Process for producing a shaped product

Details Process for producing a shaped product Process for producing a shaped product

1997-06-20

1999-02-02

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Optical fiber, waveguide, or preform

264 138, 264494, 264496, B29D 1100, B29C 3508

Patent

active

058660470

ABSTRACT:
A process for producing a shaped product, which includes polymerizing a mixture comprising an iniferter and a radical polymerizable monomer to obtain a half polymer having a rate of polymerization of from 5 to 90 wt %, filling the half polymer in a predetermined cavity and then applying a polymerization energy again to the half polymer to complete polymerization.

REFERENCES:
patent: 5318999 (1994-06-01), Mitra et al.
patent: 5449703 (1995-09-01), Mitra et al.

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