Title:
ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AN DOUBLE-COATED TAPE
Document Type and Number:
Japanese Patent JP3204768
Kind Code:
B2
Abstract:
PURPOSE: To obtain an acrylic pressure-sensitive adhesive composition having excellent tack characteristics to a low-polarity material to be bonded, having excellent cohesive force at high temperature by blending a (meth)acrylic copolymer comprising a specific (meth)acrylic acid alkyl ester as a main component with a tackifier resin.
CONSTITUTION: (A) A (meth)acrylic copolymer consisting essentially of a 2-15C alkyl-containing (meth)acrylic acid alkyl ester comprising ≥30wt.% of a ≥8C alkyl-containing (meth)acrylic acid alkyl ester is blended with (B) a tackifier resin composed of (i) rosin or its derivative and (ii) a hydrogenated petroleum resin in the blending ratio of 10≤(component (ii)×100)/(components (i+ii))≤40% to give the objective composition. For example, ethyl (meth)acrylate is preferable as the composition A and hydrogenated rosin as the component B. A double coated tape can be produced by using the composition.
Inventors:
Masateru Fukuoka
Application Number:
JP169493A
Publication Date:
September 04, 2001
Filing Date:
January 08, 1993
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
C09J7/02; C09J133/04; C09J133/06; (IPC1-7): C09J133/06; C09J7/02
Domestic Patent References:
| JP280482A | ||||
| JP63241084A | ||||
| JP6460677A | ||||
| JP5221048A |