JPS57121018A - Preparation of modified melamine resin - Google Patents
Preparation of modified melamine resinInfo
- 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
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
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)
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 |
-
1981
- 1981-01-22 JP JP870981A patent/JPS57121018A/en active Pending
Cited By (1)
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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