CN1321240C - A kind of biological treatment method of flax short fiber - Google Patents
A kind of biological treatment method of flax short fiber Download PDFInfo
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- CN1321240C CN1321240C CNB2005100104637A CN200510010463A CN1321240C CN 1321240 C CN1321240 C CN 1321240C CN B2005100104637 A CNB2005100104637 A CN B2005100104637A CN 200510010463 A CN200510010463 A CN 200510010463A CN 1321240 C CN1321240 C CN 1321240C
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- 238000000034 method Methods 0.000 title claims abstract description 91
- 239000000835 fiber Substances 0.000 title claims abstract description 75
- 241000208202 Linaceae Species 0.000 title claims abstract description 22
- 235000004431 Linum usitatissimum Nutrition 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 230000018044 dehydration Effects 0.000 claims abstract description 29
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 29
- 102000004190 Enzymes Human genes 0.000 claims abstract description 22
- 108090000790 Enzymes Proteins 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 238000006731 degradation reaction Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000004090 dissolution Methods 0.000 claims abstract 12
- 230000015556 catabolic process Effects 0.000 claims abstract 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 31
- 239000008234 soft water Substances 0.000 claims description 26
- 238000007670 refining Methods 0.000 claims description 16
- 230000007515 enzymatic degradation Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- 239000004902 Softening Agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 244000025254 Cannabis sativa Species 0.000 claims 11
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims 11
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims 11
- 235000009120 camo Nutrition 0.000 claims 11
- 235000005607 chanvre indien Nutrition 0.000 claims 11
- 239000011487 hemp Substances 0.000 claims 11
- 238000002791 soaking Methods 0.000 claims 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 2
- 239000008041 oiling agent Substances 0.000 claims 1
- 238000011112 process operation Methods 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 238000009987 spinning Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004040 coloring Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 abstract 1
- 238000003911 water pollution Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 13
- 238000007654 immersion Methods 0.000 description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 6
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000003809 water extraction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000010297 mechanical methods and process Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-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
- 230000004913 activation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000000578 dry spinning Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007378 ring spinning Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
一种亚麻短纤维的生物处理方法，涉及一种制备亚麻短纤维的方法。现有亚麻短纤维的处理方法存在纤维受损失重、强力下降以及可纺性和染色性差的问题。一种亚麻短纤维的生物处理方法，它依次包括以下步骤：a.酶催化降解→b.热水溶解→c.萃取→d.热水溶解→e.脱水→f.柔软→g.脱水→h.烘干→i.纤维机械分裂。本发明用生物技术加工亚麻短纤维的方法，是在常压设备中，利用生物复合酶有针对性地去除大部分纤维共生物，不损伤纤维强力，提高了纤维的分裂度，增加了工艺纤维的可纺性和纺纱支数，同时增加了染料的上染率和色牢度，着色均匀。纤维柔软，其可纺性和染色性大大提高。并且本发明的方法不会造成废水污染，加工设备和操作方法都非常简单，利于推广应用。A biological treatment method for flax short fibers relates to a method for preparing flax short fibers. The existing processing method of flax short fiber has the problems of fiber loss, strength reduction, poor spinnability and dyeability. A biological treatment method for flax short fiber, which sequentially includes the following steps: a. enzyme-catalyzed degradation → b. hot water dissolution → c. extraction → d. hot water dissolution → e. dehydration → f. softness → g. dehydration → h. Drying → i. Fiber mechanical splitting. The method for processing flax staple fiber by biotechnology in the present invention is to use biological compound enzymes to remove most of the fiber symbiosis in a targeted manner in the normal pressure equipment, without damaging the fiber strength, improving the splitting degree of the fiber, and increasing the process fiber Excellent spinnability and spinning count, while increasing the dye uptake and color fastness, the coloring is uniform. The fiber is soft, and its spinnability and dyeability are greatly improved. Moreover, the method of the invention will not cause waste water pollution, and the processing equipment and operation method are very simple, which is beneficial to popularization and application.
Description
Technical field
The present invention relates to a kind of is the method for feedstock production flax p staple fibre with thick fiber crops.
Background technology
Present towy processing method mainly is Mechanical Method and chemical degumming law, and existing widely used is Mechanical Method.The fiber that Mechanical Method processes can't be removed the commensal of linen fibre: pectin, lignin, hemicellulose etc., fiber is thick, hard, spinnability and dyeability are poor, the highest fixed 7 English of the pure dimity industry standard of dry-spinning prop up (11.85 public), and in the actual production except that the good raw material of minority using character, majority can only spin to 5 English and prop up (8.5 public), and product structure is simple, and is of low grade; The grey cloth of producing, when printing and dyeing, be the raising dyeability, have to use a large amount of chemicals such as caustic soda, clorox etc. to strengthen boiling-off and bleaching, when removing a large amount of fiber commensal and impurity such as numb skin, hards, the impaired weightlessness of fabric fibre, powerful decline not only lost the original style of linen yarn but also caused serious contaminated wastewater; Chemical degumming law uses a large amount of caustic soda to cause serious contaminated wastewater, and many to the fiber strength loss, short fiber content height, process equipment and method of operating complexity.
Summary of the invention
There is the problem of impaired serious, the powerful decline of fiber and spinnability and dyeability difference at existing towy processing method, the invention provides a kind of spinnability and chromatic towy bioremediation of not damaging fiber strength, can significantly improving fiber.A kind of towy bioremediation, it may further comprise the steps: a. enzymatic degradation → b. hot water dissolving → c. extraction → d. hot water dissolving → e. dehydration → f. softness → g. dehydration → h. oven dry → i. fibre machinery division; Described " a. enzymatic degradation " process is: the soft water water temperature is risen to 15～65 ℃, under the condition of PH=7～9.5, add refining enzyme 301L, the addition of refining enzyme 301L accounts for 0.5%～3% of thick numb weight; Add thick fiber crops then, soak after 1～8 hour discharge opeing; Immersion process need keep the temperature of water at 15～65 ℃; Described " c. extraction " process is: the soft water water temperature is risen to 50～100 ℃, add and account for original thick numb weight 1.5%～5%, mass concentration at the Na0H sheet alkali more than 96%, after stirring well, add the liquid sodium silicate that accounts for original thick numb weight 1～5%, modulus 2.2～2.5 again and stir evenly; The control water temperature is put into then through the thick fiber crops behind the b step hot water dissolving and was soaked discharge opeing then 30～90 minutes at 90～100 ℃; Immersion process need keep the temperature of water at 90～100 ℃; Described " e. dehydration " process is: with Water Extraction Machinery the thick fiber crops of d step gained are dewatered, make its dehydration after moisture content be 35～60%; Described " f. softness " process is: the soft water water temperature is risen to 30～50 ℃, add the softener account for original thick numb weight 1～5%, after stirring, put into the thick fiber crops after the dehydration, soaked discharge opeing 20～40 minutes; Immersion process keeps water temperature at 30～50 ℃; Described " g. dehydration " process is: with Water Extraction Machinery the thick fiber crops of f step gained are dewatered, make its dehydration after moisture content be 35～80%; Described " division of i. fibre machinery " process is: the oven dry regain in the h step divided at 10～25% o'clock, hit through opener, single thorn machine and scutching fluffer machinery successively, split into rescutched tow.The present invention processes towy method with biotechnology, be in normal pressure equipment, utilize biological complex enzyme to remove most of fiber commensal targetedly, do not damage fiber strength, improved the division degree of fiber, increase the spinnability and the spinning count of process of fiber, increased the dye-uptake and the COLOR FASTNESS of dyestuff simultaneously, uniform coloring.Fiber softening, its spinnability and dyeability improve greatly.And method of the present invention can not cause contaminated wastewater, and process equipment and method of operating are all very simple, are beneficial to and apply.
The specific embodiment
The specific embodiment one: present embodiment is a kind of towy bioremediation, and it may further comprise the steps: a. enzymatic degradation → b. hot water dissolving → c. extraction → d. hot water dissolving → e. dehydration → f. softness → g. dehydration → h. oven dry → i. fibre machinery division;
Described " a. enzymatic degradation " process is: the soft water water temperature is risen to 15～65 ℃, under the condition of PH=7～9.5, add refining enzyme 301L, the addition of refining enzyme 301L accounts for 0.5%～3% of thick numb weight; Add thick fiber crops then, soak after 1～8 hour discharge opeing; Immersion process need keep the temperature of water at 15～65 ℃;
The concrete enzymatic degradation process of setting forth can be divided into following three steps:
(1) enzyme activates: soft water is under the condition of PH=7～9.5, water temperature remains on 15～65 ℃, add refining enzyme 301L, mechanical agitation fully mixes refining enzyme 301L with water, make enzyme enter the state of activity and rate of catalysis reaction the best thereof, the addition of refining enzyme 301L accounts for 0.5%～3% of thick numb weight; Described refining enzyme 301L is that letter (China) Bioisystech Co., Ltd of Novi sells;
(2) thick fiber crops are soaked into: water temperature remains on 15～65 ℃, and thick fiber crops are successively evenly joined in the solution of " enzyme activation " process preparation with fluffy state, and every adding one deck will press down raw material, makes raw material fully by behind the solution impregnation, adds one deck down again, to all adding;
(3) commensal degraded: after " thick fiber crops are soaked into " process finished, water temperature remained on 15～65 ℃, soaks 1～8 hour, the centre is stirred and is soaked into material 1～4 time or utilize circulating water device to make solution keep flowing, under the efficient catalytic effect of enzyme, flax commensal is degraded rapidly, forms solable matter; Reach discharge opeing after the soak time; Immersion process need keep the temperature of water at 15～65 ℃, water temperature keeps method of temperature can adopt the incubator with better heat insulation effect, also can take other heat preserving methods, final purpose is to want strict control water temperature between 15～65 ℃, can guarantee to realize purpose of the present invention;
Described thick sack is drawn together flax one thick and second hards; Flax one slightly is meant in producing the process of scutched line, and the disorderly linen fibre under manually falling after the combing or combing is commonly called as one thick.Second hards is meant in producing the process of scutched line, and the noil of generation after handling through noil (cast tow) processing machine, promptly becomes second hards, is commonly called as two thick.
Described " c. extraction " process is: the soft water water temperature is risen to 50～100 ℃, add and account for original thick numb weight 1.5%～5%, mass concentration at the NaOH sheet alkali more than 96%, after stirring well, add the liquid sodium silicate that accounts for original thick numb weight 1～5%, modulus 2.2～2.5 again and stir evenly; The control water temperature is put into then through the thick fiber crops behind the b step hot water dissolving and was soaked 30～90 minutes at 90～100 ℃, and purpose is to make it dissolve most of commensal degradation product, discharge opeing then; Immersion process need keep the temperature of water at 90～100 ℃;
Described " e. dehydration " process is: with Water Extraction Machinery the thick fiber crops of d step gained are dewatered, make its dehydration after moisture content be 35～60%;
Described " f. softness " process is: the soft water water temperature is risen to 30～50 ℃, add the softener account for original thick numb weight 1～5%, after stirring, put into the thick fiber crops after the dehydration, soaked discharge opeing 20～40 minutes; Immersion process keeps water temperature at 30～50 ℃;
Described " g. dehydration " process is: with Water Extraction Machinery the thick fiber crops of f step gained are dewatered, make its dehydration after moisture content be 35～80%;
Described " division of i. fibre machinery " process is: the oven dry regain in the h step divided at 10～25% o'clock, carried out machinery successively through opener, single thorn machine and scutching fluffer (being commonly called as two thorn machines) and hit, and split into rescutched tow.The drying course of h step can adopt the hair dryer that looses to dry, and also can adopt other oven dry ways, as long as can reach the purpose of oven dry.
The specific embodiment two: the water temperature when " the b. hot water dissolving " of present embodiment and " d. hot water dissolving " is 50～100 ℃, and the water that the hot water dissolving uses can be soft water, also can be hard water, and the water-soluble process is for washing, rubbing.B step hot water dissolving's purpose is to remove partial impurities and the dissolving part commensal degradation product on the thick fiber crops; The hot water dissolving of d step has same purpose, but directly carries out " e. dehydration " process afterwards " hot water dissolving ", then then will reach the PH=7 of water-soluble liquid after its hot water dissolving.Other is identical with the specific embodiment one.
The specific embodiment three: present embodiment and the specific embodiment two differences are, between " d. hot water dissolving " process and " e. dehydration ", add " cold-water solution " process, water temperature during cold-water solution is 10～40 ℃, can be soft water, also can be hard water, cold-water solution has the purpose same with the hot water dissolving, but increases the consumption that the cold-water solution process can be saved the energy, reduces cost.Owing to add " cold-water solution " process afterwards " hot water dissolving ",, but after cold-water solution, then will reach the PH=7 of water-soluble liquid so the pH value of water-soluble liquid can be controlled after the hot water dissolving.
The specific embodiment four: present embodiment and aforementioned embodiments difference are, the refining enzyme 301L of a step in joining soft water before with 1～30 times of 15～65 ℃ water dilution, the refining enzyme that joins again after the dilution earlier in the soft water can be better and water-soluble closing, thereby it is more fully contacted with thick fiber crops.
The specific embodiment five: present embodiment and aforementioned embodiments difference are, before joining in the soft water, NaOH in the c step, dilutes 1～35 times with 10～100 ℃ of water before liquid sodium silicate joins in the soft water with 1～35 times of 0～30 ℃ of cold-water solution dilution; Joining earlier NaOH in the soft water and liquid sodium silicate after the dilution again can be better and water-soluble closing, thereby it is more fully contacted with thick fiber crops.
The specific embodiment six: present embodiment and aforementioned embodiments difference are, water with 15～60 ℃ before softener in the f step joins in the soft water dilutes 1～20 times, the softener that joins again after the dilution earlier in the soft water can be better and water-soluble closing, thereby it is more fully contacted with thick fiber crops.。
The specific embodiment seven: in the present embodiment, the softener in the f step is the quick finish SS-2005 of giving of Shanghai photoinitiator chemical company sale forever, the perhaps softening agent HC of Yingkou Da Quan slurry Co., Ltd sale.But the softener among the present invention is not limited to above-mentioned two kinds, so long as can make the finish of the capable softnesses of natural fabric tool such as fiber crops, cotton, smooth performance, can realize purpose of the present invention, so all should be within protection scope of the present invention.
The specific embodiment eight: in the present embodiment, the thick fiber crops amount that is added to the water is: thick numb weight is 1: 10～15 with the ratio of the weight of water, and described thick numb weight is " a. enzymatic degradation " thick numb weight before; That is to say that thick numb bath raio is 1: 10～15, such ratio can make thick fiber crops have the bigger space that contacts with dissolved matter in the water, thereby increases treatment effect.
The specific embodiment nine:, can carry out dual-spectrum process for the raw material that contains more commensal.Integrated artistic operating procedure through after-treatment is as follows: a. enzymatic degradation (for the first time) → b. hot water dissolving → c. extraction (for the first time) → d. hot water dissolving → a. enzymatic degradation (for the second time) → b. hot water dissolving → c. extraction (for the second time) → d. hot water dissolving → e. dehydration → f. softness → e. dehydration → h. oven dry → i. fibre machinery division.The specific operation process of each step is identical with corresponding steps process in the specific embodiment one, but a step uses the consumption of refining enzyme only to need the first time of half of consumption during a step process for the second time; NaOH and sodium metasilicate consumption can also can reduce 20～50% with to handle consumption for the first time identical for the second time, can realize goal of the invention.
Present embodiment has only increased by 20～50% through the use amount of dual-spectrum process refining enzyme and the use amount of the specific embodiment one described single treatment refining enzyme, and NaOH and sodium metasilicate consumption have only increased by 20～50%.Can the better cleaning raw material through dual-spectrum process, thus fiber division degree can be improved, increase the fineness of fiber, reduce super over-length fibre, the quality of raising staple fibre.
The specific embodiment ten: present embodiment and the specific embodiment nine differences are, after two " c. extraction → d. hot water dissolving " steps, add " cold-water solution " process, cold-water solution has the purpose same with the hot water dissolving, but increase the consumption that the cold-water solution process can be saved the energy, reduce cost.
The specific embodiment 11: for the commensal content in the thick fiber crops when higher, can be with " a. enzymatic degradation " process and the transposing of " c. extraction " procedural order, promptly carry out " c. extraction " process earlier, carry out " b. hot water dissolving " process then, carry out " a. enzymatic degradation " process again, subsequent process is identical with the specific embodiment one.
The specific embodiment 12: present embodiment and aforementioned embodiments difference are, the hardness of soft water is below 100PPM, the soft water that meets this condition can avoid polyvalent metal ions such as iron, calcium and magnesium to influence the degraded of flax commensal, thereby improves the quality of products.
Experimental verification, the rescutched tow spinnability of handling with the method for the invention improves (it is good to be mainly reflected in coherent) greatly, reaches 24 public by spin the pure dimity with common cotton spinning equipment (RING SPINNING).
Spun 15 public of the rescutched tows and the 24 public Zhi Ganfang that obtain with the inventive method encircle the pure dimity of ingots through test more than 10 times, and the resultant yarn index all can reach following parameter, can satisfy fully and weave needs.
| Yarn (public) | Single thread ultimate strength (CN) | Powerful (CV value) | Weight (CV value) |
| 15 | 500～600 | 15～24 | 2～3.5 |
| 24 | 280～320 | 18～25 | 2～4.5 |
Claims (10)
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| CNB2005100104637A CN1321240C (en) | 2005-10-21 | 2005-10-21 | A kind of biological treatment method of flax short fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100104637A CN1321240C (en) | 2005-10-21 | 2005-10-21 | A kind of biological treatment method of flax short fiber |
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| CN1752337A CN1752337A (en) | 2006-03-29 |
| CN1321240C true CN1321240C (en) | 2007-06-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2372430C1 (en) * | 2008-05-19 | 2009-11-10 | Учреждение Российской академии наук "Институт химии растворов РАН" | Enzymatic method of final softening of linen dressing |
| CN106149412A (en) * | 2016-07-18 | 2016-11-23 | 南通富之岛寝具发展有限公司 | A kind of cotton fabric pre-dyeing method |
| CN116623302B (en) * | 2023-05-24 | 2023-10-27 | 黑龙江圆宝纺织股份有限公司 | Method for preparing flax short fiber by taking flax second coarse fiber as raw material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6081308A (en) * | 1983-10-12 | 1985-05-09 | Uzubou:Kk | Scouring of flax |
| CN1011861B (en) * | 1984-08-24 | 1991-03-06 | 联合碳化公司 | Improvement of Fluidized Bed Polymerization Reactor |
| RU2109858C1 (en) * | 1996-02-20 | 1998-04-27 | Ивановская государственная химико-технологическая академия | Method for primary treatment of flax |
| CN1546782A (en) * | 2003-12-05 | 2004-11-17 | 大连轻工业学院 | Bioenzyme one-bath degumming modification technology of hemp bast fiber |
-
2005
- 2005-10-21 CN CNB2005100104637A patent/CN1321240C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6081308A (en) * | 1983-10-12 | 1985-05-09 | Uzubou:Kk | Scouring of flax |
| CN1011861B (en) * | 1984-08-24 | 1991-03-06 | 联合碳化公司 | Improvement of Fluidized Bed Polymerization Reactor |
| RU2109858C1 (en) * | 1996-02-20 | 1998-04-27 | Ивановская государственная химико-технологическая академия | Method for primary treatment of flax |
| CN1546782A (en) * | 2003-12-05 | 2004-11-17 | 大连轻工业学院 | Bioenzyme one-bath degumming modification technology of hemp bast fiber |
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| CN1752337A (en) | 2006-03-29 |
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