JPS5558276A - Preparation of adhesive composition - Google Patents
Preparation of adhesive compositionInfo
- Publication number
- JPS5558276A JPS5558276A JP13135178A JP13135178A JPS5558276A JP S5558276 A JPS5558276 A JP S5558276A JP 13135178 A JP13135178 A JP 13135178A JP 13135178 A JP13135178 A JP 13135178A JP S5558276 A JPS5558276 A JP S5558276A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive composition
- polyol
- parts
- polyisocyanate
- aging
- 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
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
PURPOSE: To prepare an adhesive composition having excellent kneadability and stability, and containing little unreacted residual isocyanates, by reacting a specific liquid conjugated diene polymer with a polyol and a polyisocyanate, and aging the reaction product.
CONSTITUTION: An adhesive composition is prepared by (1) mixing (A) 100 parts by weight of a liquid conjugated diene polymer having an average molecular weight of 400W3000 and a viscosity of 200W20000 cps, e.g. polybutadiene, polychloroprene or polyisoprene, (B) 5W90 parts of a polyol selected from polyester polyol, and polyether polyol, (C) 6W30 parts of a polyisocyanate such as 4, 4'-diphenylmethane diisocyanate and tolylene diisocyanate, and (D) a polymerization catalyst such as dibutyltin laurate and stannous octoate, (2) reacting the mixture for several minutes at 60W140°C to effect the chain extention, and (3) aging the polymer thus prepared at 20W60°C for 1W24 hours.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13135178A JPS5558276A (en) | 1978-10-25 | 1978-10-25 | Preparation of adhesive composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13135178A JPS5558276A (en) | 1978-10-25 | 1978-10-25 | Preparation of adhesive composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5558276A true JPS5558276A (en) | 1980-04-30 |
JPS5646510B2 JPS5646510B2 (en) | 1981-11-04 |
Family
ID=15055894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13135178A Granted JPS5558276A (en) | 1978-10-25 | 1978-10-25 | Preparation of adhesive composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5558276A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63238142A (en) * | 1987-03-25 | 1988-10-04 | Kuraray Co Ltd | Polymer composition |
-
1978
- 1978-10-25 JP JP13135178A patent/JPS5558276A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63238142A (en) * | 1987-03-25 | 1988-10-04 | Kuraray Co Ltd | Polymer composition |
Also Published As
Publication number | Publication date |
---|---|
JPS5646510B2 (en) | 1981-11-04 |
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