Modified polypropylene refers to the processing of polypropylene (PP) plastics through filling, blending, and strengthening, so that it has properties such as flame retardancy and high impact resistance. PP modified plastics involve a wide range of materials, high technological content, A plastic industry area that can create great economic benefits.
In order to reduce the cost of plastic products, improve the performance of certain aspects of plastic materials, and increase functionality, plastic modification technology is inseparable. Compared with engineering plastics, the cost is greatly saved, and the performance design is more flexible. Generally speaking, pure polypropylene resin can be modified to have new properties or enhance its original properties.
Copolymer PP materials have lower heat distortion temperature (100 ° C), low transparency, low gloss, and low rigidity, but have stronger impact strength. The strength of PP increases with increasing ethylene content.
The Vicat softening temperature of PP is 150 ° C. Due to its high crystallinity, this material has good surface stiffness and scratch resistance. PP does not suffer from environmental stress cracking. Generally, PP is modified by adding glass fibers, metal additives or thermoplastic rubber.
