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1.发明授权
公开(公告)号：US5028366A
公开(公告)日：1991-07-02
申请号：US142970
申请日：1988-01-12
IPC分类号： B29C33/60
CPC分类号： B29C33/60
摘要： A method for preparing a polyurethane foam article in a mold by applying to a mold surface a water-based mold release composition which includes a release effective system which is in a solid (hardened) state at the mold pour temperature and a liquid state at the demold temperature, pouring a polyurethane foam composition into the mold, curing the foam composition and demolding the foam article. The use of such release effective system in the aqueous mold release composition provides for a reduction in surface defects of the polyurethane foam article.Also disclosed is the incorporation of a poly(siloxane-glycol) surfactant having a cloud point ranging from 25.degree.-50.degree. C. into a water-based mold release composition including an aqueous emulsion or dispersion of at least one release effective substance and desirably at least one emulsifying agent provides for improved surface quality of the foam product.
摘要翻译： 一种通过向模具表面施加水性脱模组合物来制备聚氨酯泡沫塑料制品的方法，所述水性脱模组合物包括在模具浇注温度处于固体（硬化）状态的释放有效系统和在 脱模温度，将聚氨酯泡沫组合物倒入模具中，固化泡沫组合物并脱模泡沫制品。 在水性脱模组合物中使用这种释放有效系统提供了聚氨酯泡沫制品的表面缺陷的减少。 还公开了将具有25℃-50℃的浊点的聚（硅氧烷 - 二醇）表面活性剂掺入包含至少一种释放有效物质的水性乳液或分散体的水性脱模组合物中， 至少一种乳化剂提供改善泡沫产品的表面质量。
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2.发明授权Water based mold release compositions containing poly(siloxane-glycol) surfactants for making polyurethane foam article in a mold 失效含有用于在模具中制备聚氨酯泡沫制品的聚（硅氧烷 - 二醇）表面活性剂的水基脱模组合物
公开(公告)号：US4936917A
公开(公告)日：1990-06-26
申请号：US142971
申请日：1988-01-12
IPC分类号： B29C33/62 , B29C33/64 , B29K75/00 , B29K105/04 , C08L83/04
CPC分类号： B29C33/64 , Y10S516/01
摘要： The incorporation of a poly(siloxane-glycol) surfactant having a cloud point ranging from 25.degree.-50.degree. C. into a water-based mold release composition comprising an aqueous emulsion or dispersion of at least one release effective substance and desirably at least one emulsifying agent provides for improved surface quality of the foam product.Also disclosed is a method for preparing a polyurethane foam article in a mold by applying to a mold surface a water-based mold release composition which comprises a release effective system which is in a solid (hardened) state at the mold pour temperature and a liquid state at the demold temperature, pouring a polyurethane foam composition into the mold, curing the foam composition and demolding the foam article. The use of such release effective system in the aqueous mold release composition provides for a reduction in surface defects of the polyurethane foam article.
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公开(公告)号：US5216035A
公开(公告)日：1993-06-01
申请号：US902137
申请日：1992-06-22
CPC分类号： C08G18/797 , C08G18/089 , C08G18/10 , C08G18/12 , C08G18/725 , C08G2101/0033 , C08G2101/0066 , C08G2101/0083 , C08G2410/00 , Y10S521/901
摘要： The invention relates to water blown integral skin polyurethane foams made with a particular isocyanate quasi-prepolymer and resin side ingredients to yield a foam having good overall mechanical properties. The isocyanate quasi-prepolymer component of the present invention comprises from 0.5 weight percent to 30.0 weight percent or less uretonimine-carbodiimide-modified diphenylmethane diisocyanate, from 50 weight percent to 80 weight percent 4,4'-diphenylmethane diisocyanate and reacted with from 15 weight percent to 40 weight percent of a polyether polyol containing predominately secondary hydroxyl groups and having an average molecular weight from about 2,000 to 10,000, an average functionality from 1.5 to about 3.2, and a hydroxyl number from about 20 to 60, and optionally with a low molecular weight diol in an amount of from 1.0 weight percent to 10 weight percent, the weight percentages based on the weight of the quasi-prepolymer reactants. The resin side component comprises a high molecular weight polyether compound having isocyanate reactive hydrogens and average molecular weights from about 2,000 to about 10,000 and an average functionality from 1.5 to about 3.2, water as a blowing agent in an amount of from 0.25 weight percent to 3 weight percent, an effective amount of polyurethane and/or polyurea promoting catalyst, a surfactant, and a chain extender, and optionally a mono- or di- functional alcohol composition having from 8 to about 30 carbon atoms.The components, when injected or poured into a preheated mold, can tolerate mold temperatures from 105.degree. F. to 135.degree. F. and can be demolded in less than 150 seconds to yield an integral skin foam having little or no bubbles or pores visible to the eye. The foam produced thereby has a compression set of 30 percent or less, high tensile strength, and high tear strength.
摘要翻译： 本发明涉及用特定的异氰酸酯预预聚物和树脂侧成分制成的水吹整体表皮聚氨酯泡沫，以产生具有良好总体机械性能的泡沫。 本发明的异氰酸酯预预聚物组分包含0.5重量％至30.0重量百分数或更少的脲酮亚胺 - 碳二亚胺改性的二苯基甲烷二异氰酸酯，50重量％至80重量％的4,4'-二苯基甲烷二异氰酸酯，并与15重量％ 百分比至40重量％的主要具有仲羟基的聚醚多元醇，其平均分子量为约2,000至10,000，平均官能度为约1.5至约3.2，羟值为约20至60，并且任选地为低 分子量二醇的量为1.0重量％至10重量％，重量百分比基于准预聚物反应物的重量。 树脂侧组分包括具有异氰酸酯反应性氢，平均分子量为约2,000至约10,000，平均官能度为1.5至约3.2的高分子量聚醚化合物，作为发泡剂的水的量为0.25重量％至3 重量百分数，有效量的聚氨酯和/或聚脲促进催化剂，表面活性剂和扩链剂，以及任选的具有8至约30个碳原子的单官能或二官能醇组合物。 当注射或倒入预热的模具中时，组分可以耐受105°F至135°F的模具温度，并且可以在少于150秒内脱模以产生几乎没有或没有气泡或孔的可见的整体皮肤泡沫。 眼。 由此生产的泡沫具有30％或更小的压缩永久变形，高拉伸强度和高撕裂强度。
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4.发明授权Polyurethane foam catalysts that eliminate polyurea-containing polyol based masterbatch cure drift 失效聚氨酯泡沫催化剂，消除含聚脲多元醇的母料固化漂移
公开(公告)号：US4767736A
公开(公告)日：1988-08-30
申请号：US109544
申请日：1987-10-16
CPC分类号： C08G18/20 , C08G18/18 , C08G18/409
摘要： In the preparation of a high resiliency polyurethane foam by reacting a polyisocyanate with a polyurea dispersion-containing polyol based masterbatch composition also containing a tertiary amine catalyst for the polyurethane reaction, the improvement for eliminating cure draft of such stored polyol compositions which comprises employing a catalyst composition consisting essentially of5 to 15 wt % triethylenediamine,20 to 35 wt % 4-(2-dimethylaminoethyl) morpholine,20 to 35 wt % N,N,N',N'-tetramethyl-1,2-diamino-2-methylpropane,10 to 25 wt % bis(dimethylaminoethyl)ether, and5 to 40 wt % of an N-hydroxyalkyl quaternary ammonium acid salt.
摘要翻译： 在通过使多异氰酸酯与还含有用于聚氨酯反应的叔胺催化剂的含聚脲分散体的多元醇基母料组合物反应制备高弹性聚氨酯泡沫体中，用于消除这种储存的多元醇组合物的固化速率的改进包括使用催化剂 基本上由5至15重量％的三亚乙基二胺，20至35重量％的4-（2-二甲基氨基乙基）吗啉，20至35重量％的N，N，N'，N'-四甲基-1,2-二氨基-2- 甲基丙烷，10〜25重量％的双（二甲基氨基乙基）醚和5〜40重量％的N-羟烷基季铵酸盐。
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公开(公告)号：US4980385A
公开(公告)日：1990-12-25
申请号：US355154
申请日：1989-05-22
申请人： Michael Scarpati , Mark J. Hughes
发明人： Michael Scarpati , Mark J. Hughes
IPC分类号： C08G18/18
CPC分类号： C08G18/18 , C08G18/1825 , C08G2101/0008
摘要： A molded flexible polyurethane composition having improved polycarbonate compatibility comprising an organic polyisocyanate, a polyol and reactive tertiary amine catalyst. This catalyst contains at least one active hydrogen and/or hydroxyl group in its structure. Another embodiment of this invention relates to a molded flexible polyurethane composition having improved polycarbonate compatibility comprising an organic polyisocyanate, a polyol, a non-reactive tertiary amine catalyst and, an amine scavenger composition which may or may not also contain reactive tertiary amine catalysts. Also disclosed are processes for making said molded flexible polyurethane compositions having improved polycarbonate compatibility.
摘要翻译： 具有改进的聚碳酸酯相容性的模制柔性聚氨酯组合物，其包含有机多异氰酸酯，多元醇和反应性叔胺催化剂。 该催化剂在其结构中含有至少一个活性氢和/或羟基。 本发明的另一个实施方案涉及具有改进的聚碳酸酯相容性的模制柔性聚氨酯组合物，其包含有机多异氰酸酯，多元醇，非反应性叔胺催化剂和可以还可以不含反应性叔胺催化剂的胺清除剂组合物。 还公开了制备所述模制的柔性聚氨酯组合物具有改进的聚碳酸酯相容性的方法。
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6.发明授权Polyurethane foam catalysts that eliminate polyurea-containing polyol based masterbatch cure drift 失效聚氨酯泡沫催化剂，消除含聚脲多元醇的母料固化漂移
公开(公告)号：US4707501A
公开(公告)日：1987-11-17
申请号：US14504
申请日：1987-02-13
IPC分类号： C08G18/18 , C08G18/20 , C08G18/40 , C08G101/00 , C08J9/00
CPC分类号： C08G18/20 , C08G18/18 , C08G18/409
摘要： In the preparation of a high resiliency polyurethane foam by reacting a polyisocyanate with a polyurea dispersion-containing polyol based masterbatch composition also containing a tertiary amine catalyst for the polyurethane reaction, the improvement for eliminating cure draft of such stored polyol compositions which comprises employing a catalyst composition consisting essentially of5 to 15 wt% triethylenediamine,20 to 35 wt% 4-(2-dimethylaminoethyl) morpholine,20 to 35 wt% N,N,N',N'-tetramethyl-1,2-diamino-2-methylpropane,10 to 25 wt% bis(dimethylaminoethyl)ether, and5 to 40 wt% of an N-hydroxyalkyl quaternary ammonium acid salt.
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公开(公告)号：US5338820A
公开(公告)日：1994-08-16
申请号：US192402
申请日：1994-02-04
CPC分类号： C08G18/797 , C08G18/10 , C08G18/48 , C08G2101/0033 , C08G2101/0066 , C08G2101/0083 , Y10S521/901
摘要： The invention relates to water blown integral skin polyurethane foams made with a particular isocyanate quasi-prepolymer and resin side ingredients to yield a foam having good overall mechanical roperties. The isocyanate quasi-prepolymer component of the present invention comprises from 0.5 weight percent to 30.0 weight percent or less uretonimine-carbodiimide-modified diphenylmethane diisocyanate, from 50 weight percent to 80 weight percent 4,4'-diphenylmethane diisocyanate and reacted with from 15 weight percent to 40 weight percent of a polyether polyol containing predominately secondary hydroxy groups and having an average molecular weight from about 2,000 to 10,000, an average functionality from 1.5 to about 3.2, and a hydroxyl number from about 20 to 60. The resin side component comprises a high molecular weight polyether polyol with an average functionality from 1.5 to about 3.2, water as a blow agent, and optionally an mono- or di-functional alcohol composition having from 8 to about 30 carbon atoms. The components, when injected or poured into a preheated mold, can tolerate mold temperatures from 105.degree. F. to 135.degree. F. and can be demolded in less than 150 seconds to yield and integral skin foam having little or no bubbles or pores visible to the eye. The foam produced thereby has a compression set of 30 percent or less, high tensile strength, and high tear strength.
摘要翻译： 本发明涉及用特定的异氰酸酯预预聚物和树脂侧成分制成的水吹整体表皮聚氨酯泡沫，以产生具有良好总体机械性能的泡沫。 本发明的异氰酸酯预预聚物组分包含0.5重量％至30.0重量百分数或更少的脲酮亚胺 - 碳二亚胺改性的二苯基甲烷二异氰酸酯，50重量％至80重量％的4,4'-二苯基甲烷二异氰酸酯，并与15重量％ 占重量百分比至40重量％的主要具有仲羟基并且平均分子量为约2,000至10,000，平均官能度为约1.5至约3.2，羟值为约20至60的聚醚多元醇。树脂侧组分包含 平均官能度为1.5至约3.2的高分子量聚醚多元醇，作为吹塑剂的水，以及任选的具有8至约30个碳原子的单官能或二官能醇组合物。 当注射或倒入预热的模具中时，组分可以耐受105°F至135°F的模具温度，并且可以在少于150秒内脱模以产生具有很少或没有气泡或孔的可见的整体皮肤泡沫 眼。 由此生产的泡沫具有30％或更小的压缩永久变形，高拉伸强度和高撕裂强度。
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公开(公告)号：US5236960A
公开(公告)日：1993-08-17
申请号：US5683
申请日：1993-01-19
CPC分类号： G01N33/98 , C08G18/089 , C08G18/10 , C08G18/12 , C08G18/725 , C08G18/797 , G01N33/526 , C08G2101/0033 , C08G2101/0066 , C08G2101/0083 , C08G2410/00 , Y10S521/901
摘要： The invention relates to water blown integral skin polyurethane foams made with a particular isocyanate quasi-prepolymer and resin side ingredients to yield a foam having good overall mechanical properties. The isocyanate quasi-prepolymer component of the present invention comprises from 0.5 weight percent to 30.0 weight percent or less uretonimine-carbodiimide-modified diphenylmethane diisocyanate, from 50 weight percent to 80 weight percent 4,4'-diphenylmethane diisocyanate and reacted with from 15 weight percent to 40 weight percent of a polyether polyol containing predominately secondary hydroxyl groups and having an average molecular weight from about 2,000 to 10,000, an average functionality from 1.5 to about 3.2, and a hydroxyl number from about 20 to 60, and optionally with a low molecular weight diol in an amount of from 1.0 weight percent to 10 weight percent, the weight percentages based on the weight of the quasi-prepolymer reactants. The resin side component comprises a high molecular weight polyether compound having isocyanate reactive hydrogens and average molecular weights from about 2,000 to about 10,000 and an average functionality from 1.5 to about 3.2, water as a blowing agent in an amount of from 0.25 weight percent to 3 weight percent, an effective amount of polyurethane and/or polyurea promoting catalyst, a surfactant, and a chain extender, and optionally a mono- or di- functional alcohol composition having from 8 to about 30 carbon atoms.The components, when injected or poured into a preheated mold, can tolerate mold temperatures from 105.degree. F. to 135.degree. F. and can be demolded in less than 150 seconds to yield an integral skin foam having little or no bubbles or pores visible to the eye. The foam produced thereby has a compression set of 30 percent or less, high tensile strength, and high tear strength.
摘要翻译： 本发明涉及用特定的异氰酸酯预预聚物和树脂侧成分制成的水吹整体表皮聚氨酯泡沫，以产生具有良好总体机械性能的泡沫。 本发明的异氰酸酯预预聚物组分包含0.5重量％至30.0重量百分数或更少的脲酮亚胺 - 碳二亚胺改性的二苯基甲烷二异氰酸酯，50重量％至80重量％的4,4'-二苯基甲烷二异氰酸酯，并与15重量％ 百分比至40重量％的主要具有仲羟基的聚醚多元醇，其平均分子量为约2,000至10,000，平均官能度为约1.5至约3.2，羟值为约20至60，并且任选地为低 分子量二醇的量为1.0重量％至10重量％，重量百分比基于准预聚物反应物的重量。 树脂侧组分包括具有异氰酸酯反应性氢，平均分子量为约2,000至约10,000，平均官能度为1.5至约3.2的高分子量聚醚化合物，作为发泡剂的水的量为0.25重量％至3 重量百分数，有效量的聚氨酯和/或聚脲促进催化剂，表面活性剂和扩链剂，以及任选的具有8至约30个碳原子的单官能或二官能醇组合物。 当注射或倒入预热的模具中时，组分可以耐受105°F至135°F的模具温度，并且可以在少于150秒内脱模以产生几乎没有或没有气泡或孔的可见的整体皮肤泡沫。 眼。 由此生产的泡沫具有30％或更小的压缩永久变形，高拉伸强度和高撕裂强度。
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公开(公告)号：US4717611A
公开(公告)日：1988-01-05
申请号：US942903
申请日：1986-12-17
IPC分类号： B29C39/12 , B29C39/10 , B29C44/12 , B29K75/00 , B29K105/04 , C08G18/62 , C08J5/00 , C08J9/02 , C09D175/04 , B29C67/00 , B32B3/06
CPC分类号： C08J5/00 , B29C44/12 , B29K2075/00 , B29K2105/0854 , C08J2375/04 , Y10T428/24008 , Y10T428/24017 , Y10T428/24025 , Y10T442/652
摘要： In a method for making a molded polyurethane article having a nonwoven material secured to the article's surface which comprises placing the nonwoven material on the internal surface of a mold, adding and foaming a polyurethane composition in the mold and recovering the molded polyurethane article with the nonwoven material attached to the surface of the article, the improvement which comprises coating the nonwoven material with a composition consisting essentially of a fully hydrolyzed polyvinyl alcohol, an organic polyisocyanate and a catalyst for the urethane reaction, and curing the coating on the nonwoven material prior to adding and foaming the polyurethane composition in the mold.
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公开(公告)号：US5284880A
公开(公告)日：1994-02-08
申请号：US123183
申请日：1993-09-20
CPC分类号： C08G18/797 , C08G18/10 , C08G18/48 , C08G2101/0033 , C08G2101/0066 , C08G2101/0083 , Y10S521/901
摘要： The invention relates to water blown integral skin polyurethane foams made with a particular isocyanate quasi-prepolymer and resin side ingredients to yield a foam having good overall mechanical properties. The isocyanate quasi-prepolymer component of the present invention comprises from 0.5 weight percent to 30.0 weight percent or less uretonimine-carbodiimide-modified diphenylmethane diisocyanate, from 50 weight percent to 80 weight percent 4,4'-diphenylmethane diisocyanate and reacted with from 15 weight percent to 40 weight percent of a polyether polyol containing predominately secondary hydroxyl groups and having an average molecular weight from about 2,000 to 10,000, an average functionality from 1.5 to about 3.2, and a hydroxyl number from about 20 to 60, and optionally with a low molecular weight diol in an amount of from 1.0 weight percent to 10 weight percent, the weight percentages based on the weight of the quasi-prepolymer reactants. The resin side component comprises a high molecular weight polyether compound having isocyanate reactive hydrogens and average molecular weights from about 2,000 to about 10,000 and an average functionality from 1.5 to about 3.2, water as a blowing agent in an amount of from 0.25 weight percent to 3 weight percent, an effective amount of polyurethane and/or polyurea promoting catalyst, a surfactant, and a chain extender, and optionally a mono- or di- functional alcohol composition having from 8 to about 30 carbon atoms.The components, when injected or poured into a preheated mold, can tolerate mold temperatures from 105.degree. F. to 135.degree. F. and can be demolded in less than 150 seconds to yield an integral skin foam having little or no bubbles or pores visible to the eye. The foam produced thereby has a compression set of 30 percent or less, high tensile strength, and high tear strength.
摘要翻译： 本发明涉及用特定的异氰酸酯预预聚物和树脂侧成分制成的水吹整体表皮聚氨酯泡沫，以产生具有良好总体机械性能的泡沫。 本发明的异氰酸酯预预聚物组分包含0.5重量％至30.0重量百分数或更少的脲酮亚胺 - 碳二亚胺改性的二苯基甲烷二异氰酸酯，50重量％至80重量％的4,4'-二苯基甲烷二异氰酸酯，并与15重量％ 百分比至40重量％的主要具有仲羟基的聚醚多元醇，其平均分子量为约2,000至10,000，平均官能度为约1.5至约3.2，羟值为约20至60，并且任选地为低 分子量二醇的量为1.0重量％至10重量％，重量百分比基于准预聚物反应物的重量。 树脂侧组分包括具有异氰酸酯反应性氢，平均分子量为约2,000至约10,000，平均官能度为1.5至约3.2的高分子量聚醚化合物，作为发泡剂的水的量为0.25重量％至3 重量百分数，有效量的聚氨酯和/或聚脲促进催化剂，表面活性剂和扩链剂，以及任选的具有8至约30个碳原子的单官能或二官能醇组合物。 当注射或倒入预热的模具中时，组分可以耐受105°F至135°F的模具温度，并且可以在少于150秒内脱模以产生具有很少或没有可见的气泡或孔的整体皮肤泡沫。 眼。 由此生产的泡沫具有30％或更小的压缩永久变形，高拉伸强度和高撕裂强度。
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