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High-strength waterproof plant fiber board and production process thereof

A plant fiber board and plant fiber technology, which is applied in the direction of fiber board, fiber raw material processing, reinforcing agent addition, etc., can solve the problems of increased manufacturing cost, reduced fiber wet weight, increased fine fibers, etc., and achieves low production cost, small specific gravity, and raw material Simple Effects of Components

Inactive Publication Date: 2019-04-12
佛山市钛镀科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will cause a problem: in order to ensure the bonding force between the product layers, the degree of refining and beating is getting higher and higher, resulting in a decrease in the wet weight of the fiber and an increase in fine fibers; It will inevitably produce the problem that the product is hard and brittle
Moreover, the increase of the degree of percussion and the increase of the tightness will also increase the manufacturing cost, so it is not suitable for the production of this thicker and higher strength plant fiberboard.

Method used

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  • High-strength waterproof plant fiber board and production process thereof
  • High-strength waterproof plant fiber board and production process thereof
  • High-strength waterproof plant fiber board and production process thereof

Examples

Experimental program
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Effect test

example 1

[0029] A production process of high-strength waterproof plant fiberboard, comprising the following steps:

[0030] 1) Preparation of raw material solution:

[0031] a) Preparation of latex mixture: Add polyacrylate emulsion and styrene-butadiene emulsion to the reaction kettle with a solid content ratio of 6:2, mix well, add water and adjust the concentration of the latex mixture to 15%, and set aside;

[0032] b) Preparation of wet strength agent mixture: add melamine aqueous solution and polyamide epichlorohydrin resin to the reaction kettle with a solid content ratio of 6:2, then add water to make the concentration of the mixture 20%, and set aside ;

[0033] c) Pulp preparation: Plant fibers (72.5%) mixed with bleached softwood fibers (80%) and secondary fibers (20%) are put into a hydropulper with water to pulp, and then crushed The good pulp is sent to the pulp storage tank, and the pulp is obtained by refining in a viscous way with a refiner;

[0034] 2) Preparation ...

example 2

[0043] A production process of high-strength waterproof plant fiberboard, comprising the following steps:

[0044] 1) Preparation of raw material solution:

[0045] a) Preparation of latex mixture: Add polyacrylate emulsion and carboxylated styrene-butadiene latex to the reaction kettle at a solid content ratio of 8:4, mix well, then add water and adjust the concentration of the final latex mixture to 30%, spare;

[0046] b) Preparation of wet strength agent mixture: add melamine aqueous solution and polyamide epichlorohydrin resin to the reaction kettle with a solid content ratio of 6:4, add water to make the concentration of the mixture 20%, and set aside;

[0047] c) Pulp preparation: Plant fibers (78.7%) mixed with bleached coniferous wood fibers (80%) and secondary fibers (20%) are put into a hydropulper with water to pulp, and then crushed The good pulp is sent to the pulp storage tank, and the pulp is obtained by refining in a viscous way with a refiner;

[0048] 2) ...

example 3

[0057] A production process of high-strength waterproof plant fiberboard, comprising the following steps:

[0058] 1) Preparation of raw material solution:

[0059] a) Preparation of latex mixture: Add polyacrylate emulsion and styrene-butadiene emulsion to the reaction kettle with a solid content ratio of 7:2, mix well, then add water and adjust the concentration of the final latex mixture to 20%, and set aside ;

[0060] b) Preparation of wet strength agent mixture: add urea-formaldehyde resin aqueous solution and polyamide epichlorohydrin resin to the reaction kettle with a solid content ratio of 8:3, then add water to make the concentration of the mixture 30% ,spare;

[0061] c) Pulp preparation: put plant fiber (83.5%) mixed with bleached softwood fiber (80%) and secondary fiber (20%) into a hydropulper with an appropriate amount of water, and then pulp The disintegrated pulp is sent to the pulp storage tank, and the pulp is obtained by refining in a viscous manner wit...

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Abstract

The invention relates to the field of fiberboard production, and in particular relates to a high-strength waterproof plant fiber board and a production process thereof. The plant fiber board comprisesthe following raw materials: 70%-85% of plant fibers, 10%-25% of a latex mixed solution, 0.5%-2% of a wet strength agent mixed solution, 0.8%-2.5% of a water repellent agent, and 3-13% of water; andthe production process comprises the following steps: a) preparing the latex mixed solution; b) preparing the wet strength agent mixed solution; c) performing pulverization decomposition on the plantfibers and performing defibrination; d) preparing a mixed pulp; e) performing molding on the mixed slurry to form a wet board; and f) drying the wet board to obtain the high-strength waterproof plantfiber board. The raw material components of the plant fiber board provided by the invention are simple, has a wide source, low price and no toxicity or harm, and the product is easy to degrade and meets environmentally-friendly practical requirements; the production process and equipment investment is small, the process is simple and easy to operate, and the production costs are low; and the product obtained by the production process has a small specific gravity, water resistance, flame retardance, abrasion resistance, high strength, and very good formability, machinability and electrical characteristics.

Description

technical field [0001] The invention relates to the field of fiberboard production, in particular to using plant fibers and regenerated secondary plant fibers as raw materials, supplemented with various polymer materials, to manufacture waterproof plant fiberboards with strong toughness, stiffness and high waterproof performance and its production process. Background technique [0002] High-strength waterproof fiberboard is a kind of plant fiberboard that is thicker and stronger than ordinary fiberboard. It has the characteristics of small specific gravity, waterproof, shock resistance, sound insulation, flame retardant, and abrasion resistance. Substitutes such as metal plates and wood-based panels are widely used in industries such as automobiles, shoemaking, industrial containers, leather, electrical appliances, packaging and luggage, among which the automobile manufacturing and shoemaking industries use the largest amount. It can manufacture various parts such as instru...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21J1/00D21J1/04D21J1/06D21J1/02D21B1/34D21D1/20D21H21/20
CPCD21J1/00D21B1/345D21D1/20D21H21/20D21J1/02D21J1/04D21J1/06
Inventor 翁晓霖
Owner 佛山市钛镀科技有限公司
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