JPH0582841B2 - - Google Patents
Info
- Publication number
- JPH0582841B2 JPH0582841B2 JP2391286A JP2391286A JPH0582841B2 JP H0582841 B2 JPH0582841 B2 JP H0582841B2 JP 2391286 A JP2391286 A JP 2391286A JP 2391286 A JP2391286 A JP 2391286A JP H0582841 B2 JPH0582841 B2 JP H0582841B2
- Authority
- JP
- Japan
- Prior art keywords
- acetic acid
- cellulose acetate
- cellulose
- acetylation
- parts
- 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.)
- Expired - Lifetime
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 126
- 229920002301 cellulose acetate Polymers 0.000 claims description 44
- 206010042674 Swelling Diseases 0.000 claims description 27
- 230000008961 swelling Effects 0.000 claims description 27
- 229920002678 cellulose Polymers 0.000 claims description 24
- 239000001913 cellulose Substances 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 21
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 13
- 230000014759 maintenance of location Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000003960 organic solvent Substances 0.000 claims 2
- 229960000583 acetic acid Drugs 0.000 description 43
- 238000006640 acetylation reaction Methods 0.000 description 39
- 238000006243 chemical reaction Methods 0.000 description 24
- 230000021736 acetylation Effects 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 15
- 229920001131 Pulp (paper) Polymers 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 239000000203 mixture Substances 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- 229920000875 Dissolving pulp Polymers 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 230000032683 aging Effects 0.000 description 9
- 239000012362 glacial acetic acid Substances 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 230000000717 retained effect Effects 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 3
- 229940069446 magnesium acetate Drugs 0.000 description 3
- 235000011285 magnesium acetate Nutrition 0.000 description 3
- 239000011654 magnesium acetate Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001249542 Leonia <angiosperm> Species 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- -1 organic acid esters Chemical class 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 229920001221 xylan Polymers 0.000 description 2
- 150000004823 xylans Chemical class 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000012374 esterification agent Substances 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60-45218 | 1985-03-07 | ||
| JP4521885 | 1985-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62501A JPS62501A (ja) | 1987-01-06 |
| JPH0582841B2 true JPH0582841B2 (zh) | 1993-11-22 |
Family
ID=12713125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2391286A Granted JPS62501A (ja) | 1985-03-07 | 1986-02-07 | セルロ−スアセテ−トの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62501A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9812437B2 (en) | 2014-02-26 | 2017-11-07 | Seiko Epson Corporation | Semiconductor integrated circuit device, and electronic appliance using the same |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3174108D1 (en) * | 1980-12-29 | 1986-04-17 | Matsushita Electric Ind Co Ltd | Information signal regenerating stylus and manufacturing method thereof |
| JP2776085B2 (ja) * | 1990-09-14 | 1998-07-16 | 旭硝子株式会社 | ベクター |
| JP2590179Y2 (ja) * | 1992-07-27 | 1999-02-10 | 栄通信工業 株式会社 | 変換器における操作時の破損防止構造 |
| DE69327286T2 (de) * | 1992-09-24 | 2000-05-11 | Daicel Chem | Verfahren zur Herstellung eines Fettsäureesters von Cellulose |
| JP5517409B2 (ja) * | 2008-01-10 | 2014-06-11 | 株式会社ダイセル | セルロースアセテート及びその製造方法 |
| WO2015029790A1 (ja) | 2013-09-02 | 2015-03-05 | Jnc株式会社 | 多孔性セルロース粒子の製造方法および多孔性セルロース粒子 |
| JP2018058941A (ja) | 2016-10-03 | 2018-04-12 | 株式会社ダイセル | セルロースアセテートおよびセルロースアセテートの製造方法 |
-
1986
- 1986-02-07 JP JP2391286A patent/JPS62501A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9812437B2 (en) | 2014-02-26 | 2017-11-07 | Seiko Epson Corporation | Semiconductor integrated circuit device, and electronic appliance using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62501A (ja) | 1987-01-06 |
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