JPS57121018A - Preparation of modified melamine resin - Google Patents

Preparation of modified melamine resin

Info

Publication number
JPS57121018A
JPS57121018A JP870981A JP870981A JPS57121018A JP S57121018 A JPS57121018 A JP S57121018A JP 870981 A JP870981 A JP 870981A JP 870981 A JP870981 A JP 870981A JP S57121018 A JPS57121018 A JP S57121018A
Authority
JP
Japan
Prior art keywords
melamine
precondensate
1mol
pref
formaldehyde
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
JP870981A
Other languages
Japanese (ja)
Inventor
Tokio Yoshimitsu
Soichi Horibata
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP870981A priority Critical patent/JPS57121018A/en
Publication of JPS57121018A publication Critical patent/JPS57121018A/en
Pending legal-status Critical Current

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To prepare the titled resin having excellent storage stability and water-solubility, and giving a cured product having excellent bending formability, by adding a specific amount of formaldehyde to melamine, reacting under alkaline condition, and adding guanamine compound and ≥3-hydric alcohol to the reaction product.
CONSTITUTION: 1.14W18mol of formaldehyde is added to 1mol of melamine, and made to react under alkaline condition to obtain the precondensate of melamine resin. The precondensate is mixed with pref. 0.05W2mol of a guanamine compound such as acetoguanamine, benzoguanamine, etc. and pref. 0.02W0.12mol of a ≥3-hydric alcohol (e.g. tris-hydroxyethyl isocyanurate) based on 1mol of melamine.
EFFECT: It gives a cured product having excellent thermal crazing resistance.
USE: Decorative laminate for post-forming, paint, etc.
COPYRIGHT: (C)1982,JPO&Japio
JP870981A 1981-01-22 1981-01-22 Preparation of modified melamine resin Pending JPS57121018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP870981A JPS57121018A (en) 1981-01-22 1981-01-22 Preparation of modified melamine resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP870981A JPS57121018A (en) 1981-01-22 1981-01-22 Preparation of modified melamine resin

Publications (1)

Publication Number Publication Date
JPS57121018A true JPS57121018A (en) 1982-07-28

Family

ID=11700459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP870981A Pending JPS57121018A (en) 1981-01-22 1981-01-22 Preparation of modified melamine resin

Country Status (1)

Country Link
JP (1) JPS57121018A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0561432A1 (en) * 1992-01-29 1993-09-22 Dsm N.V. Diamino-S-triazine-modified melamine-formaldehyde resin composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0561432A1 (en) * 1992-01-29 1993-09-22 Dsm N.V. Diamino-S-triazine-modified melamine-formaldehyde resin composition

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