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Micro-foaming polystyrene all-plastic wood-like material and production method thereof

A technology of polystyrene and imitation wood materials, which is applied in the field of all-plastic imitation wood materials, can solve the problems of uneven distribution, large difference in cell size, and poor compatibility of main and auxiliary materials, so as to improve mechanical strength, waterproof and moisture resistance performance, reducing material density and brittleness

Inactive Publication Date: 2013-04-17
XIAMEN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of existing all-plastic imitation wood materials, such as poor compatibility of main and auxiliary materials, large difference in cell size, uneven distribution, etc., to provide a method that can improve waterproof and moisture-proof performance, and reduce material density and brittleness. , improve mechanical strength and prolong service life, and the material does not contain wood components, low-carbon and environmentally friendly micro-foamed polystyrene all-plastic imitation wood material and production method thereof

Method used

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  • Micro-foaming polystyrene all-plastic wood-like material and production method thereof
  • Micro-foaming polystyrene all-plastic wood-like material and production method thereof
  • Micro-foaming polystyrene all-plastic wood-like material and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Mix 1 part of nano-SiC, 1 part of nano-calcium carbonate, and 10 parts of ABS resin, and dry in a dryer at 80°C for 2 hours. 0.5 parts of UV-531 (ultraviolet absorber), 0.2 parts of polyethylene wax / lithium complex soap base (1:1), 0.4 parts of sandalwood oil, 0.7 parts of polybutylacrylate PBACOOH, zinc oxide / oxidized 0.5 parts of iron red / carbon black (2:2:1) were mixed, and then the above two groups of mixtures were mixed with 100 parts of PS and 25 parts of HIPS, and the final mixture was extruded and granulated in a twin-screw extruder, and the granulation temperature was controlled at 160-170°C, and finally extrude the obtained pellets in an extruder at 180-200°C, and the screw speed of the extruder is 8r / min.

[0031] Combined with the density of the material, the relevant mechanical properties are tested, and the results are shown in Table 1 and Table 2. It was found that the heat balance micro-foaming technology further reduces the material density, improves t...

Embodiment 2

[0033] Nano BaSO 42 parts, 2 parts of nano-calcium carbonate, 13 parts of AS / PMMA resin (8:5) were mixed, and dried in a dryer at 80°C for 2 hours. At the same time, 1 part of Hydrocell / AP composite foaming agent, 1 part of amino silicone oil cell regulator, 0.3 part of UV-531 (ultraviolet absorber), 0.3 part of calcium stearate / zinc stearate (1:1), cloud Mix 0.4 parts of woodwood oil, 1 part of polybutylacrylate PBACOOH, 1 part of benzidine yellow / quinacridone purple / permanent yellow HR (4:2:4), and then mix the above two groups of mixtures with 100 parts of PS, Mix 30 parts of HIPS, extrude and granulate the final mixture in a twin-screw extruder, control the granulation temperature at 150-160°C, and finally extrude the obtained pellets in the extruder at 160-180°C Molding, extruder screw speed 10r / min.

[0034] Combined with the density of the material, the relevant mechanical properties are tested, and the results are shown in Table 1 and Table 2. The degree of foaming ...

Embodiment 3

[0036] nano-SiO 2 2 parts, 3 parts of nano-calcium carbonate, 15 parts of ABS / AS / PMMA resin (6:6:3) were mixed, and dried in a dryer at 80°C for 2h. At the same time, 1.5 parts of foaming agent Hydrocerol / AC / ammonium bicarbonate compound (7:5:3), 2 parts of ACR / amino silicone oil cell regulator (1:1), 0.5 part of UV-531 (ultraviolet absorber), 0.5 parts of polyethylene wax, 0.7 parts of camphor wood sesame oil, 1.3 parts of polybutylacrylate PBACOOH, zinc oxide / iron oxide red / carbon black, benzidine yellow, quinacridone purple, permanent yellow HR (2:3 : 1:4:2:3) 1.5 parts were mixed, and then the above two groups of mixtures were mixed with PS100 parts and HIPS35 parts, and the final mixture was extruded and granulated in a twin-screw extruder, and the granulation temperature was controlled at 160-170 °C, finally extrude the obtained pellets in an extruder at 180-200 °C, and the screw speed of the extruder is 7r / min.

[0037] . Combined with the density of the material, the...

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Abstract

A micro-foaming polystyrene all-plastic wood-like material and a production method thereof relate to an all-plastic wood-like material. The invention provides a micro-foaming polystyrene all-plastic wood-like material which can improve the waterproof moistureproof performance, reduce material density and brittleness, increase the mechanical strength, and prolong the service life, does not containwood components, and is low in carbon and environment friendly, and also provides a production method thereof. The all-plastic wood-like material comprises the following components: 100 parts of polystyrene, 20-40 parts of high-impact polystyrene, 10-15 parts of resin, 2-5 parts of inorganic filling materials, 0.5-1.5 parts of foaming agents, 0.5-2 parts of foam diameter adjusting agents, 0.5-2 parts of colorants, 1.5-3 parts of additives. A mixture A is obtained by mixing the foaming agent, the foam diameter adjusting agent, the additive, and the colorant; the resin and the inorganic fillingmaterial are dried; a mixture B is obtained by proportionally mixing the polystyrene, the high-impact polystyrene, the resin, the mixture A and the inorganic filling material; and the product is obtained by performing extrusion, granulation and molding of the mixture B.

Description

technical field [0001] The invention relates to an all-plastic imitation wood material, in particular to a polystyrene all-plastic imitation wood material prepared by adopting heat balance micro-foaming technology. Background technique [0002] The micro-foaming process refers to the use of foaming technology in the fields of plastic production and processing to form uniform and small closed pores inside the raw material. Its advantages lie in saving raw materials, reducing product density, and at the same time reducing internal defects of the product, overcoming the brittleness of some raw materials, improving product toughness, and improving mechanical strength; the closed pores also improve the waterproof and moisture-proof performance of the product, broaden the scope of use, and extend the life of the product. service life. Micro-foaming technology has been widely used in traditional plastic manufacturing, wood-plastic composite imitation wood material manufacturing an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/06C08L51/00C08L55/02C08L33/12C08L25/12C08K13/02C08K3/26C08K3/36C08K3/34C08K3/30C08J9/08C08J9/10
Inventor 许一婷许延利曾碧榕吴卫明戴李宗
Owner XIAMEN UNIV