CN115162005A - Textile auxiliary for improving fabric hardness, preparation method and application thereof - Google Patents
Textile auxiliary for improving fabric hardness, preparation method and application thereof Download PDFInfo
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- CN115162005A CN115162005A CN202211020494.0A CN202211020494A CN115162005A CN 115162005 A CN115162005 A CN 115162005A CN 202211020494 A CN202211020494 A CN 202211020494A CN 115162005 A CN115162005 A CN 115162005A
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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
- D06M15/507—Polyesters
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/395—Isocyanates
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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
- D06M15/09—Cellulose ethers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The application relates to the field of textile processing, and particularly discloses a textile auxiliary for improving the hardness of a fabric, a preparation method and application thereof; a textile auxiliary for improving fabric hardness is prepared from the following raw materials in parts by weight: 25-35 parts of water-based polyester resin, 75-90 parts of water, 1-3 parts of dispersing agent, 1-5 parts of isocyanate and 1-3 parts of filling particles; the preparation method comprises the following steps: weighing the water-based polyester resin and water, mixing and stirring uniformly, then adding the filling particles and the dispersing agent, mixing and stirring uniformly, finally adding the isocyanate, and stirring uniformly to obtain a finished product; the application comprises the following steps: soaking the textile fabric in a textile auxiliary agent, then taking out the textile fabric, drying, and curing the textile auxiliary agent to form a film to obtain a finished product textile fabric; when the textile auxiliary is applied to the surface of textile, the finished textile has higher hardness.
Description
Technical Field
The application relates to the field of textile processing, in particular to a textile auxiliary for improving the hardness of a fabric, a preparation method and application thereof.
Background
The textile is generally made by spinning cotton, hemp, chinlon, terylene and other fibers, the product quality and added value of the textile are generally determined by the properties of the fiber raw material, if the finished textile is expected to have other added values beyond the properties of the fiber raw material, for example: crease-resistance, water resistance, antibiosis, antistatic property, flame retardance and the like, and textile is required to be subjected to surface treatment by adopting textile auxiliary agents.
When the case is prepared from cotton fibers, polyester fibers and polyamide fibers, the textile needs to have certain hardness, so that the case has higher bearing capacity and longer service life.
Therefore, how to prepare a textile auxiliary capable of improving the hardness of the fabric is a problem to be solved.
Disclosure of Invention
In order to prepare the textile auxiliary for improving the hardness of the fabric, the application provides the textile auxiliary for improving the hardness of the fabric, a preparation method and application thereof.
In a first aspect, the application provides a textile auxiliary for improving fabric hardness, which adopts the following technical scheme:
the textile auxiliary for improving the hardness of the fabric is prepared from the following raw materials in parts by weight: 25-35 parts of water-based polyester resin, 75-90 parts of water, 1-3 parts of dispersing agent, 1-5 parts of isocyanate and 1-3 parts of filling particles.
By adopting the technical scheme, the waterborne polyester resin, the filling particles, the dispersing agent and the isocyanate are matched to form the polyester resin film on the surface of the fabric, the polyester resin is used as a base, and the better crosslinking and curing effect of the isocyanate and the better dispersing performance of the dispersing agent are matched, so that the filling particles are stably and uniformly filled in a waterborne polyester resin crosslinking network, and the better mechanical strength of the filling particles is utilized to improve the strength of the finished polyester resin film, thereby further improving the hardness of the finished fabric.
Preferably, the filling particles are prepared by modifying hollow glass beads with ethylenediamine.
By adopting the technical scheme, the hollow glass beads and the ethylenediamine are matched, so that amino groups are attached to the surfaces of the hollow glass beads, the crosslinking effect of the amino groups and the water-based polyester resin is utilized to further promote the filling particles, the water-based polyester resin and the isocyanate to form a crosslinked network structure, the stability of the particles in the crosslinked network structure is further improved, and the higher hardness of the hollow glass beads is utilized to further improve the hardness of the finished fabric.
The hollow glass beads, the ethylenediamine, the water-based polyester resin and the isocyanate are matched, and the shrinkage of the textile auxiliary agent can be reduced by utilizing the high strength of the hollow glass beads and the compact cross-linked network structure, so that the polyester resin film attached to the surface of the fabric can be firmly and stably coated on the surface of the fabric, the hardness of the finished fabric is improved, and the service life of the finished fabric is prolonged.
Preferably, the dispersant is sodium dodecyl benzene sulfonate.
By adopting the technical scheme, the water-based polyester resin, the sodium dodecyl benzene sulfonate, the isocyanate and the filling particles are matched, and the compactness of a cross-linked network structure is further improved by utilizing the matching of hydroxyl in the water-based polyester resin with sulfonic acid groups in the sodium dodecyl benzene sulfonate, amino groups on the surfaces of the filling particles and the isocyanate, so that the hardness of a finished polyester resin film is improved; meanwhile, the sodium dodecyl benzene sulfonate can promote the uniform dispersion of the filling particles, promote the uniform contact of the water-based polyester resin and raw materials such as isocyanate and the like, improve the crosslinking density of the finished polyester resin film and further improve the hardness of the finished polyester resin film.
In a second aspect, the application provides a preparation method of a textile auxiliary for improving fabric hardness, which adopts the following technical scheme:
a preparation method of textile auxiliary for improving fabric hardness comprises the following steps:
weighing the water-based polyester resin and water, mixing and stirring uniformly, then adding the filling particles and the dispersing agent, mixing and stirring uniformly, finally adding the isocyanate, and stirring uniformly to obtain a finished product.
By adopting the technical scheme, the waterborne polyester substance is firstly uniformly mixed with water, then the filling particles and the dispersing agent are added, so that the dispersing agent is uniformly dispersed in the waterborne polyester resin, finally the isocyanate is added, after the textile auxiliary is attached to the surface of the fabric, the polyester resin film can be solidified on the surface of the fabric, the good coating property of the polyester resin film is utilized to match the good mechanical strength of the internal filling particles, the hardness of the polyester resin film is improved, and the hardness of the fabric is improved.
Preferably, the filling particles are prepared by the following method:
weighing hollow glass beads, soaking in ethylenediamine solution, taking out the hollow glass beads, and drying to obtain the finished product.
By adopting the technical scheme, the amino groups are uniformly loaded on the surfaces of the hollow glass beads, so that the crosslinking effect of the filling particles, the water-based polyester resin and the isocyanate is improved, and the finished product polyester resin film has better strength.
In a third aspect, the application provides an application of a textile auxiliary for improving fabric hardness, which adopts the following technical scheme:
the application of textile auxiliary for improving the hardness of fabric comprises the following steps:
soaking the textile fabric in a textile auxiliary agent, then taking out the textile fabric, drying, and curing the textile auxiliary agent to form a film to obtain a finished product textile fabric; textile auxiliaries the textile auxiliaries prepared by the process of claims 1 to 3 or the textile auxiliaries prepared by the process of claims 4 to 5 are used.
By adopting the technical scheme, the textile auxiliary is uniformly attached to the surface of the textile, and after drying, the textile auxiliary forms a coating on the surface of the textile, so that the surface hardness of the textile is improved.
Preferably, the textile fabric is a pretreated textile fabric, and the pretreated textile fabric is prepared by the following method:
preparing a textile, and uniformly spraying a sodium carboxymethyl cellulose solution on the surface of the textile, wherein the mass ratio of the textile to the sodium carboxymethyl cellulose solution is 1.1-0.3, so as to prepare a load textile; uniformly spraying coated silica gel particles on the surface of the loaded textile, wherein the mass ratio of the textile to the coated silica gel particles is 1.02-0.1, and thus obtaining the finished product of the pretreated textile.
Through adopting above-mentioned technical scheme, sodium carboxymethylcellulose solution, capsule silica gel granule, textile auxiliary cooperatees, utilize the better infiltration bonding effect of sodium carboxymethylcellulose, can permeate and produce the adhesive action on the fiber structure surface in textile fabric fiber structure, improve capsule silica gel granule and textile auxiliary at textile fabric surperficial bonding effect, avoid polyester resin to influence the stability of textile fabric surface tectorial membrane to the relatively poor adhesive effect of fibre as far as possible, make textile auxiliary can be comparatively stable and firm adhesion at dacron, fibre fabric surfaces such as polyamide fibre.
The sodium carboxymethyl cellulose solution, the coated silica gel particles and the textile auxiliary agent are matched, and the sodium carboxymethyl cellulose solution has better osmosis and bonding effects, so that the sodium carboxymethyl cellulose solution can easily enter a fiber network in the textile and is attached to the surface of the textile fiber; then coating silica gel particles are sprayed, and the coating silica gel particles are stably attached to the surface of the textile fiber by utilizing the better viscosity of the sodium carboxymethyl cellulose solution; finally, soaking the mixture in a textile auxiliary agent to coat the silica gel particles at intervals between the textile auxiliary agent and the sodium carboxymethyl cellulose solution; the better crosslinking effect of carboxyl in sodium carboxymethylcellulose and the water-based polyester resin, isocyanate and filling particles in textile auxiliary agents is utilized, and the fiber surface coated silica gel particles are used for bridging, so that the surface of textile fibers forms a three-dimensional crosslinked network structure, the bonding effect between the polyester resin and the fibers is improved, and the hardness of finished fabrics is further improved.
The coated silica gel particles, the filling particles, the sodium carboxymethyl cellulose solution, the water-based polyester resin and the isocyanate are matched, and the shrinkage degree of the polyester resin film on the surface of the textile fabric is reduced by utilizing the higher mechanical strength of the hollow glass microspheres in the filling particles and the better cross-linking effect of amino groups on the surface of the filling particles, the water-based polyester resin and the isocyanate; the polyester resin film has the advantages that the polyester resin film has good elasticity and can buffer and resist the shrinkage force, so that the film-coating bonding effect on the surface of the textile is not affected even if the polyester resin film partially shrinks; meanwhile, a three-dimensional cross-linked network structure formed by the sodium carboxymethylcellulose solution, the coated silica gel particles and the textile auxiliary is matched, so that the influence on the quality of the finished fabric when the textile auxiliary on the surface of the textile is cured and shrunk is further prevented, the polyester resin film on the surface of the finished fabric is high in bonding stability and good in bonding fastness and is not easy to shrink cracks, the service life of the polyester resin film on the surface of the textile is prolonged, the surface of the finished fabric can keep high hardness for a long time, and the service life of the finished fabric is prolonged.
Preferably, the sodium carboxymethyl cellulose solution is prepared by the following method:
weighing 1-3 parts of sodium carboxymethylcellulose and 120-180 parts of water by weight, dissolving, adding 1-5 parts of aqueous amino resin, and uniformly stirring to obtain a finished product.
By adopting the technical scheme, the sodium carboxymethyl cellulose, the aqueous amino resin, the aqueous polyester resin and the isocyanate are matched, carboxyl in the sodium carboxymethyl cellulose and amino in the aqueous amino resin are matched with the aqueous polyester resin and the isocyanate to form a cross-linked network, and the aqueous amino resin can further promote the textile auxiliary agent to be cured into a film, so that the hardness of the fabric is further improved.
After the cotton fiber is contacted with the sodium carboxymethyl cellulose solution, the surface hydroxyl of the cotton fiber is matched with carboxyl in the sodium carboxymethyl cellulose and amino in the water-based amino resin, so that the sodium carboxymethyl cellulose solution can permeate into a fiber network, a connecting bridge is formed between the fiber and the fiber, pores between the fiber are reduced, and the hardness of the finished fabric is further improved by matching the adhesion and bonding effects of the coated silica gel particles and the textile auxiliary agent.
Preferably, the coated silica gel particles are prepared by the following method:
weighing porous silica gel particles, soaking in water, and making into water-absorbing silica gel particles after water absorption saturation;
and (3) uniformly spraying polyethylene glycol liquid on the surfaces of the water-absorbing silica gel particles, drying, and solidifying the polyethylene glycol liquid into a polyethylene glycol film to obtain a finished product.
By adopting the technical scheme, after the porous silica gel particles absorb water and are saturated, polyethylene glycol liquid is attached to the surfaces of the porous silica gel particles, and the water absorbed in the porous silica gel particles is blocked in the pore structures by utilizing the coating effect of the polyethylene glycol film; when the textile auxiliary agent is heated and solidified, after the temperature reaches the melting point of polyethylene glycol, the polyethylene glycol film is gradually destroyed, and the moisture absorbed in the porous silica gel particles is gradually released to contact with the sodium carboxymethylcellulose solution; under the condition of temperature rise and solidification of the textile auxiliary, water in the sodium carboxymethyl cellulose solution is easy to gradually run off, the viscosity of the sodium carboxymethyl cellulose solution is quickly raised, cross-linking of water-based amino resin in the sodium carboxymethyl cellulose solution and the textile auxiliary is easy to influence, the water gradually released by the coated silica gel particles is utilized to slow down the water loss rate of the sodium carboxymethyl cellulose solution, cross-linking of the sodium carboxymethyl cellulose solution with water-based polyester resin and isocyanate is ensured, the adhesion stability of the textile auxiliary on the surface of a finished fabric is improved, and the hardness of the finished fabric is improved.
Preferably, the polyethylene glycol solution is prepared by heating and hot melting polyethylene glycol 2000.
By adopting the technical scheme, polyethylene glycol 2000 is adopted to prepare polyethylene glycol liquid, polyethylene glycol 2000 is solid at room temperature, so that a polyethylene glycol coating can be formed on the surface of porous silica gel particles, and when the textile auxiliary agent is heated and cured, the polyethylene glycol coating is gradually destroyed to gradually release water, so that the cross-linking of the sodium carboxymethyl cellulose solution and the water-based polyester resin is ensured, and the hardness of the finished fabric is improved.
The polyethylene glycol 2000, the sodium carboxymethyl cellulose solution, the water-based polyester resin and the isocyanate are matched, and hydroxyl in the polyethylene glycol, carboxyl in the sodium carboxymethyl cellulose and amino in the water-based amino resin can be subjected to a crosslinking reaction with the water-based polyester resin and the isocyanate, so that the coated porous silica gel particles, the sodium carboxymethyl cellulose solution and the textile auxiliary agent are better crosslinked, the stability of a three-dimensional network structure on the surface of the fabric is improved, and the surface hardness of the finished fabric is improved.
In summary, the present application has the following beneficial effects:
1. the waterborne polyester resin, the filling particles, the dispersing agent and the isocyanate are matched to form a polyester resin film on the surface of the fabric, the polyester resin is taken as a base, and the better crosslinking and curing effect of the isocyanate and the better dispersing performance of the dispersing agent are matched to ensure that the filling particles are stably filled in a waterborne polyester resin crosslinking network, and the better mechanical strength of the filling particles is utilized to improve the strength of the finished polyester resin film, so that the hardness of the finished fabric is further improved.
2. The sodium carboxymethyl cellulose solution, the coated silica gel particles and the textile auxiliary agent are matched, and by utilizing the better permeation and bonding effect of the sodium carboxymethyl cellulose, the sodium carboxymethyl cellulose can permeate in a textile fabric structure and generate a bonding effect on the surface of the fabric structure, so that the coated silica gel particles are promoted to be attached to the surface of the textile fabric, the textile auxiliary agent is promoted to be attached to the surface of the textile fabric, the bonding force of the water-based polyester resin and the surface of the fiber is improved, and the phenomenon that a coating film is peeled off due to the fact that the textile auxiliary agent is not stably attached to the surface of the textile fabric is avoided as much as possible.
3. The coated silica gel particles, the filling particles, the sodium carboxymethyl cellulose solution, the water-based polyester resin and the isocyanate are matched, and the shrinkage degree of the polyester resin film on the surface of the textile fabric is reduced by utilizing the higher mechanical strength of the hollow glass microspheres in the filling particles and the better crosslinking effect of amino groups on the surface of the filling particles, the water-based polyester resin and the isocyanate; the polyester resin film has the advantages that the polyester resin film has good elasticity and can buffer and resist the shrinkage force, so that the film-coating bonding effect on the surface of the textile is not affected even if the polyester resin film partially shrinks; meanwhile, a three-dimensional cross-linked network structure formed by the sodium carboxymethylcellulose solution, the coated silica gel particles and the textile auxiliary is matched, so that the influence on the quality of the finished fabric when the textile auxiliary on the surface of the textile is cured and shrunk is further prevented, the polyester resin film on the surface of the finished fabric is high in bonding stability and good in bonding fastness and is not easy to shrink cracks, the service life of the polyester resin film on the surface of the textile is prolonged, the surface of the finished fabric can keep high hardness for a long time, and the service life of the finished fabric is prolonged.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation example of filling particles
Preparation example 1: the filling particles are prepared by the following method:
weighing 1kg of hollow glass microspheres, placing the hollow glass microspheres in 5kg of ethylenediamine solution, soaking for 5min, performing ultrasonic dispersion on the hollow glass microspheres under the condition of 20kHz while soaking, wherein the particle size of the hollow glass microspheres is 100 microns, the ethylenediamine solution is an ethylenediamine aqueous solution with the mass fraction of 30%, filtering, taking out the hollow glass microspheres, and drying to obtain the finished product.
Preparation example of sodium carboxymethylcellulose solution
The following raw materials, namely the waterborne amino resin, are purchased from Xinli industry Co Ltd in Xinxiang city; other raw materials and equipment are all sold in the market.
Preparation example 2: the sodium carboxymethyl cellulose solution is prepared by the following method:
weighing 2kg of sodium carboxymethylcellulose and 150kg of water, mixing, stirring until the sodium carboxymethylcellulose is completely dissolved, adding 3kg of aqueous amino resin, and uniformly stirring to obtain a finished product.
Preparation example 3: the sodium carboxymethyl cellulose solution is prepared by the following method:
weighing 1kg of sodium carboxymethylcellulose and 120kg of water, mixing, stirring until the sodium carboxymethylcellulose is completely dissolved, adding 1kg of aqueous amino resin, and uniformly stirring to obtain a finished product.
Preparation example 4: the sodium carboxymethyl cellulose solution is prepared by the following method:
weighing 3kg of sodium carboxymethylcellulose and 180kg of water, mixing, stirring until the sodium carboxymethylcellulose is completely dissolved, adding 5kg of aqueous amino resin, and uniformly stirring to obtain a finished product.
Preparation example of coated silica gel granule
Preparation example 5: the coated silica gel particles are prepared by the following method:
weighing 1kg of porous silica gel particles, soaking in 10kg of water for 10min, performing ultrasonic dispersion under the condition of 20kHz in the soaking process, wherein the particle size of the porous silica gel particles is 200 mu m, and obtaining water-absorbing silica gel particles after the porous silica gel particles absorb water to be saturated;
weighing polyethylene glycol 2000, heating to 54 ℃, and carrying out hot melting to obtain polyethylene glycol liquid;
0.5kg of polyethylene glycol solution is evenly sprayed on the surface of 1kg of water-absorbing silica gel particles, and the polyethylene glycol solution is solidified into a polyethylene glycol film after drying to obtain a finished product.
Examples
The waterborne amino resin in the following raw materials is purchased from waterborne polyester resin produced by Ribenemist chemical Co., ltd, jiangyin, model 799; other raw materials and equipment are all sold in the market.
Example 1: a textile auxiliary for increasing the hardness of a fabric:
30kg of water-based polyester resin, 82kg of water, 2kg of dispersing agent, 3kg of isocyanate and 2kg of filling particles; the dispersant is sodium dodecyl benzene sulfonate; the isocyanate is hexamethylene diisocyanate; the filling particles prepared in preparation example 1 are selected as the filling particles; the preparation method comprises the following steps:
weighing the water-based polyester resin and water, mixing and stirring uniformly, then adding the filling particles and the dispersing agent, mixing and stirring uniformly, finally adding the isocyanate, and stirring uniformly to obtain a finished product.
Example 2: the present embodiment is different from embodiment 1 in that:
25kg of water-based polyester resin, 75kg of water, 1kg of dispersing agent, 1kg of isocyanate and 1kg of filling particles.
Example 3: the present embodiment is different from embodiment 1 in that:
35kg of water-based polyester resin, 90kg of water, 3kg of dispersing agent, 5kg of isocyanate and 3kg of filling particles.
Example 4: the present embodiment is different from embodiment 1 in that:
the filling particles are hollow glass beads, and the particle size of the hollow glass beads is 100 microns.
Comparative example
Comparative example 1: the comparative example differs from example 1 in that:
no filler particles were added to the raw materials.
Application example
Application example 1: the application of a textile auxiliary for improving the hardness of fabrics comprises the following steps:
and (2) preparing a textile fabric from cotton fibers, soaking the textile fabric in the textile auxiliary prepared in the embodiment 1 for 3min, taking out the textile fabric, drying at 70 ℃, and curing the textile auxiliary into a film to obtain a finished product.
Application example 2: the difference between the present application example and application example 1 is:
the textile auxiliary prepared in example 2 was used.
Application example 3: the difference between the present application example and application example 1 is:
the textile auxiliary prepared in example 3 was used.
Application example 4: the difference between the present application example and application example 1 is:
the textile auxiliary prepared in example 4 is selected as the textile auxiliary.
Application example 5: the difference between the present application example and application example 1 is:
preparing a textile fabric from cotton fibers, spraying the sodium carboxymethyl cellulose solution prepared in preparation example 2 on the surface of the textile fabric, and uniformly spraying 0.2kg of sodium carboxymethyl cellulose solution on the surface of each 1kg of textile fabric to obtain a loaded textile fabric; uniformly spraying the coated silica gel particles prepared in the preparation example 5 on the surface of the load textile, and spraying 0.06kg of coated silica gel particles on the surface of each 1kg of load textile to obtain a finished product of the pretreated textile;
and (2) placing the pretreated textile fabric into the textile auxiliary prepared in the example 1, soaking for 3min, taking out the pretreated textile fabric, drying at 70 ℃, and curing the textile auxiliary into a film to obtain a finished product.
Application example 6: the difference between the application example and the application example 5 is that:
preparing a textile fabric from cotton fibers, spraying the sodium carboxymethyl cellulose solution prepared in preparation example 3 on the surface of the textile fabric, and uniformly spraying 0.1kg of sodium carboxymethyl cellulose solution on the surface of each 1kg of textile fabric to obtain a loaded textile fabric; the coated silica gel particles prepared in preparation example 5 were uniformly sprayed on the surface of the loaded textile, and 0.02kg of coated silica gel particles was sprayed on the surface of each 1kg of loaded textile, to obtain a finished pretreated textile.
Application example 7: the difference between the present application example and application example 5 is that:
preparing a textile fabric from cotton fibers, spraying the sodium carboxymethyl cellulose solution prepared in preparation example 4 on the surface of the textile fabric, and uniformly spraying 0.3kg of the sodium carboxymethyl cellulose solution on the surface of each 1kg of the textile fabric to prepare a load textile fabric; and (3) uniformly spraying the coated silica gel particles prepared in the preparation example 5 on the surface of the loaded textile, and spraying 0.1kg of coated silica gel particles on the surface of each 1kg of loaded textile to obtain the finished product of the pretreated textile.
Application example 8: the difference between the present application example and application example 5 is that:
and (3) preparing a textile fabric from cotton fibers, spraying the sodium carboxymethyl cellulose solution prepared in the preparation example 2 on the surface of the textile fabric, and uniformly spraying 0.2kg of the sodium carboxymethyl cellulose solution on the surface of every 1kg of the textile fabric to obtain the finished product of the pretreated textile fabric.
Application example 9: the difference between the present application example and application example 5 is that:
preparing a textile fabric from cotton fibers, uniformly spraying the coated silica gel particles prepared in preparation example 5 on the surface of the textile fabric, and spraying 0.06kg of coated silica gel particles on the surface of each 1kg of textile fabric to obtain the finished product of the pretreated textile fabric.
Application example 10: the difference between the present application example and application example 5 is that:
in the preparation process of the pretreated textile, the sodium carboxymethyl cellulose solution is replaced by the ethyl cellulose solution with the same mass in the raw materials; 2kg of ethyl cellulose is weighed and placed in 150kg of absolute ethyl alcohol with the mass fraction of 99 percent to be stirred and dissolved, and ethyl cellulose solution is prepared.
Application example 11: the difference between the present application example and application example 5 is that:
the sodium carboxymethyl cellulose solution in the pretreated textile is not added with the water-based amino resin.
Application example 12: the difference between the present application example and application example 5 is that:
in the preparation process of the coated silica gel particles, polyethylene glycol 2000 is weighed and heated to 54 ℃ for hot melting to prepare polyethylene glycol liquid; 0.5kg of polyethylene glycol solution is evenly sprayed on the surface of 1kg of porous silica gel particles, and the polyethylene glycol solution is solidified into a polyethylene glycol membrane after drying to obtain a finished product.
Application example 13: the difference between the application example and the application example 5 is that:
in the preparation process of the coated silica gel particles, the polyethylene glycol solution is replaced by ethyl cellulose solution with the same mass in the raw materials, the ethyl cellulose solution is ethyl cellulose ethanol solution with the mass fraction of 1%, and the ethanol is absolute ethanol with the mass fraction of 99%.
Application example 14: the difference between the present application example and application example 5 is that:
the polyethylene glycol liquid in the coated silica gel particles is polyethylene glycol 600.
Comparative application example
Comparative application example 1: the comparative application example differs from application example 1 in that:
the textile auxiliary prepared in the comparative example 1 is selected as the textile auxiliary.
Performance test
1. Hardness testing
The finished fabrics are prepared by the preparation methods of application examples 1-14 and comparative application example 1 respectively, the Barkel hardness of the finished fabrics is detected by referring to a GB/T3854-2017 reinforced plastic Barkel hardness test method, and data is recorded.
2. Adhesion firmness test
Finished fabrics are prepared by respectively adopting preparation methods of application examples 1-14 and comparative application example 1, and reference is made to the first part of the tearing performance of the textile fabric of GB/T3917.1-2009: and (4) measuring the tearing strength by an impact pendulum method, detecting the tearing strength of the finished fabric, and recording data.
3. Adhesion detection
The preparation methods of application examples 1-14 and comparative application example 1 are respectively adopted to prepare finished fabrics, GB/T9286-2021 colored paint and varnish grid cutting tests are referred to, a BGD series paint film grid cutting device is adopted to cut and cut grids, then a transparent adhesive tape is adhered on the cut grids and flattened, the transparent adhesive tape is grabbed after 10min and quickly torn off in a 60-degree direction, finally, the peeling damage degree of the paint film from a base material in a grid cutting area is checked to evaluate the adhesive force, the larger the peeling damage degree is, the worse the adhesive force is, and the adhesive force grade is recorded.
Grade distribution: level 0-the edges of the cuts are completely smooth, and no squares fall off on the grid;
grade 1, the flaky coating falls off at the intersection, and the area of the falling coating accounts for less than or equal to 5 percent of the area of the grid;
level 2-small flake coatings drop off along the edges and intersections of the cuts, the area of the dropped coating accounts for 6% -50% of the area of the cross;
grade 3-the coating drops off seriously, the area of the dropped coating accounts for more than 50% of the area of the grid.
TABLE 1 Performance test Table
| Item | Barkel hardness/HBa | Tear Strength/N | Adhesion/grade |
| Application example 1 | 35 | 365 | 1 |
| Application example 2 | 33 | 360 | 1 |
| Application example 3 | 37 | 368 | 1 |
| Application example 4 | 31 | 356 | 2 |
| Application example 5 | 40 | 380 | 0 |
| Application example 6 | 39 | 372 | 0 |
| Application example 7 | 42 | 384 | 0 |
| Application example 8 | 37 | 370 | 1 |
| Application example 9 | 36 | 367 | 2 |
| Application example 10 | 38 | 376 | 2 |
| Application example 11 | 39 | 377 | 1 |
| Application example 12 | 39 | 378 | 1 |
| Application example 13 | 37 | 375 | 2 |
| Application example 14 | 38 | 377 | 1 |
| Comparative application example 1 | 28 | 349 | 1 |
As can be seen from the combination of application examples 1-3 and Table 1, the textile auxiliary enables the textile fabric to have good hardness and high tearing strength, and the textile auxiliary enables the surface adhesion of the textile fabric to be good, so that the finished textile fabric has good hardness.
By combining application example 1 and application example 4 and combining table 1, it can be seen that the filling particles in the textile auxiliary raw material of application example 4 are not treated by ethylenediamine, compared with application example 1, the hardness of the finished fabric prepared by application example 4 is smaller than that of application example 1, the tearing strength is smaller than that of application example 1, and the adhesion force of the textile auxiliary on the surface of the fabric is inferior to that of application example 1; the matching of the hollow glass beads and the ethylenediamine is illustrated, and the amino groups on the surfaces of the hollow glass beads are matched with the water-based polyester resin and the isocyanate to form a cross-linked network structure, so that the stability of the particles in the cross-linked network structure is improved, and the hardness of the finished fabric is further improved by utilizing the higher hardness of the hollow glass beads.
By combining application example 1 and application examples 5-7 with table 1, it can be seen that the pretreated textile fabric treated by the sodium carboxymethyl cellulose solution and the coated silica gel particles is matched with the textile auxiliary, and the adhesiveness of the textile auxiliary on the surface of the textile fabric is improved by utilizing the viscosity of the sodium carboxymethyl cellulose solution; and carboxyl in the sodium carboxymethyl cellulose, amino in the aqueous amino resin and hydroxyl in polyethylene glycol on the surface of the coated silica gel particles are matched with aqueous polyester resin and isocyanate to form a three-dimensional cross-linked network structure, so that the hardness and mechanical strength of the finished fabric are further improved under the condition of improving the adhesion force of the textile auxiliary on the surface of the fabric, and the service life of the fabric is prolonged.
As can be seen by combining application example 5 and application examples 8-14 with table 1, the pretreated textile of application example 8 is not treated with the coated silica gel particles, compared with application example 5, the hardness of the finished textile prepared by application example 8 is smaller than that of application example 5, the tearing strength is smaller than that of application example 5, and the adhesion of the textile auxiliary is inferior to that of application example 5; the coated silica gel particles can promote the formation of a three-dimensional network structure on the surface of the finished fabric, and the solidification of the sodium carboxymethyl cellulose solution is controlled, so that the sodium carboxymethyl cellulose solution and the textile auxiliary agent can form a cross-linked structure, and the hardness of the finished fabric is further improved.
Application example 9 the pretreated textile was not treated with the sodium carboxymethyl cellulose solution, compared to application example 5, the hardness of the finished fabric prepared in application example 9 was less than that of application example 5, the tearing strength was less than that of application example 5, and the adhesion of the textile auxiliary was inferior to that of application example 5; the sodium carboxymethyl cellulose solution can improve the bonding effect of the textile auxiliary on the surface of the textile, and the hardness of the finished fabric is further improved by matching with the crosslinking effect of the sodium carboxymethyl cellulose solution and the textile auxiliary.
In the preparation process of the application example 10, the raw materials are replaced by the same mass of ethyl cellulose solution instead of sodium carboxymethyl cellulose solution, compared with the application example 5, the hardness of the finished fabric prepared by the application example 10 is smaller than that of the application example 5, the tearing strength is smaller than that of the application example 5, and the adhesive force of the textile auxiliary agent is inferior to that of the application example 5; the description shows that although the ethyl cellulose solution can form a coating on the surface of the textile, the ethyl cellulose is insoluble in water, and in the process of heating and curing the textile auxiliary agent, the release of water in the coated silica gel particles does not influence the curing and film forming of the ethyl cellulose, and the ethyl cellulose cannot realize the crosslinking effect with the water-based polyester resin, the isocyanate and the coated silica gel particles, so that the hardness and the mechanical property of the finished textile are influenced.
Application example 11 no aqueous amino resin is added to the sodium carboxymethylcellulose solution in the pretreated textile, compared with application example 5, the hardness of the finished textile prepared in application example 11 is less than that of application example 5, the tearing strength is less than that of application example 5, and the adhesive force of the textile auxiliary is poor than that of application example 5; the cooperation of carboxyl in the waterborne amino resin, the waterborne polyester resin, the isocyanate and the sodium carboxymethyl cellulose promotes the formation of a cross-linked network and the solidification of the textile auxiliary on the surface of the textile, thereby improving the hardness of the finished textile.
In the preparation process of the coated silica gel particles of application example 12, the porous silica gel particles are not subjected to water absorption treatment, compared with application example 5, the hardness of the finished fabric prepared in application example 12 is smaller than that of application example 5, the tearing strength is smaller than that of application example 5, and the adhesive force of the textile auxiliary is poor than that of application example 5; after the pores of the porous silica gel particles absorb water, when the textile auxiliary is heated and cured, the moisture in the porous silica gel particles can be gradually released, and the released moisture is gradually contacted with the sodium carboxymethyl cellulose solution, so that the bonding and curing properties of the sodium carboxymethyl cellulose solution are adjusted, the cross-linking between the sodium carboxymethyl cellulose solution and the textile auxiliary is ensured, and the hardness of the finished fabric is further improved.
In the preparation process of the coated silica gel particles of application example 13, the raw materials are replaced by the ethyl cellulose solution with the same mass, compared with application example 5, the hardness of the finished fabric prepared by application example 13 is smaller than that of application example 5, the tearing strength is smaller than that of application example 5, and the adhesive force of the textile auxiliary agent is poorer than that of application example 5; the hydroxyl in the polyethylene glycol can promote the coated silica gel particles to be adhered to the surface of the sodium carboxymethyl cellulose solution, and the hydroxyl in the polyethylene glycol is matched with the hydroxyl in the sodium carboxymethyl cellulose, the amino in the aqueous amino resin, the aqueous polyester resin and the isocyanate to form a three-dimensional network structure taking the coated silica gel particles as a supporting framework on the surface of the textile, so that the adhesive force of the textile auxiliary agent on the surface of the textile is improved, the hardness of the finished textile is improved, and the service life of the finished textile is prolonged.
Compared with the application example 5, the hardness of the finished fabric prepared in the application example 14 is smaller than that of the application example 5, the tearing strength is smaller than that of the application example 5, and the adhesive force of the textile auxiliary is poor than that of the application example 5; the method is characterized in that polyethylene glycol 600 is in a liquid state at normal temperature, polyethylene glycol 2000 is in a solid state at normal temperature, and only in the heating and curing process of the textile auxiliary, polyethylene glycol 2000 can be gradually heated and melted to release moisture adsorbed in porous silica gel particles, and the coating formed on the surfaces of the porous silica gel particles by polyethylene glycol 2000 is not easily affected by the moisture adsorbed in the pores of the porous silica gel particles.
By combining the application example 1 and the comparative application example 1 and combining the table 1, the textile auxiliary raw material of the comparative application example 1 is not added with filler particles, compared with the application example 1, the hardness of the finished fabric prepared by the comparative application example 1 is smaller than that of the application example 1, and the tearing strength is smaller than that of the application example 1; the filler particles are shown to increase the stiffness and mechanical properties of the finished textile aid, thereby affecting the stiffness and mechanical properties of the finished fabric.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The textile auxiliary for improving the fabric hardness is characterized by comprising the following raw materials in parts by weight: 25-35 parts of water-based polyester resin, 75-90 parts of water, 1-3 parts of dispersing agent, 1-5 parts of isocyanate and 1-3 parts of filling particles.
2. A textile aid for increasing fabric stiffness according to claim 1, wherein: the filling particles are prepared by modifying hollow glass beads with ethylenediamine.
3. A textile aid for increasing the stiffness of a fabric according to claim 1 wherein: the dispersant is sodium dodecyl benzene sulfonate.
4. A process for the preparation of a textile auxiliary for increasing the stiffness of a fabric according to any of claims 1 to 3, comprising the steps of:
weighing the water-based polyester resin and water, mixing and stirring uniformly, then adding the filling particles and the dispersing agent, mixing and stirring uniformly, finally adding the isocyanate, and stirring uniformly to obtain a finished product.
5. The textile auxiliary for improving the fabric hardness according to claim 4, wherein the filling particles are prepared by the following method:
weighing hollow glass beads, soaking in ethylenediamine solution, taking out the hollow glass beads, and drying to obtain the finished product.
6. The application of the textile auxiliary for improving the fabric hardness is characterized by comprising the following steps:
soaking the textile fabric in a textile auxiliary agent, then taking out the textile fabric, drying, and curing the textile auxiliary agent to form a film to obtain a finished product textile fabric; textile auxiliary produced using the textile auxiliary produced according to claims 1 to 3 or using the production process of the textile auxiliary according to claims 4 to 5.
7. The use of the textile auxiliary for increasing the fabric hardness of claim 6, wherein the textile is a pretreated textile, and the pretreated textile is prepared by the following method:
preparing a textile, and uniformly spraying a sodium carboxymethyl cellulose solution on the surface of the textile, wherein the mass ratio of the textile to the sodium carboxymethyl cellulose solution is 1.1-0.3, so as to prepare a load textile; uniformly spraying coated silica gel particles on the surface of the loaded textile, wherein the mass ratio of the textile to the coated silica gel particles is 1.02-0.1, and thus obtaining the finished product of the pretreated textile.
8. The use of a textile auxiliary for increasing fabric stiffness as claimed in claim 7, wherein the sodium carboxymethyl cellulose solution is prepared by the following method:
weighing 1-3 parts of sodium carboxymethylcellulose and 120-180 parts of water according to parts by weight, dissolving, adding 1-5 parts of water-based amino resin, and uniformly stirring to obtain a finished product.
9. The use of the textile auxiliary for increasing the hardness of a fabric according to claim 7, wherein the coated silica gel particles are prepared by the following method:
weighing porous silica gel particles, soaking in water, and making into water-absorbing silica gel particles after water absorption saturation;
and (3) uniformly spraying polyethylene glycol liquid on the surfaces of the water-absorbing silica gel particles, drying, and solidifying the polyethylene glycol liquid into a polyethylene glycol film to obtain a finished product.
10. The use of a textile auxiliary for increasing fabric stiffness of claim 9, wherein the polyethylene glycol solution is prepared by polyethylene glycol 2000 hot melt at elevated temperature.
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| CN113637369A (en) * | 2021-09-16 | 2021-11-12 | 长沙民德消防工程涂料有限公司 | High-hardness water-based nano glass heat-insulating coating and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005082576A1 (en) * | 2004-02-17 | 2005-09-09 | 3M Innovative Properties Company | Non-woven fabric abrasive and manufacturing process thereof |
| CN108264827A (en) * | 2018-02-08 | 2018-07-10 | 合肥达户电线电缆科技有限公司 | A kind of environmental protection scratch-resistant coating and preparation method thereof |
| CN110746878A (en) * | 2019-11-19 | 2020-02-04 | 合众（佛山）化工有限公司 | High-hardness anti-sagging polyurethane water-based functional coating |
| CN111718468A (en) * | 2020-07-15 | 2020-09-29 | 烟台云泷化学制品有限公司 | Low-cost high-hardness polyurethane stiffening agent slurry and preparation method and application thereof |
| CN113122085A (en) * | 2021-04-30 | 2021-07-16 | 北京东方富昊新型建材有限公司 | Colored anti-skid paint for road surface and preparation method thereof |
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