Flame-resistant intumescent mixtures

    公开(公告)号:US07087670B2

    公开(公告)日:2006-08-08

    申请号:US10276866

    申请日:2001-05-07

    IPC分类号: G08K3/04 G08K3/18 G09K21/06

    CPC分类号: C08K3/04 C08K7/24

    摘要: The invention relates to mixtures containing a) a polymer which may be produced from ethylene, vinyl acetate and optionally further monomers having a vinyl acetate content in the range of 40 to 85 wt. %, b) at least one expandable graphite which may be acidic or neutralised, c) at least one mineral filler, d) optionally further additives, a process for producing them, their use for the production of shaped articles of any type, and flame-retardant intumescent mixtures containing a mixture according to the invention and, furthermore, shaped articles containing a mixture according to the invention.

    Production of flame resistant, halogen-free polyurethane/polyureas
    30.
    发明授权
    Production of flame resistant, halogen-free polyurethane/polyureas 失效
    生产阻燃,无卤聚氨酯/聚脲

    公开(公告)号:US5639800A

    公开(公告)日:1997-06-17

    申请号:US623037

    申请日:1996-03-28

    摘要: In the production of a flame resistant, halogen-free polyurethane/polyurea from a polyisocyanate and polyol, wherein to the mixture of polyisocyanate and polyol there is added an amine adduct of an acidic metal salt of the formulaA.sub.1-3 B.sub.0-12 P.sub.3-9 N.sub.4-12 M.sub.0-9 xH.sub.2 O(I),in whichA denotes at least one hydroxide or oxide of a metal selected from the group consisting of aluminum, magnesium, calcium and zinc,B denotes o-boric acid,P denotes an acid containing phosphorus,N denotes at least one of an amine or ammonia,M denotes an alkali metal hydroxide andx denotes an integer from 0 to 90.The products are especially flame resistant foams.

    摘要翻译: 在制备来自多异氰酸酯和多元醇的阻燃的无卤聚氨酯/聚脲中,其中向多异氰酸酯和多元醇的混合物中加入式A1-3B0-12P3-9N4-的酸性金属盐的胺加合物, 12M0-9xH2O(I),其中A表示选自铝,镁,钙和锌的金属的至少一种氢氧化物或氧化物,B表示邻硼酸,P表示含磷酸,N表示 胺或氨中的至少一种,M表示碱金属氢氧化物,x表示0至90的整数。该产品特别是阻燃泡沫。