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Coating finishing technology of intelligent temperature-regulating textile based on phase change microcapsules

A phase change microcapsule and coating finishing technology, applied in textiles and papermaking, etc., can solve the problems of weak bonding fastness, high thermal conductivity, and low bonding rate between phase change microcapsules and fabrics, and is beneficial to industrial production and The effect of promotion, simple production process and low production cost

Inactive Publication Date: 2020-02-14
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a coating finishing technology for intelligent temperature-regulating textiles based on phase-change microcapsules. The phase-change microcapsules are environmentally friendly, low in price, and high in thermal conductivity, and the formed coating finishing fabric has a high bonding rate Advantages, solve the problem of weak bonding fastness and low bonding rate between phase change microcapsules and fabrics

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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  • Coating finishing technology of intelligent temperature-regulating textile based on phase change microcapsules
  • Coating finishing technology of intelligent temperature-regulating textile based on phase change microcapsules
  • Coating finishing technology of intelligent temperature-regulating textile based on phase change microcapsules

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Effect test

Embodiment 1

[0041]1. raw material preparation: the used fabric of the present invention is the polyester fabric of pretreatment and pre-setting.

[0042] 2. Preparation of phase-change microcapsules: Mix 250 parts of water and 3 parts of CTAB emulsifier evenly, add 40 parts of core material under high-speed stirring, place in a water bath with a constant temperature of 40°C and heat at a temperature of 10,000r / min. Stir at a rotating speed until a stable O / W emulsion is formed, and then add ammonia water dropwise to adjust the pH to 8.5. Then adjust the rotating speed to 360r / min, add the mixed solution of tetraethyl orthosilicate (20 parts) and ethanol (178 parts) to the emulsion drop by drop, after the addition is completed, adjust the rotating speed to 300r / min, Reaction 24h. Take the microcapsule emulsion that has been reacted, centrifuge and take out the solid to dry to obtain SiO 2 Phase change microcapsule powder.

[0043] 3. Coating finishing process combining phase change micr...

Embodiment 2

[0045] 1. raw material preparation: the used fabric of the present invention is the polyester fabric of pretreatment and pre-setting.

[0046] 2. Preparation of phase-change microcapsules: Mix 255 parts of water and 2.5 parts of CTAB emulsifier evenly, add 35 parts of core material under high-speed stirring, place in a water bath with a constant temperature of 45°C and heat at a temperature of 10,000r / min. Stir at a rotating speed until a stable O / W emulsion is formed, and then add ammonia water dropwise to adjust the pH to 8. Then adjust the rotation speed to 360r / min, drop the prepared mixed solution of tetraethyl orthosilicate (18 parts) and ethanol (165 parts) into the emulsion, after the addition is completed, adjust the rotation speed to 300r / min, and react for 24h . Take the microcapsule emulsion that has been reacted, centrifuge and take out the solid to dry to obtain SiO 2 Phase change microcapsule powder.

[0047] 3. Coating finishing process combining phase chang...

Embodiment 3

[0049] 1. raw material preparation: the used fabric of the present invention is the polyester fabric of pretreatment and pre-setting.

[0050] 2. Preparation of phase-change microcapsules: Mix 265 parts of water and 3 parts of CTAB emulsifier evenly, add 40 parts of core material under high-speed stirring, place in a water bath with a constant temperature of 35°C while heating in a water bath at a temperature of 10,000r / min Stir at a rotating speed until a stable O / W emulsion is formed, and then add ammonia water dropwise to adjust the pH to 9. Then adjust the rotation speed to 360r / min, add the mixed solution of tetraethyl orthosilicate (20 parts) and ethanol (175 parts) dropwise into the emulsion, after the addition is completed, adjust the rotation speed to 300r / min, and react for 24h . Take the microcapsule emulsion that has been reacted, centrifuge and take out the solid to dry to obtain SiO 2 Phase change microcapsule powder.

[0051] 3. Coating finishing process comb...

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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Abstract

The invention discloses a coating finishing technology of an intelligent temperature-adjusting textile based on phase change microcapsules. The coating finishing technology comprises the following steps: (1) raw material preparation, wherein the used fabric is a polyester fabric; (2) preparation of the phase change microcapsules; and (3) a coating finishing process for combining the phase change microcapsules with the polyester fabric: firstly, uniformly mixing 40-50 parts of water and 1-3 parts of a dispersing agent, sequentially adding 10-15 parts of an aqueous polyacrylate coating agent under high-speed stirring, then stirring for 10 min at the rotating speed of 2000 r / min, then adding 25-30 parts of phase change microcapsule powder, finally stirring for 30 min at the rotating speed of800 r / min, then adding 2-5 parts of a crosslinking agent and 1-3 parts of a thickening agent, and uniformly stirring at low speed to form slurry for later use. The phase change microcapsules are environment-friendly, low in price and high in heat conductivity coefficient, the formed coating finishing fabric has the advantage of high bonding rate, and the problems of weak bonding fastness and low bonding rate of the phase change microcapsules and the fabric are solved.

Description

technical field [0001] The invention belongs to the field of fabric coating preparation, and in particular relates to a coating finishing technology for intelligent temperature-regulating textiles based on phase change microcapsules. Background technique [0002] Phase change materials (PCMs) are a class of materials that can store energy and heat and utilize heat efficiently. There are many kinds of phase change materials, among which solid-liquid phase change materials are the most widely used due to the strong controllability of the phase change process and the ability to be recycled many times. Changes, such as the phase transition between solid and liquid, will cause volume changes, easy melting and leakage during the transition process, which largely limits the application. [0003] The microencapsulation of phase change materials can effectively solve the problems of easy melting and leakage of phase change materials, that is, to select appropriate wall materials and...

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): D06N3/00D06N3/04
CPCD06N3/0036D06N3/0059D06N3/0063D06N3/0068D06N3/0077D06N3/042D06N2205/08D06N2209/06
Inventor 杨建周岚张国庆刘国金王成龙
Owner ZHEJIANG SCI-TECH UNIV
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