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The Study of the Formulations and Processing Parameter of Silane Cross-Linked PE Specially for Pipe and Cable

Author: LiYunDe
Tutor: YuanHuiLin
School: Beijing University of Chemical Technology
Course: Materials Processing Engineering
Keywords: Polyethylene Silane crosslinking Gel content Melt flow rate Halogen-free flame retardant
CLC: TQ325.12
Type: Master's thesis
Year: 2002
Downloads: 599
Quote: 2
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Abstract


This paper systematically studied silane crosslinked polyethylene formulations , processes and special materials . Choice , analysis of the resin structure of the resin , and the initiator and the grafting monomer and the initiator agent and a graft monomer type and amount of the gel content and the melt flow rate ; equipment and process conditions for crosslinking expected performance , determine the best equipment and process conditions for the preparation of silane crosslinked material ; investigated the rheological properties of silane grafted material online rheometer ; expanding chain reaction chemical model derived reaction order , activation and the frequency factor , quantitative analysis of moisture, temperature, catalyst graft material melt flow ; investigate the microscopic structure and macroscopic properties of silane cross -linked polyethylene , gel content of cross-linked polyethylene density , crystalline properties , mechanical properties and thermal properties , and changes in the macroscopic properties from the microscopic structure of the silane crosslinked polyethylene to give a reasonable explanation; silane crosslinked polyethylene specialized material formulations prepared performance silane crosslinked polyethylene pipe resin and the cable special materials ; analysis and influencing factors of mechanical properties and flame retardant properties of halogen-free flame retardant cable and silane cross-linked halogen-free flame retardant cable yielded good results .

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CLC: > Industrial Technology > Chemical Industry > Synthetic resins and plastics industry > Polymer resin and plastic > Polyolefin plastic > Polyethylene
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