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    • 37. 发明申请
    • INTERNAL MOLD RELEASE COMPOSITIONS CONTAINING PHOSPHATE ESTERS
    • 含有磷酸酯的内部模具释放组合物
    • WO1998003582A1
    • 1998-01-29
    • PCT/EP1997003801
    • 1997-07-16
    • ESSILOR INTERNATIONAL COMPAGNIE GENERALE D'OPTIQUE
    • ESSILOR INTERNATIONAL COMPAGNIE GENERALE D'OPTIQUETURSHANI, Yassin, YusefNEUZIL, Richard, William, Jr.BORYSLAWSKI, Joseph
    • C08K05/521
    • G02B1/041B29C33/60C08G18/3876C08G18/3885C08G2125/00C08K5/521C08L75/04C08L2666/40
    • Internal mold release compositions for molding polyurethane and polythiourethane is disclosed herein. The composition includes mixture of: (a) a mono C2-C6 alkyl phosphate; (b) a di C2-C6 alkyl phosphate, wherein the alkyl groups of the di-alkyl phosphate may be the same or different, and wherein the alkyl groups of the mono- and di-alkyl phosphate may be the same or different; and (c) a C7-C18 mono- and/or di-alkyl phosphate. Also disclosed is a polymerizable composition which includes (a) one or more monomers containing two or more isocyanate groups; (b) one ore more monomers containing two or more functional groups selected from a thiol group and a hydroxyl group; (c) a mixture of a mono- C2-C6 alkyl phosphate and a di- C2-C6 alkyl phosphate, wherein the alkyl groups of the di-alkyl phosphate may be the same or different and wherein the alkyl groups of the mono- and di-alkyl phosphate mixture may be the same or different, wherein the mono- C2-C6 alkyl phosphate is present in an amount of >/= 20 wt.%, based on the total weight of the mixture of the mono- C2-C6 alkyl phosphate and the di- C2-C6 alkyl phosphate. The composition can also optionally include the C7-C18 mono- and/or di-alkyl phosphate.
    • 本文公开了用于模塑聚氨酯和聚硫氨酯的内部脱模组合物。 该组合物包括以下混合物:(a)单C 2 -C 6烷基磷酸酯; (b)二C 2 -C 6烷基磷酸酯,其中磷酸二烷基酯的烷基可以相同或不同,并且其中磷酸二烷基酯和二烷基酯的烷基可以相同或不同; 和(c)C7-C18单 - 和/或二 - 烷基磷酸酯。 还公开了一种可聚合组合物,其包含(a)一种或多种含有两个或更多个异氰酸酯基团的单体; (b)一个或多个含有选自硫醇基和羟基的两个或多个官能团的单体; (c)一种C 2 -C 6烷基磷酸酯和一种磷酸二-C 2 -C 6烷基酯的混合物,其中二烷基磷酸酯的烷基可以相同或不同,并且其中单 - 和 二烷基磷酸酯混合物可以相同或不同,其中基于单-C2-C6的混合物的总重量,单C2-C6烷基磷酸酯的存在量为> / = 20重量% 磷酸烷基酯和磷酸二-C2-C6烷基酯。 组合物还可以任选地包括C7-C18单 - 和/或二 - 烷基磷酸酯。