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Adhesive compositions based on blends of grafted metallocene catalyzed and non-grafted conventional polyethylenes
Adhesive compositions based on blends of grafted metallocene catalyzed and non-grafted conventional polyethylenes
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机译:基于接枝金属茂催化的和非接枝常规聚乙烯的共混物的胶粘剂组合物
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摘要
Polyethylene-based adhesive compositions which contain as little as 5 weight percent, and up to 35 weight percent of an acid-grafted metallocene polyethylene have superior peel strength to comparable compositions containing an acid grafted non-metallocene polyethylene. Compositions where the acid-grafted metallocene polyethylene component is based on a metallocene polyethylene having a melt-flow ratio of less than 6.53 and an Mw/Mn of greater than the melt flow ratio less 4.63 are as good adhesive compositions as those based on metallocene resins falling outside these parameters.
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