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Automobile interior material subjected to full water-based surface treatment and preparation method of automobile interior material

A technology for surface treatment and automobile interior decoration, which is applied in the field of automobile interior decoration materials. It can solve the problems of affecting the service life of interior decoration materials, affecting the air quality in the car, poor wear resistance and scratch resistance, etc., and achieves good mechanical properties and improved High gloss and impact resistance

Active Publication Date: 2022-07-01
SUZHOU RUIGAO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used exterior paints are usually solvent-based polyurethane paints, usually using toluene, methyl ethyl ketone, etc. as solvents, so that the prepared interior materials have a better feel, but solvent-based polyurethane paints have poor wear resistance and scratch resistance, so Affect the service life of interior materials. In addition, residual solvents such as toluene and butanone in interior materials will cause the VOC content to exceed the standard and affect the air quality in the car.

Method used

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  • Automobile interior material subjected to full water-based surface treatment and preparation method of automobile interior material

Examples

Experimental program
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Effect test

Embodiment 1

[0038] refer to figure 1 , Embodiment 1 provides an automotive interior material, comprising a base layer 1, a TPO layer 2 is compounded on the base layer 1, a surface coating layer 3 is coated on the side wall of the TPO layer 2 away from the base layer 1, and the base layer 1 A water-based polyurethane resin layer 4 is coated on the side wall facing away from the TPO layer 2 .

[0039] Embodiment 1 also provides a kind of preparation method of the automobile interior decoration material of full water-based surface treatment, and the preparation method is as follows:

[0040] Preparation of TPO film: mix 50kg of TPO particles, 35kg of modified polypropylene, 3kg of heat stabilizer and 5kg of color masterbatch to obtain a mixture, then add the mixture into an extruder and extrude to form a TPO film;

[0041] Preparation of surface finishing paint: add 20kg of deionized water, 60kg of water-based polyurethane, 3kg of wear-resistant aid, 0.5kg of leveling aid, 1kg of thickener ...

Embodiment 12

[0054] The difference between Example 12 and Example 9 is that the wear-resistant additive in the surface coating layer 3 is nano-alumina.

Embodiment 13

[0056] The difference between Example 13 and Example 9 is that the anti-wear additive in the surface coating layer 3 is talc.

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Abstract

The invention relates to the field of automotive interior materials, and particularly discloses an automotive interior material subjected to full water-based surface treatment and a preparation method of the automotive interior material. The automotive interior material subjected to full water-based surface treatment comprises a base body layer, a TPO layer is arranged on the base body layer, and a surface coating layer is arranged on the side wall, away from the base body layer, of the TPO layer; the surface coating layer is prepared from the following raw material components in parts by weight: 20 to 30 parts of deionized water, 60 to 80 parts of waterborne polyurethane, 3 to 6 parts of wear-resistant auxiliary agent, 0.5 to 1.5 parts of leveling auxiliary agent, 1 to 3 parts of thickening agent and 3 to 5 parts of cross-linking agent. The wear-resistant interior material has the effect of improving the wear resistance of the interior material.

Description

technical field [0001] The present application relates to the field of automotive interior materials, in particular to a fully water-based surface-treated automotive interior material and a preparation method thereof. Background technique [0002] With the popularity of private cars and the improvement of people's consumption level, people's requirements for car interiors are getting higher and higher. As a new type of automotive interior material, TPO material is widely used in the automotive interior industry due to its low density, large curvature, high low-temperature impact resistance, easy processing, and reusability. [0003] When using TPO materials to prepare interior materials, it is necessary to coat a layer of outer paint on the surface of the TPO materials, so that the interior materials have a good feel. The commonly used exterior paint is usually solvent-based polyurethane paint, usually toluene, butanone, etc. are used as solvents, so that the obtained inter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/32B32B27/06C08J7/04C08J7/046C08J5/18C09D175/04C09D7/61C09D7/65C08L23/04C08L23/10
CPCB32B27/32B32B27/065B32B5/18C08J7/0427C08J7/046C08J5/18C09D175/04C09D7/61C09D7/65C08J2323/04C08J2423/10C08J2475/04C08K2003/2227C08L2205/025B32B2266/025C08L75/04C08L61/28C08K3/34C08K3/22
Inventor 张飞飞高金岗李超韩立业张延阁
Owner SUZHOU RUIGAO NEW MATERIAL CO LTD