CN102277731B - Friction-increasing and weighting agent and its preparation method and use in improvement of kapok fiber spinning performances - Google Patents
Friction-increasing and weighting agent and its preparation method and use in improvement of kapok fiber spinning performances Download PDFInfo
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- CN102277731B CN102277731B CN2011101504172A CN201110150417A CN102277731B CN 102277731 B CN102277731 B CN 102277731B CN 2011101504172 A CN2011101504172 A CN 2011101504172A CN 201110150417 A CN201110150417 A CN 201110150417A CN 102277731 B CN102277731 B CN 102277731B
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Abstract
The invention relates to a friction-increasing and weighting agent and its preparation method and use in improvement of kapok fiber spinning performances. The friction-increasing and weighting agent is a mixed solution of raw materials comprising an acrylate derivative, sodium alginate, an emulsifier, a softener, an organic metal salt, an anionic surfactant and a nonionic surfactant. The preparation method comprises that the friction-increasing and weighting agent is prepared from the raw materials through emulsification and stirring. The use of the friction-increasing and weighting agent in improvement of kapok fiber spinning performances comprises the following steps of treating kapok fibers by the friction-increasing and weighting agent at a temperature of 20 to 30 DEG C and balancing the treated kapok fibers under the constant-temperature and constant-humidity conditions for 12 to 48 hours to obtain kapok fibers with improved performances. The preparation method of the friction-increasing and weighting agent has the advantages of simple operation, low cost, environmentally friendly characteristics and good applicability for industrialized production in textile industries. Through the use of the friction-increasing and weighting agent, kapok fibers have good performances of cotton carding, ribbon forming and spinning and thus a spinning bottleneck of kapok fibers in a spinning field is opened.
Description
Technical field
The invention belongs to and increase rub weighting agent and preparation and Application Areas, particularly a kind ofly increase rub weighting agent and preparation thereof and in the application that improves the bombax cotton spinning performance.
Background technology
That common bombax cotton has is white, Huang and yellowish-brown three class color and lusters, and the vertical outward appearance of bombax cotton is cylindrical, and smooth surface turns bent few, good luster.Therefore bombax cotton is compared with cotton fiber, seems more soft, and gloss is better, but brute force is poor, elasticity is also poor.The bombax cotton cross section is circular or oval, and the stage casing is thicker, and top end is thinner, and closed at both ends, fills air in the cell, and degree of hollowness reaches more than 80%, reaches as high as 97%.Owing to the difference of different document institute collected specimens difference is arranged about indexs such as the fineness of bombax cotton, length, but metastable scope is arranged.Bombax cotton length 8-34mm, fiber stage casing diameter 18-45 2 μ m, equal 30-36 μ m, wall thickness 0.5-2 μ m, fibre fineness is 0.29-3.2detx, filament density is 0.29g/cm3 only, and cotton is 1.53g/cm
3The relative torsion rigidity of bombax cotton is 71.5 * 10
-4C Ncm
2/ tex
2, larger than going back of glass fibre, this can cause that twisting efficiency reduces.Shorter because of bombax cotton length, intensity is low, cohesive force is relatively poor between the fiber, weaves to spinning and has brought great difficulty, so be difficult to independent spinning with spinning method cotton or hair, this is a large reason of never using well bombax cotton in the past.Kapok and cotton blending performance test the analysis showed that, when kapok content was lower than 50%, blended yarn made a good job of than the bar of Quality Pure Cotton Yarn Production.After kapok content surpassed 50%, irregularity increased, and powerful fall reaches about 45%.Blended yarn intensity former one of be stranded that descend is that the bombax cotton outer wall is smooth, and surface friction property is low, causes that the slippage between the fiber increases in the yarn, and yarn strength is descended.Another reason is that the kapok monofilament strength is lower, and length is short, and the increase of its short fiber content reduces the long fiber of sharing external force in the resultant yarn, and yarn strength is descended.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of increase rub weighting agent and preparation thereof and in the application that improves the bombax cotton spinning performance, and the present invention is easy and simple to handle, is easy to the industrialization production of textile industry; The health preserving adjuvant of the fiber that adopts all is to be easy to biodegradablely, and is easy to away ecological, environmental protective in last handling process.
A kind of weighting agent that rubs that increases of the present invention, this increases the mixed solution that the weighting agent that rubs is derivative, sodium alginate, emulsifying agent, softener, organic metal salt, anion surfactant and the non-ionic surface active agent of esters of acrylic acid, and wherein the mass ratio of acrylate derivative, sodium alginate, emulsifying agent, softener, organic metal salt, anion surfactant and non-ionic surface active agent is 0.1~3: 0.1~3: 1~3: 1~3: 10~100: 1~5: 1~5.
The derivative of above-mentioned esters of acrylic acid is PMA, polyethyl acrylate or butyl polyacrylate, emulsifying agent is neopelex, softener is fatty alcohol-polyoxyethylene ether, organic metal salt is that calcium acetate, anion surfactant are neopelex, and non-ionic surface active agent is fatty alcohol-polyoxyethylene ether.
A kind of preparation method who increases the weighting agent that rubs of the present invention, comprise: with the derivative of esters of acrylic acid, sodium alginate, emulsifying agent, softener, organic metal salt, anion surfactant and non-ionic surface active agent stir through Over emulsfication and form, wherein the derivative of esters of acrylic acid is PMA, polyethyl acrylate or butyl polyacrylate, emulsifying agent is neopelex, softener is fatty alcohol-polyoxyethylene ether, organic metal salt is calcium acetate, anion surfactant is neopelex, and non-ionic surface active agent is fatty alcohol-polyoxyethylene ether.
A kind of weighting agent that rubs that increases of the present invention is used for improving the bombax cotton spinning performance, and its user comprises:
Under temperature 20-30 ℃, with the aqueous solution that increases the weighting agent that rubs bombax cotton is processed, be 25 ± 2 ℃ in temperature then, relative humidity is balance 12-48h in 65 ± 2%, namely obtains the bombax cotton behind the performance improvement.
The pH value of the above-mentioned aqueous solution that increases the weighting agent that rubs is 7.0 ± 0.5, and the concentration that wherein increases the weighting agent that rubs is 30~210g/L.
The above-mentioned method that is treated to spray is processed.
The rate of body weight gain of the bombax cotton behind the above-mentioned performance improvement is 10%~30%.
The present invention increases weight and the coefficient of friction of bombax cotton by increasing the dynamiting of rubbing, and increases the cohesive force between the bombax cotton, becomes network capacity easy when making the bombax cotton combing, and the wadding net is even and clear; Have during slivering antistatic, smoothly reach the good characteristics of convergence; Fibre cohesion after the slivering is strong, and fuds fuddled is few, and spinnability is strong; Even bombax cotton has better comb and parallel cotton fibers prior to spinning, slivering and spinning performance, be able to better in the textile industry commercial application.
Beneficial effect:
Bombax cotton ecology of the present invention increases the weight increasing method that rubs and compares with the processing method of existing raising bombax cotton spinning performance:
(1) of the present invention easy and simple to handle, cost is low, and operating procedure is normal temperature condition, and is more energy-conservation, is easier to the industrialization production of textile industry.
(2) weighting agent that rubs that increases that the present invention is used is easy to biodegradation, ecological, environmental protective, and environmentally safe is easy to during subsequent treatment remove.
(3) bombax cotton of the present invention has better comb and parallel cotton fibers prior to spinning, slivering and spinning performance, is able to better in the textile industry commercial application.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
Increasing the concentration of weighting agent in water of rubbing is 52g/L, the pH value is 7.0, and wherein the mass ratio of the derivative polyethyl acrylate of esters of acrylic acid, sodium alginate, emulsifying agent neopelex, softener fatty alcohol-polyoxyethylene ether, organic metal salt calcium acetate, anionic surfactant sodium dodecylbenzene sulfonate and non-ionic surface active agent fatty alcohol-polyoxyethylene ether is 0.3: 0.3: 2: 2: 60: 3: 1.
20 ℃ of temperature are processed bombax cotton with this aqueous solution that increases the weighting agent that rubs, the balance 48h of thermostatic constant wet chamber's (temperature (25 ± 2) ℃, relative humidity (65 ± 2) %).Treated fiber, rate of body weight gain can reach about 10%, and the cohesive force between the fiber is greatly improved, and can realize that fiber becomes net, slivering and spinning, and blending rate can spin the yarn up to 30-50 up to 70%.
Embodiment 2
Increasing the concentration of weighting agent in water of rubbing is 61g/L, the pH value is 6.5, and wherein the mass ratio of the derivative polyethyl acrylate of esters of acrylic acid, sodium alginate, emulsifying agent neopelex, softener fatty alcohol-polyoxyethylene ether, organic metal salt calcium acetate, anionic surfactant sodium dodecylbenzene sulfonate and non-ionic surface active agent fatty alcohol-polyoxyethylene ether is 02: 02: 1.5: 1.5: 60: 2: 1.
25 ℃ of temperature are processed bombax cotton with this aqueous solution that increases the weighting agent that rubs, the balance 48h of thermostatic constant wet chamber's (temperature (25 ± 2) ℃, relative humidity (65 ± 2) %).Treated fiber, rate of body weight gain can reach about 15%, and the cohesive force between the fiber is greatly improved, and can realize that fiber becomes net, slivering and spinning, and blending rate can spin the yarn up to 30-50 up to 70%.
Embodiment 3
Increasing the concentration of weighting agent in water of rubbing is 43g/L, the pH value is 7.5, and wherein the mass ratio of the derivative polyethyl acrylate of esters of acrylic acid, sodium alginate, emulsifying agent neopelex, softener fatty alcohol-polyoxyethylene ether, organic metal salt calcium acetate, anionic surfactant sodium dodecylbenzene sulfonate and non-ionic surface active agent fatty alcohol-polyoxyethylene ether is 0.5: 0.5: 2: 2: 55: 2: 1.
25 ℃ of temperature adopt spray process technique, the balance 48h of thermostatic constant wet chamber's (temperature (25 ± 2) ℃, relative humidity (65 ± 2) %).Treated fiber, rate of body weight gain can reach about 20%, and the cohesive force between the fiber is greatly improved, and can realize that fiber becomes net, slivering and spinning, and blending rate can spin the yarn up to 20-40 up to 60%.
Embodiment 4
The concentration that increases the weighting agent that rubs is 72g/L, the pH value is 7.5, and wherein the mass ratio of the derivative polyethyl acrylate of esters of acrylic acid, sodium alginate, emulsifying agent neopelex, softener fatty alcohol-polyoxyethylene ether, organic metal salt calcium acetate, anionic surfactant sodium dodecylbenzene sulfonate and non-ionic surface active agent fatty alcohol-polyoxyethylene ether is 1: 1: 3: 3: 70: 2: 1.
25 ℃ of temperature adopt spray process technique, the balance 24h of thermostatic constant wet chamber's (temperature (25 ± 2) ℃, relative humidity (65 ± 2) %).Treated fiber, rate of body weight gain can reach about 25%, and the cohesive force between the fiber is greatly improved, and can realize that fiber becomes net, slivering and spinning, and blending rate can spin the yarn up to 20-50 up to 80%.
Embodiment 5
The concentration that increases the weighting agent that rubs is 83g/L, the pH value is 6.5, and wherein the mass ratio of the derivative polyethyl acrylate of esters of acrylic acid, sodium alginate, emulsifying agent neopelex, softener fatty alcohol-polyoxyethylene ether, organic metal salt calcium acetate, anionic surfactant sodium dodecylbenzene sulfonate and non-ionic surface active agent fatty alcohol-polyoxyethylene ether is 1.5: 1.5: 2: 2: 90: 3: 1.
25 ℃ of temperature adopt spray process technique, the balance 12h of thermostatic constant wet chamber's (temperature (25 ± 2) ℃, relative humidity (65 ± 2) %).Treated fiber, rate of body weight gain can reach about 15%, and the cohesive force between the fiber is greatly improved, and can realize that fiber becomes net, slivering and spinning, and blending rate can spin the yarn up to 30-50 up to 80%.
Embodiment 6
The concentration that increases the weighting agent that rubs is 75g/L, the pH value is 6.5, and wherein the mass ratio of the derivative polyethyl acrylate of esters of acrylic acid, sodium alginate, emulsifying agent neopelex, softener fatty alcohol-polyoxyethylene ether, organic metal salt calcium acetate, anionic surfactant sodium dodecylbenzene sulfonate and non-ionic surface active agent fatty alcohol-polyoxyethylene ether is 0.3: 0.3: 2: 2: 60: 3: 1.
25 ℃ of temperature adopt spray process technique, the balance 36h of thermostatic constant wet chamber's (temperature (25 ± 2) ℃, relative humidity (65 ± 2) %).Treated fiber, rate of body weight gain can reach about 15%, and the cohesive force between the fiber is greatly improved, and can realize that fiber becomes net, slivering and spinning, and blending rate can spin the yarn up to 20-50 up to 70%.
The bombax cotton rate of body weight gain is as shown in the table
Scheme | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
Fiber quality (g) | 31.89 | 33.50 | 32.58 | 29.30 | 37.29 | 36.50 |
Rate of body weight gain (%) | 9.80 | 10.07 | 8.56 | 10.78 | 12.34 | 10.26 |
Claims (7)
1. one kind increases the weighting agent that rubs, this increases the mixed solution that the weighting agent that rubs is derivative, sodium alginate, emulsifying agent, softener, organic metal salt, anion surfactant and the non-ionic surface active agent of esters of acrylic acid, and wherein the mass ratio of acrylate derivative, sodium alginate, emulsifying agent, softener, organic metal salt, anion surfactant and non-ionic surface active agent is 0.1~3:0.1~3:1~3:1~3:10~100:1~5:1~5;
The derivative of described esters of acrylic acid is PMA, polyethyl acrylate or butyl polyacrylate, emulsifying agent is neopelex, softener is fatty alcohol-polyoxyethylene ether, organic metal salt is that calcium acetate, anion surfactant are neopelex, and non-ionic surface active agent is fatty alcohol-polyoxyethylene ether.
2. a kind of preparation method who increases the weighting agent that rubs as claimed in claim 1, comprise: with the derivative of esters of acrylic acid, sodium alginate, emulsifying agent, softener, organic metal salt, anion surfactant and non-ionic surface active agent stir through Over emulsfication and form, wherein the derivative of esters of acrylic acid is PMA, polyethyl acrylate or butyl polyacrylate, emulsifying agent is neopelex, softener is fatty alcohol-polyoxyethylene ether, organic metal salt is calcium acetate, anion surfactant is neopelex, and non-ionic surface active agent is fatty alcohol-polyoxyethylene ether.
3. a kind of weighting agent that rubs that increases as claimed in claim 1 is used for improving the bombax cotton spinning performance.
4. a kind of weighting agent that rubs that increases according to claim 3 is used for improving the bombax cotton spinning performance, and it is characterized in that: its using method comprises:
Under temperature 20-30 ℃, with the aqueous solution that increases the weighting agent that rubs bombax cotton is processed, be 25 ± 2 ℃ in temperature then, relative humidity is balance 12-48h in 65 ± 2%, namely obtains the bombax cotton behind the performance improvement.
5. a kind of weighting agent that rubs that increases according to claim 4 is used for improving the bombax cotton spinning performance, and it is characterized in that: the described pH value that increases the aqueous solution of the weighting agent that rubs is 7.0 ± 0.5, and the concentration that wherein increases the weighting agent that rubs is 30~210g/L.
6. a kind of weighting agent that rubs that increases according to claim 4 is used for improving the bombax cotton spinning performance, and it is characterized in that: the described method that is treated to spray is processed.
7. a kind of weighting agent that rubs that increases according to claim 4 is used for improving the bombax cotton spinning performance, and it is characterized in that: the rate of body weight gain of the bombax cotton behind the described performance improvement is 10%~30%.
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CN1990946A (en) * | 2005-12-31 | 2007-07-04 | 戴建荣 | Preparation method and application of ceiba fiber in spinning and weave field |
CN101532249A (en) * | 2009-04-16 | 2009-09-16 | 浙江好运来数码纺织股份有限公司 | Method for weight-increasing and antimicrobial treatment of silk fiber |
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JPS60259675A (en) * | 1984-06-01 | 1985-12-21 | 工業技術院長 | Sericine fixing weight increasing processing of raw silk fiber |
CN101314916A (en) * | 2007-05-28 | 2008-12-03 | 罗姆有限公司 | Method for thread graft and products thereof |
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CN1990946A (en) * | 2005-12-31 | 2007-07-04 | 戴建荣 | Preparation method and application of ceiba fiber in spinning and weave field |
CN101532249A (en) * | 2009-04-16 | 2009-09-16 | 浙江好运来数码纺织股份有限公司 | Method for weight-increasing and antimicrobial treatment of silk fiber |
Non-Patent Citations (2)
Title |
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JP昭60-259675A 1985.12.21 |
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