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公开(公告)号：US5990232A
公开(公告)日：1999-11-23
申请号：US918207
申请日：1997-08-25
CPC分类号： C08G65/2663 , C08G18/4866 , C08G18/633 , C08G18/636 , C08G65/2615 , C08G65/2642 , C08L71/02
摘要： Unique, well defined polyethers containing both hydroxyl-functionality and unsaturation-functionality are prepared by oxyalkylating an unsaturated monomer having at least two free carboxylic acid groups in the presence of an effective amount of a double metal cyanide complex catalyst, optionally, when necessary, in the presence of a free radical polymerization inhibitor. The resulting polyethers are eminently suitable for such uses as polymer polyol stabilizers or stabilizer precursors, and both in situ and ex situ impact modifiers for thermoplastics.
摘要翻译： 含有羟基官能度和不饱和官能度的独特的，明确定义的聚醚通过在有效量的双金属氰化物配合物催化剂存在下，任选地，必要时，在至少两个游离羧酸基团的存在下，在 存在自由基聚合抑制剂。 所得聚醚特别适用于聚合物多元醇稳定剂或稳定剂前体以及热塑性塑料的原位和非原位冲击改性剂。
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公开(公告)号：US5854386A
公开(公告)日：1998-12-29
申请号：US918081
申请日：1997-08-25
CPC分类号： C08G18/635 , C08F2/40 , C08G18/636 , C08G65/10 , C08G65/2609 , C08G65/2615 , C08G65/2663 , C08G65/2696
摘要： Unique, well defined polyethers containing both hydroxyl-functionality and unsaturation-functionality are prepared by oxyalkylating an unsaturated monomer having at least one oxyalkylatable hydrogen in the presence of an effective amount of a double metal cyanide complex catalyst, optionally, when necessary, in the presence of a free radical polymerization inhibitor. The resulting polyethers are eminently suitable for such uses as polymer polyol stabilizers or stabilizer precursors, and both in situ and ex situ impact modifiers for thermoplastics.
摘要翻译： 含有羟基官能度和不饱和官能度的独特的，明确定义的聚醚通过在有效量的双金属氰化物配合物催化剂存在下，任选地，在必要时在存在下，使存在有至少一个可氧化烷基化氢的不饱和单体进行烷氧基化， 的自由基聚合抑制剂。 所得聚醚特别适用于聚合物多元醇稳定剂或稳定剂前体以及热塑性塑料的原位和非原位冲击改性剂。
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