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HDPE RESINS FOR USE IN PRESSURE PIPE AND RELATED APPLCATIONS
HDPE RESINS FOR USE IN PRESSURE PIPE AND RELATED APPLCATIONS
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机译:用于压力管道的HDPE树脂及相关应用
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摘要
The present invention provides bimodal polyethylene resins in which the high molecular weight ethylene copolymef component typically has a relatively narrow molecular weight distribution, with short chain branching content being substantially constant across its molecular weight distribution. The resins of this invention are typically characterized by unproved toughness and resistance to slow crack propagation properties making them useful for pressure pipe applications.
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