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首页> 外文期刊>Macromolecular reaction engineering >Polyolefin Surface Modification During Injection Molding Using Radical Reactions in Liquid Phase
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Polyolefin Surface Modification During Injection Molding Using Radical Reactions in Liquid Phase

机译：液相中自由基反应在注塑成型过程中聚烯烃表面改性

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摘要

Owing to their good cost-performance ratio polyolefins are very attractive polymers which are used in a variety of applications. However, painting or bonding of PP parts can cause problems due to inadequate adhesiveness. Today, different methods are available for pretreating the surface in order to improve its adhesive properties. These methods have the disadvantage that they are carried out as an additional fabrication step. Depending on the type of pretreatment this leads to high equipment and energy costs. In situ surface modification during molding is a new method to avoid such disadvantages. It was applied up to now for different thermoplastics. In this paper its application for the surface modification of polyolefins is reported. The differences in the processing details due to the use of a liquid modifier, which is advantageous for polyolefins, to the solid modifier films used, e.g., for polycarbonate are identified.
机译：由于聚烯烃具有良好的性价比，聚烯烃是非常有吸引力的聚合物，可用于各种应用中。但是，由于粘合性不足，PP部件的涂漆或粘合会引起问题。如今，可以使用不同的方法对表面进行预处理，以改善其粘合性能。这些方法的缺点在于它们作为附加的制造步骤进行。根据预处理的类型，这导致较高的设备和能源成本。模制过程中的原位表面改性是避免这种缺点的一种新方法。迄今为止，它已应用于不同的热塑性塑料。本文报道了其在聚烯烃表面改性中的应用。确定了由于使用对聚烯烃有利的液体改性剂与例如用于聚碳酸酯的固体改性剂膜而导致的处理细节上的差异。

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