JPS576724A - Manufacture of biaxially stretching polypropylene film with mold releasability - Google Patents
Manufacture of biaxially stretching polypropylene film with mold releasabilityInfo
- Publication number
- JPS576724A JPS576724A JP7972480A JP7972480A JPS576724A JP S576724 A JPS576724 A JP S576724A JP 7972480 A JP7972480 A JP 7972480A JP 7972480 A JP7972480 A JP 7972480A JP S576724 A JPS576724 A JP S576724A
- Authority
- JP
- Japan
- Prior art keywords
- polypropylene film
- film
- mold releasability
- manufacture
- silicone resin
- 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
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To efficiently produce an stretched polypropylene film with mold releasability, by carrying out adhesiveness improving treatment on the surface of a polypropylene film, applying a thermosetting silicone resin on thus treated surface, and thereafter stretching the film.
CONSTITUTION: Adhesiveness improving treatment is carried out on the surface of a polyproylene film, thus treated surface is applied with a thermosetting silicone resin, and then the film is stretched, so that the original polypropylene film becomes a stretched polypropylene film and at the same time the thermosetting silicone resin coated on the film surface is cured. Thus the stretched polypropylene film excellent in the mold releasability and transparency can be efficiently produced.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7972480A JPS6030265B2 (en) | 1980-06-13 | 1980-06-13 | Method for producing biaxially oriented polypropylene film with mold releasability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7972480A JPS6030265B2 (en) | 1980-06-13 | 1980-06-13 | Method for producing biaxially oriented polypropylene film with mold releasability |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS576724A true JPS576724A (en) | 1982-01-13 |
JPS6030265B2 JPS6030265B2 (en) | 1985-07-15 |
Family
ID=13698139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7972480A Expired JPS6030265B2 (en) | 1980-06-13 | 1980-06-13 | Method for producing biaxially oriented polypropylene film with mold releasability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6030265B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62148240A (en) * | 1985-12-21 | 1987-07-02 | ヴオルフ・ヴアルスロデ・アクチエンゲゼルシヤフト | Method for applying surface coating to film |
US5626813A (en) * | 1992-02-24 | 1997-05-06 | Hoechst Aktiengesellschaft | Process for the production of a transparent polyolefin multilayer film |
KR100733661B1 (en) * | 2000-07-19 | 2007-06-28 | 린텍 가부시키가이샤 | Process for inline producing biaxially oriented releasing film |
-
1980
- 1980-06-13 JP JP7972480A patent/JPS6030265B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62148240A (en) * | 1985-12-21 | 1987-07-02 | ヴオルフ・ヴアルスロデ・アクチエンゲゼルシヤフト | Method for applying surface coating to film |
US4897235A (en) * | 1985-12-21 | 1990-01-30 | Wolff Walsrode Aktiengesellschaft | Process for imparting a surface coating to films |
US5626813A (en) * | 1992-02-24 | 1997-05-06 | Hoechst Aktiengesellschaft | Process for the production of a transparent polyolefin multilayer film |
KR100733661B1 (en) * | 2000-07-19 | 2007-06-28 | 린텍 가부시키가이샤 | Process for inline producing biaxially oriented releasing film |
Also Published As
Publication number | Publication date |
---|---|
JPS6030265B2 (en) | 1985-07-15 |
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