JPS5478744A - Polypropylene resin composition - Google Patents
Polypropylene resin compositionInfo
- Publication number
- JPS5478744A JPS5478744A JP14641777A JP14641777A JPS5478744A JP S5478744 A JPS5478744 A JP S5478744A JP 14641777 A JP14641777 A JP 14641777A JP 14641777 A JP14641777 A JP 14641777A JP S5478744 A JPS5478744 A JP S5478744A
- Authority
- JP
- Japan
- Prior art keywords
- intrinsic viscosity
- barium sulfate
- propylene copolymer
- less
- crystalline polypropylene
- 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
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: Title composition in which barium sulfate and an amorphous ethylene- propylene copolymer with a specific intrinsic viscosity are admixed to a crystalline polypropylene, thereby giving molded products with high stiffness, impact strength and good surface luster.
CONSTITUTION: (A) a crystalline polypropylene is mixed with (B) 10W40, preferably 15W30 wt%, based on the resulting composition, of barium sulfate with an average particle size of less than 2 microns and (C) 2W20, preferably 3W15 wt% of an amorphous ethylene-propylene copolymer with an intrinsic viscosity of less than 1.9 measured in xylene at 70°C and they are kneaded with a roll mill or the like. When necessary, an antioxidant, ultraviolet absorber, lubricant and others are added.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14641777A JPS5478744A (en) | 1977-12-05 | 1977-12-05 | Polypropylene resin composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14641777A JPS5478744A (en) | 1977-12-05 | 1977-12-05 | Polypropylene resin composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5478744A true JPS5478744A (en) | 1979-06-23 |
JPS553374B2 JPS553374B2 (en) | 1980-01-24 |
Family
ID=15407208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14641777A Granted JPS5478744A (en) | 1977-12-05 | 1977-12-05 | Polypropylene resin composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5478744A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57177038A (en) * | 1981-04-23 | 1982-10-30 | Mitsui Toatsu Chem Inc | Polypropylene resin composition |
JPS57195134A (en) * | 1981-05-27 | 1982-11-30 | Sumitomo Chem Co Ltd | Resin composition containing inorganic filler |
JPS5817138A (en) * | 1981-07-23 | 1983-02-01 | Sumitomo Chem Co Ltd | Polypropylene resin composition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034065A (en) * | 1973-07-25 | 1975-04-02 | ||
JPS5222852A (en) * | 1975-08-14 | 1977-02-21 | Matsushita Electric Ind Co Ltd | Multiple mode piezo ceramic filter |
-
1977
- 1977-12-05 JP JP14641777A patent/JPS5478744A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034065A (en) * | 1973-07-25 | 1975-04-02 | ||
JPS5222852A (en) * | 1975-08-14 | 1977-02-21 | Matsushita Electric Ind Co Ltd | Multiple mode piezo ceramic filter |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57177038A (en) * | 1981-04-23 | 1982-10-30 | Mitsui Toatsu Chem Inc | Polypropylene resin composition |
JPH0242852B2 (en) * | 1981-04-23 | 1990-09-26 | ||
JPS57195134A (en) * | 1981-05-27 | 1982-11-30 | Sumitomo Chem Co Ltd | Resin composition containing inorganic filler |
JPH0315667B2 (en) * | 1981-05-27 | 1991-03-01 | Sumitomo Kagaku Kogyo Kk | |
JPS5817138A (en) * | 1981-07-23 | 1983-02-01 | Sumitomo Chem Co Ltd | Polypropylene resin composition |
JPS6228173B2 (en) * | 1981-07-23 | 1987-06-18 | Sumitomo Chemical Co |
Also Published As
Publication number | Publication date |
---|---|
JPS553374B2 (en) | 1980-01-24 |
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