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Title:
PRIMER COMPOSITION
Document Type and Number:
Japanese Patent JP2007112832
Kind Code:
A
Abstract:

To provide a primer composition for forming a primer layer capable of improving the close adhesion of a substrate with a layer formed on the substrate.

This primer composition for forming the primer layer on the surface of the substrate contains (A) an acid-modified hydrogenated styrene-butadiene-styrene block copolymer having a form of adding an α,β-unsaturated carboxylic acid or its anhydride to the hydrogenated material of the styrene-butadiene-styrene block copolymer and (B) a polyester polyol having 50-200 mgKOH/g hydroxy value. The polyester polyol (B) is preferably a condensate of (B1) a polyprotic carboxylic acid component containing mainly an aliphatic polyprotic carboxylic acid and (B2) a polyhydric alcohol component containing mainly an aliphatic polyhydric alcohol.


Inventors:
HAYASHI KOJI
EJIMA YASUSHI
UEHARA KENJI
Application Number:
JP2005302964A
Publication Date:
May 10, 2007
Filing Date:
October 18, 2005
Export Citation:
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Assignee:
KONISHI CO LTD
PACK CORP
International Classes:
C09D153/02; C09D5/00; C09D151/00; C09D167/00
Domestic Patent References:
JPH05279622A1993-10-26
JPH0657202A1994-03-01
JPH0841435A1996-02-13
JPH06192350A1994-07-12
JPH0987582A1997-03-31
JP2003313332A2003-11-06
JP2000198807A2000-07-18
JP2002282774A2002-10-02
JPH05279431A1993-10-26
Attorney, Agent or Firm:
Yukihisa Goto
Mibu Yuko



 
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