Heat-insulting wood-plastic material and preparation method thereof

Abstract

The invention discloses a heat-insulting wood-plastic material. The heat-insulting wood-plastic material comprises the following raw materials in parts by weight: 3-4 parts of nylon acid methyl ester, 2-4 parts of ammonium aluminum sulfate, 2-3 parts of calcium oxide, 0.4-1 part of hexafluoroacetylacetone, 170-200 parts of high-density polyethylene, 10-16 parts of ammonium polyphosphate, 2-3 parts of tripolycyanamide, 6-9 parts of tetrabutyl titanate, 30-40 parts of methyltriethoxysilane, 27-30 parts of dimethyldiethoxysilane, 0.3-0.4 part of acetylacetone, 4-6 parts of bisphenol A phosphite, 0.7-1 part of hexamethyl cyclotrisiloxane, 0.6-1 part of dibenzothiazole disulfide, 3-4 parts of diacetone alcohol, 0.5-1 part of methyl tin mercaptide, 5-9 parts of a heat-insulating filler and 117-130 parts of straw powder. The heat-insulting wood-plastic material takes hollow glass beads and aluminum dihydrogen phosphate as main heat-insulting materials, so that not only is the heat insulation of the wood-plastic material improved, but also the effect of improving the surface strength is very good.

Description

technical field [0001] The invention relates to the technical field of wood-plastic materials, in particular to a wood-plastic material used for thermal insulation and a preparation method thereof. Background technique [0002] Thermoplastic wood-plastic composites are modified thermoplastic materials that are filled and reinforced with wood fibers or plant fibers, and made by hot-compression compounding, melt extrusion and other processing methods. In recent years, with the depletion of global resources, social awareness of environmental protection has been increasing, and higher requirements have been put forward for the application of wood and petrochemical products. In this context, wood-plastic composite materials can not only take advantage of the advantages of each component in the material, overcome the limitations of use caused by low wood strength, large variability, and low elastic modulus of organic materials, but also make full use of it. Waste wood and plastic...

AI Technical Summary

Problems solved by technology

The melamine-formaldehyde resin coating process is usually to prepare a melamine-formaldehyde resin prepolymer first, and then the prepolymer is polymerized in situ on the surface of ammonium polyphosphate to form a melamine-formaldehyde resin, but the melamine is lost during the reaction process and the solvent recovery is difficult. The consumption of raw materials is large, and there are also environmental pollution problems