JPS6136082B2 - - Google Patents

Info

Publication number

JPS6136082B2

JPS6136082B2 JP15998979A JP15998979A JPS6136082B2 JP S6136082 B2 JPS6136082 B2 JP S6136082B2 JP 15998979 A JP15998979 A JP 15998979A JP 15998979 A JP15998979 A JP 15998979A JP S6136082 B2 JPS6136082 B2 JP S6136082B2

Authority

JP

Japan

Prior art keywords

fibers

spinning

coagulation bath

degree

cellulose acetate

Prior art date

1979-12-10

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.)

Expired

Links

• Espacenet
• Global Dossier
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• 239000000835 fiber Substances 0.000 claims description 32
• 230000015271 coagulation Effects 0.000 claims description 18
• 238000005345 coagulation Methods 0.000 claims description 18
• FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 15
• 229920002301 cellulose acetate Polymers 0.000 claims description 14
• 230000021736 acetylation Effects 0.000 claims description 10
• 238000006640 acetylation reaction Methods 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 10
• 238000002166 wet spinning Methods 0.000 claims description 10
• 239000007864 aqueous solution Substances 0.000 claims description 5
• 239000000243 solution Substances 0.000 claims description 5
• 239000002904 solvent Substances 0.000 claims description 5
• 238000001891 gel spinning Methods 0.000 claims description 3
• 238000009987 spinning Methods 0.000 description 12
• 238000004031 devitrification Methods 0.000 description 5
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
• 229920002284 Cellulose triacetate Polymers 0.000 description 4
• NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 4
• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
• 238000002474 experimental method Methods 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 3
• 229920000642 polymer Polymers 0.000 description 3
• 238000006116 polymerization reaction Methods 0.000 description 3
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
• 229920001747 Cellulose diacetate Polymers 0.000 description 2
• 229920006221 acetate fiber Polymers 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 230000007423 decrease Effects 0.000 description 2
• 238000011161 development Methods 0.000 description 2
• 238000000578 dry spinning Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000000465 moulding Methods 0.000 description 2
• 239000011550 stock solution Substances 0.000 description 2
• 229920000742 Cotton Polymers 0.000 description 1
• 239000000654 additive Substances 0.000 description 1
• 238000007605 air drying Methods 0.000 description 1
• 150000001298 alcohols Chemical class 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 230000002596 correlated effect Effects 0.000 description 1
• 230000003247 decreasing effect Effects 0.000 description 1
• 239000012510 hollow fiber Substances 0.000 description 1
• 239000012456 homogeneous solution Substances 0.000 description 1
• 238000009940 knitting Methods 0.000 description 1
• 239000002075 main ingredient Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 238000001000 micrograph Methods 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 238000000879 optical micrograph Methods 0.000 description 1
• 230000000704 physical effect Effects 0.000 description 1
• 229920000728 polyester Polymers 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 238000003672 processing method Methods 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 229920002994 synthetic fiber Polymers 0.000 description 1
• 239000012209 synthetic fiber Substances 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• 238000009941 weaving Methods 0.000 description 1

Cited By (2)