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Title:
RESIN COMPOSITION FOR COATING MATERIAL AND PRECOAT STEEL PLATE USING THE SAME
Document Type and Number:
Japanese Patent JP3558150
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain the subject composition capable of forming a resin layer excellent in processability, weather resistance, etc., carrying out thick film coating and using for primers or top coats by compounding specific resin components.
SOLUTION: This resin composition for primers is obtained by compounding (A) 3,3'-dimethyl-4,4'-diaminodicycloheyxylmethane of the formula with (B) a blocked produce of toylene diisocynate compound using ε-caprolactam as a blocking agent, having 2.0-9.0wt.% content of blocked NCO and 1,000 to 4,000 number-average molecular weight so that a ratio of isocyanate group to amino group becomes 0.6-2.0. The resin composition for top coats is obtained by compounding (C) a polyester resin satisfying prescribed conditions with (D) a blocked isocyanate compound satisfying prescribed conditions so that a ratio (molar ratio) of isocyanate group/hydroxyl group becomes 0.6-2.0.


Inventors:
Kawanishi Katsuji
Application Number:
JP28779796A
Publication Date:
August 25, 2004
Filing Date:
October 30, 1996
Export Citation:
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Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B05D7/14; B32B15/08; C08G18/32; C08G18/42; C08G18/80; C09D5/00; C09D175/02; C09D175/06; (IPC1-7): C09D5/00; B05D7/14; B32B15/08; C08G18/32; C08G18/42; C08G18/80; C09D175/02; C09D175/06
Domestic Patent References:
JP60108476A
JP57168957A
JP4816949A
Attorney, Agent or Firm:
Michio Mori
Terutada Hogami



 
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