JPS5757770A - Pressure-sensitive adhesive tape and production thereof - Google Patents
Pressure-sensitive adhesive tape and production thereofInfo
- Publication number
- JPS5757770A JPS5757770A JP13270280A JP13270280A JPS5757770A JP S5757770 A JPS5757770 A JP S5757770A JP 13270280 A JP13270280 A JP 13270280A JP 13270280 A JP13270280 A JP 13270280A JP S5757770 A JPS5757770 A JP S5757770A
- Authority
- JP
- Japan
- Prior art keywords
- sensitive adhesive
- pressure
- sheet
- adhesive tape
- layer
- 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: To produce a pressure-sensitive adhesive tape having excellent writing quality tearability and copying performance, by coating a setting agent and a pressure-sensitive adhesive on one side of a sheet composed of PP and a specified methylpentene polymer and biaxially orienting the sheet.
CONSTITUTION: A 0.5μ thick setting agent layer such as an ethylene-acrylic acid copolymer layer, and a 15W20μ thick pressure-sensitive adhesive layer such as a synthetic resin hot-melt pressure-sensitive adhesive layer, are provided on one side of a sheet composed of 90W55wt% PP having a m.p. of 160°C or higher and an intrinsic viscosity in tetralin soln. at 135°C of 1.5W2.7 and 10W45wt% methylpentene polymer having Vicat softening point not higher than the m.p. of PP. Then this sheet is orented at a temp. ranging from 155°C to the m.p. of PP under the conditions satisfying λM≥2, λT≥λM, 4≤λT and λM≤56, wherein λM is percentage of stretch in lengthwise direction and λM is that in crosswise direction.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13270280A JPS5757770A (en) | 1980-09-24 | 1980-09-24 | Pressure-sensitive adhesive tape and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13270280A JPS5757770A (en) | 1980-09-24 | 1980-09-24 | Pressure-sensitive adhesive tape and production thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5757770A true JPS5757770A (en) | 1982-04-07 |
JPS6247465B2 JPS6247465B2 (en) | 1987-10-08 |
Family
ID=15087551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13270280A Granted JPS5757770A (en) | 1980-09-24 | 1980-09-24 | Pressure-sensitive adhesive tape and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5757770A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59176375A (en) * | 1983-03-25 | 1984-10-05 | Mitsubishi Plastics Ind Ltd | Base sheet for adhesive tape |
JPS61172140U (en) * | 1985-04-11 | 1986-10-25 | ||
US20110052873A1 (en) * | 2008-05-19 | 2011-03-03 | Denki Kagaku Kogyo Kabushiki Kaisha | Film and method of film processing |
-
1980
- 1980-09-24 JP JP13270280A patent/JPS5757770A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59176375A (en) * | 1983-03-25 | 1984-10-05 | Mitsubishi Plastics Ind Ltd | Base sheet for adhesive tape |
JPH0311317B2 (en) * | 1983-03-25 | 1991-02-15 | Mitsubishi Plastics Ind | |
JPS61172140U (en) * | 1985-04-11 | 1986-10-25 | ||
JPH024110Y2 (en) * | 1985-04-11 | 1990-01-31 | ||
US20110052873A1 (en) * | 2008-05-19 | 2011-03-03 | Denki Kagaku Kogyo Kabushiki Kaisha | Film and method of film processing |
US8518520B2 (en) * | 2008-05-19 | 2013-08-27 | Denki Kagaku Kogyo Kabushiki Kaisha | Film and method of film processing |
Also Published As
Publication number | Publication date |
---|---|
JPS6247465B2 (en) | 1987-10-08 |
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