JPS5749523A - Manufacture of polypropylene stretch-formed article - Google Patents
Manufacture of polypropylene stretch-formed articleInfo
- Publication number
- JPS5749523A JPS5749523A JP12408080A JP12408080A JPS5749523A JP S5749523 A JPS5749523 A JP S5749523A JP 12408080 A JP12408080 A JP 12408080A JP 12408080 A JP12408080 A JP 12408080A JP S5749523 A JPS5749523 A JP S5749523A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- polypropylene
- manufacture
- inorganic filler
- filler powder
- 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
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To manufacture the polypropylene sheet having a tough and even surface by forming into the sheet form and stretching the compound mixed with polypropylene and the inorganic filler powder surface-treated with organic titanate compound.
CONSTITUTION: The compound composed of crystalline polypropylene 45W60wt% and the inorganic filler powder of which surface is treated with organic titanate compound 40W55wt% is formed into the sheet and this sheet is stretched at the temperature of 70W110°C. By this, the stretched polypropylene sheet having an even surface can be manufactured, even if the incorporating ratio of inorganic filler powder is increased for the reason of cost reduction, improvement of mechanical properties and heat resistance.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12408080A JPS5749523A (en) | 1980-09-09 | 1980-09-09 | Manufacture of polypropylene stretch-formed article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12408080A JPS5749523A (en) | 1980-09-09 | 1980-09-09 | Manufacture of polypropylene stretch-formed article |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5749523A true JPS5749523A (en) | 1982-03-23 |
Family
ID=14876424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12408080A Pending JPS5749523A (en) | 1980-09-09 | 1980-09-09 | Manufacture of polypropylene stretch-formed article |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5749523A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5800758A (en) * | 1997-09-16 | 1998-09-01 | Kimberly-Clark Worldwide, Inc. | Process for making microporous films with improved properties |
JP2016031856A (en) * | 2014-07-29 | 2016-03-07 | ヒラノ技研工業株式会社 | Polypropylene microporous film and method for manufacturing the same |
-
1980
- 1980-09-09 JP JP12408080A patent/JPS5749523A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5800758A (en) * | 1997-09-16 | 1998-09-01 | Kimberly-Clark Worldwide, Inc. | Process for making microporous films with improved properties |
JP2016031856A (en) * | 2014-07-29 | 2016-03-07 | ヒラノ技研工業株式会社 | Polypropylene microporous film and method for manufacturing the same |
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