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1.
公开(公告)号:US6046247A
公开(公告)日:2000-04-04
申请号:US110745
申请日:1998-07-02
申请人: Guiscard Gluck , Klaus Hahn , Udo Rotermund , Otto Volkert
发明人: Guiscard Gluck , Klaus Hahn , Udo Rotermund , Otto Volkert
CPC分类号: C08J9/0066 , C08G18/4812 , C08G2101/0025 , C08G2101/005 , C08J2375/04
摘要: Rigid polyurethane foams having a low thermal conductivity are produced by reactinga) organic and/or modified organic polyisocyanates withb) at least one compound containing at least 2 reactive hydrogen atoms in the presence ofc) blowing agents,d) catalysts and, if desired,e) auxiliaries and/or additives,wherein graphite is added to the component a) and/or b).
摘要翻译: 通过使a)有机和/或改性的有机多异氰酸酯与b)至少一种含有至少2个反应性氢原子的化合物在c)发泡剂,d)催化剂的存在下反应制备刚性聚氨酯泡沫,并且如果 所需的e)助剂和/或添加剂,其中将石墨加入到组分a)和/或b)中。
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公开(公告)号:US5908872A
公开(公告)日:1999-06-01
申请号:US174163
申请日:1998-10-16
申请人: Guiscard Gluck , Klaus Hahn , Achim Loffler , Maria Lorenz
发明人: Guiscard Gluck , Klaus Hahn , Achim Loffler , Maria Lorenz
CPC分类号: C08J9/16 , C08J2325/04
摘要: In a process for producing expandable styrene polymers containing graphite particles by polymerization of styrene in aqueous suspension in the presence of two peroxides which decompose at different temperatures, the peroxide which decomposes at lower temperature is multifunctional and on decomposition forms two or more linked polymer chains.
摘要翻译: 在通过在两种在不同温度下分解的过氧化物存在下在水悬浮液中聚合苯乙烯的可发性苯乙烯聚合物的制备方法,在较低温度下分解的过氧化物是多官能的,分解形成两个或多个连接的聚合物链。
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公开(公告)号:US6046245A
公开(公告)日:2000-04-04
申请号:US368412
申请日:1999-08-05
CPC分类号: C08J9/20 , C08J9/0023 , C08J9/0066 , C08J2325/04
摘要: In a process for producing preferably graphite-containing, expandable styrene polymers by polymerization of styrene in aqueous suspension in the presence of two peroxides which decompose at different temperatures, the peroxide which decomposes at the higher temperature is di-tert-amyl peroxide.
摘要翻译: 在通过在两种在不同温度下分解的过氧化物存在下在水性悬浮液中聚合苯乙烯的优选含石墨的可发性苯乙烯聚合物的方法中,在较高温度下分解的过氧化物是二叔戊基过氧化物。
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公开(公告)号:US5880166A
公开(公告)日:1999-03-09
申请号:US58899
申请日:1998-04-13
申请人: Guiscard Gluck , Klaus Hahn , Rolf Henn , Karl-Heinz Wassmer , Hermann Gausepohl , Konrad Knoll , Karl-Heinz Batscheider
发明人: Guiscard Gluck , Klaus Hahn , Rolf Henn , Karl-Heinz Wassmer , Hermann Gausepohl , Konrad Knoll , Karl-Heinz Batscheider
CPC分类号: C08J9/16 , C08L25/06 , C08L51/04 , C08L53/02 , C08J2351/04
摘要: Expandable, rubber-modified styrene polymers for elastic polystyrene foams comprisea) a continuous phase comprising polystyrene or a styrene copolymer containing at most 50% of copolymerized comonomers andb) from 5 to 30% by weight of a butadiene-styrene block copolymer dispersed therein,and also a low-boiling blowing agent. The rubber particles have a compact lamellar structure without polystyrene inclusions. The expandable styrene polymers are prepared by polymerization of styrene in the presence of the block copolymer and impregnation with the blowing agent.
摘要翻译: 用于弹性聚苯乙烯泡沫的可膨胀的橡胶改性的苯乙烯聚合物包括a)包含聚苯乙烯或含有至多50%的共聚单体的苯乙烯共聚物的连续相,和b)分散在其中的5-30重量%的丁二烯 - 苯乙烯嵌段共聚物 ,还有低沸点发泡剂。 橡胶颗粒具有紧密的层状结构而没有聚苯乙烯夹杂物。 可发性苯乙烯聚合物通过在嵌段共聚物存在下苯乙烯的聚合和用发泡剂浸渍来制备。
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