摘要:
The invention relates to flame-resistant poly-carbonate/ABS molding compounds which are considerably improved in their mechanical properties and thermal stability by an addition of polyalkylene terephthalate and an oligomeric phosphate.
摘要:
The present invention relates to moulding compositions which are treated with phosphazenes and are based on polycarbonate and graft polymers chosen from the group consisting of silicone rubbers, EP(D)M rubbers and acrylate rubbers as the graft base, and which have an excellent flameproofing and very good mechanical properties, such as resistance to stress cracking or notched impact strength.
摘要:
The invention relates to high-impact polyether sulfone molding compositions containing aromatic polyether sulfones, diene graft polymers and, optionally, other thermoplastic resins, at most half the aromatic polyether sulfone being replaceable by other thermoplastic resins.
摘要:
A thermoplastic molding composition comprising (i) an aromatic polycarbonate having high thermal dimensional stability and based on a substituted dihydroxydiphenylcycloalkane, (ii) other aromatic polycarbonate resin and (iii) graft, particle-type diene rubbers is disclosed. The composition is characterized by its good Izod impact strength. A process for preparing the molding composition and their use for manufacturing molded bodies are also disclosed.
摘要:
Thermoplastic molding composition comprisingA. 5 to 99% by weight (based on A+B) of a polycarbonate based on substituted dihydroxydiphenyl cycloalkanesB. 1 to 95% by weight (based on A+B) of a graft polymer prepared by a special process of5 to 90 parts by weight of a mixture ofB.1.1. 50 to 95 parts by weight styrene, .alpha.-methyl styrene, C.sub.1-4 alkyl- or halogen-nucleus-substituted styrenes, C.sub.1-8 alkyl methacrylates, C.sub.1-8 alkyl acrylates or mixtures thereof andB.1.2. 5 to 50 parts by weight acrylonitrile, methacrylonitrile, C.sub.1-8 alkyl methacrylates, C.sub.1-8 alkyl acrylates, maleic anhydride, C.sub.1-4 alkyl-N-maleic imides, phenyl-N-maleic imides or mixtures thereof onB.2. 10 to 95 parts by weight of a diene rubber having an average particle diameter d50 of from 0.09 to 1 .mu.m and a gel content of more than 50% by weight and optionally at least one other thermoplastic resin which replaces up to 75% by weight of the polycarbonate A.
摘要:
The thermoplastic moulding compounds according to the invention obtained from aromatic polyester carbonates and special graft polymers have a very high weld-line strength as well as a high notched impact strength at room temperature and especially at low temperatures and may be used for the production of moulded articles.
摘要:
The present invention relates to flame-protected impact-modified polycarbonate compositions, wherein the compositions are free of rubber-free polyalkyl (alkyl)acrylate. The present invention further relates to the use of the polycarbonate compositions in the production of molded bodies, and to the molded bodies themselves.
摘要:
A thermoplastic molding composition having improved properties is disclosed. The composition comprises polycarbonate resin, a first graft polymer, a first free copolymer, a second graft polymer and a second free copolymer; the weight-average molecular weight of the first free copolymer being lower by at least 32,000 g/mol with regard to that of the second free copolymer. The inventive composition features improved balance of melt flowability and ductility, good resistance to hydrolysis and process stability.
摘要:
A process for producing a three-dimensional article comprising a poly(ester)carbonate compositions characterized by its flame resistance and high impact strength is disclosed. The composition that contains branched aromatic poly(ester)carbonate, a graft polymer wherein the graft base is silicone rubber or silicone-acrylate rubber, talc, phosphorus-containing flameproofing agent, and an inorganic boron compound, and an optional anti-dripping agent satisfies enhanced fire-protection requirements.
摘要:
A poly(ester)carbonate compositions characterized by its flame resistance and high impact strength is disclosed. The composition that contains branched aromatic poly(ester)carbonate, a graft polymer wherein the graft base is silicone rubber or silicone-acrylate rubber, talc, phosphorus-containing flameproofing agent, and an inorganic boron compound, and an optional anti-dripping agent satisfies enhanced fire-protection requirements.