摘要:
The present disclosure relates to impact-modified polycarbonate compositions which comprise a graft polymer containing silicone/acrylate composite rubber as the graft base, wherein the content of silicone rubber is 65-95 wt. % (based on the graft base), talc having a d98 value (also called “top cut”) of less than 20 μm and phosphorus-containing flame retardant, the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves. The compositions and moulding compositions according to the disclosure have an optimum combination of good flameproofing, good resistance to chemicals and hydrolysis and good mechanical properties (i.e. in particular a high E modulus and high notched impact strength aK).
摘要:
The present disclosure relates to an impact-modified polycarbonate composition which comprise a first graft polymer containing silicone/acrylate composite rubber as the graft base, wherein the content of silicone rubber is 65-95 wt.% (based on the graft base), a second graft polymer containing a diene rubber, and phosphorus-containing flameproofing agent, the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves. The compositions and moulding compositions according to the disclosure have an optimum combination of good flameproofing at thin wall thicknesses, good resistance to chemicals and hydrolysis and low melt viscosity.
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:
Battery box comprising compositions containing A) 70.0 to 90.0 parts by weight of linear and/or branched aromatic polycarbonate and/or aromatic polyester carbonate, B) 6.0 to 15.0 parts by weight of at least one graft polymer, C) 2.0 to 15.0 parts by weight of one or more phosphorus compounds, D) 0 to 3.0 parts by weight of antidripping agents, E) 0 to 3.0 parts by weight of thermoplastic vinyl (co)polymer (E.1) and/or polyalkylene terephthalate (E.2), and F) 0 to 20.0 parts by weight of further additives, wherein the compositions are optionally free from rubber-free polyalkyl(alkyl)acrylate.
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:
The present invention relates to impact-modified polylactic acid/polycarbonate compositions, containing A) 48 to 90 parts by weight, based in each case on the sum of the parts by weight of components A+B+C+D, of aromatic polycarbonate, B) 1 to 40 parts by weight, based in each case on the sum of the parts by weight of components A+B+C+D, of polylactic acid, C) 0.5 to 15 parts by weight, based in each case on the sum of the parts by weight of components A+B+C+D, of graft polymer, D) 2 to 25 parts by weight, based in each case on the sum of the parts by weight of components A+B+C+D, of a salt of a phosphinic acid and optionally additional components such as vinyl polymers and additives, which are distinguished by an optimum combination of high heat resistance, good flame retardance and excellent mechanical properties, to the use of the polycarbonate compositions for the production of mouldings and the mouldings themselves.
摘要翻译:本发明涉及冲击改性聚乳酸/聚碳酸酯组合物,其含有A)48-90重量份,基于每种情况,芳族聚碳酸酯的组分A + B + C + D的重量份数之和, B)1至40重量份,基于每种情况,基于聚乳酸的组分A + B + C + D的重量份的总和,C)0.5至15重量份,基于每种情况 接枝聚合物的组分A + B + C + D的重量份数D)2〜25重量份,基于各组分A + B + C + D的重量份数 ,次膦酸的盐和任选的其它组分如乙烯基聚合物和添加剂,其特征在于高耐热性,良好的阻燃性和优异的机械性能的最佳组合,用于生产聚碳酸酯组合物的用途 模制品和模制品本身。
摘要:
The present invention relates to non-aging, impact-modified polycarbonate compositions and molding compositions comprising: A) from 60 to 86 parts by weight (based on the sum of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) from 4 to 12 parts by weight (based on the sum of components A+B+C) of graft polymer comprising: B.1 from 10 to 50 wt. % (based on the graft polymer B) of a shell of at least one vinyl monomer, and B.2 from 90 to 50 wt. % (based on the graft polymer B) of a graft base of silicone-acrylate composite rubber, C) from 10 to 30 parts by weight (based on the sum of components A+B+C) of a polymer or copolymer based on vinyl monomer, and D) from 0 to 20 parts by weight of polymer additives. Components B and C are present in a ratio of the parts by weight of B:C in the range from 1:1.3 to 1:3.5. A composition of the present invention is generally free of inorganic fillers, and is distinguished by an improved balance of multiaxial low-temperature impact strength and flowability, good dyeability and a high heat distortion resistance.
摘要翻译:本发明涉及非老化,抗冲击改性的聚碳酸酯组合物和模塑组合物,其包含:A)60至86重量份(基于组分A + B + C的总和)芳族聚碳酸酯和/或芳族聚酯碳酸酯 ,B)4至12重量份(基于组分A + B + C的总和),接枝聚合物包含:B.1 10至50重量% 至少一种乙烯基单体的壳的%(基于接枝聚合物B),B.2为90至50wt。 基于硅氧烷 - 丙烯酸酯复合橡胶的接枝基质的%(基于接枝聚合物B)C)基于乙烯基的聚合物或共聚物的10至30重量份(基于组分A + B + C的总和) 单体和D)0至20重量份的聚合物添加剂。 组分B和C以B:C重量份的比例在1:1.3至1:3.5的范围内存在。 本发明的组合物通常不含无机填料,其特征在于多轴低温冲击强度和流动性,良好的可染性和高耐热变形性的平衡。
摘要:
The present invention relates to a process for the production of impact-modified filled polycarbonate compositions and molding compositions. A process of the present invention involves: (i) mixing the CNT (component C) with rubber-containing vinyl copolymer (component B) and/or rubber-free vinyl copolymer (component D) on a twin screw extruder, to obtain a CNT masterbatch, (ii) mixing the CNT masterbatch with polycarbonate (component A) and optionally with Component B and/or Component D and optionally with an additive on a twin screw extruder. A polycarbonate composition prepared according to the present invention does not experience degradation of the molecular weight of the polycarbonate during compounding a compared to processes known in the art.
摘要:
The present invention relates to a polycarbonate composition comprising polyalkyl(alkyl)acrylate having a specific molecular weight and an impact modifier, as well as to moulded bodies obtainable from these compositions. Compositions according to the present invention exhibit superior properties, in particular with respect of low-temperature strength and melt flowability.
摘要:
The present invention relates to filled, impact-modified polycarbonate compositions containing A) aromatic polycarbonate and/or aromatic polyester carbonate, B) a first graft polymer of B.1 from 0.1 to 30 wt. % of at least one vinyl monomer on B.2 from 99.9 to 70 wt. % of one or more graft bases having glass transition temperatures