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    • 9. 发明授权
    • Gamma radiation resistant polycarbonate compositions
    • 耐辐射聚碳酸酯组合物
    • US5187211A
    • 1993-02-16
    • US305301
    • 1989-02-01
    • Charles E. LundySivaram KrishnanGerald L. RobbinsRick L. Archey
    • Charles E. LundySivaram KrishnanGerald L. RobbinsRick L. Archey
    • C08K5/06C08K5/151
    • C08K5/06C08K5/151
    • The invention relates to thermoplastic polycarbonate molding compositions which are rendered resistant to gamma-radiation by incorporating therewith about 0.1 to about 5 percent by weight of a stabilizing agent selected from the group consisting of ##STR1## wherein R is a hydrogen or a halogen atom or a C.sub.1 -C.sub.10 alkyl, a C.sub.6 -C.sub.10 alkyl, a C.sub.6 -C.sub.10 aryl, C.sub.1 -C.sub.22 acyl, C.sub.6 -C.sub.18 alkylaryl or a C.sub.4 -C.sub.10 cycloalkyl radical, n is an integer of at least 1 and preferably 1 to about 100 and Y and Y.sup.1 independently are a hydrogen atom, a C.sub.6 -C.sub.10 aryl, C.sub.1 -C.sub.10 alkyl or a C.sub.6 -C.sub.18 alkylaryl or a C.sub.6 -C.sub.18 arylalkyl radical or ##STR2## wherein m is 1 or 3-6, R.sub.1, R.sub.2 and R.sub.3 independently are a hydrogen atom or a C.sub.1 -C.sub.10 alkyl, C.sub.6 -C.sub.10 aryl or a C.sub.6 -C.sub.18 alkylaryl radical.
    • 本发明涉及热塑性聚碳酸酯模塑组合物,其通过加入约0.1至约5重量%的选自下组的稳定剂,使其具有抗γ辐射的抗性。 其中R是氢或卤素原子或C 1 -C 10烷基,C 6 -C 10烷基,C 6 -C 10芳基,C 1 -C 22酰基,C 6 -C 18烷基芳基或C 4 -C 10环烷基,n是 至少1,优选1至约100,Y和Y 1独立地为氢原子,C 6 -C 10芳基,C 1 -C 10烷基或C 6 -C 18烷基芳基或C 6 -C 18芳烷基或III。 或 IV。 或 V.或 VI。 其中m为1或3-6,R 1,R 2和R 3独立地为氢原子或C 1 -C 10烷基,C 6 -C 10芳基或C 6 -C 18烷基芳基。