FIELD: chemical technology. SUBSTANCE: solution of a mixture consisting of poly-para-phenyleneterephthalamide with 3-30% polyvinylpyrrolidone with molecular mass 10000-40000 in sulfuric acid is extruded through spinneret and air space into water bath at temperature 5 C. Extrudate is extended in the air space by 6.3 fold, washed with water and/or diluted aqueous alkali solution. EFFECT: improved method of fiber preparing. 4 cl, 1 tbl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FILAMENT PRODUCTION METHOD AND DEVICE | 1989 |
|
RU2041300C1 |
| TEXTILE FIBERS FROM SULFATED POLY-p-PHENYLENE- TEREPHTHALIAMIDE | 1994 |
|
RU2136791C1 |
| LIQUID FOR PREPARING OF MOLDED ARTICLES | 1988 |
|
RU2015215C1 |
| COMPOSITION FOR FIBER FORMING | 1990 |
|
RU2011701C1 |
| MIXTURE OF SPUN FIBRES AND STRONG HEAT-PROOF FABRIC | 1991 |
|
RU2051223C1 |
| METHOD OF ELECTROLYSISLESS DEPOSITION OF METALLIC COATING ON THE SURFACE OF OBJECT OF AROMATIC POLYAMIDE AND OBJECT OF AROMATIC POLYAMIDE WITH METALLIC COATING | 1992 |
|
RU2104328C1 |
| FABRIC | 1989 |
|
RU2041984C1 |
| METHOD OF OBTAINING TWO-COMPONENT FIBRE | 1990 |
|
RU2044804C1 |
| METHOD FOR PRODUCTION OF THERMOPLASTIC MATERIAL REINFORCED WITH FIBERS | 1985 |
|
RU2051033C1 |
| MIXED YARN FOR FRICTIONAL USE | 1999 |
|
RU2216612C2 |
