JPS5667321A - Production of soft resin - Google Patents
Production of soft resinInfo
- Publication number
- JPS5667321A JPS5667321A JP14425479A JP14425479A JPS5667321A JP S5667321 A JPS5667321 A JP S5667321A JP 14425479 A JP14425479 A JP 14425479A JP 14425479 A JP14425479 A JP 14425479A JP S5667321 A JPS5667321 A JP S5667321A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- vinyl acetate
- value period
- temperature
- ethylene
- 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
- Graft Or Block Polymers (AREA)
Abstract
PURPOSE: To obtain titled resin which can provide moldings having excellent heat- distortion resistance and high-temperature tensile strength, by grafting vinyl chloride onto an ethylene/vinyl acetate copolymer in the presence of a crosslinking agent having a specified half-value period.
CONSTITUTION: A soft resin is obtained by grafting, in an aqueous medium, onto (I) 20W80wt% of an ethylene/vinyl acetate copolymer, (II) 80W20wt% of (i) vinyl chloride and optionally (ii) other copolymerizable monomers such as vinyl acetate at a temperature of 30W70°C in the presence of (a) an oil-soluble polymerization initiator, (b) a dispersant, and (c) a crosslinking agent having a 10 hr-half-value period higher than 80°C, such as a dialkyl peroxide. When the resin is molded at a temperature higher than 100°C, the crosslinking of the resin occurs concurrently to form a crosslinked molding. It is preferred to use, as the initiator (a), a compound having a 10 hr-half-value period of below 70°C.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14425479A JPS5667321A (en) | 1979-11-06 | 1979-11-06 | Production of soft resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14425479A JPS5667321A (en) | 1979-11-06 | 1979-11-06 | Production of soft resin |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5667321A true JPS5667321A (en) | 1981-06-06 |
Family
ID=15357816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14425479A Pending JPS5667321A (en) | 1979-11-06 | 1979-11-06 | Production of soft resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5667321A (en) |
-
1979
- 1979-11-06 JP JP14425479A patent/JPS5667321A/en active Pending
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