Title:
【発明の名称】イオウ含有アクリルオリゴマ―組成物
Document Type and Number:
Japanese Patent JP2512522
Kind Code:
B2
Abstract:
A sulfur-containing acryl oligomer composition represented by formula (I): wherein R1 represents a hydrogen atom or a methyl group; R2 and R3 each represents an alkylene group having from 1 to 12 carbon atoms; R4 represents an alkylene group having from 1 to 12 carbon atoms, an oxydialkylene group having from 2 to 12 carbon atoms, or an aralkylene group having from 6 to 20 carbon atoms; X represents a chlorine, bromine or iodine atom; m represents 0 or an integer of from 1 to 4; and n represents an average degree of oligomerization of 10 or smaller. The oligomer composition provides on polymerization a cured product having a refractive indices of 1.60 or higher, excellent transparency, and optical uniformity and is therefore useful as a material for plastic lenses.
Inventors:
HAYAKAWA SEIICHIRO
ICHIHARA YOSHIJI
ICHIHARA YOSHIJI
Application Number:
JP8263888A
Publication Date:
July 03, 1996
Filing Date:
April 04, 1988
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
C07C67/00; C07C313/00; C07C323/12; C08G75/02; C08G75/04; G02B1/04; (IPC1-7): C07C323/12
Attorney, Agent or Firm:
Takaya Yamamoto