JPS5742717A - Polycarbonate-urea and its production - Google Patents
Polycarbonate-urea and its productionInfo
- Publication number
- JPS5742717A JPS5742717A JP55117748A JP11774880A JPS5742717A JP S5742717 A JPS5742717 A JP S5742717A JP 55117748 A JP55117748 A JP 55117748A JP 11774880 A JP11774880 A JP 11774880A JP S5742717 A JPS5742717 A JP S5742717A
- Authority
- JP
- Japan
- Prior art keywords
- urea
- formula
- polycarbonate
- diamine
- fibers
- 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
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: To produce a high-MW polycarbonate-urea which can easily form transparent flexible films, fibers, etc., by reacting a diamine with a diisocyanate compound contaning carbonate bonds in the molecule.
CONSTITUTION: A diisocyanate compound of the formula I, wherein Ar1 and Ar2 are each a group of formula II or III etc., wherein R1 and R2 are each or a 1W5C lower alkyl, a halogen or an alkoxy, is reacted with a diamine of formula IV, to form a poycarbonate-urea of formula V, wherein n is the degree of polymerization. The polycarbonate-urea thus-produced has such a high MW that it can be easily converted into films or fibers. Furthermore, it is soluble in a variety of solvents such as dimethyl sulfoxide and dimethylformamide.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55117748A JPS5742717A (en) | 1980-08-28 | 1980-08-28 | Polycarbonate-urea and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55117748A JPS5742717A (en) | 1980-08-28 | 1980-08-28 | Polycarbonate-urea and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5742717A true JPS5742717A (en) | 1982-03-10 |
Family
ID=14719329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55117748A Pending JPS5742717A (en) | 1980-08-28 | 1980-08-28 | Polycarbonate-urea and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5742717A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136842A1 (en) * | 2007-05-03 | 2008-11-13 | Sabic Innovative Plastics Ip B.V. | Poly( carbonate-co-urea) copolymers |
| US7666977B2 (en) | 2007-05-03 | 2010-02-23 | Sabic Innovative Plastics Ip B.V. | Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers |
| WO2010151645A1 (en) | 2009-06-25 | 2010-12-29 | Texas Research International, Inc. | Novel polyurea fiber |
-
1980
- 1980-08-28 JP JP55117748A patent/JPS5742717A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136842A1 (en) * | 2007-05-03 | 2008-11-13 | Sabic Innovative Plastics Ip B.V. | Poly( carbonate-co-urea) copolymers |
| US7557175B2 (en) | 2007-05-03 | 2009-07-07 | Sabic Innovative Plastics Ip B.V. | Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers |
| US7666977B2 (en) | 2007-05-03 | 2010-02-23 | Sabic Innovative Plastics Ip B.V. | Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers |
| WO2010151645A1 (en) | 2009-06-25 | 2010-12-29 | Texas Research International, Inc. | Novel polyurea fiber |
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