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A flame-retardant, heat-insulating and cooling-proof, waterproof synthetic leather for tarpaulins and its preparation method

A technology of synthetic leather and flame-retardant polymers, applied in non-woven fabrics, filament/thread forming, transportation and packaging, etc., can solve the problems of flame retardancy, heat insulation, and poor sun protection effects, and avoid excessive temperature rise Fast, well-selected radiation effects

Active Publication Date: 2022-04-19
HUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The synthetic leather of the present invention has multiple functions including flame retardancy, heat insulation and refrigeration, sun protection, and waterproof, and the sun protection function and heat insulation function are shared by a multi-layer structure, which overcomes the flame retardancy, Insufficient performance and defects such as poor heat insulation and sun protection effect, wide application fields

Method used

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  • A flame-retardant, heat-insulating and cooling-proof, waterproof synthetic leather for tarpaulins and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Preparation of synthetic leather for flame-retardant, heat-insulating and cooling, sun-proof and waterproof tarpaulins, the base fabric is made of 100% polyester fiber woven fabric (the warp and weft yarn raw material is polyester yarn, the warp and weft yarn specification is 30tex, and the warp density is 280 pieces / 10cm, weft yarn is 200 pieces / 10cm), including the following steps:

[0064] S1. Immerse the base cloth in 8g / L sodium dodecylbenzenesulfonate solution, heat it in a water bath to 60°C, and stir it magnetically for 10 minutes. Take out the base cloth and rinse it with deionized water to remove impurities on the surface of the base cloth.

[0065] S2. Select aramid fiber 1313 and vacuum dry it, then place it in DMAc / LiCl (mass ratio 91:9) ionic liquid, and heat it with magnetic stirring at 60°C for 6 hours until it is completely dissolved to form a spinning solution. After defoaming, it is injected into the electrospinning device, and the base cloth covered...

Embodiment 2

[0075] Preparation of synthetic leather for flame-retardant, heat-insulating and cooling, sun-proof and waterproof tarpaulins. The base fabric is made of 100% cotton fiber woven fabric (the warp and weft yarn raw material is pure cotton yarn, the warp and weft yarn specification is 28tex, and the warp density is 210 threads / 10cm, the weft is 150 threads / 10cm), including the following steps:

[0076] S1. Immerse the base fabric in 10g / L sodium dodecylbenzenesulfonate solution, heat it in a water bath to 50°C, and stir it magnetically for 12 minutes. Take out the base fabric and rinse it with deionized water to remove impurities on the surface of the base fabric.

[0077] S2. Select aramid fiber 1313 and vacuum dry it, then place it in DMAc / LiCl (mass ratio 91:9) ionic liquid, and heat it with magnetic stirring at 60°C for 6 hours until it is completely dissolved to form a spinning solution. After defoaming, it is injected into the electrospinning device, and the base cloth cove...

Embodiment 3

[0087] Preparation of synthetic leather for flame-retardant, heat-insulating and cooling, sun-proof and waterproof tarpaulins. The base fabric is made of 100% aramid fiber woven fabric (the warp and weft yarns are made of aramid filaments, the warp and weft yarn specifications are 28tex, and the warp and density 270 threads / 10cm, weft yarn is 180 threads / 10cm), including the following steps:

[0088] S1. Immerse the base cloth in 9g / L sodium dodecylbenzenesulfonate solution, heat it in a water bath to 40°C, and stir it magnetically for 15 minutes. Take out the base cloth and rinse it with deionized water to remove impurities on the surface of the base cloth.

[0089] S2. Select diamine (ODA) and pyromellitic dianhydride (PMDA) and vacuum-dry them, then place them in DMAc / LiCl (mass ratio 91:9) ionic liquid, and heat with magnetic stirring at 65°C for 6 hours until completely dissolved to form a polyamic acid (PAA) spinning solution, vacuum defoaming and injecting into an elect...

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Abstract

The invention discloses a flame-retardant, heat-insulating and cooling-proof, waterproof synthetic leather for tarpaulins and a preparation method thereof. The synthetic leather of the present invention comprises a surface layer, a refrigeration layer, a heat reflection layer, an intermediate layer and a matrix layer, wherein the surface layer has the functions of waterproofing, sun protection and shielding ultraviolet rays, the refrigeration layer has the effect of heat insulation and refrigeration, and the heat reflection layer It can reflect near-infrared light in the wavelength band of sunlight to achieve heat reflection, the middle layer can achieve the effect of flame retardancy, and the matrix layer has good flame retardancy and the ability to reflect sunlight. The synthetic leather of the present invention has multiple functions including flame retardancy, heat insulation and refrigeration, sun protection, and waterproof, and the sun protection function and heat insulation function are shared by a multi-layer structure, which overcomes the flame retardancy, Insufficient performance and defects such as heat insulation and poor sun protection effect have a wide range of applications. The preparation method of the invention has low energy consumption, is easy to implement, and is beneficial to the large-scale production of synthetic leather for tarpaulins with flame retardancy, heat insulation and refrigeration, sun protection and waterproof.

Description

technical field [0001] The invention relates to the technical field of synthetic leather and its preparation, in particular to a flame-retardant, heat-insulating and cooling-proof, waterproof synthetic leather for tarpaulins and a preparation method thereof. Background technique [0002] The tarpaulin is a composite material made by covering one or more layers of polymer coating agent or other materials on the fabric (ie base fabric). It is a traditional product in textiles and is widely used in awnings. , tents, agricultural cloth and military equipment protection fields. With the development of the economy, the application field of the tarpaulin is constantly expanding, and it is gradually developing in the direction of multi-functionality such as flame retardant, sun protection, heat insulation, refrigeration, and waterproof. [0003] In order to improve the flatness of the base fabric, the existing tarpaulin coating generally firstly passes the base fabric through calen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06N3/00D06N3/14D06N3/18D06N3/12D06N3/04D04H1/728D04H1/4342D04H1/4326D01D5/00D06N7/00D06M11/83D06M101/32
CPCD06N3/0011D06N3/0013D06N3/14D06N3/0088D06N3/0009D06N3/0015D06N3/0063D06N3/0036D06N3/0034D06N3/18D06N3/125D06N3/045D06N3/005D06N3/0061D06N3/0077D06N7/0094D01D5/0084D04H1/728D04H1/4326D04H1/4342D06M11/83D06N2201/0272D06N2201/042D06N2205/14D06N2205/06D06N2211/28D06N2205/103D06N2209/128D06N2209/1678D06N2209/065D06N2209/067D06N2209/1692D06N2209/1664D06N2209/1642D06N2209/126D06N2209/108D06N2211/125D06N2211/26D06M2101/32
Inventor 朱方龙胡丹丹冯倩倩
Owner HUIZHOU UNIV
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