CN1475507A - 具有凝胶状流变性的纤维素衍生物及其制备方法 - Google Patents
具有凝胶状流变性的纤维素衍生物及其制备方法 Download PDFInfo
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- CN1475507A CN1475507A CNA031331874A CN03133187A CN1475507A CN 1475507 A CN1475507 A CN 1475507A CN A031331874 A CNA031331874 A CN A031331874A CN 03133187 A CN03133187 A CN 03133187A CN 1475507 A CN1475507 A CN 1475507A
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- Prior art keywords
- cellulose
- ether
- agu
- alkali metal
- metal hydroxide
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- 229920002678 cellulose Polymers 0.000 title claims abstract description 113
- 239000001913 cellulose Substances 0.000 title claims abstract description 113
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000000243 solution Substances 0.000 claims abstract description 41
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 27
- 239000007864 aqueous solution Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 25
- 239000011541 reaction mixture Substances 0.000 claims abstract description 10
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 8
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 94
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 86
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 85
- 229940050176 methyl chloride Drugs 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 36
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 239000002904 solvent Substances 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 23
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 22
- 239000003153 chemical reaction reagent Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 230000002427 irreversible effect Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical group OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 8
- 230000002152 alkylating effect Effects 0.000 claims description 8
- 239000003643 water by type Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 229920000609 methyl cellulose Polymers 0.000 claims description 6
- 239000001923 methylcellulose Substances 0.000 claims description 6
- 229920003086 cellulose ether Polymers 0.000 claims description 5
- BQFCCCIRTOLPEF-UHFFFAOYSA-N chembl1976978 Chemical compound CC1=CC=CC=C1N=NC1=C(O)C=CC2=CC=CC=C12 BQFCCCIRTOLPEF-UHFFFAOYSA-N 0.000 claims description 4
- 238000000518 rheometry Methods 0.000 claims description 4
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 abstract description 3
- 150000001350 alkyl halides Chemical class 0.000 abstract 1
- 239000002168 alkylating agent Substances 0.000 abstract 1
- 229940100198 alkylating agent Drugs 0.000 abstract 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 abstract 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 238000000611 regression analysis Methods 0.000 description 10
- 239000008186 active pharmaceutical agent Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- -1 methyl hydroxy Chemical group 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- YUUKIOKWOBAUSK-UHFFFAOYSA-L [OH-].[OH-].[Cu+2].NCCN Chemical compound [OH-].[OH-].[Cu+2].NCCN YUUKIOKWOBAUSK-UHFFFAOYSA-L 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000006266 etherification reaction Methods 0.000 description 4
- 238000001879 gelation Methods 0.000 description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 244000144992 flock Species 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- YMDNODNLFSHHCV-UHFFFAOYSA-N 2-chloro-n,n-diethylethanamine Chemical compound CCN(CC)CCCl YMDNODNLFSHHCV-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 229920013821 hydroxy alkyl cellulose Polymers 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005956 quaternization reaction Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- ZNSMNVMLTJELDZ-UHFFFAOYSA-N Bis(2-chloroethyl)ether Chemical compound ClCCOCCCl ZNSMNVMLTJELDZ-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-M chloroacetate Chemical compound [O-]C(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-M 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000003176 fibrotic effect Effects 0.000 description 1
- 150000002314 glycerols Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- PVWOIHVRPOBWPI-UHFFFAOYSA-N n-propyl iodide Chemical compound CCCI PVWOIHVRPOBWPI-UHFFFAOYSA-N 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/005—Crosslinking of cellulose derivatives
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Jellies, Jams, And Syrups (AREA)
Abstract
Description
表1:实施例1(比较例)所得甲基羟乙基纤维素的线性粘弹性材料函数储能模量G’和损耗模量G”随角频率ω的变化 | ||
ω单位:s-1 | G’单位:Pa | G”单位:Pa |
0.1 | 6.64 | 13.2 |
0.159 | 9.78 | 17.9 |
0.251 | 14.8 | 23.4 |
0.398 | 21.5 | 30.4 |
0.632 | 30.6 | 37.7 |
1 | 42.4 | 47.6 |
流变仪:从Physica Messtechnik GmbH,Stuttgart,Germany购买的Universal Dynamic Spectrometer UDS 200测量装置:直径为50mm的锥/板,锥角为1°且锥顶削平0.05mm的锥 |
表2:对实施例1(比较例)所得甲基羟乙基纤维素的log G’-log ω和log G”-log ω的回归分析,数据G’、G”和ω来自表1 | |||
log ω | log G’ | log ω | log G” |
-1 | 0.8222 | -1 | 1.1206 |
-0.7986 | 0.9903 | -0.7986 | 1.2529 |
-0.6003 | 1.1702 | -0.6003 | 1.3692 |
-0.4001 | 1.3324 | -0.4001 | 1.4829 |
-0.1993 | 1.4857 | -0.1993 | 1.5763 |
0 | 1.6273 | 0 | 1.6776 |
斜率:0.8107R:0.9992斜率对应于式(1)中的指数n回归分析是利用已知的最小方差和的原理进行的。R是回归质量系数,应该始终大于0.95。 | 斜率:0.5528R:0.9982斜率对应于式(2)中的指数m。回归分析是利用已知的最小方差和的原理进行的。R是回归质量系数,应该始终大于0.95。 | ||
对于实施例1(比较例)得到的甲基羟乙基纤维素,这种分析给出的n/m为1.47(0.8107/0.5528),所以该产物不具有凝胶状流变性。 |
表3:实施例2所得甲基羟乙基纤维素的线性粘弹性材料函数储能模量G’和损耗模量G”随角频率ω的变化 | ||
ω单位:s-1 | G’单位:Pa | G”单位:Pa |
0.1 | 26.5 | 17.8 |
0.159 | 31.6 | 20.9 |
0.251 | 38.1 | 25.6 |
0.398 | 45.1 | 29.9 |
0.632 | 54.3 | 35.7 |
1 | 64.5 | 41.3 |
流变仪:从Physica Messtechnik GmbH,Stuttgart,Germany购买的Universal Dynamic Spectrometer UDS 200测量装置:直径为50mm的锥/板,锥角为1°且锥顶削平0.05mm的锥 |
表4:对实施例2所得甲基羟乙基纤维素的log G’-log ω和log G”-log ω的回归分析,数据G’、G”和ω来自表3 | |||
log ω | log G’ | log ω | log G” |
-1 | 1.4232 | -1 | 1.2504 |
-0.7986 | 1.4997 | -0.7986 | 1.3201 |
-0.6003 | 1.5809 | -0.6003 | 1.4082 |
-0.4001 | 1.6542 | -0.4001 | 1.4757 |
-0.1993 | 1.7348 | -0.1993 | 1.5527 |
0 | 1.8096 | 0 | 1.6160 |
斜率:0.3873R:0.9999斜率对应于式(1)中的指数n回归分析是利用已知的最小方差和的原理进行的。R是回归质量系数,应该始终大于0.95。 | 斜率:0.3706R:0.9991斜率对应于式(2)中的指数m。回归分析是利用已知的最小方差和的原理进行的。R是回归质量系数,应该始终大于0.95。 | ||
对于实施例2得到的甲基羟乙基纤维素,这种分析给出的n/m为1.05(0.3873/0.3706),所以该产物具有凝胶状流变性。 |
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10233788A DE10233788A1 (de) | 2002-07-25 | 2002-07-25 | Cellulosederivate mit gel-artigen rheologischen Eigenschaften und Verfahren zur Herstellung derselben |
DE10233788.8 | 2002-07-25 |
Publications (2)
Publication Number | Publication Date |
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CN1475507A true CN1475507A (zh) | 2004-02-18 |
CN1319993C CN1319993C (zh) | 2007-06-06 |
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Application Number | Title | Priority Date | Filing Date |
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CNB031331874A Expired - Lifetime CN1319993C (zh) | 2002-07-25 | 2003-07-25 | 具有凝胶状流变性的纤维素衍生物及其制备方法 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6958393B2 (zh) |
EP (1) | EP1384727B2 (zh) |
JP (1) | JP4970703B2 (zh) |
KR (1) | KR101014103B1 (zh) |
CN (1) | CN1319993C (zh) |
AT (1) | ATE399798T1 (zh) |
AU (1) | AU2003221390A1 (zh) |
BR (1) | BR0302446A (zh) |
CA (1) | CA2435805A1 (zh) |
DE (2) | DE10233788A1 (zh) |
ES (1) | ES2306828T5 (zh) |
HK (1) | HK1071148A1 (zh) |
MX (1) | MXPA03006601A (zh) |
PL (1) | PL361416A1 (zh) |
RU (1) | RU2321595C2 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101003577B (zh) * | 2006-01-20 | 2010-12-22 | 上海长光企业发展有限公司 | 一种高取代度聚阴离子纤维素生产工艺 |
CN101547938B (zh) * | 2006-09-09 | 2011-08-31 | 陶氏环球技术公司 | 洗涤多糖衍生物的方法 |
CN105338811A (zh) * | 2013-04-18 | 2016-02-17 | 奥克西特诺工业与贸易公司 | 农用化学油分散配制品、其用途及其制备方法 |
CN105693868A (zh) * | 2014-12-11 | 2016-06-22 | 信越化学工业株式会社 | 制备烷基纤维素的方法 |
CN107735384A (zh) * | 2015-06-30 | 2018-02-23 | 陶氏环球技术有限责任公司 | 用于具有降低粘性的灰浆的含交联纤维素醚石膏组合物 |
CN107735383A (zh) * | 2015-06-30 | 2018-02-23 | 陶氏环球技术有限责任公司 | 用于具有增强的凝胶强度的灰浆的含有交联纤维素醚的水泥瓦粘合组合物 |
TWI706961B (zh) * | 2015-08-27 | 2020-10-11 | 南韓商樂天精密化學股份有限公司 | 製備纖維素醚之方法 |
CN113710708A (zh) * | 2019-05-01 | 2021-11-26 | 陶氏环球技术有限责任公司 | 用于生产交联纤维素醚的方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337011A1 (de) * | 2003-08-12 | 2005-03-17 | Wolff Cellulosics Gmbh & Co. Kg | Additive enthaltend Cellulosederivate mit gel-artigen rheologischen Eigenschaften, deren Verwendung in Baustoffsystemen sowie ein Verfahren zur Zementextrusion unter Einsatz dieser Additive |
KR100738019B1 (ko) | 2005-12-29 | 2007-07-16 | 삼성정밀화학 주식회사 | 흐름저항성이 우수한 조인트컴파운드용히드록시알킬알킬셀룰로오스 제조방법 |
DE102006062140A1 (de) * | 2006-12-22 | 2008-06-26 | Dow Wolff Cellulosics Gmbh | Celluloseetheradditive für die Extrusion keramischer Massen |
EP2109626A1 (en) * | 2007-01-22 | 2009-10-21 | Akzo Nobel N.V. | Process for preparing cellulose ether |
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- 2003-07-15 EP EP03016027A patent/EP1384727B2/de not_active Expired - Lifetime
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- 2003-07-22 CA CA002435805A patent/CA2435805A1/en not_active Abandoned
- 2003-07-23 US US10/626,338 patent/US6958393B2/en not_active Expired - Lifetime
- 2003-07-23 BR BR0302446-6A patent/BR0302446A/pt not_active IP Right Cessation
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- 2003-07-24 KR KR1020030050868A patent/KR101014103B1/ko active IP Right Grant
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- 2003-07-25 CN CNB031331874A patent/CN1319993C/zh not_active Expired - Lifetime
- 2003-07-25 AU AU2003221390A patent/AU2003221390A1/en not_active Abandoned
- 2003-07-25 JP JP2003201870A patent/JP4970703B2/ja not_active Expired - Lifetime
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CN101003577B (zh) * | 2006-01-20 | 2010-12-22 | 上海长光企业发展有限公司 | 一种高取代度聚阴离子纤维素生产工艺 |
CN101547938B (zh) * | 2006-09-09 | 2011-08-31 | 陶氏环球技术公司 | 洗涤多糖衍生物的方法 |
CN105338811A (zh) * | 2013-04-18 | 2016-02-17 | 奥克西特诺工业与贸易公司 | 农用化学油分散配制品、其用途及其制备方法 |
CN105693868A (zh) * | 2014-12-11 | 2016-06-22 | 信越化学工业株式会社 | 制备烷基纤维素的方法 |
CN107735384A (zh) * | 2015-06-30 | 2018-02-23 | 陶氏环球技术有限责任公司 | 用于具有降低粘性的灰浆的含交联纤维素醚石膏组合物 |
CN107735383A (zh) * | 2015-06-30 | 2018-02-23 | 陶氏环球技术有限责任公司 | 用于具有增强的凝胶强度的灰浆的含有交联纤维素醚的水泥瓦粘合组合物 |
CN107735383B (zh) * | 2015-06-30 | 2020-11-13 | 陶氏环球技术有限责任公司 | 用于具有增强的凝胶强度的灰浆的含有交联纤维素醚的水泥瓦粘合组合物 |
TWI706961B (zh) * | 2015-08-27 | 2020-10-11 | 南韓商樂天精密化學股份有限公司 | 製備纖維素醚之方法 |
CN113710708A (zh) * | 2019-05-01 | 2021-11-26 | 陶氏环球技术有限责任公司 | 用于生产交联纤维素醚的方法 |
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ATE399798T1 (de) | 2008-07-15 |
EP1384727B1 (de) | 2008-07-02 |
BR0302446A (pt) | 2004-08-24 |
US20040127700A1 (en) | 2004-07-01 |
DE10233788A1 (de) | 2004-02-05 |
MXPA03006601A (es) | 2004-02-12 |
HK1071148A1 (en) | 2005-07-08 |
CA2435805A1 (en) | 2004-01-25 |
KR101014103B1 (ko) | 2011-02-14 |
ES2306828T5 (es) | 2012-12-27 |
RU2003123018A (ru) | 2005-02-27 |
DE50310059D1 (de) | 2008-08-14 |
KR20040010362A (ko) | 2004-01-31 |
EP1384727A1 (de) | 2004-01-28 |
ES2306828T3 (es) | 2008-11-16 |
CN1319993C (zh) | 2007-06-06 |
EP1384727B2 (de) | 2012-08-29 |
JP2004059922A (ja) | 2004-02-26 |
AU2003221390A1 (en) | 2004-02-12 |
PL361416A1 (en) | 2004-01-26 |
EP1384727B9 (de) | 2008-12-03 |
JP4970703B2 (ja) | 2012-07-11 |
RU2321595C2 (ru) | 2008-04-10 |
US6958393B2 (en) | 2005-10-25 |
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