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21. 发明申请

US20060014901A1 Novel wax-like polymer for use in hot melt adhesive applications 审中-公开
标题翻译：用于热熔胶应用的新型蜡状聚合物
公开(公告)号：US20060014901A1
公开(公告)日：2006-01-19
申请号：US11232345
申请日：2005-09-22
申请人： Aziz Hassan , Gregory Borsinger , Teresa Karjala
发明人： Aziz Hassan , Gregory Borsinger , Teresa Karjala
IPC分类号： C08F8/00
CPC分类号： C09J123/0853 , C08L23/0815 , C08L23/16 , C08L2666/02 , C08L2666/06 , C09J123/0815
摘要： Adhesives comprising one or more tackifiers, ethylene vinyl acetate copolymers (“EVA”) and a low viscosity, low number average molecular weight (Mn between 700 and less than 1000) ethylene/alpha-olefin interpolymer which has wax-like properties, and produced using a single metallocene catalyst system, were formulated, and have adhesive characteristics over a broad temperature range. These hot melt adhesive compositions (“HMAs”) have properties comparable to those of commercially available, three component HMAs comprising ethylene vinyl acetate polymers, tackifier and wax. HMA embodiments include those wherein the ethylene/alpha-olefin interpolymers comprise ethylene and propylene as copolymers, and the interpolymer has a low Brookfield viscosity, between 20-50 centipoise at 300° F.
摘要翻译：包含一种或多种增粘剂，乙烯乙酸乙烯酯共聚物（“EVA”）和低粘度，低数均分子量（700和小于1000之间的M n N）的乙烯/α-烯烃互聚物的粘合剂，其中具有蜡状性质，并且使用单一茂金属催化剂体系制备，并且在宽温度范围内具有粘合特性。这些热熔粘合剂组合物（“HMA”）具有与可商购的三组分HMA（包括乙烯 - 乙酸乙烯酯聚合物，增粘剂和蜡）相当的性质。 HMA实施方案包括其中乙烯/α-烯烃互聚物包含乙烯和丙烯作为共聚物的那些，并且互聚物具有低的Brookfield粘度，在300°F下在20-50厘泊之间

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