摘要:
A thermoplastic composition comprising a poly(arylene ether), a polyamide, a compatibilizing agent, and a polyester ionomer exhibits reduced moisture absorption, improved paint adhesion, and improved stability. Use of the polyester ionomer allows use of lower amounts of conductive fillers. The compositions of the present invention comprise an amount of a stabilizer package effective to enhance the morphological stability of the thermoplastic composition wherein the stabilizer package comprises at least one phenolic species in combination with at one thioester species, at least one one organo-phosphite species, or at least one thioester species in combination with at least one organo-phosphite species.
摘要:
The present invention relates to a flame retardant resin composition comprising: 100 parts by weight of a thermoplastic polyamide resin (A), 1 to 100 parts by weight of a phosphazene compound (C), and a polyphenylene ether-based resin, a polystyrene-based resin or mixture thereof (B) being present in an amount of 10 to 500% by weight based on the weight of said phosphazene compound (C).
摘要:
A thermoplastic composition includes specified amounts of poly(arylene ether), a polyolefin, a rubber-modified poly(alkenyl aromatic) resin, a hydrogenated block copolymer, an unhydrogenated block copolymer, and an ethylene/alpha-olefin elastomeric copolymer. The composition provides very high impact strength while maintaining good stiffness. The composition also exhibits low property variability.
摘要:
The present invention relates to a thermoplastic resin composition and a method for making the same. The method for manufacturing a thermoplastic resin composition comprises introducing carbon fibrils and a polyamide into a first mixture comprising a polyphenylene ether, a polyamide, and a compatibilizing agent to provide a second mixture comprising, based upon the total weight of the second mixture: about 10 to about 50 wt. % of the polyphenylene ether, about 35 to about 65 wt. % of the polyamide, about 0.4 to about 3 wt. % of the carbon fibrils, and about 0.4 to about 3 wt. % of the compatibilizing agent; and blending the second mixture at a temperature sufficient to melt the polyphenylene ether.
摘要:
A poly(arylene ether)-polyolefin composition is prepared by melt-blending a poly (arylene ether), a poly(alkenyl aromatic) resin, a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, and an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene to form a first blend, and melt-blending the first blend and a polyolefin to form a second blend. Reinforcing fillers may, optionally, be added during formation of the second blend or in an additional step. Multiple mixing elements, low throughput, and high extruder rotations per minute may be used to achieve high energy mixing of the first and second blends. Compositions prepared by the method exhibit an improved balance of impact strength, stiffness, and heat resistance, as well as reduced variability of physical properties.
摘要:
There is disclosed a thermoplastic resin composition comprising; (i) 30 to 94% by weight of a polypropylene (A), (ii) 5 to 69% by weight of a polyphenylene ether (B), and (iii) 1 to 50% by weight of a copolymer (C), provided that a total weight of the components (A), (B) and (C) is 100% by weight, wherein the copolymer (C) has a molar ratio of a structural unit derived from the &agr;-olefin represented by the following formula (I) to a structural unit derived from ethylene of not less than (0.8/(3n+2)/1, CH2=CH—(CH2)nCH2CH3 (I) wherein n is an integer of 0 to 10.
摘要:
A low molecular weight engineering thermoplastic polyurethane (ETPU) can be homogeneously melt blended with a polyarylene ether (PAE) to give a low viscosity melt processable blend, and subsequently cooled to form a heterogeneous dispersion of the ETPU in the PAE that has two Tgs, one that is close to the Tg of the pure ETPU, and one that is close to the Tg of the pure PAE. As such, the composite blend retains the properties of the polyarylene ether.
摘要:
The invention relates to process for the manufacture of a semi-transparent thermoplastic composition of a polyphenylene ether resin and a styrenic block copolymer that is a linear di-block block copolymer, a tri-block block copolymer, a radial block copolymer, and/or a tapered block copolymer. The compositions made by the process of the invention may also contain crystal polystyrene resin and exhibit enhanced physical properties, especially ductility. The invention also relates to articles formed out of the compositions made by the process of the invention.
摘要:
A thermoplastic composition comprising a poly(arylene ether), a polyamide, a compatibilizing agent, and a polyester ionomer exhibits reduced moisture absorption and improved paint adhesion. Use of the polyester ionomer allows use of lower amounts of conductive fillers.
摘要:
A composition comprises a bitumen and a poly(arylene ether) having an intrinsic viscosity less than 0.40 deciliters per gram. The composition exhibits high softening and flow temperatures, and high hardness.