fibers dispersed in the matrix resin even if the LCP content may be smaller than the lower limit of the fiber formable range.The method is characterized in that a resin composite reinforced by the LCP fiber in a mixture ratio beyond the fiber formable range or the preferred fiber formable range by means of an extrusion or injection molding of a resin mixture containing a liquid crystal resin composite extruded in the fiber formable range or the preferred fiber formable range.

Abstract: The present invention relates to a resinous copolymer comprising monomer units of each of the groups of phenol compounds (I) and olefinically unsaturated non-acid terpene compounds (II), characterized in that the copolymer contains monomer units from the group of polyunsaturated olefin compounds (III), the monomer units of compound (III) being 1 to 70% by weight of the total of the monomer units of compounds (II) and (III), the monomer units of compounds (II) and (III) being at least 50% by weight of the total of monomer units of compounds (I), (II) and (III). The melting point of the copolymer is at least 130.degree. C. The copolymers are particularly useful in printing ink formulations.

Abstract: A water-soluble polymer prepared by melting and reacting a mixture of an oxycarboxylic acid having a melting point of 170.degree. C. or less and maleamic acid, or a mixture of a plurality of oxycarboxylic acids including at least one oxycarboxylic acid having a melting point of 170.degree. C. or less and maleamic acid, at a temperature of 170.degree. C. or less at the start of the reaction to obtain a polymer; and then hydrolyzing the polymer.