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    • 6. 发明授权
    • Copolyestercarbonate and polycarbonate
    • 共聚酯碳酸酯和聚碳酸酯
    • US5605980A
    • 1997-02-25
    • US601883
    • 1996-02-15
    • Omar M. BoutniLuca P. FontanaSarah E. Morgan
    • Omar M. BoutniLuca P. FontanaSarah E. Morgan
    • C08L67/00C08L69/00C08L67/02
    • C08L69/00C08L69/005
    • A composition comprisinga. about 10 to 90 weight-percent of an aromatic polycarbonate in admixture withb. about 90 to 10 weight percent of copolyestercarbonate having repeating units of the structure ##STR1## wherein: R is independently selected from halogen, monovalent hydrocarbon, and monovalent hydrocarbonoxy radicals;R.sup.1 is independently selected from halogen, monovalent hydrocarbon, and monovalent hydrocarbonoxy radicals;W is selected from divalent hydrocarbon ##STR2## radicals, n and n.sup.1 are independently selected from integers having a value of from 0 to 4 inclusive;b is either zero or one;X is an alkylene group of about 6 to 18 carbon atoms, inclusive;d is from about 2 to 30 mole percent of the total units c+d; anda and b calculated as weight percent of a plus b.
    • 一种组合物,其包含a。 约10至90重量%的芳族聚碳酸酯与b混合。 约90至10重量%的具有重复单元结构的共聚酯碳酸酯,其中:R独立地选自卤素,一价烃和一价烃氧基; R1独立地选自卤素,一价烃和一价烃氧基; W选自二价碳氢化合物基团,n和n1独立地选自具有0至4的整数的整数; b是零或一; X是约6-18个碳原子的亚烷基,包括端值; d为总单位c + d的约2至30摩尔%; a和b以加号b的重量百分比计算。