Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of tpo automotive interior parts with healing ability under visible light and preparation method thereof

A technology for automotive interior parts and visible light, applied in coatings, polyurea/polyurethane coatings, etc., can solve problems such as unsatisfactory actual effects, inability to effectively heal, and adverse effects on the scratch resistance of automotive interior skins

Active Publication Date: 2022-03-04
扬州超峰汽车内饰件有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, car interiors such as dashboards, door panels, and side panels are easily damaged and scratched in actual use, which will have a negative impact on the appearance of the car interior and affect the service life and aesthetics of the car interior. sex
[0004] At present, when the automotive interior skin is processed on the market, some inorganic materials or rubber are generally added to the product formula (component) for modification to improve the high and low temperature resistance, toughness and rigidity of the automotive interior skin itself, but The addition of such additives has an adverse effect on the scratch resistance of the automotive interior skin
[0005] In addition, at present, the surface coating of automotive interior skins is used to improve the scratch resistance of the surface, but the main principle is the adjustment of matte gloss and surface smoothness, so that it is not easy to be scratched or slightly scratched. The appearance is not easy to detect, but the actual effect is not ideal
[0006] The patent document with the application number CN103113663 proposes a scratch-resistant polypropylene compound. Although the problem of scratches is partially solved, there are still two unavoidable problems in the product
The first point is that its healing is only effective once at the same wound, and cannot provide multiple healings
The second point is that its products use polypropylene as the base material. The tensile properties and tear properties of the products are poor. Self-healing is limited to superficial scratches and scratches. For deep wounds such as cuts, it is impossible to go deep into them many times. effective healing of

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of tpo automotive interior parts with healing ability under visible light and preparation method thereof
  • A kind of tpo automotive interior parts with healing ability under visible light and preparation method thereof
  • A kind of tpo automotive interior parts with healing ability under visible light and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0050] The present invention also discloses a preparation method of a TPO automotive interior part with healing ability under visible light, which specifically includes the following steps:

[0051] Step 101: Prepare TPO base layer, including:

[0052] Weighing: Weigh the raw materials of each component of the TPO base layer;

[0053] Mixing: Mix the raw materials of each component of the TPO base layer according to the formula ratio;

[0054] Conveying: Conveying the mixed material to the main discharge port of the extruder;

[0055] Melting: melt and extrude the mixed material through an extruder to form a cast film;

[0056] Extrusion molding: the casting film is cooled and shaped after three-roll calendering;

[0057] Step 102: Prepare a water-based polyurethane surface treatment agent, including:

[0058] Weighing: Weigh the raw materials of each component of the water-based polyurethane layer;

[0059] Mixing: Mix the raw materials of each component of the water-bas...

Embodiment 1

[0067] Step 1: Prepare TPO base layer

[0068] Table 1 TPO base layer components:

[0069] serial number Material Component 1 TPO (such as model AP-6) 40 2 Modified polypropylene (such as model HP-56) 5 3 Polyethylene (such as model LP-45) 5 4 pigment 4 5 Photohealing material (such as model XC) 1 6 Light stabilizer (such as type X-8) 0

[0070] Table 2 Extruder settings:

[0071]

[0072] Specific process:

[0073] Weighing: Weigh the raw materials of each component of the TPO base layer;

[0074] Mixing: Mix the raw materials of each component of the TPO base layer according to the formula ratio;

[0075] Conveying: Conveying the mixed material to the main discharge port of the extruder;

[0076] Melting: melt and extrude the mixed material through an extruder to form a cast film;

[0077] Extrusion molding: the casting film is cooled and shaped after three-roll calendering;

[0078] The TPO base layer compo...

Embodiment 2

[0098] Step 1: Prepare TPO base layer

[0099] Table 6 TPO base layer components:

[0100] serial number Material Component 1 TPO (such as model AP-6) 70 2 Modified polypropylene (such as model HP-56) 20 3 Polyethylene (such as model LP-45) 20 4 pigment 8 5 Photohealing material (such as model XC) 15 6 Light stabilizer (such as type X-8) 5

[0101] Table 7 Extruder settings:

[0102]

[0103] Specific process:

[0104] Weighing: Weigh the raw materials of each component of the TPO base layer;

[0105] Mixing: Mix the raw materials of each component of the TPO base layer according to the formula ratio;

[0106] Conveying: Conveying the mixed material to the main discharge port of the extruder;

[0107] Melting: melt and extrude the mixed material through an extruder to form a cast film;

[0108] Extrusion molding: the casting film is cooled and shaped after three-roll calendering;

[0109] The TPO base layer co...

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
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a TPO automotive interior part with healing ability under visible light and a preparation method thereof. TPO automotive interior parts include a TPO base layer and a water-based polyurethane layer coated on the surface of the TPO base layer; wherein, the TPO base layer includes the following components by weight: 40-70 parts of TPO, 5-20 parts of modified polypropylene, 5 parts of polyethylene ‑20 parts, 1‑15 parts of light healing material, 0‑5 parts of light stabilizer and 4‑8 parts of pigment; the waterborne polyurethane layer includes the following components by weight: 80‑100 parts of light self-healing waterborne polyurethane, polycarbonate type 0-20 parts of polyurethane, 0.5-4 parts of polyurethane thickener, 1-4 parts of isocyanate curing agent, 0.5-2 parts of silicon emulsion and 5-15 parts of water. The TPO automotive interior part in the present invention can heal the same wound multiple times while being healed under visible light, and the product has better tensile properties and tearing properties.

Description

technical field [0001] The invention relates to the technical field of automobile interior parts, in particular to a TPO automobile interior part with healing ability under visible light and a preparation method thereof. Background technique [0002] TPO (Polyolefin Thermoplastic Elastomer) is a high-performance polyolefin product, which has rubber properties and can be processed by ordinary thermoplastic elastomer material processing equipment. [0003] With the rapid development of the automotive industry, automotive interior skin materials, as one of the important decorative components of automotive interiors, are also facing new challenges. In the use of automotive interior skin, in addition to meeting various physical and chemical performance indicators, its pattern, feel, and gloss will all be valued and concerned by consumers. In particular, car interiors such as dashboards, door panels, and side panels are easily damaged and scratched in actual use, which will have ...

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
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08J7/046C08J5/18C09D175/04C08L23/00C08L23/06C08L23/26C08L5/08
CPCC08J5/18C08J2323/00C08J2423/06C08J2423/26C08J2475/04C08J2405/08
Inventor 陈晖潘国立
Owner 扬州超峰汽车内饰件有限公司