CN109430960B - Elastic trousers - Google Patents
Elastic trousers Download PDFInfo
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- CN109430960B CN109430960B CN201811225212.4A CN201811225212A CN109430960B CN 109430960 B CN109430960 B CN 109430960B CN 201811225212 A CN201811225212 A CN 201811225212A CN 109430960 B CN109430960 B CN 109430960B
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D1/00—Garments
- A41D1/06—Trousers
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
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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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
-
- 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
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
-
- 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
- D06M13/10—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 oxygen
- D06M13/165—Ethers
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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
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts 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
- 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
- D06M15/19—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
- D06M15/53—Polyethers
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
Abstract
The invention discloses elastic trousers which are made of elastic fabrics, wherein the elastic fabrics are formed by blending 35% of chinlon and 65% of cotton, and finishing agents adopted in the after-finishing process of the elastic fabrics comprise finishing agents A and finishing agents B in parts by weight of 1: 1. The blending mode combines the advantages of nylon and cotton, so that the stretch pants not only have the advantages of good dyeing property, good elasticity and good wear resistance of the nylon, but also have the advantages of moisture absorption and ventilation of the cotton. The finishing agent A contains a large number of polyamide chain segments, can be eutectic with the nylon fibers in a high-temperature baking stage of after-finishing, and simultaneously contains a large number of hydrophilic polyether chain segments, and can improve the defect of poor hygroscopicity after being grafted onto the nylon fibers, so that the moisture absorption and quick drying of the elastic fabric are improved, and the elastic fabric is more comfortable to wear.
Description
Technical Field
The invention relates to the field of clothes, in particular to elastic trousers.
Background
Depending on the environment in which the pants are worn, the performance requirements may vary, for example: the sport pants need to be breathable, good in elasticity and soft; the riding clothes need sweat absorption, quick drying and warm keeping. When people wear casual pants, western style pants and other pants needing to be used together with a belt, the following problems are easy to occur: the waist of the trousers is poor in elasticity after the user eats the dining table too full, the waist of the trousers is enlarged, and the user needs to unfasten the buttons of the trousers, so that the trousers are quite inelegant and troublesome.
Chinese patent publication No. CN106108196A discloses an outer-layer wrinkle-free elastic waistband, which comprises an outer-layer fabric, an elastic band and an inner-layer fabric; the rubber band is bonded on the reverse side of the outer layer fabric; the back surface of the inner layer fabric is bonded to the back surface of the rubber band; the surface of the top end part of the inner layer fabric is provided with a turned edge; the curled fabric and the outer fabric are integrated; the outer layer fabric is not wrinkled; the outer layer fabric is high-elastic fabric.
Due to the requirement of the design of the model, the trousers such as casual trousers, western trousers and the like needing to be used together with the belt are not always designed like the trousers with the crumple at the waist of the trousers, so that the waist of the trousers has a deformation space. Above-mentioned outer layer does not have wrinkle elasticity waistband adopts the mode of high-elastic fabric to solve the relatively poor problem of waist of trousers elasticity, but still has following technical problem: the fibers contained in the high-elasticity fabric are generally spandex fibers and polyester fibers with good elasticity, and the chemical fibers are poor in moisture absorption, so that sweat generated by the waist of a human body cannot be absorbed by the waist of trousers in time, and the comfort is poor.
Disclosure of Invention
In view of the above-mentioned technical drawbacks, it is an object of the present invention to provide stretch pants having excellent elasticity and moisture absorption.
In order to achieve the purpose, the invention provides the following technical scheme:
the elastic trousers are made of elastic fabrics, the elastic fabrics are formed by blending 35% of chinlon and 65% of cotton, finishing agents adopted in the after-finishing process of the elastic fabrics comprise finishing agents A and finishing agents B in parts by weight of 1:1, and the preparation method of the finishing agents A comprises the following steps:
step one, adding 10-15 parts of PPE into 40-50 parts of toluene, uniformly stirring, heating to 110-120 ℃, and preserving heat for 30-45 min;
step two, adding 20-30 parts of succinic anhydride into the mixture, heating the mixture to 160 ℃ at 130 ℃, preserving heat for 1-3 hours, and evaporating toluene at 45 ℃ under reduced pressure after cooling;
adding the reactant into 30-40 parts of saturated calcium bicarbonate solution, standing for layering, separating out lower-layer liquid, adding 5-6 parts of 5% hydrochloric acid, extracting with trichloromethane, drying and filtering to obtain modified PPE;
step four, mixing and uniformly stirring 10-15 parts of modified PPE, 10-15 parts of hexamethylenediamine and 10-15 parts of adipic acid, introducing nitrogen in the stirring process, and continuously heating until the temperature reaches 150-;
and step five, adding 1-2 parts of phosphorous acid, vacuumizing, slowly heating to the temperature of 220 ℃ and 250 ℃, and reacting for 2-2.5 hours to obtain the finishing agent A.
By adopting the technical scheme, the advantages of the chinlon and the cotton are combined in a blending mode, so that the stretch pants not only have the advantages of good dyeing property, good elasticity and good wear resistance of the chinlon, but also have the advantages of moisture absorption and ventilation of the cotton. The finishing agent A contains a large number of polyamide chain segments, can be eutectic with the nylon fibers in a high-temperature baking stage of after-finishing, and simultaneously contains a large number of hydrophilic polyether chain segments, and can improve the defect of poor hygroscopicity after being grafted onto the nylon fibers, so that the moisture absorption and quick drying of the elastic fabric are improved, and the elastic fabric is more comfortable to wear.
The invention is further configured to: the finishing agent B comprises the following components in parts by weight:
50-60 parts of amino silicone oil;
20-30 parts of white oil;
10-15 parts of paraffin oil;
3-5 parts of an emulsifier.
By adopting the technical scheme, the amino silicone oil can react with hydroxyl and carboxyl on the surface of the fiber due to strong polarity of amino, and further firmly adhere to the surface of the fiber, so that the friction coefficient between the fibers is reduced, and the amino silicone oil is a very excellent softening agent. The amino silicone oil, the white oil and the paraffin oil have synergistic interaction, and the micro-emulsification can be achieved by heating reaction under the condition of an emulsifier, so that the defects of poor hydrophilicity and stability of the amino silicone oil are overcome, the elastic fabric is soft and comfortable after finishing, and the hygroscopicity is not obviously reduced.
The invention is further configured to: the finishing agent B also comprises 40-50 parts of IPDI, 60-80 parts of isopropanol and 40-50 parts of saturated sodium bisulfite solution.
By adopting the technical scheme, the amino silicone oil can be subjected to prepolymerization reaction with IPDI and then subjected to saturated sodium bisulfite end capping reaction to obtain the modified amino silicone oil which has an amide group with excellent hygroscopicity, so that the defect of poor hydrophilicity of the amino silicone oil is overcome. In the after-finishing process of the elastic fabric, the finishing agent B can release isocyanate groups which can react with hydroxyl on the surface of the cotton fiber to form a net structure through crosslinking, so that the cotton fiber is endowed with excellent elasticity of polyurethane, and the elasticity of the elastic fabric is improved. Meanwhile, the amino silicone oil is better in affinity and compatibility with the finishing agent A after being modified, so that the finishing agent A and the finishing agent B can be mixed, the after-finishing is carried out at one time, and the working procedures are saved.
The invention is further configured to: the preparation process of the finishing agent B is as follows:
firstly, heating 50-60 parts of amino silicone oil to 110 ℃, drying for 3-4 hours, cooling, adding 30-40 parts of isopropanol, uniformly stirring until the amino silicone oil is completely dissolved, introducing nitrogen and slowly heating to 40-60 ℃;
step two, uniformly mixing 40-50 parts of IPDI and 30-40 parts of isopropanol, pouring into amino silicone oil, reacting for 2-3 hours, and heating to 60-80 ℃ for 3-4 hours;
thirdly, quickly adding 40-50 parts of saturated sodium bisulfite solution, reacting for 2-3h, and then distilling off the solvent under reduced pressure to obtain modified amino silicone oil;
and fourthly, adding 20-30 parts of white oil, 10-15 parts of paraffin oil and 3-5 parts of emulsifier into the modified amino silicone oil, and stirring for 15-30min to obtain the finishing agent B.
The invention is further configured to: the emulsifier is OP-4 and AEO-9 in a weight ratio of 1: 1.
By adopting the technical scheme, the OP-4 and the AEO-9 have a compounding effect, and the microemulsification effect of the amino silicone oil, the white oil and the paraffin oil is good.
The invention is further configured to: the finishing agent B also comprises 1-2 parts of ethylene glycol monobutyl ether.
By adopting the technical scheme, the ethylene glycol monobutyl ether can reduce the interfacial tension of the emulsion and increase the fluidity of the emulsion, so that the emulsion forms stable microemulsion.
The invention is further configured to: the finishing agent B also comprises 3-5 parts of glacial acetic acid.
By adopting the technical scheme, glacial acetic acid can act with amino, so that a double electric layer with positive charges is formed on the surface of emulsion particles, and then the emulsion particles generate repulsion with each other, thereby preventing the particles from coalescing and having good dispersion effect.
The invention is further configured to: the after-finishing process of the elastic fabric comprises the following steps: firstly, preparing a finishing agent A and a finishing agent B, and mixing the finishing agent A and the finishing agent B according to the weight ratio of 1: 1; then, padding the elastic fabric into the finishing agent; then, drying at 110 ℃ for 100-120 s; finally, baking at 160 deg.C for 90-100 s.
By adopting the technical scheme, the elastic fabric has better moisture absorption performance and rebound resilience after finishing.
In conclusion, the invention has the following beneficial effects: the elastic fabric combines the advantages of the chinlon and the cotton in a blending mode, so that the elastic trousers not only have the advantages of good dyeing property, good elasticity and good wear resistance of the chinlon, but also have the advantages of moisture absorption and ventilation of the cotton; meanwhile, the elastic fabric is subjected to after-finishing, so that the defect of poor moisture absorption of the chinlon is overcome.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
Description of reference numerals: 1. a trouser body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
an elastic trousers, as shown in figure 1, comprises a trousers body 1, wherein the trousers body 1 is made of elastic fabric by cutting and sewing. The sewing thread and the lining adopted by the waist of the trousers body 1 have elasticity, so the trousers can be matched with the expansion or contraction of the waistline of a human body without unfastening buttons. The stretch fabric is formed by blending 35% of chinlon and 65% of cotton, and the advantages of the chinlon and the cotton are combined in a blending mode, so that the stretch pants not only have the advantages of good dyeing property, good elasticity and good wear resistance of the chinlon, but also have the advantages of moisture absorption and ventilation of the cotton.
Example two:
the after-finishing process of the elastic fabric in the first embodiment comprises the following steps: firstly, preparing a finishing agent A and a finishing agent B, and mixing the finishing agent A and the finishing agent B according to the weight ratio of 1:1 to obtain a finishing agent; then, padding the elastic fabric into a finishing agent, wherein the concentration of the finishing agent is 5 percent, and the padding rate is 75 percent; then, drying the mixture for 100s at 110 ℃; finally, baking is carried out for 90s at 160 ℃.
The preparation method of the finishing agent A comprises the following steps:
step one, adding 10 parts of PPE into 40 parts of toluene, stirring uniformly, heating to 110 ℃, and keeping the temperature for 30 min;
adding 20 parts of succinic anhydride into the mixture, heating the mixture to 130 ℃, preserving heat for 1 hour, cooling the mixture, and evaporating toluene at 45 ℃ under reduced pressure;
adding the reactant into 30 parts of saturated calcium bicarbonate solution, standing for layering, separating out lower-layer liquid, adding 5 parts of 5% hydrochloric acid, extracting with trichloromethane, drying and filtering to obtain modified PPE;
step four, mixing and uniformly stirring 10 parts of modified PPE, 10 parts of hexamethylenediamine and 10 parts of adipic acid, introducing nitrogen in the stirring process, and continuously heating to 150 ℃ for 30 min;
and step five, adding 1 part of phosphorous acid, vacuumizing, slowly heating to 220 ℃, and reacting for 2 hours to obtain the finishing agent A.
The PPE used in the preparation of finish A was propylene glycol random polyether PPE-1500 purchased from Haian petrochemical plants of Jiangsu province.
The finishing agent B comprises the following components in parts by weight:
50 parts of amino silicone oil, the model number of which is 8033, and the amino silicone oil is purchased from Kongfu textile auxiliary industry Co., Ltd of Dongguan city;
20 parts of white oil, the model number of which is No. 7, purchased from Suzhou Seapahan Special oil products Co., Ltd;
10 parts of paraffin oil with the model number of S100, purchased from Suzhou Seapahan special oil products Co., Ltd;
3 parts of emulsifier, wherein the emulsifier is OP-4 and AEO-9 in a weight ratio of 1: 1;
1 part of ethylene glycol monobutyl ether;
3 parts of glacial acetic acid;
40 parts of IPDI, namely isophorone diisocyanate;
60 parts of isopropanol;
and 40 parts of saturated sodium bisulfite solution.
The preparation of finish B was as follows:
firstly, heating 50 parts of amino silicone oil to 110 ℃, continuously drying for 3 hours, cooling, adding 30 parts of isopropanol, uniformly stirring until the amino silicone oil is completely dissolved, introducing nitrogen and slowly heating to 40 ℃;
step two, uniformly mixing 40 parts of IPDI and 30 parts of isopropanol, pouring into amino silicone oil, reacting for 2 hours, heating to 60 ℃, and continuing for 3 hours;
thirdly, quickly adding 40 parts of saturated sodium bisulfite solution, reacting for 2 hours, and then distilling the solvent under reduced pressure to obtain modified amino silicone oil;
and fourthly, adding 20 parts of white oil, 10 parts of paraffin oil and 3 parts of emulsifier into the modified amino silicone oil, stirring for 15min, adding 3 parts of glacial acetic acid and 1 part of ethylene glycol monobutyl ether, and stirring for 5min to obtain the finishing agent B.
Example three:
the after-finishing process of the elastic fabric in the first embodiment comprises the following steps: firstly, preparing a finishing agent A and a finishing agent B, and mixing the finishing agent A and the finishing agent B according to the weight ratio of 1:1 to obtain a finishing agent; then, padding the elastic fabric into a finishing agent, wherein the concentration of the finishing agent is 5 percent, and the padding rate is 75 percent; then, drying the mixture for 120s at 110 ℃; finally, baking at 160 ℃ for 100 s.
The preparation method of the finishing agent A comprises the following steps:
step one, adding 15 parts of PPE into 50 parts of toluene, stirring uniformly, heating to 120 ℃, and keeping the temperature for 45 min;
step two, adding 30 parts of succinic anhydride into the mixture, heating the mixture to 160 ℃, preserving heat for 3 hours, cooling the mixture, and then decompressing and steaming out toluene at the temperature of 45 ℃;
adding the reactant into 40 parts of saturated calcium bicarbonate solution, standing for layering, separating out lower-layer liquid, adding 6 parts of 5% hydrochloric acid, extracting with trichloromethane, drying and filtering to obtain modified PPE;
step four, mixing and uniformly stirring 15 parts of modified PPE, 15 parts of hexamethylenediamine and 15 parts of adipic acid, introducing nitrogen in the stirring process, and continuously heating to 160 ℃ for 30 min;
and step five, adding 12 parts of phosphorous acid, vacuumizing, slowly heating to 250 ℃, and reacting for 2.5 hours to obtain the finishing agent A.
The PPE used in the preparation of finish A was propylene glycol random polyether PPE-1500 purchased from Haian petrochemical plants of Jiangsu province.
The finishing agent B comprises the following components in parts by weight:
60 parts of amino silicone oil, the model is 8033, and the amino silicone oil is purchased from Kongfu textile auxiliary industry Co.Ltd of Dongguan city;
30 parts of white oil with the model number 7, purchased from Suzhou Seapahan special oil products Co., Ltd;
15 parts of paraffin oil with the model number of S100, purchased from Suzhou Seapahan Special oil products Co., Ltd;
5 parts of emulsifier, wherein the emulsifier is OP-4 and AEO-9 in a weight ratio of 1: 1;
2 parts of ethylene glycol monobutyl ether;
5 parts of glacial acetic acid;
50 parts of IPDI, namely isophorone diisocyanate;
80 parts of isopropanol;
50 parts of saturated sodium bisulfite solution.
The preparation of finish B was as follows:
firstly, heating 60 parts of amino silicone oil to 110 ℃, drying for 4 hours, cooling, adding 40 parts of isopropanol, uniformly stirring until the amino silicone oil is completely dissolved, introducing nitrogen and slowly heating to 60 ℃;
step two, uniformly mixing 50 parts of IPDI and 40 parts of isopropanol, pouring into amino silicone oil, reacting for 3 hours, heating to 80 ℃, and continuing for 4 hours;
thirdly, quickly adding 50 parts of saturated sodium bisulfite solution, reacting for 3 hours, and then distilling off the solvent under reduced pressure to obtain modified amino silicone oil;
and fourthly, adding 30 parts of white oil, 15 parts of paraffin oil and 5 parts of emulsifier into the modified amino silicone oil, stirring for 30min, adding 5 parts of glacial acetic acid and 2 parts of ethylene glycol monobutyl ether, and stirring for 5min to obtain the finishing agent B.
Example four:
the after-finishing process of the elastic fabric in the first embodiment comprises the following steps: firstly, preparing a finishing agent A and a finishing agent B, and mixing the finishing agent A and the finishing agent B according to the weight ratio of 1:1 to obtain a finishing agent; then, padding the elastic fabric into a finishing agent, wherein the concentration of the finishing agent is 5 percent, and the padding rate is 75 percent; then, drying the mixture for 110s at 110 ℃; finally, baking is carried out for 95s at 160 ℃.
The preparation method of the finishing agent A comprises the following steps:
step one, adding 12 parts of PPE into 45 parts of toluene, stirring uniformly, heating to 115 ℃, and keeping the temperature for 40 min;
adding 25 parts of succinic anhydride into the mixture, heating the mixture to 145 ℃, preserving heat for 2 hours, cooling the mixture, and evaporating toluene at 45 ℃ under reduced pressure;
adding the reactant into 35 parts of saturated calcium bicarbonate solution, standing for layering, separating out lower-layer liquid, adding 5.5 parts of 5% hydrochloric acid, extracting with trichloromethane, drying and filtering to obtain modified PPE;
step four, mixing and uniformly stirring 12 parts of modified PPE, 12 parts of hexamethylenediamine and 12 parts of adipic acid, introducing nitrogen in the stirring process, and continuously heating to 155 ℃ for 30 min;
and step five, adding 1.5 parts of phosphorous acid, vacuumizing, slowly heating to 235 ℃, and reacting for 2.3 hours to obtain the finishing agent A.
The PPE used in the preparation of finish A was propylene glycol random polyether PPE-1500 purchased from Haian petrochemical plants of Jiangsu province.
The finishing agent B comprises the following components in parts by weight:
55 parts of amino silicone oil, the model is 8033, and the amino silicone oil is purchased from Kongfu textile auxiliary industry Co.Ltd of Dongguan city;
25 parts of white oil, No. 7, purchased from Suzhou Seapahan Special oil products, Inc.;
12 parts of paraffin oil with the model number of S100, purchased from Suzhou Seapahan Special oil products Co., Ltd;
4 parts of emulsifier, wherein the emulsifier is OP-4 and AEO-9 in a weight ratio of 1: 1;
1.5 parts of ethylene glycol monobutyl ether;
4 parts of glacial acetic acid;
IPDI 45 parts, namely isophorone diisocyanate;
70 parts of isopropanol;
45 parts of saturated sodium bisulfite solution.
The preparation of finish B was as follows:
firstly, heating 55 parts of amino silicone oil to 110 ℃, continuously drying for 3.5 hours, cooling, adding 35 parts of isopropanol, uniformly stirring until the amino silicone oil is completely dissolved, introducing nitrogen and slowly heating to 50 ℃;
step two, uniformly mixing 45 parts of IPDI and 35 parts of isopropanol, pouring into amino silicone oil, reacting for 2.5 hours, heating to 70 ℃, and continuing for 3.5 hours;
step three, quickly adding 45 parts of saturated sodium bisulfite solution, reacting for 2.5h, and then distilling the solvent under reduced pressure to obtain modified amino silicone oil;
and fourthly, adding 25 parts of white oil, 12 parts of paraffin oil and 4 parts of emulsifier into the modified amino silicone oil, stirring for 20min, adding 4 parts of glacial acetic acid and 1.5 parts of ethylene glycol monobutyl ether, and stirring for 5min to obtain the finishing agent B.
Example five:
in contrast to example four, finish B does not comprise IPDI, isopropanol, saturated sodium hydrogen sulfite solution, i.e.the aminosilicone is unmodified.
Comparative example one:
in contrast to example four, the finish does not comprise finish a.
Comparative example two:
in contrast to example four, the finish does not comprise finish B.
Comparative example three:
in contrast to example four, finish B does not include white oil, paraffin oil.
And (3) testing the moisture absorption performance of the elastic fabric:
according to the method recorded in the national industry standard GB/T6529-2008, the elastic fabric is tested to obtain the moisture regain, and the moisture regain is high, so that the moisture absorption performance is good, and the method is shown in Table 1.
Testing the moisture permeability of the elastic fabric:
according to a method B recorded in the national industry standard GB/T12704-2009, the elastic fabric is tested to obtain the relative moisture permeability, which is shown in Table 1.
Testing the resilience performance of the elastic fabric:
the stretch fabric was tested according to the method described in ASTM D4964-1996 to obtain the warp elongation and warp elongation recovery, as shown in Table 1.
TABLE 1
| Moisture regain (%) | Moisture permeability (%) | Elongation (%) | Recovery (%) | |
| Example two | 13.21 | 58.52 | 23.5 | 99.3 |
| EXAMPLE III | 12.82 | 59.32 | 22.8 | 98.9 |
| Example four | 13.15 | 59.42 | 23.6 | 99.2 |
| EXAMPLE five | 11.68 | 53.42 | 8.4 | 92.5 |
| Comparative example 1 | 5.32 | 15.88 | 22.7 | 98.8 |
| Comparative example No. two | 10.82 | 48.19 | 7.9 | 91.8 |
| Comparative example No. three | 12.12 | 51.73 | 21.8 | 97.6 |
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an elasticity trousers, is made by elasticity surface fabric which characterized in that: the elastic fabric is formed by blending 35% of chinlon and 65% of cotton, the finishing agent adopted in the after-finishing process of the elastic fabric comprises a finishing agent A and a finishing agent B in parts by weight of 1:1, and the preparation method of the finishing agent A comprises the following steps:
step one, adding 10-15 parts of PPE into 40-50 parts of toluene, uniformly stirring, heating to 110-120 ℃, and preserving heat for 30-45 min;
step two, adding 20-30 parts of succinic anhydride into the mixture, heating the mixture to 160 ℃ at 130 ℃, preserving heat for 1-3 hours, and evaporating toluene at 45 ℃ under reduced pressure after cooling;
adding the reactant into 30-40 parts of saturated calcium bicarbonate solution, standing for layering, separating out lower-layer liquid, adding 5-6 parts of 5% hydrochloric acid, extracting with trichloromethane, drying and filtering to obtain modified PPE;
step four, mixing and uniformly stirring 10-15 parts of modified PPE, 10-15 parts of hexamethylenediamine and 10-15 parts of adipic acid, introducing nitrogen in the stirring process, and continuously heating until the temperature reaches 150-;
step five, adding 1-2 parts of phosphorous acid, vacuumizing, slowly heating to 250 ℃ for reaction for 2-2.5h to obtain a finishing agent A;
the finishing agent B comprises the following components in parts by weight:
50-60 parts of amino silicone oil;
20-30 parts of white oil;
10-15 parts of paraffin oil;
3-5 parts of an emulsifier;
40-50 parts of IPDI;
60-80 parts of isopropanol;
40-50 parts of saturated sodium bisulfite solution;
the preparation process of the finishing agent B is as follows:
firstly, heating 50-60 parts of amino silicone oil to 110 ℃, drying for 3-4 hours, cooling, adding 30-40 parts of isopropanol, uniformly stirring until the amino silicone oil is completely dissolved, introducing nitrogen and slowly heating to 40-60 ℃;
step two, uniformly mixing 40-50 parts of IPDI and 30-40 parts of isopropanol, pouring into amino silicone oil, reacting for 2-3 hours, and heating to 60-80 ℃ for 3-4 hours;
thirdly, quickly adding 40-50 parts of saturated sodium bisulfite solution, reacting for 2-3h, and then distilling off the solvent under reduced pressure to obtain modified amino silicone oil;
and fourthly, adding 20-30 parts of white oil, 10-15 parts of paraffin oil and 3-5 parts of emulsifier into the modified amino silicone oil, and stirring for 15-30min to obtain the finishing agent B.
2. The stretch pant of claim 1, wherein: the emulsifier is OP-4 and AEO-9 in a weight ratio of 1: 1.
3. The stretch pant of claim 2, wherein: the finishing agent B also comprises 1-2 parts of ethylene glycol monobutyl ether.
4. The stretch pant of claim 3, wherein: the finishing agent B also comprises 3-5 parts of glacial acetic acid.
5. The stretch pant of claim 1, wherein: the after-finishing process of the elastic fabric comprises the following steps: firstly, preparing a finishing agent A and a finishing agent B, and mixing the finishing agent A and the finishing agent B according to the weight ratio of 1: 1; then, padding the elastic fabric into the finishing agent; then, drying at 110 ℃ for 100-120 s; finally, baking at 160 deg.C for 90-100 s.
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| CN201811225212.4A CN109430960B (en) | 2018-10-20 | 2018-10-20 | Elastic trousers |
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| CN105839393A (en) * | 2015-09-09 | 2016-08-10 | 杨恩弟 | Multifunctional multielement textile finishing agent |
| CN206512361U (en) * | 2016-08-30 | 2017-09-22 | 南通源佑纺织科技有限公司 | A kind of nylon fibre, cotton fiber and modal fiber blended fabric |
| CN107960695A (en) * | 2017-11-27 | 2018-04-27 | 宿迁市舜达服饰有限公司 | A kind of elastic fabric |
| CN108071016A (en) * | 2016-11-10 | 2018-05-25 | 李东 | A kind of antibiotic property softening agent |
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| CN101768860A (en) * | 2009-01-07 | 2010-07-07 | 葛许建 | Industrial fabric softener |
| CN101545207A (en) * | 2009-04-01 | 2009-09-30 | 江南大学 | Anti-pilling finishing agent for pure cotton knitted fabrics and preparation method thereof |
| CN103980483A (en) * | 2014-05-23 | 2014-08-13 | 苏州大学 | Moisture-absorption and sweat-releasing finishing agent for chinlon, and preparation method thereof |
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