HIGH HEAT, HIGH IMPACT POLYCARBONATE COMPOSITIONS AND ARTICLES MADE THEREFROM

• Main Authors: GRCEV SNEZANA, VAN DE WETERING KARIN
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2019
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

An article includes a polycarbonate composition comprising up to 60 wt% of a bisphenol A homopolycarbonate; 7-25 wt% of a poly(carbonate-siloxane); 10-70 wt% of a polycarbonate copolymer having a glass transition temperature of 170DEG C or higher; 0.05-1.5 wt% of a flame retardant salt; 5-15 wt% of glass fibers; 0-0.2 wt% of an anti-drip agent; optionally, up to 10 wt% of an additive composition;wherein a molded sample of the polycarbonate composition has a Vicat B120 softening temperature of at least 150DEG C, an Izod notched impact strength of 10 kJ/m2 or greater, measured at 23 DEG C, a flame test rating, when measured according to UL-94 at 0.8 millimeters thickness, of V2, and a probability of first time pass for V2 greater than 0.7. 种制品，包括聚碳酸酯组合物，该聚碳酸酯组合物包含至多达60wt％的双酚A均聚碳酸酯；7-25wt％的聚(碳酸酯-硅氧烷)；10-70wt％的具有170℃或更高的玻璃化转变温度的聚碳酸酯共聚物；0.05-1.5wt％的阻燃盐；5-15wt％的玻璃纤维；0-0.2wt％的抗滴落剂；可选的至多达10wt％的添加剂组合物；其中该聚碳酸酯组合物的模制样品具有至少150℃的维卡B120软化温度，10kJ/m或更大的在23℃下测量的缺口悬臂梁冲击强度，根据UL-94在0.8毫米厚度下测量的V2的燃烧测试等级，和大于0.7的第次通过V2的概率。