Chlorinated Polypropylene with CAS number 68442 - 33 - 1 is a modified polypropylene product. It is produced through the chlorination process of polypropylene. The chlorine content in this product can vary, typically ranging from 20% to 40%. The molecular weight of chlorinated polypropylene is also adjustable according to different production processes and requirements, generally between several thousand to tens of thousands. It usually appears as a white or light - yellow powder, with good solubility in some organic solvents such as toluene, xylene, and ketones.
One of the significant features of this product is its relatively low price, which makes it a cost - effective choice for many industries. It also has excellent adhesion, chemical resistance, and weather resistance, which makes it suitable for a wide range of applications.
Chlorinated Polypropylene has a wide range of applications in different industries:
Industria de revestimientos: It can be used as a binder in coatings. Due to its good adhesion to polypropylene substrates, it can improve the adhesion of coatings on polypropylene products, enhancing the coating's durability and appearance. For example, in automotive interior and exterior coatings, it can ensure that the coating adheres firmly to the polypropylene plastic parts, providing long - term protection and a beautiful finish.
Industria de la tinta: As an important component in inks, it can improve the adhesion of inks on polypropylene and other plastic substrates. This is especially important for printing on plastic packaging materials, ensuring clear and long - lasting printing patterns.
Industria adhesiva: Chlorinated Polypropylene can be used to formulate adhesives for bonding polypropylene materials. It can provide strong bonding strength, making it suitable for the assembly of polypropylene products in various industries.
When using Chlorinated Polypropylene, the following steps are generally recommended:
Disolución: First, dissolve the chlorinated polypropylene in an appropriate organic solvent. The choice of solvent depends on the specific application and process requirements. For example, in coating applications, toluene or xylene can be used as solvents. The dissolution process should be carried out under gentle stirring conditions to ensure complete dissolution.
Formulación: After dissolution, add other additives such as pigments, fillers, and curing agents according to the specific product formula requirements. The amount of additives should be carefully controlled to achieve the desired performance.
Aplicación: Apply the prepared solution to the substrate using appropriate coating or printing methods. The application process should ensure uniform coating thickness and good adhesion.
Caso de revestimiento de automóviles: An automotive parts manufacturer was facing the problem of poor coating adhesion on polypropylene bumper parts. They used our chlorinated polypropylene as a binder in the coating formula. After the improvement, the coating adhesion on the bumper increased significantly. The coating passed various adhesion tests, including cross - cut test and peel test. This not only improved the product quality but also reduced the rejection rate during the production process, saving a lot of costs for the manufacturer.
Plastic Packaging Printing Case: A packaging printing company was having trouble with ink adhesion on polypropylene plastic bags. By adding our chlorinated polypropylene to the ink formula, the ink adhesion on the plastic bags was greatly enhanced. The printed patterns were clear and did not fade or peel off even after long - term storage and transportation, improving the overall quality of the packaging products and customer satisfaction.
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Este es William, CEO de Zhishang Chemical Co., Ltd.
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