CN111455659A - Waterproof and dustproof children garment fabric - Google Patents

Waterproof and dustproof children garment fabric Download PDF

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Publication number
CN111455659A
CN111455659A CN202010324377.8A CN202010324377A CN111455659A CN 111455659 A CN111455659 A CN 111455659A CN 202010324377 A CN202010324377 A CN 202010324377A CN 111455659 A CN111455659 A CN 111455659A
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Prior art keywords
fiber
bamboo pulp
waterproof
solution
pulp fiber
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Inventor
方小丽
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Ningbo Zhongdi Shoes Co ltd
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Ningbo Zhongdi Shoes Co ltd
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Priority to CN202010324377.8A priority Critical patent/CN111455659A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/32Treating 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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating 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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/44Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic System; Zincates; Cadmates
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08Heat resistant; Fire retardant
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/10Impermeable to liquids, e.g. waterproof; Liquid-repellent
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12Hygroscopic; Water retaining
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/14Air permeable, i.e. capable of being penetrated by gases
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/04Vegetal fibres
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/04Vegetal fibres
    • D06M2101/06Vegetal fibres cellulosic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10Repellency against liquids
    • D06M2200/12Hydrophobic properties
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/30Flame or heat resistance, fire retardancy properties

Abstract

The invention relates to a waterproof and dustproof children garment fabric, which belongs to the technical field of garment fabrics and comprises the following components in parts by weight: 30-40 parts of super-hydrophobic cotton fiber, 35-41 parts of bamboo pulp fiber, 20-26 parts of flax fiber and 10-15 parts of nano fiber.

Description

Waterproof and dustproof children garment fabric
Technical Field
The invention relates to the technical field of garment materials, in particular to a waterproof and dustproof child garment material.
Background
At present, common children clothes are mostly made of pure cotton fabric, and since the cotton fibers in the pure cotton fabric belong to natural fibers and have good hygroscopicity, moisture can be absorbed from surrounding atmosphere, and the softness of the pure cotton fabric is kept, the skin of a child cannot be stimulated when the pure cotton fabric is in contact with the skin of the child, and the comfort is high.
However, since the cotton fiber is a porous fiber and has hydrophilicity, the pure cotton fabric made of the cotton fiber is poor in waterproof and dustproof performance, water drops and dust can permeate into the pure cotton fabric after contacting the surface of the pure cotton fabric, so that the pure cotton fabric is deformed, bacteria can be bred in the pure cotton fabric, and the skin of a child is allergic.
Disclosure of Invention
The invention aims to provide a waterproof and dustproof children garment fabric which has the effect of improving the waterproof and dustproof capacity of the children garment fabric.
The above object of the present invention is achieved by the following technical solutions:
the waterproof and dustproof children garment fabric comprises the following components in parts by weight: 30-40 parts of super-hydrophobic cotton fiber, 35-41 parts of bamboo pulp fiber, 20-26 parts of flax fiber and 10-15 parts of nano fiber;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder is mixed with water and stirred evenly to obtain MgCl with the concentration of 0.6-1.4 mol/L2An aqueous solution; diluting ammonia water with the concentration of 24-26% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into precipitant at 2-4m L/min, and stirring until pH is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is 1.8-2.2 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 8-12min, and then washing with deionized water and drying to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2Drying the solution at the temperature of 100-106 ℃ after 5-10 min;
b2, repeating the step b1 for 2-3 times;
b3, immersing the cotton fiber obtained in the step b2 in 1.8-2.2% polydimethylsiloxane solution for 3-7min, taking out, and then drying at 98-102 ℃.
By adopting the technical scheme, the cotton fiber belongs to natural fiber, has good hygroscopicity and air permeability, is relatively soft, has relatively small irritation to the skin of children, but has relatively poor waterproof and flame-retardant performances due to good hydrophilicity and flammability, so that the cotton fiber is subjected to super-hydrophobic flame-retardant treatment to obtain the super-hydrophobic cotton fiber;
Mg(OH)2is an environment-friendly inorganic flame retardant which has wide source, is not easy to volatilize, does not generate toxic gas and corrosive substances, and is prepared by soaking cotton fiber into Mg (OH)2The solution is dried, and a layer of Mg (OH) can be attached to the surface of the cotton fiber2Gel, wherein a rough surface with a micro-nano structure is constructed on the surface of the cotton fiber, so that the cotton fiber has certain flame retardance;
polydimethylsiloxane is a high molecular organic silicon compound, belongs to an inert substance, is not flammable, has strong hydrophobicity, and is prepared by immersing cotton fibers in Mg (OH)2After the solution, a rough surface is built on the surface of the cotton fiber, then the cotton fiber is immersed into dimethyl siloxane solution, the dimethyl siloxane is concentrated on the surface of the cotton fiber, and a self-protective coating layer Mg (OH) is formed2The fabric is cooperated with dimethyl siloxane, so that the cotton fiber has both flame retardance and strong hydrophobicity, and the waterproof capability of the fabric for the children clothes is improved;
the bamboo pulp fiber belongs to a natural fiber, has excellent moisture absorption and air permeability, good skin-friendly performance, is relatively soft, has small irritation to children skin, has natural antibacterial activity, and has an antibacterial rate of over 94 percent on staphylococcus aureus, escherichia coli, candida albicans and the like when the bamboo pulp fiber is detected by AATCCA6538-2002 textile disinfection technical Specification; the bamboo pulp fiber has high heat resistance, and can make up the poor heat resistance of the super-hydrophobic cotton fiber by matching with the super-hydrophobic cotton fiber, improve the stability of the super-hydrophobic cotton fiber and keep the super-hydrophobic cotton fiber with strong hydrophobicity, thereby improving the waterproof capability of the children garment fabric;
the linen fibers belong to bundle fibers in natural fibers, so that the linen fibers are free of air retention conditions, so that the air permeability of the linen fibers is good, the moisture absorption and heat release speed is high, the linen fibers are matched with the bamboo pulp fibers, the dryness and air permeability of children clothes can be enhanced, a large amount of sweat can be discharged by children, the dryness and air permeability is good, the skin of the children can feel comfortable, and the possibility of bacteria breeding due to the accumulation of the sweat can be reduced;
the nano fiber is an ultra-fine fiber, the nano fiber is filled into the super-hydrophobic cotton fiber, the bamboo pulp fiber and the flax fiber, gaps among the fibers are filled, a stable gas film is formed on the surfaces of the super-hydrophobic fiber, the bamboo pulp fiber and the flax fiber, water molecules can be reduced from passing through the stable gas film, micro-fine particles can be filtered, and the waterproof and dustproof capacity of the fabric of the children clothes is improved; meanwhile, the nano-fiber has good air permeability, and can improve the air permeability of the fabric of the children clothes and reduce the breeding of bacteria by matching with the bamboo pulp fiber and the flax fiber.
The cotton fibers in the bamboo pulp fibers, the flax fibers and the super-hydrophobic cotton fibers belong to natural fibers, and the ratio of the parts of the three fibers is higher than that of the nano fibers, so that the child garment fabric in the proportion has stronger skin-friendly performance, and the child garment fabric meets the standards of child garments and is suitable for being worn by children through the detection of GB31701-2015 safety technical Specification for infant and child textile products.
The invention is further configured to: the children garment fabric comprises the following components in parts by weight: 33-37 parts of super-hydrophobic cotton fiber, 36-40 parts of bamboo pulp fiber, 21.5-24.5 parts of flax fiber and 11.5-13.5 parts of nano fiber;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. raw material preparation
Weighing MgCl2The powder is mixed with water and stirred evenly to obtain MgCl with the concentration of 0.8-1.2 mol/L2An aqueous solution; diluting ammonia water with the concentration of 24.5-25.5% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into precipitant at 2.5-3.5m L/min, and stirring until pH is 10 to obtain Mg (OH)2Solution, after titration, followed byStirring continuously Mg (OH)2The solution is 1.9-2.1 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 9.5-10.5min, and then washing and drying with deionized water to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2Drying the solution at the temperature of 101-105 ℃ after 7-8min in the solution;
b2, repeating the step b1 for 2-3 times;
b3, immersing the cotton fiber obtained in the step b2 in 1.9-2.1% polydimethylsiloxane pyran solution for 4-6min, taking out, and then drying at 99-101 ℃.
By adopting the technical scheme, the bamboo pulp fiber and the flax fiber have good moisture absorption and air permeability and strong bacteriostatic ability, and the super-hydrophobic cotton fiber improves the waterproof ability of the fabric for children clothes; meanwhile, the nano fibers are filled in the bamboo pulp fibers, the flax fibers and the super-hydrophobic cotton fibers, so that the waterproof and dustproof capacity of the fabric for the children clothes is improved, the bamboo pulp fibers and the flax fibers are assisted, the air permeability of the fabric for the children clothes is improved, and the breeding of bacteria is reduced.
The invention is further configured to: in the step b3, the cotton fiber is immersed in 1.98-2.02% polydimethylsiloxane solution for 4.5-5.5 min.
By adopting the technical scheme, because the cotton fiber belongs to natural fiber, the stimulation to the skin of children is small, and although polydimethylsiloxane belongs to an organic compound and is nontoxic, polydimethylsiloxane still belongs to chemical substances, the concentration of polydimethylsiloxane and the time for soaking the cotton fiber into the dimethyl siloxane solution must be strictly controlled, so that the super-hydrophobic cotton fiber can improve the waterproof performance of the fabric of children clothes, and simultaneously can ensure that the stimulation to the skin of children is low, and the influence of the chemical substances on the natural fiber is reduced.
The invention is further configured to: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into a fluorine-containing three-proofing finishing agent with the concentration of 18-22 g/L for 30-40 min;
s2: and washing the bamboo pulp fiber obtained in the step S1 by deionized water, and drying at 98-106 ℃ to obtain the modified bamboo pulp fiber.
By adopting the technical scheme, the bamboo pulp fiber has good moisture absorption and air permeability, but the waterproof performance is poor, the fluorine-containing three-proofing finishing agent is used as a hydrophobic auxiliary agent, the bamboo pulp fiber is modified by the finishing agent, a waterproof film can be formed on the surface of the bamboo pulp fiber, the moisture is prevented from contacting the surface of the bamboo pulp fiber, the moisture is prevented from entering the interior of the bamboo pulp fiber, the modified bamboo pulp fiber has strong hydrophobicity, and the waterproof performance of the children garment fabric is improved.
The invention is further configured to: the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into fluorine-containing three-proofing finishing agent with the concentration of 19.5-20.5 g/L for 33-37 min;
s2: washing the bamboo pulp fiber obtained in the step S1 with deionized water and drying at 100-104 ℃ to obtain the modified bamboo pulp fiber.
By adopting the technical scheme, if the concentration of the fluorine-containing three-proofing finishing agent is low, the auxiliary agent attached to the surface of the bamboo pulp fiber is less, and part of the auxiliary agent enters the inner pores and the surface grooves of the bamboo pulp fiber along with water, so that the moisture absorption and the air permeability of the bamboo pulp fiber are reduced; if the concentration of the fluorine-containing three-proofing finishing agent is high, the auxiliary agent attached to the surface of the bamboo pulp fiber is too much, and the moisture absorption and the air permeability of the bamboo pulp fiber are also influenced, so that the modified bamboo pulp fiber has good moisture absorption and air permeability and good hydrophobicity by strictly controlling the concentration of the fluorine-containing three-proofing finishing agent, and the waterproof capacity of the children garment fabric is improved;
because the fluorine-containing three-proofing finishing agent can form a layer of waterproof film on the surface of the bamboo pulp fiber, if the bamboo pulp fiber is immersed in the fluorine-containing three-proofing finishing agent for a short time, the fluorine-containing three-proofing finishing agent cannot form a layer of waterproof film on the surface of the bamboo pulp fiber; however, if the bamboo pulp fiber is immersed in the fluorine-containing three-proofing finishing agent for too long time, the moisture absorption and air permeability of the bamboo pulp fiber can be reduced due to the fact that a waterproof film formed on the surface of the bamboo pulp fiber by the fluorine-containing three-proofing finishing agent is too thick, and therefore the time for immersing the bamboo pulp fiber in the fluorine-containing three-proofing finishing agent needs to be strictly controlled, the modified bamboo pulp fiber can have good moisture absorption and air permeability and good hydrophobicity, and the waterproof capability of the children garment fabric is improved.
The invention is further configured to: the weight ratio of the modified bamboo pulp fiber to the super-hydrophobic cotton fiber is (1.1-1.135): 1.
By adopting the technical scheme, the modified bamboo pulp fiber has stronger hydrophobicity, and the bamboo pulp fiber can make up the poor heat resistance of the super-hydrophobic cotton fiber, improve the stability of the super-hydrophobic cotton fiber and keep the super-hydrophobic cotton fiber with stronger hydrophobicity, so that the modified bamboo pulp fiber and the super-hydrophobic cotton fiber are matched with each other according to the proportion, and the waterproof capacity of the fabric for children clothes can be enhanced in a synergistic manner.
The invention is further configured to: the weight ratio of the nano fibers to the modified bamboo pulp fibers is 1: (3.15-3.25).
By adopting the technical scheme, the modified bamboo pulp fiber has strong hydrophobicity and good moisture absorption and air permeability, the nano fiber is filled between the modified bamboo pulp fibers as the superfine fiber, the nano fiber and the modified bamboo pulp fiber can improve the waterproof and dustproof capacity of the fabric of the children clothes in a synergistic manner, but the ratio of the nano fiber to the modified bamboo pulp fiber needs to be controlled, if too much nano fiber is added, the modified bamboo pulp fiber is too compact, and the moisture absorption and air permeability of the modified bamboo pulp fiber is influenced.
The invention is further configured to: the weight ratio of the flax fibers to the super-hydrophobic cotton fibers is 1: (1.45-1.7).
By adopting the technical scheme, the super-hydrophobic cotton fiber has stronger hydrophobicity, but the surface of the super-hydrophobic cotton fiber forms the self-protection coating, so that the moisture absorption and air permeability of the cotton fiber is reduced, and the linen fiber and the super-hydrophobic cotton fiber are matched according to the proportion, so that the waterproof performance of the children garment fabric can be improved, and the good air permeability of the children garment fabric can be ensured.
In conclusion, the beneficial technical effects of the invention are as follows:
1. by matching the super-hydrophobic cotton fibers, the bamboo pulp fibers, the linen fibers and the nano fibers, the waterproof and dustproof capacity of the child garment fabric is improved, and the air permeability of the child garment fabric is ensured;
2. by adopting the modified bamboo pulp fiber, the effect of improving the waterproof capability of the fabric of the children clothes is achieved;
3. by strictly controlling the concentration of the polydimethylsiloxane and the time for soaking the cotton fibers into the dimethyl siloxane solution, the effects of improving the waterproof performance of the fabric of the children clothes, simultaneously having low skin irritation to the children and reducing the influence of chemical substances on natural fibers are achieved;
4. the concentration of the fluorine-containing three-proofing finishing agent and the time for soaking the bamboo pulp fiber into the fluorine-containing three-proofing finishing agent are strictly controlled, so that the modified bamboo pulp fiber has good moisture absorption and air permeability and good hydrophobicity, and the waterproof capability of the children garment fabric is improved.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A waterproof and dustproof children garment fabric comprises 30kg of super-hydrophobic cotton fibers, 35kg of bamboo pulp fibers, 20kg of linen fibers and 10kg of nano fibers;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder was mixed with water and stirred well to give MgCl at a concentration of 0.6 mol/L2An aqueous solution; diluting ammonia water with the concentration of 24% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into the precipitant at a speed of 2m L/min, and stirring continuously during the titration process until the pH value is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is kept for 1.8 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 8min, then washing with deionized water and drying in a drying box to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2After 5min in the solution, drying in a drying oven at the temperature of 100 ℃;
b2, repeating the step b1 for 2 times;
b3, immersing the cotton fiber obtained in the step b2 into 1.8 percent polydimethylsiloxane solution for 3min, taking out, and drying in a drying oven at 98 ℃.
Example 2
A waterproof and dustproof children garment fabric comprises 33kg of super-hydrophobic cotton fibers, 36kg of bamboo pulp fibers, 21.5kg of linen fibers and 11.5kg of nano fibers;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder was mixed with water and stirred well to give MgCl at a concentration of 0.8 mol/L2An aqueous solution; diluting ammonia water with the concentration of 24.5% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into precipitant at 2.5m L/min, and stirring until pH is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is for 1.9 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 9.5min, then washing with deionized water and drying in a drying box to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2After 7min in the solution, drying in a drying oven at the temperature of 101 ℃;
b2, repeating the step b1 for 2 times;
b3, immersing the cotton fiber obtained in the step b2 into 1.9 percent polydimethylsiloxane solution for 4min, taking out, and drying in a drying oven at 99 ℃.
Example 3
A waterproof and dustproof children garment fabric comprises 35kg of super-hydrophobic cotton fibers, 38kg of bamboo pulp fibers, 23kg of linen fibers and 12.5kg of nano fibers;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder was mixed with water and stirred well to give MgCl at a concentration of 1 mol/L2An aqueous solution; diluting ammonia water with the concentration of 25% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into the precipitant at a speed of 3m L/min, and stirring continuously during the titration process until the pH value is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is used for 2 hours;
ultrasonically cleaning cotton fibers with ethanol solution for 10min, then washing with deionized water and drying in a drying oven to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2After 7.5min in the solution, drying in a drying oven at the temperature of 103 ℃;
b2, repeating the step b1 for 3 times;
b3, immersing the cotton fiber obtained in the step b2 into 1.95 percent polydimethylsiloxane solution for 4min, taking out, and drying in a drying oven at 100 ℃.
Example 4
A waterproof and dustproof children garment fabric comprises 37kg of super-hydrophobic cotton fibers, 40kg of bamboo pulp fibers, 24.5kg of flax fibers and 13.5kg of nano fibers;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder was mixed with water and stirred well to give MgCl at a concentration of 1.2 mol/L2An aqueous solution; diluting ammonia water with the concentration of 25.5% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into precipitant at 3.5m L/min, and stirring until pH is 10 to obtain Mg (O)H)2The solution was titrated and then stirred for further Mg (OH)2The solution is 2.1 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 10.5min, then washing with deionized water and drying in a drying box to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2After 8min in the solution, drying in a drying oven at 105 ℃;
b2, repeating the step b1 for 3 times;
b3, immersing the cotton fiber obtained in the step b2 in 2.1 percent polydimethylsiloxane solution for 6min, taking out, and drying in a drying oven at 101 ℃.
Example 5
A waterproof and dustproof children garment fabric comprises 40kg of super-hydrophobic cotton fibers, 41kg of bamboo pulp fibers, 26kg of linen fibers and 15kg of nano fibers;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder was mixed with water and stirred well to give MgCl at a concentration of 1.4 mol/L2An aqueous solution; diluting ammonia water with the concentration of 26% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into the precipitant at a speed of 4m L/min, and stirring continuously during the titration process until the pH value is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is 2.2 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 12min, then washing with deionized water and drying in a drying box to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2Drying in a drying oven at 106 deg.C after 10 min;
b2, repeating the step b1 for 3 times;
b3, immersing the cotton fiber obtained in the step b2 into 2.2 percent polydimethylsiloxane solution for 7min, taking out, and drying in a drying oven at 102 ℃.
Example 6
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the method for preparing the super-hydrophobic cotton fiber comprises the step b3 of immersing the cotton fiber into 1.98 percent polydimethylsiloxane solution for 4.5 min.
Example 7
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the method for preparing the super-hydrophobic cotton fiber comprises the step b3 of immersing the cotton fiber into 2% polydimethylsiloxane solution for 5 min.
Example 8
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the method for preparing the super-hydrophobic cotton fiber comprises the step b3 of immersing the cotton fiber into 2.02 percent polydimethylsiloxane solution for 5.5 min.
Example 9
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into a fluorine-containing three-proofing finishing agent with the concentration of 18 g/L for 30 min;
s2: and washing the bamboo pulp fiber obtained in the step S1 by deionized water, and drying at 98 ℃ to obtain the modified bamboo pulp fiber.
Example 10
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into a fluorine-containing three-proofing finishing agent with the concentration of 22 g/L for 40 min;
s2: and washing the bamboo pulp fiber obtained in the step S1 by deionized water and drying at 106 ℃ to obtain the modified bamboo pulp fiber.
Example 11
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into a fluorine-containing three-proofing finishing agent with the concentration of 19.5 g/L for 33 min;
s2: and washing the bamboo pulp fiber obtained in the step S1 by deionized water and drying at 100 ℃ to obtain the modified bamboo pulp fiber.
Example 12
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into fluorine-containing three-proofing finishing agent with the concentration of 20 g/L for 35 min;
s2: and washing the bamboo pulp fiber obtained in the step S1 by deionized water and drying at 102 ℃ to obtain the modified bamboo pulp fiber.
Example 13
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into fluorine-containing three-proofing finishing agent with the concentration of 20.5 g/L for 37 min;
s2: and washing the treated bamboo pulp fiber obtained in the step S1 by deionized water, and drying at 104 ℃ to obtain the modified bamboo pulp fiber.
Example 14
A waterproof and dustproof children garment fabric, which is different from the fabric in embodiment 12 in that: the weight ratio of the modified bamboo pulp fiber to the super-hydrophobic cotton fiber is 1.1:1, wherein the weight ratio of the super-hydrophobic fiber is 35kg, and the weight ratio of the modified bamboo pulp fiber to the super-hydrophobic cotton fiber is 38.5 kg.
Example 15
A waterproof and dustproof children garment fabric, which is different from the fabric in embodiment 12 in that: the weight ratio of the modified bamboo pulp fiber to the super-hydrophobic cotton fiber is 1.135:1, wherein the weight ratio of the super-hydrophobic fiber is 35kg, and the weight ratio of the modified bamboo pulp fiber to the super-hydrophobic cotton fiber is 39.725 kg.
Example 16
A waterproof and dustproof children garment fabric, which is different from the fabric in embodiment 12 in that: the weight ratio of the nano-fiber to the modified bamboo pulp fiber is 1:3.15, wherein the weight ratio of the nano-fiber to the modified bamboo pulp fiber is 12.5kg, and the weight ratio of the modified bamboo pulp fiber to the modified bamboo pulp fiber is 39.375 kg.
Example 17
A waterproof and dustproof children garment fabric, which is different from the fabric in embodiment 12 in that: the weight ratio of the nano-fiber to the modified bamboo pulp fiber is 1:3.25, wherein the weight ratio of the nano-fiber to the modified bamboo pulp fiber is 12.5kg, and the weight ratio of the modified bamboo pulp fiber to the modified bamboo pulp fiber is 40.625 kg.
Example 18
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the weight ratio of the flax fibers to the super-hydrophobic cotton fibers is 1:1.45, wherein 23kg of the flax fibers and 33.35kg of the modified bamboo pulp fibers are used.
Example 19
The waterproof and dustproof children garment fabric is different from the fabric in embodiment 3 in that: the weight ratio of the flax fibers to the super-hydrophobic cotton fibers is 1:1.7, wherein 23kg of the flax fibers and 39.1kg of the modified bamboo pulp fibers are used.
Comparative example 1
The child garment fabric made of pure cotton materials has the cotton fiber content of 100%.
Comparative example 2
The difference from example 3 is that: the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
ultrasonically cleaning cotton fibers with ethanol solution for 10min, then washing with deionized water and drying in a drying oven to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
and (b) immersing the cotton fiber obtained in the step (a) into 1.95% polydimethylsiloxane solution for 4min, taking out, and drying in a drying oven at 100 ℃.
Performance testing
The fabric for children clothes obtained in examples 1 to 19 and comparative examples 1 to 2 were tested for waterproof performance, air permeability, antibacterial performance, dustproof performance, and flame retardant performance:
the detection of the waterproof performance is carried out according to GB/T4744-1997 hydrostatic test for measuring the water impermeability of textile fabrics, which detects that one side of a sample of the fabric of the children clothes is subjected to a continuously rising water pressure under the condition of standard atmospheric pressure until the pressure (KPa) is born when three parts of water are leaked;
the air permeability performance is detected according to GB/T5453-1997 determination of textile fabric air permeability, and the air permeability (mm/s) of the fabric of the children clothes is detected;
the detection of the antibacterial performance is carried out according to GB/T20944.2-2007 evaluation of antibacterial performance of textiles-part 2: the absorption method detects the bacteriostatic rate (%) of the fabric of the children clothes;
the dust-proof performance is detected according to GB17956-2000 dustproof clothing standard, and the dust-proof efficiency (%) of the fabric of the children clothing is detected;
the detection of the flame retardant performance is carried out according to GB8965.1-2009 flame retardant protection part 1: flame-retardant clothes detects the damage length of the fabric of the children clothes when the fabric burns after being washed for 50 times.
TABLE 1 Children clothing fabric performance test result table
Item Bearing water pressure (KPa) Dust control efficiency (%) Air permeability (mm/s) Bacteriostatic ratio (%) Length of damage (mm)
Standard of merit 78.43-196.08 ≥90% / ≥90% ≤100
Example 1 113.45 92.5 35.2 93.3 79.4
Example 2 114.22 93.2 36.5 93.5 79.1
Example 3 130.68 94.8 41.2 95.2 78.2
Example 4 118.23 93.8 37.1 94.1 78.9
Example 5 116.11 93.2 36.8 93.7 79.2
Example 6 140.25 95.2 42.3 95.3 76.2
Example 7 145.31 95.3 43.1 95.5 76.5
Example 8 142.56 95.1 42.2 95.3 76.3
Example 9 158.95 95.8 42.5 95.7 76.1
Example 10 158.56 95.7 42.3 95.4 76.2
Example 11 159.23 95.9 43.5 95.9 76.0
Example 12 161.46 96.2 45.0 96.2 75.8
Example 13 159.11 95.9 43.6 95.9 76.1
Example 14 163.33 96.3 45.1 96.4 75.5
Example 15 162.15 96.3 45.2 96.3 75.4
Example 16 163.65 97.8 49.2 97.2 75.6
Example 17 163.87 97.7 49.3 97.3 75.6
Example 18 161.13 96.2 45.0 96.2 75.2
Example 19 161.87 96.3 45.1 96.2 75.3
Comparative example 1 82.23 56.8 23.6 90.5 160.2
Comparative example 2 100.21 90.11 35.10 93.1 150.4
As can be seen from Table 1, the numerical values of the water pressure bearing capacity, the dustproof efficiency, the air permeability and the antibacterial rate of the examples 1 to 5 are all larger than the numerical value of the comparative example 1, and the damage length after 50 times of washing is smaller than the comparative example 1, which shows that the matching of the super-hydrophobic cotton fiber, the bamboo pulp fiber, the flax fiber and the nano fiber can improve the waterproof and dustproof capacity of the fabric for children clothes, and enhance the flame retardance, the air permeability and the antibacterial rate of the fabric for children clothes; in examples 1-5, the numerical values of the water pressure bearing capacity, the dust-proof efficiency, the air permeability and the bacteriostatic rate of example 3 are the highest, which shows that the water-proof and dust-proof capability of the children garment material can be obviously improved according to the proportion of example 3;
meanwhile, the value of the water pressure born by the example 3 is higher than that of the comparative example 2, and the damage length of the example 3 after being washed for 50 times is obviously smaller than that of the comparative example 2, which shows that the cotton fiber is firstly soaked in Mg (OH)2The waterproof performance and the flame retardant performance of the garment fabric can be obviously improved by immersing the garment fabric in dimethyl siloxane solution;
the numerical values of the water pressure bearing capacity, the dust prevention efficiency, the air permeability and the bacteriostasis rate of the fabric in the embodiments 6 to 8 are higher than those of the fabric in the embodiment 3, wherein the numerical values of the embodiment 7 are the highest, which shows that the super-hydrophobic cotton fiber prepared by strictly controlling the concentration of the polydimethylsiloxane solution and the time for soaking the cotton fiber into the polydimethylsiloxane solution in the step b3 has better hydrophobicity, and the waterproof and dust prevention capacity of the fabric for children clothes is improved;
the numerical values of the water pressure bearing capacity, the dust-proof efficiency, the air permeability and the bacteriostasis rate of the modified bamboo pulp fibers in the examples 9 to 13 are higher than those in the example 3, which shows that the waterproof and dust-proof capacity of the fabric of the children clothes can be obviously improved by adopting the modified bamboo pulp fibers; meanwhile, the numerical values of the embodiment 12, 11 and 13, 9-10 show that the concentration of the fluorine-containing three-proofing finishing agent and the time range of the bamboo pulp fiber immersed in the fluorine-containing three-proofing finishing agent are gradually reduced until the optimal concentration of the fluorine-containing three-proofing finishing agent and the optimal time of the bamboo pulp fiber immersed in the fluorine-containing three-proofing finishing agent are strictly controlled, so that the waterproof, dustproof, breathable and bacteriostatic capabilities of the children garment fabric can be obviously improved;
the numerical values of the bearing water pressure, the dustproof efficiency, the air permeability and the bacteriostasis rate of the fabric in the examples 14 to 15 are higher than those in the example 12, which shows that the waterproof and dustproof capacity of the fabric for children clothes can be improved by controlling the proportion of the modified bamboo pulp fiber and the super-hydrophobic cotton fiber;
the numerical values of the water pressure bearing capacity, the dust-proof efficiency, the air permeability and the bacteriostatic rate of the examples 16-17 are higher than those of the example 12, which shows that the waterproof and dust-proof capacity of the child garment fabric can be improved by controlling the proportion of the nano fibers and the modified fibers, and the air permeability of the child garment fabric is not influenced while the waterproof and dust-proof capacity of the nano fibers is exerted;
the numerical values of the water pressure bearing capacity, the dust-proof efficiency, the air permeability and the bacteriostasis rate of the fabric in the examples 18 to 19 are higher than those in the example 3, which shows that the waterproof and dust-proof capacity of the fabric for children clothes can be improved by controlling the proportion of the flax fibers and the super-hydrophobic cotton fibers.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. The utility model provides a waterproof dirt-proof children's garment materials which characterized in that: the child garment fabric comprises the following components in parts by weight: 30-40 parts of super-hydrophobic cotton fiber, 35-41 parts of bamboo pulp fiber, 20-26 parts of flax fiber and 10-15 parts of nano fiber;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder is mixed with water and stirred evenly to obtain MgCl with the concentration of 0.6-1.4 mol/L2An aqueous solution; diluting ammonia water with the concentration of 24-26% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into precipitant at 2-4m L/min, and stirring until pH is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is 1.8-2.2 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 8-12min, and then washing with deionized water and drying to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2Drying the solution at the temperature of 100-106 ℃ after 5-10 min;
b2, repeating the step b1 for 2-3 times;
b3, immersing the cotton fiber obtained in the step b2 in 1.8-2.2% polydimethylsiloxane solution for 3-7min, taking out, and then drying at 98-102 ℃.
2. The waterproof and dustproof children clothing fabric according to claim 1, characterized in that: the child garment fabric comprises the following components in parts by weight: 33-37 parts of super-hydrophobic cotton fiber, 36-40 parts of bamboo pulp fiber, 21.5-24.5 parts of flax fiber and 11.5-13.5 parts of nano fiber;
the preparation method of the super-hydrophobic cotton fiber comprises the following steps:
a. preparing raw materials:
weighing MgCl2The powder is mixed with water and stirred evenly to obtain MgCl with the concentration of 0.8-1.2 mol/L2An aqueous solution; diluting ammonia water with the concentration of 24.5-25.5% by 10 times to be used as a precipitator; MgCl to be prepared2Dropping the aqueous solution into precipitant at 2.5-3.5m L/min, and stirring until pH is 10 to obtain Mg (OH)2The solution was titrated and then stirred for further Mg (OH)2The solution is 1.9-2.1 h;
ultrasonically cleaning cotton fibers with an ethanol solution for 9.5-10.5min, then washing with deionized water and drying to obtain treated cotton fibers;
b. the preparation process comprises the following steps:
b1 immersing the treated cotton fiber in Mg (OH)2Drying the solution at the temperature of 101-105 ℃ after 7-8min in the solution;
b2, repeating the step b1 for 2-3 times;
b3, immersing the cotton fiber obtained in the step b2 in 1.9-2.1% polydimethylsiloxane solution for 4-6min, taking out, and then drying at 99-101 ℃.
3. The waterproof and dustproof children clothing fabric according to claim 2, characterized in that: in the step b3, the cotton fiber is immersed in 1.98-2.02% polydimethylsiloxane solution for 4.5-5.5 min.
4. The waterproof and dustproof children clothing fabric according to claim 1, characterized in that: the bamboo pulp fiber is modified bamboo pulp fiber;
the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into a fluorine-containing three-proofing finishing agent with the concentration of 18-22 g/L for 30-40 min;
s2: and washing the bamboo pulp fiber obtained in the step S1 by deionized water, and drying at 98-106 ℃ to obtain the modified bamboo pulp fiber.
5. The waterproof and dustproof children clothing fabric according to claim 4, characterized in that: the preparation method of the modified bamboo pulp fiber comprises the following steps:
s1, immersing the bamboo pulp fiber into fluorine-containing three-proofing finishing agent with the concentration of 19.5-20.5 g/L for 33-37 min;
s2: washing the bamboo pulp fiber obtained in the step S1 with deionized water and drying at 100-104 ℃ to obtain the modified bamboo pulp fiber.
6. The waterproof and dustproof children clothing fabric according to claim 4, characterized in that: the weight ratio of the modified bamboo pulp fiber to the super-hydrophobic cotton fiber is (1.1-1.135): 1.
7. The waterproof and dustproof children clothing fabric according to claim 4, characterized in that: the weight ratio of the nano fibers to the modified bamboo pulp fibers is 1: (3.15-3.25).
8. The waterproof and dustproof children clothing fabric according to claim 1, characterized in that: the weight ratio of the flax fibers to the super-hydrophobic cotton fibers is 1: (1.45-1.7).
CN202010324377.8A 2020-04-23 2020-04-23 Waterproof and dustproof children garment fabric Pending CN111455659A (en)

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