CN100363161C

CN100363161C - Artificial wood and its production method

Info

Publication number: CN100363161C
Application number: CNB2005100850774A
Authority: CN
Inventors: 董丽娜; 董瑞华
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-20
Filing date: 2005-07-20
Publication date: 2008-01-23
Anticipated expiration: 2025-07-20
Also published as: CN1718394A

Abstract

The present invention relates to an artificial composite wood and a production method thereof. Raw material of the composite wood comprises bamboo filaments and a uniform compound body, wherein the uniform compound body is composed of 10 wt% to 20 wt% of wood powder, 5 wt% to 10 wt% of plant fibers and 5 wt% to 10 wt% of adhesive, and a proper amount of bamboo filaments are dispersed in the uniform compound body. The production method comprises the following steps: the wood powder is made of various waste wood or scattered twigs through treatment and pulverization; the plant fibers are formed by rolling rice straws or hemp or stalks into velvet fibers; the plant fibers and the wood powder are mixed according to the proportion and are added with the adhesive, and the mixture is stirred into a mud shape and put into a precast mould; the bamboo filaments are uniformly added in the process of padding; then, mechanical extrusion compacting is carried out; the composite wood can be obtained by demoulding after complete solidification. The present invention has the advantages of low cost, difficult decaying, no furuncle scar, no influence on working, beautiful appearance, difficult cracking and bending, large volume, no influence from climatic condition and environment, etc.

Description

A kind of artificial wood and production method thereof

Technical field

The present invention relates to a kind of artificial wood and production method thereof, alternative natural timber is widely used in fields such as building, mine, decoration, finishing, handicraft.

Background technology

Natural timber resources poorness, the cost height, and exist rotten easily, have furuncle scar influence processing and attractive in appearance, cracking, not flexible, volume is limited, be subjected to the weather conditions and environment to influence shortcomings such as big.

Summary of the invention

Purpose of the present invention just provides a kind of artificial wood and production method thereof, to solve the natural timber natural resources shortage, the cost height, and exist rotten easily, have furuncle scar influence processing and attractive in appearance, cracking, not flexible, volume is limited, be subjected to the weather conditions and environment to influence problems such as big.

Technical scheme of the present invention is: this synthetic wood raw material comprises the uniform mixture of bamboo silk, grass meal and wood powder, string and binder, wherein bamboo silk, grass meal and wood powder, string ratio of weight and number are 20～40: 30～50: 10～50, binder is an amount of, is dispersed with an amount of bamboo silk in described homogeneous mixture.

The cross-sectional area of described bamboo silk is 0.05mm ²～3mm ², process by bamboo.

Described binder adopts the environment-friendly type unsaturated-resin.

Described wood powder is pulverized by various waste and old timber or the processing of fragmentary branch and is formed; Described string is rolled into velvet-like fiber and is formed by straw or crudefiber crop, stalk; Described grass fiber is mixed and add binder with wood powder according to described ratio, stir into the mud shape, in the prefabricated mould of packing into, in the filling process, evenly put into the bamboo silk, it is closely knit then to carry out mechanical presses, treats that it solidifies the back form removal fully, promptly obtains the synthetic wood product.

On the velvet-like fiber of making, wood powder, grass meal, spray the fire prevention liquor.

The present invention has following characteristics:

Material obtains easily, and cost is low; Preparation method is simple; Form similarly to the structure of natural timber, physical property (resistance to compression, anti-ly tear open, bending resistance) and chemical property (anticorrosion, waterproof, prevent damaging by worms) are better than natural timber, and be not apt to rot; The natural flaw of natural timbers such as no furuncle scar, cracking; Processing method is identical with natural timber, can saw, dig, follows closely, bores, picks cutter, sculpture, engraving, polishes, covers or decorate with paint, bonding etc., and can be processed into the wooden articles of Any shape, and as curved shape, and stress performance does not subtract; Can make the natural timber ultra-large volume timber that is beyond one's reach, economize on the use of funds; Turn waste into wealth, make full use of obsolete material, save the national forest reserves in a large number, the protection forest is beneficial to environmental protection; Have wide range of applications, as fields such as building, mine, decoration, finishing, handicrafts; Applicable to various weather conditions and environment; Can be made into the product of unlike material according to instructions for use.

The invention will be further described below in conjunction with embodiment and accompanying drawing.

Description of drawings

Fig. 1 is a cross section structure schematic diagram of the present invention;

Fig. 2 is the structural representation of invention curved shape.

The specific embodiment

Referring to Fig. 1 and Fig. 2, can find out its structure: in mixture 2, be evenly distributed with bamboo silk 1 by wood powder, grass fiber and binder from the cross section of finished product timber of the present invention.The cross-sectional area of this bamboo silk 1 is 0.05mm ²～3mm ², process by bamboo, play reinforcement (similar steel bars in concrete).The cross sectional shape of mixture 2 adopts mould molding according to concrete instructions for use decision.As can be seen from Figure 2, synthetic wood of the present invention is when being shaped to curved shape, and bamboo silk 1 can overcome the shortcoming that natural timber ruptures for horizontal stubble easily in the knee along with bending.

Described bamboo silk, grass meal and wood powder, string ratio of weight and number are 20～40: 30～50: 10～50, and binder is an amount of, is as the criterion to be mixed into soft also plastic mud shape.In described homogeneous mixture, be dispersed with an amount of bamboo silk.

Described binder can adopt the environment-friendly type unsaturated-resin.

Production method of the present invention is: described wood powder is pulverized by various waste and old timber or the processing of fragmentary branch and is formed; Described string is rolled into velvet-like fiber and is formed by straw or crudefiber crop, stalk; Described grass fiber is mixed and add binder with wood powder according to described ratio, stir into the mud shape, in the prefabricated mould of packing into, in the filling process, evenly put into the bamboo silk, it is closely knit then to carry out mechanical presses, treats that it solidifies the back form removal fully, promptly obtains the synthetic wood product.

On the velvet-like fiber of making, wood powder, grass meal, spray the fire prevention liquor, strengthen fire resistance.

Artificial timber of the present invention can be divided into structure material, finishing material and engraving material three classes according to purposes, below provides the embodiment of the material component of three kinds of different purposes, and production method as mentioned above.

1, the embodiment of structure material: structure material is mainly used in support structure, generally is divided into compression member and bending resistance component.Playing stress form mainly is resistance to compression, bending resistance and shearing resistance.

Raw material: bamboo silk cross section 0.5 * 0.5mm ²～1.5 * 1.5mm ², parts by weight are: bamboo silk 35: wood powder 40: grass meal 12: rice-straw fibre 13.About 10 parts of binder (providing concrete title).

2, finishing material embodiment: finishing is generally the plate balk with material, uses mainly as finishing frame material, sheet material and moulding.

Raw material: bamboo silk cross section 0.3 * 0.3mm ²～1 * 1mm ², parts by weight are: bamboo silk 25: wood powder 40: grass meal 12: stalk fibre 15.About 10 parts of binder (providing concrete title).

3, engraving is used material embodiment: generally require the material exquisiteness closely knit, the bamboo silk is thin and consumption is less, and wood powder grass meal fineness strengthens, and general mistake 120～200 mesh sieves, string are also thin than above-mentioned two kinds of purposes.

Raw material: bamboo silk cross section 0.3 * 0.3mm ²～1 * 1mm ², parts by weight are: bamboo silk 6: wood powder 50: grass meal 35: stalk plant fiber 45.About 15 parts of binder (providing concrete title).

Claims

1. artificial wood, it is characterized in that: this synthetic wood raw material comprises the uniform mixture of bamboo silk, grass meal and wood powder, string and binder, wherein bamboo silk, grass meal and wood powder, string ratio of weight and number are 20～40: 30～50: 10～50, binder is an amount of, so that mixture is mixed into soft and plastic mud shape is as the criterion; In described homogeneous mixture, be dispersed with an amount of bamboo silk.

2. artificial wood according to claim 1 is characterized in that: the cross-sectional area of described bamboo silk is 0.05mm ²～3mm ², process by bamboo.

3. artificial wood according to claim 1 is characterized in that: described binder adopts the environment-friendly type unsaturated-resin.

4. the production method of a claim 1,2 or 3 described artificial woods, it is characterized in that: described wood powder is pulverized by various waste and old timber or the processing of fragmentary branch and is formed; Described string is rolled into velvet-like fiber and is formed by straw or crudefiber crop, stalk; Described grass fiber is mixed and add binder with wood powder according to described ratio, stir into the mud shape, in the prefabricated mould of packing into, in the filling process, evenly put into the bamboo silk, it is closely knit then to carry out mechanical presses, treats that it solidifies the back form removal fully, promptly obtains the synthetic wood product.

5. the production method of artificial wood according to claim 4 is characterized in that: spray the fire prevention liquor on the velvet-like fiber of making, wood powder, grass meal.