Stabilization of polyamide, polyester and polyketone
    1.
    发明授权
    Stabilization of polyamide, polyester and polyketone 失效
    聚酰胺,聚酯和聚酮的稳定化

    公开(公告)号:US5763512A

    公开(公告)日:1998-06-09

    申请号:US823264

    申请日:1997-03-24

    申请人: Andre Schmitter

    发明人: Andre Schmitter

    CPC分类号: C08K5/527 C08K5/005 C08K5/13

    摘要: This invention relates to compositions comprising a polyamide, polyester or polyketone, a specific organic phosphite (Irgafos.RTM.12, Ciba-Geigy) and a sterically hindered phenol such as Irganox.RTM.1098, Irganox.RTM.1076, Irganox.RTM.1010, Irganox.RTM.245, Irganox.RTM.259, Irganox.RTM.1035, Irganox.RTM.3114 or Irganox.RTM.3125 (Ciba-Geigy), to the use thereof for stabilising polyamide, polyester or polyketone against oxidative, thermal and/or light-induced degradation, as well as to a process for stabilising these plastic materials.

    摘要翻译: 本发明涉及包含聚酰胺,聚酯或聚酮,特定有机亚磷酸酯(Irgafos TM 12,Ciba-Geigy)和空间位阻酚如Irganox TM 1098,Irganox TM 1076,Irganox TM 1010,Irganox TM 245,Irganox TM 259,Irganox TM 1035,Irganox TM 3114或Irganox TM 3125(Ciba-Geigy),用于稳定聚酰胺,聚酯或聚酮以抵抗氧化,热和/或光诱导的降解,以及用于 稳定这些塑料材料。

    Dimeric benzotriazoles as UV absorbers
    4.
    发明授权
    Dimeric benzotriazoles as UV absorbers 失效
    二苯基三唑作为紫外线吸收剂

    公开(公告)号:US5488112A

    公开(公告)日:1996-01-30

    申请号:US392638

    申请日:1995-02-22

    摘要: The invention relates to dimeric 2-(2'-hydroxyphenyl)benzotriazoles of the formula I ##STR1## in which p is 0 or 1; is C.sub.1 -C.sub.12 alkylene;R.sub.1 and R'.sub.1, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.18 aklyl, C.sub.1 -C.sub.18 alkoxy or --CN;R.sub.2 and R'.sub.2, independently of one another, are hydrogen or C.sub.1 -C.sub.18 alkyl or together are C.sub.2 -C.sub.12 alkylene or C.sub.2 -C.sub.12 hydroxyalkylene; andR.sub.3 and R'.sub.3, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.18 alkyl or C.sub.1 -C.sub.18 alkoxy.The compounds of formula I are highly suitable for the stabilization of organic material against the harmful effects of heat, oxygen and light, in particular UV radiation.

    摘要翻译: 本发明涉及式I(I)的二聚2-(2'-羟基苯基)苯并三唑,其中p为0或1; 是C 1 -C 12亚烷基; R 1和R'1彼此独立地是氢,卤素,C 1 -C 18烷基,C 1 -C 18烷氧基或-CN; R2和R'2彼此独立地是氢或C1-C18烷基或一起是C2-C12亚烷基或C2-C12-羟基亚烷基; 和R 3和R'3彼此独立地是氢,卤素,C 1 -C 18烷基或C 1 -C 18烷氧基。 式I的化合物非常适合于有机材料的稳定化,以抵抗热,氧和光,特别是UV辐射的有害影响。

    Process for the stabilization of spherically polymerized polyolefins
    5.
    发明授权
    Process for the stabilization of spherically polymerized polyolefins 失效
    稳定球形聚烯烃的方法

    公开(公告)号:US4708979A

    公开(公告)日:1987-11-24

    申请号:US856083

    申请日:1986-04-25

    摘要: Spherically polymerized polyolefins can be advantageously stabilized by being treated with at least one emulsion or dispersion containing a stabilizer or a mixture of stabilizers and an amine of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.20 alkyl which may be substituted by --OH, or is C.sub.3 -C.sub.50 alkyl which is interrupted by one or more oxygen atoms, or is C.sub.1 -C.sub.8 alkoxy, and each of R.sub.2 and R.sub.3 independently of the other is hydrogen or has one of the meanings indicated for R.sub.1, or R.sub.2 and Rphd 3, together with the nitrogen atom to which they are attached, form a 5- to 7-membered heterocyclic ring.

    摘要翻译: 球形聚合的聚烯烃可以有利地通过用至少一种含有稳定剂或稳定剂和式I的混合物的乳液或分散体处理来稳定化,其中R 1是可以被-OH取代的C 1 -C 20烷基 或者是被一个或多个氧原子中断的C 3 -C 50烷基,或者是C 1 -C 8烷氧基,R 2和R 3各自独立地是氢或具有对R 1或R 2和Rph 3表示的含义之一, 与它们所连接的氮原子一起形成5-至7-元杂环。

    Process for the manufacture of foams from epoxide resins
    7.
    发明授权
    Process for the manufacture of foams from epoxide resins 失效
    从环氧树脂制造泡沫的方法

    公开(公告)号:US4031043A

    公开(公告)日:1977-06-21

    申请号:US597607

    申请日:1975-07-21

    CPC分类号: C08J9/105 C08J2363/00

    摘要: The invention relates to a process for the manufacture of foams by warming the mixture to be foamed in the presence of an organic sulphohydrazide, an organic compound which contains amide groups and a salt of a metal of group IIa or IIb of the Periodic Table. Integral or non-integral foams having a uniform and fine pore structure are obtained.

    摘要翻译: 本发明涉及通过在有机磺酰肼,含有酰胺基团的有机化合物和元素周期表IIa或IIb族金属的盐的存在下加热要发泡的混合物来制造泡沫的方法。 获得具有均匀和细孔结构的整体或非整体泡沫。