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Title:
LATEX FOR COATED FORMWORK PLYWOOD FOR CONCRETE AND WATER-BASED COATING MATERIAL COMPOSITION
Document Type and Number:
Japanese Patent JP3648851
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a water-based coating material for a coated formwork plywood for a concrete by using a rubber-based aqueous latex, having performances comparable to those of a one-pack type water-based urethane emulsion coating material, excellent in storage stability and more inexpensive than the water-based urethane emulsion coating material.
SOLUTION: The latex and the coating material composition are obtained by copolymerizing an aliphatic conjugated diene monomer in an amount of 10-89.5wt.% (based on a monomer mixture) with an ethylenically unsaturated carboxylic acid ester monomer in an amount of 5-60wt.% (based on the monomer mixture), an ethylenically unsaturated carboxylic acid monomer in an amount of 0.5-10wt.% (based on the monomer mixture) and an ethylenically unsaturated monomer copolymerizable therewith in an amount of 5-84.5wt.% (based on the monomer mixture).


Inventors:
Aida Toshiaki
Application Number:
JP16051996A
Publication Date:
May 18, 2005
Filing Date:
May 31, 1996
Export Citation:
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Assignee:
Zeon Corporation
International Classes:
E04G9/05; C08L9/00; C08L21/02; C09D109/00; C09D109/10; C09D121/00; C09D163/00; (IPC1-7): C09D109/10; E04G9/05
Domestic Patent References:
JP56043360A
JP7157710A
JP6299000A
JP62171783A
JP59091158A
Attorney, Agent or Firm:
Eiji Tomomatsu
Toshikazu Kawashima