WO2018209908A1 - 一种表面疏水的感温变色面料的制备方法 - Google Patents

一种表面疏水的感温变色面料的制备方法 Download PDF

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WO2018209908A1
WO2018209908A1 PCT/CN2017/110783 CN2017110783W WO2018209908A1 WO 2018209908 A1 WO2018209908 A1 WO 2018209908A1 CN 2017110783 W CN2017110783 W CN 2017110783W WO 2018209908 A1 WO2018209908 A1 WO 2018209908A1
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thermochromic
hydrophobic
fabric
preparing
total mass
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PCT/CN2017/110783
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English (en)
French (fr)
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刘海东
王栋
张�浩
鲁振坦
林华雄
赵青华
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广东柏堡龙股份有限公司
武汉纺织大学
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Publication of WO2018209908A1 publication Critical patent/WO2018209908A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • 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
    • D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
    • D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
    • D06M14/26—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin
    • D06M14/30—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M14/32—Polyesters
    • 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
    • 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
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties

Definitions

  • the invention relates to the technical field of functional fabrics, in particular to a method for preparing a thermosensitive color-changing fabric with a surface hydrophobicity.
  • the intelligent color-changing fabric can change the color according to the change of the external environment, and it can respond to the external environment intelligently, and can change the clothing from “static” to “dynamic”.
  • a functional fiber developed by the thermochromic material that exhibits a change in the absorption spectrum when heated or cooled, has important applications in military camouflage, medical temperature sensing, etc., especially when used in high temperature warning, with a thermometer, an infrared thermometer Compared with thermochromic fiber products, thermochromic materials have obvious advantages. Thermochromic materials are sensitive to temperature, and their fiber products are easy to carry, low in cost, and can directly monitor temperature changes. Therefore, thermochromic fiber products need high temperature warning. Machines, bedding (such as electric blankets, etc.), automotive interiors and other occasions have great potential for development.
  • the object of the present invention is to overcome the deficiencies in the prior art and to provide a method for preparing a thermosensitive color-changing fabric having a hydrophobic surface.
  • the present invention provides a method for preparing a surface hydrophobic thermochromic fabric, comprising the following steps:
  • thermochromic nano powder and a hydrophobic polymer (1) preparing a superfine fiber composited by a thermochromic nano powder and a hydrophobic polymer by a spinning method
  • the superfine fiber according to the step (1) is dispersed by high-speed shear to obtain a suspension containing ultra-fine particles combined with a thermochromic nano-powder and a hydrophobic polymer;
  • the base polymerization initiator constitutes a functional finishing liquid, and the polymerization monomer is ethylene glycol dimethacrylate, methacrylic acid or methyl methacrylate;
  • thermosensitive color-changing fabric having a hydrophobic surface.
  • the baking temperature of the step (4) is 130-150 ° C, the baking time is 5-8 min; after the baking is completed, the fabric weight gain is 9-12 g/m 2 .
  • the total amount of the polymerization monomer added in the step (3) accounts for 35-40% of the total mass of the functional finishing liquid, and the ethylene glycol dimethacrylate accounts for 3-8 of the total mass of the polymerization monomer. %.
  • the content of the radical polymerization initiator in the step (3) is 0.8 to 1% of the total mass of the polymerized monomers.
  • the sodium carboxymethylcellulose in the step (3) is added in an amount of 0.3 to 0.5% of the total mass of the functional finishing liquid.
  • the ultrafine fibers of the step (1) have a diameter of 300 to 700 nm.
  • the ultrafine particles account for 30-40% of the total mass of the functional finishing liquid.
  • the high speed shear dispersion speed of the step (2) is higher than 1000 rmp/min, and the time is greater than 50 min.
  • the invention designs a preparation method of a surface hydrophobic thermochromic fabric, which can form a functional fabric obtained by finishing a common polyester fabric.
  • the ultrafine particles compounded by the hydrophobic thermoplastic polymer and the thermochromic nano powder are prepared in advance, and after the ultrafine particles are supported on the surface of the fabric, a microstructure similar to the lotus leaf structure is formed on the surface of the fabric, and the hydrophobicity is excellent.
  • the ultrafine particles contain the thermochromic nano-powder, which can change the color according to the change of the human body surface temperature.
  • the invention can form a three-dimensional network cross-linking by adding a polymerization monomer to ethylene glycol dimethacrylate, methacrylic acid or methyl methacrylate, and the ultrafine particles can be stably adhered. On the surface of the fabric. It is resistant to washing and long-term use.
  • the radical polymerization initiator generates free radicals under heating conditions, and the in situ polymer of ethylene glycol dimethacrylate, methacrylic acid and methyl methacrylate acts as a binder to make the ultrafine particles Efficient adhesion to the surface of the fabric.
  • Methyl methacrylate has a high transparency, making color changes easier to observe.
  • the polymerized monomer accounts for 35-40% of the total mass of the functional finishing liquid, and the ethylene glycol dimethacrylate accounts for 3-8% of the total amount of the polymer monomer. Excessive polymerization monomer concentration and ethylene glycol dimethacrylate content, It will make the finished fabric harden and affect the hand feeling; and too low monomer concentration and cross-linking agent content will reduce the adhesion fastness.
  • the content of the radical polymerization initiator is 0.8 to 1% of the total mass of the polymerized monomers, and the binder obtained in this range can achieve both the adhesion fastness and the hand feeling.
  • the addition amount of sodium carboxymethyl cellulose is 0.3-0.5% of the total mass of the functional finishing liquid. If the concentration is too high, the viscosity of the system will be greatly changed, which is not conducive to the uniform mixing of the components. The process brings difficulties; the low viscosity of the concentration system makes the ultrafine particles have a tendency to gradually accumulate, which makes it easy to distribute the thermochromic particles on the surface of the fabric during the post-processing.
  • the lower baking temperature or shorter time will make the polymerization incomplete, which is not conducive to the loading of ultrafine particles on the surface of the fabric; the higher temperature and too long time will have a certain influence on the strength of the fabric, and will damage the temperature and discoloration.
  • the temperature-changing ability of nano-powders The temperature-changing ability of nano-powders.
  • the diameter of the ultrafine fibers in the step (1) is 300 to 700 nm.
  • the hydrophobic effect is lowered, and the temperature-changing ability is affected, and below 300 nm, the production cost is greatly increased, and correspondingly The hydrophobic effect and temperature-changing ability have not been improved.
  • thermochromic fabric A method for preparing a surface-temperature sensitive thermochromic fabric, comprising the steps of:
  • thermochromic nano-powder preparing a super-fine fiber composited by a thermochromic nano-powder and a hydrophobic polymer by a spinning method, the microfiber having a diameter of 300 nm;
  • the ultrafine fiber according to the step (1) is dispersed by high-speed shear to obtain a suspension containing the thermosensitive nano-powder and the hydrophobic polymer composite ultrafine particles, and the high-speed shearing
  • the dispersed speed is higher than 1000rmp/min, and the time is greater than 50min;
  • step (3) adding a polymerizable monomer, sodium carboxymethylcellulose, and a radical polymerization initiator to the suspension described in the step (2) to form a functional finishing liquid, wherein the polymerization monomer is ethylene glycol. Dimethacrylate, methacrylic acid, methyl methacrylate, the total amount of polymerized monomers added is 35% of the total mass of the functional finishing liquid, and the ethylene glycol dimethacrylate accounts for the total amount of the polymerized monomers.
  • the content of the radical polymerization initiator is 0.9% of the total mass of the polymerized monomers, and the amount of sodium carboxymethylcellulose added is 0.5% of the total mass of the functional finishing liquid, after the ultrafine particles account for the functionality 30% of the total mass of the finishing liquid;
  • the functional finishing liquid described in the step (3) is smeared on the surface of the ordinary fabric, and then baked to obtain a surface-temperature sensitive color-changing fabric, baking temperature 150 ° C, baking time 5 min; baking Upon completion, the fabric weight gain is 9-12 g/m2.
  • thermochromic fabric A method for preparing a surface-temperature sensitive thermochromic fabric, comprising the steps of:
  • the ultrafine fiber according to the step (1) is dispersed by high-speed shear to obtain a suspension containing the thermosensitive nano-powder and the hydrophobic polymer composite ultrafine particles, and the high-speed shearing
  • the dispersed speed is higher than 1000rmp/min, and the time is greater than 50min;
  • the functional finishing liquid described in the step (3) is smeared on the surface of the ordinary fabric, and then baked to obtain a surface-temperature sensitive color-changing fabric, baking temperature 130 ° C, baking time 8 min; baking Upon completion, the fabric weight gain is 9-12 g/m2.
  • thermochromic fabric A method for preparing a surface-temperature sensitive thermochromic fabric, comprising the steps of:
  • thermosensitive discoloration nano powder and a hydrophobic polymer composite ultrafine fiber the diameter of the ultrafine fiber is 500 nm
  • the ultrafine fiber according to the step (1) is dispersed by high-speed shear to obtain a suspension containing the thermosensitive nano-powder and the hydrophobic polymer composite ultrafine particles, and the high-speed shearing
  • the dispersed speed is higher than 1000rmp/min, and the time is greater than 50min;
  • step (3) adding a polymerizable monomer, sodium carboxymethylcellulose, and a radical polymerization initiator to the suspension described in the step (2) to form a functional finishing liquid, wherein the polymerization monomer is ethylene glycol. Dimethacrylate, methacrylic acid, methyl methacrylate, the total amount of the polymerized monomers added is 37.5% of the total mass of the functional finishing liquid, and the ethylene glycol dimethacrylate accounts for the total amount of the polymerized monomers.
  • the content of the agent is 1% of the total mass of the polymerized monomer, the amount of sodium carboxymethyl cellulose added is 0.4% of the total mass of the functional finishing liquid, and the ultrafine particles account for 35% of the total mass of the functional finishing liquid;
  • the functional finishing liquid described in the step (3) is smeared on the surface of the ordinary fabric, and then baked to obtain a surface-temperature sensitive color-changing fabric, baking temperature of 140 ° C, baking time of 6.5 min; After the baking is completed, the fabric weight gain is 9-12 g/m2.
  • the surface-hydrophobic color-changing fabric obtained by the methods of the above Examples 1 to 3, the surface-sensitive thermochromic fabric obtained by the methods of Examples 1 to 3 were washed 20 times, and the common fabric was subjected to a blank control to perform hydrophobicity. Function and temperature change function test, as shown in Table 1.
  • the hydrophobic function test is to place the fabric at an angle of 30, and then spray the surface of the fabric with water for 1 minute, and finally measure the increase in the weight of the fabric.
  • thermochromic function test is to observe the color change of the fabric at a normal temperature and a room temperature of 40 degrees.
  • thermochromic fabric of the present invention has excellent hydrophobic properties and thermochromic effects, and the effect of the present invention is stable and washable, even after washing. After 20 times, it does not affect the effect of the function.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

本发明公开了一种表面疏水的感温变色面料的制备方法，可以形成一种功能面料，该面料由普通聚酯面料后整理而得到。预先制备得到由疏水热塑性聚合物与感温变色纳米粉体复合的超细微粒，将超微粒子负载在面料表面后，在面料表面形成类似于荷叶结构的微观结构，具备优异的疏水性。同时超微粒子内含有感温变色纳米粉体，可以根据人体表温度的变化实现颜色的改变。

Description

一种表面疏水的感温变色面料的制备方法 技术领域
本发明涉及功能性面料技术领域，尤其是一种表面疏水的感温变色面料的制备方法。
背景技术
随着社会科学和经济水平的提高、审美观念的改变，人们对服装已经突破了传统的舒适耐用的需求，这就要求服装材料有时代感、科学性、创造性。因此，在新的时代开发出新型的智能响应性服用新材料具有重要的战略地位和行业推动作用。
智能变色面料可以根据外界环境的变化而发生颜色的改变，起到对外界环境智能响应作用，可以使服装由“静态”变为“动态”。热敏变色材料在受热或冷却时可见吸收光谱发生变化的性质而开发的一种功能纤维，在军事伪装，医用示温等领域有重要应用，特别应用在高温警示时，与体温计、红外测温仪等相比，热致变色纤维制品有明显的优势，热致变色材料对温度的响应灵敏，其纤维制品方便携带，成本低廉，可直观监测温度的变化，因此热致变色纤维制品在需要高温警示的机器、床上用品(如电热毯等)、车用内饰等场合具有巨大的开发潜力。
发明内容
本发明的目的在于克服现有技术中的缺陷，提供一种表面疏水的感温变色面料的制备方法。
为了实现上述目的，本发明提供的一种表面疏水的感温变色面料的制备方法，包括以下步骤：
(1)、通过纺丝法制备得到感温变色纳米粉体和疏水性聚合物复合的超细纤维；
(2)、将步骤(1)所述的超细纤维通过高速剪切分散得到悬浊液，所述悬浊液含有感温变色纳米粉体和疏水性聚合物复合的超微粒子；
(3)、将步骤(2)所述的悬浊液中加入聚合单体、羧甲基纤维素钠与自由 基聚合引发剂构成功能性后整理液，所述的聚合单体为乙二醇二甲基丙烯酸酯、甲基丙烯酸、甲基丙烯酸甲酯；
(4)、将步骤(3)所述的功能性后整理液刮涂在普通面料表面，然后经烘焙即可得到表面疏水的感温变色面料。
优选的，步骤(4)所述烘焙的温度130-150℃，烘焙的时间5-8min；烘焙完成后，面料克重增加量在9-12g/m2。
优选的，步骤(3)所述聚合单体的添加总量占功能性后整理液总质量的35～40％，所述乙二醇二甲基丙烯酸酯占聚合单体总质量的3～8％。
优选的，步骤(3)所述自由基聚合引发剂含量为聚合单体总质量的0.8～1％。
优选的，步骤(3)所述羧甲基纤维素钠的添加量为功能性后整理液总质量的0.3～0.5％。
优选的，步骤(1)所述超细纤维的直径为300～700nm。
优选的，所述超微粒子占功能性后整理液总质量的30～40％。
优选的，步骤(2)所述高速剪切分散的转速高于1000rmp/min，时间大于50min。
本发明的有益效果：
1、本发明设计一种表面疏水的感温变色面料的制备方法，可以形成一种功能面料，该面料由普通聚酯面料后整理而得到。预先制备得到由疏水热塑性聚合物与感温变色纳米粉体复合的超细微粒，将超微粒子负载在面料表面后，在面料表面形成类似于荷叶结构的微观结构，具备优异的疏水性。同时超微粒子内含有感温变色纳米粉体，可以根据人体表温度的变化实现颜色的改变。本发明通过加入聚合单体为乙二醇二甲基丙烯酸酯、甲基丙烯酸、甲基丙烯酸甲酯，在这三者的共同作用下可以形成三维网络状交联，使超微粒子稳定的粘附在面料表面。具备有耐洗涤性和长期使用的稳定性。
2、自由基聚合引发剂在加热条件下产生自由基，引发乙二醇二甲基丙烯酸酯、甲基丙烯酸和甲基丙烯酸甲酯的原位聚合物起到粘合剂的作用，使超微粒子高效的粘附在面料表面。
3、甲基丙烯酸甲酯透明度较高，使颜色改变更容易被观察。
4、聚合单体占功能性后整理液总质量的35-40％，且乙二醇二甲基丙烯酸酯占聚合物单体总量的3-8％。过高的聚合单体浓度和乙二醇二甲基丙烯酸酯含量， 会使后整理后的面料变硬，影响手感；而过低的单体浓度和交联剂含量，会降低粘合牢固度。
5、自由基聚合引发剂含量为聚合单体总质量的0.8～1％，该范围内得到的粘合剂能兼顾粘合牢度和手感。
6、羧甲基纤维素钠的添加量为功能性后整理液总质量的0.3～0.5％，过高的浓度会使体系粘度变的很大而不利于各组分的均匀混合，也会后续工序带来困难；过低的浓度体系粘度较低使超细微粒子有逐渐聚沉的倾向，易使后期加工过程中感温变色微粒子在面料表面分布不均匀。
7、烘焙温度较低或者时间较短会使聚合不完全，不利于超微粒子在面料表面的负载；温度较高和时间过长，会对面料的强度有一定的影响，并且会损害感温变色纳米粉体的感温变色能力。
8、步骤(1)所述超细纤维的直径为300～700nm，当直径超过700nm将会使疏水效果降低，同时影响感温变色能力，而低于300nm将会大大提高生产成本，而相应的疏水效果与感温变色能力却没有得到提升。
具体实施方式
以下对本发明的实施方式作详细说明。应该强调的是，下述说明仅仅是示例性的，而不是为了限制本发明的范围及其应用。
实施例1：
一种表面疏水的感温变色面料的制备方法，包括以下步骤：
(1)、通过纺丝法制备得到感温变色纳米粉体和疏水性聚合物复合的超细纤维，超细纤维的直径为300nm；
(2)、将步骤(1)所述的超细纤维通过高速剪切分散得到悬浊液，所述悬浊液含有感温变色纳米粉体和疏水性聚合物复合的超微粒子，高速剪切分散的转速高于1000rmp/min，时间大于50min；
(3)、将步骤(2)所述的悬浊液中加入聚合单体、羧甲基纤维素钠与自由基聚合引发剂构成功能性后整理液，所述的聚合单体为乙二醇二甲基丙烯酸酯、甲基丙烯酸、甲基丙烯酸甲酯，聚合单体的添加总量占功能性后整理液总质量的35％，所述乙二醇二甲基丙烯酸酯占聚合单体总质量的3％，自由基聚合引发剂含量为聚合单体总质量的0.9％，羧甲基纤维素钠的添加量为功能性后整理液总质量的0.5％，所述超微粒子占功能性后整理液总质量的30％；
(4)、将步骤(3)所述的功能性后整理液刮涂在普通面料表面，然后经烘焙即可得到表面疏水的感温变色面料，烘焙的温度150℃，烘焙的时间5min；烘焙完成后，面料克重增加量在9-12g/㎡。
实施例2：
一种表面疏水的感温变色面料的制备方法，包括以下步骤：
(1)、通过纺丝法制备得到感温变色纳米粉体和疏水性聚合物复合的超细纤维，超细纤维的直径为700nm；
(2)、将步骤(1)所述的超细纤维通过高速剪切分散得到悬浊液，所述悬浊液含有感温变色纳米粉体和疏水性聚合物复合的超微粒子，高速剪切分散的转速高于1000rmp/min，时间大于50min；
(3)、将步骤(2)所述的悬浊液中加入聚合单体、羧甲基纤维素钠与自由基聚合引发剂构成功能性后整理液，所述的聚合单体为乙二醇二甲基丙烯酸酯、甲基丙烯酸、甲基丙烯酸甲酯，聚合单体的添加总量占功能性后整理液总质量的40％，所述乙二醇二甲基丙烯酸酯占聚合单体总质量的8％，自由基聚合引发剂含量为聚合单体总质量的0.8％，羧甲基纤维素钠的添加量为功能性后整理液总质量的0.3％，所述超微粒子占功能性后整理液总质量的40％；
(4)、将步骤(3)所述的功能性后整理液刮涂在普通面料表面，然后经烘焙即可得到表面疏水的感温变色面料，烘焙的温度130℃，烘焙的时间8min；烘焙完成后，面料克重增加量在9-12g/㎡。
实施例3：
一种表面疏水的感温变色面料的制备方法，包括以下步骤：
(1)、通过纺丝法制备得到感温变色纳米粉体和疏水性聚合物复合的超细纤维，超细纤维的直径为500nm；
(2)、将步骤(1)所述的超细纤维通过高速剪切分散得到悬浊液，所述悬浊液含有感温变色纳米粉体和疏水性聚合物复合的超微粒子，高速剪切分散的转速高于1000rmp/min，时间大于50min；
(3)、将步骤(2)所述的悬浊液中加入聚合单体、羧甲基纤维素钠与自由基聚合引发剂构成功能性后整理液，所述的聚合单体为乙二醇二甲基丙烯酸酯、甲基丙烯酸、甲基丙烯酸甲酯，聚合单体的添加总量占功能性后整理液总质量的37.5％，所述乙二醇二甲基丙烯酸酯占聚合单体总质量的5.5％，自由基聚合引发 剂含量为聚合单体总质量的1％，羧甲基纤维素钠的添加量为功能性后整理液总质量的0.4％，所述超微粒子占功能性后整理液总质量的35％；
(4)、将步骤(3)所述的功能性后整理液刮涂在普通面料表面，然后经烘焙即可得到表面疏水的感温变色面料，烘焙的温度140℃，烘焙的时间6.5min；烘焙完成后，面料克重增加量在9-12g/㎡。
功能性结果测试：
对上述实施例1～3方法制得的表面疏水的感温变色面料、将实施例1～3方法制得的表面疏水的感温变色面料水洗20次后、以及普通面料进行空白对照，进行疏水功能与感温变色功能测试，如表1所示。
所述疏水功能测试为将面料倾斜角度为30放置，然后采用水对面料表面喷淋1分钟，最后测量面料克重增加量。
所述感温变色功能测试为将面料分别放置在常温与室温为40度进行颜色变化对比的观察。
表1本发明一种表面疏水的感温变色面料的功能测试结果
Figure PCTCN2017110783-appb-000001
由表1可以看出，本发明的一种表面疏水的感温变色面料具备有优秀的疏水性能与感温变色效果，且本发明具备的该效果具有稳定性与耐洗涤性，即使经过水洗处理20次后，也不对该功能效果产生影响。
最后应说明的是：显然，上述实施例仅仅是为清楚地说明本发明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引申出的显而易见的变化或变动仍处于本发明的保护范围之中。

Claims (8)

  1. 一种表面疏水的感温变色面料的制备方法，其特征在于，包括以下步骤：
    (1)、通过纺丝法制备得到感温变色纳米粉体和疏水性聚合物复合的超细纤维；
    (2)、将步骤(1)所述的超细纤维通过高速剪切分散得到悬浊液，所述悬浊液含有感温变色纳米粉体和疏水性聚合物复合的超微粒子；
    (3)、将步骤(2)所述的悬浊液中加入聚合单体、羧甲基纤维素钠与自由基聚合引发剂构成功能性后整理液，所述的聚合单体为乙二醇二甲基丙烯酸酯、甲基丙烯酸、甲基丙烯酸甲酯；
    (4)、将步骤(3)所述的功能性后整理液刮涂在普通面料表面，然后经烘焙即可得到表面疏水的感温变色面料。
  2. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，步骤(4)所述烘焙的温度130-150℃，烘焙的时间5-8min；烘焙完成后，面料克重增加量在9-12g/㎡。
  3. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，步骤(3)所述聚合单体的添加总量占功能性后整理液总质量的35～40％，所述乙二醇二甲基丙烯酸酯占聚合单体总质量的3～8％。
  4. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，步骤(3)所述自由基聚合引发剂含量为聚合单体总质量的0.8～1％。
  5. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，步骤(3)所述羧甲基纤维素钠的添加量为功能性后整理液总质量的0.3～0.5％。
  6. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，步骤(1)所述超细纤维的直径为300～700nm。
  7. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，所述超微粒子占功能性后整理液总质量的30～40％。
  8. 根据权利要求1所述的一种表面疏水的感温变色面料的制备方法，其特征在于，步骤(2)所述高速剪切分散的转速高于1000rmp/min，时间为大于50min。
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