Anaerobically curable sealing composition containing (A) acrylate derivative of bisphenol A and (B) hydroxyacrylate
AssigneeThree Bond Co., Ltd.
InventorTsutomu Saito
Life of this patent
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Abstract
An anaerobically curable sealing composition comprising a polymerizable monomer and an organic peroxide, characterized in that said monomer is a mixture of bisphenol type compound (A) and hydroxy type compound (B), the amount ratio of said (A) and (B) being; A: 95 to 50 parts by weight, B: 50 to 5 parts by weight, Whereby providing to the composition many kinds of excellent characteristics, such as being speedy in curing rate, greater in adhesive force, etc..
Claims8
An anaerobically curable sealing composition comprising a polymerisable monomer and an organic peroxide, characterized in that said monomer is a mixture of the following monomers (A) and (B), the ratio of the amounts of which are:
- Monomer (A) :
- 95 to 50 parts by weight,
- Monomer (B) :
- 50 to 5 parts by weight.
- monomer (A) having the general formula of ##STR5## wherein, R represents hydrogen or alkyl radical having from 1 to 4 carbon atoms, R' represents alkylene radical having from 2 to 4 carbon atoms and m represents an integer of from 2 to 8,
- monomer (B) having the general formula of ##STR6## in which, R.sub.1 indicates hydrogen or alkyl radical having from 1 to 4 carbon atoms, R.sub.2 indicates --CH.sub.2 --CH.sub.3, --CH.sub.2 --CH.sub.2 --CH.sub.3 or ##STR7## and n indicates an integer of from 1 to 3.
Dependencies are inferred from the claim text.