JPS5667321A - Production of soft resin - Google Patents

Production of soft resin

Info

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
Application number
JP14425479A
Other languages
Japanese (ja)
Inventor
Hiromitsu Tachibana
Masahiko Takada
Zenzaburo Ogoshi
Masahiro Kobayashi
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Priority to JP14425479A priority Critical patent/JPS5667321A/en
Publication of JPS5667321A publication Critical patent/JPS5667321A/en
Pending legal-status Critical Current

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
JP14425479A 1979-11-06 1979-11-06 Production of soft resin Pending JPS5667321A (en)

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)

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