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    • 29. 发明授权
    • Cure system for chlorinated elastomer compositions and a method of curing chlorinated elastomer compositions
    • 氯化弹性体组合物的固化体系和氯化弹性体组合物的固化方法
    • US07750088B2
    • 2010-07-06
    • US11817236
    • 2006-03-10
    • Raymond L. Laakso, Jr.Gary R. Marchand
    • Raymond L. Laakso, Jr.Gary R. Marchand
    • C08C19/20C08C19/22C08K5/3445C08K5/47C08J3/24
    • C08K5/34C08K5/46C08L11/00C08L23/286C08L23/28
    • The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion. The method for curing a chlorinated elastomer, composition according to instant invention includes the following steps: (1) providing a chlorinated elastomer composition; (2) providing a cure system composition as described above; (3) contacting said chlorinated elastomer composition with said cure system composition; and (4) thereby curing said chlorinated elastomer composition.
    • 本发明是改进的固化体系组合物和用于固化氯化弹性体组合物的方法。 固化体系组合物包括聚合物巯基交联剂,无机碱和季铵盐。 所述季铵盐具有选自由以下组成的组的式:R 1为含有4至12个碳原子的烷基或芳基; 其中R2和R3独立地为含有1至8个碳原子的烷基或芳基; 其中R2和R3上的碳原子总数在3和9之间; 其中R4和R5是甲基,R6是含有2-8个碳原子的烷基; 并且其中X是阴离子。 硫化弹性体的固化方法本发明的组合物包括以下步骤:(1)提供氯化弹性体组合物; (2)提供如上所述的固化体系组合物; (3)使所述氯化弹性体组合物与所述固化体系组合物接触; 和(4)由此固化所述氯化弹性体组合物。