CN109575314A - 一种溶解纤维素的方法 - Google Patents
一种溶解纤维素的方法 Download PDFInfo
- Publication number
- CN109575314A CN109575314A CN201811611851.4A CN201811611851A CN109575314A CN 109575314 A CN109575314 A CN 109575314A CN 201811611851 A CN201811611851 A CN 201811611851A CN 109575314 A CN109575314 A CN 109575314A
- Authority
- CN
- China
- Prior art keywords
- cellulose
- mass fraction
- urea
- solidliquid mixture
- water
- 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.)
- Granted
Links
- 229920002678 cellulose Polymers 0.000 title claims abstract description 78
- 239000001913 cellulose Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004090 dissolution Methods 0.000 title description 6
- 235000010980 cellulose Nutrition 0.000 claims abstract description 76
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 53
- 239000000203 mixture Substances 0.000 claims abstract description 22
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004202 carbamide Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920000875 Dissolving pulp Polymers 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 8
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 8
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 6
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract description 29
- 235000011121 sodium hydroxide Nutrition 0.000 abstract description 18
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 238000010583 slow cooling Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 10
- 238000000399 optical microscopy Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 235000013339 cereals Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 241000705930 Broussonetia papyrifera Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811611851.4A CN109575314B (zh) | 2018-12-27 | 2018-12-27 | 一种溶解纤维素的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811611851.4A CN109575314B (zh) | 2018-12-27 | 2018-12-27 | 一种溶解纤维素的方法 |
Publications (2)
Publication Number | Publication Date |
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CN109575314A true CN109575314A (zh) | 2019-04-05 |
CN109575314B CN109575314B (zh) | 2021-05-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811611851.4A Active CN109575314B (zh) | 2018-12-27 | 2018-12-27 | 一种溶解纤维素的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN109575314B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110841610A (zh) * | 2019-12-11 | 2020-02-28 | 广西科技大学 | 一种固载高分子的重金属吸附剂的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002097175A2 (de) * | 2001-05-30 | 2002-12-05 | Deutsche Institute für Textil- und Faserforschung Stuttgart | Material auf cellulosebasis geeignet zum salzarmen färben und bedrucken in hohen farbausbeuten und echtheiten sowie zum bedrucken mittels ink-jet-verfahren und nasstransferdruck |
CN101921402A (zh) * | 2010-09-21 | 2010-12-22 | 武汉大学 | 一种通过热水凝固浴制备纤维素薄膜的方法 |
-
2018
- 2018-12-27 CN CN201811611851.4A patent/CN109575314B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002097175A2 (de) * | 2001-05-30 | 2002-12-05 | Deutsche Institute für Textil- und Faserforschung Stuttgart | Material auf cellulosebasis geeignet zum salzarmen färben und bedrucken in hohen farbausbeuten und echtheiten sowie zum bedrucken mittels ink-jet-verfahren und nasstransferdruck |
CN101921402A (zh) * | 2010-09-21 | 2010-12-22 | 武汉大学 | 一种通过热水凝固浴制备纤维素薄膜的方法 |
Non-Patent Citations (1)
Title |
---|
何爱见等: "纤维素在氢氧化钠/尿素的溶解", 《中国造纸学会第十五届学术年会会议论文》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110841610A (zh) * | 2019-12-11 | 2020-02-28 | 广西科技大学 | 一种固载高分子的重金属吸附剂的制备方法 |
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Publication number | Publication date |
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CN109575314B (zh) | 2021-05-11 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20240321 Address after: Room 1408, Building 3, Nanxiang City Plaza, Bengshan District, Bengbu City, Anhui Province, 233000 Patentee after: Bengbu zhengnuohe Technology Consulting Service Co.,Ltd. Country or region after: China Address before: 545006 268 East Ring Road, Liuzhou, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI University OF SCIENCE AND TECHNOLOGY Country or region before: China |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240326 Address after: No. 11, West Zhufang Village Road, Nanshan Town, Changting County, Longyan City, Fujian Province, 366302 Patentee after: Liu Senmei Country or region after: China Address before: Room 1408, Building 3, Nanxiang City Plaza, Bengshan District, Bengbu City, Anhui Province, 233000 Patentee before: Bengbu zhengnuohe Technology Consulting Service Co.,Ltd. Country or region before: China |