Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for
synthetic polymers
    14.
    发明授权
    Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for synthetic polymers 失效
    双(2,2,6,6-四甲基 - 哌啶基)二酰亚胺作为合成聚合物的光稳定剂

    公开(公告)号:US4798836A

    公开(公告)日:1989-01-17

    申请号:US113296

    申请日:1987-10-26

    摘要: Bis-(2,2,6,6-tetramethyl-piperidyl)diimides are provided, having the formula: ##STR1## in which R is selected from the group consisting of hydrogen; oxyl; alkyl and alkenyl having from one to about eighteen carbon atoms; epoxy and hydroxyalkyl having from two to about eight carbon atoms; acyl having from two to about eight carbon atoms; and phenalkyl having from seven to about twelve carbon atoms; and Z is a tetravalent aliphatic or cycloaliphatic hydrocarbon group having from two to about eighteen carbon atoms; and stabilizer and synthetic polymer compositions containing such diimides having improved resistance to deterioration when exposed to light.

    摘要翻译: 提供了二 - (2,2,6,6-四甲基 - 哌啶基)二酰亚胺,具有下式:其中R选自氢; 氧基 具有1至约18个碳原子的烷基和链烯基; 环氧基和具有2至约8个碳原子的羟烷基; 具有2至约8个碳原子的酰基; 和具有7至约12个碳原子的苯烷基; Z是具有2至约18个碳原子的四价脂族或脂环族烃基; 以及含有这样的二酰亚胺的稳定剂和合成聚合物组合物,当暴露于光时具有改善的耐劣化性。

    Hindered bis-phenol phenyl phosphites and synthetic resin compositions
having enhanced stability to heat and light
    17.
    发明授权
    Hindered bis-phenol phenyl phosphites and synthetic resin compositions having enhanced stability to heat and light 失效
    受阻的双酚苯基亚磷酸酯和对热和光具有增强的稳定性的合成树脂组合物

    公开(公告)号:US4362830A

    公开(公告)日:1982-12-07

    申请号:US220406

    申请日:1980-12-29

    摘要: Hindered bis-phenol phenyl phosphites are provided having the structure: ##STR1## wherein: R is selected from the group consisting of alkyl having from one up to about eighteen carbon atoms; cycloalkyl having from three up to about twelve carbon atoms; alkaryl and aryl having from six to about eighteen carbon atoms; preferably, a bulky group such as iso, secondary or tertiary alkyl having from three to about ten carbon atoms; or cycloalkyl having six to twelve carbon atoms;R.sub.1 and R.sub.2 are each selected from the group consisting of hydrogen; alkyl having from one to about eighteen carbon atoms; cycloalkyl having from three up to about twelve carbon atoms; alkaryl and aryl having from six to about eighteen carbon atoms; and are preferably in a position ortho to a phenolic hydroxyl or phenoxy group, if available;R.sub.3 is alkylene having from one to about six carbon atoms;R.sub.4 is selected from the group consisting of alkylene, cycloalkylene, and aralkylene, the residue of a monohydric or polyhydric alcohol, having from one to about eighteen carbon atoms, and from none to three hydroxyl groups (originally one to four hydroxyl groups);Y is selected from the group consisting of a direct carbon to carbon bond; thio sulfur --S--; oxy oxygen --O--; alkylidene having from one to about six carbon atoms; and cycloalkylidene having from four to about eight carbon atoms; andn is 1, 2, 3, or 4, according to the valence of R.sub.4 ; as well as synthetic resin compositions having an enhanced resistance to deterioration by heat and/or light due to the presence of an organic phosphite of this class.

    摘要翻译: 提供具有以下结构的受阻双酚苯基亚磷酸酯:其中:R选自具有一至多十八个碳原子的烷基; 具有三个至多十二个碳原子的环烷基; 具有6至约18个碳原子的烷芳基和芳基; 优选大体积基团,例如具有3至约10个碳原子的异,仲或叔烷基; 或具有6至12个碳原子的环烷基; R1和R2各自选自氢; 具有1至约18个碳原子的烷基; 具有三个至多十二个碳原子的环烷基; 具有6至约18个碳原子的烷芳基和芳基; 并且优选在酚羟基或苯氧基的邻位的位置(如果有的话); R3是具有1至约6个碳原子的亚烷基; R 4选自亚烷基,亚环烷基和亚芳烷基,具有1至约18个碳原子的一元醇或多元醇的残基,以及不至三个羟基(最初1-4个羟基); Y选自直接碳 - 碳键; 硫硫-S-; 氧氧-O- 具有1至约6个碳原子的亚烷基; 和具有4至约8个碳原子的亚环烷基; 根据R4的化合价,n为1,2,3或4; 以及由于存在该类有机亚磷酸酯而具有增强的抗热和/或光劣化性的合成树脂组合物。

    Stabilized composition comprising a dihydric alcohol thiodipropionic
acid ester
    18.
    发明授权
    Stabilized composition comprising a dihydric alcohol thiodipropionic acid ester 失效
    包含二元醇硫代二丙酸酯的稳定组合物

    公开(公告)号:US4321191A

    公开(公告)日:1982-03-23

    申请号:US83791

    申请日:1979-10-11

    CPC分类号: C08K5/109 C08K5/372

    摘要: Stabilizer compositions are provided to increase the resistance of a synthetic resin to deterioration upon heating, comprising in combination (A) a thiodipropionic acid ester of a dihydric alcohol having 2 to 20 carbon atoms and an alcohol or carboxylic acid chain terminator having 1 to 21 carbon atoms, and (B) a 700 to about 10,000 molecular weight ester of a polyhydric phenol with carbonic acid or with carbonic acid and another acid which can be an aliphatic dicarboxylic acid, phosphorous acid, phosphoric acid, boric acid, or an organophosphonic acid.Synthetic resins that can be stabilized with composition of the invention include polymers of alpha-olefins having 2 to 6 carbon atoms, vinyl chloride polymers, acrylonitrile-butadiene-styrene polymers, and terephthalic acid ester polymers.

    摘要翻译: 提供稳定剂组合物以增加合成树脂在加热时的劣化,包括(A)具有2至20个碳原子的二元醇的硫代二丙酸酯和具有1至21个碳的醇或羧酸链终止剂 原子,和(B)700至约10,000分子量的多元酚与碳酸或碳酸和另一种酸可以是脂族二羧酸,亚磷酸,磷酸,硼酸或有机膦酸的分子量。 可用本发明组合物稳定的合成树脂包括具有2至6个碳原子的α-烯烃的聚合物,氯乙烯聚合物,丙烯腈 - 丁二烯 - 苯乙烯聚合物和对苯二甲酸酯聚合物。