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Polyurethane ultrafine fiber leather with high light aging resistance and preparation method and application thereof

A microfiber leather and aging performance technology, applied in transportation and packaging, textiles and papermaking, vehicle parts, etc., can solve the problems of material aging and damage, and achieve the effect of improving light resistance, excellent color development, and good dispersion

Inactive Publication Date: 2020-09-01
DONGFENG MOTOR CORP HUBEI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the above research has not essentially solved the light aging resistance of microfiber leather.
[0007] The aging of materials caused by light is essentially the energy of light that causes the destruction of certain chemical bonds in the chemical structure of materials.

Method used

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  • Polyurethane ultrafine fiber leather with high light aging resistance and preparation method and application thereof
  • Polyurethane ultrafine fiber leather with high light aging resistance and preparation method and application thereof
  • Polyurethane ultrafine fiber leather with high light aging resistance and preparation method and application thereof

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preparation example Construction

[0043] In order to better realize the technical purpose of the present invention, the present invention also discloses a preparation method of a polyurethane microfiber leather with high light aging resistance, the polyurethane microfiber leather includes an adhesive layer sequentially stacked on the surface of the base cloth layer, And the cortex and epidermis with polyurethane resin as the main raw material, specifically include the following steps:

[0044] 1) Configure the skin layer slurry, skin layer slurry and adhesive layer slurry according to the corresponding formula, and select the base cloth and release paper;

[0045] 2) Coat the skin layer slurry on the surface of the release paper and dry at 70-160°C; the skin layer slurry includes the following components in parts by mass: polyurethane resin: 100 parts, solvent: 20-20 100 parts, wetting and dispersing agent: 0.01-2 parts, infrared light-transmitting pigment: 1-20 parts;

[0046] 3) Coat the cortex slurry on th...

Embodiment 1

[0060] This embodiment discloses a preparation method of polyurethane microfiber leather with high light aging resistance, including the following preparation process:

[0061] (1) Prepare the skin layer, wherein the skin layer slurry is composed of the following components in parts by mass:

[0062]

[0063] Add the above components into the batching barrel in turn, stir evenly, configure the skin layer slurry, coat the skin layer slurry on DE-7C release paper, and dry it at a temperature of 70°C to obtain a product with good infrared Light-transmissive epidermis;

[0064] (2) Prepare the cortex, wherein the cortex slurry is composed of the following components in parts by mass:

[0065] Polyurethane resin JF-S-8030: 100

[0066] Ethyl acetate: 20

[0067] Altiris 550: 40

[0068] Add the above-mentioned components into the batching tank in turn, stir evenly, configure the cortex slurry, coat the cortex slurry on the epidermis, and dry it at a temperature of 70°C to ob...

Embodiment 2

[0072] This embodiment discloses a preparation method of polyurethane microfiber leather with high light aging resistance, including the following preparation process:

[0073] (1) Prepare the skin layer, wherein the skin layer slurry is composed of the following components in parts by mass:

[0074]

[0075] Add the above components into the batching barrel in turn, stir evenly, configure the skin layer slurry, coat the skin layer slurry on DE-7C release paper, and dry it at 160 ° C to obtain a good infrared Light-transmissive epidermis;

[0076] (2) Prepare the cortex, wherein the cortex slurry is composed of the following components in parts by mass:

[0077] Polyurethane resin JF-S-AH7040: 100

[0078] Dimethyl sulfoxide: 80

[0079] Black: 20

[0080] Add the above-mentioned components into the batching barrel in turn, stir evenly, and prepare a cortex slurry, coat the cortex slurry on the epidermis, and dry at a temperature of 160°C to obtain a cortex with good ...

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Abstract

The invention discloses polyurethane ultrafine fiber leather with high light aging resistance and a preparation method and application thereof, and belongs to the technical field of polymer materials.The polyurethane ultrafine fiber leather comprises a skin layer and a surface skin layer, the skin layer and the surface skin layer uses polyurethane resin as main raw materials and are sequentiallyarranged on the surface of a base fabric layer in a stacked mode, wherein the skin layer contains infrared light reflecting fillers and infrared light transmitting pigments are dispersed in the surface skin layer. Ultraviolet light absorbers and antioxidants are not required to be added in the polyurethane ultrafine fiber leather, and the polyurethane ultrafine fiber leather has excellent light aging resistance, effectively avoids the adverse effects caused by migration of small molecular substances such as the ultraviolet light absorbers and the antioxidants during use of the ultrafine fiberleather. The polyurethane ultrafine fiber leather has good applications in automotive interior products.

Description

technical field [0001] The invention relates to a polyurethane fiber leather material, which belongs to the technical field of polymer materials, in particular to a polyurethane superfine fiber leather with high light aging resistance and its preparation method and application. Background technique [0002] Polyurethane microfiber leather, referred to as microfiber leather, has been widely used as covering leather for automobile seats, side door panels, steering wheels and other parts due to its excellent texture and excellent wear resistance. [0003] Among them, the steering wheel of an automobile is directly irradiated by sunlight, so the covering leather used as the steering wheel has higher requirements on the light resistance of the material. At present, there are two main ways for the light resistance treatment of microfiber leather: (1) Polyurethane synthesized by using non-aromatic isocyanate and glycols that do not contain yellowing groups such as ether groups and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/00D06N3/14
CPCD06N3/0004D06N3/0011D06N3/0061D06N3/0063D06N3/0097D06N3/145D06N2209/0876D06N2209/1678D06N2211/261D06N2211/28
Inventor 付丹刘洲郭刚吴勇杨银龙
Owner DONGFENG MOTOR CORP HUBEI
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