JPS5446234A - Thermosetting powder coating composition - Google Patents

Thermosetting powder coating composition

Info

Publication number
JPS5446234A
JPS5446234A JP11295177A JP11295177A JPS5446234A JP S5446234 A JPS5446234 A JP S5446234A JP 11295177 A JP11295177 A JP 11295177A JP 11295177 A JP11295177 A JP 11295177A JP S5446234 A JPS5446234 A JP S5446234A
Authority
JP
Japan
Prior art keywords
group
powder coating
hydroxyl group
anhydride
substance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11295177A
Other languages
Japanese (ja)
Inventor
Tadashi Watanabe
Ichiro Yoshihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kansai Paint Co Ltd
Original Assignee
Kansai Paint Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kansai Paint Co Ltd filed Critical Kansai Paint Co Ltd
Priority to JP11295177A priority Critical patent/JPS5446234A/en
Publication of JPS5446234A publication Critical patent/JPS5446234A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Epoxy Resins (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: To obtain the title composition capable of forming thick coating with improved smoothness, having improved water and alkali resistance, by incorporating a specific amount of an epoxy group-containing compound with a powder coating compound consisting of a hydroxyl group-containing resin and an acid anhydride.
CONSTITUTION: A composition consisting mainly of (A) a mixture comprising (a) a hydroxyl group-containing resin, e.g. polyester resin, etc., with a hydroxyl number of preferably 30W100, having a softening point of 65W120°C, (b) a substance having anhydride groups, e.g. pyromellitic anhydride, etc., having a metting point of 40°C or above, and (c) a substance having two or more epoxy groups in one molecule and a softening point of preferably 40°C or above which is solid at room temperature in molar ratios of hydroxyl group to acid anhydride group and epoxy group of 1:0.5W 1.2:0.5W1.2.
COPYRIGHT: (C)1979,JPO&Japio
JP11295177A 1977-09-20 1977-09-20 Thermosetting powder coating composition Pending JPS5446234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11295177A JPS5446234A (en) 1977-09-20 1977-09-20 Thermosetting powder coating composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11295177A JPS5446234A (en) 1977-09-20 1977-09-20 Thermosetting powder coating composition

Publications (1)

Publication Number Publication Date
JPS5446234A true JPS5446234A (en) 1979-04-12

Family

ID=14599598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11295177A Pending JPS5446234A (en) 1977-09-20 1977-09-20 Thermosetting powder coating composition

Country Status (1)

Country Link
JP (1) JPS5446234A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4994722A (en) * 1972-12-01 1974-09-09
JPS4996018A (en) * 1972-12-02 1974-09-11
JPS4996022A (en) * 1972-12-11 1974-09-11
JPS4996020A (en) * 1972-12-11 1974-09-11
JPS49101410A (en) * 1972-12-04 1974-09-25
JPS5012122A (en) * 1972-12-01 1975-02-07
JPS5411937A (en) * 1977-06-30 1979-01-29 Hitachi Chem Co Ltd Production of powder coating composition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4994722A (en) * 1972-12-01 1974-09-09
JPS5012122A (en) * 1972-12-01 1975-02-07
JPS4996018A (en) * 1972-12-02 1974-09-11
JPS49101410A (en) * 1972-12-04 1974-09-25
JPS4996022A (en) * 1972-12-11 1974-09-11
JPS4996020A (en) * 1972-12-11 1974-09-11
JPS5411937A (en) * 1977-06-30 1979-01-29 Hitachi Chem Co Ltd Production of powder coating composition

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