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Auxiliary agent for straw artificial board and preparation method for straw artificial board

A wood-based panel and straw technology, applied in the field of panel manufacturing technology, can solve the problems of high cost, complicated operation process, and difficult industrialization, etc., and achieve the effects of improving elastic modulus, wide source of raw materials, and low production cost

Inactive Publication Date: 2019-04-05
天津缔木博科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional wood-based panels usually use phenolic resin and urea-formaldehyde resin as adhesives in the production process, and most adhesives will release a large amount of harmful gases during production and use, which can no longer meet people's requirements for health and green life.
Because the surface of the straw contains a layer of natural wax, the traditional adhesive will face the problem of poor bonding performance when applied to the straw board, which limits the application of the traditional adhesive in the artificial straw board; and no formaldehyde release MDI glue, its preparation process is complex, currently only a few chemical g

Method used

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  • Auxiliary agent for straw artificial board and preparation method for straw artificial board
  • Auxiliary agent for straw artificial board and preparation method for straw artificial board

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0037] Example 1

[0038] 1. Preparation of natural auxiliaries for corn stalk wood-based panels:

[0039] 10 parts Mg(OH) 2 , 5 parts CaSO 4 , 1.5 parts of methylparaben, and 3 parts of polypropylene are mixed and stirred evenly to obtain straw additives, which are convenient for later batching.

[0040] 2. Preparation of corn stover wood-based panels:

[0041] (1) 80.5 parts of corn stalks with a moisture content of 12% are sent to a pulverizer for pulverization by a screw conveyor, and the length of the pulverized material is 0.5cm; and then kneaded by a silk kneading machine, and then sent to a cyclone dust collector through a conveyor belt after kneading. The soil, gravel and impurities are removed in the middle, and sent to a dryer through a blower to dry to a moisture content of less than 8%.

[0042] (2) Mixing ingredients and paving: After drying, the corn stalk enters the batching tank and is mixed with the pre-prepared additives; after mixing, it is sent to the ...

Example Embodiment

[0050] Example 2

[0051] 1. Preparation of natural auxiliaries for cotton straw wood-based panels:

[0052] 7 parts Mg(OH) 2 , 10 parts CaSO 4 , 5.5 parts of phenol and 2 parts of polyethylene are mixed and stirred evenly to obtain straw additives, which is convenient for later batching.

[0053] 2. Preparation of cotton straw wood-based panels:

[0054] (1) 75.5 parts of cotton stalks with a moisture content of 13% are sent to the pulverizer for pulverization by a screw conveyor, and the length of the pulverized material is 1.5cm; and then kneaded by a silk kneading machine, and then sent to a cyclone dust collector through a conveyor belt after kneading. The soil, gravel and impurities are removed in the middle, and sent to a dryer through a blower to dry to a moisture content of less than 9%.

[0055] (2) Mixing ingredients and paving: After drying, the cotton straw enters the batching tank and mixes with the pre-prepared additives; after mixing evenly, it is sent to t...

Example Embodiment

[0063] Example 3

[0064] 1. Preparation of natural additives for peanut straw wood-based panels:

[0065] 6 parts Mg(OH) 2 , 17 parts of CaSO 4 , 6 parts of methyl parahydroxybenzoate, and 3 parts of polyethylene are mixed and stirred evenly to obtain straw auxiliary, which is convenient for later batching.

[0066] 2. Preparation of peanut straw wood-based panels:

[0067] (1) Send 68 parts of peanut straw with a moisture content of 14% to the pulverizer for pulverization with a screw conveyor, and the length of the pulverized material is 2cm; and then knead the silk by the silk rolling machine, and then send the silk to the cyclone dust collector through the conveyor belt. The soil, gravel and impurities are removed, and sent to a dryer through a blower to dry to a moisture content of less than 8%.

[0068] (2) Mixing ingredients and paving: After drying, the peanut straw enters the batching tank and mixes with the pre-prepared additives; after mixing evenly, it is sent...

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Abstract

The invention provides an auxiliary agent for a straw artificial board and a preparation method for the straw artificial board. The auxiliary agent is composed of the following components of, by weight, 3-10 parts of a flame retardant, 5-20 parts of a reinforcing agent, 0-10 parts of a preservative and 0-10 parts of a waterproof agent. The preparation method for the straw artificial board is characterized in that crop straw is used as a main raw material to produce non-toxic, aldehyde-free and adhesive-free inorganic compounds and organic chemical products through compounding, and sugar, aldehyde and phenol substances owned by straw are spontaneously polymerized (condensed) to form high-strength, flame-retardant, damp-proof, difficult-to-mildew, zero-formaldehyde straw boards, building materials, logistics pallets and the like under a high-temperature condition.

Description

technical field [0001] The invention relates to an auxiliary agent for straw-based panels and a preparation method for straw-based panels, in particular to the selection of raw materials for artificial straw panels, the selection of additive types and its production process, which belong to the field of panel manufacturing technology. Background technique [0002] my country is a large agricultural country with abundant straw resources. According to survey statistics, the theoretical amount of straw resources nationwide in 2015 was 1.04 billion tons, the amount of collectable resources was about 900 million tons, and the utilization amount was about 720 million tons. The comprehensive utilization rate of straw reached 80.1%; of which fertilizer application accounted for 43.2%, feed application accounted for 18.8%, fuel application accounted for 11.4%, base material application accounted for 4.0%, and raw material application accounted for 2.7%. , a comprehensive utilization pa...

Claims

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Application Information

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IPC IPC(8): B27N3/12B27N3/18B27N3/20C09J123/12C09J123/06C09J11/04C09J11/06
CPCB27N3/12B27N3/18B27N3/203C08K2003/2224C08K2003/3045C09J11/04C09J11/06C09J123/06C09J123/12C08K3/30C08K3/22C08K5/1345C08K5/13
Inventor 赵祈涵马敬环
Owner 天津缔木博科技有限公司
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