CN103541021A - Preparation technology of raw bamboo fiber - Google Patents
Preparation technology of raw bamboo fiber Download PDFInfo
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- CN103541021A CN103541021A CN201310459635.3A CN201310459635A CN103541021A CN 103541021 A CN103541021 A CN 103541021A CN 201310459635 A CN201310459635 A CN 201310459635A CN 103541021 A CN103541021 A CN 103541021A
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Abstract
The invention relates to a preparation technology of raw bamboo fiber. The method comprises the steps of (1) pretreatment: putting natural bamboo chips into a pretreatment liquid, adjusting the pH and treating at the room temperature; (2) alkali boil-off: putting bamboo fiber into an alkali treatment liquid, and cooking for 1-3h; (3) bleaching: bleaching by DMD delignification, wherein the pH value is 7-7.5, the temperature is 40-80 DEG C, and the time is 60-120min; (4) acid washing and water washing: treating the product in 1g/ L sulfuric acid with the bath ratio of 1: 15 for 30min at the room temperature under the normal pressure, and then washing the product by the water with 25 DEG C; (5) drying treatment, carding and screening: putting the fiber into a drying oven to remove water, then carding and separating, and drying and screening out the fiber meeting the conditions. The preparation technology has the beneficial effects that the treated raw bamboo fiber has the average diameter of 0.05mm, the average length of 30mm and the average intensity of 2.38CN/ dtex, and is excellent in performances, thus completely meeting the textile requirements.
Description
Technical field
The invention belongs to textile technology field, be specifically related to a kind of preparation technology of bamboo fiber.
Background technology
Bamboo fiber is aftergrowth fiber, is a kind of new fabric raw material after the products such as a day silk, soybean fiber, chitin fiber in recent years.Be to take bamboo as raw material, the high-tech PROCESS FOR TREATMENT through special, extracts the cellulose in bamboo, then the regenerated celulose fibre forming through operation manufactures such as glue, spinning.Because bamboo is in the process of growth, without any pollution sources, come from nature completely, and bamboo fiber can degrade, after degraded to environment without any pollution, back to nature completely again, therefore this fiber is called as Recycled Fibers.
Bamboo fiber has the individual style that is obviously different from cotton, die model cellulose fibre, powerful good, and ABRASION RESISTANCE, hygroscopicity, drapability are good, soft, wear cool and comfortable, dyeability is good, gloss is beautiful, and has natural antibacterial functions, in textile industry, has broad application prospects.Can with natural fabric and the chemical fibre blending such as cotton, fiber crops, day silk, terylene, acrylic fibers, also can purely spin.Be applicable to making house and spin class (if towel is by class, bedding etc.), knitting class (as T-shirt, underwear, socks etc.), underlinen fabric, leisure fabric, medical sanitary product etc.
The idea such as " green product ", " green consumption " has been goed deep into consumer in the heart, and Environment Compatible Textiles also must become the trend of development.And also having adapted to this tendency of the day just, bamboo fiber arises at the historic moment.Although bamboo fiber belongs to cellulose fibre, due to they structure and characteristics own, the preparation technology of bamboo fiber and the preparation method of cellulose fibre are different again.Seeking a kind of easyly and effectively prepare bamboo fiber method, is the emphasis of current bamboo fiber field research and development.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of preparation technology of bamboo fiber, to realize the simple and effective object of preparing bamboo fiber.
A preparation technology for bamboo fiber, comprises the steps:
(1) preliminary treatment: take undressed natural bamboo chip, be put in the pretreatment fluid being mixed by certain density hydrogen peroxide and urea, bath raio 1:15, regulating pH value is 6～8, normal temperature is processed 30min～50min;
(2) alkaline scouring: by pretreated bamboo fibre, be put in by certain density NaOH, Na
2sO
3, Na
2siO
3, in the alkali treatment liquid that mixes of Anthraquinones composite assistant, bath raio 1:20, puts into digesting apparatus, is warming up to set point of temperature under normal pressure, boils 1h～3h, then takes out;
(3) bleaching: the bamboo fibre after adopting DMD delignification to alkaline scouring is bleached, adjusts pH value 7～7.5, controls 40 ℃～80 ℃ of temperature, processing time 60min～120min;
(4) pickling, washing: the bamboo fibre by after bleaching, be put in the sulfuric acid of 1g/L, bath raio 1:15, processes 30min under normal temperature, normal pressure, then uses 25 ℃ of water washings;
(5) drying and other treatment, combing, screening: the fiber after pickling, washing is put in baking oven and removes moisture, and then combing is separated, and dry sieve is selected the fiber satisfying condition.
Further, in described pretreatment fluid, the mass concentration of hydrogen peroxide is 3g/L, and the mass concentration of urea is 8g/L;
Further, in described alkali treatment liquid, NaOH is 10g/L, Na
2sO
3be 3%, Na
2siO
3be 2%, Anthraquinones composite assistant is 1%, is warming up to 70 ℃～90 ℃;
Further, in described drying and other treatment, combing, screening step, moisture removal rate is 40%.
The beneficial effect that the present invention has is: the bamboo fiber after this PROCESS FOR TREATMENT, and average diameter can reach 0.05mm, average length 30mm, mean intensity 2.38CN/dtex, function admirable, can meet weaving requirement completely.Simple process, successful, is a kind of practical art of processing bamboo fiber.
The specific embodiment
In order further to understand advantage of the present invention, below by specific embodiment, effect of the present invention is described.
Embodiment mono-:
A preparation technology for bamboo fiber, comprises the steps:
(1) preliminary treatment: take undressed natural bamboo chip, be put in the pretreatment fluid being mixed by the hydrogen peroxide of 3g/L and the urea of 8g/L, bath raio 1:15, regulating pH value is 6, normal temperature is processed 50min;
(2) alkaline scouring: by pretreated bamboo fibre, be put in by the NaOH of 10g/L, 3% Na
2sO
3, 2% Na
2siO
3, in the alkali treatment liquid that mixes of 1% Anthraquinones composite assistant, bath raio 1:20, puts into digesting apparatus, is warming up to 90 ℃ under normal pressure, boils 1h, then takes out;
(3) bleaching: the bamboo fibre after adopting DMD delignification to alkaline scouring is bleached, adjusts pH value 7～7.5, controls 40 ℃ of temperature, processing time 120min;
(4) pickling, washing: the bamboo fibre by after bleaching, be put in the sulfuric acid of 1g/L, bath raio 1:15, processes 30min under normal temperature, normal pressure, then uses 25 ℃ of water washings;
(5) drying and other treatment, combing, screening: the fiber after pickling, washing is put in baking oven and removes moisture, and moisture removal rate is 40%, then combing is separated, and dry sieve is selected the fiber satisfying condition.
Embodiment bis-:
A preparation technology for bamboo fiber, comprises the steps:
(1) preliminary treatment: take undressed natural bamboo chip, be put in the pretreatment fluid being mixed by the hydrogen peroxide of 3g/L and the urea of 8g/L, bath raio 1:15, regulating pH value is 7, normal temperature is processed 40min;
(2) alkaline scouring: by pretreated bamboo fibre, be put in by the NaOH of 10g/L, 3% Na
2sO
3, 2% Na
2siO
3, in the alkali treatment liquid that mixes of 1% Anthraquinones composite assistant, bath raio 1:20, puts into digesting apparatus, is warming up to 80 ℃ under normal pressure, boils 2h, then takes out;
(3) bleaching: the bamboo fibre after adopting DMD delignification to alkaline scouring is bleached, adjusts pH value 7～7.5, controls temperature 60 C, processing time 100min;
(4) pickling, washing: the bamboo fibre by after bleaching, be put in the sulfuric acid of 1g/L, bath raio 1:15, processes 30min under normal temperature, normal pressure, then uses 25 ℃ of water washings;
(5) drying and other treatment, combing, screening: the fiber after pickling, washing is put in baking oven and removes moisture, and moisture removal rate is 40%, then combing is separated, and dry sieve is selected the fiber satisfying condition.
Embodiment tri-:
A preparation technology for bamboo fiber, comprises the steps:
(1) preliminary treatment: take undressed natural bamboo chip, be put in the pretreatment fluid being mixed by the hydrogen peroxide of 3g/L and the urea of 8g/L, bath raio 1:15, regulating pH value is 8, normal temperature is processed 30min;
(2) alkaline scouring: by pretreated bamboo fibre, be put in by the NaOH of 10g/L, 3% Na
2sO
3, 2% Na
2siO
3, in the alkali treatment liquid that mixes of 1% Anthraquinones composite assistant, bath raio 1:20, puts into digesting apparatus, is warming up to 70 ℃ under normal pressure, boils 3h, then takes out;
(3) bleaching: the bamboo fibre after adopting DMD delignification to alkaline scouring is bleached, adjusts pH value 7～7.5, controls 80 ℃ of temperature, processing time 60min;
(4) pickling, washing: the bamboo fibre by after bleaching, be put in the sulfuric acid of 1g/L, bath raio 1:15, processes 30min under normal temperature, normal pressure, then uses 25 ℃ of water washings;
(5) drying and other treatment, combing, screening: the fiber after pickling, washing is put in baking oven and removes moisture, and moisture removal rate is 40%, then combing is separated, and dry sieve is selected the fiber satisfying condition.
Bamboo fiber after this PROCESS FOR TREATMENT, average diameter can reach 0.05mm, average length 30mm, mean intensity 2.38CN/dtex, function admirable, can meet weaving requirement completely.
In sum, above embodiment is only in order to illustrate the present invention and unrestricted technical scheme described in the invention; Therefore, although this description has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the present invention; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in claim scope of the present invention.
Claims (4)
1. a preparation technology for bamboo fiber, is characterized in that, comprises the steps:
(1) preliminary treatment: take undressed natural bamboo chip, be put in the pretreatment fluid being mixed by hydrogen peroxide and urea, bath raio 1:15, regulating pH value is 6～8, normal temperature is processed 30min～50min;
(2) alkaline scouring: by pretreated bamboo fibre, be put in by NaOH, Na
2sO
3, Na
2siO
3, in the alkali treatment liquid that mixes of Anthraquinones composite assistant, bath raio 1:20, puts into digesting apparatus, under normal pressure, heats up, and boils 1h～3h, then takes out;
(3) bleaching: the bamboo fibre after adopting DMD delignification to alkaline scouring is bleached, adjusts pH value 7～7.5, controls 40 ℃～80 ℃ of temperature, processing time 60min～120min;
(4) pickling, washing: the bamboo fibre by after bleaching, be put in the sulfuric acid of 1g/L, bath raio 1:15, processes 30min under normal temperature, normal pressure, then uses 25 ℃ of water washings;
(5) drying and other treatment, combing, screening: the fiber after pickling, washing is put in baking oven and removes moisture, and then combing is separated, and dry screen fibre.
2. the preparation technology of bamboo fiber according to claim 1, is characterized in that, in described pretreatment fluid, the mass concentration of hydrogen peroxide is 3g/L, and the mass concentration of urea is 8g/L.
3. the preparation technology of bamboo fiber according to claim 1, is characterized in that, in described alkali treatment liquid, NaOH is 10g/L, Na
2sO
3be 3%, Na
2siO
3be 2%, Anthraquinones composite assistant is 1%, is warming up to 70 ℃～90 ℃ under normal pressure.
4. the preparation technology of bamboo fiber according to claim 1, is characterized in that, in described drying and other treatment, combing, screening step, moisture removal rate is 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459635.3A CN103541021A (en) | 2013-09-27 | 2013-09-27 | Preparation technology of raw bamboo fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459635.3A CN103541021A (en) | 2013-09-27 | 2013-09-27 | Preparation technology of raw bamboo fiber |
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| Publication Number | Publication Date |
|---|---|
| CN103541021A true CN103541021A (en) | 2014-01-29 |
Family
ID=49964848
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|---|---|---|---|
| CN201310459635.3A Pending CN103541021A (en) | 2013-09-27 | 2013-09-27 | Preparation technology of raw bamboo fiber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104651953A (en) * | 2014-06-26 | 2015-05-27 | 广西融水县鑫源木业制品有限公司 | Method for producing bamboo fibers |
| CN108864692A (en) * | 2018-05-18 | 2018-11-23 | 许水仙 | A kind of preparation method of high tenacity flame retardant polyurethane grouting material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415790A (en) * | 2002-12-13 | 2003-05-07 | 东华大学 | Method for preparing bamboo fiber from bamboo |
| JP2006116917A (en) * | 2004-10-25 | 2006-05-11 | Ban Kk | Bamboo fiber manufacturing method |
| CN103211337A (en) * | 2013-04-03 | 2013-07-24 | 上海锐麦时装设计有限公司 | Method for making clothing by adopting raw bamboo fiber |
-
2013
- 2013-09-27 CN CN201310459635.3A patent/CN103541021A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415790A (en) * | 2002-12-13 | 2003-05-07 | 东华大学 | Method for preparing bamboo fiber from bamboo |
| JP2006116917A (en) * | 2004-10-25 | 2006-05-11 | Ban Kk | Bamboo fiber manufacturing method |
| CN103211337A (en) * | 2013-04-03 | 2013-07-24 | 上海锐麦时装设计有限公司 | Method for making clothing by adopting raw bamboo fiber |
Non-Patent Citations (1)
| Title |
|---|
| 张巍: "竹纤维精细化加工的研究", 《中国优秀博硕士学位论文全文数据库（硕士）工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104651953A (en) * | 2014-06-26 | 2015-05-27 | 广西融水县鑫源木业制品有限公司 | Method for producing bamboo fibers |
| CN108864692A (en) * | 2018-05-18 | 2018-11-23 | 许水仙 | A kind of preparation method of high tenacity flame retardant polyurethane grouting material |
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Application publication date: 20140129 |