CN-122013538-A - Preparation method and device of polyvinyl chloride synthetic leather and electronic equipment

CN122013538ACN 122013538 ACN122013538 ACN 122013538ACN-122013538-A

Abstract

The application discloses a preparation method and device of polyvinyl chloride synthetic leather and electronic equipment. The method comprises the steps of obtaining preparation raw materials, wherein the preparation raw materials comprise a base material, a plasticizer and a functional auxiliary agent which meet the target proportion, the base material is a basic framework material of the polyvinyl chloride synthetic leather, the plasticizer is used for increasing flexibility of the polyvinyl chloride synthetic leather, the functional auxiliary agent is used for increasing oxidation resistance and ageing resistance of the polyvinyl chloride synthetic leather, a mixing stirrer is controlled to stir the preparation raw materials to obtain mixed raw materials after stirring, an internal mixer is controlled to carry out banburying treatment on the mixed raw materials to obtain functional slurry, the functional slurry is coated on release paper to carry out pretreatment to obtain a polyvinyl chloride coating, and the polyvinyl chloride coating, a polyurethane foam layer and a base cloth supporting layer are subjected to composite treatment to obtain the composite formed polyvinyl chloride synthetic leather. The application solves the technical problem of low durability of polyvinyl chloride synthetic leather.

Inventors

DU ZHENG
LI WENYING
TENG TENG
YAN JIAQI
LIU SHIYU
WEI ZHENHUA

Assignees

中国第一汽车股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260113

Claims (11)

1. The preparation method of the polyvinyl chloride synthetic leather is characterized by comprising the following steps: Obtaining preparation raw materials, wherein the preparation raw materials comprise a base material, a plasticizer and a functional auxiliary agent which meet the target proportion, the base material is a basic framework material of the polyvinyl chloride synthetic leather, the plasticizer is used for increasing the flexibility of the polyvinyl chloride synthetic leather, and the functional auxiliary agent is used for increasing the oxidation resistance and the ageing resistance of the polyvinyl chloride synthetic leather; Controlling a mixing stirrer to stir the preparation raw materials to obtain stirred mixed raw materials; Controlling an internal mixer to carry out banburying treatment on the mixed raw materials to obtain functional slurry; Coating the functional slurry on release paper for pretreatment to obtain a polyvinyl chloride coating; and carrying out composite treatment on the polyvinyl chloride coating, the polyurethane foam layer and the base cloth supporting layer to obtain composite formed polyvinyl chloride synthetic leather, wherein the polyurethane foam layer is positioned between the polyvinyl chloride coating and the base cloth supporting layer.
2. The method according to claim 1, wherein controlling the internal mixer to carry out internal mixing treatment on the mixed raw materials to obtain functional slurry comprises: And controlling the internal mixer to carry out banburying treatment on the mixed raw materials according to a first preset temperature and a first preset time period so as to break aggregates in the mixed raw materials and obtain the functional slurry.
3. The method of claim 1, wherein the functional slurry is coated on release paper for pretreatment to obtain a polyvinyl chloride coating, comprising: controlling coating equipment to uniformly coat the functional slurry on the release paper to obtain the release paper with a slurry coating; Controlling a drying device to carry out drying treatment on the release paper with the slurry coating according to a second preset temperature and a second preset time length to obtain the dried release paper with the slurry coating; and stripping the dried slurry coating from the release paper to obtain the polyvinyl chloride coating.
4. A method according to claim 3, wherein during the process of uniformly coating the functional slurry on the release paper, the method further comprises: responsive to the functional slurry being blade coated on the release paper, adjusting a blade coating gap of the functional slurry based on a target coating thickness of the slurry coating; and adjusting the roll coating pressure of the functional slurry based on the target coating thickness of the slurry coating in response to the functional slurry being roll coated on the release paper.
5. A method according to claim 3, wherein during the process of uniformly coating the functional slurry on the release paper, the method further comprises: and adjusting the coating speed of the functional slurry based on a preset coating speed.
6. The method of claim 1, wherein the step of compounding the polyvinyl chloride coating with the polyurethane foam layer and the base fabric support layer to obtain a composite molded polyvinyl chloride synthetic leather comprises the steps of: And carrying out composite treatment on the polyvinyl chloride coating, the polyurethane foam layer and the base cloth supporting layer by utilizing a composite process to obtain the composite formed polyvinyl chloride synthetic leather, wherein the composite process at least comprises flame compounding, aqueous adhesive compounding and hot melt adhesive compounding.
7. The method according to any one of claims 1 to 6, further comprising: And drying the polyvinyl chloride synthetic leather for a target time at a third preset temperature.
8. The preparation device of the polyvinyl chloride synthetic leather is characterized by comprising: The preparation unit is used for obtaining preparation raw materials, wherein the preparation raw materials comprise a base material, a plasticizer and a functional auxiliary agent which meet the target proportion, the base material is a basic framework material of the polyvinyl chloride synthetic leather, the plasticizer is used for increasing the flexibility of the polyvinyl chloride synthetic leather, and the functional auxiliary agent is used for increasing the oxidation resistance and the ageing resistance of the polyvinyl chloride synthetic leather; the stirring unit is used for controlling the mixing stirrer to stir the preparation raw materials to obtain mixed raw materials after stirring; The banburying processing unit is used for controlling the banburying machine to carry out banburying processing on the mixed raw materials to obtain functional slurry; The coating unit is used for coating the functional slurry on release paper for pretreatment to obtain a polyvinyl chloride coating; And the composite treatment unit is used for carrying out composite treatment on the polyvinyl chloride coating, the polyurethane foam layer and the base fabric supporting layer to obtain composite formed polyvinyl chloride synthetic leather, wherein the polyurethane foam layer is positioned between the polyvinyl chloride coating and the base fabric supporting layer.
9. An electronic device, comprising: A memory storing an executable program; A processor for executing the program, wherein the program when run performs the method of any of claims 1 to 7.
10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored executable program, wherein the executable program when run controls a device in which the storage medium is located to perform the method of any one of claims 1 to 7.
11. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any one of claims 1 to 7.

Description

Preparation method and device of polyvinyl chloride synthetic leather and electronic equipment Technical Field The application relates to the field of composite materials, in particular to a preparation method and device of polyvinyl chloride synthetic leather and electronic equipment. Background At present, with the development of light weight and individualization of the vehicle industry, synthetic leather materials have become one of core materials in the field of vehicle interior trim by virtue of excellent properties. Among them, polyvinyl chloride synthetic leather has been increasingly used in automotive interiors due to advantages in terms of touch, appearance texture and cost. In the prior art, due to the special use environment in the vehicle, the existing polyvinyl chloride synthetic leather often has the problems of exceeding odor and aging failure after long-term use, thereby leading to low durability of the polyvinyl chloride synthetic leather. Aiming at the technical problem of low durability of the polyvinyl chloride synthetic leather, no effective solution is proposed at present. Disclosure of Invention The embodiment of the application provides a preparation method and device of polyvinyl chloride synthetic leather and electronic equipment, and aims to at least solve the technical problem of low durability of the polyvinyl chloride synthetic leather. According to one aspect of the embodiment of the application, a preparation method of polyvinyl chloride synthetic leather is provided. The method comprises the steps of obtaining preparation raw materials, wherein the preparation raw materials comprise base materials, plasticizers and functional additives which meet the target proportion, the base materials are basic framework materials of the polyvinyl chloride synthetic leather, the plasticizers are used for increasing flexibility of the polyvinyl chloride synthetic leather, the functional additives are used for increasing oxidation resistance and ageing resistance of the polyvinyl chloride synthetic leather, a mixing stirrer is controlled to stir the preparation raw materials to obtain mixed raw materials after stirring, an internal mixer is controlled to carry out banburying treatment on the mixed raw materials to obtain functional slurry, the functional slurry is coated on release paper to carry out pretreatment to obtain a polyvinyl chloride coating, and the polyvinyl chloride coating, a polyurethane foam layer and a base cloth supporting layer are subjected to composite treatment to obtain the composite-molded polyvinyl chloride synthetic leather, wherein the polyurethane foam layer is positioned between the polyvinyl chloride coating and the base cloth supporting layer. Optionally, controlling the internal mixer to carry out banburying treatment on the mixed raw materials to obtain functional slurry, wherein the method comprises the step of controlling the internal mixer to carry out banburying treatment on the mixed raw materials according to a first preset temperature and a first preset time length so as to break aggregates in the mixed raw materials and obtain the functional slurry. Optionally, coating functional slurry on release paper for pretreatment to obtain a polyvinyl chloride coating, wherein the method comprises the steps of controlling coating equipment to uniformly coat the functional slurry on the release paper to obtain release paper with the slurry coating, controlling drying equipment to dry the release paper with the slurry coating according to a second preset temperature and a second preset time length to obtain dried release paper with the slurry coating, and stripping the dried slurry coating from the release paper to obtain the polyvinyl chloride coating. Optionally, in the process of uniformly coating the functional slurry on the release paper, the method can further comprise adjusting a blade coating gap of the functional slurry based on a target coating thickness of the slurry coating in response to blade coating the functional slurry on the release paper, and adjusting a roll coating pressure of the functional slurry based on the target coating thickness of the slurry coating in response to roll coating of the functional slurry on the release paper. Optionally, in the process of uniformly coating the functional slurry on the release paper, the method may further include adjusting the coating speed of the functional slurry based on a preset coating speed. Optionally, the polyvinyl chloride coating, the polyurethane foam layer and the base cloth supporting layer are subjected to composite treatment to obtain the composite formed polyvinyl chloride synthetic leather, which comprises the step of carrying out composite treatment on the polyvinyl chloride coating, the polyurethane foam layer and the base cloth supporting layer by utilizing a composite process to obtain the composite formed polyvinyl chloride synthetic leather, wherein the composite process at leas