摘要:
A curable resin composition comprising:(a) a polyphenylene ether resin,(b) a maleimide component and/or a cyanate ester component, and(c) an epoxy compoundis disclosed. The cured resin composition can give a cured resin having resistance to heat, solvent and moisture, adhering property and electrical properties.
摘要:
A fiber-reinforced composition of a polyphenylene ether resin having improved rigidity and dimensional stability, said composition consisting essentially of (a) a polyphenylene ether resin or a mixture of it with a styrene resin, and (b) asbestos fibers.
摘要:
A curable resin composition comprising (a) a polyphenylene resin, (b) a maleimide compound and/or a cyanate ester compound and (c) at least one compound selected from the group consisting of compounds having one or more acryloyl, methacryloyl, acryloxy or methacryloxy groups is disclosed. The curable resin composition can give a cured resin having resistance to heat, solvent and moisture and adhering property.
摘要:
A curable polyphenylene ether resin composition comprising(a) a polyphenylene ether resin, and(b) at least one polyfunctional compound selected from the group consisting of polyfunctional maleimides having at least two maleimide groups or the prepolymer thereof, polyfunctional cyanate esters having at least two cyanate ester groups or the prepolymer thereof, and pre-copolymers of the polyfunctional maleimides and the polyfunctional cyanate esters.The cured resin composition has utility in rustproofing paints, electrical insulating varnishes, adhesives and molding material.
摘要:
A polyphenylene ether resin composition having improved heat stability, said composition comprising a polymer matrix composed of a polyphenylene ether resin and a vinyl aromatic resin, and dispersed in the polymer matrix, at least one compound selected from the group consisting of(1). 2-(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyanilino)-4,6-di-C.sub.5 -C.sub.15 -alkylthio-1,3,5-triazines,(2). .omega.,.omega.'-thiodi(C.sub.2 -C.sub.6 polymethylene)-bis[3-(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyphenyl)-polymethylene(C.sub.1 -C.sub.4)-carboxylates],(3). N,N'-C.sub.2 -C.sub.10 polymethylene-bis[(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyphenyl)-polymethylene(C.sub.1 -C.sub.4)carboxamides], and(4). tetrakis-{methylene-[(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyphenyl)-polymethylene(C.sub.1 -C.sub.4)carboxylate]}methanes.
摘要:
A resin composition comprising(a) a polyphenylene ether resin or a mixture of it with a polystyrene resin, and(b) a grafted block copolymer of an unsaturated polyolefin and butyl rubber obtained by graft copolymerization in the presence of a bifunctional phenolic compound as a grafting vehicle.
摘要:
A polyphenylene ether resin composition having improved heat stability and good color, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a diphosphonite of the formula ##STR1## wherein R.sub.1 groups are identical or different and each represents a linear or branched alkyl group having 1 to 10 carbon atoms.
摘要:
An improved method for dispersing an inorganic pigment uniformly in polyphenylene ether resins. A polyphenylene ether composition having an inorganic pigment uniformly dispersed therein is obtained by intimately mixing a polyphenylene ether resin and the inorganic pigment in a weight ratio of from 0.5:1 to 2:1 by a high-speed mixer to form a pre-blend, and then mixing the pre-blend intimately with a polyphenylene ether in a conventional mixer such as an extruder. The pre-blend can also be uniformly dispersed in a mixture of the polyphenylene ether with polystyrene, a styrene/butadiene copolymer, a styrene/butadiene/acrylonitrile terpolymer, or a rubber-modified high impact polystyrene.
摘要:
A polyphenylene ether resin composition comprising(1) a polyphenylene ether resin,(2) an oxanilide represented by the following formula ##STR1## wherein R.sup.1 and R.sup.6 are identical or different and each represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an alkoxy group having 1 to 15 carbon atoms, R.sup.2 and R.sup.7 are identical or different and each represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an alkoxy group having 1 to 10 carbon atoms, R.sup.3 and R.sup.8 are identical or different and each represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and R.sup.4 and R.sup.5 are identical or different and each represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a dialkylaminoalkyl group with the alkyl moiety having 1 to 6 carbon atoms,(3) an organic phosphite, and(4) a hindered phenolic antioxidant.
摘要:
A novel resin composition improved in moldability and impact resistance, comprising (A) a polyphenylene oxide having a molecular weight of 5,000 or higher, (B) an aromatic hydrocarbon-formaldehyde resin or a modified aromatic hydrocarbon-formaldehyde resin, and, if necessary, (C) a rubbery polymer, the weight ratio of the resin (A) to the resin (B) being from 10:90 to 99:1 and the amount of the rubbery polymer (C) being 3 to 40 parts by weight per 100 parts by weight of the sum of the resins (A) and (B). This resin composition has excellent mechanical and electrical properties of the polyphenylene oxide together with an improved moldability, impact resistance, and adhesiveness.