PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Title:

PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Document Type and Number:

Japanese Patent JPH0693239

Kind Code:

A

Abstract:

PURPOSE: To obtain a pressure-sensitive adhesive showing excellent tackiness even in the presence of water not to mention in the absence of water.

CONSTITUTION: A pressure-sensitive adhesive comprises an emulsion of a (meth) acrylic copolymer having ≤-40°C glass transition temperature obtained by subjecting a monomer mixture of (a) 70-99.9wt.% one or more (meth)acrylic monomers having <2g/100g water solubility at 25°C, (b) 0.1-10wt.% polyfunctional monomer and (c) 0-20wt.% one or more ethylenic unsaturated monomers except the components (a) and (b) to emulsion polymerization by reacting only a reactive surfactant as a surfactant in the presence of a radical polymerization initiator as a main component.

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Inventors:

KINOSHITA KOUJI
FUKAKUSA KAZUHIRO
FUKUZUMI TAKESHI
TAKAHATA NOBUYUKI

Application Number:

JP27099792A

Publication Date:

April 05, 1994

Filing Date:

September 14, 1992

Export Citation:

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Assignee:

NISSHIN KAGAKU KOGYO KK

International Classes:

C08F2/24; C08F2/22; C08F20/18; C08F220/10; C09J133/04; C09J133/06; (IPC1-7): C09J133/06

Attorney, Agent or Firm:

Ryoichi Yamamoto (1 person outside)

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