CN102330158A - Hemp degumming and softening synchronous treatment process - Google Patents
Hemp degumming and softening synchronous treatment process Download PDFInfo
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Abstract
The invention provides a hemp degumming and softening synchronous treatment process. The hemp degumming and softening synchronous treatment process comprises the following steps of: after dipping, stirring and ultrasonically treating hemp fiber in a solution with bath ratio of 1:12, washing the hemp fiber; next, dipping the washed hemp in a mixed solution again, radiating the hemp by using ultraviolet rays, and adding a cooking additive to the hemp and mixing the mixture; repeating the steps and adding a softening agent; and finally, adding the cooking additive to the treated hemp fiber and then dipping the hemp fiber in a constant temperature water bath to be cooked; meanwhile, adding the softening agent to the hemp fiber, and stirring, washing, scotching, oiling, deoiling and drying the hemp fiber so as to obtain the synchronously degummed and softened hemp. According to the invention, the softening agent is added to the hemp during cooking and then the hemp is dipped and stirred so that the softening is synchronously carried out; the alkali boiled hemp fiber is placed under strong ultraviolet rays to be radiated again so that the cracks on the surface of the fiber are increased; and the softening agent immediately enters the interior to be grafted and better bonding effect of the softening agent is obtained under the radiation of a coupling agent, a surfactant and ultraviolet rays so as to realize synchronous degumming and softening treatment of the hemp fiber.
Description
Technical field
Coming unstuck of the present invention and the Chinese (greatly) fiber crops is relevant with submissive treatment process, especially a kind ofly in technical process, introduces coming unstuck and the submissive treatment process that combines in together of ultraviolet irradiation and freezing processing.
Background technology
The cellulose of the Chinese (greatly) flax fibre is flocked together through the glycosidic bond connection by glucosyl group and forms micel, and then constitutes the fibril system of filling colloid.The content of lignin of Chinese fiber crops is high, and complex structure is cross-linked into complicated unbodied network structure, has increased the removal difficulty.And the existence of lignin directly influences the compliance of china-hemp fibers and takes performance.Show according to research, when the content of lignin is higher than 1.5%, the china-hemp fibers wiriness, the color yellowing does not possess spinnability basically.And when the content of lignin was lower than 0.8%, the handle of fibre softness was flexible, the color and luster brilliant white.The effect of compliance will directly have influence on the wearability of china-hemp fibers, and therefore, the submissive processing of Chinese fiber crops has just become problem demanding prompt solution.
Publication number is the patent of invention of CN85105350A a kind of " process for chemical degumming of hemp "; Be to utilize the cellulose stability different in the hemp with non-cellulose equal alkali, inorganic acid and oxidant; Macromolecular compound is hydrolyzed to monomer and low molecular compound, from hemp phloem, non-cellulose is removed.The degummed ramie that comes unstuck and make can supply cotton spinning, wool spinning and silk spinning to carry out pure spinning and blending, in being worth, cotton, the fiber crops hair of low, fiber crops, fiber crops polytype fabrics such as blended yarn such as wash.
Publication number is CN101177790A's the patent of invention of " a kind of explosion-high temperature combined hemp degumming method "; Alleviated the pressure of the low alkali treatment of high temperature; Can destroy and be attached at hemicellulose and lignin between the hemp element; Good come unstuck, open fibre, bating effect are arranged, and the pure white high grade yarn loose, soft, that help hemp of the hemp of processing such as spins, weaves at postorder processing.
Publication number is the patent of invention of CN101275289 a kind of " frozen-irradiated auxiliary degumming process for china-hemp fibers "; New methods such as this process using ultraviolet radiation, quenching, mechanical agitation; Degumming effect is superior to conventional degumming method, and the ultimate strength of content of lignin, fiber, percentage elongation meet the spinning post-finishing process requirements, and the pollutant effluents discharging reduces; Processing time is short, is a kind of process of environmental protection.
Above-mentioned existing treatment process to china-hemp fibers mainly is the processing of coming unstuck to china-hemp fibers, and high to there being gum level in the china-hemp fibers, the problem that is difficult to remove is studied, and has all obtained certain effect at Chinese retting process aspect.But above-mentioned technology all fails the submissive treatment process of degumming tech of Chinese fiber crops and Chinese fiber crops is organically combined; Submissive technology and degumming tech are carried out synchronously,, reduce the technology cost with further simplification technological process; Energy savings, reducing to pollute also is the practical problem of being badly in need of solution.
Summary of the invention
Based on above-mentioned prior art, the present invention accomplishes Chinese retting and one step of submissive processing, with further simplification technology, reduces cost, and reduces and pollutes, and a kind of Chinese retting and submissive Synchronous Processing technology are provided.
In order to address the above problem, realize above-mentioned purpose, a kind of Chinese retting provided by the present invention and submissive Synchronous Processing technology follow these steps to carry out:
(1) epidermin of Chinese waste of flax stem is immersed in 70 ℃～80 ℃ the water-bath, stir process 60～80min, every at a distance from 20min-30min suitable/alternately stir counterclockwise, bath raio is 1:12;
(2) with the fiber ultrasonic Treatment 15～20min after the water bath processing;
(3) with the fiber after the sonicated, after washed with de-ionized water, under 50 ℃～60 ℃ temperature, be immersed in sulfuric acid by 0.7-1.0g/L, 0.5-0.7g/L acetic acid, in the mixed solution of 1.0-1.4g/L clorox, suitable/the contrary 20～30min that alternately stirs;
(4) pretreated china-hemp fibers is used washed with de-ionized water; Immerse in the mixed solution of magnesium sulfate and 0.001-0.010mol/L sodium polyphosphate of NaOH, 0.001-0.005mol/L sodium metasilicate, 0.01-0.03mol/L of hydrogen peroxide solution, the 0.25-0.35mol/L of 0.3-0.4mol/L, placing wavelength is radiation 30～50 minutes under the ultraviolet light of 280nm-350nm;
(5) with the fiber after the radiation, add kiering 150 min-200min in the water bath with thermostatic control that is immersed in 80 ℃-100 ℃ behind the boiling-off auxiliary agent, simultaneously, be 150-200r/min with the agitator speed governing, every at a distance from 20min-30min suitable/contraryly alternately stir, make its boiling-off even;
When (6) repeating above-mentioned steps (4), in step (4), add the softener of 15-18% to step (5);
The softener that adds 18-20% in the step (5);
(7) fiber after will handling once more; Add kiering 180 min-200min in the water bath with thermostatic control that is immersed in 90 ℃-100 ℃ behind the boiling-off auxiliary agent, simultaneously, add the softener of 20-25%; With the agitator speed governing is 180-200r/min, whenever at a distance from 10min-20min suitable/contrary alternately stir;
(8) to above-mentioned steps (7) clean, scutching, oil supply, de-oiling and oven dry, make come unstuck with submissive processing after china-hemp fibers.
In technique scheme, the composition and the content of described boiling-off auxiliary agent are: waterglass sodium metasilicate (Na
2Si0
3) 0.01-0.03mol/L, vulcanized sodium (Na
2S) 0.02-0.03mol/L, sodium phosphate trimer (Na
5P
30
10) 0.004-0.006mol/L and sodium sulfite (Na
2SO
3) mixed solution of 0.005-0.006mol/L; Said softener is a kind of in softener sheet (W-200) and the ultra soft instant powder (W-300).
The present invention realizes a kind of Chinese (greatly) retting and soft technology of handling together, and its main feature is: (1) china-hemp fibers is used ultrasonic Treatment when preliminary treatment; Get rid of attached to the impurity that grades of the ash on the fiber; Sulfuric acid and acetic acid can dissolve part hemicellulose and pectin, and clorox chlorine can generate chlorlignin with lignin, in alkali lye, removes again; In addition, clorox can also be bleached.After treatment, it is loose that china-hemp fibers is tending towards, and removes some water-solubility impurities and dust and some are soluble in the pectic substance of acid solution, played the effect of tentatively coming unstuck.(2) fiber adds NaOH, hydrogen peroxide solution and stabilizing agent sodium metasilicate in the process of ultra-violet radiation; Magnesium sulfate, sodium polyphosphate utilizes the pectin that the radiation effects of ultraviolet light can the etching top layer; Enlarge the crackle of pectin; Hydrogen peroxide solution generates free radical when ultra-violet radiation, can react with lignin generation oxidation scission, and lignin is dissolved in the alkali lye easily.Hydrogen peroxide solution to a certain extent also can bleached fiber; When (3) fiber carries out soda boiling, add chemical boiling-off additive, and replenish the mixed solution of NaOH, magnesium sulfate and the vulcanized sodium of evaporating loss frequently, simultaneously with agitator suitable/replace mechanical agitation counterclockwise.(4) when submissive arrangement; 1. the china-hemp fibers when kiering is soaked in the mixed solution of softener, silane resin acceptor kh-550, anionic surfactant sodium dodecylbenzene sulfonate and NaOH and handles; Use the agitator mechanical agitation simultaneously; So not only make fiber further remove remaining colloid, also make fiber absorbs moisture become looser, help softener and get into fibrous inside; And help eliminating residue colloid and dust to the influence of submissive effect, make submissive effect reach best.2. the china-hemp fibers after the soda boiling is placed radiation under the intensive ultraviolet again, the fiber surface crackle increases, and softener gets into inner grafting more easily, and under coupling agent, surfactant and ultraviolet radiation, the combination fastness better effects if of softener.(5) the back fiber that thaws successively carries out operations such as scutching-dehydration-oil supply-de-oiled water-dry/dry.
Description of drawings
Fig. 1 is the sem photograph of the former flax fibre of Chinese fiber crops of the present invention.Among the figure: the wire material is the raw ramie filament of Chinese fiber crops, can see being covered with thick gelatinous layer on the fiber surface.
Fig. 2 is the filament surface scan Electronic Speculum figure after the hemp fiber degumming of the present invention.By can finding out among the figure, the china-hemp fibers smooth surface, impurity such as no colloid adhere to, and fiber surface has groove, help adhering to of functional additive.
Fig. 3 is the filament surface scan Electronic Speculum figure after the submissive Combined Treatment of hemp fiber degumming of the present invention.By finding out among the figure, china-hemp fibers surface gelatinous layer removes basically, and the existence of tangible softener particle is but arranged.
Fig. 4 is the pattern picture of china-hemp fibers raw ramie of the present invention.By finding out that raw ramie color and luster sallow has the brown spot among the figure, fiber sticks together into strips.
Fig. 5 is the pattern picture after china-hemp fibers of the present invention comes unstuck merely.By finding out that the china-hemp fibers color and luster after coming unstuck is pure white, can see tangible single fiber among the figure.
Fig. 6 is the submissive pattern picture that comes unstuck after handling of china-hemp fibers of the present invention.In scheming, can find out that fiber color is pure white, and certain curling arranged.
The specific embodiment
Through the specific embodiment the present invention is made an explanation below.
Short, thick, hard to existing china-hemp fibers and content of cellulose is low, spinnability is poor, usually time is long and the basis of weak effect on, through the improvement process; With the hemp fiber degumming treatment process with submissive treatment process organically gather in, with further simplification technology, reduce cost; Reduce environmental pollution; Realize a kind of hemp fiber degumming treatment process and submissive treatment process Synchronous Processing, reduce the residual gum content and the content of lignin of fiber, improve the whiteness and the flexibility of china-hemp fibers.
Embodiment one
A kind of hemp fiber degumming treatment process of embodiment of the present invention and submissive treatment process, its processing step is following:
(1) with the epidermis portion of Chinese waste of flax stem through 70 ℃ of preparatory water stir process 60min, every at a distance from 20min suitable/alternately stir counterclockwise, the bath raio of fiber and deionized water is 1:12.Impurity such as the ash stain of water treatment cleaning fiber surface, micronic dust, all right softening fibre;
(2) fiber after the water bath processing is got into concussion processing 15min in the processor for ultrasonic wave.Ultrasonic wave makes fiber soft, and the colloid that tentatively comes off;
(3) fiber after the preparatory water treatment is carried out preparatory acid treatment 20min under 50 ℃ temperature, mixed solution is a 0.7g/L sulfuric acid, 0.5g/L acetic acid, and 1.0g/L sodium nitrate, the 1.0g/L clorox, suitable/against alternately stirring 20min, the bath raio of fiber and solution is 1:12.Acid treatment can with lignin generation chemical reaction, lignin tentatively comes off;
(4) Chinese mahjong Chinese fiber crops are inserted in the mixed solution of magnesium sulfate and 0.001mol/L sodium polyphosphate of NaOH, 0.001mol/L sodium metasilicate, 0.01mol/L of hydrogen peroxide solution, the 0.25mol/L of 0.3mol/L soak; The bath raio of fiber and solution is 1:12, places under the ultraviolet light of 280nm radiation again 30 minutes;
(5) in the fiber after the radiation, add the boiling-off auxiliary agent and stir, kiering 150 min in 80 ℃ water bath with thermostatic control, and every NaOH, hydrogen peroxide solution and magnesium sulfate MgSO that configures in the step 1 that add at a distance from 20min
4, the state of the mixed solution of the sodium sulfite of 0.9g/L before kiering; In the time of the water-bath kiering, be 150r/min with the agitator speed governing, every at a distance from 20min suitable/alternately stir counterclockwise, make its boiling-off even;
When (6) repeating above-mentioned steps (4), in step (4), add 15% softener softener sheet (W-200) to step (5); The ultra soft instant powder of softener (W-300) of adding 18% in step (5);
(7) fiber after will handling once more adds kiering 180 min in the water bath with thermostatic control that is immersed in 90 ℃ behind the boiling-off auxiliary agent, simultaneously, adds 20% the ultra soft instant powder of softener (W-300), is 180r/min with the agitator speed governing, every at a distance from 10min suitable/contraryly alternately stir;
(8) to above-mentioned steps (7) clean, scutching, oil supply, de-oiling and oven dry, make come unstuck with submissive after Chinese fiber crops.
The composition of boiling-off auxiliary agent and content are described in the frozen-irradiated auxiliary degumming process for china-hemp fibers of the present invention: waterglass sodium metasilicate (Na
2Si0
3) 0.01mol/L, vulcanized sodium (Na
2S) 0.02mol/L, sodium phosphate trimer (Na
5P
30
10) 0.004mol/L, sodium sulfite (Na
2SO
3) 0.005mol/L.
State on the implementation in the hemp fiber degumming technical process; Having added softener handles in the lump; Under the radiation of ultraviolet light; Surperficial colloid that can the etching china-hemp fibers, can also the catalysis hydrogen peroxide solution and oxygen etc. make its breaking releasing with colloid generation oxidation reaction, combine with fiber thereby make softener enter into fibrous inside.In alkali cooking process, because the adding of reagent such as soda boiling reagent and surfactant, kiering reagent and auxiliary agent and colloid react; Colloid comes off in a large number; Groove etc. appears in fiber surface, and the gelatinous layer that further comes off, softener further get in the fiber and combine firmly with fiber.Chinese fiber crops raw ramie fiber colour is withered and yellow, and fiber is by colloid bonding fasciculation tightly, and wiriness is nonelastic.The fiber colour later that comes unstuck is pure white, and shape is little curling shape, but feel is comparatively stiff, does not almost have elasticity.Come unstuck and submissive china-hemp fibers after handling simultaneously, color and luster brilliant white, filament separate obviously and are curling shape, and combing separates easily, and is soft flexible, hold can most ofly to restore to the original state after agglomerating.
Embodiment two
According to the process of embodiment 1, the difference of embodiment 2 is:
(1) with the epidermis portion of Chinese waste of flax stem through 75 ℃ of preparatory water stir process 70min, every at a distance from 25min suitable/alternately stir counterclockwise;
(2) the concussion processing time is 20min in the processor for ultrasonic wave;
(3) with the fiber after the ultrasonic Treatment, use washed with de-ionized water, under 55 ℃ temperature, be immersed in sulfuric acid by 0.8g/L, 0.6g/L acetic acid, in the mixed solution that the 1.2g/L clorox is formed, suitable/the contrary 25min that alternately stirs;
(4) under the ultraviolet light during radiation concentration of hydrogen peroxide solution be that 0.35mol/L, concentration sodium hydroxide are that the concentration of 0.3mol/L, sodium metasilicate is that the concentration of 0.003mol/L, magnesium sulfate is that the concentration of 0.02mol/L, sodium polyphosphate is 0.005mol/L; Ultraviolet wavelength is 300nm, and radiated time is 40 minutes;
(5) during soda boiling, the kiering temperature is 90 ℃, and the kiering time is 180min, and agitator speed is 180r/min, every at a distance from 25min suitable/alternately stir counterclockwise, make its kiering even;
(6) fiber after will handling once more adds kiering 190min in the water bath with thermostatic control that is immersed in 95 ℃ behind the boiling-off auxiliary agent, simultaneously, adds 20% softener, is 190r/min with the agitator speed governing, every at a distance from 15min suitable/contraryly alternately stir.
The composition of boiling-off auxiliary agent and content are described in the frozen-irradiated auxiliary degumming process for china-hemp fibers of the present invention: waterglass sodium metasilicate (Na
2Si0
3) 0.02mol/L, vulcanized sodium (Na
2S) 0.025mol/L, sodium phosphate trimer (Na
5P
30
10) 0.005mol/L and sodium sulfite (Na
2SO
3) mixed solution of 0.0055mol/L.
Embodiment three
According to the process of embodiment 1, the difference of embodiment 3 is:
(1) with the epidermis portion of Chinese waste of flax stem through 80 ℃ of preparatory water stir process 80min, every at a distance from 30min suitable/alternately stir counterclockwise;
(2) the concussion processing time is 20min in the processor for ultrasonic wave;
(3) with the fiber after the ultrasonic Treatment, use washed with de-ionized water, under 60 ℃ temperature, be immersed in sulfuric acid by 1.0g/L, 0.7g/L acetic acid, in the mixed solution that the 1.4g/L clorox is formed, suitable/the contrary 30min that alternately stirs;
(4) under the ultraviolet light during radiation concentration of hydrogen peroxide solution be that 0.4mol/L, concentration sodium hydroxide are that the concentration of 0.35mol/L, sodium metasilicate is that the concentration of 0.005mol/L, magnesium sulfate is that the concentration of 0.03mol/L, sodium polyphosphate is 0.010mol/L; Ultraviolet wavelength is 350nm, and radiated time is 50 minutes;
(5) during soda boiling, the kiering temperature is 100 ℃, and the kiering time is 200min, and agitator speed is 200r/min, every at a distance from 30min suitable/alternately stir counterclockwise, make its kiering even;
(6) fiber after will handling once more adds kiering 200min in the water bath with thermostatic control that is immersed in 100 ℃ behind the boiling-off auxiliary agent, simultaneously, adds 20% softener, is 200r/min with the agitator speed governing, every at a distance from 20min suitable/contraryly alternately stir.
The composition of boiling-off auxiliary agent and content are described in the frozen-irradiated auxiliary degumming process for china-hemp fibers of the present invention: waterglass sodium metasilicate (Na
2Si0
3) 0.03mol/L, vulcanized sodium (Na
2S) 0.03mol/L, sodium phosphate trimer (Na
5P
30
10) 0.006mol/L and sodium sulfite (Na
2SO
3) mixed solution of 0.006mol/L.
Embodiment four
According to the process of embodiment 1, the difference of embodiment 4 is:
(1) during the re-radiated step; Chinese mahjong Chinese fiber crops are inserted in the mixed solution of softener softener sheet (W-200) of magnesium sulfate and 0.001mol/L sodium polyphosphate and 18% of NaOH, 0.001mol/L sodium metasilicate, 0.01mol/L of hydrogen peroxide solution, the 0.25mol/L of 0.3mol/L and soak; The bath raio of fiber and solution is 1:12, places under the ultraviolet light of 280nm radiation again 30 minutes;
When (2) repeating the soda boiling step, add 20% the ultra soft instant powder of softener (W-300), the kiering temperature is 100 ℃, and the kiering time is 200min, and agitator speed is 200r/min, every at a distance from 30min suitable/alternately stir counterclockwise, make its kiering even.
Embodiment five
According to the process of embodiment 1, the difference of embodiment 5 is:
(1) fiber after will handling once more; Add kiering 180 min in the water bath with thermostatic control that is immersed in 90 ℃ behind the boiling-off auxiliary agent, simultaneously, and add 22% the ultra soft instant powder of softener (W-300); With the agitator speed governing is 180r/min, every at a distance from 10min suitable/contraryly alternately stir.
Embodiment six
According to the process of embodiment 1, the difference of embodiment 6 is:
(1) fiber after will handling once more; Add kiering 180 min in the water bath with thermostatic control that is immersed in 90 ℃ behind the boiling-off auxiliary agent, simultaneously, and add 25% the ultra soft instant powder of softener (W-300); With the agitator speed governing is 180r/min, every at a distance from 10min suitable/contraryly alternately stir.
Claims (3)
1. a Chinese retting and submissive Synchronous Processing technology, its said technology follows these steps to carry out:
(1) epidermin of Chinese waste of flax stem is immersed in 70 ℃～80 ℃ the water-bath, stir process 60～80min, every at a distance from 20min-30min suitable/alternately stir counterclockwise, bath raio is 1:12;
(2) with the fiber ultrasonic Treatment 15～20min after the water bath processing;
(3) with the fiber after the sonicated, after washed with de-ionized water, under 50 ℃～60 ℃ temperature, be immersed in sulfuric acid by 0.7-1.0g/L, 0.5-0.7g/L acetic acid, in the mixed solution of 1.0-1.4g/L clorox, suitable/the contrary 20～30min that alternately stirs;
(4) pretreated china-hemp fibers is used washed with de-ionized water; Immerse in the mixed solution of magnesium sulfate and 0.001-0.010mol/L sodium polyphosphate of NaOH, 0.001-0.005mol/L sodium metasilicate, 0.01-0.03mol/L of hydrogen peroxide solution, the 0.25-0.35mol/L of 0.3-0.4mol/L, placing wavelength is radiation 30～50 minutes under the ultraviolet light of 280nm-350nm;
(5) with the fiber after the radiation, add kiering 150 min-200min in the water bath with thermostatic control that is immersed in 80 ℃-100 ℃ behind the boiling-off auxiliary agent, simultaneously, be 150-200r/min with the agitator speed governing, every at a distance from 20min-30min suitable/contraryly alternately stir, make its boiling-off even;
(6) repeat above-mentioned steps (4), step (5), in step (4), add the softener of 15-18%;
The softener that adds 18-20% in the step (5);
(7) fiber after will handling once more; Add kiering 180 min-200min in the water bath with thermostatic control that is immersed in 90 ℃-100 ℃ behind the boiling-off auxiliary agent, simultaneously, add the softener of 20-25%; With the agitator speed governing is 180-200r/min, whenever at a distance from 10min-20min suitable/contrary alternately stir;
(8) to above-mentioned steps (7) clean, scutching, oil supply, de-oiling and oven dry, make come unstuck with submissive processing after china-hemp fibers.
2. Chinese retting as claimed in claim 1 and submissive Synchronous Processing technology, the composition and the content of described boiling-off auxiliary agent are: waterglass sodium metasilicate (Na
2Si0
3) 0.01-0.03mol/L, vulcanized sodium (Na
2S) 0.02-0.03mol/L, sodium phosphate trimer (Na
5P
30
10) 0.004-0.006mol/L and sodium sulfite (Na
2SO
3) mixed solution of 0.005-0.006mol/L.
3. Chinese retting as claimed in claim 1 and submissive Synchronous Processing technology, described softener are a kind of in softener sheet (W-200) and the ultra soft instant powder (W-300).
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|---|---|---|---|
| CN 201110226213 CN102330158B (en) | 2011-08-09 | 2011-08-09 | Hemp degumming and softening synchronous treatment process |
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|---|---|---|---|
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925990A (en) * | 2012-11-13 | 2013-02-13 | 东华大学 | Method for pre-spinning chemical modification and degumming of linen fiber |
| CN103590277A (en) * | 2013-11-27 | 2014-02-19 | 上海大学 | Method for preparing nano-crystalline cellulose spheres by utilizing onionskins |
| CN107354786A (en) * | 2017-07-19 | 2017-11-17 | 广西师范学院 | Sisal hemp footwear rope |
| CN108505125A (en) * | 2017-02-27 | 2018-09-07 | 赵松竹 | A kind for the treatment of process dissociating natural plant fibre using mechanical oscillation wave energy |
| CN112616316A (en) * | 2018-04-09 | 2021-04-06 | 复兴纤维有限责任公司 | Degumming and scouring of bast materials for textile and pulp quality fiber production |
| CN113389046A (en) * | 2021-04-02 | 2021-09-14 | 百事基材料（青岛）股份有限公司 | Hemp biological fiber containing coffee active component and preparation method thereof |
| CN113564729A (en) * | 2021-07-23 | 2021-10-29 | 黑龙江三兵汉麻云科技有限公司 | Fine extraction and separation method for hemp fibers |
| CN114381810A (en) * | 2021-11-22 | 2022-04-22 | 东嘉麻棉(常州)有限公司 | Degumming technology of environment-friendly novel China hemp fiber |
| CN114808321A (en) * | 2022-04-25 | 2022-07-29 | 张家港扬子纺纱有限公司 | Softening and health-preserving treatment process for wool and linen blended yarns |
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| CN101922049A (en) * | 2010-08-15 | 2010-12-22 | 青岛大学 | Method for preparing hemp microwave irradiation degummed fiber |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925990A (en) * | 2012-11-13 | 2013-02-13 | 东华大学 | Method for pre-spinning chemical modification and degumming of linen fiber |
| CN103590277A (en) * | 2013-11-27 | 2014-02-19 | 上海大学 | Method for preparing nano-crystalline cellulose spheres by utilizing onionskins |
| CN103590277B (en) * | 2013-11-27 | 2016-01-13 | 上海大学 | A kind of method utilizing onion-skin to prepare nano-cellulose geode |
| CN108505125A (en) * | 2017-02-27 | 2018-09-07 | 赵松竹 | A kind for the treatment of process dissociating natural plant fibre using mechanical oscillation wave energy |
| CN107354786A (en) * | 2017-07-19 | 2017-11-17 | 广西师范学院 | Sisal hemp footwear rope |
| CN112616316A (en) * | 2018-04-09 | 2021-04-06 | 复兴纤维有限责任公司 | Degumming and scouring of bast materials for textile and pulp quality fiber production |
| CN113389046A (en) * | 2021-04-02 | 2021-09-14 | 百事基材料（青岛）股份有限公司 | Hemp biological fiber containing coffee active component and preparation method thereof |
| CN113564729A (en) * | 2021-07-23 | 2021-10-29 | 黑龙江三兵汉麻云科技有限公司 | Fine extraction and separation method for hemp fibers |
| CN114381810A (en) * | 2021-11-22 | 2022-04-22 | 东嘉麻棉(常州)有限公司 | Degumming technology of environment-friendly novel China hemp fiber |
| CN114808321A (en) * | 2022-04-25 | 2022-07-29 | 张家港扬子纺纱有限公司 | Softening and health-preserving treatment process for wool and linen blended yarns |
| CN114808321B (en) * | 2022-04-25 | 2023-10-24 | 张家港扬子纺纱有限公司 | Soft health-preserving treatment process for wool-hemp blended yarns |
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