Biphosphites
    1.
    发明授权
    Biphosphites 失效
    二亚磷酸酯

    公开(公告)号:US5308902A

    公开(公告)日:1994-05-03

    申请号:US882993

    申请日:1992-05-14

    摘要: Biphosphites of formula I ##STR1## wherein m is 0, 1 or 2,n is 1 to 4 or 6,R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and, if m=2, the radicals R.sub.1 are identical or different, and A is the radical of an at least n-hydric alcohol or phenol, which radical is attached to the P atom or atoms through the alcoholic or phenolic O atom or atoms, obtainable by reacting a compound of formula II ##STR2## wherein m is 0, 1 or 2, R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and, if m=2, the radicals R.sub.1 are identical or different and R.sub.2 ' is phenyl, C.sub.1 -C.sub.12 alkylphenyl or C.sub.1 -C.sub.4 alkyl, with a polyether polyol or polyether/ester polyol, the hydroxy functions of said polyether polyol or polyether/ester polyol being partially or completely esterified with the ##STR3## are suitable for use as stabilizers, especially processing stabilizers, for organic polymers, preferably PVC resins, high density polyethylene and propylene.

    摘要翻译: 式I的亚磷酸酯其中m为0,1或2,n为1至4或6,R 1为氢或C 1 -C 4烷基,如果m = 2,基团R 1相同或不同,并且 A是至少n-羟基醇或苯酚的基团,其基团通过醇或酚O原子或原子连接到P原子或原子上,可通过使式II的化合物(II)与式 m为0,1或2,R1为氢或C1-C4烷基,如果m = 2,基团R1相同或不同,R2'为苯基,C1-C12烷基苯基或C1-C4烷基,与聚醚多元醇或聚醚/ 酯多元醇,所述聚醚多元醇或聚醚/酯多元醇的羟基官能团与“IMAGE”部分或完全酯化,适用于有机聚合物,优选PVC树脂,高密度聚乙烯和丙烯的稳定剂,特别是加工稳定剂。

    Thermoplastic moulding compositions
    2.
    发明授权
    Thermoplastic moulding compositions 失效
    热塑性成型组合物

    公开(公告)号:US4131595A

    公开(公告)日:1978-12-26

    申请号:US769357

    申请日:1977-02-16

    IPC分类号: C08L67/00 C08L67/02 C08K3/40

    CPC分类号: C08L67/02

    摘要: Copolyesters of terephthalic acid, 1,4-butanediol and an aliphatic dicarboxylic acid of the formula Ihooc--r--cooh (i)wherein R represents a divalent aliphatic hydrocarbon group containing not more than 34 carbon atoms, are eminently suitable as impact modifiers for polyalkylene terephthalates for improving the toughness properties.

    摘要翻译: 对苯二甲酸,1,4-丁二醇和式I的脂族二羧酸HOOC-R-COOH(I)的共聚酯,其中R表示含有不超过34个碳原子的二价脂族烃基,其优选适用作为抗冲改性剂 聚对苯二甲酸亚烷基酯用于改善韧性。

    Novel organic antimony-sulfur compounds and their use as stabilizers for
chlorine-containing thermoplasts
    3.
    发明授权
    Novel organic antimony-sulfur compounds and their use as stabilizers for chlorine-containing thermoplasts 失效
    新型有机锑硫化合物及其作为含氯热塑性塑料稳定剂的用途

    公开(公告)号:US4367304A

    公开(公告)日:1983-01-04

    申请号:US203939

    申请日:1980-11-04

    IPC分类号: C07F9/90 C08K5/59 C07F9/92

    CPC分类号: C07F9/902 C08K5/59

    摘要: Compounds of the formula I, II, III or IV ##STR1## wherein X is halogen, OH, --OR.sup.1, --OOCR.sup.2, --OOC--R.sup.4 --COOR.sup.3 or --N(R.sup.5)(R.sup.6), or the two X groups together form a group --O--R.sup.9 --O-- or --OOC--R.sup.9 --COO--, Y has one of the meanings given for X, or it is --NHR.sup.5, --NHNH.sub.2 or --NHNH-phenyl, Z has one of the meanings given for X, or is --SR, and R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.9 and R' are organic radicals having the meanings defined hereinbelow, are thermal stabilizers for chlorine-containing thermoplastics particularly for PVC. Their effect can be further intensified by the addition of co-stabilizers.

    摘要翻译: 式I,II,III或IV的化合物其中X为卤素,OH,-OR1,-OOCR2,-OOC-R4-COOR3或-N(R5)(R6)或两个X基团一起形成 基团-O-R9-O-或-OOC-R9-COO-,Y具有对X给出的含义之一,或者是-NHR5,-NHNH2或-NHNH-苯基,Z具有给定的含义之一 X或-SR,并且R,R 1,R 2,R 3,R 4,R 5,R 6,R 9和R'是具有下面定义的含义的有机基团,是含氯热塑性塑料特别是PVC的热稳定剂。 通过加入共稳定剂可以进一步增强其效果。