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Patent Searching and Data


Title:
PRODUCTION OF DI@(3754/24)METH)ALLYL DIPHENATE POLYMER
Document Type and Number:
Japanese Patent JPH0616750
Kind Code:
A
Abstract:

PURPOSE: To provide a di(meth)allyl diphenate polymer containing little residual monomers and residues originated from a polymerization initiator and suitable as an optical material.

CONSTITUTION: The di(meth)allyl diphenate polymer is produced by polymerizing a mixture of (A) a di(meth)allyl diphenate monomer, (B) a thermoplastic polymer obtained by polymerizing a di(meth)allyl diphenate monomer A to get a weight- average molecular weight of 1,000-20,000 and (C) a monomer containing at least two unsaturated groups in the molecule.


Inventors:
KASHIWAGI HISAYUKI
ISHIZUKA SATOSHI
MAEDA KOICHI
TAKIGAWA AKIO
Application Number:
JP17357592A
Publication Date:
January 25, 1994
Filing Date:
July 01, 1992
Export Citation:
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Assignee:
NIPPON SHEET GLASS CO LTD
International Classes:
C08F218/16; C08F18/14; C08F290/00; C08F299/00; (IPC1-7): C08F299/00
Attorney, Agent or Firm:
Ohno Seiichi