CN103255621A - Kapok fiber pretreatment auxiliary agent and kapok fiber pretreatment method - Google Patents
Kapok fiber pretreatment auxiliary agent and kapok fiber pretreatment method Download PDFInfo
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- CN103255621A CN103255621A CN2012102307636A CN201210230763A CN103255621A CN 103255621 A CN103255621 A CN 103255621A CN 2012102307636 A CN2012102307636 A CN 2012102307636A CN 201210230763 A CN201210230763 A CN 201210230763A CN 103255621 A CN103255621 A CN 103255621A
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- auxiliary agent
- bombax cotton
- kapok fiber
- preliminary treatment
- fiber pretreatment
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Abstract
The invention discloses a kapok fiber pretreatment auxiliary agent and a kapok fiber pretreatment method. The kapok fiber pretreatment auxiliary agent comprises the following ingredients by weight: 2-8 parts of PEG 2000-8000; 5-15 parts of cross-linking agent; 1-5 parts of castor oil; 5-10 parts of cation polyacrylamide; 5-10 parts of antistatic agent; 50-80 parts of water. The kapok fiber pretreatment auxiliary agent is sprinkled on the kapok fiber, and is placed at room temperature for 6-24 hours, and the kapok fiber pretreatment method is completed. After the kapok fiber pretreatment is carried out by the kapok fiber pretreatment auxiliary agent of the present invention, the strip weight unevenness decreases by 18-25%, the hairiness index decreases by 55-65%, the single thread strength increased by 20-25%, the spun yarn twisting efficiency increases by 10-15%, and the roll banding case obviously improves.
Description
Technical field
The present invention relates to the preprocess method of a kind of fiber preliminary treatment auxiliary agent and fiber, relate in particular to the preprocess method of a kind of bombax cotton preliminary treatment auxiliary agent and bombax cotton.
Background technology
Bombax cotton is the fiber material the thinnest, the lightest in the natural ecological fiber, that degree of hollowness is high, the most warming.Have bright and clean, antibiotic, mothproof, mildew-resistant, softly, not easy entanglement, waterproof, not heat conduction, ecology, warming, characteristics such as hygroscopicity is strong, can be extensive use of fields such as knitted underwear, sweater, woolen sweater, woven leisure coat, bed necessaries, hosiery.
The fineness of bombax cotton only has 1/2 of cotton fiber, and hollow rate but reaches more than 86%, is 2-3 times of general cotton fiber.Bombax cotton length 8-34mm, fiber stage casing diameter 18-45 μ m, average 30-36 μ m, wall thickness 0.5-2 μ m, fibre fineness is 0.9-3.2dtex, filament density only is 0.29g/cm
3, be cotton 1/5.Bombax cotton contains the cellulose that accounts for about 64%, accounts for 13% lignin, contains 8.6% moisture, the ash content of 1.4-3.5%, water-soluble substances and the xylan of 2.3-2.5% and 0.8% the wax of 4.7-9.7% in addition.
Because bombax cotton length is short, intensity is low, cohesive force is relatively poor, be difficult to independent spinning with spinning method cotton or hair, so many production firms adopt and cotton, viscose glue or other cellulose fibre blending.In spinning process, cotton wax through 100 ℃ of high-temperature process the time in the bombax cotton can dissolve and fiber adhesion and roll banding phenomenon occur, could continue after roll must being cleaned out to produce, therefore increase working strength of workers, prolonged the production time and influenced spinning effect.
Patent No. ZL200610078141.0 discloses a kind of auxiliary agent, through bombax cotton and the processing method thereof of this auxiliary agent processing, and manufacture method and the application of this bombax cotton in spinning, textiles.Described auxiliary agent is made of 30-55 part acrylate, 30-50 part starch, 15-25 part polyvinyl alcohol and 150-600 part water.The bombax cotton pre-treating method is: each component of above-mentioned auxiliary agent is mixed, mixed liquor is heated to 60-80 ℃, the bombax cotton that adds 30-35 times of weight of mixed liquor, mix, in the batch mixing room with 80 ℃ steam, bombax cotton is carried out semidefinite form handled 10-20 minute, make the auxiliary agent mixed liquor be sprayed at bombax cotton surface and dry uniformly, spin then.Yet, be easy to generate adhesion in the environment that the bombax cotton through obtaining after the above-mentioned processing is big in humidity, temperature is higher, thereby have influence on carrying out smoothly of spinning.
Number of patent application 201110121173.5 discloses a kind of bombax cotton preprocess method, comprise the steps: auxiliary agent is sprayed on the raw material bombax cotton, placing humidity then is that 55-60%, temperature are 25-32 ℃ environment, balance 20-26 hour, spins then.Auxiliary agent is made up of in component following weight portion: water 70-80 part, silicone oil 2-6 part and crude oil 20-25 part.Though above-mentioned patented technology is improved its spinning performance, has reduced labour intensity, and unresolved kapok cotton wax roll banding phenomenon.
Summary of the invention
For solving the prior art above shortcomings, one of technical problem to be solved by this invention provides a kind of bombax cotton preliminary treatment auxiliary agent.
Two of technical problem to be solved by this invention provides a kind of preprocess method of bombax cotton, and the cotton wax that has solved the prior art existence is met high-temperature digestion roll banding problem and further simplified the bombax cotton pretreatment process.
Concrete, the present invention is implemented by following technical proposals:
A kind of bombax cotton preliminary treatment auxiliary agent, formed by weight by following component:
Preferably,
A kind of bombax cotton preliminary treatment auxiliary agent, formed by weight by following component:
Preferably,
Described crosslinking agent is crosslinking agent EH.
Described antistatic additive is octadecyl dimethyl ethoxy quaternary ammonium nitrate.
Bombax cotton preliminary treatment auxiliary agent of the present invention can adopt industry common method to be prepared from, for example can adopt following method: add water earlier, add PEG2000-8000, crosslinking agent, castor oil, cationic polyacrylamide and antistatic additive then successively, stir, can make bombax cotton preliminary treatment auxiliary agent of the present invention.Concrete, mixing time can be controlled at 30-45 minute, and rotating speed can be controlled at 70-80rpm, and preparation at room temperature gets final product.
Concrete, in the present invention:
PEG2000-8000: refer to that molecular weight is the polyethylene glycol of 2000-8000, macromolecule polyethylene glycol has good water-solubility, and with many organic matter components good compatibility is arranged.Have excellent lubrication, humidity-preserving type, dispersiveness, bonding agent, antistatic behaviour etc., can make fiber surface glossy and level and smooth, thereby improve spinning efficiency.Specifically can adopt commercially available PEG2000, PEG4000, PEG6000 or PEG8000 among the present invention.
Crosslinking agent EH: crosslinking agent EH is the epoxide crosslinking agent, mainly is used in the macromolecular material.Because the molecular structure of macromolecular material resembles the long line of a rule, do not have when crosslinked intensity low, easily break, and do not have elasticity, the effect of crosslinking agent is exactly to produce chemical bond between the molecule of line style, and linear molecule is connected with each other, form network structure, improve intensity and the elasticity of fiber like this.
The chemical structural formula of described crosslinking agent EH is:
Castor oil: be the glyceryl ester of aliphatic acid, the general grease of ratio of viscosities is high a lot, and relative density and acetyl value are all greater than general grease, and oxidative rancidity takes place in air castor oil hardly, and storage stability is good, is typical non-drying liquid oils.The dielectric constant of castor oil is about 4.30, is the highest in the common grease, and dielectric constant is more big, and is more strong to the constraint ability of electric charge.Therefore castor oil is first-selected lubricant and protective agent and emulsifying agent.
Cationic polyacrylamide (be called for short CPAM): this product is by cationic monomer (DM, DMC, CPF, DMDAAC or DMAEMA etc.) and acrylamide copolymerization, the white granule or the powder that form through granulation, drying, pulverizing.Being the electrolytical characteristic of high polymer, being high molecular weight water soluble polymer, can be dissolved in water with any ratio, and be insoluble to most of organic solvents, have good flocculability, can reduce the frictional resistance between the liquid, is the adhesive of fiber and additive.Refer to preferably among the present invention that molecular weight is the cationic polyacrylamide of 400-1000 ten thousand, further preferred, molecular weight is 6,000,000-1,000 ten thousand cationic polyacrylamide.
Octadecyl dimethyl ethoxy quaternary ammonium nitrate: owing in the process of spinning, can produce a large amount of static, and octadecyl dimethyl ethoxy quaternary ammonium nitrate is surfactant, form the antistatic additive molecular layer at fiber surface during use, the lipophile group of its molecule is in resin inside, hydrophilic radical then at air one side-draw to arrangement, the former makes octadecyl dimethyl ethoxy quaternary ammonium nitrate and fiber keep certain compatibility, and the hydrone in latter's absorbed air reaches antistatic effect at the conducting solution conduction surfaces electric charge that fiber surface forms the even issue of one deck.
Further, the present invention also provides a kind of preprocess method of bombax cotton, is made up of following step: bombax cotton preliminary treatment auxiliary agent is sprayed on the bombax cotton, at room temperature placed 6-24 hour, namely finish preliminary treatment.
Preferably, described bombax cotton preliminary treatment auxiliary agent adding consumption is the heavy 3-6% of bombax cotton.
Adopt blending technology well known in the art to spin above-mentioned pretreated bombax cotton and cotton fiber.After using the auxiliary agent of above-mentioned formulated to carry out preliminary treatment, bar heavy irregular decline 18-25%, fibrous index decline 55-65%, single thread force rising 20-25%, Yarn twisting efficient improve 10-15%, the roll banding situation is obviously improved.
The specific embodiment
Embodiment 1
Take by weighing successively according to corresponding embodiment 1 each raw material components of table 1.
Collocation method: in stirred tank, add water earlier, add polyethylene glycol PEG, crosslinking agent EH, castor oil, cationic polyacrylamide and octadecyl dimethyl ethoxy quaternary ammonium nitrate then successively, stir, make bombax cotton preliminary treatment auxiliary agent.Mixing time: 40 minutes, rotating speed: 70rpm, temperature: room temperature.
Embodiment 2
Take by weighing successively according to corresponding embodiment 2 each raw material components of table 1.Adopt embodiment 1 described method to prepare bombax cotton preliminary treatment auxiliary agent.
Embodiment 3
Take by weighing successively according to corresponding embodiment 3 each raw material components of table 1.Adopt embodiment 1 described method to prepare bombax cotton preliminary treatment auxiliary agent.
Table 1: bombax cotton preliminary treatment auxiliary formula list position: kilogram
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| PEG8000 | 2 | 8 | 4 |
| Crosslinking agent EH | 15 | 5 | 10 |
| Castor oil | 1 | 5 | 2 |
| Molecular weight is 8,000,000 cationic polyacrylamide | 10 | 5 | 8 |
| Octadecyl dimethyl ethoxy quaternary ammonium nitrate | 5 | 10 | 8 |
| Water | 80 | 50 | 68 |
The concrete source of each raw material is:
PEG8000: Hai'an, Jiangsu petrochemical plant;
Crosslinking agent EH: Shanghai Tiantan Accessory Ingredient Co., Ltd;
Castor oil: the prosperous sharp source of Changzhou grease Co., Ltd;
Cationic polyacrylamide (CPAM, molecular weight 8,000,000): Shanghai Hengyi Chemicals Co., Ltd.;
Octadecyl dimethyl ethoxy quaternary ammonium nitrate: Shanghai Tiantan Accessory Ingredient Co., Ltd.
Embodiment 4:
The bombax cotton preliminary treatment auxiliary agent of embodiment 3 preparation evenly is sprayed on the raw material bombax cotton, the consumption of auxiliary agent be bombax cotton heavy 3%, with plastic sheeting it is covered again, at room temperature placed 12 hours, both finished preliminary treatment.
Bombax cotton and cotton fiber that above-mentioned preliminary treatment is intact adopt blending technology well known in the art to spin, wherein cotton fiber weight is 40%, bombax cotton weight is 60%, obviously improved the problem that the bombax cotton cotton wax dissolves in high temperature, improve spinning performance, spinning efficiency, reduced labour intensity.
Concrete test data is as follows:
1, the thick yarn evenness tester of the yarn unevenness decline 20%(Y311 of Laizhou Electron Instrument Co., Ltd. type bar);
2, yam surface fibrous index decline 58%(Changzhou weaving metrical instrument YG171L of Co., Ltd type yarn filoplume tester);
3, the grand HD021E electronics in single thread force rising 21%(Nanjing single yarn tester);
4, the spun yarn elongation at break improves 48%(Nanjing grand HD021E electronics single yarn tester);
5, roll banding situation: roll banding (range estimation) not substantially.
Embodiment 5:
The bombax cotton preliminary treatment auxiliary agent of embodiment 3 preparation evenly is sprayed on the raw material bombax cotton, auxiliary dosage be bombax cotton heavy 4%, with plastic sheeting it is covered, at room temperature placed 12 hours, both finished preliminary treatment.
Bombax cotton and cotton fiber that above-mentioned preliminary treatment is intact adopt blending technology well known in the art to spin, wherein cotton fiber weight is 40%, bombax cotton weight is 60%, obviously improved the problem that the bombax cotton cotton wax dissolves in high temperature, improve spinning performance, spinning efficiency, reduced labour intensity.
Concrete test data is as follows:
1, the thick yarn evenness tester of the yarn unevenness decline 25%(Y311 of Laizhou Electron Instrument Co., Ltd. type bar);
2, yam surface fibrous index decline 63%(Changzhou weaving metrical instrument YG171L of Co., Ltd type yarn filoplume tester);
3, the grand HD021E electronics in single thread force rising 25%(Nanjing single yarn tester);
4, the spun yarn elongation at break improves 55%(Nanjing grand HD021E electronics single yarn tester);
5, roll banding situation: roll banding (range estimation) not.
Embodiment 6:
The bombax cotton preliminary treatment auxiliary agent of embodiment 3 preparation evenly is sprayed on the raw material bombax cotton, auxiliary dosage be bombax cotton heavy 6%, with plastic sheeting it is covered, at room temperature placed 12 hours, both finished preliminary treatment.
Bombax cotton and cotton fiber that above-mentioned preliminary treatment is intact adopt blending technology well known in the art to spin, wherein cotton fiber weight is 40%, bombax cotton weight is 60%, obviously improved the problem that the bombax cotton cotton wax dissolves in high temperature, improve spinning performance, spinning efficiency, reduced labour intensity.
Concrete test data is as follows:
1, the thick yarn evenness tester of the yarn unevenness decline 25%(Y311 of Laizhou Electron Instrument Co., Ltd. type bar);
2, yam surface fibrous index decline 62%(Changzhou weaving metrical instrument YG171L of Co., Ltd type yarn filoplume tester);
3, the grand HD021E electronics in single thread force rising 25%(Nanjing single yarn tester);
4, the spun yarn elongation at break improves 54%(Nanjing grand HD021E electronics single yarn tester);
5, roll banding situation: roll banding (range estimation) not.
Table 2: key property test data table
Table 3: yam surface fibrous index test data table
Described traditional handicraft refers to bombax cotton is not added bombax cotton preliminary treatment auxiliary agent, does not carry out preliminary treatment, but directly adopts blending technology well known in the art to spin bombax cotton and cotton fiber.
Undoubtedly, the present invention can also have multiple conversion and remodeling, is not limited to the specific embodiment of above-mentioned embodiment.In a word, protection scope of the present invention should comprise those apparent conversion or alternative and remodeling to those skilled in the art.
Claims (7)
1. a bombax cotton preliminary treatment auxiliary agent is characterized in that, is made up of following component: PEG2000-8000, crosslinking agent, castor oil, cationic polyacrylamide, antistatic additive and water.
2. bombax cotton preliminary treatment auxiliary agent as claimed in claim 1 is characterized in that, is made up of by weight following component:
3. bombax cotton preliminary treatment auxiliary agent as claimed in claim 2 is characterized in that, is made up of by weight following component:
4. as each described bombax cotton preliminary treatment auxiliary agent among the claim 1-3, it is characterized in that: described crosslinking agent is crosslinking agent EH.
5. as each described bombax cotton preliminary treatment auxiliary agent among the claim 1-3, it is characterized in that: described antistatic additive is octadecyl dimethyl ethoxy quaternary ammonium nitrate.
6. the preprocess method of a bombax cotton is characterized in that, is made up of following step: each described bombax cotton preliminary treatment auxiliary agent among the claim 1-5 is sprayed on the bombax cotton, at room temperature placed 6-24 hour.
7. the preprocess method of bombax cotton as claimed in claim 6 is characterized in that: it is the heavy 3-6% of bombax cotton that described bombax cotton preliminary treatment auxiliary agent adds consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210230763.6A CN103255621B (en) | 2012-07-04 | 2012-07-04 | Kapok fiber pretreatment auxiliary agent and kapok fiber pretreatment method |
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| CN201210230763.6A CN103255621B (en) | 2012-07-04 | 2012-07-04 | Kapok fiber pretreatment auxiliary agent and kapok fiber pretreatment method |
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| CN103255621A true CN103255621A (en) | 2013-08-21 |
| CN103255621B CN103255621B (en) | 2015-02-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404762A (en) * | 2014-11-06 | 2015-03-11 | 赵正兴 | Kapok fiber processing technology |
| CN107641871A (en) * | 2017-11-07 | 2018-01-30 | 张伟夫 | Antibacterial kapok composite fibre, antibacterial filling flocculus, antibacterial kapok yarn and fabric |
| CN107653534A (en) * | 2017-08-29 | 2018-02-02 | 张伟夫 | A kind of antibacterial covering yarn, antibiotic facing material and antibacterial socks |
| CN111877015A (en) * | 2020-07-16 | 2020-11-03 | 深圳市顶尚纺织股份有限公司 | Super heavy-twist double-strand yarn spinning process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1990947A (en) * | 2005-12-31 | 2007-07-04 | 戴建荣 | Preparation method and application of ceiba fiber in non-weave non-woven fabrics field |
| CN102182065A (en) * | 2011-05-12 | 2011-09-14 | 上海荷叶纺织有限公司 | Kapok fiber pre-treating method |
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2012
- 2012-07-04 CN CN201210230763.6A patent/CN103255621B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990947A (en) * | 2005-12-31 | 2007-07-04 | 戴建荣 | Preparation method and application of ceiba fiber in non-weave non-woven fabrics field |
| CN102182065A (en) * | 2011-05-12 | 2011-09-14 | 上海荷叶纺织有限公司 | Kapok fiber pre-treating method |
Non-Patent Citations (1)
| Title |
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| 韩玲: "木棉纤维性能及其在纺织中应用的建议", 《棉纺织技术》, vol. 38, no. 7, 31 July 2010 (2010-07-31), pages 61 - 64 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404762A (en) * | 2014-11-06 | 2015-03-11 | 赵正兴 | Kapok fiber processing technology |
| CN104404762B (en) * | 2014-11-06 | 2015-10-14 | 赵正兴 | A kind of bombax cotton treatment process |
| CN107653534A (en) * | 2017-08-29 | 2018-02-02 | 张伟夫 | A kind of antibacterial covering yarn, antibiotic facing material and antibacterial socks |
| CN107641871A (en) * | 2017-11-07 | 2018-01-30 | 张伟夫 | Antibacterial kapok composite fibre, antibacterial filling flocculus, antibacterial kapok yarn and fabric |
| CN111877015A (en) * | 2020-07-16 | 2020-11-03 | 深圳市顶尚纺织股份有限公司 | Super heavy-twist double-strand yarn spinning process |
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| CN103255621B (en) | 2015-02-25 |
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