JPS5616540A - Polypropylene composition for injection molding - Google Patents
Polypropylene composition for injection moldingInfo
- Publication number
- JPS5616540A JPS5616540A JP9092579A JP9092579A JPS5616540A JP S5616540 A JPS5616540 A JP S5616540A JP 9092579 A JP9092579 A JP 9092579A JP 9092579 A JP9092579 A JP 9092579A JP S5616540 A JPS5616540 A JP S5616540A
- Authority
- JP
- Japan
- Prior art keywords
- tensile strength
- molded article
- nucleating agent
- less
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: The titled composition having improved flow properties, capable of forming a molded article with a small warpage, improved impact resistance and tensile strength, by blending a specific polypropylene with a nucleating agent consisting of an aromatic carboxylic acid-based compound.
CONSTITUTION: A polypropylene having a melt index 20W40 and a tensile strength at a yield point (JISK-7113) not less than 280kg/cm2, preferably not less than 300kg/cm2, especially obtained by heat treatment in the presence of an organic peroxide, is blended with 0.005W1.0wt% nucleating agent (e.g., monophenyl acetate).
USE: A wide molded article, e.g., cover of electric washing machine, large box, drawer, etc. is required to have accurate engagement with other members.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9092579A JPS5616540A (en) | 1979-07-19 | 1979-07-19 | Polypropylene composition for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9092579A JPS5616540A (en) | 1979-07-19 | 1979-07-19 | Polypropylene composition for injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5616540A true JPS5616540A (en) | 1981-02-17 |
Family
ID=14012001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9092579A Pending JPS5616540A (en) | 1979-07-19 | 1979-07-19 | Polypropylene composition for injection molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5616540A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138653A (en) * | 1984-12-10 | 1986-06-26 | Idemitsu Petrochem Co Ltd | Modification of propylene-ehtylene randome copolymer |
| JPS62115049A (en) * | 1985-11-14 | 1987-05-26 | Sumitomo Chem Co Ltd | Impact-resistant polypropylene composition |
| JPH01297444A (en) * | 1988-05-25 | 1989-11-30 | Mitsubishi Petrochem Co Ltd | Ozone-resistant polyolefin molded body |
| KR101309480B1 (en) * | 2011-06-28 | 2013-09-23 | 롯데케미칼 주식회사 | Polypropylene resin composition for high tenacity fiber and high tenacity fiber manufactured by using the same |
-
1979
- 1979-07-19 JP JP9092579A patent/JPS5616540A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138653A (en) * | 1984-12-10 | 1986-06-26 | Idemitsu Petrochem Co Ltd | Modification of propylene-ehtylene randome copolymer |
| JPH0513183B2 (en) * | 1984-12-10 | 1993-02-19 | Idemitsu Petrochemical Co | |
| JPS62115049A (en) * | 1985-11-14 | 1987-05-26 | Sumitomo Chem Co Ltd | Impact-resistant polypropylene composition |
| JPH01297444A (en) * | 1988-05-25 | 1989-11-30 | Mitsubishi Petrochem Co Ltd | Ozone-resistant polyolefin molded body |
| KR101309480B1 (en) * | 2011-06-28 | 2013-09-23 | 롯데케미칼 주식회사 | Polypropylene resin composition for high tenacity fiber and high tenacity fiber manufactured by using the same |
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