公开(公告)号：US5322914A

公开(公告)日：1994-06-21

申请号：US120618

申请日：1993-09-13

申请人： Edwin L. McInnis ,  Thomas M. Santosusso ,  John E. Dewhurst

发明人： Edwin L. McInnis ,  Thomas M. Santosusso ,  John E. Dewhurst

IPC分类号： C08G18/10 ,  C08G18/18 ,  C08G18/20

CPC分类号： C08G18/10

摘要： The invention consists of a composition containing a chemically blocked trimerization catalyst and a polyurethane prepolymer resin or resins with reactive isocyanate groups. In the absence of heat, the catalyst is not active and the solution of catalyst in the resin undergoes no appreciable reaction for periods ranging from hours to weeks depending upon the composition and concentration of the catalysts and the structure and concentration of the isocyanate groups. When heat is applied to the mixture a trimerization reaction occurs which produces a crosslinked polyurethane network with utility as an elastomer or as an adhesive.

摘要翻译： 本发明包含含有化学封闭三聚催化剂和聚氨酯预聚物树脂或具有活性异氰酸酯基团的树脂的组合物。 在不存在热的情况下，根据催化剂的组成和浓度以及异氰酸酯基团的结构和浓度，催化剂不活泼，催化剂在树脂中的溶液几小时至几周不会发生明显的反应。 当对混合物施加热量时，发生三聚反应，其产生用作弹性体或粘合剂的交联聚氨酯网络。

公开(公告)号：US5115071A

公开(公告)日：1992-05-19

申请号：US682790

申请日：1991-04-09

申请人： Jeffrey R. Quay ,  Sherri L. Bassner ,  Thomas M. Santosusso

发明人： Jeffrey R. Quay ,  Sherri L. Bassner ,  Thomas M. Santosusso

IPC分类号： C08G18/10 ,  C08G18/12 ,  C08G18/48 ,  C08G18/66 ,  C09D175/04 ,  C09D175/06 ,  C09D175/08

CPC分类号： C09D175/04 ,  C08G18/10 ,  C08G18/12 ,  C08G18/4812 ,  C08G18/6611

摘要： This invention relates to polyurethane coatings formed from prepolymers made by reacting polyisocyanates with long chain polyols having an average functionality of greater than 2. The resulting prepolymers have equivalent weights greater than about 250 grams per equivalent and preferably greater than about 350 grams per equivalent. An excess of polyisocyanate is reacted with the polyol component at an equivalent ratio of greater than 4:1 equivalents isocyanate per equivalent of polyol. Excess polyisocyanate is then removed from the prepolymer.The resulting polyurethane prepolymers are chain extended with compounds having active hydrogen atoms such as water, amines or short chain polyhydroxy compounds, e.g., diols to form the resulting coatings.

公开(公告)号：US4083831A

公开(公告)日：1978-04-11

申请号：US675532

申请日：1976-04-09

申请人： Thomas M. Santosusso

发明人： Thomas M. Santosusso

IPC分类号： C08G18/08

CPC分类号： C08G18/0866

摘要： A suspension process is described for the preparation of an essentially linear polyurethane-urea granule comprising the steps of:A. adding to an aqueous solution of from about 2% to about 20% by weight of a water-soluble inert suspension agent1. a non-aqueous solution comprising a hydrocarbon solvent, andA. an organic polyisocyanate,B. a water immiscible polyol, andC. a catalyst,Wherein the mole fraction of said organic polyisocyanate, with respect to said organic isocyanate and diol is from about 0.5 to 1.00;B. heating the reaction mixture of step (a) to a temperature of from about 50.degree. to 150.degree. C. with stirring sufficient to form a suspension and distilling a constant boiling distillate of said hydrocarbon solvent and water;C. terminating the distillation of step (b) when substantially no hydrocarbon solvent remains in said distillate and substantially no unreacted isocyanate remains in the reaction mixture; andD. separating the solid polyurethane-urea granule formed in step (b).

摘要翻译： 描述了制备基本上线性的聚氨酯 - 尿素颗粒的悬浮方法，包括以下步骤：

公开(公告)号：US5594065A

公开(公告)日：1997-01-14

申请号：US436534

申请日：1995-05-09

申请人： Chao-Fong Tien ,  Charles R. Hegedus ,  Thomas M. Santosusso ,  Jeanine M. Snyder ,  Lisa A. Mercando

发明人： Chao-Fong Tien ,  Charles R. Hegedus ,  Thomas M. Santosusso ,  Jeanine M. Snyder ,  Lisa A. Mercando

IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/10 ,  C08G18/12 ,  C08G18/32 ,  C08G18/67 ,  C09D175/00 ,  C09D175/04 ,  C09D175/16 ,  C08L75/04 ,  C08F8/32

CPC分类号： C09D175/16 ,  C08G18/0823 ,  C08G18/10 ,  C08G18/12 ,  C08G18/672

摘要： An improved two component coating system based upon crosslinkable hydroxy containing polymers and a polyisocyanate crosslinker. The improvement resides in the utilization of a water-borne hydroxy-terminated polyurethane prepolymer/acrylate hybrid, preferably a hydroxy acrylate hybrid, in combination with a water-dispersible polyisocyanate. The two component coating composition can be prepared by:a) forming a carboxy-containing, water-dispersible, isocyanate-terminated polyurethane prepolymer,b) adding at least one acrylic monomer which contains a hydroxy-group to the carboxy-containing, water-dispersible, isocyanate-terminated polyurethane prepolymer to form a prepolymer/monomer mixture,c) adding an alkanolamine to the prepolymer/monomer mixture to introduce hydroxy functionality into the polyurethane prepolymer,d) dispersing the prepolymer/monomer mixture in water,e) adding an oil-soluble free radical initiator and a hydroxy-containing chain extender to the aqueous dispersion,f) polymerizing the acrylic monomers and completing the chain extension of the prepolymer by heating the aqueous dispersion, andg) mixing the resulting hybrid dispersion with a water-dispersible polyisocyanate.

摘要翻译： 基于可交联羟基聚合物和多异氰酸酯交联剂的改进的双组分涂料体系。 改进在于水性羟基封端的聚氨酯预聚物/丙烯酸酯杂化物，优选羟丙基酯杂化物与水分散性多异氰酸酯的组合的利用。 双组分涂料组合物可以通过以下方法制备：a）形成含羧基的水分散性异氰酸酯封端的聚氨酯预聚物，b）将至少一种含有羟基的丙烯酸单体加入含羧基的水溶性聚氨酯预聚物中， 可分散的异氰酸酯封端的聚氨酯预聚物以形成预聚物/单体混合物，c）将烷醇胺加入到预聚物/单体混合物中以将羟基官能团引入聚氨酯预聚物中，d）将预聚物/单体混合物分散在水中，e） 油溶性自由基引发剂和含羟基的扩链剂，f）聚合丙烯酸单体并通过加热水分散体完成预聚物的链延伸，和g）将得到的混合分散体与水溶性自由基引发剂 可分散多异氰酸酯。

公开(公告)号：US5451653A

公开(公告)日：1995-09-19

申请号：US365723

申请日：1994-12-28

申请人： Ning Chen ,  Chao-Fong Tien ,  Thomas M. Santosusso ,  Larry A. Wasowski ,  Robert K. Pinschmidt, Jr.

发明人： Ning Chen ,  Chao-Fong Tien ,  Thomas M. Santosusso ,  Larry A. Wasowski ,  Robert K. Pinschmidt, Jr.

IPC分类号： C08F8/30 ,  C08G18/83

CPC分类号： C08F8/30 ,  C08G18/833

摘要： This invention relates to improved crosslinking systems for polymeric dispersions and solutions having suitability for coatings, adhesives and use in many other applications. These systems are based upon crosslinkable polymers having a plurality of activated keto methylene groups, e.g., a beta diketone such as an acetoacetate or a keto cyano methylene functional groups and a crosslinkable component comprising an aldimine. A sufficient amount of the aldimine curing agent is used to effect reaction with the polymer containing the activated keto methylene groups and cure thereof. The improvement in the crosslinking system resides in the utilization of a monoaldimine having only one aldimine group and no other methylene reactive group as a crosslinking agent. Another improvement variation to that previously suggested comprises a redispersible polymer(s) containing activated methylene functionality and combined with the monoaldimine and the use of heterocyclic aldimine.

摘要翻译： 本发明涉及用于聚合物分散体的改进的交联体系和具有适用于涂料，粘合剂和在许多其它应用中使用的溶液。 这些体系基于具有多个活化的酮亚甲基的可交联聚合物，例如β-二酮如乙酰乙酸酯或酮基氰基亚甲基官能团，以及可交联组分，其包含醛亚胺。 使用足够量的醛亚胺固化剂来与含有活化酮亚甲基的聚合物进行反应并固化。 交联体系的改进在于利用仅具有一个醛亚胺基并且没有其它亚甲基反应性基团的单醛亚胺作为交联剂。 与之前提出的另一改进的变化包括含有活化的亚甲基官能团的可再分散的聚合物并与单醛亚胺和使用杂环醛亚胺组合。