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    • 3. 发明申请
    • ADHESIVE EPOXY COMPOSITION AND PROCESS FOR APPLYING IT
    • 胶粘环氧组合物及其应用方法
    • WO2005007766A1
    • 2005-01-27
    • PCT/US2004/021659
    • 2004-07-07
    • DOW GLOBAL TECHNOLOGIES INC.LUTZ, AndreasROHRER, PaulSCHÖNBÄCHLER, Hans
    • LUTZ, AndreasROHRER, PaulSCHÖNBÄCHLER, Hans
    • C09J163/00
    • C08G18/6677C08G18/12C08G18/6715C08L55/00C08L63/00C08L75/04C08L2666/02C09J163/00C08G18/2825C08G18/48
    • The invention is a composition comprising applying to a substrate a stream of an adhesive comprising: one or more epoxy resins; one or more rubber modified epoxy resins; one or more toughening compositions comprising the reaction product of one or more isocyanate terminated prepolymers and one or more capping compounds having one or more phenolic, benzyl alcohol, aminophenyl, or, benzylamino groups wherein the reaction product is terminated with the capping compounds; one or more curing agents for epoxy resins and one or more catalysts which initiate cure at a temperature of 100°C or greater; and optionally; fillers adhesion promoters, wetting agents or rheological additives useful in epoxy adhesive compositions; wherein the adhesive composition has a viscosity at 45°C of 20 Pa.s to 400 Pa.s. The composition can be used as ail adhesive and applied as a stream using a high speed streaming process.
    • 本发明是一种组合物,其包括向基材施加粘合剂流,其包括:一种或多种环氧树脂; 一种或多种橡胶改性环氧树脂; 一种或多种增韧组合物,其包含一种或多种异氰酸酯封端的预聚物和一种或多种具有一个或多个酚,苯甲醇,氨基苯基或苄基氨基的封端化合物的反应产物,其中反应产物用封端化合物终止; 一种或多种用于环氧树脂的固化剂和一种或多种在100℃或更高的温度下引发固化的催化剂; 和可选地; 用于环氧树脂粘合剂组合物的填料粘合促进剂,润湿剂或流变助剂; 其中所述粘合剂组合物在45℃下的粘度为20Pa.s至400Pa.s. 该组合物可以用作粘合剂并且使用高速流动方法作为流使用。
    • 4. 发明申请
    • ADHESIVE USEFUL FOR INSTALLING VEHICLE WINDOWS PROVIDING RAPID DRIVE AWAY TIME
    • 适用于安装提供快速驾驶飞行时间的车辆窗口
    • WO2010074768A1
    • 2010-07-01
    • PCT/US2009/035278
    • 2009-02-26
    • DOW GLOBAL TECHNOLOGIES INCCOLOMBOWSKI, DietmarROHRER, Paul
    • COLOMBOWSKI, DietmarROHRER, Paul
    • C08G18/48C09J175/08C08K3/04C08K3/34
    • C08G18/4812C09J175/08
    • In one embodiment, the invention is a composition comprising: a) one or more isocyanate functional polyether based prepolymers having a polydispersity of less than about 2.5 determined by Gel Permeation Chromatography at a Mp of > 1000; b) one or more plasticizers in sufficient amount that the composition can be pumped and applied to a substrate at a temperature Of -IO 0 C, preferably in an amount of about 15 percent by weight or less; c)one or more fillers in sufficient amount such that the composition exhibits a press flow viscosity or about 8 grams per minute or more; d) one or more catalysts for the reaction of isocyanate moieties with isocyanate reactive groups; wherein the composition demonstrates 30 minutes after application a high speed impact of about 1.6 MPa or greater according to DIN EN 1465 high speed impact test. Preferably, the adhesive exhibits 30 minutes after application a peak strength of about 1.6 MPa or greater and an energy uptake of about 2.5 J or greater in a high speed impact test at 4 m/s and more preferably after full cure a strength of at least 3 MPa in a quasi- static lap shear test at 10 mm/min according to DIN EN 1465. In a preferred embodiment, the filler comprises one or more carbon blacks, one or more non- pigmented fillers, one or more calcium carbonates, one or more thixotropes or a combination thereof. In a preferred embodiment, the one or more carbon black compositions are present in an amount such that the composition has a resistivity of at least 10 10 Ohm-cm. In another preferred embodiment, a combination of one or more fillers and one or more isocyanate functional polyester based prepolymers is present in a sufficient amount that the composition exhibits a press flow viscosity of about 8 grams per minute or more.
    • 在一个实施方案中,本发明是一种组合物,其包含:a)一种或多种多分散性小于约2.5的异氰酸酯官能的聚醚基预聚物,其通过凝胶渗透色谱法在Mp> 1000下测定; b)一种或多种增塑剂,其量足以使组合物在-10℃,优选约15重量%或更低的量的温度下泵送并施加到基材上; c)足量的一种或多种填料,使得组合物表现出压力粘度或约8克/分钟或更高; d)一种或多种用于使异氰酸酯部分与异氰酸酯反应性基团反应的催化剂; 其中根据DIN EN 1465高速冲击试验,组合物在施加后30分钟内显示约1.6MPa或更高的高速冲击。 优选地,在高速冲击试验中,粘合剂在施加后30分钟时的峰值强度为约1.6MPa或更大,并且在4m / s的高速冲击试验中的能量摄取为约2.5J或更大,更优选在完全固化后的强度至少为 根据DIN EN 1465,以10mm / min的准静态搭接剪切试验3MPa。在优选实施方案中,填料包含一种或多种炭黑,一种或多种非着色填料,一种或多种碳酸钙,一种 或更多的触变剂或其组合。 在优选的实施方案中,一种或多种炭黑组合物的存在量使得组合物的电阻率至少为1010欧姆 - 厘米。 在另一个优选的实施方案中,一种或多种填料和一种或多种异氰酸酯官能聚酯基预聚物的组合以足够的量存在,使得组合物显示出约8克/分钟或更高的压力流动粘度。