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A modifier for inorganic modified fast-growing materials prepared in a high-temperature and low-oxygen environment

A technology of inorganic modification, high temperature and low oxygen, which is applied in the direction of wood impregnation, impregnation of wood, and manufacturing tools, etc., can solve the problems of restricting the development of fast-growing wood inorganic modification technology, secondary pollution of chemical substances, and insufficient size of test pieces. Achieve the effects of improving termite resistance, improving mechanical strength, preventing the generation and extension of defects and cracks

Active Publication Date: 2017-10-31
江苏顺舟智能技术研究院有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, experts and scholars at home and abroad have carried out a lot of systematic research work on the inorganic modification technology of fast-growing wood. However, due to the insufficient size of the test pieces in the laboratory and the lack of efficient impregnation equipment, the chemical substances relied on are facing difficulties. The existence of secondary pollution and other problems seriously restricts the development of fast-growing wood inorganic modification technology

Method used

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  • A modifier for inorganic modified fast-growing materials prepared in a high-temperature and low-oxygen environment

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preparation example Construction

[0037] Such as figure 1 Shown, a kind of high-temperature low-oxygen environment preparation is used for the preparation method of inorganic modified fast-growing material modifier, comprises the following steps:

[0038] (1) Mix tetraethyl orthosilicate, ethanol, and silane coupling agent, wherein the tetraethyl orthosilicate is controlled at 15 to 40 parts by weight, and the ethanol is controlled at 10 to 30 parts by weight, and the silane coupling agent is The parts by weight of the joint agent are controlled at 15-40 parts;

[0039] (2), adding bentonite, water, water-based resin, nano-cellulose, nano-silver, and nano-silicon dioxide to the above system in sequence, wherein the parts by weight of bentonite are controlled at 10-50 parts, and the parts by weight of water are controlled at 1-5 parts The parts by weight of water-based resin are controlled at 5-30 parts, the parts by weight of nano-cellulose are controlled at 0.1-3 parts, the parts by weight of nano-silver are...

Embodiment 1

[0045]A method for preparing a modifier for inorganic modified fast-growing materials in a high-temperature and low-oxygen environment, comprising the following steps:

[0046] (1), 20kg tetraethyl orthosilicate, 20kg ethanol, 4kg silane coupling agent are mixed.

[0047] (2) Add 35kg of bentonite, 3kg of water, 13kg of water-based resin, 3kg of nanocellulose, 1kg of nanosilver, and 1kg of nanosilica to the above system in sequence.

[0048] (3), stirring for 30 minutes;

[0049] (4), after the reaction is finished, the obtained product is the modifier that can be used for inorganic modified fast-growing materials prepared in the high-temperature and low-oxygen environment.

Embodiment 2

[0051] A method for preparing a modifier for inorganic modified fast-growing materials in a high-temperature and low-oxygen environment, comprising the following steps:

[0052] (1), 40kg tetraethyl orthosilicate, 20kg ethanol, 5kg silane coupling agent are mixed.

[0053] (2) Add 20kg of bentonite, 1.5kg of water, 10kg of water-based resin, 1.5kg of nanocellulose, 1kg of nanosilver, and 1kg of nanosilica to the above system in sequence.

[0054] (3), stirring for 30 minutes;

[0055] (4), after the reaction is finished, the obtained product is the modifier that can be used for inorganic modified fast-growing materials prepared in the high-temperature and low-oxygen environment.

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Abstract

The invention discloses a modifying agent prepared in the high-temperature low-oxygen environment and used for inorganic modified fast growing wood, and belongs to the field of wood modification. A preparation method of the modifying agent comprises the steps that tetraethoxysilane, a silane coupling agent and ethanol are mixed, and an in-situ polymerization reaction is generated to generate aluminum hydroxide, magnesium hydroxide and other nanometer inorganic compounds. The quantity of a silanol group is reduced by means of nanosilicon dioxide, and the water adsorption capacity is reduced; in addition, bentonite, water, water-base resin, nano-crystalline cellulose and nano-silver are introduced, macerate and wood components generate a cross-linking polymerization reaction under the heating effect, then polymerization and curing are carried out, and a net structure is formed by the mixture, the wood and the structure; and the properties such as the physics strength and the dimensional stability are improved.

Description

technical field [0001] The invention relates to a modifier for inorganic modified fast-growing wood prepared in a high-temperature and low-oxygen environment and a preparation method thereof, belonging to the field of wood modification. Background technique [0002] Inorganic modified fast-growing wood refers to the in-situ polymerization reaction between wood cell wall components and inorganic modifiers without changing the original excellent properties of wood, and further forms chemical bonds to obtain modified wood with excellent properties. Due to the fact that countries around the world reduce the felling of virgin forests in order to protect the earth's environment, which limits the large-scale exploitation and use of natural forests, and the performance of fast-growing forests is poor, so the efficient production of modified wood with excellent performance has become a key issue in my country and the world in the future. Research questions for the wood processing indu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K3/52
CPCB27K3/32B27K3/36B27K3/50B27K3/52
Inventor 闫小星袁也苹蔡云婷徐伟吴智慧过斌王杰
Owner 江苏顺舟智能技术研究院有限公司
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