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    • 9. 发明公开
    • 중축합 수지의 제조 방법
    • 制备聚合树脂的方法
    • KR1020130069387A
    • 2013-06-26
    • KR1020120131085
    • 2012-11-19
    • 제일모직주식회사
    • 칸다토모미치장복남장승현
    • C08G69/28C08G64/20C08G63/78
    • PURPOSE: A polycondensation resin manufacturing method is provided to efficiently prepare a high quality polycondensation resin that is not damaged by fusions between lower order condenstates themselves or scaling in a pipe of the lower order condensates. CONSTITUTION: A polycondensation resin manufacturing method including a process of solid polymerizing a crystalline pulverulent body of a lower order condensate, wherein the method comprises the following steps of: preparing the crystalline pulverulent body of a lower order condensate; mixing the obtained crystalline pulverulent body of a lower order condensate and a granular molding body of a thermoplastic resin; and solid-polymerizing 'the pulverulent body of a lower order condensate and the granular molding body of the thermoplastic resin'. A mixed amount of the granular molding body of the thermoplastic resin is 0.1 to 10wt% based on the crystalline pulverulent body of a lower order condensate.
    • 目的:提供缩聚树脂的制造方法,以有效地制备高级缩聚树脂,其不会因低级凝胶体本身之间的融合而损坏或缩小在低级缩合物的管道中。 构成:一种缩聚树脂的制造方法,其包括使低级缩合物的结晶性粉末体固体聚合的方法,其中所述方法包括以下步骤:制备低级缩合物的结晶粉末体; 将获得的低级冷凝物的结晶粉末与热塑性树脂的粒状成型体混合; 并使“低级冷凝物的粉末体和热塑性树脂的粒状成型体”固体聚合。 热塑性树脂的粒状成型体的混合量相对于低级缩合物的结晶性粉体为0.1〜10重量%。
    • 10. 发明公开
    • 폴리카보네이트 수지 조성물
    • 聚碳酸酯树脂组合物
    • KR1020120078546A
    • 2012-07-10
    • KR1020110037950
    • 2011-04-22
    • 제일모직주식회사
    • 지준호허종찬권오성장복남
    • C08L69/00C08K5/3475C08K5/10C08K5/42
    • PURPOSE: A polycarbonate resin composition is provided to improve thermal stability, and weatherability, especially visible ray transmittance, weatherability, thermal stability, etc. CONSTITUTION: A polycarbonate resin composition comprises polycarbonate resin, a UV stabilizer based on a first benzotriazole in chemical formula 1, a UV stabilizer based on a second benzotriazoles in chemical formula 2, a UV stabilizer based on bismalonate in chemical formula 3, and a phosphate-based thermal stabilizer. In chemical formulas, R, R1, R2, R3, R4, R5 and R6 is respectively and independently hydrogen, a C1-20 linear or branched alkyl group, a C6-20 aryl group, or C6-20 aryl group substituted to a C1-10 alkyl group.
    • 目的:提供聚碳酸酯树脂组合物以提高热稳定性和耐候性,特别是可见光透射率,耐候性,热稳定性等。构成:聚碳酸酯树脂组合物包含聚碳酸酯树脂,基于化学式1中的第一苯并三唑的UV稳定剂 ,基于化学式2中的第二苯并三唑的紫外线稳定剂,基于化学式3中的铋酸盐的UV稳定剂和磷酸盐类热稳定剂。 在化学式中,R 1,R 2,R 3,R 4,R 5和R 6分别独立地为氢,C 1-20的直链或支链烷基,C 6-20芳基或被C 1〜 -10烷基。