Method for reforming a liquid crystal resin composite

Details Method for reforming a liquid crystal resin composite Method for reforming a liquid crystal resin composite

1995-03-03

1997-05-27

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642108, B29C 4700

Patent

active

056329458

ABSTRACT:
A method for remanufacturing a composite resin having high tensile strength and high rigidity into a remanufactured molded product having the same tensile strength and rigidity which includes the steps of: providing a molded product of a composite resin of thermoplastic resin and liquid crystal polymer having a crystal transition point higher than a minimum moldable temperature of the thermoplastic resin; crushing the composite resin into particles or pieces; heating the particles or pieces at a temperature higher than the transition temperature of the liquid crystal polymer to obtain a molten composite resin by using an injection forming apparatus; extruding the molten composite resin at a temperature higher than the transition temperature of the liquid crystal polymer to obtain a moldable composite material of a sheet or strand form; and forming the moldable composite material into a molded product in a given shape at a temperature lower than the transition temperature of the liquid crystal polymer.

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patent: 4467969 (1984-08-01), Godfrey et al.
patent: 4728698 (1988-03-01), Isayev et al.
patent: 4992514 (1991-02-01), Schultze et al.
"Summary of Technology Report for Recycling FRP Waste".

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