摘要:
This invention relates to a process for the production of aromatic polycarbonates from cyclic aromatic carbonate oligomers in the presence of aprotic organic solvents at low temperatures.
摘要:
Thermoplastic materials containing A) 5 to 80 parts by weight of a thermoplastic co- or terpolymer made from the monomers styrene, &agr;-methylstyrene, methyl methacrylate, acrylonitrile with an average molecular weight ({overscore (M)}w) of 70,000 to 119,000, B) 1 to 30 parts by weight of a thermoplastic copolymer made from 60 to 95% by weight of styrene and/or &agr;-methylstyrene and 40 to 5% by weight of acrylonitrile with an average molecular weight ({overscore (M)}w) of 25,000 to 49,500, C) 0.1 to 10 parts by weight of a thermoplastic co- or terpolymer made from the monomers styrene, &agr;-methylstyrene, methyl methacrylate, acrylonitrile with an average molecular weight ({overscore (M)}w) of 1,500 to 6,000 and D) 0.5 to 50 parts by weight of a particulate rafted rubber with a glass transition temperature ≦10° C. and an average particle diameter (d50) of 0.05 to 0.50 &mgr;m, which contains 15 to 80 parts by weight of a chemically bonded polymer made from styrene, methyl methacrylate, acrylonitrile or mixtures thereof, per 100 parts by weight of rubber and optionally E) 10 to 300 parts by weight of an aromatic polycarbonate and/or poly-alkylene terephthalate per 100 parts by weight of A+B+C+D, or F) 1 to 40 parts by weight of a thermoplastic polyurethane.
摘要翻译:含有A)的热塑性材料5至80重量份由单体苯乙烯,α-甲基苯乙烯,甲基丙烯酸甲酯,平均分子量({超芯(M)} w)的单体制得的热塑性共聚物或三元共聚物为70,000至119,000, B)1至30重量份由60至95重量%的苯乙烯和/或α-甲基苯乙烯和40至5重量%的平均分子量({超芯(M)} w的丙烯腈制成的热塑性共聚物 )为25,000至49,500,C)0.1至10重量份由单体苯乙烯,α-甲基苯乙烯,甲基丙烯酸甲酯,丙烯腈制成的热塑性共聚物或三元共聚物,其平均分子量({overscore(M)} w)为 1,500至6000和D)0.5至50重量份玻璃化转变温度<= 10℃,平均粒径(d50)为0.05至0.50微米的颗粒状筏式橡胶,其含有15至80重量份的 由苯乙烯,甲基丙烯酸甲酯,a。制成的化学键合聚合物 丙烯腈或其混合物,每100重量份橡胶和任选的E)10至300重量份的芳族聚碳酸酯和/或聚对苯二甲酸亚烷基酯/ 100重量份的A + B + C + D,或F)1至 40重量份的热塑性聚氨酯。
摘要:
Thermoplastic molding composition, containing: A) 5-95 weight percent of a thermoplastic homo-, co-, or terpolymer of styrene, alpha-methylstyrene, ring-substituted styrene, methyl methacrylate, acrylonitrile, methacrylonitrile, maleic anhydride, N-substituted maleimide, vinyl acetate or mixtures thereof; B) 5-95 weight % of a graft polymer of B.1) 5-90 parts by weight of styrene, alpha-methylstyrene, ring-substituted styrene, methyl methacrylate, acrylonitrile, methacrylonitrile, maleic anhydride, N-substituted maleimide, vinyl acetate or mixtures thereof on B.2) 95-10 parts by weight of a rubber with a glass transition temperature .ltoreq. 10.degree. C; and C) 0.1-10 parts bye weight per 100 parts by weight of A+B of one or more EPM and/or EPDM rubbers.
摘要:
Thermoplastic molding compositions of A) 70 to 99.5% by weight of a thermoplastic aromatic polyether sulfone or mixtures of several thermoplastic polyether sulfones and B) 30 to 0.5% by weight of a hydrogenated nitrile rubber.
摘要:
Thermoplastic moulding materials, of vinyl chloride polymers, which contain a polymer, prepared in the presence of mercaptans, from styrene, .alpha.-methylstyrene, vinyltoluene, acrylonitrile, methyl methacrylate or mixtures thereof and which possess improved processing properties.
摘要:
Sulphosuccinamide acids and their salts corresponding to the following general formula ##STR1## wherein X denotes the residue of a hydrophobic, optionally branched vinyloligomer having an average molecular weight M.sub.n of from 200-5,000, preferably from 300-3,000,of the groups denoted byR.sup.1 R.sup.2, one is hydrogen and the other is --SO.sub.3 M, andn represents a number with a value of from 1.4-3.0, preferably form 1.6-2.3. andM denotes hydrogen, an alkali metal, or an ammonium, C.sub.1 -C.sub.4 -alkyl-ammonium or C.sub.2 -C.sub.3 -hydroxy alkyl-ammonium group.
摘要:
Thermoplastic moulding compositions consisting ofI. 75 to 99.5% by weight of a polymer ofA. 0 to 95% by weight, 95% or less by weight; of a graft copolymer prepared by grafting polymerization ofA.1 5 to 95% by weight of a mixture ofA.1.1 50 to 95% by weight of styrene, .alpha.-methylstyrene, nuclear-substituted styrene, methyl methacrylate or mixtures thereof andA.1.2 50 to 5% by weight of (meth)acrylonitrile, methyl methacrylate, maleic anhydride, N-substituted maleimide or mixtures thereof onA.2 95 to 5% by weight of a rubber with a glass transition temperature Tg or
摘要:
Sulphur-containing polymers of styrene, .alpha.-methyl styrene, p-methyl styrene, vinyl toluene, acrylonitrile or methyl methacrylate or mixtures thereof with a limiting viscosity of from 2 to 15 ml/g (measured in dimethyl formamide at 25.degree. C.) and a sulphur content of from 1.15 to 3.95% by weight, whereby at least 90% by weight of the incorporated sulphur is present as a constituent of terminal C.sub.1-18 -thioalkyl groups.
摘要:
The invention relates to elastic-thermoplastic and thermoplastic pulverulent moulding materials and to mixtures thereof, which can be processed as thermoplastics, with elastic moulding materials, which are prepared from the corresponding aqueous latices under salt-free conditions using a purely organic precipitating agent system.
摘要:
Polymer alloys having a mat surface constituting a mixture of grafted rubbers, the graft superstrate containing an acidic monomer in one part of the mixture and a basic monomer in the other part.