JPS5638371A - Hot melt adhesive film - Google Patents
Hot melt adhesive filmInfo
- Publication number
- JPS5638371A JPS5638371A JP11439979A JP11439979A JPS5638371A JP S5638371 A JPS5638371 A JP S5638371A JP 11439979 A JP11439979 A JP 11439979A JP 11439979 A JP11439979 A JP 11439979A JP S5638371 A JPS5638371 A JP S5638371A
- Authority
- JP
- Japan
- Prior art keywords
- film
- polyamide
- mixture
- polybutadiene
- hot melt
- 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
- Adhesive Tapes (AREA)
Abstract
PURPOSE: The titled film that is composed of a mixture of a specific polybutadiene and a polyamide at a specified ratio and of an ionomer polymer in a certain proportion, thus preventing the formation of wrinkles on adhesion because of its flexibility and having high adhesion property even at high temperatures.
CONSTITUTION: To (A) a mixture of (a) 5W90wt% of 1,2-polybutadiene with 10W40% crystallinity, preferably 80W120°C melting point and (b) 95W10wt% of a polyamide, preferably melting at lower than 150°C, are added (B) at least one of (a) an ionomer polymer such as a copolymer from an olefin and vinyl monomer carrying carboxyls and (b) a thermoplastic polyester, e.g., polyethylene terephthalate at a weight A/B ratio of 9/1W4/6 to give the objective film.
EFFECT: The resultant film has a softening point of 100W120°C and shows high peel strength and high adhesion strength regardless of the void volume on the surface of the substrate.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11439979A JPS5638371A (en) | 1979-09-06 | 1979-09-06 | Hot melt adhesive film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11439979A JPS5638371A (en) | 1979-09-06 | 1979-09-06 | Hot melt adhesive film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5638371A true JPS5638371A (en) | 1981-04-13 |
Family
ID=14636700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11439979A Pending JPS5638371A (en) | 1979-09-06 | 1979-09-06 | Hot melt adhesive film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5638371A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50122532A (en) * | 1974-03-14 | 1975-09-26 |
-
1979
- 1979-09-06 JP JP11439979A patent/JPS5638371A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50122532A (en) * | 1974-03-14 | 1975-09-26 |
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