JPS6487650A - Vinyl chloride polymer material resistant to gamma-ray - Google Patents

Vinyl chloride polymer material resistant to gamma-ray

Info

Publication number
JPS6487650A
JPS6487650A JP24509487A JP24509487A JPS6487650A JP S6487650 A JPS6487650 A JP S6487650A JP 24509487 A JP24509487 A JP 24509487A JP 24509487 A JP24509487 A JP 24509487A JP S6487650 A JPS6487650 A JP S6487650A
Authority
JP
Japan
Prior art keywords
vinyl chloride
gamma
ray
polymer material
olefin
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
JP24509487A
Other languages
Japanese (ja)
Inventor
Chiaki Yoshida
Munehiro Ikeda
Takeshi Shimizu
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 JP24509487A priority Critical patent/JPS6487650A/en
Priority to KR1019880012498A priority patent/KR890005163A/en
Priority to EP19880115891 priority patent/EP0309996A3/en
Publication of JPS6487650A publication Critical patent/JPS6487650A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a gamma-ray resistant vinyl chloride polymer material composed mainly of a vinyl chloride copolymer produced by copolymerizing a specific amount of an alpha-olefin and having especially high resistance to discoloration with gamma-ray irradiation. CONSTITUTION:The objective gamma-ray resistant vinyl chloride polymer material is composed mainly of a copolymer produced e.g. by suspension polymerization of 100pts.wt. of vinyl chloride with 0.5-10pts.wt. of an alpha-olefin (preferably 4-30C alpha-olefin) in the presence of a suspension agent (e.g. methylcellulose), an initiator (e.g. dioctyl peroxy dicarbonate) and other additives in an aqueous medium. The material may be added with 5-80pts.wt. (based on 100pts.wt. of said polymer) of a plasticizer (e.g. dioctyl phthalate), 2-15pts.wt. of a stabilizer (e.g. epoxidized soybean oil or zinc stearate) and other additives.
JP24509487A 1987-09-28 1987-09-28 Vinyl chloride polymer material resistant to gamma-ray Pending JPS6487650A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP24509487A JPS6487650A (en) 1987-09-28 1987-09-28 Vinyl chloride polymer material resistant to gamma-ray
KR1019880012498A KR890005163A (en) 1987-09-28 1988-09-27 Γ-resistant vinyl chloride-based resin material and method for producing copper-vinyl chloride-based resin
EP19880115891 EP0309996A3 (en) 1987-09-28 1988-09-27 Gamma-ray resistant polyvinyl chloride-based resinous material and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24509487A JPS6487650A (en) 1987-09-28 1987-09-28 Vinyl chloride polymer material resistant to gamma-ray

Publications (1)

Publication Number Publication Date
JPS6487650A true JPS6487650A (en) 1989-03-31

Family

ID=17128515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24509487A Pending JPS6487650A (en) 1987-09-28 1987-09-28 Vinyl chloride polymer material resistant to gamma-ray

Country Status (1)

Country Link
JP (1) JPS6487650A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157138A (en) * 1983-02-28 1984-09-06 Mitsui Toatsu Chem Inc Vinyl chloride resin composition
JPS61240959A (en) * 1985-04-17 1986-10-27 テルモ株式会社 Medical utensil
JPS62235347A (en) * 1986-04-03 1987-10-15 Shin Etsu Polymer Co Ltd Vinyl chloride based resin composition
JPS6438461A (en) * 1987-08-03 1989-02-08 Kyodo Chemical Co Ltd Vinyl chloride resin composition having excellent stability to irradiation with gamma-ray

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157138A (en) * 1983-02-28 1984-09-06 Mitsui Toatsu Chem Inc Vinyl chloride resin composition
JPS61240959A (en) * 1985-04-17 1986-10-27 テルモ株式会社 Medical utensil
JPS62235347A (en) * 1986-04-03 1987-10-15 Shin Etsu Polymer Co Ltd Vinyl chloride based resin composition
JPS6438461A (en) * 1987-08-03 1989-02-08 Kyodo Chemical Co Ltd Vinyl chloride resin composition having excellent stability to irradiation with gamma-ray

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