A kind of aluminum-wood heterogeneous composite technology wood

A technology of technological wood and heterogeneous technology, applied in the field of technological wood, can solve the problems such as the lack of systematic research on heterogeneous composite technological wood, the inability to meet the aesthetic requirements, the low end of technological wood, etc., to improve the degree of protein denaturation and the adhesive system. Molecular weight, improving rigidity and toughness, and enhancing manufacturability

Active Publication Date: 2021-12-28
DEHUA TB NEW DECORATION MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the younger consumers of interior decoration and the continuous improvement of consumption levels and individual needs, the above-mentioned traditional technological wood products can no longer meet the current aesthetic requirements.
[0003] my country's research on technological wood began in Shanghai in the 1980s, and it started relatively late. At present, there is no systematic research on heterogeneous composite technological wood in China, which makes my country's technological wood at the low end of the industry.

Method used

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Examples

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Effect test

preparation example Construction

[0080] The preparation method of the prepressed formaldehyde-free soybean protein adhesive comprises the following steps:

[0081] S1, proportioned according to the low-temperature pre-cured pre-pressed soybean protein adhesive formula 1;

[0082] S2, adding the polyamide-based epoxy compound into water, ultrasonicating for 3 minutes, adding 20% ​​soybean meal powder, and emulsifying homogeneously for 15 minutes at 40 MPa to obtain the first mixture;

[0083] S3, adding the remaining soybean meal powder into the first mixture, mixing evenly, adding 40% triazine ring-based high-reactivity multifunctional epoxy compound, and reacting at 40°C for 25 minutes to obtain the second mixture;

[0084] S4, adding the remaining triazine ring-based high-reactivity multifunctional epoxy compound into the second mixture, reacting at 70°C for 8 minutes, and cooling down to room temperature to obtain a pre-pressed formaldehyde-free soybean protein adhesive.

[0085] Prepressed formaldehyde-f...

Embodiment 1

[0156] According to the pattern design requirements, first recombine the 3-layer Ayousi veneer with a water-based API adhesive with a solid content of 54% and a viscosity of 600mPa·s to obtain the first blank layer, and then coat the two layers of the first blank layer on one side The high-elastic polyurethane adhesive with a viscosity of 250mPa·s (the amount of glue applied is 180g / ㎡) is compounded and pressure-bonded with the aluminum plate after the surface lye degreasing and acid solution neutralization to obtain the second base plate layer, and further The second base layer and the Ayousi veneer coated with urea-formaldehyde resin adhesive on both sides were recombined and recombined. The pressing time was 120 hours, the pressure was 0.6MPa, and the health was cured for 40 days. Finally, the Ayousi veneer and aluminum veneer were produced. Heterogeneous composite technology wood. High-elastic polyurethane adhesive is used for aluminum-wood composites, and high-strength ti...

Embodiment 2

[0158] According to the pattern design requirements, first recombine the 4-layer Ayousi veneer with a water-based API adhesive with a solid content of 50% and a viscosity of 550mPa·s to obtain the first blank layer, and then coat the two layers of the first blank layer on one side The high-elastic polyurethane adhesive with a viscosity of 350mPa·s (the amount of glue applied is 150g / ㎡) is compounded and pressure-bonded with the aluminum plate after the surface lye degreasing and the acid solution neutralization treatment to obtain the second base plate layer. The second base layer and the Ayousi veneer coated with urea-formaldehyde resin adhesive on both sides were recombined and recombined. The pressing time was 240 hours, the pressure was 0.8MPa, and the health was cured for 20 days. Finally, the Ayousi veneer and aluminum veneer were produced. Heterogeneous composite technology wood. High-elastic polyurethane adhesive is used for aluminum-wood composites, and high-strength ...

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Abstract

The invention relates to a technical wood, in particular to an aluminum-wood heterogeneous composite technical wood. It includes Ayousi veneer layer, more than one set of second blank ply and Ayousi veneer layer in turn; the second blank ply is composed of the first blank ply, aluminum plate and first blank ply by composite pressure gluing into; the first slab layer is recombined from more than one layer of Ayous veneer. The preparation method includes the following steps: (1) recombining more than one layer of Ayousi veneer by coating the first adhesive to obtain the first blank layer; (2) coating the second adhesive on one side of the two-layer blank A, Composite pressure gluing with the pretreated aluminum plate to obtain the second blank layer; (3) Composite and reorganizing the second blank layer with the Ayousi veneer coated with the third adhesive, pressurizing, and curing to obtain aluminum Wooden heterogeneous composite technology wood square; (4) Slicing. The aluminum-wood heterogeneous composite technical wood of the invention is not easy to crack, has good stability and has a metallic luster decoration effect.

Description

technical field [0001] The invention relates to a technical wood, in particular to an aluminum-wood heterogeneous composite technical wood. Background technique [0002] With the rapid shrinking of virgin forests in the world, traditional timber exporting countries have raised the export threshold of logs, and my country has also implemented natural forest protection projects. The contradiction between supply and demand of natural precious timber has become increasingly prominent, seriously restricting the construction and decoration, furniture veneer and other industries. healthy growth. Under the above background, scientific and technological wood has developed rapidly. Scientific and technological wood (scientific name: recombined decorative wood) is made of veneer of common tree species as the main raw material, and is manufactured by veneer coloring, lamination, molding and gluing. A wooden decorative material with the texture, pattern, color and other characteristics o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B21/04B32B21/14B32B15/10B32B15/20B32B7/12B32B37/06B32B37/12B32B37/10C09J189/00C09J11/06C09J11/08B27D1/00
CPCB32B21/042B32B21/14B32B15/10B32B15/20B32B7/12B32B37/1284B32B37/06B32B37/10C09J189/00C09J11/06C09J11/08B27D1/00B32B2307/406B32B2307/558B32B2601/00C08L2205/03C08L77/00C08K5/3492C08L25/18C08K5/19C08L53/02C08L33/00C08L25/14
Inventor 卓艳卓凯程明娟杨楠陈凯沈煜燕徐应林吴云刚李国忠
Owner DEHUA TB NEW DECORATION MATERIAL CO LTD
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