Preparation method for composite yarn with radiation refrigeration function, and fabric

A technology of radiative cooling and composite yarn, applied in yarn, textile, papermaking, textile and other directions, can solve the problems of low mass fraction of functional fillers, inability to effectively block the input heat radiation of solar radiation, and limit the effect of radiation cooling. The effect of short, excellent radiation refrigeration performance, and simple preparation method

Active Publication Date: 2020-08-21
武汉新润兴材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mass fraction of functional fillers doped with this radiative cooling fiber is low, which cannot effectively block the input of solar radiation and maximize the heat radiation of the human body, limiting its radiative cooling effect
[0012] In summary, the existing patents lack the technology of preparing radiative cooling functional composite yarns and their fabrics by introducing inorganic micro-nano particles whose concentration can be adjusted in a wide range, so that the functional yarns have both excellent radiative cooling performance and good weavable performance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Preparation method for composite yarn with radiation refrigeration function, and fabric
  • Preparation method for composite yarn with radiation refrigeration function, and fabric
  • Preparation method for composite yarn with radiation refrigeration function, and fabric

Examples

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preparation example Construction

[0037] The invention provides a method for preparing composite yarn with radiation cooling function, such as image 3 As shown, it specifically includes the following steps:

[0038] 101. Preparation of cold-sensing non-woven strips

[0039] Blend the cold-sensing fiber and conventional fiber to form a web, and then prepare the blended fiber into a non-woven surface material through non-woven processes such as needle punching and thermal bonding, and then cut the non-woven fabric surface material to prepare a cool-sensing non-woven fabric strip Tape S1, wound on a bobbin package. Wherein, the cold-sensing fiber is a fiber obtained by blending and spinning micro-nano particles and polymers, and the micro-nano particles therein have a particle size of 0.03 μm-250 μm and a mass concentration of 1%-80%.

[0040] 102. Prepare a non-woven fabric strip S2 covered with micro-nano particles, the non-woven fabric strip S2 covered with micro-nano particles includes a fiber strip, and t...

Embodiment 1

[0065] In this embodiment, the base material of the radiative cooling functional composite yarn prepared by this method is polyethylene (PE) non-woven flexible fiber strips, and the doped inorganic micro-nano particles are TiO 2 , with an average particle size of about 600nm, accounting for 5% of the total volume of the composite yarn with radiative refrigeration function.

[0066] The specific preparation steps are 101, the preparation of the cool non-woven fabric strip S1;

[0067] The doped particle size is 0.03μm-250μm, the mass concentration is 1%-80% TiO 2 The cooling fibers of micro-nano particles are mixed with conventional fibers to form a web, and then the mixed fibers are prepared into non-woven surface materials through non-woven processes such as needle punching and thermal bonding, and then the non-woven surface materials are cut to prepare cold-feeling non-woven fabrics. Spun fabric strip S1 is wound on a bobbin package.

[0068] 102. Preparation of non-woven ...

Embodiment 2

[0083] In this embodiment, the base material of the radiative cooling functional composite yarn is polypropylene (PP) non-woven flexible fiber strip, and the doped inorganic micro-nano particles are TiO 2 , The average particle size is about 600nm, accounting for 5% of the total volume of the composite yarn.

[0084] The preparation method specifically includes:

[0085] 101. Preparation of cool non-woven fabric strip S1; specific steps are the same as in Example 1,

[0086] 102. Preparation of non-woven fabric strip S2 covered with micro-nano particles; including:

[0087] 1021, preparation of fiber strips,

[0088] The polypropylene non-woven flexible surface material with an area density of 5 g / m2 is cut into uniform fiber strips with a linear density of 50 g / km and a width of 10 mm by a cutting machine, and each fiber strip is rolled separately. Winding on the bobbin to form a strip bobbin package.

[0089] 1022, the fiber strips are covered with micro-nano particles, ...

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Abstract

The invention discloses a preparation method for a composite yarn with a radiation refrigeration function, and a fabric. The preparation method for the composite yarn with the radiation refrigerationfunction, and the fabric comprises the following steps: preparing a cold-sense non-woven fabric strip; preparing a non-woven fabric strip fully attached with micro-nano particles; preparing a composite fiber strip from the cold-sense non-woven fabric strip and the non-woven fabric strip fully attached with the micro-nano particles; preparing a composite yarn core from the composite fiber strip; carrying out forming processing on the composite yarn core to form the composite yarn; and preparing the fabric from the composite yarn. According to the preparation method for the composite yarn with the radiation refrigeration function, and the fabric, the inorganic micro-nano particles with a concentration which is adjustable in a large range are introduced outside and inside the yarn by virtue of a padding method and a coating method, and the radiation-refrigeration composite yarn appliable to cooling for human skin, and the fabric are prepared; and the preparation method is simple and shortin flow, and solves the problems of inapplicability to cooling for human skin, complex process, difficulty of being subjected to textile processing, and poor refrigeration effect of an existing radiation-refrigeration material.

Description

technical field [0001] The invention relates to the field of radiation refrigeration, in particular to a method for preparing composite yarn with radiation refrigeration function and its fabric. Background technique [0002] Traditional building thermal regulation systems often generate huge energy consumption in response to extreme weather such as high temperature, and cause climate problems such as the greenhouse effect. The demand for cooling systems is increasing year by year, which not only poses a serious threat to the production economy, but also greatly hinders the sustainable development of human beings. Improving the efficiency of cooling systems by reducing the need for indoor thermoregulation will therefore have a significant impact on global energy use and is a key part of the energy challenge. [0003] With the rapid development of refrigeration technology, zero-energy radiation refrigeration technology based on personal thermal management has become the best ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/04D02G3/06D02G3/44D03D15/00D02G3/36D03D15/47D03D15/50
CPCD03D15/00D02G3/04D02G3/06D02G3/44D02G3/36
Inventor 陶光明夏治刚徐卫林马耀光曾少宁向远卓
Owner 武汉新润兴材料科技有限公司
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