Environment-friendly composite floor capable of absorbing formaldehyde

A formaldehyde-absorbing technology for composite flooring, applied in the fields of aldehyde/ketone condensation polymer adhesives, adhesive types, adhesive additives, etc. Poor, formaldehyde can not be solved and other problems, to achieve the effect of high product added value, reasonable formula design, high bonding strength

Active Publication Date: 2017-03-22
江苏百博木业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although formaldehyde-free glue conforms to environmental protection, the use performance of formaldehyde-free glue is poor, the cost is high, and the formaldehyde of wood itself cannot be solved, so the market share of formaldehyde-free glue composite flooring is currently low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The present invention is an environmentally friendly composite floor capable of absorbing formaldehyde, which is composed of multiple layers of wood veneers, and an adhesive layer is arranged between the wood veneers, wherein, the wood veneers are impregnated with a formaldehyde adsorption material dispersion, The formaldehyde adsorption material dispersion is prepared by the following method: 20 grams of ultrafine diatomite powder, 15 grams of ethylene urea, 5 grams of microcrystalline cellulose, 2 grams of sodium tripolyphosphate, and 48 grams of water are stirred evenly; Under dispersed conditions, continue to add ZnO / nano-TiO 2 10 grams of the composite material was ultrasonically dispersed for 2 hours and ball milled for 5 hours to obtain a dispersion of formaldehyde adsorbing material.

Embodiment 2

[0026] The present invention is an environmentally friendly composite floor capable of absorbing formaldehyde, which is composed of multiple layers of wood veneers, and an adhesive layer is arranged between the wood veneers, wherein, the wood veneers are impregnated with a formaldehyde adsorption material dispersion, The formaldehyde adsorption material dispersion is prepared by the following method: 10 grams of ultrafine diatomite powder, 20 grams of ethylene urea, 10 grams of microcrystalline cellulose, 1 gram of sodium tripolyphosphate, and 57 grams of water are stirred evenly; Under dispersed conditions, continue to add ZnO / nano-TiO 2 2 g of the composite material was ultrasonically dispersed for 1 hour and ball milled for 4 hours to obtain a dispersion of formaldehyde adsorbing material.

Embodiment 3

[0028] The present invention is an environmentally friendly composite floor capable of absorbing formaldehyde, which is composed of multiple layers of wood veneers, and an adhesive layer is arranged between the wood veneers, wherein, the wood veneers are impregnated with a formaldehyde adsorption material dispersion, The formaldehyde adsorption material dispersion is prepared by the following method: 30 grams of ultrafine diatomite powder, 5 grams of ethylene urea, 6 grams of microcrystalline cellulose, 3 grams of sodium tripolyphosphate, and 51 grams of water are stirred evenly; Under dispersed conditions, continue to add ZnO / nano-TiO 2 5 g of the composite material was ultrasonically dispersed for 3 hours and ball milled for 6 hours to obtain a dispersion of formaldehyde adsorbing material.

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Abstract

The invention discloses an environment-friendly composite floor capable of absorbing formaldehyde, and belongs to the technical field of composite floors. The composite floor is compounded by multiple layers of wood veneers; adhesive layers are arranged between the wood veneers; the wood veneers are dipped by formaldehyde absorbing material dispersing liquid; and the formaldehyde absorbing material dispersing liquid comprises the following components in percentage by mass: 10-30% of ultrafine diatomite powder, 5-20% of ethylene urea, 5-10% of microcrystalline cellulose, 2-10% of ZnO/nanometer TiO2 composite material, 1-3% of sodium tripolyphosphate, and the balance of water. The environment-friendly composite floor cannot pollute indoor environment, and facilitates the health of people. The formaldehyde absorbing material is reasonable in formula design, is simple and feasible in preparation method, is excellent in free formaldehyde removing effect, reaches 99.5% of formaldehyde removing rate, and is broader in application prospect. The adhesive product selected in the composite floor is high in additional value, high in binding strength and better in mildew resistance.

Description

technical field [0001] The invention belongs to the technical field of composite floors, in particular to an environment-friendly composite floor capable of absorbing formaldehyde. Background technique [0002] Composite flooring is mainly used for indoor floor decoration, and is an important wooden decoration material in occasions such as homes, hotels, and hotels. Because formaldehyde has strong adhesion, it also has the function of strengthening the hardness of the board and preventing insects and corrosion. Therefore, most of the production of composite flooring is made of wood veneers through hot pressing with urea-formaldehyde resin adhesive. Formaldehyde that has not participated in the reaction will be gradually released to the surrounding environment, resulting in excessive formaldehyde content in the indoor air. [0003] When people are in an environment with a high concentration of formaldehyde, symptoms of discomfort will occur in the eyes, nasal cavity and resp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/52E04F15/04C09J161/06C09J129/04C09J183/07C09J11/04C09J11/08C01G23/053
CPCB27K3/52C01G23/053C08L2205/035C09J11/04C09J11/08C09J129/04C09J161/06C09J183/04E04F15/046C08L29/04C08L1/286C08L83/04C08K3/346C08K2003/2241C08L61/06
Inventor 汪亚英
Owner 江苏百博木业有限公司
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