公开(公告)号：US06239213B1

公开(公告)日：2001-05-29

申请号：US09143011

申请日：1998-08-28

申请人： Lalgudi Srinivasan Ramanathan ,  Kundalik Ganpat Raut ,  Subagiri Ramaswamyiyengar Srinivasan ,  Swaminathan Sivaram

发明人： Lalgudi Srinivasan Ramanathan ,  Kundalik Ganpat Raut ,  Subagiri Ramaswamyiyengar Srinivasan ,  Swaminathan Sivaram

IPC分类号： C08J300

CPC分类号： C09D175/06 ,  C08G18/0823 ,  C08G18/348 ,  C08G18/4241 ,  C08G18/6659

摘要： This invention relates to the process for the preparation of aqueous polyurethane dispersions, which comprises preparing an isocynate terminated carboxyl group containing prepolymer, by preparing a solution of a polyol in an organic solvent, adding an ionic group containing compound to this solution, heating this mixture at a controlled temperature, adding an isocyanate in the reaction mixtute optionally in the presence of a catalyst depending upon the isocynate, stirring, neutralizing and cooling the mixture at ambient temperatures and finally dispersing the mixture in water to obtain the product.

摘要翻译： 本发明涉及制备含水聚氨酯分散体的方法，其包括制备含异氰酸酯封端的含羧基的预聚物，通过制备多元醇在有机溶剂中的溶液，向该溶液中加入含离子基团的化合物，加热该混合物 在可控温度下，任选地在催化剂存在下，在反应混合物中加入异氰酸酯，这取决于异氰酸酯，在环境温度下搅拌，中和并冷却混合物，最后将混合物分散在水中以获得产物。

公开(公告)号：US10023774B2

公开(公告)日：2018-07-17

申请号：US13877226

申请日：2011-10-03

申请人： Kundalik Ganpat Raut ,  Manohar Virupax Badiger ,  Sivaram Swaminathan ,  Vivek Vitthal Kodgire ,  Rajeshwari Shyamji Gour

发明人： Kundalik Ganpat Raut ,  Manohar Virupax Badiger ,  Sivaram Swaminathan ,  Vivek Vitthal Kodgire ,  Rajeshwari Shyamji Gour

IPC分类号： C09J163/00 ,  C08L63/00 ,  C08L33/22

摘要： Disclosed herein is an adhesive composition for clutch disc application comprising of an epoxy resin of bisphenol A and epichlorohydrin, partially hydrogenated carboxylated nitrile butadiene rubber (HX-NBR) in solid form as a toughening agent in the ratio 80:20, and optionally with additives to obtain improved lap shear strength and cushioning properties.

公开(公告)号：US20130253093A1

公开(公告)日：2013-09-26

申请号：US13877226

申请日：2011-10-03

申请人： Kundalik Ganpat Raut ,  Manohar Virupax Badiger ,  Sivaram Swaminathan ,  Vivek Vitthal Kodgire ,  Rajeshwari Shyamji Gour

发明人： Kundalik Ganpat Raut ,  Manohar Virupax Badiger ,  Sivaram Swaminathan ,  Vivek Vitthal Kodgire ,  Rajeshwari Shyamji Gour

IPC分类号： C09J163/00

CPC分类号： C09J163/00 ,  C08L33/22 ,  C08L63/00 ,  C08L2666/04 ,  C08L21/00

摘要： Disclosed herein is an adhesive composition for clutch disc application comprising of an epoxy resin of bisphenol A and epichlotrohydrin, partially hydrogenated carboxylated nitrile butadiene rubber (HX-NBR) in solid form as a toughening agent in the ratio 80:20, and optionally with additives to obtain improved lap shear strength and cushioning properties.

摘要翻译： 本文公开了一种用于离合器盘应用的粘合剂组合物，其包含双酚A和表氯醇的环氧树脂，固体形式的固化形式的作为增韧剂的比例为80:20的部分氢化的羧化丁腈橡胶（HX-NBR），以及任选的添加剂 以获得改善的搭接剪切强度和缓冲性能。