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Title:
COATING MATERIAL COMPOSITION FOR PRECOATED STEEL SHEET, PRECOATED STEEL SHEET AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH10273621
Kind Code:
A
Abstract:

To obtain the subject composition, capable of not only having a high coating film hardness and excellent processability and fouling resistance but also excellent in corrosion resistance and useful as a household appliance, etc., by mixing a specific blocked polyisocyanate compound as a curing for use.

This composition consists essentially of a resin component composed of (A) a compound represented by formula I [(n) is 2-10; R is represented by formula II or III in an amount of 1-15 wt.% based on the resin solid content, (B) a polyol except the component A and (C) a curing agent prepared by mixing (i) a blocked polyisocyanate compound obtained by blocking one or more polyisocyanate compounds selected from a polyisocyanate such as 4,4'-diphenylmethane diisocyanate or isophorone diisocyanate and its derivatives/with (ii) a blocked polyisocyanate compound prepared by blocking one or more polyisocyanate compounds selected from a polyisocyanate such as hexamethylene diisocyanate and its derivatives.


Inventors:
IOYASHIKI TAKASHI
YOSHIDA KEIJI
SAGIYAMA MASARU
YAMASHITA MASAAKI
KAJITA YASUYUKI
KATO HIROYUKI
SASAKI KENICHI
KOTANI KEIICHI
TOYODA YASUHIRO
EBARA MAMORU
TANAKA KATSUYOSHI
Application Number:
JP2924198A
Publication Date:
October 13, 1998
Filing Date:
January 27, 1998
Export Citation:
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Assignee:
NIPPON KOKAN KK
NIPPON PAINT CO LTD
International Classes:
B05D7/14; B32B15/08; C08G18/32; C08G18/79; C08G18/80; C09D175/04; (IPC1-7): C09D175/04; B05D7/14; B32B15/08; C08G18/32; C08G18/79; C08G18/80
Attorney, Agent or Firm:
Tomomachi Masatoshi