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    • 3. 发明授权
    • Storage-stable emulsions for producing fine-celled rigid foams based on
isocyanate
    • 用于生产基于异氰酸酯的细胞刚性泡沫的储存稳定的乳液
    • US5916480A
    • 1999-06-29
    • US159976
    • 1998-09-24
    • Udo RotermundMarion HeinzAnja BiedermannRenate HempelWerner Wiegmann
    • Udo RotermundMarion HeinzAnja BiedermannRenate HempelWerner Wiegmann
    • C08J9/00B01F17/34C08G18/00C08G18/28C08G18/34C08G18/40C08G18/42C08G18/66C08G101/00C08J9/14C08K3/00
    • C08J9/141C08G18/6607C08G2101/0025C08G2101/0058C08J2205/10C08J2375/04
    • Blowing agent-containing emulsions comprisea) compounds containing hydrogen atoms which are reactive toward isocyanates,b) blowing agents,c) catalysts, auxiliaries and/or additives which are customary in polyurethane chemistry, wherein the blowing agents b) are present as an emulsion in the components a) and c), and polyester alcohols having the following structure are used as emulsification aids: ##STR1## where m=0-15n=0-1o=0-15p=0-1q=0-15r=0-1s=0-15t=0-1u=0-10v=0-15x=1-5y=1-4 or mixtures of 1-3 where r+n.noteq.0z=0-3z.sub.i =0.1-3R.sub.1 is an aliphatic structure without OH groups, based on the structure of polyhydric alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol and dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,3-butanediol, trimethylolpropane, trimethylol ethane, glycerol, pentaerythritol, where these substances can also be used as any mixture with one another in the esterification and R.sub.1 can therefore also be a mixture of the corresponding structures,R.sub.2 is the radical of a polycarboxylic acid without COOH groups, eg. adipic acid, terephthalic acid, o-phthalic acid,R.sub.3 is an alcohol radical like R.sub.1.
    • 含发泡剂的乳液包括a)含有对异氰酸酯具有反应性的氢原子的化合物,b)发泡剂,c)在聚氨酯化学中常用的催化剂,助剂和/或添加剂,其中发泡剂b)作为乳液存在 在组分a)和c)中,具有以下结构的聚酯醇用作乳化助剂:其中m = 0-15n = 0-1 o = 0-15 p = 0-1 q = 0-15 r = 0-1 s = 0-15 t = 0-1 u = 0-10 v = 0-15 x = 1-5 y = 1-4或1-3的混合,其中r + n NOTEQUAL 0 z = 0-3 zi = 0.1-3 R1是不含OH基团的脂肪族结构,基于多元醇的结构,优选乙二醇,二甘醇,三甘醇,1,2-丙二醇和二丙二醇,1,4-丁二醇, 6-己二醇,新戊二醇,1,3-丁二醇,三羟甲基丙烷,三羟甲基乙烷,甘油,季戊四醇,其中这些物质也可以作为彼此在酯化中的任何混合物使用,因此, 因此是相应结构的混合物,R2是不含COOH基团的多元羧酸的基团,例如。 己二酸,对苯二甲酸,邻苯二甲酸,R3是如R1的醇基。
    • 5. 发明授权
    • Open-celled rigid foams based on isocyanate
    • 基于异氰酸酯的开孔刚性泡沫
    • US5880168A
    • 1999-03-09
    • US159924
    • 1998-09-24
    • Marion HeinzWerner WiegmannUdo RotermundAnja BiedermannMichael Reichelt
    • Marion HeinzWerner WiegmannUdo RotermundAnja BiedermannMichael Reichelt
    • C08J9/02C08G18/28C08G18/48C08G18/66C08G101/00C08J9/14C08G18/34
    • C08J9/149C08G18/482C08G18/6607C08G18/6696C08J9/141C08G2101/0025C08G2101/0058C08G2330/50C08J2203/14C08J2203/142C08J2205/05C08J2205/10C08J2375/04F25D2201/1262F25D2201/14
    • In a process for producing open-celled rigid foams by reactinga) polyisocyanates withb) compounds containing hydrogen atoms which are reactive toward isocyanates, in the presence ofc) water,d) if desired, organic compounds acting as physical blowing agents,e) catalysts, auxiliaries and/or additives,the compounds containing reactive hydrogen atoms used are substances having the structure I: ##STR1## where m is 0-15n is 0-1o is 0-15p is 0-1q is 0-15r is 0-1s is 0-15t is 0-1u is 0-10v is 0-15x is 1-5y is 1-4 or mixtures of 1-3 where r+n.noteq.0z is 0-3z.sub.i is 0.1-3R.sub.1 is an aliphatic structure without OH groups based on the structure of polyhydric alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol and dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,3-butanediol, trimethylolpropane, trimethylolethane, glycerol, pentaerythritol, where these substances can also be used in the esterification as any mixture among one another and R.sub.1 can therefore also be a mixture of the corresponding structures,R.sub.2 is the radical of a polycarboxylic acid without COOH groups, eg. adipic acid, terephthalic acid, o-phthalic acid,R.sub.3 is an alcohol radical like R.sub.1.
    • 在一种生产开孔刚性泡沫的方法中,通过使a)多异氰酸酯与b)在c)水存在下,含有对异氰酸酯反应的氢原子的化合物,d)如果需要,作为物理发泡剂的有机化合物,e )催化剂,助剂和/或添加剂,含有反应性氢原子的化合物是具有结构I的物质:0-1 q是0-15 r是0-1 s是0-15 t是0-1 u是0 -10 v是0-15 x是1-5 y是1-4或1-3的混合物,其中r + n是等于0 z是0-3 zi是0.1-3 R1是没有OH基团的脂肪族结构,基于 多元醇的结构,优选乙二醇,二甘醇,三甘醇,1,2-丙二醇和二丙二醇,1,4-丁二醇,1,6-己二醇,新戊二醇,1,3-丁二醇,三羟甲基丙烷,三羟甲基乙烷, 甘油,季戊四醇,其中这些物质也可以在酯化中用作彼此和R1之间的任何混合物,因此可以是 o是相应结构的混合物,R2是不含COOH基团的多元羧酸的基团,例如。 己二酸,对苯二甲酸,邻苯二甲酸,R3是如R1的醇基。