Light high-strength ABS wood-plastic foamed board and preparation method thereof

A technology of wood-plastic foaming and ABS resin, which is applied in the field of wood-plastic boards, can solve the problems of high flame retardant, high density and lack of elastic properties, and achieve blending promotion, excellent corrosion resistance and mildew resistance, and strong applicability Effect

Inactive Publication Date: 2020-04-28
安徽智晟通讯科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, aluminum hydroxide, zinc borate, etc., although they have the advantages of non-toxic pollution, they also have great disadvantages when used in high-filling polymer composite materials, especially wood-plastic composite materials, because such flame retardants themselves are used in The matrix requires a high amount of filling, and in order to achieve a suitable flame retardant performance, the amount added is usually more than 60%.
The high content of flame retardants not only leads to the lack of high density and elastic properties of the final product, but also causes problems in mixing and extrusion
[0006] Moreover, there are still some other defects in the existing wood-plastic boards during use, and there is a large room for improvement in terms of heat preservation and wear resistance. Therefore, in order to obtain wood-plastic materials with good comprehensive performance and high quality It is necessary to further improve the ratio of raw materials and parameters of process steps

Method used

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  • Light high-strength ABS wood-plastic foamed board and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A light-weight high-strength ABS wood-plastic foam board, made of the following parts by weight: 25 parts of ABS resin particles, 20 parts of maleic anhydride grafted ABS resin particles, 60 parts of wood powder, and coated flame-retardant polypropylene 8 parts of fiber, 7 parts of modifier, 4 parts of foaming agent.

[0028] Wherein: the maleic anhydride grafting ratio in the maleic anhydride grafted ABS resin particle is 2.27wt%.

[0029] Wood flour includes rice husk, straw, and cypress branches, and the mass ratio of the three is 3:5:2. The preparation method of wood flour is as follows: firstly, the materials are taken according to the mass ratio, and the rice husk, straw, and cypress branches are crushed and blended, and then added to the Add 1wt% starch aqueous solution until submerged, stir and mix at 50°C for 20-30min, vacuum dry at 60°C until the water content is less than 5%, and crush to obtain wood flour.

[0030] The preparation method of the coated flame...

Embodiment 2

[0039] A light-weight high-strength ABS wood-plastic foam board, which is made of the following parts by weight: 30 parts of ABS resin particles, 20 parts of maleic anhydride grafted ABS resin particles, 50 parts of wood powder, and coated flame-retardant polypropylene 10 parts of fiber, 5 parts of modifier, 4 parts of foaming agent.

[0040] Wherein: the maleic anhydride grafting rate in the maleic anhydride grafted ABS resin particle is 2.3wt%.

[0041] Wood flour includes rice husk, straw, and cypress branches, and the mass ratio of the three is 3:5:2. The preparation method of wood flour is as follows: firstly, the materials are taken according to the mass ratio, and the rice husk, straw, and cypress branches are crushed and blended, and then added to the Add 1wt% starch aqueous solution until submerged, stir and mix at 50°C for 20-30min, vacuum dry at 60°C until the water content is less than 5%, and crush to obtain wood flour.

[0042] The preparation method of the coat...

Embodiment 3

[0051] A light-weight high-strength ABS wood-plastic foam board, which is made of the following parts by weight: 20 parts of ABS resin particles, 15 parts of maleic anhydride grafted ABS resin particles, 50 parts of wood powder, and coated flame-retardant polypropylene 5 parts of fiber, 5 parts of modifier, 2 parts of foaming agent.

[0052] Wherein: the maleic anhydride grafting rate in the maleic anhydride grafted ABS resin particle is 2.2wt%.

[0053] Wood flour includes rice husk, straw, and cypress branches, and the mass ratio of the three is 3:5:2. The preparation method of wood flour is as follows: firstly, the materials are taken according to the mass ratio, and the rice husk, straw, and cypress branches are crushed and blended, and then added to the Add 1wt% starch aqueous solution until submerged, stir and mix at 50°C for 20-30min, vacuum dry at 60°C until the water content is less than 5%, and crush to obtain wood flour.

[0054] The preparation method of the coate...

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Abstract

The invention provides a light high-strength ABS wood-plastic foamed board and a preparation method thereof. The wood-plastic foamed board is prepared from the following components in parts by weight:20-30 parts of ABS resin particles, 10-20 parts of maleic anhydride grafted ABS resin particles, 40-60 parts of wood flour, 5-10 parts of coated flame-retardant polypropylene fibers, 5-7 parts of modifier and 2-5 parts of foaming agent and 0-6 parts of a filler. Reasonable raw material selection and self-made pretreatment of part of raw materials are carried out, the reaction combination effect between the materials is effectively improved and the performance effect is higher; and the ABS is adopted as a board substrate, the comprehensive quality is good, the applicability is high, the prepared board is light, high in strength and excellent in corrosion resistance, mildew resistance, acid and alkali resistance, water resistance, heat preservation, flame retardance and the like, the mechanical property is remarkably improved, and the popularization and application value is high.

Description

technical field [0001] The invention relates to the technical field of wood-plastic boards, in particular to a lightweight high-strength ABS wood-plastic foam board and a preparation method thereof. Background technique [0002] Wood-plastic composite board is a kind of wood (wood cellulose, plant cellulose) as the basic material, thermoplastic polymer material (plastic) and processing aids, etc., which are mixed evenly and then heated and extruded by mold equipment. The high-tech green environmental protection new decorative material has both the performance and characteristics of wood and plastic, and is a new composite material that can replace wood and plastic. Because wood-plastic panels have many advantages, such as excellent water resistance and corrosion resistance, good dimensional stability, flexible production process, and little damage to equipment, they can also be made from recycled waste wood and plastics, and can be recycled Therefore, as a new type of engin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L55/02C08L23/12C08K9/10C08K3/34C08K3/26C08K5/41C08K13/06C08J9/10C08J9/08C08J9/00
CPCC08J9/0061C08J9/0066C08J9/08C08J9/103C08J2203/02C08J2203/04C08J2203/18C08J2355/02C08J2397/02C08J2423/12C08J2455/02C08J2497/02C08K3/34C08K5/41C08K9/10C08K13/06C08K2003/265
Inventor 储成勇
Owner 安徽智晟通讯科技有限公司
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