CN103255621B - 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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- CN103255621B CN103255621B CN201210230763.6A CN201210230763A CN103255621B CN 103255621 B CN103255621 B CN 103255621B CN 201210230763 A CN201210230763 A CN 201210230763A CN 103255621 B CN103255621 B CN 103255621B
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- kapok fiber
- auxiliary agent
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- bombax cotton
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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 pretreatment auxiliary agent and fiber, particularly relate to the preprocess method of a kind of kapok fiber pretreatment auxiliary agent and bombax cotton.
Background technology
Bombax cotton be in natural ecological fiber the most carefully, the Fiber Materials that the lightest, degree of hollowness is high, the most warming.Have bright and clean, antibacterial, mothproof, mildew-resistant, softly, not easy entanglement, waterproof, not heat conduction, ecology, the feature such as warming, hygroscopicity is strong, the fields such as knitted underwear, sweater, woolen sweater, woven leisure coat, bed necessaries, hosiery can be widely used.
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 μm, average 30-36 μm, wall thickness 0.5-2 μm, fibre fineness is 0.9-3.2dtex, and filament density is only 0.29g/cm
3, be cotton 1/5.Bombax cotton contains the cellulose accounting for about 64%, accounts for the lignin of 13%, contains the moisture of 8.6%, the ash content of 1.4-3.5%, the water-soluble substances of 4.7-9.7% and the xylan of 2.3-2.5% and the wax of 0.8% in addition.
Because bombax cotton length is shorter, intensity is low, cohesive force is poor, be difficult to independent spinning with spinning method that is cotton or hair, so many production firms adopt and cotton, viscose glue or other cellulosic fibre blend.In spinning process, can dissolve at the cotton wax in 100 DEG C of high-temperature process bombax cottons and occur fiber adhesion and roll banding phenomenon, could continue after roll must being cleaned out produce, because of this increase workman labour intensity, extend the production time and affect spinning effect.
Patent No. ZL200610078141.0 discloses a kind of auxiliary agent, and through bombax cotton and the processing method thereof of this auxiliary agent process, and this bombax cotton is in spinning, manufacture method in textiles and application.Described auxiliary agent is made up of 30-55 part acrylate, 30-50 part starch, 15-25 part polyvinyl alcohol and 150-600 part water.Bombax cotton pre-treating method is: by each component mixing of above-mentioned auxiliary agent, mixed liquor is heated to 60-80 DEG C, add the bombax cotton of mixed liquor 30-35 times weight, mix, with the steam of 80 DEG C in batch mixing room, semidefinite form process 10-20 minute is carried out to bombax cotton, makes auxiliary agent mixed liquor be sprayed at bombax cotton uniformly surperficial and dry, then spin.But, easily produce adhesion in the environment that the bombax cotton obtained after above-mentioned process is comparatively large in humidity, temperature is higher, thus have influence on carrying out smoothly of spinning.
Number of patent application 201110121173.5 discloses a kind of kapok fiber pre-treating method, comprise the steps: auxiliary agent to be sprayed on raw material bombax cotton, then be placed in the environment that humidity is 55-60%, temperature is 25-32 DEG C, balance 20-26 hour, then spins.Auxiliary agent is made up of in component following weight portion: water 70-80 part, silicone oil 2-6 part, wool lubricant 20-25 part.Although above-mentioned patented technology improves its spinning performance, reduce labour intensity, and unresolved kapok cotton wax roll banding phenomenon.
Summary of the invention
For solving prior art above shortcomings, one of technical problem to be solved by this invention is to provide a kind of kapok fiber pretreatment auxiliary agent.
Two of technical problem to be solved by this invention is to provide a kind of preprocess method of bombax cotton, and the cotton wax solving prior art existence is met high-temperature digestion roll banding problem and simplifies bombax cotton pretreatment process further.
Concrete, the present invention is implemented by following technical proposals:
A kind of kapok fiber pretreatment auxiliary agent, is made up of by weight following component:
Preferably,
A kind of kapok fiber pretreatment auxiliary agent, is made up of by weight following component:
Preferably,
Described crosslinking agent is crosslinking agent EH.
Described antistatic additive is octadecyldimethyl ethoxy quaternary ammonium nitrate.
Kapok fiber pretreatment auxiliary agent of the present invention can adopt industry common method to be prepared from, such as can adopt following method: first add water, then PEG2000-8000, crosslinking agent, castor oil, cationic polyacrylamide and antistatic additive is added successively, stir, kapok fiber pretreatment auxiliary agent of the present invention can be obtained.Concrete, mixing time can control at 30-45 minute, and rotating speed can control at 70-80rpm, at room temperature prepares.
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-soluble, and has good compatibility with many organic matter components.There are excellent lubricity, humidity-preserving type, dispersiveness, bonding agent, antistatic behaviour etc., fiber surface can be made glossy and level and smooth, thus improve spinning efficiency.Specifically commercially available PEG2000, PEG4000, PEG6000 or PEG8000 can be adopted in the present invention.
Crosslinking agent EH: crosslinking agent EH is epoxide crosslinking agent, is mainly used in macromolecular material.Because the molecular structure of macromolecular material resembles the long line of a rule, time not crosslinked, intensity is low, easily breaks, and there is no elasticity, the effect of crosslinking agent is exactly 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: the glyceryl ester being 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 castor oil hardly oxidative rancidity occurs in atmosphere, and storage stability is good, are typical non-drying liquid oil.The dielectric constant of castor oil is about 4.30, and be the highest in common grease, dielectric constant is larger, stronger to the constraint ability of electric charge.Therefore castor oil is first-selected lubricant and protective agent and emulsifying agent.
Cationic polyacrylamide (being called for short CPAM): this product is by cationic monomer (DM, DMC, CPF, DMDAAC or DMAEMA etc.) and acrylamide copolymerization, through white particles or the powder of granulation, drying, pulverizing.The electrolytical characteristic in high polymer is high molecular weight water soluble polymer, can be dissolved in water, and be insoluble to most of organic solvent, have good flocculability, can reduce the frictional resistance between liquid with any ratio, is the adhesive of fiber and additive.Preferably refer in the present invention that molecular weight is the cationic polyacrylamide of 400-1000 ten thousand, further preferably, molecular weight is the cationic polyacrylamide of 6,000,000-1,000 ten thousand.
Octadecyldimethyl ethoxy quaternary ammonium nitrate: due to a large amount of electrostatic can be produced in the process of spinning, and octadecyldimethyl ethoxy quaternary ammonium nitrate system surfactant, antistatic additive molecular layer is formed at fiber surface during use, the lipophilic group of its molecule is inner in resin, hydrophilic radical is then in air side orientations, the former makes octadecyldimethyl ethoxy quaternary ammonium nitrate and fiber keep certain compatibility, hydrone in the latter's absorbed air forms at fiber surface the conducting solution conduction surfaces electric charge that one deck evenly issues and reaches antistatic effect.
Further, present invention also offers a kind of preprocess method of bombax cotton, be made up of following step: kapok fiber pretreatment auxiliary agent is sprayed on bombax cotton, at room temperature place 6-24 hour, namely complete preliminary treatment.
Preferably, described kapok fiber pretreatment auxiliary agent adds consumption is the 3-6% that bombax cotton is heavy.
Blending technology well known in the art is adopted 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 efficiency raising 10-15%, roll banding situation are obviously improved.
Detailed description of the invention
Embodiment 1
Take successively according to each raw material components of embodiment 1 corresponding to table 1.
Collocation method: first add water in stirred tank, then add polyethylene glycol PEG, crosslinking agent EH, castor oil, cationic polyacrylamide and octadecyldimethyl ethoxy quaternary ammonium nitrate successively, stir, obtained kapok fiber pretreatment auxiliary agent.Mixing time: 40 minutes, rotating speed: 70rpm, temperature: room temperature.
Embodiment 2
Take successively according to each raw material components of embodiment 2 corresponding to table 1.Method described in embodiment 1 is adopted to prepare kapok fiber pretreatment auxiliary agent.
Embodiment 3
Take successively according to each raw material components of embodiment 3 corresponding to table 1.Method described in embodiment 1 is adopted to prepare kapok fiber pretreatment auxiliary agent.
Table 1: kapok fiber pretreatment auxiliary agent formula table unit: 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 the cationic polyacrylamide of 8,000,000 | 10 | 5 | 8 |
| Octadecyldimethyl ethoxy quaternary ammonium nitrate | 5 | 10 | 8 |
| Water | 80 | 50 | 68 |
Each raw material is specifically originated and is:
PEG8000: Hai'an, Jiangsu petrochemical plant;
Crosslinking agent EH: Shanghai Tiantan Accessory Ingredient Co., Ltd;
Castor oil: Changzhou Xin Liyuan grease Co., Ltd;
Cationic polyacrylamide (CPAM, molecular weight 8,000,000): Shanghai Hengyi Chemicals Co., Ltd.;
Octadecyldimethyl ethoxy quaternary ammonium nitrate: Shanghai Tiantan Accessory Ingredient Co., Ltd.
Embodiment 4:
Kapok fiber pretreatment auxiliary agent embodiment 3 prepared evenly is sprayed on raw material bombax cotton, the consumption of auxiliary agent be bombax cotton heavy 3%, then to be covered with plastic sheeting, at room temperature place 12 hours, both completed preliminary treatment.
Blending technology well known in the art is adopted to spin bombax cotton complete for above-mentioned preliminary treatment and cotton fiber, wherein cotton fiber weight is 40%, bombax cotton weight is 60%, significantly improve the problem that bombax cotton cotton wax dissolves in high temperature, improve spinning performance, spinning efficiency, reduce labour intensity.
Concrete test data is as follows:
1, the thick yarn evenness tester of yarn unevenness decline 20%(Laizhou Electron Instrument Co., Ltd. Y311 type bar);
2, yam surface fibrous index decline 58%(Changzhou weaving metrical instrument Co., Ltd YG171L type yarn filoplume tester);
3, the grand HD021E electronics in single thread force rising 21%(Nanjing single yarn tester);
4, spun yarn elongation at break improves 48%(Nanjing grand HD021E electronics single yarn tester);
5, roll banding situation: not roll banding (range estimation) substantially.
Embodiment 5:
Kapok fiber pretreatment auxiliary agent embodiment 3 prepared evenly is sprayed on raw material bombax cotton, auxiliary dosage be bombax cotton heavy 4%, covered with plastic sheeting, at room temperature place 12 hours, both completed preliminary treatment.
Blending technology well known in the art is adopted to spin bombax cotton complete for above-mentioned preliminary treatment and cotton fiber, wherein cotton fiber weight is 40%, bombax cotton weight is 60%, significantly improve the problem that bombax cotton cotton wax dissolves in high temperature, improve spinning performance, spinning efficiency, reduce labour intensity.
Concrete test data is as follows:
1, the thick yarn evenness tester of yarn unevenness decline 25%(Laizhou Electron Instrument Co., Ltd. Y311 type bar);
2, yam surface fibrous index decline 63%(Changzhou weaving metrical instrument Co., Ltd YG171L type yarn filoplume tester);
3, the grand HD021E electronics in single thread force rising 25%(Nanjing single yarn tester);
4, spun yarn elongation at break improves 55%(Nanjing grand HD021E electronics single yarn tester);
5, roll banding situation: not roll banding (range estimation).
Embodiment 6:
Kapok fiber pretreatment auxiliary agent embodiment 3 prepared evenly is sprayed on raw material bombax cotton, auxiliary dosage be bombax cotton heavy 6%, covered with plastic sheeting, at room temperature place 12 hours, both completed preliminary treatment.
Blending technology well known in the art is adopted to spin bombax cotton complete for above-mentioned preliminary treatment and cotton fiber, wherein cotton fiber weight is 40%, bombax cotton weight is 60%, significantly improve the problem that bombax cotton cotton wax dissolves in high temperature, improve spinning performance, spinning efficiency, reduce labour intensity.
Concrete test data is as follows:
1, the thick yarn evenness tester of yarn unevenness decline 25%(Laizhou Electron Instrument Co., Ltd. Y311 type bar);
2, yam surface fibrous index decline 62%(Changzhou weaving metrical instrument Co., Ltd YG171L type yarn filoplume tester);
3, the grand HD021E electronics in single thread force rising 25%(Nanjing single yarn tester);
4, spun yarn elongation at break improves 54%(Nanjing grand HD021E electronics single yarn tester);
5, roll banding situation: not roll banding (range estimation).
Table 2: key property test data table
Table 3: yam surface fibrous index test data table
Described traditional handicraft refers to does not add kapok fiber pretreatment auxiliary agent to bombax cotton, does not carry out preliminary treatment, but directly adopts blending technology well known in the art to spin bombax cotton and cotton fiber.
Certainly, 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 (6)
1. a kapok fiber pretreatment auxiliary agent, is characterized in that, is made up of by weight following component:
2. kapok fiber pretreatment auxiliary agent as claimed in claim 1, is characterized in that, be made up of by weight following component:
3. the kapok fiber pretreatment auxiliary agent according to any one of claim 1-2, is characterized in that: described crosslinking agent is crosslinking agent EH.
4. the kapok fiber pretreatment auxiliary agent according to any one of claim 1-2, is characterized in that: described antistatic additive is octadecyldimethyl ethoxy quaternary ammonium nitrate.
5. a preprocess method for bombax cotton, is characterized in that, is made up of following step: be sprayed on bombax cotton by the kapok fiber pretreatment auxiliary agent according to any one of claim 1-4, at room temperature places 6-24 hour.
6. the preprocess method of bombax cotton as claimed in claim 5, is characterized in that: it is the 3-6% that bombax cotton is heavy that described kapok fiber pretreatment auxiliary agent adds consumption.
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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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| CN103255621B true CN103255621B (en) | 2015-02-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111877015B (en) * | 2020-07-16 | 2022-11-08 | 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 |
|---|---|---|---|---|
| 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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| 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 |
|---|
| 木棉纤维性能及其在纺织中应用的建议;韩玲;《棉纺织技术》;20100731;第38卷(第7期);第61-64页 * |
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