JPS57179234A - Radiation resistant polyolefin composition - Google Patents
Radiation resistant polyolefin compositionInfo
- 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
Links
Landscapes
- 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.
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)
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)
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 |
-
1981
- 1981-04-28 JP JP56064397A patent/JPS57179234A/en active Granted
Patent Citations (3)
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)
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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