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公开(公告)号：US5968992A
公开(公告)日：1999-10-19
申请号：US136224
申请日：1998-08-19
CPC分类号： C08J11/24 , C08G18/765 , C08G18/831 , C08J2375/04 , Y02W30/706
摘要： In a process for reducing the primary amine content of a composition comprising at least one polyol, in which a composition comprising at least one polyol is admixed with at least one isocyanate which contains only secondary and/or tertiary, aliphatically bound isocyanate groups, isocyanate is added in an amount of up to 5% by weight, based on the total composition, and a polyol preparation is obtained.
摘要翻译： 在降低包含至少一种多元醇的组合物的伯胺含量的方法中，其中包含至少一种多元醇的组合物与至少一种仅含有二级和/或三级脂族结合的异氰酸酯基团的异氰酸酯混合，异氰酸酯是 基于总组合物添加至多5重量％的量，并获得多元醇制剂。
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公开(公告)号：US5556889A
公开(公告)日：1996-09-17
申请号：US565207
申请日：1995-10-06
申请人： Bernhard Naber , Maritta Lezius
发明人： Bernhard Naber , Maritta Lezius
CPC分类号： C08J11/24 , C08J2375/04 , Y02W30/706
摘要： The invention relates to a process for the preparation of recyclate polyols by reacting rigid polyurethane foam with short-chain hydroxyl-containing compounds, which comprises adding at least one epoxidized native fatty oil to the reaction mixture after glycolysis at a temperature from 10.degree. to 80.degree. C. below the glycolysis temperature.
摘要翻译： 本发明涉及通过使刚性聚氨酯泡沫与短链含羟基化合物反应制备回收多元醇的方法，该方法包括在糖酵解后在10℃至80℃的温度下向反应混合物中加入至少一种环氧化天然脂肪油 ℃以下糖酵解温度。
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公开(公告)号：US6087409A
公开(公告)日：2000-07-11
申请号：US69412
申请日：1998-04-29
申请人： Bernhard Naber , Werner Schmiade , Michael Gassan
发明人： Bernhard Naber , Werner Schmiade , Michael Gassan
CPC分类号： C08J11/24 , C08G18/4812 , C08G18/831 , C08G2101/0025 , C08J2375/04 , Y02W30/706
摘要： In a process for producing rigid polyurethane foams by reactinga) polyisocyanatesb) compounds containing at least two hydrogen atoms capable of reacting with isocyanate groups, in the presence ofc) catalysts,d) blowing agents and, if desired,e) further auxiliaries and/or additives,the component b) comprises at least one recycled polyol which is formed by glycolysis of polyurethanes.
摘要翻译： 在制备刚性聚氨酯泡沫体的方法中，通过使a）多异氰酸酯b）在c）催化剂存在下，含有至少两个能够与异氰酸酯基反应的氢原子的化合物，d）发泡剂，如果需要，e）另外的助剂 和/或添加剂，组分b）包含至少一种通过聚氨酯的糖酵解形成的再循环多元醇。
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4.发明授权Recycling of plastic waste containing a mixture of polyurethanes with other plastics 失效回收含有聚氨酯与其他塑料混合物的塑料废物
公开(公告)号：US6069182A
公开(公告)日：2000-05-30
申请号：US610196
申请日：1996-02-28
申请人： Bernhard Naber , Vera Neiss , Michael Gassan , Werner Deutsch
发明人： Bernhard Naber , Vera Neiss , Michael Gassan , Werner Deutsch
CPC分类号： C08J11/24 , C08J11/04 , C08J2375/04 , Y02P20/143 , Y02W30/70 , Y02W30/706
摘要： A process for recycling plastic waste containing a mixture of polyurethanes and other plastics, comprises reacting the plastic waste with an alcohol mixture comprising at least one low-molecular-weight, at least difunctional alcohol and at least one polyether-polyol, and then separating the resultant glycolysis polyol mechanically from the other plastic waste.
摘要翻译： 回收包含聚氨酯和其它塑料混合物的塑料废料的方法包括使塑料废料与包含至少一种低分子量至少二官能醇和至少一种聚醚多元醇的醇混合物反应，然后将 从其他塑料废物机械地生成糖酵解多元醇。
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5.发明授权Production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage 失效生产具有增加比例的开孔和缩小收缩率的刚性至半刚性聚氨酯泡沫
公开(公告)号：US5654344A
公开(公告)日：1997-08-05
申请号：US415822
申请日：1995-04-03
申请人： Peter Falke , Inge Rotermund , Bernhard Naber
发明人： Peter Falke , Inge Rotermund , Bernhard Naber
IPC分类号： C08G18/08 , C08G18/00 , C08G18/28 , C08G18/40 , C08G18/83 , C08G101/00 , C08J11/22 , C08J11/04 , C08G8/04
CPC分类号： C08J11/22 , C08G18/40 , C08G2101/0016 , C08G2101/0025 , C08G2101/0041 , C08G2101/0083 , C08J2375/00 , Y02W30/706
摘要： The invention relates to a process for the production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage using recyclate polyols. The invention furthermore relates to the rigid to semirigid polyurethane foams produced by this process.
摘要翻译： 本发明涉及生产刚性至半刚性聚氨酯泡沫的方法，其具有增加比例的开孔和使用回收多元醇减少的收缩。 本发明还涉及通过该方法生产的刚性到半刚性聚氨酯泡沫。
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6.发明授权Preparation of recyclate polyols, and the use thereof in the preparation of polyurethanes 失效回收多元醇的制备及其在制备聚氨酯中的用途
公开(公告)号：US5357006A
公开(公告)日：1994-10-18
申请号：US132854
申请日：1993-10-07
CPC分类号： C08J11/22 , C08G18/40 , C08G18/831 , C08J2375/04 , Y02W30/706
摘要： A process for the preparation of recyclate polyols obtained by glycolysis of polyurethanes and/or polyurea-polyurethanes comprises metering in monofunctional and/or difunctional glycidyl ethers over the entire course of the reaction; the low-amine recyclate polyols obtained in this way are used for the preparation of cellular or noncellular polyurethanes.
摘要翻译： 通过聚氨酯和/或聚脲 - 聚氨酯的糖酵解获得的制备再循环多元醇的方法包括在整个反应过程中计量单官能和/或双官能缩水甘油醚; 以这种方式获得的低胺回收多元醇用于制备细胞或非细胞聚氨酯。
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