Which automotive plastic parts can the plasma cleaner process?

Apr 21, 202616viewsBlogs

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existcarIn industry, plastic parts can not only reduce body weight and energy consumption, but also ensure functionality and safety. Through different surface treatment processes, comfort and decoration are continuously improved. Before screen printing, bonding, and coating, the traditional surface treatment of these plastics is manual polishing, flame burning and spraying. Today, we will discuss the application of plasma cleaning machine in the surface treatment of automotive plastic parts.

Which automotive plastic parts can the plasma cleaner process?
Plastic cleaning machines are widely used in the surface treatment of automotive plastic parts. The proportion of automobile plastic parts accounts for more than one-third of the materials used in the entire automobile. Most of these plastics are pp,ABS, Pa, pvc, epdm, pc, eva and other composite materials for processingbumper, Dashboard, central control panel, door panel, protectionGuard plate, Engine hoods, seals, lamps, shock absorbers, etc.
Composite materials are a combination of two or more physical properties that can complement each other to produce excellent properties. It has many characteristics that cannot be obtained by a single material such as polypropylene (pp) + glass fiber (gf20), polypropylene (pp) + EPDM (epdm) + talc (td20), and is widely used in automotive interiors. PPAuto MeterThe disk is shown in Figure 1:
Figure 1-PP car dashboard
These materials are similar to pp, epdm, abs+pc, with low surface energy and poor wettability, which affects the quality and performance of screen printing, adhesion, coating and flocking. When using a plasma cleaning machine to process these materials, it was found that under the action of plasma active particles, the surface properties of the materials have been significantly improved, and the tearing force has been greatly improved.
Through the analysis of the results, we found that there are two main reasons:
(1) The plasma discharge generated by the plasma cleaner will introduce hydrophilic groups such as phenolic hydroxyl (-oh), carboxylic acid carboxyl (-cooh) and carbonyl group (c=o) to the surface of the material, increasing the material The wettability of the surface greatly improves the adhesion and bonding strength of the substrate surface.
(2) The plasma generated by the plasma cleaner promotes the opening of molecular bonds, cross-linking and the removal of low-molecular-weight contaminants, and forms a clean and firm interface layer on the surface of the material, which also promotes the adhesion and bonding strength. improve.
Example 1: Use an air plasma cleaning machine to perform surface treatment before flocking on the abs+pc plastic storage box to improve the adhesion between glue and fluff. The product and processing status are shown in the figure. 2 and 3.
Figure 2-ABS+PC plastic storage tank
Which automotive plastic parts can the plasma cleaner process?

Figure 3-Discharge status of atmospheric radio frequency plasma cleaner Which automotive plastic parts can the plasma cleaner process?

Plastic auto parts of different shapes, structures and materials can be surface treated with a plasma cleaning machine. It can not only ensure the quality control of flocking, but also choose adhesives that are friendly to the human body and the environment, reducing the health risks of the operators.
Example 2: Use a vacuum plasma cleaner to perform surface treatment on polypropylene (PP) + talc (TD20) plastic door panels before painting to improve the bonding performance of the water-based polyurethane adhesive and plastic parts and increase the tearing force. The appearance of the plastic bracket and vacuum plasma cleaner is shown in Figure 4 and Figure 5.
Figure 4-Plastic parts placement bracket Which automotive plastic parts can the plasma cleaner process?

Figure 5-Appearance of vacuum plasma cleaning machine Which automotive plastic parts can the plasma cleaner process?

The bonding strength and bonding force of the plastic parts after the surface treatment of the plasma cleaning machine are closely related to the parameters of the plasma surface treatment, including the electrode structure of the vacuum chamber, the discharge vacuum degree, the gas type and proportion, the gas flow rate, the treatment time and the power supply. Related Products.

Material	High-tensile steel / forged aluminum
Finish	E-coat / powder paint / zinc plating
Standards	IATF / ISO-based process control
Warranty	24 months
MOQ	50-100 pcs per reference
Lead Time	25-35 days after PO

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