摘要:
Homo- and/or copolymers of one or more ethylenically unsaturated monomers, suitable for the preparation of molded articles that feature improved properties, especially improved fracture properties, heat stability and notched impact strength are disclosed. These homo- and/or copolymers are characterized in that they contain less than 400 particles per m2 of surface area with a diameter greater than 200 μm.
摘要:
A thermoplastic molding compositions comprising thermoplastic polycarbonate and an additive amount of a zinc compound having an average particle diameter of 1 nm to 20 &mgr;m is disclosed. The composition has an improved crude shade and improved mechanical properties.
摘要:
Thermoplastic moulding compositions based on polycarbonate and/or polyester-carbonate comprising graft polymer prepared by means of bulk, solution or bulk-suspension polymerization processes and phosphorus compounds of the general formula (I)
摘要:
A flame resistant thermoplastic molding composition is disclosed. The composition contains aromatic polycarbonate, graft polymer, a specifically structured phosphorous compound, fluorinated polyolefin and inorganic compound with an average particle size no greater that 200 nm and an optional vinyl(co)polymer. The inventive composition is characterized in its improved stress cracking resistance and mechanical properties.
摘要:
A thermoplastic molding compositions comprising thermoplastic polycarbonate and an additive amount of an aluminum compound is disclosed. The aluminum compound is characterized by its particle size and the composition is characterized by its improved anti-static properties.
摘要:
Flame resistant graft polymer-modified polycarbonate molding compositions are described. The polycarbonate molding compositions comprise phosphorous compounds, and a coagulated mixture of flourinated polyolefins or precompound fluorinated polyolefins. Polycarbonate molding compositions according the present invention are flame retardant, and have desirable mechanical properties, e.g., notched impact strength and elongation at break.
摘要:
A thermoplastic polycarbonate molding composition is described. The thermoplastic composition contains a silicon compound, e.g., silicon dioxide, having an average particle diameter of 0.001 &mgr;m to 10 &mgr;m. The silicon compound is present in the composition in an amount of 0.01 to 30 parts by weight per 100 parts by weight of the thermoplastic polycarbonate. Also describe are shaped articles, e.g., data technology housing components, made from the thermoplastic polycarbonate composition of the present invention.
摘要:
Thermoplastic polycarbonate/graft polymer moulding compositions containingA) 5 to 95 parts by weight of an aromatic polycarbonate,B) 1 to 50 parts by weight of at least one thermoplastic homopolymer, copolymer or terpolymer of styrene, .alpha.-methylstyrene, acrylonitrile, N-substituted maleimide or mixtures thereof,C) 1 to 50 parts by weight of at least one graft polymer ofC.1) 5 to 90 parts by weight of styrene, .alpha.-methylstyrene, acrylonitrile, N-substituted maleimide or mixtures thereof, onC.2) 95 to 10 parts by weight of a rubber with a glass transition temperature .ltoreq.0.degree. C. andD) 1 to 25 parts by weight (per 100 parts by weight A+B+C) of at least one additive selected from flame retardants, lubricants, antistatic agent, mould release agents or mixtures thereof,characterised in that the component B) is produced by bulk, solution or suspension polymerisation and has an oligomer content .ltoreq.1 wt. %, component C) is produced by emulsion polymerisation and the total oligomer content of the moulding compositions is .ltoreq.0.6 wt. %.
摘要翻译:含有A)5-95重量份的芳族聚碳酸酯的热塑性聚碳酸酯/接枝聚合物模塑组合物,B)1至50重量份的至少一种苯乙烯,α-甲基苯乙烯,丙烯腈,N-甲基苯乙烯的共聚物或三元共聚物, 取代的马来酰亚胺或其混合物,C)1至50重量份的至少一种C.1的接枝聚合物)C至5重量份的苯乙烯,α-甲基苯乙烯,丙烯腈,N-取代的马来酰亚胺或其混合物,在C .2)95至10重量份的玻璃化转变温度为0℃的橡胶和D)1至25重量份(每100重量份A + B + C)至少一种添加剂 选自阻燃剂,润滑剂,抗静电剂,脱模剂或其混合物,其特征在于组分B)通过本体,溶液或悬浮液聚合制备,并且具有低聚物含量为1重量%。 %,组分C)通过乳液聚合制备,并且模塑组合物的总低聚物含量为0.6重量%。 %。
摘要:
A thermoplastic molding composition having improved mechanical properties is disclosed. The composition contains (A) aromatic polycarbonate and/or polyester carbonate (B) at least one graft rubber, obtained by emulsion polymerization of styrene and acrylonitrile in the presence of at least two rubber latices of type (B1) and (B2) where (B1) has a particle diameter d50 of ≦350 nm, a particle size distribution range of 30 nm to 100 nm, and a gel content of 70 wt. %, and (B2) has a particle diameter of ≧350 nm, a particle size distribution range of 50 nm to 500 nm, and a gel content of ≧70 wt. %, and the difference in the average particle diameter of B1 and B2 is ≧50 nm, (C) an optional copolymer of styrene and or acrylonitrile and for methyl methacrylate and/or N-substituted maleinimide, and optionally (D) flame retardant as well as optionally conventional additives.