JPS57109830A - Manufacturing of laminated sheet - Google Patents
Manufacturing of laminated sheetInfo
- Publication number
- JPS57109830A JPS57109830A JP18746880A JP18746880A JPS57109830A JP S57109830 A JPS57109830 A JP S57109830A JP 18746880 A JP18746880 A JP 18746880A JP 18746880 A JP18746880 A JP 18746880A JP S57109830 A JPS57109830 A JP S57109830A
- Authority
- JP
- Japan
- Prior art keywords
- pref
- alcohol
- resin
- laminated sheet
- plasticizer
- 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
Abstract
PURPOSE: To manufacture a laminated sheet having excellent punchability, by using a resin varnish obtained by compounding a curable unsaturated resin with a plasticizer composed of a reaction product of tung oil, maleic anhydride and an alcohol.
CONSTITUTION: 1mol of maleic anhydride is made to react with pref. 1W2mol of of tung oil, and then with an alcohol (pref. those having polymerizable unsaturated group, e.g. allyl alcohol) to obtain a plasticizer. The amount of the alcohol is pref. 0.5W1.5 times mole of the tung oil. Pref. 10W20pts.wt. of the plasticizer is added to 100pts. of a curable unsaturated resin such as unsaturated polyester resin to obtain a resin varnish. A proper number of substrate sheets impregnated with the varnish are laminated, and cured to obtain the objective laminated sheet.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18746880A JPS57109830A (en) | 1980-12-26 | 1980-12-26 | Manufacturing of laminated sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18746880A JPS57109830A (en) | 1980-12-26 | 1980-12-26 | Manufacturing of laminated sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57109830A true JPS57109830A (en) | 1982-07-08 |
Family
ID=16206602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18746880A Pending JPS57109830A (en) | 1980-12-26 | 1980-12-26 | Manufacturing of laminated sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57109830A (en) |
-
1980
- 1980-12-26 JP JP18746880A patent/JPS57109830A/en active Pending
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