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EP0275115A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Coating composition curable at a low temperature

Assignee: Nippon Paint Co Ltd
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Filing: 1988-01-15
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Granted: —
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Expires: 2008-01-15
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Abstract

Abstract Disclosed is a coating composition curable at a low temperature, comprising (A) a hydroxyl-containing compound, (B) a metal chelate compound or a metal alcoholate compound and (C) a compound having an acid anhydride group. The composition further comprises a chelate-forming compound (D) and/or a tertiary amine (E).

Inventors

  • 👤 Hiroshi Miwa
  • 👤 Yoshitaka Okude
  • 👤 Katsumi Mizuguchi
  • 👤 Hidefumi Okuda

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 02:13
CPC Classifications
C; C09; C09D; C09D183/00; C09D183/04; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025; C08K5/0091; C08K5/04; C08K5/05; C08K5/057; C08K5/16; C08K5/17; C09D201/00; C09D201/02; C09D201/06; C09D7/00; C09D7/40; C09D7/60; C09D7/63; C08K5/09

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 32 words
A coating composition curable at a low temperature, comprising; (A) a hydroxyl-containing compound, (B) a metal chelate compound or a metal alcoholate compound, and (C) a compound having an acid anhydride group.
Claim 2
Dependent Claim 32 words
A coating composition curable at a low temperature, comprising; (A) a hydroxyl-containing compound, (B) a metal chelate compound or a metal alcoholate compound, and (C) a compound having an acid anhydride group.
Claim 3
Dependent Claim 13 words
The coating composition according to Claim 1 further containing a chelate-forming compound (D).
Claim 4
Dependent Claim 20 words
The coating composition according to Claim 1 or Claim 2 additionally containing a tertiary amine (E) as a curing promoter.
Claim 5
Dependent Claim 38 words
To the coating composition according to any one of Claims 1 to 3 wherein said hydroxyl-containing compound (A) is selected from the group consisting of low moleculare weight diols, polyester resins, acrylic resins, silicon resins and polybutadiene resins.
Claim 6
Dependent Claim 51 words
The coating composition according to any one of Claims 1 to 3 wherein said metal chelate compound or a metal alcolate compound (B) is selected from the group consisting of a chelate compound of Ti, Al, Zr, Co, Cr, Ni or Fe; and an alcoholate compound of Ti, Al or Zr.
Claim 7
Dependent Claim 26 words
The coating composition according to any one of Claims 1 to 3 wherein said metal chelate compoud is a chelate compound of Ti, Al or Zr.
Claim 8
Dependent Claim 33 words
The coating composition according to any one of Claims 1 to 3 wherein said compoud having an anhydride group (C) is a low molecular weight anhydride or a polymer having an anhydride group.
Claim 9
Dependent Claim 23 words
The coating composition according to any one of Claims 1 to 3 wherein said chelate-forming compound (D) is a eto, kenol tautomerism compound.
Claim 10
Dependent Claim 61 words
The coating composition according to any one of Claims 1 to 3 which contains said metal chelate compound or a metal alcolate compound (B) in an amount of 0.1 to 3.0 equivalent and said compoud having an anhydride group (C) in an amount of 0.1 to 10.0 equivalent based on one equivalent of the hydroxyl group of the hydroxyl-containing compound (A).
Claim 11
Dependent Claim 36 words
The coating composition according to any one of claim 1 to 3 which contains said tertiary amine (E) in an amount of 0.1 to 1.5 equivalent based on the hydroxyl group of the hydroxyl-containing compound (A).

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