Styrene series non-halogen flame retardant injection-grade wood plastic composite and preparation method thereof

Abstract

The invention discloses a styrene series non-halogen flame retardant injection-grade wood plastic composite and a preparation method thereof. The styrene series non-halogen flame retardant injection-grade wood plastic composite is prepared from the following components in percentage by mass: 25-60 percent of styrene series resin, 5-60 percent of plant fiber, 0.5-20 percent of compatilizer, 0-30 percent of flexibilizer, 0.5-8 percent of dispersing agent, 5-40 percent of fire retardant and synergetic fire retardant and 0-1 percent of antioxidant. Compared with the traditional wood plastic composite, the styrene series non-halogen flame retardant injection-grade wood plastic composite prepared by the invention has the characteristics of simple production flow, less consumption amount of fireretardant, good non-halogen flame retardant effect, wide range of moulding ways, and the like, and is suitable for various injection moulded parts such as shells of electric appliances, parts for vehicles, and parts for furniture and buildings, and the like.

Description

technical field [0001] The invention relates to the field of wood-plastic composite materials, in particular to a styrene-based halogen-free flame-retardant injection molding-grade wood-plastic composite material. Background technique [0002] In recent years, because wood-plastic composite materials have many advantages such as low cost and environmental protection, their market demand has grown rapidly, especially in interior products, construction and automotive products. But on the other hand, the fast-growing market demands put forward higher requirements on the performance of wood-plastic composite materials. Combustion modification, and for products with complex structures, processing methods other than extrusion, molding, etc. are required. [0003] In order to solve the flammability problem of wood-plastic composite materials, the method of adding flame retardants to wood-plastic composite materials is usually used for flame-retardant modification. It is well known...

AI Technical Summary

Problems solved by technology

[0004] In addition, the existing wood-plastic preparation technology is mainly based on extrusion molding, die-casting molding and extrusion molding technology, which are mainly used for the production of plate products, which are greatly restricted for injection molded parts with complex molding structures. The main problem is Due to the poor fluidity of wood-plastic composite materials added with a large amount of wood powder, the strength of the parts is low and the appearance quality is poor

[0005] At present, there is no report on the flame-retardant modification of wood-plastic composite materials with red phosphorus flame retardants, and there are few reports on flame-retardant injection molding grade wood-plastic composite materials.