JPS5718748A - Method for improving impact resistance of crystalline polypropylene composition - Google Patents
Method for improving impact resistance of crystalline polypropylene compositionInfo
- Publication number
- JPS5718748A JPS5718748A JP9339980A JP9339980A JPS5718748A JP S5718748 A JPS5718748 A JP S5718748A JP 9339980 A JP9339980 A JP 9339980A JP 9339980 A JP9339980 A JP 9339980A JP S5718748 A JPS5718748 A JP S5718748A
- Authority
- JP
- Japan
- Prior art keywords
- crystalline polypropylene
- impact resistance
- polypropylene composition
- pref
- improving impact
- 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
Abstract
PURPOSE: To improve the impact resistance of crystalline polypropylene, remarkably without lowering the mechanical strength and heat resistance, by kneading crystalline polypropylene with a partially crosslinked composition composed of crystalline polypropylene and an elastomer under mechanical shearing force.
CONSTITUTION: 100pts.wt. of a crystalline polypropylene having a melt index of 0.5W20, is mixed with 5W100pts.wt., pref. 10W50pts.wt. of a partially crosslinked composition composed of (a) a crystalline polypropylene and (b) an elastomer [pref. having a Mooney viscosity of ML1+4(100°C)40W120], such as natural rubber, polybutadiene rubber, etc. The weight ratio of (a)/(b) is 10/90W30/70. The mixture is kneaded under mechanical shearing force by e.g. Banbury mixer, extruder, etc. until the gel fraction in the composition reduces at least by 10wt%, usually by 10W50wt%.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9339980A JPS5718748A (en) | 1980-07-09 | 1980-07-09 | Method for improving impact resistance of crystalline polypropylene composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9339980A JPS5718748A (en) | 1980-07-09 | 1980-07-09 | Method for improving impact resistance of crystalline polypropylene composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5718748A true JPS5718748A (en) | 1982-01-30 |
Family
ID=14081215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9339980A Pending JPS5718748A (en) | 1980-07-09 | 1980-07-09 | Method for improving impact resistance of crystalline polypropylene composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5718748A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6116944A (en) * | 1984-07-02 | 1986-01-24 | Mitsui Petrochem Ind Ltd | Crystalline propylene polymer composition |
| JPS6245638A (en) * | 1985-08-23 | 1987-02-27 | Idemitsu Petrochem Co Ltd | Polyolefin resin composition |
| JPS6339964A (en) * | 1986-04-24 | 1988-02-20 | アールジェイエフ インターナショナル コーポレイション | Single phase shape deformable elastomer compound |
| JPH05295180A (en) * | 1992-06-15 | 1993-11-09 | Mitsui Petrochem Ind Ltd | Thermoplastic elastomer composition excellent in surface gloss and fusion bondability in injection molding |
-
1980
- 1980-07-09 JP JP9339980A patent/JPS5718748A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6116944A (en) * | 1984-07-02 | 1986-01-24 | Mitsui Petrochem Ind Ltd | Crystalline propylene polymer composition |
| JPH0517936B2 (en) * | 1984-07-02 | 1993-03-10 | Mitsui Petrochemical Ind | |
| JPS6245638A (en) * | 1985-08-23 | 1987-02-27 | Idemitsu Petrochem Co Ltd | Polyolefin resin composition |
| JPH0572934B2 (en) * | 1985-08-23 | 1993-10-13 | Idemitsu Petrochemical Co | |
| JPS6339964A (en) * | 1986-04-24 | 1988-02-20 | アールジェイエフ インターナショナル コーポレイション | Single phase shape deformable elastomer compound |
| JPH05295180A (en) * | 1992-06-15 | 1993-11-09 | Mitsui Petrochem Ind Ltd | Thermoplastic elastomer composition excellent in surface gloss and fusion bondability in injection molding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY102342A (en) | Elastoplastic compositions | |
| JPS5632527A (en) | Preparation of rubber composition for tier tread | |
| JPS5638338A (en) | Thermoplastic resin composition | |
| KR930021704A (en) | Vinyl Chloride Resin Elastomer Composition | |
| JPS5636532A (en) | Rubber composition | |
| JPS5586827A (en) | Improved rubber composition for tread | |
| JPS5718748A (en) | Method for improving impact resistance of crystalline polypropylene composition | |
| EP0259812A3 (en) | Photopolymerizable compositions containing inorganic fillers | |
| JPS5734143A (en) | Rubber composition | |
| JPS5770137A (en) | Improved rubber composition | |
| JPS5638336A (en) | Vulcanized chloroprene rubber | |
| JPS5770134A (en) | Raw material composition for rubber | |
| JPS55139441A (en) | Rubber composition | |
| JPS572350A (en) | Soft olefin polymer composition having improved transparency | |
| JPS57190031A (en) | Rubber composition having improved strength and its preparation | |
| JPS57155250A (en) | Curable composition | |
| JPS57200430A (en) | Rubber composition for tire tread and production thereof | |
| JPS57200431A (en) | Rubber composition for tire tread | |
| JPS56109230A (en) | Preparation of oil- and weather-resistant rubber | |
| JPS6465150A (en) | Rubber composition for inner liner | |
| JPS5569637A (en) | Hot-melt polymer composition with intermolecular bond | |
| JPS55102641A (en) | Thermoplastic composite polymer composition | |
| JPS6490240A (en) | Rubber composition | |
| JPS56109234A (en) | Highly hard rubber composition with excellent workability | |
| JPS5759979A (en) | Filler for joint part of concrete |