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:
The present invention relates to a polycarbonate composition comprising A) 38 to 99.3 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of aromatic polycarbonate and/or aromatic polyester carbonate, B) 0.5 to 12 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of rubber-modified graft polymer, C) 0.1 to 25 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of a salt of a phosphinic acid, and D) 0.1 to 25 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of talc, A composition of the present invention is distinguished by an optimum combination of high heat distortion temperature, good flameproofing, excellent mechanical properties and a good resistance to chemicals and hydrolysis. The invention also relates to the use of polycarbonate compositions for the production of shaped articles and the shaped articles themselves.
摘要翻译:本发明涉及一种聚碳酸酯组合物,其包含A)38-99.3重量份 (在每种情况下,基于组分A + B + C + D的重量份的总和)芳族聚碳酸酯和/或芳族聚酯碳酸酯,B)0.5〜12重量份。 (在每种情况下基于橡胶改性接枝聚合物的组分A + B + C + D的重量份数之和),C)0.1〜25重量份。 (在每种情况下基于组分A + B + C + D的重量份的总和)次膦酸的盐,和D)0.1至25重量份。 (在每种情况下,基于组分A + B + C + D的重量份之和)滑石粉。本发明的组合物的特征在于高热变形温度,良好的防火性,优异的机械性能 并具有良好的耐化学品和水解能力。 本发明还涉及聚碳酸酯组合物用于生产成形制品和成形制品本身的用途。
摘要:
The present invention relates to impact-modified polycarbonate compositions comprising A) 50 to 99.4 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) 0.5 to 20 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of graft polymer containing a silicone rubber or silicone/acrylate rubber, C) 0.1 to 30 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of a salt of a phosphinic acid. which are distinguished by an optimum combination of good flameproofing, high heat distortion temperature, good mechanical properties and good resistance to chemicals, the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves.
摘要翻译:本发明涉及冲击改性聚碳酸酯组合物,其包含A)50-99.4重量份 (在每种情况下,基于组分A + B + C的重量份数之和)芳族聚碳酸酯和/或芳族聚酯碳酸酯,B)0.5〜20重量份。 (在每种情况下,基于组分A + B + C的重量份的总和)含有硅橡胶或硅橡胶/硅橡胶的接枝聚合物,C)0.1〜30重量份。 (在每种情况下,基于组分A + B + C的重量份的总和)次膦酸的盐。 其特征在于良好的隔爆性,高的热变形温度,良好的机械性能和良好的抗化学性的最佳组合,聚碳酸酯组合物用于成型制品的生产和成形制品本身的使用。
摘要:
The present invention relates to a polycarbonate composition comprising A) 58 to 99.6 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) 0.5 to 12 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of rubber-modified graft polymer prepared in the bulk, solution or bulk-suspension polymerization process, and C) 0.1 to 30 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of a salt of a phosphinic acid. A composition of the present invention is distinguished by an optimum combination of high heat distortion temperature, good flameproofing, excellent mechanical properties and a good resistance to hydrolysis. The present invention further relates to the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves.
摘要翻译:本发明涉及一种聚碳酸酯组合物,其包含A)58-99.6重量份 (在每种情况下,基于组分A + B + C的重量份的总和)芳族聚碳酸酯和/或芳族聚酯碳酸酯,B)0.5〜12重量份。 (以每种情况为基础,以本体,溶液或本体悬浮聚合方法制备的橡胶改性接枝聚合物的重量份数A + B + C的份数之和),和C)0.1-30份(重量) (在每种情况下,基于组分A + B + C的重量份的总和)次膦酸的盐。 本发明的组合物的特征在于高热变形温度,良好的防火性,优异的机械性能和良好的耐水解性的最佳组合。 本发明还涉及聚碳酸酯组合物用于生产成形制品和成形制品本身的用途。
摘要:
A thermoplastic molding composition comprising aromatic polycarbonate and/or aromatic polyester carbonate, a rubber-modified graft polymer and a plurality of hollow glass beads is disclosed.The composition is distinguished by its improved flowability, high stiffness and small processing shrinkage, as well as unchanged high scratch resistance. The composition is suitable for producing molded articles having desirable properties.
摘要:
A thermoplastic molding composition that contains a plurality of graft rubbers is disclosed. A first graft rubber is a product of emulsion polymerization of a mixture containing styrene and acrylonitrile in the presence of butadiene polymer latex (A) having an average particle diameter (d50) of 80 to 220 nm. An additional graft rubber is a product of emulsion polymerization of a mixture containing styrene and acrylonitrile in the presence of butadiene polymer latex (B) having an average particle diameter (d50) of 350 to 650 nm. The butadiene polymer latex (A) is the product of seed polymerization in which seed is butadiene polymer latex having a median particle diameter of 10 to 100 nm, and the butadiene polymer latex (B) is the product of agglomeration in which butadiene polymer latex (A) is the starting latex.
摘要:
A thermoplastic molding composition that features improved thermal stability and a relatively low maximum rate of decomposition in the event of fire is disclosed. The composition contains an aromatic polycarbonate and/or polyester carbonate, and a modified layered compound, the modification with organic polymer by means of a solvent-free melt process. Optional additional components include an impact modifier, a thermoplastic (co)copolymer, and a phosphorus compound.
摘要:
A flame resistant, impact-modified polycarbonate composition is disclosed. The composition that is suitable especially for preparing thermoformed articles comprises branched aromatic polycarbonate and/or branched aromatic polyester carbonate, a graft polymer containing silicone rubber or silicone acrylate rubber, talc, and a phosphorus-containing flameproofing agent, and meets high requirements in terms of fireproofing. Also disclosed is a process for the preparation of the composition and its use in the production of molded articles.
摘要:
A thermoplastic molding composition suitable for preparing articles by thermoforming is disclosed. The molding composition that comprise A) branched, aromatic poly(ester)carbonate, B) graft polymer, C) an optional vinyl(co)polymer and or polyalkylene terephthalate, D) at least one flame retarding phosphorous compound selected from the group consisting of mono- and oligomeric phosphorus and phosphonic acid esters, phosphonate amines and phosphazenes and E) talc, is characterized in that its flexural modulus at room temperature is at least 3000 N/mm2 and that its falling dart energy at break, at −30° C., is at least 40.0 J. Sheets extruded of the composition are suitable for making useful articles by thermoforming.
摘要翻译:公开了一种适于通过热成型制备制品的热塑性模塑组合物。 包含A)支链,芳族聚(酯)碳酸酯,B)接枝聚合物,C)任选的乙烯基(共)聚合物和/或聚对苯二甲酸亚烷基酯的模塑组合物,D)至少一种选自以下的阻燃磷化合物: 单和低聚磷和膦酸酯,膦酸酯胺和磷腈以及E)滑石,其特征在于其在室温下的挠曲模量为至少3000N / mm 2,并且其落镖能量 在-30℃下断裂至少为40.0J。该组合物的片材挤压适用于通过热成型制备有用的制品。
摘要:
A method of using Raman Spectra for determining the progress of a graft polymerization reaction is disclosed. The method entails (a) measuring at the beginning of the reaction and at a plurality of time intervals in the course of the reaction, continuously and on-site, the Raman spectrum in the wave number range of 100 to 4000 cm−1 of one or more of the monomers and/or polymers entailed in the reaction and of at least one internal standard and (b) recording the spectra and (c) adding reaction partners necessary to the reaction continuously and/or discontinuously and (d) calculating the change in concentration of the monomers and polymers by comparing the spectra of the monomers or polymers with the internal standard.