JPS57139522A - Production of acrylic conjugate fiber with high thermal shape stability - Google Patents
Production of acrylic conjugate fiber with high thermal shape stabilityInfo
- Publication number
- JPS57139522A JPS57139522A JP2485981A JP2485981A JPS57139522A JP S57139522 A JPS57139522 A JP S57139522A JP 2485981 A JP2485981 A JP 2485981A JP 2485981 A JP2485981 A JP 2485981A JP S57139522 A JPS57139522 A JP S57139522A
- Authority
- JP
- Japan
- Prior art keywords
- dopes
- heat
- fiber
- shape stability
- spun
- 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
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
Abstract
PURPOSE: A combination of dopes for conjugate spinning which are made by dissolving simultaneously a cellulose derivative and acrylonitrile (AN) polymer in a solvent is spun into conjugate fiber, drawn and heat treated under specific conditions to produce the titled conjuate fiber with good mechanical properties, especially high shape stability under humid heat.
CONSTITUTION: A cellulose derivative and an AN polymer are dissolved in such a solvent as they are dissolved substantially at the same time to prepare a combination of dopes for conjugate spinning of such a dope concentration as the dopes show flow birefringence and optical anisotropy. The resultant dopes are spun, drawn and the resultant fiber is heat treated at a temperature lower than 100°C under tension of 0.01W0.1g/d so that these conditions satisfy the equation (R is the time of heat treatment in second; D is the total denier of the yarn treated with heat; t is tension in g/d where 0.01≤t≤0.1; T is treatment temperature in °K.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2485981A JPS57139522A (en) | 1981-02-24 | 1981-02-24 | Production of acrylic conjugate fiber with high thermal shape stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2485981A JPS57139522A (en) | 1981-02-24 | 1981-02-24 | Production of acrylic conjugate fiber with high thermal shape stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57139522A true JPS57139522A (en) | 1982-08-28 |
Family
ID=12149936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2485981A Pending JPS57139522A (en) | 1981-02-24 | 1981-02-24 | Production of acrylic conjugate fiber with high thermal shape stability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57139522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139521A (en) * | 1981-02-24 | 1982-08-28 | Asahi Chem Ind Co Ltd | Conjugate fiber with high thermal shape stability |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139521A (en) * | 1981-02-24 | 1982-08-28 | Asahi Chem Ind Co Ltd | Conjugate fiber with high thermal shape stability |
-
1981
- 1981-02-24 JP JP2485981A patent/JPS57139522A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139521A (en) * | 1981-02-24 | 1982-08-28 | Asahi Chem Ind Co Ltd | Conjugate fiber with high thermal shape stability |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139521A (en) * | 1981-02-24 | 1982-08-28 | Asahi Chem Ind Co Ltd | Conjugate fiber with high thermal shape stability |
| JPS6364528B2 (en) * | 1981-02-24 | 1988-12-12 |
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