CN106758236A - A kind of hydrophobic type stiffening agent and preparation method thereof, application method - Google Patents
A kind of hydrophobic type stiffening agent and preparation method thereof, application method Download PDFInfo
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- CN106758236A CN106758236A CN201611034199.5A CN201611034199A CN106758236A CN 106758236 A CN106758236 A CN 106758236A CN 201611034199 A CN201611034199 A CN 201611034199A CN 106758236 A CN106758236 A CN 106758236A
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- stiffening agent
- hydrophobic type
- type stiffening
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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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to a kind of hydrophobic type stiffening agent and preparation method thereof, application method, wherein, the preparing raw material component of the hydrophobic type stiffening agent includes dispersion stabilizer 2~5%；Comonomer 45~50%；Initiator 0.05~0.3%；Regulation acid 0.4~1%；Neutralize alkali 0.1~0.6%；Deionized water 43~53%；Percentage above is referred to preparing raw material component is weight percentage.
Description
Technical field
The invention belongs to the dyeing and finishing auxiliaries of textile product, more particularly to a kind of hydrophobic type stiffening agent and preparation method thereof, make
Use method.
Background technology
Stiffening agent refers to a kind of textile auxiliary for textile hard finishing, and Main Function is exactly to improve outside textile
See, increase textile elasticity and sense of fullness, and assign the material used by textile stiffness, obtain firm after making textile finishing
Property, stiffening, elastic, abundant feel.Its application is very wide in textile industry, can apply to curtain, mosquito net, case and bag, work
Dress, lining cloth and non-woven fabrics, etc..
At present, common on the market stiffening agent product mainly includes：
(1) heat curing-type：Such as (etherificate) melmac, pollopas；
(2) thermoplastics type：Such as polyacrylate dispersion, poly- styryl acrylic emulsion, poly-vinegar-acrylic emulsion, polyvinyl acetate emulsion (white glue
Class), polyvinyl alcohol etc.；
(3) natural class：Such as starch.
Wherein, the heat curing-type stiffening agent such as (etherificate) melmac, pollopas, low due to containing formaldehyde higher
In the environmental protection standard of various countries, used by limitation.Polyacrylate dispersion, poly- styryl acrylic emulsion, poly-vinegar-acrylic emulsion etc., in its raw material
All it is to use anion emulsifier.And in cloth dyeing technique, the common post-finishing agent cationic after stiffening handling process
On the high side, such as hand feeling agent etc., the polyacrylate stiffening agent of anionic property cannot be same with other cationic finishing agents
Bath is used, it is necessary to multiple process, this just have impact on the operating efficiency of dye-works, and further increase energy consumption.Additionally, this
All employ N hydroxymethyl acrylamide does cross-linking monomer greatly when class stiffening agent is polymerized, and the textile after arrangement still can be discharged
A small amount of formaldehyde, equally with certain limitation.And the stiffening agent that polyvinyl alcohol is made, due to containing great amount of hydroxy group in molecule,
Hydrophily is strong, and textile moisture regain (easing back) after arrangement is obvious, and solution viscosity is big, it is impossible to make high concentration product.Starch
Stiffening agent endures with all one's will effect on driving birds is not good, is appropriate only for improving feel.
Relative to above-mentioned several stiffening agents, polyvinyl acetate emulsion (white glue class) is due to low raw-material cost, and performance is excellent
More, excellent stiffening effect can be obtained in the case where consumption is less, and product is in itself nonionic, applicability is wide,
Such stiffening agent has broad application prospects.
PVAC polyvinylalcohol is a kind of polymer containing great amount of hydroxy group, and hydroxyl is strongly hydrophilic group, so it is one
Water miscible macromolecular compound is planted, it is nonionic that its is ionic.PVAC polyvinylalcohol presses alcoholysis degree, can be divided into following several
Class：Complete alcoholysis (alcoholysis degree is 98~99mol%), middle alcoholysis (alcoholysis degree is 92~94mol%), partial alcoholysis (alcoholysis
It is 87~89mol% to spend) and low alcoholysis (alcoholysis degree is 79~81mol%).Due to the PVAC polyvinylalcohol macromolecular of alcoholysis degree high
It is interior and it is intermolecular there is stronger hydrogen bond, hinder that its is water-soluble, and the ester group in low alcoholysis level PVA is hydrophobic group,
Its steric hindrance is very big, can prevent the formation of PVA intramoleculars and intermolecular hydrogen bonding, promotes water solubility, so alcoholysis degree is got over
Low PVA hydrophilies are stronger, otherwise hydrophobicity is stronger.
Polyvinyl acetate emulsion (white glue class) is under normal circumstances with the partial alcoholysis polyvinyl alcohol that alcoholysis degree is 88mol%
PVA (such as PVA-0588,1788,2488) as protecting colloid, with containing polyoxyethylated nonionic surfactant (such as alkane
Base APEO (paregal O), fatty alcohol ether, isomery alcohol ether) as emulsifying agent, gather under conditions of initiator persulfate
Conjunction is formed.
With the polyvinyl acetate emulsion good hydrophilic property that alcoholysis degree PVA synthesizes as part material, and the nonionic in raw material
Surfactant equally has good hydrophily, if by polyvinyl acetate emulsion and organic fluorine waterproof agent one-bath finishing,
Influence waterproof effect, therefore, in the prior art, stiffening agent finishing technique is divided into two procedures with waterproofing agent finishing technique
Complete.Additionally, a small amount of formaldehyde, polyvinyl acetate emulsion oxygen can be formed in oxidation containing polyoxyethylated surfactant
Also a small amount of formaldehyde can be produced after change, may be polluted the environment.
The content of the invention
It is an object of the invention to provide a kind of hydrophobic type stiffening agent, endured with all one's will with solving environment-friendly type present in prior art
When agent is with organic fluorine waterproof agent one-bath finishing, the technical problem of textile water proof effect can be influenceed.
To achieve these goals, the technical solution adopted by the present invention is as follows：
An embodiment of the invention provides a kind of hydrophobic type stiffening agent, and its preparing raw material component includes：
Dispersion stabilizer 2~5%；
Comonomer 45~50%；
Initiator 0.05~0.3%；
Regulation acid 0.4~1%；
Neutralize alkali 0.1~0.6%；
Deionized water 43~53%；
Percentage above is referred to preparing raw material component is weight percentage.
Further, in different embodiments, the dispersion stabilizer includes polyvinyl alcohol and modified polyvinylalcohol, institute
It is 1 that polyvinyl alcohol is stated with the mass ratio of the modified polyvinylalcohol：1；Or, including two kinds of polyvinyl alcohol, two kinds of polyvinyl alcohol
Mass ratio be 1：1；Or, including two kinds of modified polyvinylalcohols, two kinds of mass ratioes of modified polyvinylalcohol are 1：1.
Further, in different embodiments, the polyvinyl alcohol include polyvinyl alcohol 0599, polyvinyl alcohol 1799,
Polyvinyl alcohol 2499 or polyvinyl alcohol 2699；Modified polyvinylalcohol is vinyl hydrophobically modified polyvinyl alcohol RS-1717.
Further, in different embodiments, the component of the comonomer includes：
Vinylacetate 45~78%；
Butyl acrylate 5~20%；
Isobornyl methacrylate 10~25%；
Octadecyl acrylate 5~11%；
Dimethylaminoethyl methacrylate 2~5%；
Percentage above is referred to component is weight percentage.
Further, in different embodiments, the initiator includes ammonium persulfate, sodium peroxydisulfate, potassium peroxydisulfate, uncle
At least one in butylhydroperoxide.
Further, in different embodiments, it is described regulation acid include formic acid, acetic acid, citric acid, phosphoric acid at least
It is a kind of.
Further, in different embodiments, the neutralization alkali is sodium carbonate, sodium acid carbonate, sodium acetate, NaOH
In at least one.
Further embodiment of the invention provides a kind of preparation method of above-mentioned hydrophobic type stiffening agent, including following step
Suddenly：
2~5 parts of dispersion stabilizer, 43~53 parts of deionized water are added to reaction vessel；
88~94 DEG C are warming up to, are stirred 30~60 minutes with the speed of 180rpm~220rpm, form mixed solution；
After the dispersion stabilizer is dissolved completely in deionized water, 70~85 DEG C are cooled to；
0.4~1 part of regulation acid is added to the reaction vessel, is persistently stirred with the speed of 120rpm~150rpm, will be described
The pH value of mixed solution is adjusted to 3~6；
By initiator, 0.05~0.3 part adds to the reaction vessel；
70~85 DEG C are maintained the temperature at, 45~50 parts drop to the reaction vessel by comonomer, drip off within 3.5~5 hours；
85~95 DEG C are warming up to, 30~60 minutes are incubated；
Room temperature is cooled to, 0.1~0.6 part of alkali will be neutralized and added to the reaction vessel, the pH value of the mixed solution is adjusted
It is 6~9；
Stop stirring, filter rewinding, obtain the hydrophobic type stiffening agent；
Number above is referred to each component is all the quantity of weight portion (mass parts).
Further embodiment of the invention provides a kind of application method of above-mentioned hydrophobic type stiffening agent, including following step
Suddenly：
Organic fluorine waterproof agent is mixed with water, waterproofing agent working solution is configured to；
Above-mentioned hydrophobic type stiffening agent is mixed with water, stiffening agent working solution is configured to；
By the waterproofing agent working solution with the stiffening agent working solution according to 1:1 mass ratio, is configured to hybrid working liquid；
Using two two roll process of leaching pending textile is rolled using the hybrid working immersion；
At a temperature of 150~210 DEG C, wet setting is carried out to the textile and is processed 40~80 seconds；
Obtain the textile after hard finishing.
Further, in the different embodiments of the application method of the hydrophobic type stiffening agent, the waterproofing agent work
The mass concentration of liquid is 10g/L~30g/L, and the mass concentration of the stiffening agent working solution is 10g/L~30g/L.
The present invention is mixed using the polyvinyl alcohol and modified polyvinylalcohol of alcoholysis degree high with deionized water, forms stably dispersing
Agent solution, then be added dropwise to the comonomers such as vinylacetate, forms hydrophobic type stiffening agent after copolyreaction, its hydrophily is poor,
Hydrophobicity is stronger, can be with organic fluorine waterproof agent one-bath finishing textile, and stiffening agent does not interfere with waterproofing agent during arrangement
Waterproof effect.
Relative to prior art, the advantage of the invention is that：There is provided a kind of hydrophobic type stiffening agent, it is adaptable to various fibrous faces
The hard finishing of material, the textile after being arranged using hydrophobic type stiffening agent of the invention has hardness high, elastic good, well-pressed abundant
Feel style.Hydrophobic type stiffening agent of the present invention can with organic fluorine waterproof agent one-bath finishing textile, during arrangement
Stiffening agent does not interfere with the waterproof effect of waterproofing agent, can further reduce operation, improves printing and dyeing efficiency, reduces printing and dyeing cost.
Meanwhile, the present invention provides a kind of preparation method and application method of hydrophobic type stiffening agent, and its step is simple, and process controllability is high,
It is low for equipment requirements, it is suitable for batch production.Additionally, the present invention is not used containing polyoxyethylated surfactant, therefore
Formaldehyde will not be produced in production and use, it is to avoid pollution environment.
Specific embodiment
Below with reference to embodiment, the technical scheme to a kind of hydrophobic type stiffening agent of the present invention makees further detailed
Thin description.
An embodiment of the invention provides a kind of hydrophobic type stiffening agent, and its preparing raw material component includes stably dispersing
Agent 2~5%；Comonomer 45~50%；Initiator 0.05~0.3%；Regulation acid 0.4~1%；Neutralize alkali 0.1~0.6%；
Deionized water 43~53%；Percentage above is referred to preparing raw material component is weight percentage.
The dispersion stabilizer includes polyvinyl alcohol and modified polyvinylalcohol, and the mass ratio of the two is 1：1；The polyethylene
Alcohol includes polyvinyl alcohol 0599, and polyvinyl alcohol 1799, polyvinyl alcohol 2499, at least one in polyvinyl alcohol 2699 is modified poly-
Vinyl alcohol is vinyl hydrophobically modified polyvinyl alcohol RS-1717.
The component of the comonomer includes：Vinylacetate 45~78%；Butyl acrylate 5~20%；Metering system
Sour isobornyl thiocyanoacetate 10~25%；Octadecyl acrylate 5~11%；Dimethylaminoethyl methacrylate 2~5%；Above is referred to
The percentage of component is weight percentage.
An embodiment of the invention provides a kind of preparation method of hydrophobic type stiffening agent, is set below with reference to multiple
The specific embodiment of meter hydrophobic type stiffening agent and preparation method thereof, the present invention will be further described.
Embodiment 1
Step S101) 2 parts of dispersion stabilizer, 52.45 parts of deionized water are added to reaction vessel；Dispersion stabilizer includes 1
Part polyvinyl alcohol 0599 and 1 part of modified polyvinylalcohol RS-1717.
Step S102) 88 DEG C are warming up to, stirred 30 minutes with the speed of 180rpm~220rpm, form mixed solution.
Step S103) after the dispersion stabilizer is dissolved completely in deionized water, it is cooled to 70 DEG C.
Step S104) 0.4 part of regulation acid is added to the reaction vessel, persistently stirred with the speed of 120rpm~150rpm
Mix, the pH value of the mixed solution is adjusted to 6；For the ease of regulation, regulation acid is added to use dropwise addition mode, the tune
Section acid is formic acid.
Step S105) 0.05 part of initiator is added to the reaction vessel；The initiator is ammonium persulfate.
Step S106) 70 DEG C are kept the temperature at, by comonomer, 45 parts drop to the reaction vessel, drip within 3.5 hours
It is complete；45 parts of comonomers include：35.1 parts of vinylacetate, 2.25 parts of butyl acrylate, isobornyl methacrylate 4.5
Part, 4.5 parts of octadecyl acrylate, 0.9 part of dimethylaminoethyl methacrylate；The reaction is exothermic reaction, in course of reaction
By temperature control between 78~80 DEG C.
Step S107) 85 DEG C are warming up to, it is incubated 30 minutes.
Step S108) room temperature is cooled to, 0.1 part of alkali will be neutralized and added to the reaction vessel, by the mixed solution
PH value is adjusted to 6；For the ease of regulation, neutralization alkali is added to use dropwise addition mode, the neutralization alkali is sodium carbonate.
Step S109) stop stirring, rewinding is filtered, obtain the first hydrophobic type stiffening agent.
Number above is referred to each component is all the quantity of weight portion (mass parts).
Embodiment 2
Step S201) 3 parts of dispersion stabilizer, 50.1 parts of deionized water are added to reaction vessel；Dispersion stabilizer includes 1.5
Part polyvinyl alcohol 1799 and 1.5 parts of modified polyvinylalcohol RS-1717.
Step S202) 90 DEG C are warming up to, stirred 40 minutes with the speed of 180rpm~220rpm, form mixed solution.
Step S203) after the dispersion stabilizer is dissolved completely in deionized water, it is cooled to 75 DEG C.
Step S204) 0.6 part of regulation acid is added to the reaction vessel, persistently stirred with the speed of 120rpm~150rpm
Mix, the pH value of the mixed solution is adjusted to 5；For the ease of regulation, regulation acid is added to use dropwise addition mode, the tune
Section acid is acetic acid.
Step S205) 0.1 part of initiator is added to the reaction vessel；The initiator is sodium peroxydisulfate.
Step S206) 75 DEG C are kept the temperature at, by comonomer, 46 parts drop to the reaction vessel, drip off within 4 hours；
46 parts of comonomers include：29.9 parts of vinylacetate, 4.6 parts of butyl acrylate, 6.9 parts of isobornyl methacrylate,
3.22 parts of octadecyl acrylate, 1.38 parts of dimethylaminoethyl methacrylate；The reaction is exothermic reaction, will in course of reaction
Temperature control is between 78~80 DEG C.
Step S207) 88 DEG C are warming up to, it is incubated 40 minutes.
Step S208) room temperature is cooled to, 0.2 part of alkali will be neutralized and added to the reaction vessel, by the mixed solution
PH value is adjusted to 7；For the ease of regulation, neutralization alkali is added to use dropwise addition mode, the neutralization alkali is sodium acid carbonate.
Step S209) stop stirring, rewinding is filtered, obtain second hydrophobic type stiffening agent.
Number above is referred to each component is all the quantity of weight portion (mass parts).
Embodiment 3
Step S301) 4 parts of dispersion stabilizer, 46.6 parts of deionized water are added to reaction vessel；Dispersion stabilizer includes 2 parts
Polyvinyl alcohol 1799 and 2 parts of modified polyvinylalcohol RS-1717.
Step S302) 92 DEG C are warming up to, stirred 50 minutes with the speed of 180rpm~220rpm, form mixed solution.
Step S303) after the dispersion stabilizer is dissolved completely in deionized water, it is cooled to 80 DEG C.
Step S304) 0.8 part of regulation acid is added to the reaction vessel, persistently stirred with the speed of 120rpm~150rpm
Mix, the pH value of the mixed solution is adjusted to 4；For the ease of regulation, regulation acid is added to use dropwise addition mode, the tune
Section acid is citric acid.
Step S305) 0.2 part of initiator is added to the reaction vessel；The initiator is potassium peroxydisulfate.
Step S306) 80 DEG C are kept the temperature at, by comonomer, 48 parts drop to the reaction vessel, drip within 4.5 hours
It is complete；48 parts of comonomers include：24.96 parts of vinylacetate, 7.2 parts of butyl acrylate, isobornyl methacrylate 9.6
Part, 4.32 parts of octadecyl acrylate, 1.92 parts of dimethylaminoethyl methacrylate；The reaction is exothermic reaction, course of reaction
It is middle by temperature control between 80~82 DEG C.
Step S307) 91 DEG C are warming up to, it is incubated 50 minutes.
Step S308) room temperature is cooled to, 0.4 part of alkali will be neutralized and added to the reaction vessel, by the mixed solution
PH value is adjusted to 8；For the ease of regulation, neutralization alkali is added to use dropwise addition mode, the neutralization alkali is sodium acetate.
Step S309) stop stirring, rewinding is filtered, obtain the third hydrophobic type stiffening agent.
Number above is referred to each component is all the quantity of weight portion (mass parts).
Embodiment 4
Step S401) 5 parts of dispersion stabilizer, 43.1 parts of deionized water are added to reaction vessel；Dispersion stabilizer includes 2.5
Part modified polyvinylalcohol RS-2117 and 2.5 parts of modified polyvinylalcohol RS-1717.
Step S402) 94 DEG C are warming up to, stirred 50 minutes with the speed of 180rpm~220rpm, form mixed solution.
Step S403) after the dispersion stabilizer is dissolved completely in deionized water, it is cooled to 85 DEG C.
Step S404) 1 part of regulation acid is added to the reaction vessel, persistently stirred with the speed of 120rpm~150rpm
Mix, the pH value of the mixed solution is adjusted to 3；For the ease of regulation, regulation acid is added to use dropwise addition mode, the tune
Section acid is phosphoric acid.
Step S405) 0.3 part of initiator is added to the reaction vessel；The initiator is TBHP.
Step S406) 85 DEG C are kept the temperature at, by comonomer, 50 parts drop to the reaction vessel, drip off within 5 hours；
50 parts of comonomers include：22.5 parts of vinylacetate, 8.5 parts of butyl acrylate, 11 parts of isobornyl methacrylate, third
5.5 parts of olefin(e) acid octadecyl ester, 2.5 parts of dimethylaminoethyl methacrylate；The reaction is exothermic reaction, by temperature in course of reaction
Control is between 82~85 DEG C.
Step S407) 95 DEG C are warming up to, it is incubated 60 minutes.
Step S408) room temperature is cooled to, 0.6 part of alkali will be neutralized and added to the reaction vessel, by the mixed solution
PH value is adjusted to 9；For the ease of regulation, neutralization alkali is added to use dropwise addition mode, the neutralization alkali is NaOH.
Step S409) stop stirring, rewinding is filtered, obtain the 4th kind of hydrophobic type stiffening agent.
Number above is referred to each component is all the quantity of weight portion (mass parts).
Further embodiment of the invention provides a kind of application method of hydrophobic type stiffening agent, specifically includes as follows
The step of S501)~step S506).
Step S501) organic fluorine waterproof agent is mixed with water, it is configured to waterproofing agent working solution；The waterproofing agent working solution
Mass concentration is 10g/L~30g/L.
Step S502) above-mentioned hydrophobic type stiffening agent is mixed with water, it is configured to stiffening agent working solution；, the stiffening agent work
The mass concentration for making liquid is 10g/L~30g/L.
Step S503) by the waterproofing agent working solution with the stiffening agent working solution according to 1:1 mass ratio, is configured to mix
Close working solution.
Step S504) roll pending textile using the hybrid working immersion using two two roll process of leaching.
Step S505) at a temperature of 150~210 DEG C, wet setting is carried out to the textile and is processed 40~80 seconds.It is right
In wollen fabrics, at a temperature of 170 DEG C, wet setting is carried out to it and is processed 60 seconds：For Polyester Textiles, at 190 DEG C
At a temperature of, wet setting is carried out to it and is processed 60 seconds.
Step S506) obtain the textile after hard finishing.
Four kinds of hydrophobic type stiffening agents that embodiment 1,2,3,4 is obtained, with reference to step S501)~step S506), it is applied to
In the hard finishing technique of textile, the stability of hybrid working liquid is observed, and the textile tested after hard finishing is stiffening
Degree and waterproof effect, if necessary, also moisture regain treatment will be carried out in test process to textile.
The test of sample stiffness is according to standard GB/T 18318.1-209《The measure of textile bending property first
Point：Inclined plane method》, it is measured using the automatic stiffness test instruments of LFY-207；Waterproof test is according to standard GB/T 4745-2012
《The detection and evaluation of textile water proof performance get wet method》, it is measured using spray equipment.In test process, can select
The polyvinyl acetate stiffening agent PM-192 of certain company is as a comparison sample, is carried out with bath from organic fluorine waterproof agent LS-410
Experimental Comparison, contrast test result is referring to subordinate list 1.
The effect table of comparisons after the stiffening agent of table 1 and waterproofing agent one-bath finishing.
Knowable to the data of table 1, the hydrophobic type stiffening agent that embodiment 1~4 is obtained in the present invention mixes with waterproofing agent, whole with bath
Textile after reason, either wollen fabrics or Polyester Textiles, after its stiffness will be arranged higher than existing stiffening agent
Textile, endures with all one's will effect more preferably, can obtain preferably very elasticity and feel.Additionally, existing stiffening agent and waterproofing agent with bath at
Reason textile, the water resistance of textile substantially reduces larger, it is easier to get damp again；And four embodiments of the invention, with waterproof
Agent does not have significant change, the waterproof effect of textile is not interfered with substantially with bath treatment textile, the water resistance of textile.
The present invention is mixed using the polyvinyl alcohol and modified polyvinylalcohol of alcoholysis degree high with deionized water, forms stably dispersing
Agent solution, then be added dropwise to the comonomers such as vinylacetate, forms hydrophobic type stiffening agent after copolyreaction, its hydrophily is poor,
Hydrophobicity is stronger, can be with organic fluorine waterproof agent one-bath finishing textile, and stiffening agent does not interfere with waterproofing agent during arrangement
Waterproof effect.
Relative to prior art, the advantage of the invention is that：There is provided a kind of hydrophobic type stiffening agent, it is adaptable to various fibrous faces
The hard finishing of material, the textile after being arranged using hydrophobic type stiffening agent of the invention has hardness high, elastic good, well-pressed abundant
Feel style.Hydrophobic type stiffening agent of the present invention can with organic fluorine waterproof agent one-bath finishing textile, during arrangement
Stiffening agent does not interfere with the waterproof effect of waterproofing agent, can further reduce operation, improves printing and dyeing efficiency, reduces printing and dyeing cost.
Meanwhile, the present invention provides a kind of preparation method and application method of hydrophobic type stiffening agent, and its step is simple, and process controllability is high,
It is low for equipment requirements, it is suitable for batch production.Additionally, the present invention is not used containing polyoxyethylated surfactant, therefore
Formaldehyde will not be produced in production and use, it is to avoid pollution environment.
Technical scope of the invention is not limited solely to the content in described above, and those skilled in the art can not take off
On the premise of the technology of the present invention thought, many variations and modifications are carried out to above-described embodiment, and these deformations and modification all should
When being within the scope of the present invention.
Claims (10)
1. a kind of hydrophobic type stiffening agent；Characterized in that, its preparing raw material component includes：
Dispersion stabilizer 2~5%；
Comonomer 45~50%；
Initiator 0.05~0.3%；
Regulation acid 0.4~1%；
Neutralize alkali 0.1~0.6%；
Deionized water 43~53%；
Percentage above is referred to preparing raw material component is weight percentage.
2. hydrophobic type stiffening agent according to claim 1；Characterized in that, the dispersion stabilizer include polyvinyl alcohol and
Modified polyvinylalcohol, the polyvinyl alcohol is 1 with the mass ratio of the modified polyvinylalcohol：1；Or, including two kinds of polyethylene
Alcohol, two kinds of mass ratioes of polyvinyl alcohol are 1：1；Or, including two kinds of modified polyvinylalcohols, two kinds of quality of modified polyvinylalcohol
Than being 1：1.
3. hydrophobic type stiffening agent according to claim 2；Characterized in that, the polyvinyl alcohol includes polyvinyl alcohol
0599th, at least one in polyvinyl alcohol 1799, polyvinyl alcohol 2499 or polyvinyl alcohol 2699；Modified polyvinylalcohol is vinyl
Hydrophobically modified polyvinyl alcohol RS-1717.
4. hydrophobic type stiffening agent according to claim 1, it is characterised in that the component of the comonomer includes：
Vinylacetate 45~78%；
Butyl acrylate 5~20%；
Isobornyl methacrylate 10~25%；
Octadecyl acrylate 5~11%；
Dimethylaminoethyl methacrylate 2~5%；
Percentage above is referred to component is weight percentage.
5. hydrophobic type stiffening agent according to claim 1, it is characterised in that the initiator includes ammonium persulfate, over cure
At least one in sour sodium, potassium peroxydisulfate, TBHP.
6. hydrophobic type stiffening agent according to claim 1；Characterized in that, the regulation acid includes formic acid, acetic acid, lemon
At least one in acid, phosphoric acid.
7. hydrophobic type stiffening agent according to claim 1；Characterized in that, the neutralization alkali is sodium carbonate, sodium acid carbonate,
Sodium acetate, at least one in NaOH.
8. the preparation method of hydrophobic type stiffening agent of the one kind according to any one of claim 1 ~ 7；Characterized in that, it is wrapped
Include following steps：
2 ~ 5 parts of dispersion stabilizer, 43~53 parts of deionized water are added to reaction vessel；
88 ~ 94 DEG C are warming up to, are stirred 30 ~ 60 minutes with the speed of 180rpm ~ 220rpm, form mixed solution；
After the dispersion stabilizer is dissolved completely in deionized water, 70 ~ 85 DEG C are cooled to；
0.4~1 part of regulation acid is added to the reaction vessel, is persistently stirred with the speed of 120rpm ~ 150rpm, will be described mixed
The pH value for closing solution is adjusted to 3~6；
By initiator, 0.05~0.3 part adds to the reaction vessel；
70 ~ 85 DEG C are maintained the temperature at, 45~50 parts drop to the reaction vessel by comonomer, drip off within 3.5 ~ 5 hours；
85 ~ 95 DEG C are warming up to, 30 ~ 60 minutes are incubated；
Room temperature is cooled to, 0.1~0.6 part of alkali will be neutralized and added to the reaction vessel, the pH value of the mixed solution is adjusted
It is 6~9；
Stop stirring, filter rewinding, obtain the hydrophobic type stiffening agent；
Number above is referred to each component is all the quantity of weight portion.
9. a kind of application method of hydrophobic type stiffening agent；Characterized in that, it is comprised the following steps：
Organic fluorine waterproof agent is mixed with water, waterproofing agent working solution is configured to；
Hydrophobic type stiffening agent that will be according to any one of claim 1 ~ 7 mixes with water, is configured to stiffening agent working solution；
By the waterproofing agent working solution with the stiffening agent working solution according to 1:1 mass ratio, is configured to hybrid working liquid；
Using two two roll process of leaching pending textile is rolled using the hybrid working immersion；
At a temperature of 150 ~ 210 DEG C, wet setting is carried out to the textile and is processed 40 ~ 80 seconds；
Obtain the textile after hard finishing.
10. the application method of a kind of hydrophobic type stiffening agent according to claim 9；Characterized in that, the waterproofing agent work
Make the mass concentration of liquid for 10 g/L ~ 30g/L, the mass concentration of the stiffening agent working solution is 10 g/L ~ 30g/L.
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| CN109112835A (en) * | 2018-07-19 | 2019-01-01 | 上海应用技术大学 | It is a kind of to bathe the cationic stiffening agent and preparation method thereof used together with fluorine system waterproofing agent |
| CN111171211A (en) * | 2020-01-09 | 2020-05-19 | 纳派化学(上海)有限公司 | Low-moisture-regain ultrahigh-crosslinking-degree environment-friendly stiffening agent and preparation method thereof |
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| CN111171211A (en) * | 2020-01-09 | 2020-05-19 | 纳派化学(上海)有限公司 | Low-moisture-regain ultrahigh-crosslinking-degree environment-friendly stiffening agent and preparation method thereof |
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