CN112195540A - Pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof - Google Patents
Pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof Download PDFInfo
- Publication number
- CN112195540A CN112195540A CN202011031254.1A CN202011031254A CN112195540A CN 112195540 A CN112195540 A CN 112195540A CN 202011031254 A CN202011031254 A CN 202011031254A CN 112195540 A CN112195540 A CN 112195540A
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- CN
- China
- Prior art keywords
- polypropylene
- spinning
- antistatic agent
- industrial alcohol
- pretreatment process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
A pre-spinning pretreatment process for polypropylene and its blended yarn belongs to the technical field of spinning, wherein a mixed solution formed by mixing an antistatic agent, industrial alcohol and water is sprayed into a polypropylene or polypropylene mixed material, and the polypropylene or polypropylene mixed material is subjected to spinning process after 24 +/-2 hours of covering. The invention can lead the antistatic agent to be capable of uniformly permeating into the polypropylene fiber and the mixed material thereof along with the full volatilization of alcohol and warm water, thereby improving the antistatic property of the raw materials, improving the spinnability of the raw materials, leading the blowing cotton carding procedure to roll into strips without the phenomena of sticking, dropping net, returning flower and the like, ensuring the smooth operation of the whole spinning process, and improving the spinning production efficiency and the yarn quality.
Description
Technical Field
The invention belongs to the technical field of spinning, and particularly relates to a pretreatment technology before fiber raw material pre-spinning production of blended yarns.
Background
The polypropylene fiber is one of five synthetic fibers (terylene, acrylon, chinlon, vinylon and polypropylene fiber), and the specific gravity is only 0.91g/cm3The lightest of the commonly used fibers.
At present, the trend of clothes is developing towards light weight, and because the specific gravity of the polypropylene fiber is small, the manufactured fabric is light, and the human body can move easily. Polypropylene has very low hygroscopicity, and the moisture regain of polypropylene is about 0 at normal temperature and humidity. But it has a strong moisture wicking action. It has the property of conducting warm water vapor, so that the water vapor can be quickly and effectively transferred to the other side of the fabric. The fabric does not absorb warm water, has obvious moisture absorption and sweat releasing effects, can keep the skin dry when being worn, and greatly improves the comfort and the sanitation.
And because the polypropylene fiber has low moisture regain, static electricity is easy to generate in the spinning process, and the cotton blowing and cotton carding process is difficult to produce. Therefore, before the current production of pure polypropylene yarn or blended yarn, the common antistatic agent and warm water are mixed according to a certain proportion and then the polypropylene raw material is humidified, the method can improve the spinnability of the polypropylene fiber to a certain extent, but the antistatic agent in the method is not easy to uniformly permeate the surface of the polypropylene fiber, so that the phenomena of sticking, net falling, back-spinning and the like still exist during blowing, carding, coiling and slivering, and the spinning quality and the production efficiency are not high.
With the development of socioeconomic, the living temperature of people is continuously improved, and for textiles for clothes, the high quality of the textiles is also more and more concerned besides pursuing wearing comfort. To meet this demand of consumers, the continuous development of high quality yarns and fabrics is an important task in the textile industry.
Disclosure of Invention
The invention aims to provide a pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof, in order to improve the production efficiency of blowing, cotton carding, coiling and sliver forming processes and improve the textile quality.
The technical scheme of the invention is as follows: spraying the mixed solution of antistatic agent, industrial alcohol and water into the polypropylene fiber or polypropylene fiber mixture, covering for 24 +/-2 hr, and spinning.
The invention can lead the antistatic agent to be capable of uniformly permeating into the polypropylene fiber and the mixed material thereof along with the full volatilization of alcohol and warm water, thereby improving the antistatic property of the raw materials, improving the spinnability of the raw materials, leading the blowing cotton carding procedure to roll into strips without the phenomena of sticking, dropping net, returning flower and the like, ensuring the smooth operation of the whole spinning process, and improving the spinning production efficiency and the yarn quality.
Further, in the mixed solution, the mixing weight ratio of the antistatic agent to the industrial alcohol is 1: 20, and the industrial alcohol is 75% industrial alcohol. The invention adopts the mixing of a small amount of antistatic agent and industrial alcohol, can evenly dilute the emulsion of the antistatic agent, can disperse the antistatic agent in the alcohol, simultaneously adds the industrial alcohol with higher proportion and higher concentration, and can improve the permeability and the uniformity of the antistatic agent in the treatment raw materials by utilizing the volatility of the industrial alcohol, thereby improving the antistatic treatment effect.
In the mixed liquid, the mixing weight ratio of the total amount of the antistatic agent and the industrial alcohol to the water is 1: 1.2. The water is added to the mixed solution of the antistatic agent and the industrial alcohol in order to prevent the mixed solution from volatilizing. According to the invention, water and the antistatic agent industrial alcohol mixed solution are mixed, so that volatilization of the antistatic agent and the industrial alcohol can be prevented, and meanwhile, the raw materials are humidified and subjected to antistatic treatment together after water is added, so that the treatment effect can be improved.
Moreover, repeated research and experiments show that if the water content is too much, the use ratio of the antistatic agent to the industrial alcohol is reduced, so that the antistatic effect cannot be achieved after the raw material is treated. If the water amount is too small, the use ratio of the antistatic agent to the industrial alcohol can be improved, the cost is improved, the reversion rate of the raw materials after treatment is low, and the water and the antistatic agent are easy to volatilize and lose, so that the antistatic performance and the spinning suitability of the treated raw materials are reduced.
The temperature of the water is 60 +/-5 ℃, and the mixed liquid of warm water with certain temperature and the antistatic agent industrial alcohol is used for mixing, so that the molecular motion of the three can be accelerated, and the mixing of the three can be realized more easily.
The mixing weight ratio of the mixed solution to the polypropylene or the polypropylene mixed material is 1: 20. By using the proportion, the raw materials can be ensured to have certain backward rate after being treated, the antistatic effect is achieved, the raw materials are prevented from being difficult to open and comb in the carding process due to overhigh moisture content, and the spinning suitability of the raw materials can be ensured.
Detailed Description
Firstly, a pre-spinning pretreatment scheme for producing viscose easy-dyeing polypropylene blended yarn with the density of 24.5tex and the R/P blending ratio of 70/30:
1. preparing a mixed solution:
antistatic agent: JL-WTA antistatic agent is selected.
Industrial alcohol: industrial alcohol with 75% (V/V) concentration is selected.
Purified water: heating and keeping the temperature to 60 +/-5 ℃.
2. Fiber raw materials:
easy-dyeing polypropylene: easy-dyeing polypropylene fiber with the specification of 1.56dtex 38mm produced by American Vickers is selected.
Gluing: the viscose fiber with the specification of 1.33dtex 38mm made in China is selected.
3. Preparing blending raw materials:
the two raw materials are primarily mixed by a bale plucker according to the weight ratio (R/P) of the viscose fiber to the easy-dyeing polypropylene fiber of 70/30 to form a mixed material.
4. Pretreatment of the mixed material:
the method comprises the following steps:
1) the antistatic agent and the industrial alcohol are mixed according to the weight ratio of 1: 20 to obtain a mixed solution A.
2) And mixing the mixed solution A and warm water according to the weight ratio of 1: 1.2 to obtain mixed solution B.
3) The mixed liquid B and the mixed material are prepared according to the weight ratio of 1: 20, and the mixed liquid B is filled into an electric watering can to uniformly spray the mixed material.
4) The sprayed mixture is covered with plastic film for 24 hr to volatilize and permeate the mixture of antistatic agent, industrial alcohol and warm water, and the mixture is used in spinning production.
The yarn obtained after spinning was R/P70/3024.5 tex.
II, detection and result:
the pretreatment method can ensure that the antistatic agent can uniformly permeate into the easy-dyeing polypropylene fiber and viscose mixed material along with the full volatilization of alcohol and warm water, thereby improving the antistatic property of the mixed material, improving the spinnability of the spinning process before spinning, leading the blowing and carding process to roll into strips without the phenomena of adhesive layer, net falling, flower returning and the like, greatly improving the spinning quality and the production efficiency, obviously reducing the weight unevenness of the rolled strips and the raw strips, and obviously reducing the linear density variation coefficient, the long slubby and the long and thin yarn defects of the finished yarns which are less than those of the traditional treatment method.
The comparison table of the main parameter performance of the formed viscose easy-dyeing polypropylene blended yarn and the viscose easy-dyeing polypropylene blended yarn formed by the conventional treatment method is as follows:
Claims (5)
1. a pre-spinning pretreatment process for polypropylene and its blended yarn is characterized by that the mixed liquor formed from antistatic agent, industrial alcohol and water is sprayed into the polypropylene or polypropylene mixed material, and passed through the cover for 24 +/-2 hr, then the polypropylene or polypropylene mixed material is spun.
2. The pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof as claimed in claim 1, wherein the mixing weight ratio of the antistatic agent to the industrial alcohol in the mixed solution is 1: 20, and the industrial alcohol is 75% industrial alcohol.
3. The pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof as claimed in claim 2, wherein the mixed solution comprises the antistatic agent and industrial alcohol in a mixed weight ratio of 1: 1.2.
4. The pre-spinning pretreatment process for polypropylene and blended yarns thereof as claimed in claim 3, wherein the temperature of said water is 60 ± 5 ℃.
5. The pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof as claimed in claim 1, 2, 3 or 4, wherein the mixing weight ratio of the mixed solution to the polypropylene fibers or the polypropylene fiber mixed material is 1: 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011031254.1A CN112195540A (en) | 2020-09-27 | 2020-09-27 | Pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011031254.1A CN112195540A (en) | 2020-09-27 | 2020-09-27 | Pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112195540A true CN112195540A (en) | 2021-01-08 |
Family
ID=74008409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011031254.1A Withdrawn CN112195540A (en) | 2020-09-27 | 2020-09-27 | Pre-spinning pretreatment process for polypropylene fibers and blended yarns thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112195540A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046059A (en) * | 2007-04-12 | 2007-10-03 | 苏州大学 | Cationic polypropylene spinning oil prepn |
| CN101586257A (en) * | 2008-05-19 | 2009-11-25 | 北京化工大学 | Electrostatic spinning method and device for controlling fiber adhesion |
| CN103225209A (en) * | 2013-04-16 | 2013-07-31 | 南通纺织职业技术学院 | Antistatic oil agent special for polypropylene staple fiber coarse yarn textile production and use method thereof |
| CN111364135A (en) * | 2020-03-18 | 2020-07-03 | 魏桥纺织股份有限公司 | Polypropylene staple fiber pure spinning yarn and production method thereof |
-
2020
- 2020-09-27 CN CN202011031254.1A patent/CN112195540A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046059A (en) * | 2007-04-12 | 2007-10-03 | 苏州大学 | Cationic polypropylene spinning oil prepn |
| CN101586257A (en) * | 2008-05-19 | 2009-11-25 | 北京化工大学 | Electrostatic spinning method and device for controlling fiber adhesion |
| CN103225209A (en) * | 2013-04-16 | 2013-07-31 | 南通纺织职业技术学院 | Antistatic oil agent special for polypropylene staple fiber coarse yarn textile production and use method thereof |
| CN111364135A (en) * | 2020-03-18 | 2020-07-03 | 魏桥纺织股份有限公司 | Polypropylene staple fiber pure spinning yarn and production method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张翠芹: "有色丙纶纤维19.7tex纱的生产实践", 《棉纺织技术》 * |
| 随风爹M19: "抗静电剂的使用方法", <HTTPS://ZHIDAO.BAIDU.COM/QUESTION/371277791002077484.HTML> * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210108 |
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| WW01 | Invention patent application withdrawn after publication |