-
1.发明授权Isocyanate-carboxyl group-containing fatty compounds for manufacture of lignocellulosic composites 失效用于制造木质纤维素复合材料的含异氰酸酯 - 含羧基的脂肪族化合物
公开(公告)号：US4933232A
公开(公告)日：1990-06-12
申请号：US222469
申请日：1988-07-21
CPC分类号： C08G18/34 , B27N3/083 , B29C33/60 , C08G18/281 , C08L97/02 , C08L2205/06 , C08L75/04 , Y10T428/249951 , Y10T428/253 , Y10T428/2982 , Y10T428/2998 , Y10T428/31591
摘要： A binder/release system for the preparation of molded articles, especially lignocellulosic composites, which utilizes in combination with isocyanate-based binders a fatty material as an internal and/or external release agent, the fatty material being at least one polymerized fatty acid and/or at least one polycarboxyl compound containing a polymeric fatty radical(s).
摘要翻译： 用于制备模制品，特别是木质纤维素复合材料的粘合剂/释放系统，其与异氰酸酯基粘合剂组合使用脂肪材料作为内部和/或外部脱模剂，所述脂肪材料是至少一种聚合脂肪酸和/ 或至少一种含有聚合脂肪族基团的多羧基化合物。
-
2.发明授权
公开(公告)号：US4772442A
公开(公告)日：1988-09-20
申请号：US935903
申请日：1986-11-28
CPC分类号： C08G18/34 , B27N3/083 , B29C33/60 , C08G18/281 , C08L97/02 , C08L2205/06 , C08L75/04
摘要： A binder/release system for the preparation of molded articles, especially lignocellulosic composites, which utilizes in combination with isocyanate-based binders a fatty material as an internal and/or external release agent, the fatty material being at least one polymerized fatty acid and/or at least one polycarboxyl compound containing a polymeric fatty radical(s).
-
3.发明授权Isocyanate/surfactant-modified polyol binder for manufacture of lignocellulosic composites 失效用于制造木质纤维素复合材料的异氰酸酯/表面活性剂改性的多元醇粘合剂
公开(公告)号：US4898776A
公开(公告)日：1990-02-06
申请号：US273681
申请日：1988-11-21
CPC分类号： C08G18/4225 , C08L97/02 , Y10T428/265 , Y10T428/31591 , Y10T428/31989
摘要： A synthetic board is prepared by a process of contacting lignocellulosic material with a binder and subsequently forming the treated material into a board by the application of heat and pressure, wherein (a) the binder comprises an organic polyisocyanate and a reactive hydrogen-containing component, especially an aromatic polyester polyol, and (b) the lignocellulosic material is additionally contracted with a surfactant.
摘要翻译： 通过使木质纤维素材料与粘合剂接触并随后通过施加热和压力将经处理的材料形成板而制备合成板，其中（a）粘合剂包含有机多异氰酸酯和含反应性氢的组分， 特别是芳族聚酯多元醇，和（b）木质纤维素材料另外与表面活性剂收缩。
-
公开(公告)号：US5660926A
公开(公告)日：1997-08-26
申请号：US761926
申请日：1996-12-09
CPC分类号： C08J9/149 , B32B5/18 , C08G18/42 , C08G18/4211 , C08G18/4247 , C08J9/14 , C08G2101/0025 , C08G2101/005 , C08G2105/02 , C08J2375/04 , Y10T428/249976
摘要： A closed cell, rigid polymer foam which comprises the reaction product of a polyisocyanate and an isocyanate-reactive component in the presence of a catalyst and a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent wherein the isocyanate-reactive component comprises (a) a hydroxy terminated polyester having an equivalent weight greater than about 350, or (b) a mixture of the hydroxy terminated polyester with at least one other isocyanate-reactive compound. Foams prepared with the hydroxy terminated polyester have superior shrinkage resistance, strength and long-term insulating efficiency.
-
公开(公告)号：US5308881A
公开(公告)日：1994-05-03
申请号：US140917
申请日：1993-10-25
CPC分类号： C08J9/127 , C08G18/092 , C08G18/4208 , C08J9/144 , C08G2101/0025 , C08G2170/60 , C08J2203/14 , C08J2203/142 , C08J2205/052 , C08J2205/10 , C08J2375/04 , Y10S521/902
摘要： A closed cell, rigid polyisocyanurate foam which comprises the reaction product of a polyisocyanate and a polyol in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent, and (b) a siloxane oxyalkylene copolymer (i) having a molecular weight below about 7500 and an oxyalkylene portion containing greater than 60 weight percent of oxyethylene units and (ii) being prepared by the reaction of an organohydrogensiloxane with a polyoxyalkylene in an essentially solventless system or in the presence of a high boiling point polar polyol.
-
公开(公告)号：US5470889A
公开(公告)日：1995-11-28
申请号：US386391
申请日：1995-02-10
CPC分类号： C08J9/127 , C08G18/092 , C08G18/163 , C08G18/1875 , C08G18/4208 , C08J9/144 , C08G2101/0025 , C08G2170/60 , C08J2203/12 , C08J2203/14 , C08J2203/142 , C08J2205/052 , C08J2205/10 , C08J2375/04 , Y10S521/901 , Y10S521/902 , Y10T428/249976
摘要： Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent and (b) a catalyst mixture comprising (i) a carboxylate salt of an alkali metal or an alkaline earth metal or mixtures thereof, (ii) a tertiary amine, and (iii) a quaternary ammonium carboxylate salt, wherein the mole ratio of carboxylate metal salt: tertiary amine is a value less than about 2:1, and the total moles of quaternary ammonium carboxylate salt are less than the combined moles of the carboxylate metal salt and the tertiary amine.
-
7.发明授权Manufacture of polyisocyanate prepolymers using ethylene glycol and cellular foams therefrom 失效使用乙二醇和泡沫塑料制造多异氰酸酯预聚物
公开(公告)号：US5164422A
公开(公告)日：1992-11-17
申请号：US796956
申请日：1991-11-25
CPC分类号： C08G18/4208 , C08G18/10 , Y10S521/902
摘要： An isocyanate-terminated quasi-prepolymer is prepared by reacting an organic polyisocyanate and a polyester polyol which comprises the reaction product of a polycarboxylic acid component and ethylene glycol or a mixture of ethylene glycol and at least one other glycol. The use of the quasi-prepolymer in the preparation of rigid cellular polymers, especially polyisocyanurate foams, enhances the thermal insulating properties of the foams, and helps to reduce their cost and blowing agent usage.
摘要翻译： 异氰酸酯封端的准预聚物是通过使有机多异氰酸酯和聚酯多元醇反应来制备的，所述聚酯多元醇包括多元羧酸组分与乙二醇的反应产物或乙二醇与至少一种其它二醇的混合物。 在制备刚性多孔聚合物，特别是聚异氰脲酸酯泡沫体中使用准预聚物可增强泡沫的隔热性能，有助于降低其成本和发泡剂用量。
-
8.发明授权
公开(公告)号：US5563180A
公开(公告)日：1996-10-08
申请号：US500287
申请日：1995-07-10
CPC分类号： B01J31/0237 , B01J31/0239 , B01J31/04 , C08G18/163 , C08G18/1875 , C08G18/225 , C08G18/4208 , C08J9/144 , C08G2101/0025 , C08G2105/02 , C08G2170/60 , C08J2375/04 , Y10S521/902
摘要： Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent and (b) a catalyst mixture comprising (i) a carboxylate salt of an alkali metal or an alkaline earth metal or mixtures thereof, (ii) a quaternary ammonium carboxylate salt, and (iii) optionally a tertiary amine, wherein the mole ratio of carboxylate metal salt: tertiary amine is a value greater than about 2:1, and the total moles of quaternary ammonium carboxylate salt are less than the combined moles of the carboxylate metal salt and the tertiary amine.
摘要翻译： 通过在（a）含氢发泡剂或其混合物的存在下使多异氰酸酯和聚酯多元醇或聚酯多元醇与至少一种其它异氰酸酯反应性化合物的混合物反应，制备刚性的闭孔聚异氰脲酸酯泡沫体， 含氢发泡剂和至少一种共发泡剂，和（b）催化剂混合物，其包含（i）碱金属或碱土金属的羧酸盐或其混合物，（ii）季铵羧酸盐， 和（iii）任选的叔胺，其中羧酸金属盐：叔胺的摩尔比是大于约2:1的值，并且羧酸季铵盐的总摩尔数小于羧酸盐金属盐的组合摩尔数 和叔胺。
-
9.发明授权Surfactant for polyisocyanurate foams made with alternative blowing agents 失效用替代发泡剂制成的聚异氰脲酸酯泡沫的表面活性剂
公开(公告)号：US5362764A
公开(公告)日：1994-11-08
申请号：US202617
申请日：1994-02-28
CPC分类号： C08J9/127 , C08G18/092 , C08G18/4208 , C08J9/144 , C08G2101/0025 , C08G2170/60 , C08J2203/14 , C08J2203/142 , C08J2205/052 , C08J2205/10 , C08J2375/04 , Y10S521/902
摘要： A closed cell, rigid polyisocyanurate foam which comprises the reaction product of a polyisocyanate and a polyol in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent, and (b) a siloxane oxyalkylene copolymer (i) having a molecular weight below about 7500 and an oxyalkylene portion containing greater than 60 weight percent of oxyethylene units and (ii) being prepared by the reaction of an organohydrogensiloxane with a polyoxyalkylene in an essentially solventless system or in the presence of a high boiling point polar polyol.
摘要翻译： 在（a）含氢发泡剂或含氢发泡剂和至少一种共发泡剂的混合物的存在下，包含多异氰酸酯和多元醇的反应产物的闭孔刚性聚异氰脲酸酯泡沫体， 和（b）分子量低于约7500的硅氧烷氧化烯共聚物（i）和含有大于60重量％的氧化乙烯单元的氧化烯部分，和（ii）通过有机氢硅氧烷与基本无溶剂中的聚氧化烯的反应制备 或在高沸点极性多元醇存在下进行。
-
">10.发明授权Rigid foam with improved "k" factor by reacting a polyisocyanate prepolymer and polyester polyol containing low free glycol 失效通过反应含有低聚糖的聚异氰酸酯预聚物和聚酯多元醇，改善“K”因子的刚性泡沫
公开(公告)号：US5064873A
公开(公告)日：1991-11-12
申请号：US342508
申请日：1989-04-24
IPC分类号： C08J9/02 , C08G18/02 , C08G18/10 , C08G18/42 , C08G101/00
CPC分类号： C08G18/4247 , C08G18/10 , C08G18/4211 , C08G18/4225 , C08G18/4244 , C08G2101/0025 , C08G2105/02 , C08G2170/60 , Y10S521/902 , Y10T428/249958 , Y10T428/31551
摘要： Rigid cellular polymers are made by reacting an isocyanate-terminated quasi-prepolymer with a polyol component comprising a polyester polyol having a free glycol content of less than about 7 percent by weight of the polyester polyol in the presence of a blowing agent. The combined use of the quasi-prepolymer and the polyester polyol enhances the thermal insulating properties of the foams.
-
-
-
-
-
-
-
-
-
搜索结果
13 条记录 (耗时 0.023 秒)
