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    • 91. 发明申请
    • MIXTURES OF HALS COMPOUNDS
    • HALS化合物的混合物
    • WO1992012201A1
    • 1992-07-23
    • PCT/EP1992000023
    • 1992-01-07
    • SANDOZ-PATENT-GMBHSANDOZ LTD.BECHTOLD, KarlLIGNER, GilbertWOLF, Rainer
    • SANDOZ-PATENT-GMBHSANDOZ LTD.
    • C08K05/3435
    • C08K5/3435C09D7/48
    • A composition, suitable for stabilising a polymeric composition against the effects of light, comprising: a) an N-acylated 2,2,6,6-tetraalkylpiperidinyl group (hereinafter N-acylated HALS) containing compound; and b) an N-oxy-subst. 2,2,6,6-tetraalkylpiperidinyl group (hereinafter N-oxy-subst. HALS) containing compound. A further aspect of the invention relates to a composition, suitable for stabilising a polymeric composition against the effects of light comprising: a) an N-acylated 2,2,6,6-tetraalkylpiperidinyl-group-containing compound in which a spiro group is attached in the 4-position (hereinafter defined as component i); and b) an N-acylated 2,2,6,6-tetraalkylpiperidinyl-group-containing compound in which in the 4-position no spiro group is present (hereinafter defined as component ii). The compounds are suitable as light stabilizers in acid catalyzed lacquer system.
    • 一种适于稳定聚合物组合物以抵抗光的影响的组合物,其包含:a)N-酰化的2,2,6,6-四烷基哌啶基(以下称为N-酰化HALS)的化合物; 和b)N-氧基。 2,2,6,6-四烷基哌啶基(以下称为N-氧基,HALS)。 本发明的另一方面涉及一种组合物,其适用于抵抗光的影响来稳定聚合组合物,其包含:a)N-酰化的2,2,6,6-四烷基哌啶基化合物,其中螺环是 4位(以下定义为组分i); 和b)其中存在4-位没有螺环的N-酰化的2,2,6,6-四烷基哌啶基化合物(以下称为组分ii)。 该化合物适用于酸催化漆体系中的光稳定剂。