JPS57179234A - Radiation resistant polyolefin composition - Google Patents

Radiation resistant polyolefin composition

Info

Publication number
JPS57179234A
JPS57179234A JP56064397A JP6439781A JPS57179234A JP S57179234 A JPS57179234 A JP S57179234A JP 56064397 A JP56064397 A JP 56064397A JP 6439781 A JP6439781 A JP 6439781A JP S57179234 A JPS57179234 A JP S57179234A
Authority
JP
Japan
Prior art keywords
polyolefin
dimethylpropyl
cyclohexyl
phenyl
triaryl phosphite
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.)
Granted
Application number
JP56064397A
Other languages
Japanese (ja)
Other versions
JPS6234255B2 (en
Inventor
Koichiro Hayashi
Miyako Miki
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.)
NIPPON CHIBAGAIGII KK
Ciba Geigy Japan Ltd
Original Assignee
NIPPON CHIBAGAIGII KK
Ciba Geigy Japan 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 NIPPON CHIBAGAIGII KK, Ciba Geigy Japan Ltd filed Critical NIPPON CHIBAGAIGII KK
Priority to JP56064397A priority Critical patent/JPS57179234A/en
Publication of JPS57179234A publication Critical patent/JPS57179234A/en
Publication of JPS6234255B2 publication Critical patent/JPS6234255B2/ja
Granted legal-status Critical Current

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  • Packages (AREA)
  • Wrappers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To prepare the titled composition having stable color and high discoloration resistance, and suitable especially for the food packaging use, without lowering the original characteristics of polyolefin, by compounding a specific triaryl phosphite to a polyolefin. CONSTITUTION:A polyolefin is compound with a symmetrical triaryl phosphite (eg. 0.3%) of formula(R1 is tertiary buty, 1,1-dimethylpropyl, cyclohexyl, or phenyl; one of R2 and R3 is H and the other is H, methyl, tertiary butyl, 1,1- dimethylpropyl, cyclohexyl, or phenyl). An additive effect can be attained by the addition of a hindered phenol antioxidant (e.g. 2,6-dialkylphenol) and/or hindered amine light stabilizer or weathering stabilizer (e.g. having a piperidine structure). The composition exhibits remarkable stabilizing effect when the radiation dose is <=10 Mrad.
JP56064397A 1981-04-28 1981-04-28 Radiation resistant polyolefin composition Granted JPS57179234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56064397A JPS57179234A (en) 1981-04-28 1981-04-28 Radiation resistant polyolefin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56064397A JPS57179234A (en) 1981-04-28 1981-04-28 Radiation resistant polyolefin composition

Publications (2)

Publication Number Publication Date
JPS57179234A true JPS57179234A (en) 1982-11-04
JPS6234255B2 JPS6234255B2 (en) 1987-07-25

Family

ID=13257137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56064397A Granted JPS57179234A (en) 1981-04-28 1981-04-28 Radiation resistant polyolefin composition

Country Status (1)

Country Link
JP (1) JPS57179234A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103541A (en) * 1981-12-16 1983-06-20 Toa Nenryo Kogyo Kk Padiation-resistant polyolefin composition
JPS6339943A (en) * 1986-08-04 1988-02-20 Sumitomo Chem Co Ltd Polypropylene composition and sheet
JP2002002794A (en) * 2000-06-26 2002-01-09 Okura Ind Co Ltd Internal bag of bag-in-box for x-ray sterilizing treatment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939647A (en) * 1972-08-21 1974-04-13
JPS51109050A (en) * 1975-02-20 1976-09-27 Ciba Geigy
JPS5519199A (en) * 1978-07-25 1980-02-09 Ici Ltd Polyolefin product that can be sterilized by gamma ray irradiation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939647A (en) * 1972-08-21 1974-04-13
JPS51109050A (en) * 1975-02-20 1976-09-27 Ciba Geigy
JPS5519199A (en) * 1978-07-25 1980-02-09 Ici Ltd Polyolefin product that can be sterilized by gamma ray irradiation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103541A (en) * 1981-12-16 1983-06-20 Toa Nenryo Kogyo Kk Padiation-resistant polyolefin composition
JPS6329892B2 (en) * 1981-12-16 1988-06-15 Toa Nenryo Kogyo Kk
JPS6339943A (en) * 1986-08-04 1988-02-20 Sumitomo Chem Co Ltd Polypropylene composition and sheet
JP2002002794A (en) * 2000-06-26 2002-01-09 Okura Ind Co Ltd Internal bag of bag-in-box for x-ray sterilizing treatment
JP4498551B2 (en) * 2000-06-26 2010-07-07 大倉工業株式会社 Radiation sterilization treatment bag in-box inner bag

Also Published As

Publication number Publication date
JPS6234255B2 (en) 1987-07-25

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