JPS55120642A - Olefin polymer composition - Google Patents
Olefin polymer compositionInfo
- Publication number
- JPS55120642A JPS55120642A JP2827679A JP2827679A JPS55120642A JP S55120642 A JPS55120642 A JP S55120642A JP 2827679 A JP2827679 A JP 2827679A JP 2827679 A JP2827679 A JP 2827679A JP S55120642 A JPS55120642 A JP S55120642A
- Authority
- JP
- Japan
- Prior art keywords
- talc
- calcium carbonate
- olefin polymer
- surface area
- specific surface
- 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
Abstract
PURPOSE: Polymer composition, improved in the balance of rigidity, impact resistance and mar resistance, which comprises an olefin polymer, and talc and calcium carbonate having specified specific surface area.
CONSTITUTION: A composition comprising an olefin polymer, talc having specific surface area of ≥20,000cm2/g and calcium carbonate having that of ≥30,000cm2/g, the tolal amount of said talc and calcium carbonate being 20W50wt% based on said composition and the ratio of specific surface area of said talc to that of said calcium carbonate being 0.35W1.50. The talc used is produced by crushing the raw talc stone by a centrifugal roller mill, if required pulverizing it by a pulverizer, and classifying it by a wind classifier. The calcium carbonate used is synthesized by feeding quick lime resulting from the calcination of lime stone into water to form a slaked lime slurry and blowing carbon dioxide into the slurry.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2827679A JPS5937015B2 (en) | 1979-03-13 | 1979-03-13 | Olefin polymer composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2827679A JPS5937015B2 (en) | 1979-03-13 | 1979-03-13 | Olefin polymer composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55120642A true JPS55120642A (en) | 1980-09-17 |
JPS5937015B2 JPS5937015B2 (en) | 1984-09-07 |
Family
ID=12244056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2827679A Expired JPS5937015B2 (en) | 1979-03-13 | 1979-03-13 | Olefin polymer composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5937015B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5738841A (en) * | 1980-08-18 | 1982-03-03 | Tokuyama Soda Co Ltd | Polypropylene resin composition |
US4504617A (en) * | 1981-09-16 | 1985-03-12 | Mitsubishi Petrochemical Co., Ltd. | Inorganic filler containing propylene polymer compositions |
US4578296A (en) * | 1983-06-28 | 1986-03-25 | Idemitsu Petrochemical Co., Ltd. | Thermoformed polyolefin cup |
US4670499A (en) * | 1985-08-19 | 1987-06-02 | Hoechst Aktiengesellschaft | Polyolefin molding composition |
JPH0249047A (en) * | 1988-08-11 | 1990-02-19 | Idemitsu Petrochem Co Ltd | Polypropylene polymer composition |
-
1979
- 1979-03-13 JP JP2827679A patent/JPS5937015B2/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5738841A (en) * | 1980-08-18 | 1982-03-03 | Tokuyama Soda Co Ltd | Polypropylene resin composition |
JPS6234257B2 (en) * | 1980-08-18 | 1987-07-25 | Tokuyama Soda Kk | |
US4504617A (en) * | 1981-09-16 | 1985-03-12 | Mitsubishi Petrochemical Co., Ltd. | Inorganic filler containing propylene polymer compositions |
US4578296A (en) * | 1983-06-28 | 1986-03-25 | Idemitsu Petrochemical Co., Ltd. | Thermoformed polyolefin cup |
US4670499A (en) * | 1985-08-19 | 1987-06-02 | Hoechst Aktiengesellschaft | Polyolefin molding composition |
JPH0249047A (en) * | 1988-08-11 | 1990-02-19 | Idemitsu Petrochem Co Ltd | Polypropylene polymer composition |
Also Published As
Publication number | Publication date |
---|---|
JPS5937015B2 (en) | 1984-09-07 |
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