首页> 外国专利> Production of cellular plastics by the polyisocyanate polyaddition process, and low-boiling, fluorinated or perfluorinated, tertiary alkylamines as blowing agent-containing emulsions for this purpose

Production of cellular plastics by the polyisocyanate polyaddition process, and low-boiling, fluorinated or perfluorinated, tertiary alkylamines as blowing agent-containing emulsions for this purpose

机译:为此,通过多异氰酸酯加聚工艺生产泡沫塑料,以及低沸点的氟化或全氟化叔烷基胺作为含发泡剂的乳液

摘要

A process for the production of cellular plastics by the polyisocyanate polyaddition process, by reactingPPa) an organic and/or modified organic polyisocyanate withPPb) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and, if desired,PPc) a low-molecular-weight chain extender and/or crosslinking agent,P Pin the presence ofPPd) a blowing agentP Pe) a catalyst andPPf) assistants and/or additives,PPwherein the blowing agent (d) usedP Pd1) a low-boiling, fluorinated or perfluorinated tertiary alkylamine, orPPa mixture of (d1) and at least one physical or chemical blowing agent (d2) which is different from (d1), and blowing agent-containing emulsions comprising the abovementioned blowing agent (d1) or a blowing agent mixture of (d1) and (d2) and the starting components (a), (b), (c) or (b) and (c).
机译:一种通过多异氰酸酯加聚法生产泡沫塑料的方法,方法是使a)有机和/或改性有机多异氰酸酯与p)b)至少一种相对高分子量的物质反应含有至少两个反应性氢原子的化合物,以及如果需要的话

c)低分子量扩链剂和/或交联剂,

< P> d)发泡剂

e)催化剂和

f)助剂和/或添加剂,

其中使用的发泡剂(d)

< P> d1)低沸点,氟化或全氟化叔烷基胺,或(d1)与至少一种不同于(d1)的物理或化学发泡剂(d2)的混合物,并发泡包含上述发泡剂(d1)或(d1)和(d2)的发泡剂混合物以及起始组分(a),(b),(c)或(b)和(c)的含助剂的乳液。

著录项

  • 公开/公告号US5187206A

    专利类型

  • 公开/公告日1993-02-16

    原文格式PDF

  • 申请/专利权人 BASF AKTIENGESELLSCHAFT;

    申请/专利号US19920892874

  • 发明设计人 WALTER MAURER;OTTO VOLKERT;

    申请日1992-06-03

  • 分类号C08J9/14;

  • 国家 US

  • 入库时间 2022-08-22 04:58:48

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