JPS56122879A - Production of tacky composition - Google Patents
Production of tacky compositionInfo
- Publication number
- JPS56122879A JPS56122879A JP2623280A JP2623280A JPS56122879A JP S56122879 A JPS56122879 A JP S56122879A JP 2623280 A JP2623280 A JP 2623280A JP 2623280 A JP2623280 A JP 2623280A JP S56122879 A JPS56122879 A JP S56122879A
- Authority
- JP
- Japan
- Prior art keywords
- tacky
- mixt
- compsn
- mixing
- butyl rubber
- 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: To form easily a tacky compsn. in a short time, by a method wherein a thermoplastic polyolefin resin and other additives are added to a powder of a vulcanized butyl rubber, and the mixt. is subjected to a mechanical shearing and mixing at high temperature.
CONSTITUTION: 100pts.wt. vulcanized butyl rubber powder (A) (having a particle size of 5 mesh or below), 1W6pts.wt. peptizer (B) (e.g. zinc salt of pentachlorothiophenol), 20W100pts.wt. flexibilizing type plasticizer (C) (e.g. paraffinic process oil), 5W50pts.wt. thermoplastic polyolefin resin (D) (e.g. polyethylene having a melt index of 7 or below) and 3W50pts.wt. tackifier (E) (e.g. chroman- indene resin) are mixed together. Then the mixt. is extruded at 190W250°C by using an extruder with L/D>20 (wherein L is a length of screw and D is a diameter) and a compression ratio >2 to carry out a mechanical shearing and mixing, whereby the desired tacky compsn. is obtd.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2623280A JPS56122879A (en) | 1980-03-03 | 1980-03-03 | Production of tacky composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2623280A JPS56122879A (en) | 1980-03-03 | 1980-03-03 | Production of tacky composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56122879A true JPS56122879A (en) | 1981-09-26 |
Family
ID=12187583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2623280A Pending JPS56122879A (en) | 1980-03-03 | 1980-03-03 | Production of tacky composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56122879A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833621A (en) * | 1971-09-06 | 1973-05-11 | ||
JPS5031280A (en) * | 1973-07-21 | 1975-03-27 | ||
JPS5086538A (en) * | 1973-12-03 | 1975-07-11 |
-
1980
- 1980-03-03 JP JP2623280A patent/JPS56122879A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833621A (en) * | 1971-09-06 | 1973-05-11 | ||
JPS5031280A (en) * | 1973-07-21 | 1975-03-27 | ||
JPS5086538A (en) * | 1973-12-03 | 1975-07-11 |
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