Glassfiber reinforced polypropylene material without fiber exposion and manufacturing process thereof

Abstract

The invention relates to an organic high-molecular composite material, in particular to a glassfiber reinforced polypropylene material without fiber exposion and a manufacturing process thereof. The organic high-molecular composite material comprises the following components in percentage by weight: 49.5%-95% of polypropylene, 5%-50% of alkali-free glass fibers, 0.1%-3.0% of heat stabilizers, 0.1%-3.0% of glass fiber finishing agents, 0.2%-8% of coupling agents, 0.1%-2.0% of light stabilizers, 0.1%2.0% of ultraviolet absorbers and 1.3%-5.5% of other auxiliary agents. The glassfiber reinforced polypropylene material without the fiber exposion is not easily subject to embrittlement at low temperature, abrasion, aging and melt disruption, decomposition in contact with hot metal for a long time, contraction cavity, sink mark and deformation and has small constriction range and constriction value, stable dimension and high surface smoothness of generated products.

Description

Technical field

[0001] The invention relates to an organic polymer composite material, and more specifically, to a fiber-free glass fiber reinforced polypropylene raw material. The invention also relates to a method of making this polypropylene raw material. Background technique

[0002] Polypropylene (PP) as a thermoplastic polymer has a very wide range of applications in the plastics field. It is currently one of the most widely used engineering plastics. It has excellent flow properties and a wide range of flow rates, as well as other unique polymerizations. The combination of physical properties makes it have excellent processing properties, and at the same time, it is cheap, non-toxic, odorless, and has a low density. It can be used at about 100 degrees. It has good electrical properties and high-frequency insulation. It is not affected by humidity. For the production of general mechanical parts, corrosion-resistant parts and insulating parts. Common acid and alkali organi...