CN111206430A - Low-temperature fabric stiffening finishing agent composition and preparation method and application thereof - Google Patents
Low-temperature fabric stiffening finishing agent composition and preparation method and application thereof Download PDFInfo
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- CN111206430A CN111206430A CN201811394573.1A CN201811394573A CN111206430A CN 111206430 A CN111206430 A CN 111206430A CN 201811394573 A CN201811394573 A CN 201811394573A CN 111206430 A CN111206430 A CN 111206430A
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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
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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
- D06M15/01—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
- D06M15/05—Cellulose 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
- 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
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters 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
- D06M15/19—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
- D06M15/507—Polyesters
Abstract
The invention relates to a low-temperature fabric stiffening finishing agent composition and a preparation method thereof. The stiffening agent comprises: 1) 15-35% by weight of a polyurethane-modified polyacrylate; 2)10-25 wt% water-soluble polyester; 3)0.2-3 wt% nanocrystalline cellulose; 4)1-5 wt% accelerator; and 5)35 to 60 weight percent water, based on the total weight of the low temperature fabric stiffening finish composition. The fabric stiffening finishing agent prepared by the invention does not contain formaldehyde, has good stability, high low-temperature film forming strength, good compactness and continuity and wide adaptability, and can be used for stiffening finishing of various fabrics. The finished fabric has good stiffening effect, no softening, good elasticity and good washability, and does not influence the wet rubbing fastness of the fabric.
Description
Technical Field
The invention relates to a fabric stiffening finishing agent composition, a preparation method and application thereof, in particular to a low-temperature fabric stiffening finishing agent composition, a preparation method and application thereof.
Background
The fabric stiffening finishing agent is an important style finishing auxiliary agent, and is widely applied to decorative fabrics, in particular to the after-finishing of window curtain cloth, case cloth and warp knitting fabrics. At present, the commonly used stiffening agents in China comprise melamine resins, polyvinyl acetate esters, polyacrylate stiffening agents and the like.
The stiffness of the fabric finished by the melamine resin stiffening agent is high, but the finished fabric easily releases free formaldehyde, for example, patent publication CN 105178004A discloses a low formaldehyde-releasing melamine stiffening agent, although the stiffening agent is a low formaldehyde stiffening agent, the formaldehyde release amount of the stiffening agent is still higher than 100ppm, which can affect the health of producers and users.
Patent publication CN103757909A discloses a polyvinyl acetate stiffening agent which contains a large amount of vinyl acetate and has good stiffness. However, the polyvinyl acetate emulsion has poor cold resistance, is easy to break and coagulate at low temperature, has poor mechanical stability, short storage period, poor toughness after film forming and curing of the emulsion, and coarse and hard hand feeling and poor scratch resistance of the finished fabric.
Patent publication CN106749956A discloses a polyacrylate stiffening agent, which has the advantages of good water resistance, weather resistance, mechanical properties, good film forming property, strong adhesion, etc., but the stiffening agent uses styrene as the main hard monomer, and if the reaction is not complete, the styrene monomer is easy to remain, which is not beneficial to the use of the product, and the polyacrylate has the defect of hot adhesion and cold brittleness, so the use of the polyacrylate is limited.
Patent publication CN105019249A discloses a waterborne polyurethane stiffening agent, which has a series of advantages of strong adhesive force, good flexibility, elasticity, wear resistance, stretchability and adhesion, but has disadvantages in water resistance and solvent resistance.
Generally, technicians can easily combine polyacrylate, polyurethane and polyvinyl acetate stiffening agents, which seems to make up for the defects of various stiffening agents and solve the existing defects. However, the use temperature of the stiffening agent is higher than 150 ℃ to form a film so as to obtain a good stiffening effect, the washability of the finished fabric is still insufficient, the fabric absorbs moisture and softens after long-term use, and the stiffness is seriously reduced.
Therefore, there is a strong need in the art for a fabric stiffening finish composition that is formaldehyde free, stable, effective in stiffening, non-softening, elastic, wash durable, has high wet rubbing fastness, and can be formed into a film at temperatures below 100 ℃.
Disclosure of Invention
In order to achieve the above objects, one aspect of the present invention provides a low temperature fabric stiffening finish composition comprising:
1) 15-35% by weight of a polyurethane-modified poly (meth) acrylate;
2)10-25 wt% water-soluble polyester;
3)0.2-3 wt% nanocrystalline cellulose;
4)1-5 wt% accelerator; and
5)35 to 60 weight percent water, based on the total weight of the warm fabric stiffening finish composition.
Another aspect of the present invention is to provide a method for preparing the above low-temperature fabric stiffening finish composition, which comprises the steps of:
1) preparing the waterborne polyurethane modified poly (methyl) acrylate emulsion.
2) Adding water-soluble polyester, nanocrystalline cellulose, accelerator and water to the polyurethane-modified poly (meth) acrylate emulsion in the above step 1), and
3) and stirring uniformly to obtain the low-temperature fabric stiffening finishing agent composition.
Another aspect of the present invention is to provide the use of the low temperature fabric stiffening finish composition described above in the fabric stiffening finish.
The textile stiffening finishing agent disclosed by the invention does not contain formaldehyde, is good in stability, and has high film forming strength, good compactness and good continuity when being acted on a textile together with polyester, an accelerant and nano microcrystalline cellulose. Can be used and formed into a film at the temperature of less than 100 ℃, and reduces energy consumption. The stiffening agent has wide adaptability, can be used for stiffening finishing of various fabrics, and the finished fabrics have good stiffening effect, do not soften, have good elasticity and good washability and do not influence the wet rubbing fastness of the fabrics.
Compared with the stiffening agent method which is disclosed at present, the invention has the originality in the following aspects: 1) does not contain formaldehyde; 2) the waterborne polyurethane and the poly (methyl) acrylate are combined, the advantages of the waterborne polyurethane and the poly (methyl) acrylate are obtained, and the obtained stiffening agent has good stability, high film forming strength and good elasticity; 3) the crosslinking monomer and the accelerator are introduced, so that the prepared waterborne polyurethane modified acrylate stiffening agent has high crosslinking density, good adhesive force and good washability on the fabric, and the wet rubbing fastness of the fabric is not influenced after the waterborne polyurethane modified acrylate stiffening agent is used; 4) the nano water-soluble polyester is introduced, so that the nano water-soluble polyester can penetrate into the fabric, and the film forming is promoted, so that the stiffness of the fabric is further improved; 5) the nano microcrystalline cellulose is introduced, so that the stability of the emulsion is improved, and the rubbing fastness of the fabric is improved. The preparation process of the invention is easy to control, and the prepared fabric stiffening finishing agent has good stiffening effect on the fabric and good washability.
Detailed Description
In a preferred embodiment, the low temperature fabric stiffening finish composition of the present invention comprises:
1)20-30 wt% of an aqueous polyurethane modified poly (meth) acrylate;
2)15-20 wt% water-soluble polyester;
3)0.5-2 wt% nanocrystalline cellulose;
4)2-3 wt% accelerator; and
5) from 40 to 55 weight percent water, based on the total weight of the warm fabric stiffening finish composition.
In a more preferred embodiment, the aqueous polyurethane modified poly (meth) acrylate has a weight average molecular weight of 10000-40000, preferably 12000-30000. The aqueous polyurethane-modified poly (meth) acrylate is preferably an aqueous polyurethane-modified branched poly (meth) acrylate.
In a particularly preferred embodiment, the urethane-modified branched poly (meth) acrylate comprises a hydroxy (meth) acrylate1-3Alkyl ester modified aqueous polyurethane copolymerized unit, (methyl) acrylic acid C1-12An alkyl ester copolymerized unit and a polyester multi (meth) acrylate copolymerized unit, wherein the mass ratio of the three copolymerized units is 25 to 50: 45-65: 5-15.
In a more particularly preferred embodiment, the (meth) acrylic acid C1-12The alkyl ester includes methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, (iso) butyl (meth) acrylate, cyclohexyl (meth) acrylateAnd isobornyl (meth) acrylate or mixtures thereof. The polyol poly (meth) acrylate includes trimethylolpropane triacrylate, pentaerythritol triacrylate, and 3- (ethoxy) trimethylolpropane triacrylate, or mixtures thereof.
In a particularly preferred embodiment, the aqueous polyurethane-modified branched polyacrylate may be prepared by reacting a hydroxyl group of (meth) acrylic acid1-3Alkyl ester modified aqueous polyurethane, (meth) acrylic acid C1-12Emulsion polymerization of alkyl and poly ester poly (meth) acrylates, for example, can be prepared by a process comprising the steps of:
1) dropwise adding metered (methyl) acrylic acid hydroxyl C into the waterborne polyurethane prepolymer at 60-80 DEG C1-3Keeping the temperature of the alcoholic solution of the alkyl ester for 1-3h, adjusting the viscosity of the system by acetone in the reaction process, cooling to 40-50 ℃, neutralizing by triethylamine, reacting for 0.5-1h, cooling to room temperature, adding water, stirring at high speed for water dispersion, and finally decompressing to remove the acetone to obtain the (methyl) acrylic acid hydroxy C1-3An alkyl ester modified aqueous polyurethane dispersion.
2) Adding (meth) acrylic acid C to the above step 1)1-12And (3) heating an alkyl ester comonomer and a polyol ester multi (methyl) acrylate crosslinking monomer to 70 ℃, stirring and swelling for 1-3h to obtain the waterborne polyurethane modified branched poly (methyl) acrylate pre-emulsion.
3) 1/3, heating the pre-emulsion obtained in the step 2) to 70-90 ℃, dripping 1/3 amount of free radical initiator, finishing dripping within 0.5-1h, preserving heat for 1-3h, then simultaneously dripping the rest pre-emulsion and the initiator within 0.5-2h, preserving heat for 1-3h, and obtaining the waterborne polyurethane modified poly (methyl) acrylate emulsion.
Then, adding water-soluble polyester, nano microcrystalline cellulose and an accelerant into the waterborne polyurethane modified poly (methyl) acrylate emulsion prepared in the step, and uniformly stirring to obtain the fabric stiffening finishing agent composition.
In a preferred embodiment, the water-soluble polyester is poly (phthalic acid) C2-4Alkylene glycol esters, e.g. obtained by polycondensation of terephthalic acid and ethylene glycolA water-based polyester. The particle size after dissolving in water is less than 100nm, preferably 20-80 nm. The weight-average molecular weight is 5000-.
In a preferred embodiment, the nanocrystalline cellulose has a particle size, after dissolution in water, of less than 100nm, preferably 20-80 nm. The nanocrystalline cellulose is preferably obtained by acid hydrolysis of the microcrystalline cellulose with a strong inorganic acid (e.g., concentrated sulfuric acid).
In a preferred embodiment, the accelerator is a ketoxime blocked aromatic diisocyanate having a deblocking temperature of less than 100 ℃, preferably an aliphatic or alicyclic ketoxime blocked aromatic diisocyanate, such as methyl ethyl ketoxime blocked toluene diisocyanate or methyl ethyl ketoxime blocked benzene diisocyanate.
The low-temperature fabric stiffening finishing agent composition has the advantages of stable reaction, high yield, good emulsion stability, high film forming strength, good compactness and continuity, good stiffening effect on fabrics and good washability.
Examples
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Raw materials used in the examples: the waterborne polyurethane prepolymer is a Toluene Diisocyanate (TDI) polyester prepolymer and is purchased from Tantario corporation; polyethylene terephthalate with the weight-average molecular weight of 10000-15000, the particle size of 75nm after being dissolved in water, and purchased from the Jinan Tang color chemical industry; the nanometer microcrystalline cellulose is prepared by self-preparation, and is obtained by acidolysis of microcrystalline cellulose by concentrated sulfuric acid, and the particle size is 70nm (the preparation method refers to application of cellulose whiskers in Chenyixiu, Zhao shou, Yanke road in wool anti-felting finishing [ J ] wool spinning technology, 2013,41 (3): 6-9); the blocked isocyanate is methyl ethyl ketoxime blocked Toluene Diisocyanate (TDI) (the preparation method is referred to: Liaver, Van der Lihuining, etc.. methyl ethyl ketone oxime blocks the synthesis and characterization of the water-based polyisocyanate [ J ]. novel chemical materials, 2013,41(8): 151-. Fabric: polyester/cotton yarn card: 126 60210 g per square meter; cotton yarn clipping: 126 60210 g per square meter; polyester oxford: 600 × 600200 g/square meter; black/red plain: 133 x 100135 g per square meter; black/red flannelette: 32S 200 g/square meter.
The performance measurement and the application effect in each example were measured and evaluated as follows:
1. storage stability
Storing at room temperature, and observing whether delamination or precipitation occurs after 6 months.
○ not demixing and not precipitating at all
△ slight precipitation by separation
X separation of many precipitates
2. The fabric treatment process comprises the following steps:
the amount of stiffening agent used was 50g/l.
The first process comprises the following steps: one dip and one roll at 90 ℃ for 2 min.
And a second process: one dip and one roll at 160 ℃ for 2 min.
3. Hardness test standard and method for prepared product
The stiffness test method is determined according to GB/T18318-2001 determination of the bending length of textile fabrics;
the wet rubbing fastness test method is determined according to GB/T3920 and 2008 textile color fastness test rubbing color fastness.
4. The washing method was carried out according to AATCC 135.
5. Weight average molecular weight determination: measured by HLC-8320GPC type gel permeation chromatography (Nippon Tosoh Co., Ltd.) with DMF as the mobile phase at 25 ℃ and polymethyl methacrylate (PMMA) as the reference.
Example 1
Adding 50g of the waterborne polyurethane prepolymer into a four-neck flask provided with a stirrer, a thermometer and a reflux condenser, heating to 70 ℃, dropwise adding 3g of an ethanol solution of hydroxyethyl acrylate, keeping the temperature for 1.5h after dropwise adding, adjusting the viscosity of the system with acetone during the reaction process, cooling to 40-50 ℃, neutralizing with triethylamine, reacting for 1h, cooling to room temperature, adding 180g of water, stirring at a high speed for water dispersion, and finally decompressing and removing acetone to obtain the methacrylate modified waterborne polyurethane dispersoid.
50g of methyl methacrylate, 8g of butyl acrylate and 9g of pentaerythritol triacrylate were added to the dispersion and stirred to swell it, giving a stiffening agent pre-emulsion.
Heating 100g of the pre-emulsion to 80 ℃, dropwise adding 0.5g of azodiisobutyramidine hydrochloride dissolved in 5g of water, dropwise adding the mixture within 0.5h, keeping the temperature for 2h, then dropwise adding the remaining 200g of the pre-emulsion and 1g of azodiisobutyramidine hydrochloride dissolved in 10g of water simultaneously, dropwise adding the mixture within 1h, and keeping the temperature for 2.5 h. Cooling to room temperature (the weight-average molecular weight of the polyurethane modified poly (meth) acrylate product obtained by separation is 15000-25000, measured by the above method, 70g of polyethylene terephthalate, 5g of nano-microcrystalline cellulose and 48.5g of water are added, stirring is carried out for dissolution, cooling to room temperature, 10g of methyl ethyl ketoxime blocked Toluene Diisocyanate (TDI) which is deblocked at low temperature is added, and the stiffening agent 1 is obtained, wherein the performance and the application effect are shown in the attached table.
Example 2
Adding 32g of the waterborne polyurethane prepolymer into a four-neck flask provided with a stirrer, a thermometer and a reflux condenser, heating to 70 ℃, dropwise adding 2g of an ethanol solution of hydroxypropyl acrylate, keeping the temperature for 1h after dropwise adding, adjusting the viscosity of the system with acetone during the reaction process, cooling to 40-50 ℃, neutralizing with triethylamine, reacting for 0.5h, cooling to room temperature, adding 190g of water, stirring at a high speed for water dispersion, and finally decompressing and removing acetone to obtain the (meth) acrylate modified waterborne polyurethane dispersion.
To the above dispersion, 53g of methyl methacrylate, 7g of cyclohexyl acrylate, 5g of isobornyl acrylate, 8g of tripropylene trimethylolpropane and 3g of 3- (ethoxy) trimethylolpropane triacrylate were added, and stirred to swell, to obtain a stiffening agent pre-emulsion.
100g of the pre-emulsion is taken and heated to 75 ℃, 0.7g of azodiisobutyramidine hydrochloride dissolved in 7g of water is dripped after 0.5h, the temperature is kept for 1.5h, then the remaining 200g of the pre-emulsion and 1.3g of azodiisobutyramidine hydrochloride dissolved in 13g of water are dripped simultaneously after 1.5h, the temperature is kept for 3h, the temperature is reduced to room temperature (the measured weight average molecular weight of the polyurethane modified poly (methyl) acrylate product measured by the method is 14000-minus one 26000, 85g of polyethylene terephthalate and 8g of nano microcrystalline cellulose are added, 23g of water is cooled to room temperature after being dissolved, 12g of methyl ethyl ketoxime blocked Toluene Diisocyanate (TDI) which is deblocked at low temperature is added, and the stiffening agent 2 is obtained, and the performance and the application effect are shown in the attached table.
The examples are shown in tables 1-4 in comparison to commercially available stiffening agents.
TABLE 1 polyester/cotton yarn card
Stiffness cm
TABLE 2 Cotton yarn clip
Stiffness cm
TABLE 3 Terylene oxford
Stiffness cm
TABLE 4 Wet crocking fastness
As can be seen from the data in tables 1-3, compared with the commercial stiffening agent, the stiffening agent prepared by the invention has basically the same stiffening effect after being treated at 90 ℃ and 160 ℃ when different fabrics are finished, and the stiffening effect is obviously reduced when the fabrics are treated at 90 ℃ in the commercial sample. Moreover, after 10 times of household washing and no washing and placing, the fabric is not softened basically, still keeps good stiffness and shows good durability.
As can be seen from the data in Table 4, compared with the commercial stiffening agent, the low-temperature fabric stiffening finishing agent prepared by the invention does not affect the wet rubbing fastness of the fabric after finishing, and the fabric feels stiff and elastic after finishing.
Claims (10)
1. A low temperature fabric stiffening finish composition comprising:
1) 15-35% by weight of a polyurethane-modified poly (meth) acrylate;
2)10-25 wt% water-soluble polyester;
3)0.2-3 wt% nanocrystalline cellulose;
4)1-5 wt% accelerator; and
5)35 to 60 weight percent water, based on the total weight of the warm fabric stiffening finish composition.
2. The low temperature fabric stiffening finish composition of claim 1, comprising:
1)20-30 wt% of an aqueous polyurethane modified poly (meth) acrylate;
2)15-20 wt% water-soluble polyester;
3)0.5-2 wt% nanocrystalline cellulose;
4)2-3 wt% accelerator; and
5) from 40 to 55 weight percent water, based on the total weight of the warm fabric stiffening finish composition.
3. A low temperature fabric stiffening finish composition according to claim 1 or 2, wherein the weight average molecular weight of the urethane-modified poly (meth) acrylate is 10000-40000, preferably a urethane-modified branched poly (meth) acrylate.
4. The low temperature fabric stiffening finish composition of claim 3 wherein the urethane-modified branched poly (meth) acrylate comprises a hydroxyl group C (meth) acrylate1-3Alkyl ester-modified aqueous polyurethane copolymerized unit, (b) and (c)Meth) acrylic acid C1-12An alkyl ester copolymerized unit and a polyester multi (meth) acrylate copolymerized unit, wherein the mass ratio of the three copolymerized units is 25 to 50: 45-65: 5-15.
5. The low temperature fabric stiffening finish composition of claim 4 wherein the (meth) acrylic acid C1-12Alkyl esters include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, (iso) butyl (meth) acrylate, cyclohexyl (meth) acrylate, and isobornyl (meth) acrylate, or mixtures thereof, and the polyol poly (meth) acrylates include trimethylolpropane triacrylate, pentaerythritol triacrylate, and 3- (ethoxy) trimethylolpropane triacrylate, or mixtures thereof.
6. The low temperature fabric stiffening finish composition of claim 1 or 2 wherein the water soluble polyester is poly (C-phthalic acid)2-4The alkylene glycol ester has the particle size of less than 100nm after being dissolved in water, and the weight-average molecular weight of 5000-25000.
7. A low temperature fabric stiffening finish composition according to claim 1 or 2, wherein the nanocrystalline cellulose, when dissolved in water, has a particle size of less than 100 nm.
8. The low temperature fabric stiffening finish composition of claim 1 wherein the accelerator is a ketoxime blocked aromatic diisocyanate having a deblocking temperature of less than 100 ℃.
9. A method of making a low temperature fabric stiffening finish composition according to claims 1-8, comprising the steps of:
1) preparing the waterborne polyurethane modified poly (methyl) acrylate emulsion.
2) Adding water-soluble polyester, nanocrystalline cellulose, accelerator and water to the polyurethane-modified poly (meth) acrylate emulsion in the above step 1), and
3) and stirring uniformly to obtain the low-temperature fabric stiffening finishing agent composition.
10. Use of a low-temperature fabric stiffening finish composition according to claims 1 to 8 for the stiffening finishing of fabrics.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115506152A (en) * | 2022-09-14 | 2022-12-23 | 杭州传化精细化工有限公司 | Stiffening agent and preparation method and application thereof |
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| CN115506152B (en) * | 2022-09-14 | 2024-01-23 | 杭州传化精细化工有限公司 | Stiffening agent and preparation method and application thereof |
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