Flame-retardant wood-plastic surface layer compound and preparation method of wood-plastic composite material with flame-retardant wood-plastic surface layer compound

A compound and surface layer technology, applied in the field of wood-plastic materials, can solve the problems of poor adhesion between the flame-retardant coating and the wood-plastic board, affecting the flame-retardant effect of the wood-plastic board, and achieve a small coefficient of friction, improved viscosity, and low density. Effect

Pending Publication Date: 2020-04-17
NINGBO HELONG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The above-mentioned technical solution has the following defects: although the flame-retardant coating on the surface of the wood-plastic board has a certain flame-retardant effect, the adhesion between the flame-retardant coating and the wood-plastic board is poor through the coating method, which affects the wood-plastic board. Flame retardant effect of the board

Method used

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  • Flame-retardant wood-plastic surface layer compound and preparation method of wood-plastic composite material with flame-retardant wood-plastic surface layer compound
  • Flame-retardant wood-plastic surface layer compound and preparation method of wood-plastic composite material with flame-retardant wood-plastic surface layer compound
  • Flame-retardant wood-plastic surface layer compound and preparation method of wood-plastic composite material with flame-retardant wood-plastic surface layer compound

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Experimental program
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Effect test

Embodiment 1

[0035] Table 1 is the raw material and quality of a kind of flame-retardant wood-plastic surface layer composite of embodiment 1

[0036] components mass (kg) components mass (kg) High-density polyethylene 50 Anti-ultraviolet agent 0.5 Polypropylene 10 Toner 1 Ethylene acrylic acid copolymer 50 Thiazolylbenzimidazoles 1.0 filler 10 polyethylene wax 0.8 Decabromodiphenylethane 10 Silicone powder 1.6 Modified Kaolin 6

[0037] Wherein the preparation method of modified kaolin is: 1) 10kg raw kaolin is mixed with 20kg mass fraction of 60wt% urea aqueous solution, then mechanically stirred, and at the same time ultrasonically treated at 100KHz for 6h, after the ultrasonic finishes, washed 5 times, then dried to obtain intercalated modified kaolin; 2) grinding the intercalated modified kaolin prepared in 1), placing it in an oven, and treating it at 140° C. for 1 hour to obtain exfoliated kaolin; 3) 5 kg exfoli...

Embodiment 2

[0044] Table 2 is the raw material and quality of a kind of flame-retardant wood-plastic surface layer composite of embodiment 2

[0045] components mass (kg) components mass (kg) High-density polyethylene 10 Modified Kaolin 0.5 Polypropylene 50 Anti-ultraviolet agent 0.3 Ethylene acrylic acid copolymer 10 Toner 5.5 filler 50 Isothiazolinones 0.8 Aluminum hydroxide 15 polyethylene wax 0.5 Modified montmorillonite 0.5 Silicone powder 2.5

[0046] The preparation method of the modified montmorillonite is as follows: 1) 10 kg of raw material montmorillonite and 40 kg of water are mixed and stirred continuously until the montmorillonite is uniformly dispersed in water, and then heated to 100°C; 2) adding 0.5 kg of montmorillonite to step 1 kg cetyltrimethylammonium bromide, continue to stir for 2h; 3) the mixture of step 2) is suction filtered and washed 3 times, and after drying, organic montmorillonite is obt...

Embodiment 3

[0054] Table 3 is the raw material and quality of a kind of flame-retardant wood-plastic surface layer composite of embodiment 3

[0055] components mass (kg) components mass (kg) High-density polyethylene 25 Modified Kaolin 0.7 Polypropylene 20 Anti-ultraviolet agent 0.4 Ethylene acrylic acid copolymer 20 Toner 6 filler 20 Thiazolylbenzimidazoles 0.9 Decabromodiphenylethane 11 Stearate 0.3 Melamine cyanurate 4 Silicone powder 2.1 Modified montmorillonite 0.5

[0056] The preparation method of the modified montmorillonite is as follows: 1) Mix 10kg of raw material montmorillonite with 60kg of water and stir continuously until the montmorillonite is evenly dispersed in water, and then heat to 100°C; 2) add 0.8kg octadecyltrimethylammonium chloride, continue to stir for 3h; 3) the mixture of step 2) is suction filtered, washed 4 times, and dried to obtain organic montmorillonite, which is ground thr...

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Abstract

The invention relates to a flame-retardant wood-plastic surface layer compound and a preparation method of a wood-plastic composite material with the flame-retardant wood-plastic surface layer compound. The invention relates to the technical field of wood-plastic materials. Raw materials of the flame-retardant wood-plastic surface layer compound specifically comprise the following components in parts by mass: 10 to 50 parts of high density polyethylene , 10 to 50 parts of polypropylene, 10 to 50 parts of an ethylene acrylic acid copolymer, 10 to 50 parts of a filler, 10 to 30 parts of a flameretardant, 0.1 to 0.5 part of an anti-ultraviolet agent, 0.1 to 0.5 part of an antioxidant, 0.5 to 8 parts of a toner, 0.1 to 1 part of a mildew preventive, 0.1 to 3 parts of a lubricant and 0.5 to 6parts of phyllosilicate. The wood-plastic composite material has fireproof and flame-retardant effects, and the bonding strength between a wood-plastic flame-retardant surface layer and a core layer is high.

Description

technical field [0001] The invention relates to the technical field of wood-plastic materials, in particular to a flame-retardant wood-plastic surface compound and a preparation method of a wood-plastic composite material having the flame-retardant wood-plastic surface compound. Background technique [0002] Wood-plastic, that is, wood-plastic composite material, is a new type of composite material that has been booming at home and abroad in recent years. It refers to the use of polyolefin resins such as polyethylene, polypropylene and polyvinyl chloride, etc. Waste plant fibers such as rice husks and straws are mixed into new wood materials, and then plastic processing techniques such as extrusion, molding, and injection molding are used to produce boards or profiles. At present, my country's natural forest resources are decreasing day by day, and the market demand for wood products is increasing day by day. As a new type of environmentally friendly and alternative wood mat...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08L23/12C08L83/04C08K13/06C08K9/04C08K3/34C08K5/03C08K3/22C08K5/3492C08L23/30C08K3/32C08K5/053C08K3/02C08K5/20B29C48/21
CPCC08L23/06C08L23/0869C08L23/12B29C48/21C08K2201/011C08K2003/2227C08K2003/323C08K2003/026C08K2003/2224C08L2201/02C08L2205/025C08L2205/035C08L83/04C08K13/06C08K9/04C08K3/346C08K5/03C08K3/22C08K5/34928C08L23/30C08K3/32C08K5/053C08K3/02C08K3/2279C08K5/20
Inventor 周云张冰冯卓马庆江
Owner NINGBO HELONG NEW MATERIAL
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