CN109097996A - Wool finishing fluid and preparation method thereof - Google Patents

Wool finishing fluid and preparation method thereof Download PDF

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Publication number
CN109097996A
CN109097996A CN201810643324.5A CN201810643324A CN109097996A CN 109097996 A CN109097996 A CN 109097996A CN 201810643324 A CN201810643324 A CN 201810643324A CN 109097996 A CN109097996 A CN 109097996A
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CN
China
Prior art keywords
chitosan
wool
finishing fluid
preparation
polyurethane
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.)
Pending
Application number
CN201810643324.5A
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Chinese (zh)
Inventor
沈学如
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Aoyang Group Co Ltd
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Aoyang Group Co Ltd
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Priority to CN201810643324.5A priority Critical patent/CN109097996A/en
Publication of CN109097996A publication Critical patent/CN109097996A/en
Pending legal-status Critical Current

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    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • 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
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/10—Animal fibres
    • D06M2101/12—Keratin fibres or silk
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/50—Modified hand or grip properties; Softening compositions

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

This application discloses a kind of wool finishing fluids, comprising: chitosan；The aqueous polyurethane of 55~70g/L, wherein the mass ratio of chitosan and polyurethane is 4~7:100.Disclosed herein as well is a kind of preparation methods of wool finishing fluid, comprising: (1), using hydrogen peroxide and microwave is once modified to chitosan；(2), chitosan is carried out using thiocarbamide and microwave twice-modified；(3), modified chitosan is dispersed in aqueous polyurethane and is uniformly mixed by the aqueous polyurethane for preparing 55~70g/L, and wherein the mass ratio of chitosan and polyurethane is 4~7:100, adjusts pH to neutrality, obtains wool finishing fluid.The anti-felt effect of wool after the present invention arranges is ideal, and area felting reaches 0.07%, compared with the finishing fluid that chitosan is not added, the usage amount of polyurethane reduces by 50% or more, at low cost, pollution of the reduction to environment, and the wool good hand touch obtained, through increasing by 20% or more to the strength with broadwise.

Description

Wool finishing fluid and preparation method thereof
Technical field
This application involves textile technology fields, more particularly to a kind of wool finishing fluid and preparation method thereof.
Background technique
Wool is a kind of natural protein fibre, is the important source material of textile industry.The various good characteristics of wool make it Various high-grade fabrics can be spun into.But the distinctive Microstructure of epidermal scale of wool surface easily makes fabric in washing due to fixed Felting deformation occurs to friction effect, weavy grain is smudgy.The presence of scale is but also woolen needs at relatively high temperatures Dyeing, not only affects the excellent performance of wool, also adds energy consumption.In addition, there is thorn during taking in pure Woolens Gargalesthesia easily causes electrostatic in dry environments, affects wearing comfort.In order to overcome disadvantage mentioned above, wool is processed It generally requires to carry out stripping squama processing in journey.
The method of traditional removing wool surfaces scale is oxychloride method, which mainly uses hypochlorite, dichloro isocyanide Lithate etc. carries out severe chlorination processing to wool.But the method easily occur chlorination processing non-uniform phenomenon, and wool easily by Damage, and absorbable organochlorine can be generated in textile waste and cause environmental pollution.Wool after permanganimetric method is handled, The scale on surface can be substantially stripped, but there is Mn in waste water for this method2+Recycling and electrolyte dosage is excessively high asks Topic.In addition, method of plasma processing, supercritical ultrasonics technology, subcritical dry cleaning technology, UV radiation, equipment investment are costly, Processing cost is high, and condition requires height, limits their applications in the industrial production.
Summary of the invention
The purpose of the present invention is to provide a kind of wool finishing fluid and preparation method thereof, with overcome it is in the prior art not Foot.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of wool finishing fluid, comprising:
Chitosan；
The aqueous polyurethane of 55~70g/L, wherein the mass ratio of chitosan and polyurethane is 4~7:100.
Preferably, in above-mentioned wool finishing fluid, the chitosan is by hydrogen peroxide and thiocarbamide composite degradation Modification of chitosan.
The embodiment of the present application also discloses a kind of preparation method of wool finishing fluid, comprising:
(1), chitosan is once modified using hydrogen peroxide and microwave；
(2), chitosan is carried out using thiocarbamide and microwave twice-modified；
(3), the aqueous polyurethane for preparing 55~70g/L, modified chitosan is dispersed in aqueous polyurethane It is uniformly mixed, wherein the mass ratio of chitosan and polyurethane is 4~7:100, adjusts pH to neutrality, obtains wool finishing fluid.
Preferably, in the preparation method of above-mentioned wool finishing fluid, in step (1), it is molten to dissolve chitosan in hydrochloric acid In liquid, hydrogenperoxide steam generator is then added, handles 3~7 minutes be modified under microwave condition.
Preferably, in the preparation method of above-mentioned wool finishing fluid, in step (1), the concentration of hydrochloric acid solution is 0.12 ~0.15mol/L.
Preferably, in the preparation method of above-mentioned wool finishing fluid, in step (1), the quality point of hydrogenperoxide steam generator Number is 33%~38%.
Preferably, in the preparation method of above-mentioned wool finishing fluid, in step (1), microwave power is 400~450W.
Preferably, in the preparation method of above-mentioned wool finishing fluid, in step (2), modified obtained chitosan is soaked It steeps in NaOH aqueous solution, monoxone is added, is reacted 1~3 hour under microwave radiation；Thiocarbamide is added, reacts 2 under microwave radiation ~4 hours, washing, dry acquisition modification of chitosan.
Preferably, in the preparation method of above-mentioned wool finishing fluid, monoxone is added, it is anti-under 400W microwave radiation It answers；Thiocarbamide is added, is reacted under 400W microwave radiation.
Preferably, in the preparation method of above-mentioned wool finishing fluid, the molecular weight of the modification of chitosan of acquisition is 31~ 35KDa。
Compared with the prior art, the advantages of the present invention are as follows: the anti-felt effect of wool after the present invention arranges is ideal, area felt Shrinkage reaches 0.07%, and compared with the finishing fluid that chitosan is not added, the usage amount of polyurethane reduces by 50% or more, at low cost, drop The low pollution to environment, and the wool good hand touch obtained, through increasing by 20% or more to the strength with broadwise.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood. However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The preparation of wool finishing fluid
Embodiment 1
It dissolves chitosan in the hydrochloric acid solution of 0.12mol/L, the hydrogen peroxide that mass fraction is 35% is then added Solution is handled 5 minutes under the microwave power of 400W and is modified.
Modified obtained chitosan is soaked in the NaOH aqueous solution of 5% mass concentration, monoxone is added, additional amount is 0.3g/100ml reacts 2h under 400W microwave radiation；Thiocarbamide is added, the additional amount of thiocarbamide is the 2 of modified obtained chitosan Times, 2h is reacted under 400W microwave radiation, washing, the dry molecular weight that obtains is the modification of chitosan of 34KDa.
Polyurethane is dissolved in water, compound concentration is the aqueous polyurethane of 60g/L, and modification of chitosan is dissolved in It in 0.12mol/L hydrochloric acid solution, is then added in aqueous polyurethane, the mass ratio of modification of chitosan and polyurethane is 4: 100, it stirs evenly, adjusts pH to neutrality, obtain wool finishing fluid.
Wool is arranged using the wool finishing fluid of acquisition, dip time 40 minutes, then pick-up 75% is dried It is tested.
The anti-felt effect of wool after arrangement is ideal, and area felting reaches 0.07%, with the arrangement liquid phase that chitosan is not added Usage amount than, polyurethane reduces by 50% or more, at low cost, reduces the pollution to environment, and the wool good hand touch obtained, through to Increase by 20% or more with the strength of broadwise.
Embodiment 2
It dissolves chitosan in the hydrochloric acid solution of 0.12mol/L, the hydrogen peroxide that mass fraction is 35% is then added Solution is handled 5 minutes under the microwave power of 400W and is modified.
Modified obtained chitosan is soaked in the NaOH aqueous solution of 5% mass concentration, monoxone is added, additional amount is 0.3g/100ml reacts 2h under 400W microwave radiation；Thiocarbamide is added, the additional amount of thiocarbamide is the 2 of modified obtained chitosan Times, 2h is reacted under 400W microwave radiation, washing, the dry molecular weight that obtains is the modification of chitosan of 34KDa.
Polyurethane is dissolved in water, compound concentration is the aqueous polyurethane of 55g/L, and modification of chitosan is dissolved in It in 0.12mol/L hydrochloric acid solution, is then added in aqueous polyurethane, the mass ratio of modification of chitosan and polyurethane is 7: 100, it stirs evenly, adjusts pH to neutrality, obtain wool finishing fluid.
Wool is arranged using the wool finishing fluid of acquisition, dip time 40 minutes, then pick-up 75% is dried It is tested.
The anti-felt effect of wool after arrangement is ideal, and area felting reaches 0.08%, with the arrangement liquid phase that chitosan is not added Usage amount than, polyurethane reduces by 50% or more, at low cost, reduces the pollution to environment, and the wool good hand touch obtained, through to Increase by 20% or more with the strength of broadwise.
Embodiment 3
It dissolves chitosan in the hydrochloric acid solution of 0.12mol/L, the hydrogen peroxide that mass fraction is 35% is then added Solution is handled 5 minutes under the microwave power of 400W and is modified.
Modified obtained chitosan is soaked in the NaOH aqueous solution of 5% mass concentration, monoxone is added, additional amount is 0.3g/100ml reacts 2h under 400W microwave radiation；Thiocarbamide is added, the additional amount of thiocarbamide is the 2 of modified obtained chitosan Times, 2h is reacted under 400W microwave radiation, washing, the dry molecular weight that obtains is the modification of chitosan of 34KDa.
Polyurethane is dissolved in water, compound concentration is the aqueous polyurethane of 70g/L, and modification of chitosan is dissolved in It in 0.12mol/L hydrochloric acid solution, is then added in aqueous polyurethane, the mass ratio of modification of chitosan and polyurethane is 5: 100, it stirs evenly, adjusts pH to neutrality, obtain wool finishing fluid.
Wool is arranged using the wool finishing fluid of acquisition, dip time 40 minutes, then pick-up 75% is dried It is tested.
The anti-felt effect of wool after arrangement is ideal, and area felting reaches 0.091%, with the arrangement liquid phase that chitosan is not added Usage amount than, polyurethane reduces by 50% or more, at low cost, reduces the pollution to environment, and the wool good hand touch obtained, through to Increase by 20% or more with the strength of broadwise.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive Property include so that include a series of elements process, method, article or equipment not only include those elements, but also Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic Element.

Claims (10)

1. a kind of wool finishing fluid characterized by comprising
Chitosan；
The aqueous polyurethane of 55~70g/L, wherein the mass ratio of chitosan and polyurethane is 4~7:100.
2. wool finishing fluid according to claim 1, which is characterized in that the chitosan is by hydrogen peroxide and thiocarbamide The modification of chitosan of composite degradation.
3. a kind of preparation method of wool finishing fluid characterized by comprising
(1), chitosan is once modified using hydrogen peroxide and microwave；
(2), chitosan is carried out using thiocarbamide and microwave twice-modified；
(3), the aqueous polyurethane for preparing 55~70g/L, modified chitosan is dispersed in aqueous polyurethane and is mixed Uniformly, wherein the mass ratio of chitosan and polyurethane is 4~7:100, adjusts pH to neutrality, obtains wool finishing fluid.
4. the preparation method of wool finishing fluid according to claim 3, which is characterized in that in step (1), chitosan is molten Then hydrogenperoxide steam generator is added in hydrochloric acid solution in solution, handle 3~7 minutes be modified under microwave condition.
5. the preparation method of wool finishing fluid according to claim 4, which is characterized in that in step (1), hydrochloric acid solution Concentration is 0.12~0.15mol/L.
6. the preparation method of wool finishing fluid according to claim 4, which is characterized in that in step (1), hydrogen peroxide is molten The mass fraction of liquid is 33%~38%.
7. the preparation method of wool finishing fluid according to claim 4, which is characterized in that in step (1), microwave power is 400~450W.
8. the preparation method of wool finishing fluid according to claim 3, which is characterized in that in step (2), modification is obtained Chitosan be soaked in NaOH aqueous solution, be added monoxone, reacted 1~3 hour under microwave radiation；Thiocarbamide, microwave is added The lower reaction of radiation 2~4 hours, washing, drying obtain modification of chitosan.
9. the preparation method of wool finishing fluid according to claim 8, which is characterized in that monoxone is added, it is micro- in 400W It is reacted under wave radiation；Thiocarbamide is added, is reacted under 400W microwave radiation.
10. the preparation method of wool finishing fluid according to claim 3, which is characterized in that the modification of chitosan of acquisition Molecular weight is 31~35KDa.
CN201810643324.5A 2018-06-21 2018-06-21 Wool finishing fluid and preparation method thereof Pending CN109097996A (en)

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Application Number Priority Date Filing Date Title
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105568665A (en) * 2015-12-30 2016-05-11 江阴市长泾花园毛纺织有限公司 Production method of dirt repelling and felting resisting wool fabric
CN107129543A (en) * 2017-03-20 2017-09-05 浙江工商大学 A kind of thiocarbamide modification of chitosan and its preparation method and application

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105568665A (en) * 2015-12-30 2016-05-11 江阴市长泾花园毛纺织有限公司 Production method of dirt repelling and felting resisting wool fabric
CN107129543A (en) * 2017-03-20 2017-09-05 浙江工商大学 A kind of thiocarbamide modification of chitosan and its preparation method and application

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JIHUA SHI ET AL: "A novel bio-functional finishing agent for wool based on waterborne polyurethane mixed with chitosan", 《TEXTILE RESEARCH JOURNAL》 *
史吉华: ""壳聚糖改性聚氨酯和角蛋白的制备及其对羊毛防毡缩的应用研究"，史吉华，《中国博士学位论文全文数据库 工程科技I辑》，第08期，第B024-5页", 《中国博士学位论文全文数据库 工程科技I辑》 *
韩晓等: "壳聚糖与水性聚氨酯的复配及其性能研究", 《毛纺科技》 *

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Application publication date: 20181228

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