CN204505452U - A kind of wooden based structures composite board - Google Patents

Abstract

The utility model discloses a wood-based structure composite plate, which is a layered structure, including a fireproof layer in the middle and wooden layers located on both surfaces of the fireproof layer. The fireproof layer includes a glass fiber mesh cloth layer and a fiberglass mesh cloth layer The viscous slurry forming layer mixed with plant scraps and inorganic adhesives on both sides of the layer, the wooden layer includes rotary-cut veneer layer and sawn veneer layer, and the fireproof layer and sawn veneer layer are passed through inorganic glue. Adhesive bonding, the rotary-cut veneer layer is glued to the outer layer of the sawn veneer layer through an inorganic adhesive. The wood-based structure composite plate of the utility model has good fireproof performance, and the fireproof grade reaches A2 level; there is no formaldehyde release, and the bending strength exceeds 62MPa.

Description

A wood-based structural composite board

technical field

The utility model relates to the field of composite plates, in particular to a wood-based structure composite plate.

Background technique

Wood-based structural composite panels are a new type of multi-phase composite panels formed by mixing and compounding wood units with heterogeneous reinforcements or functional units. They are widely used in construction, decoration, furniture and other fields. However, conventional wood-based structural composite panels are usually glued by organic adhesives such as urea-formaldehyde resin glue and epoxy resin glue, and the structural unit is relatively single, showing relatively low strength, poor environmental protection, and flammability, which limit its use. application range. Therefore, it is of great significance to develop high-strength and environmentally friendly fire-resistant wood-based structural composite panels, significantly increase its added value, and expand its application fields.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a wood-based structure composite plate with good environmental protection performance, high strength and excellent fireproof performance.

The technical scheme that the utility model proposes is:

A wood-based structure composite board, which is a layered structure, includes a fireproof layer in the middle and wooden layers located on both surfaces of the fireproof layer, and the fireproof layer includes a glass fiber mesh layer and is laid on both sides of the glass fiber mesh layer A viscous slurry forming layer mixed with plant scraps and inorganic adhesives. The wood layer includes a rotary-cut veneer layer and a sawn veneer layer. The fireproof layer and the sawn veneer layer are bonded by inorganic glue. The peeling veneer layer is glued to the outer layer of the sawn veneer layer by an inorganic adhesive.

For the above-mentioned wood-based structural composite board, preferably, the thickness of the fireproof layer is 8-30 mm.

Preferably, the thickness of the sawn veneer layer is 8-30 mm, and the thickness of the rotary-cut veneer layer is 0.8-2 mm.

For the above-mentioned wood-based composite board, preferably, a stearic acid layer is provided on the surface of the sawn veneer layer.

For the above-mentioned wood-based structural composite board, preferably, the wood grains of the rotary-cut veneer layer and the sawn veneer layer are perpendicular to each other.

Compared with the prior art, the utility model has the advantages of:

1) The wood-based structure composite plate of the utility model has a three-layer structure fireproof layer containing glass fiber mesh cloth, which has good fireproof performance, and the fireproof grade reaches A2 level;

2) The wood-based structure composite plate of the utility model uses an inorganic adhesive, which does not release formaldehyde and has good environmental protection performance;

3) The wood-based structure composite plate of the utility model has high strength, and the bending strength exceeds 62MPa.

Description of drawings

Fig. 1 is a structural schematic diagram of the wood-based structure composite board of the present invention.

Legend: 1. Rotary-cut veneer layer; 2. Sawn veneer layer; 3. Fireproof layer.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively and in detail below in conjunction with the accompanying drawings and preferred embodiments, but the protection scope of the utility model is not limited to the following specific embodiments.

Unless otherwise defined, all technical terms used hereinafter have the same meanings as commonly understood by those skilled in the art. The terminology used herein is only for the purpose of describing specific embodiments, and is not intended to limit the protection scope of the present utility model.

A wood-based structure composite board is a layered structure, as shown in Figure 1, including a fireproof layer 3 in the middle and wooden layers positioned on both surfaces of the fireproof layer 3, and the fireproof layer 3 includes a glass fiber mesh cloth layer and a glass fiber mesh layer. The viscous slurry forming layer mixed with plant scraps and inorganic adhesives on both sides of the fiber mesh cloth layer, the wooden layer includes rotary cut veneer layer 1 and sawn veneer layer 2, fireproof layer 3 and sawn veneer layer The veneer layer 2 is bonded with an inorganic adhesive, and the rotary-cut veneer layer 1 is bonded to the outer layer of the sawn veneer layer 2 with an inorganic adhesive. Among them, the thickness of the fireproof layer 3 is 8-30mm, the thickness of the sawn veneer layer 2 is 8-30mm, the thickness of the rotary-cut veneer layer 1 is 0.8-2mm, and the surface of the sawn veneer layer 2 is provided with a stearic acid layer. The wood textures of the cut veneer layer 1 and the sawn veneer layer 2 are perpendicular to each other.

The wood-based structure composite board of the utility model has a three-layer structure fireproof layer containing glass fiber mesh cloth, which has good fireproof performance, and the fire protection grade reaches A2 level; the wood-based structure composite board of the utility model uses an inorganic adhesive and has no formaldehyde release, good environmental protection performance; the wood-based structure composite plate of the utility model has high strength, and the bending strength exceeds 62MPa.

Claims (5)

1. A wood-based structure composite board, characterized in that: the composite board is a layered structure, including a fireproof layer (3) in the middle and a wooden layer positioned at both surfaces of the fireproof layer (3), and the fireproof layer (3) ) includes a glass fiber mesh cloth layer and a viscous slurry forming layer mixed with plant scraps and inorganic adhesives laid on both sides of the glass fiber mesh cloth layer, and the wood layer includes a rotary cut veneer layer (1) and the sawn veneer layer (2), the fireproof layer (3) and the sawn veneer layer (2) are glued together with an inorganic adhesive, and the rotary cut veneer layer (1) is glued to the sawn layer with an inorganic adhesive The outer layer of the veneer layer (2). 2. The wood-based structural composite board according to claim 1, characterized in that: the thickness of the fireproof layer (3) is 8-30 mm. 3. The wood-based structural composite board according to claim 2, characterized in that: the thickness of the sawn veneer layer (2) is 8-30 mm, and the thickness of the peeled veneer layer (1) is 0.8 mm. ~2mm. 4. The wood-based structural composite board according to claim 1, 2 or 3, characterized in that: the surface of the sawn veneer layer (2) is provided with a stearic acid layer. 5. The wood-based structural composite board according to claim 4, characterized in that: the wood grains of the rotary-cut veneer layer (1) and the sawn veneer layer (2) are perpendicular to each other.