Polyolefin pipe

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

524108, 524109, C08J 510, C08K 515

Patent

active

060516380

ABSTRACT:
Polyolefin pipes, and particularly gas pipe, in which the olefin polymer has been nucleated with from 1,500 to 10,000 ppm based on the weight of the polyolefin of a nucleating agent which is a dibenzylidene derivative of sorbitol or xylitol have an improved long term hydrostatic strength.

REFERENCES:
patent: 5198484 (1993-03-01), Mannion
Gas Phase Ethylene Polymerization: Production Processes, Polymer Properties, and Reactor Modeling Tuyu Xie, Kim B. McAuley, James C.C. Hsu and David W. Bacon--Department of Chemical Engineering, Queen's University, Kingston, Ontario, Canada.

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