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公开(公告)号：US4963598A
公开(公告)日：1990-10-16
申请号：US297264
申请日：1989-01-18
IPC分类号： C08K5/00 , C08K5/06 , C08K5/1545 , C08K5/54 , C08L69/00
CPC分类号： C08K5/1545 , C08K5/06 , C08K5/54 , C08L69/00
摘要： The invention relates to thermoplastic polycarbonate molding compositions which are rendered resistant to gamma-radiation by incorporating therewith about 0.1 to about 10 percent by weight of a stabilizing agent conforming to ##STR1## wherein R.sub.1 denotes a hydrogen atom or a C.sub.1 -C.sub.4 alkyl, R.sub.2 denotes a hydrogen atom, a C.sub.1 -C.sub.30 alkyl or acyl radical, silyl or pyranyl where said alkyl and acyl radicals may be either branched or linear, n is an integer of from 0 to 70, p is 0 or 1 and m is 1 to 4.
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2.发明授权Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams 失效衍生自4,4,4-三氯-1,2-环氧丁烷和/或表卤代醇的多元醇用于生产可热封泡沫
公开(公告)号：US4282332A
公开(公告)日：1981-08-04
申请号：US146983
申请日：1980-05-05
CPC分类号： C08G65/2609 , C08G18/5009 , C08G65/223
摘要： The instant invention is directed to a polyol having a molecular weight of 2,000 to 8,000 which is especially suited for use in the production of heat sealable foams, comprising the adduct obtained by sequentially reacting:(a) a polyhydroxyl initiator, with a functionality of 2 to 5 and a weight average molecular weight as determined by gel permeation chromatography of from 62 to 200; with(b) 10 to 90%, by weight, based on the total oxide present in (b)+(c)+(d), a first alkylene oxide; and subsequently reacting the product with(c) 10 to 80%, by weight, based on the total oxide present in (b)+(c)+(d), 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin; and subsequently reacting the product with(d) 10 to 60%, by weight, based on the total oxide present in (b)+(c)+(d), a second alkylene oxide.
摘要翻译： 本发明涉及分子量为2,000至8,000的多元醇，其特别适用于生产可热封泡沫体，该多元醇包括通过使（a）多羟基引发剂的官能度为2 至5，通过凝胶渗透色谱法测定的重均分子量为62至200; 与（b）+（c）+（d）中存在的总氧化物相比，（b）10〜90重量％的第一烯化氧; （c）+（d），4,4,4-三氯-1,2-环氧丁烷和（b）+（c）+（d））中存在的总氧化物和（c）10至80重量％ /或表卤代醇; 然后使产物与（b）+（c）+（d）中存在的总氧化物的重量比为10至60重量％的第二烯化氧反应。
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3.发明授权Process for the production of stable dispersions, the dispersions so produced, and the use thereof in the manufacture of polyurethanes 失效用于生产稳定分散体的方法，如此制备的分散体及其在制备聚氨酯中的用途
公开(公告)号：US4855352A
公开(公告)日：1989-08-08
申请号：US225403
申请日：1988-07-28
CPC分类号： C08G18/409 , C08G18/0876 , C08G18/3225 , C08G18/3834 , C08L75/04 , C08L75/02 , C08L79/06
摘要： Stable finely-divided dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material are made by reacting (i) an isocyanate with (ii) a compound selected from polyamines, hydrazines, hydrazides and mixtures thereof in the presence of (iii) a hydroxyl compound selected from polyethers, polyesters, polyester amides, polycarbonates and mixtures thereof and (iv) a catalyst. The catalyst is a compound which catalyzes the reaction of isocyanate groups with hydroxyl groups. The catalyst is used in a quantity of at least 50 parts per million parts of (i), (ii) and (iii). These dispersions are particularly useful in the production of polyurethanes.
摘要翻译： 通过使（i）异氰酸酯与（ii）选自多胺，肼，酰肼及其混合物的化合物在（iii）的存在下，使（ⅰ）异氰酸酯与（ⅱ）化合物反应，制备聚脲和/或聚肼基二酰胺在含羟基的材料中的稳定的微细分散体。 ）选自聚醚，聚酯，聚酯酰胺，聚碳酸酯及其混合物的羟基化合物和（iv）催化剂。 催化剂是催化异氰酸酯基与羟基反应的化合物。 催化剂的用量至少为（i），（ii）和（iii）每百万份的50份。 这些分散体在聚氨酯的生产中特别有用。
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公开(公告)号：US4302272A
公开(公告)日：1981-11-24
申请号：US112046
申请日：1980-01-14
CPC分类号： C08J5/121 , B29C44/56 , C08G18/5009 , C08J2375/04 , Y10S521/904 , Y10S521/914 , Y10T428/249953
摘要： The instant invention is directed to a process for heat sealing flexible polyurethane foam, comprising:A. reacting and foaming a polyurethane foam produced by the steps comprising reacting:(I) an organic polyisocyanate;(II) a polyol having a molecular weight of 2,000 to 8,000 comprising the adduct obtained by sequentially reacting:(a) a polyhydroxyl initiator, with a functionality of 2 to 5 and a weight average molecular weight as determined by gel permeation chromatography of from 62 to 200; with(b) 10 to 90%, most preferably 10 to 50%, by weight, based on the total oxide present in (b)+(c)+(d), a first alkylene oxide; and subsequently reacting the product with(c) 10 to 80%, preferably 20 to 50% by weight, based on the total oxide present in (b)+(c)+(d), 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin; and subsequently reacting the product with(d) 10 to 60%, most preferably 10 to 40%, by weight, based on the total oxide present in (b)+(c)+(d), a second alkylene oxide.(III) foaming agent; and optionally(IV) catalyst;B. heating a portion of the surface of said flexible polyurethane foam of (A) above its melting or fusion point; andC. cooling said flexible polyurethane foam below its melting or fusion point.
摘要翻译： 本发明涉及一种用于热封柔性聚氨酯泡沫的方法，其包括：A.使由以下步骤制备的聚氨酯泡沫反应并发泡，所述步骤包括：（I）有机多异氰酸酯; （II）分子量为2,000至8,000的多元醇，其包含通过顺序地使以下反应获得的加合物：（a）通过凝胶渗透色谱法测定的官能度为2-5的多羟基引发剂和通过62测定的重均分子量 至200; 与（b）+（c）+（d）中存在的总氧化物相比，（b）10至90％，最优选10至50重量％的第一烯化氧; （c）+（d）中存在的总氧化物，4,4,4-三氯-1（ⅰ）和（c）+（d））中的总氧化物，随后使产物与（c）10至80重量％，优选20至50重量％ ，2-环氧丁烷和/或表卤代醇; 然后使产物与（b）+（c）+（d）中存在的总氧化物，第二烯化氧反应，与（d）10至60重量％，最优选10至40重量％反应。 （三）发泡剂; 和任选的（Ⅳ）催化剂; B.将（A）的所述软质聚氨酯泡沫的表面的一部分加热到其熔点或熔点以上; 和C.将所述软质聚氨酯泡沫体冷却到低于其熔点或熔点。
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公开(公告)号：US4847320A
公开(公告)日：1989-07-11
申请号：US225691
申请日：1988-07-28
CPC分类号： C08G18/409 , C08G18/0876 , C08G18/18 , C08G18/3228 , C08L75/04
摘要： The present invention relates to a process for the production of stable dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material by reacting an organic di- or polyisocyanate with a composition selected from the group consisting of polyamines containing primary and/or secondary amine groups, hydrazines, hydrazides, and mixtures thereof, in said hydroxyl-group containing material, in the presence of a dispersion stabilizing compound.
摘要翻译： 本发明涉及通过使有机二异氰酸酯或多异氰酸酯与选自以下的组合物反应制备聚脲和/或聚二酰二酰胺在含羟基材料中的稳定分散体的方法，所述组合物选自含有主要和/或 仲胺基，肼，酰肼及其混合物，在所述含羟基的物质中，在分散体稳定化合物的存在下。
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公开(公告)号：US5502147A
公开(公告)日：1996-03-26
申请号：US171282
申请日：1993-12-21
申请人： Neil H. Nodelman , David D. Steppan , Albert Magnotta , Robert M. Loring , Richard E. Keegan , William E. Slack
发明人： Neil H. Nodelman , David D. Steppan , Albert Magnotta , Robert M. Loring , Richard E. Keegan , William E. Slack
CPC分类号： C08G18/6505 , C08G18/78 , C08G18/79 , C08G2120/00
摘要： The present invention is directed to polyurethane moldings produced via the RIM process. These polyurethane moldings have excellent reactivity, demold properties (at a 30 s demold), and good elongation and tear strength, and comprise the reaction product of an aliphatic polyisocyanate having a viscosity of less than about 20,000 mPa.multidot.s at 25.degree. C. and a NCO functionality of 2.3 to 4.0 with an isocyanatereactive component comprising b1) a relatively high molecular weight organic compound containing at least one of the groups selected from the group consisting of hydroxy groups and amine groups; and b2) a low molecular weight chain extender selected from the group consisting of diols, triols, primary amines, secondary amines, aminoalcohols, and mixtures thereof; in the presence of a catalyst. The OH:NH ratio of the chain extender is from 1:1 to 25:1.
摘要翻译： 本发明涉及通过RIM工艺生产的聚氨酯模制品。 这些聚氨酯模制品具有优异的反应性，脱模性（30秒脱模）和良好的伸长率和撕裂强度，并且包括在25℃下具有小于约20,000mPax的粘度的脂族多异氰酸酯与NCO的反应产物 具有异氰酸酯反应性组分的2.3至4.0的官能度包含：b1）含有至少一种选自羟基和胺基的基团的相对高分子量的有机化合物; 和b2）选自二醇，三醇，伯胺，仲胺，氨基醇及其混合物的低分子量增链剂; 在催化剂存在下。 扩链剂的OH:NH比为1:1至25:1。
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公开(公告)号：US5407596A
公开(公告)日：1995-04-18
申请号：US241820
申请日：1994-05-12
CPC分类号： C08G18/4883 , C08G2101/00
摘要： Sucrose-based polyether polyols which do not promote degradation of HCFC blowing agents are produced by blocking at least 10% of the polyol's hydroxyl groups with a compound represented by the formula CH.sub.3 COCH.sub.2 COOR in which R represents an alkyl group. These polyether polyols are particularly useful in the production of polyurethane foams.
摘要翻译： 通过用其中R表示烷基的式CH 3 COCH 2 COOR表示的化合物阻断至少10％的多羟基羟基来制备不促进HCFC发泡剂降解的蔗糖基聚醚多元醇。 这些聚醚多元醇特别可用于生产聚氨酯泡沫体。
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8.发明授权Stable dispersions of polyhydrazodicarbonamides useful in the preparation of polyurethane products having improved load-bearing capacity 失效用于制备具有改善的承载能力的聚氨酯产品的聚二酰二酰胺的稳定分散体
公开(公告)号：US5342855A
公开(公告)日：1994-08-30
申请号：US468535
申请日：1990-01-23
CPC分类号： C08G18/409 , C08G18/0876 , C08G18/3231 , C08G18/3834 , C08G18/6529 , C08G2101/0008
摘要： This invention relates to a process for the preparation of stable dispersions of hydroxyl-containing polyhydrazodicarbonamides in a hydroxyl-containing compound. The dispersions are prepared by the reaction of organic isocyanates, isocyanate-reactive compounds having a molecular weight in the range from 400 to 10,000, relatively low molecular weight isocyanate-reactive compounds, and hydrazines or hydrazides. This invention further relates to the dispersions prepared by said process, the use of the dispersions to prepare polyurethane foams having exceptional hardness, and the foams prepared thereby.
摘要翻译： 本发明涉及一种在含羟基的化合物中制备含羟基的聚二酰二酰胺的稳定分散体的方法。 分散体通过有机异氰酸酯，分子量在400至10,000的异氰酸酯反应性化合物，相对低分子量的异氰酸酯反应性化合物和肼或酰肼的反应来制备。 本发明还涉及通过所述方法制备的分散体，使用分散体制备具有优异硬度的聚氨酯泡沫以及由此制备的泡沫。
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9.发明授权Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams 失效衍生自4,4,4-三氯-1,2-环氧丁烷和/或表卤代醇的多元醇用于生产可热封泡沫
公开(公告)号：US4234745A
公开(公告)日：1980-11-18
申请号：US8147
申请日：1979-01-31
CPC分类号： C08G65/223 , C08G18/5009 , C08G65/2609
摘要： The instant invention is directed to a polyol having a molecular weight of 2,000 to 8,000 which is especially suited for use in the production of heat sealable foams, comprising the adduct obtained by sequentially reacting:(a) a polyhydroxyl initiator, with a functionality of 2 to 5 and a weight average molecular weight as determined by gel permeation chromatography of from 62 to 200; with(b) 10 to 90%, by weight, based on the total oxide present in (b)+(c)+(d), a first alkylene oxide; and subsequently reacting the product with(c) 10 to 80%, by weight, based on the total oxide present in (b)+(c)+(d), 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin; and subsequently reacting the product with(d) 10 to 60%, by weight, based on the total oxide present in (b)+(c)+(d), a second alkylene oxide.
摘要翻译： 本发明涉及分子量为2,000至8,000的多元醇，其特别适用于生产可热封泡沫体，该多元醇包括通过使（a）多羟基引发剂的官能度为2 至5，通过凝胶渗透色谱法测定的重均分子量为62至200; 与（b）+（c）+（d）中存在的总氧化物相比，（b）10〜90重量％的第一烯化氧; （c）+（d），4,4,4-三氯-1,2-环氧丁烷和（b）+（c）+（d））中存在的总氧化物和（c）10至80重量％ /或表卤代醇; 然后使产物与（b）+（c）+（d）中存在的总氧化物的重量比为10至60重量％的第二烯化氧反应。
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