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    • 2. 发明授权
    • Polycarbonate exhibiting improved impact properties
    • 表现出改善冲击性能的聚碳酸酯
    • US4628081A
    • 1986-12-09
    • US797254
    • 1985-11-12
    • Victor Mark, deceasedEdward N. Peters
    • Victor Mark, deceasedEdward N. Peters
    • C08G64/16C08G63/00C08G63/64C08G64/00C08G63/62
    • C08G64/00C08G63/00C08G63/64
    • High molecular weight aromatic carbonate resin comprised of the polymerized reaction products of:(i) at least one dihydric phenol;(ii) a carbonate precursor; and(iii) an amount at least effective to improve the impact properties of said resin of at least one polymer selected from polymers represented by the formula ##STR1## thereof; wherein A is selected from the divalent residues of at least one polymerized and fully hydrogenated conjugated alkadiene and has a weight average molecular weight of at least about 600, and X is independently selected from halogen radicals.At lower amounts of (iii) these resins exhibit improved impact properties, while at higher amounts of (iii) the resins exhibit rubbery and elastomeric characteristics.
    • 高分子量芳族碳酸酯树脂,其由以下聚合反应产物组成:(i)至少一种二元酚; (ii)碳酸酯前体; 和(iii)至少有效改善所述树脂的至少一种聚合物的冲击性能的量,所述聚合物选自由式HOAOH表示的聚合物,其图像; 其中A选自至少一个聚合和完全氢化的共轭二烯的二价残基,其重均分子量至少约为600,X独立地选自卤素基团。 在较低量的(iii)这些树脂表现出改进的冲击性能,而在较高量的(iii)树脂表现出橡胶和弹性体特性的情况下。