JPS5618642A - Urea resin molded product - Google Patents
Urea resin molded productInfo
- Publication number
- JPS5618642A JPS5618642A JP9445579A JP9445579A JPS5618642A JP S5618642 A JPS5618642 A JP S5618642A JP 9445579 A JP9445579 A JP 9445579A JP 9445579 A JP9445579 A JP 9445579A JP S5618642 A JPS5618642 A JP S5618642A
- Authority
- JP
- Japan
- Prior art keywords
- urea resin
- water
- molded product
- holding agent
- resin molded
- 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
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: Titled molded product having a reduced shrinkage during and after molding and craze resistance and being inexpensive and suitable as a material for mah- jongg tiles with an ivorylike appearance, prepared by adding a water-holding agent which absorbs and holds the water formed during the polycondensation reaction for producing a urea resin.
CONSTITUTION: A urea resin molding material is mixed with 0.3W6.8wt% of a water-holding agent and the resulting mixture is molded. As the water-holding agent, there can be mentioned γ-palmitolactone, γ-stearolactone and ε-caprolactam.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9445579A JPS5618642A (en) | 1979-07-25 | 1979-07-25 | Urea resin molded product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9445579A JPS5618642A (en) | 1979-07-25 | 1979-07-25 | Urea resin molded product |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5618642A true JPS5618642A (en) | 1981-02-21 |
Family
ID=14110732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9445579A Pending JPS5618642A (en) | 1979-07-25 | 1979-07-25 | Urea resin molded product |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5618642A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54144445A (en) * | 1978-04-30 | 1979-11-10 | Matsushita Electric Works Ltd | Molding material of thermosetting resin |
-
1979
- 1979-07-25 JP JP9445579A patent/JPS5618642A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54144445A (en) * | 1978-04-30 | 1979-11-10 | Matsushita Electric Works Ltd | Molding material of thermosetting resin |
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