Adhesive composition, cured product, and bonded body
AssigneeThreebond Co., Lid.
InventorYusuke Kuwahara
Life of this patent
Estimating the term…
Abstract
An adhesive composition which is excellent in adhesion to various hardly adhesive materials such as polyethylene terephthalate, polyethylene, polypropylene, modified polyphenylene ether, polyphenylene sulfide, and a cycloolefin polymer. Further, an adhesive composition containing the following components (A) to (C) may be described Component (A): (Meth) acrylic triblock elastomer having a weight average molecular weight of 80,000 or more, Component (B): (Meth) acrylate monomer having no hydroxyl group and having a phenoxy group, and Component (C): Radical initiator.
Claims13
An adhesive composition comprising the following components (A) to (C):
- component (A):
- (Meth) acrylic triblock elastomer having a melt flow index (190° C., 2.16 kg) of 0.01 or more and 20 or less and having a weight average molecular weight of 80,000 or more,
- component (B):
- (Meth) acrylate monomer having no hydroxyl group and having a phenoxy group, and
- component (C):
- Radical initiator,
- wherein the component (A) is an X—Y—X type (meth) acrylic triblock elastomer formed of a segment X which is a polymer of a (meth)acrylate compound and a segment Y which is a polymer of a (meth)acrylate compound,
- wherein the component (B) consists of phenoxyethyl acrylate.
An adhesive composition comprising the following components (A) to (C):
- component (A):
- (Meth) acrylic triblock elastomer having a melt flow index (190° C., 2.16 kg) of 0.01 or more and 20 or less and having a weight average molecular weight of 80,000 or more,
- component (B):
- (Meth) acrylate monomer having no hydroxyl group and having a phenoxy group, and
- component (C):
- Radical initiator,
- wherein the component (A) is an X—Y—X type (meth) acrylic triblock elastomer formed of a segment X which is a polymer of a (meth)acrylate compound and a segment Y which is a polymer of a (meth)acrylate compound;
- wherein the adhesive composition has a PPE peel adhesion strength of 15.0 N/m or more, and
- wherein the adhesive composition has a PPS peel adhesion strength of 14.0 N/m or more.
Dependencies are inferred from the claim text.