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Patent Searching and Data


Title:
POLYESTER POLYOL RESIN AND COATING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/084063
Kind Code:
A1
Abstract:
Provided are a polyester polyol resin that is highly soluble in weak solvents and yields a cured film exhibiting superior weather resistance and balance between hardness and flexibility, and a curable resin composition, coating material, and coated steel plate using the same. Said resin is a polyester polyol resin having a weight-average molecular weight (Mw) in a range of 3,000 to 120,000, the resin being characterized in that the following (A) to (D) are essential reaction feedstock materials thereof, the proportion of (C), an aliphatic dicarboxylic acid or derivative thereof, to the total mass of dicarboxylic acid feedstock being in a range of 1–30% by mass: (A) a straight-chain aliphatic diol compound comprising 5–12 carbon atoms; (B) 2-methyl-1,3-propanediol; (C) an aliphatic dicarboxylic acid or derivative thereof; and (D) an aromatic dicarboxylic acid or derivative thereof (D).

Inventors:
ALEJANDRO GRAN MARTINEZ (JP)
MATSUSHITA MIO (JP)
Application Number:
PCT/JP2017/038678
Publication Date:
May 11, 2018
Filing Date:
October 26, 2017
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08G63/16; B32B15/08; C08L67/02; C09D167/02
Domestic Patent References:
WO2011132551A12011-10-27
Foreign References:
JP2013032424A2013-02-14
JP2016113615A2016-06-23
JP2016145276A2016-08-12
JP2003138204A2003-05-14
JP2006290907A2006-10-26
JP2017002158A2017-01-05
JPH10176135A1998-06-30
JPH11322909A1999-11-26
JP2002155133A2002-05-28
JP2013227467A2013-11-07
Attorney, Agent or Firm:
KONO Michihiro (JP)
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