CN101016653A - Method of preparing rayon staple by benne stalk - Google Patents
Method of preparing rayon staple by benne stalk Download PDFInfo
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- CN101016653A CN101016653A CN 200610048101 CN200610048101A CN101016653A CN 101016653 A CN101016653 A CN 101016653A CN 200610048101 CN200610048101 CN 200610048101 CN 200610048101 A CN200610048101 A CN 200610048101A CN 101016653 A CN101016653 A CN 101016653A
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Abstract
The invention relates to a method for using pedaliin stem to prepare adhesive staple fiber, comprising that preparing pedaliin stam adhesive slurry and using said slurry to prepare adhesive staple fiber. The first step comprises that preparing material, degelatinizing, beating, refining, dechlorinating, acid treating, and softening. And the second step comprises that feeding slurry, immerging, compressing, aging, cooling, sulfidising, dissolving, filtering, ripening, defoaming, filtering, spinning, beaming drawing, following treating, circling and drying. The invention has the advantages that the resources are abundant, with low cost, while the prepared fiber has high quality, high mechanism strength, soft face, or the like.
Description
Technical field
The present invention relates to utilize benne stalk to produce cellulose viscose pulp, and the technology of further spinning production viscose.
Background technology
Viscose is to be base stock with the native cellulose, traditional viscose forms with the needlebush manufacturing, because there is lack of raw materials and the innovation of pulping technique, some leaf woods, cotton linter, crudefiber crop raw material etc. also are applied in the production of cellulose viscose pulp, with needlebush and leaf wood is thereby that raw material may relate to trees and fells and influence environment, problems such as destruction natural, ecological; Therefore the application of some new raw materials will have more wide prospect.Flax is a kind of of flax, in China Inner Mongol, Gansu, Ningxia, Qinghai, Hebei rich in natural resources is arranged, flax belongs to oil crops, is mainly used in oil expression, the flax stalk acts as a fuel more for a long time, utilizes this cheap raw material of flax stalk to produce textiles and has great importance.
By retrieval, do not find to prepare the method for benne stalk viscose staple fibre as yet.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly utilizes enormous amount, cheap and easy to get agricultural wastes---benne stalk is a raw material production viscose glue pulp, and the method for further spinning manufacturing viscose staple fibre, promptly utilize benne stalk to prepare the method for viscose staple fibre.
The technical solution adopted for the present invention to solve the technical problems:
The present invention includes preparation benne stalk viscose glue pulp and prepare viscose staple fibre two with this pulp and go on foot greatly, its concrete technology is as follows:
One, the technology of preparation benne stalk viscose glue pulp:
(1) get the raw materials ready: raw material is a benne stalk, goes the root tip, removal of impurities, cuts into 20～40mm, pound with machinery and split, and removal of impurities then, washing is soaked;
(2) come unstuck:
A. acidleach: process conditions are: sulfuric acid concentration is 3～4%, bath raio 1: 8, and temperature 25-28 ℃, time 18-26h washes standby;
B. alkaline boiling: in boiling vessel, carry out;
Process conditions: primary alkali charge: 4.5-7g/L, bath raio 1: 10, anthraquinone consumption 0.1-0.25%, treatment temperature 95-100 ℃, time 1～1.5h, 70～80 ℃ of washing temperature;
Secondary alkali charge: 7-9g/l, bath raio 1: 5～6, anthraquinone consumption 0.1～0.3%, Na
2SO
3Consumption 19.5～23%, treatment temperature 95-100 ℃, time 1h; 70～80 ℃ of washing temperature; Sulphidity: 18～22%, temperature retention time is: 6-7h; 165～168 ℃ of holding temperatures;
Material is washed in batch turning after the boiling, 75 ℃ water washing;
(3) making beating:
Process conditions: beating time 50-60min, beating degree 〉=32 ° SR, humidity 18g;
(4) refining:
Technological process: float that preceding preliminary treatment, alkali treatment, clorox are floated, alkali treatment, clorox float;
The process for refining condition is shown in the following table:
| Processing step | Slurry concentration | Chemicals and consumption | Temperature | Processing time |
| Prebleaching | 5％ | Chlorine 7% (to brown stock) | 45℃ | 30min |
| Chlorination | 10％ | Chlorine 8% | 35-40℃ | 45min |
| Alkali treatment | 10％ | NaOH 4.8% | 65℃ | 150min |
| Clorox floats | 10％ | Clorox 7% | 45℃ | 150min |
| Alkali treatment | 10％ | NaOH 2.0% | 95℃ | 90min |
| Clorox floats | 10％ | Clorox 2% | 45℃ | 90min |
(5) dechlorination: remove residual chlorine with sodium thiosulfate;
(6) acid treatment: with acid amount 2-3%, normal temperature 60min;
End product quality: alpha cellulose: 90.0%
Cuprammonium viscosity: 15.5CP
Ash content: 0.12%
Iron-holder: 18-20mg/kg;
(7) the softening processing: add the softener emulsion and handle;
Two, the technology of the viscose glue pulp production viscose staple fibre of usefulness benne stalk raw material production is as follows:
(1) feeds the dregs of rice: in feeding dregs of rice machine, carry out, by output folding speed;
(2) dipping; In treating tank, carry out dipping concentration 23 ± 1g/l; Alkali concn: 240g/l; 54 ± 1 ℃ of dipping temperatures;
Dip time 2 ± 0.5h; Hydraulic fluid half fine content≤18g/l;
(3) squeezing: in network chain formula squeezer, carry out squeezing multiple 3.0-3.5;
(4) experienced: as in experienced drum, to carry out; Experienced temperature: 40-60 ℃; Ageing time 35-60min;
Material amount: 60-80%
Full-page proof first fibre: 30.5 ± 0.5%
Full-page proof contains alkali: 16.5 ± 0.5%
(5) cooling: be cooled to 30-35 ℃;
(6) yellow: in xanthating machine, carry out; Add CS
2Yellow;
Concentration: addition is decided on technology
Carbon ratio: 34-35%
Vacuum :≤-0.08Mpa
Yellow initial temperature: 19-20 ℃;
Yellow is temperature eventually: 27-28 ℃
The yellow time: 90-120min;
(7) back dissolving: in blender, carry out; Lytic agent is a dilute solution of sodium hydroxide;
Dissolution time: 2h; Warm eventually: 19-20 ℃;
Dissolving glue leading indicator: first fibre: 8.80-9.20%
Contain alkali: 5.4-6.0%
Viscosity: 36-48Pas
Net value: 〉=80ml;
(8) mix: in the viscose glue tempering tank, carry out;
The leading indicator of epoxy glue: first fibre: 8.80-9.00%
Contain alkali: 5.4-5.8%
Viscosity: 34-38Pas
Degree of ripeness: 4.2-4.5ml (20%NH
4Cl)
Net value: 〉=100ml;
(9) filter: first filtration machine IF: polypropylene fibre felt filter pressure≤0.4Mpa
Two road filter IIF: single-side pile+Polypropylene filter pressure≤0.4Mpa
(10) maturation: in viscose ripening tank, carry out; The maturation condition is room temperature: 20-22 ℃, time: 8-10h;
(11) deaeration: in the continuous deaerator of viscose glue, carry out vacuum :≤-0.098Mpa, liquid value :≤80%;
(12) filter: KK filter IIIF: single-side pile+Polypropylene filter pressure≤0.6Mpa;
(13) spinning: in the viscose short-thread spinning machine, carry out, by metering, spray silk, solidify continuous process and finish;
Acid bath is formed: H
2SO
4: 125-128g/l
ZnSO
4：10-11g/l
Na
2SO
4：330-340g/l
Bathe temperature: 50 ± 1 ℃;
Mouth gold: decide on spinning specification
Total draft: 2.10-2.20 doubly
Spin speed: decide on output;
(14) boundling drawing-off: in the boundling drawing machine, carry out;
The boundling draw conditions is: I boundling temperature: 〉=85 ℃
II boundling temperature: 〉=98 ℃
Two baths contain acid: 8-13g/l;
(15) post processing: post processing include washing, concise, oil, cut-out, desulfurization;
One washing: normal temperature
Two washings: 50-55 ℃
Three washings: 50-55 ℃
Desulfurization bath temperature: 70-75 ℃
Desulfurization bath concentration: 7.0-8.0g/l
Hydrogen peroxide concentration: 0.10-0.18%
Last oil concentration: 4-6g/l
The high pressure padding machine is moisture: 45-55%;
(16) cylinder, oven dry: in rotary screen drier, carry out;
One district's temperature :≤120 ℃
Two district's temperature :≤110 ℃
Three district's temperature :≤110 ℃
Four district's temperature :≤100 ℃;
(17) packing: Bao Chong: 150-180kg.
Softener emulsion of the present invention is selected from any in organosilicon, polyurethane, the amino-modified silicone oil.
The invention has the beneficial effects as follows that raw material resources are abundant, production cost is low, and fiber quality is good, and mechanical strength is higher, sucting wet air permeability good, antibacterial mildew-resistant, soft smooth, characteristic such as drapability is good, can be used for doing textile raw material etc.Also can be used for making coin paper.
Concrete embodiment
Embodiment 1:
Get 5 tons of benne stalks, operate, can produce the finished product of the full bar viscose staple fibre of flax by described processing step of the technical scheme in the foregoing invention content part and process conditions.
Claims (2)
1, utilize benne stalk to prepare the method for viscose staple fibre, it is characterized in that it includes preparation benne stalk viscose glue pulp and prepares viscose staple fibre two with this pulp to go on foot greatly that its concrete technology is as follows:
One, the technology of preparation benne stalk viscose glue pulp:
(1) get the raw materials ready: raw material is a benne stalk, goes the root tip, removal of impurities, cuts into 20～40mm, pound with machinery and split, and removal of impurities then, washing is soaked;
(2) come unstuck:
A. acidleach: process conditions are: sulfuric acid concentration is 3～4%, bath raio 1: 8, and temperature 25-28 ℃, time 18-26h washes standby;
B. alkaline boiling: in boiling vessel, carry out;
Process conditions: primary alkali charge: 4.5-7g/l, bath raio 1: 10, anthraquinone consumption 0.1-0.25%, treatment temperature 95-100 ℃, time 1～1.5h, 70～80 ℃ of washing temperature;
Secondary alkali charge: 7-9g/l, bath raio 1: 5～6, anthraquinone consumption 0.1～0.3%, Na
2SO
3Consumption 19.5～23%, treatment temperature 95-100 ℃, time 1h; 70～80 ℃ of washing temperature; Sulphidity: 18～22%, temperature retention time is: 6-7h; 165～168 ℃ of holding temperatures;
Material is washed in batch turning after the boiling, 75 ℃ water washing;
(3) making beating:
Process conditions: beating time 50-60min, beating degree 〉=32 ° SR, humidity 18g;
(4) refining:
Technological process: float that preceding preliminary treatment, alkali treatment, clorox are floated, alkali treatment, clorox float;
The process for refining condition is shown in the following table:
(5) dechlorination: remove residual chlorine with sodium thiosulfate;
(6) acid treatment: with acid amount 2-3%, normal temperature 60 min;
End product quality: alpha cellulose: 90.0%
Cuprammonium viscosity: 15.5CP
Ash content: 0.12%
Iron-holder: 18-20mg/kg;
(7) the softening processing: add the softener emulsion and handle;
Two, the technology of the viscose glue pulp production viscose staple fibre of usefulness benne stalk raw material production is as follows:
(1) feeds the dregs of rice: in feeding dregs of rice machine, carry out, by output folding speed;
(2) dipping; In treating tank, carry out dipping concentration 23 ± 1g/l; Alkali concn: 240g/l; 54 ± 1 ℃ of dipping temperatures;
Dip time 2 ± 0.5h; Hydraulic fluid half fine content≤18g/l;
(3) squeezing: in network chain formula squeezer, carry out squeezing multiple 3.0-3.5;
(4) experienced: as in experienced drum, to carry out; Experienced temperature: 40-60 ℃; Ageing time 35-60min;
Material amount: 60-80%
Full-page proof first fibre: 30.5 ± 0.5%
Full-page proof contains alkali: 16.5 ± 0.5%
(5) cooling: be cooled to 30-35 ℃;
(6) yellow: in xanthating machine, carry out; Add CS
2Yellow;
Concentration: addition is decided on technology
Carbon ratio: 34-35%
Vacuum :≤-0.08Mpa
Yellow initial temperature: 19-20 ℃;
Yellow is temperature eventually: 27-28 ℃
The yellow time: 90-120min;
(7) back dissolving: in blender, carry out; Lytic agent is a dilute solution of sodium hydroxide;
Dissolution time: 2h; Warm eventually: 19-20 ℃;
Dissolving glue leading indicator: first fibre: 8.80-9.20%
Contain alkali: 5.4-6.0%
Viscosity: 36-48Pas
Net value: 〉=80ml;
(8) mix: in the viscose glue tempering tank, carry out;
The leading indicator of epoxy glue: first fibre: 8.80-9.00%
Contain alkali: 5.4-5.8%
Viscosity: 34-38Pas
Degree of ripeness: 4.2-4.5ml (20%NH
4Cl)
Net value: 〉=100ml;
(9) filter: first filtration machine IF: polypropylene fibre felt filter pressure≤0.4Mpa
Two road filter IIF: single-side pile+Polypropylene filter pressure≤0.4Mpa
(10) maturation: in viscose ripening tank, carry out; The maturation condition is room temperature: 20-22 ℃, time: 8-10h;
(11) deaeration: in the continuous deaerator of viscose glue, carry out vacuum :≤-0.098Mpa, liquid value :≤80%;
(12) filter: KK filter IIIF: single-side pile+Polypropylene filter pressure≤0.6Mpa;
(13) spinning: in the viscose short-thread spinning machine, carry out, by metering, spray silk, solidify continuous process and finish;
Acid bath is formed: H
2SO
4: 125-128g/l
ZnSO
4：10-11g/l
Na
2SO
4：330-340g/l
Bathe temperature: 50 ± 1 ℃;
Mouth gold: decide on spinning specification
Total draft: 2.10-2.20 doubly
Spin speed: decide on output;
(14) boundling drawing-off: in the boundling drawing machine, carry out;
The boundling draw conditions is: I boundling temperature: 〉=85 ℃
II boundling temperature: 〉=98 ℃
Two baths contain acid: 8-13g/l;
(15) post processing: post processing include washing, concise, oil, cut-out, desulfurization;
One washing: normal temperature
Two washings: 50-55 ℃
Three washings: 50-55 ℃
Desulfurization bath temperature: 70-75 ℃
Desulfurization bath concentration: 7.0-8.0g/l
Hydrogen peroxide concentration: 0.10-0.18%
Last oil concentration: 4-6g/l
The high pressure padding machine is moisture: 45-55%;
(16) cylinder, oven dry: in rotary screen drier, carry out;
One district's temperature :≤120 ℃
Two district's temperature :≤110 ℃
Three district's temperature :≤110 ℃
Four district's temperature :≤100 ℃;
(17) packing: Bao Chong: 150-180kg.
2, the method for utilizing benne stalk to prepare viscose staple fibre according to claim 1 is characterized in that described softener emulsion is selected from any in organosilicon, polyurethane, the amino-modified silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048101 CN101016653A (en) | 2006-08-02 | 2006-08-02 | Method of preparing rayon staple by benne stalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048101 CN101016653A (en) | 2006-08-02 | 2006-08-02 | Method of preparing rayon staple by benne stalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101016653A true CN101016653A (en) | 2007-08-15 |
Family
ID=38725873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610048101 Pending CN101016653A (en) | 2006-08-02 | 2006-08-02 | Method of preparing rayon staple by benne stalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101016653A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517968A (en) * | 2011-12-20 | 2012-06-27 | 山东海龙股份有限公司 | Method for preparing dissolving pulp for viscose fibers by using mulberry twig stem cores |
| CN102851748A (en) * | 2011-06-28 | 2013-01-02 | 陈友余 | Straw textile fiber technology |
| CN104963026A (en) * | 2015-07-24 | 2015-10-07 | 湖北蕲艾堂科技有限公司 | Preparation method of wormwood-stem-based viscose rayon fiber |
| CN106521714A (en) * | 2016-09-27 | 2017-03-22 | 济南米铎碳新能源科技有限公司 | Method for preparing carbon fibers by crop straws |
| CN107761177A (en) * | 2016-08-23 | 2018-03-06 | 吉林化纤股份有限公司 | A kind of semicontinuous spinning cake, the method and semi-continuous spinning machine for producing the spinning cake |
| CN109913966A (en) * | 2019-01-24 | 2019-06-21 | 盐城锦阳新材料科技有限公司 | It is a kind of to prepare the filametntary method of high-strength artificial using plant cellulose |
| CN110616584A (en) * | 2019-07-05 | 2019-12-27 | 新疆塔里木农业综合开发股份有限公司 | Feasibility research method for bamboo willow raw material used for preparing dissolving pulp and viscose spinning |
| CN116602820A (en) * | 2023-05-23 | 2023-08-18 | 江苏宝姿实业有限公司 | Soft and breathable adult nursing pad and preparation process thereof |
| CN116815383A (en) * | 2023-06-21 | 2023-09-29 | 广东启悦未来科技股份有限公司 | Stiff and smooth suspended soft fabric and preparation method thereof |
-
2006
- 2006-08-02 CN CN 200610048101 patent/CN101016653A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851748A (en) * | 2011-06-28 | 2013-01-02 | 陈友余 | Straw textile fiber technology |
| CN102517968A (en) * | 2011-12-20 | 2012-06-27 | 山东海龙股份有限公司 | Method for preparing dissolving pulp for viscose fibers by using mulberry twig stem cores |
| CN102517968B (en) * | 2011-12-20 | 2014-01-15 | 恒天海龙股份有限公司 | Method for preparing dissolving pulp for viscose fibers by using mulberry twig stem cores |
| CN104963026A (en) * | 2015-07-24 | 2015-10-07 | 湖北蕲艾堂科技有限公司 | Preparation method of wormwood-stem-based viscose rayon fiber |
| CN107761177B (en) * | 2016-08-23 | 2024-04-23 | 吉林化纤股份有限公司 | Semicontinuous spinning cake, method for producing same and semicontinuous spinning machine |
| CN107761177A (en) * | 2016-08-23 | 2018-03-06 | 吉林化纤股份有限公司 | A kind of semicontinuous spinning cake, the method and semi-continuous spinning machine for producing the spinning cake |
| CN106521714B (en) * | 2016-09-27 | 2018-09-14 | 济南米铎碳新能源科技有限公司 | The method that carbon fiber is prepared using crop material |
| CN106521714A (en) * | 2016-09-27 | 2017-03-22 | 济南米铎碳新能源科技有限公司 | Method for preparing carbon fibers by crop straws |
| CN109913966A (en) * | 2019-01-24 | 2019-06-21 | 盐城锦阳新材料科技有限公司 | It is a kind of to prepare the filametntary method of high-strength artificial using plant cellulose |
| CN109913966B (en) * | 2019-01-24 | 2022-02-22 | 盐城锦阳新材料科技有限公司 | Method for preparing high-strength artificial fiber filaments by using plant cellulose |
| CN110616584A (en) * | 2019-07-05 | 2019-12-27 | 新疆塔里木农业综合开发股份有限公司 | Feasibility research method for bamboo willow raw material used for preparing dissolving pulp and viscose spinning |
| CN116602820A (en) * | 2023-05-23 | 2023-08-18 | 江苏宝姿实业有限公司 | Soft and breathable adult nursing pad and preparation process thereof |
| CN116602820B (en) * | 2023-05-23 | 2023-10-13 | 江苏宝姿实业有限公司 | Soft and breathable adult nursing pad and preparation process thereof |
| CN116815383A (en) * | 2023-06-21 | 2023-09-29 | 广东启悦未来科技股份有限公司 | Stiff and smooth suspended soft fabric and preparation method thereof |
| CN116815383B (en) * | 2023-06-21 | 2024-01-02 | 广东启悦未来科技股份有限公司 | Stiff and smooth suspended soft fabric and preparation method thereof |
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