Micro foam polystyrene group composite material of wood and plastic, and method of producing the same
A wood-plastic composite material, polystyrene-based technology, applied in the field of micro-foamed wood-plastic composite materials and its preparation, can solve the problems of easy combustion and poor impact resistance, reduce the total smoke release, and improve impact resistance performance, good flame retardancy and smoke suppression effect
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specific Embodiment approach 1
[0017] Specific embodiment 1: The micro-foamed polystyrene-based wood-plastic composite material of this embodiment is composed of 30 to 70 parts of wood fiber material, 2 to 8 parts of coupling agent, 1 to 8 parts of toughening agent, 0.5 to 0.5 parts by weight. 3 parts lubricant, 70-120 parts polystyrene, 0.5-3 parts foaming agent, 0.5-5 parts auxiliary foaming agent, 10-30 parts flame retardant and 5-15 parts smoke suppressant are mixed and extruded Molded.
specific Embodiment approach 2
[0018] Embodiment 2: The micro-foamed polystyrene-based wood-plastic composite material of this embodiment is composed of 40 parts by weight of wood fiber material, 4 parts of coupling agent, 4 parts of toughening agent, 2 parts of lubricant, and 100 parts of polystyrene. Styrene, 0.5 parts of foaming agent, 1 part of auxiliary foaming agent, 25 parts of flame retardant and 8 parts of smoke suppressant are made by mixing and extrusion molding.
specific Embodiment approach 3
[0019] Specific embodiment 3: The micro-foamed polystyrene-based wood-plastic composite material of this embodiment is prepared as follows: 1. The wood fiber material is pulverized into powder with a particle size of 20-300 mesh, and the pulverized wood is taken in parts by weight. 30~70 parts of fibrous material, 2~8 parts of coupling agent, 1~8 parts of toughening agent, 0.5~3 parts of lubricant, heat mixing for 5~20 minutes at 70~120℃; 2. Mix the materials with heat Cool to 40~60℃, then add 70~120 parts of polystyrene plastic, 0.5~3 parts of foaming agent, 0.5~5 parts of co-foaming agent, 10~30 parts of flame retardant and 5~15 parts of smoke suppressant. 5-20 minutes; 3. Extruding the mixture into an extruder to form a micro-foamed polystyrene-based wood-plastic composite material.
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