JPS5618642A - Urea resin molded product - Google Patents

Urea resin molded product

Info

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
Application number
JP9445579A
Other languages
Japanese (ja)
Inventor
Midori Iwasaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP9445579A priority Critical patent/JPS5618642A/en
Publication of JPS5618642A publication Critical patent/JPS5618642A/en
Pending legal-status Critical Current

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  • 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
JP9445579A 1979-07-25 1979-07-25 Urea resin molded product Pending JPS5618642A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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