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    • 23. 发明授权
    • Ionizing radiation stable thermoplastic composition, method of making, and articles formed therefrom
    • 电离辐射稳定的热塑性组合物,制备方法和由其形成的制品
    • US07812078B2
    • 2010-10-12
    • US11263325
    • 2005-10-31
    • Katherine GlasgowBrian MullenPhilippe Schottland
    • Katherine GlasgowBrian MullenPhilippe Schottland
    • C08K5/42
    • C08J3/226C08J2469/00C08K5/42C08L69/00
    • A thermoplastic composition comprises a polycarbonate, and an aromatic sulfonate compound of formula (Y)m—Ar—(Z—S(O)2—X)n wherein each X is independently a substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C1-C20 arylalkyl, substituted or unsubstituted C6-C20 aryl, or substituted or unsubstituted C7-C40 alkylaryl; Z is —O—, or substituted or unsubstituted —(O—C1-20—)w—O—, wherein w is 1 to 20; Ar is a C6-C62 aromatic group; m is 0-3 and n is 3-6; and each Y is independently C1-C20 alkyl, substituted C1-C20 alkyl, C6-C20 aryl, C1-C8 alkyl-substituted C6-C20 aryl, halogen, nitro, C1-C20 alkoxycarbonyl, C1-C20 alkoxy, or C1-C20 acyl, and further wherein a molded article having a thickness of 3.2±0.12 millimeters and consisting of the polycarbonate, aromatic sulfonate compound, and an effective amount of each of a mold-release agent and an antioxidant has, after exposure to a total gamma radiation dose of 83 kGy and when measured according to ASTM D1925-70, an increase in yellowness index (dYI) of less than or equal to 45, when compared to the unexposed molded article. Methods of making the thermoplastic composition, and articles prepared therefrom, are also disclosed.
    • 热塑性组合物包含聚碳酸酯和式(Y)m-Ar-(Z-S(O)2-X)n的芳族磺酸盐化合物,其中每个X独立地为取代或未取代的C 1 -C 20烷基,取代或未取代的 C 1 -C 20芳烷基,取代或未取代的C 6 -C 20芳基或取代或未取代的C 7 -C 40烷基芳基; Z是-O-或取代或未取代的 - (O-C 1-20 - )w -O-,其中w是1至20; Ar为C6-C62芳族基团; m为0-3,n为3-6; 并且每个Y独立地为C 1 -C 20烷基,取代的C 1 -C 20烷基,C 6 -C 20芳基,C 1 -C 8烷基取代的C 6 -C 20芳基,卤素,硝基,C 1 -C 20烷氧基羰基,C 1 -C 20烷氧基或C 1 -C 20 酰基,并且其中由曝露于总γ辐射之后,由聚碳酸酯,芳族磺酸盐化合物和有效量的脱模剂和抗氧化剂组成的厚度为3.2±0.12毫米的模塑制品 剂量为83kGy,当根据ASTM D1925-70测量时,与未曝光的模制品相比,黄度指数(dYI)的增加小于或等于45。 还公开了制备热塑性组合物的方法及其制备的制品。
    • 26. 发明申请
    • Ionizing radiation stable thermoplastic composition, method of making, and articles formed therefrom
    • 电离辐射稳定的热塑性组合物,制备方法和由其形成的制品
    • US20070100021A1
    • 2007-05-03
    • US11263372
    • 2005-10-31
    • Katherine GlasgowBrian MullenPhilippe Schottland
    • Katherine GlasgowBrian MullenPhilippe Schottland
    • G21F1/10
    • C08K5/0008C08J3/226C08J2369/00C08J2469/00C08K5/42C08L69/00
    • A thermoplastic composition comprising a polycarbonate, and an aromatic sulfonate compound of formula: Ar1—S(O)2—O-L-O—S(O)2—Ar1 wherein each Ar1 is each independently a substituted or unsubstituted C6-20 aryl group, and L is a branched, substituted or unsubstituted divalent aliphatic hydrocarbon, wherein a molded article having a thickness of 3.2±0.12 millimeters and consisting of the polycarbonate, the aromatic sulfonate compound, and an effective amount of each of an aliphatic diol, a mold release agent, and an antioxidant has, after exposure to a total gamma radiation dose of 83 kGy and when measured according to ASTM D1925-70, an increase in yellowness index (dYI) of less than or equal to 45, when compared to the unexposed molded article. Methods of making the thermoplastic composition, and articles prepared therefrom, are also disclosed.
    • 一种热塑性组合物,其包含聚碳酸酯和下式的芳香族磺​​酸酯化合物:&lt;?in-line-formula description =“In-line formula”end =“lead”?> Ar < )2-in-line-formula description =“In-line Formulas”end =“ 其中每个Ar 1各自独立地是取代或未取代的C 6-20芳基,L是支链,取代或未取代的二价脂族烃,其中 由聚碳酸酯,芳族磺酸盐化合物和有效量的脂肪族二醇,脱模剂和抗氧化剂组成的厚度为3.2±0.12毫米的模制品在暴露于总伽马辐射之后 剂量为83kGy,当根据ASTM D1925-70测量时,与未曝光的模制品相比,黄度指数(dYI)的增加小于或等于45。 还公开了制备热塑性组合物的方法及其制备的制品。