CN102602085B

CN102602085B - Weatherproof flexible veneer and manufacturing method thereof

Info

Publication number: CN102602085B
Application number: CN201210053134.0A
Authority: CN
Inventors: 赵年高; 赵利军
Original assignee: ZHEJIANG LINYA CO Ltd
Current assignee: ZHEJIANG LINYA CO Ltd
Priority date: 2012-03-02
Filing date: 2012-03-02
Publication date: 2014-07-16
Anticipated expiration: 2032-03-02
Also published as: CN102602085A

Abstract

The invention provides a weatherproof flexible veneer, which comprises a nonwoven fabric layer, a polyurethane (PUR) hot melt adhesive layer, a wood solid veneer layer, a water-based coloring layer, a PUR hot melt adhesive paint layer and an ultraviolet (UV) finish paint layer, wherein the nonwoven fabric layer is bonded with the solid wood veneer layer through the PUR hot melt adhesive layer, and the water-based coloring layer, the PUR hot melt adhesive paint layer and the UV-side paint layer are sequentially coated on the upper surface of the solid wood veneer layer. The weatherproof flexible veneer has good flexibility and does not crack and prevents the paint from peeling off after being bent for multiple times, the adopted synthesized materials can meet the international environment-friendly requirement, a traditional paint technical is changed, no pollution is led to an application environment, the utilization rate of the paint is high, the weatherproof flexible veneer is free from being delaminated at a high temperature and being embrittled at a low temperature, has excellent properties such as ultraviolet resistance, aging resistance and water resistance and can be made into a veneer synthesized material which can be continuously coiled, and the requirement on elongation and mass production of the material can be met.

Description

A kind of wooden skin of weather-proof flexibility and manufacture method thereof

Technical field

The invention belongs to wood processing field, specifically the wooden skin of a kind of weather-proof flexibility.

Background technology

Wood skin is one of building materials, the requisite material of furniture industry, common wooden skin pliability is good not, bending easily cracking, paint easily comes off, the easy delamination of high temperature, the easy embrittlement of low temperature, the weather resistance such as uvioresistant, anti-aging, water proofing property is poor, and traditional painting technology has pollution to environment, paint utilization rate is not high.

Summary of the invention

In order to solve the problems of the technologies described above, the invention provides the wooden skin of a kind of weather-proof flexibility.

The wooden skin of a kind of weather-proof flexibility, it is characterized in that it comprises nonwoven layer, PUR hot melt adhesive layer, solid wood cortex, water-based dyed layer, PUR PUR enamelled coating and the UV top coat layer being arranged in order from bottom to top, described nonwoven layer is bonding by PUR hot melt adhesive layer and solid wood cortex, and solid wood cortex upper surface is coated with successively water-based dyed layer, PUR PUR enamelled coating and UV top coat layer are set.

The wooden skin of the weather-proof flexibility of described one, the thickness that it is characterized in that described solid wood cortex is 0.25-0.35mm.

The manufacture method of the described wooden skin of a kind of weather-proof flexibility, is characterized in that comprising the steps:

1) by bonding by PUR PUR to wood skin and nonwoven, plate and become basic material through hot-rolling.

2) adopt water stain uniform coloring at wooden epidermis face, highlight the naturally clear texture of wooden skin, then application hot melt shellac varnish, UV finish paint seal wooden epidermis face palm fibre hole to reach plentiful, aesthetic.

Described method, the consumption that it is characterized in that PUR PUR in step 1) is 50-60g/ ㎡.

Described method, is characterized in that step 2) in the consumption of hot melt shellac varnish be 50-60g/ ㎡.

Described method, is characterized in that step 2) in the consumption of water stain be 60-80 g/ ㎡.

Described method, is characterized in that step 2) in the consumption of UV finish paint be 20-40 g/ ㎡.

The wooden skin of the weather-proof flexibility of one of the present invention, there is good pliability, repeatedly bending-wood skin does not ftracture, paints and do not come off, the synthetic material adopting can reach International Environmental Protection requirement, has changed traditional painting technology, pollution-free to environment for use, the utilization rate of paint is high, not delamination of high temperature, not embrittlement of low temperature and have the performances such as very high uvioresistant, anti-aging, waterproof, can make the wooden skin synthetic material of continuous rolling, the requirement that can meet long material and produce in enormous quantities.

Brief description of the drawings

Fig. 1 is the structural representation of the wooden skin of a kind of weather-proof flexibility of the present invention;

Fig. 2 is the product overall schematic of the wooden skin of a kind of weather-proof flexibility of the present invention;

In figure, 1-UV top coat layer; 2-PUR PUR enamelled coating; 3-water-based dyed layer; 4-solid wood cortex; 5-PUR hot melt adhesive layer; 6-nonwoven layer.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in detail.

As depicted in figs. 1 and 2, the wooden skin of the weather-proof flexibility of one of the present invention, comprise the nonwoven layer, PUR hot melt adhesive layer, solid wood cortex, water-based dyed layer, PUR PUR enamelled coating and the UV top coat layer that are arranged in order from bottom to top, nonwoven layer is bonding by PUR hot melt adhesive layer and solid wood cortex, and solid wood cortex upper surface is coated with successively water-based dyed layer, PUR PUR enamelled coating and UV top coat layer are set.

Embodiment 1

The wooden skin of the weather-proof flexibility of one of the present invention, uses following material to make: the hot solid wood cortex in sky that solid wood cortex adopts Dehua TB New Decoration Material Co., Ltd to produce; PUR hot melt adhesive layer adopts the PUR PUR of Germany's " glue king " board; PUR PUR enamelled coating adopts the PUR hot melt shellac varnish of Germany's " Ke Libao " board; Water-based dyed layer uses the colouring agent of the U.S. " Du Pont " board; The UV finish paint that UV top coat layer adopts Zhuhai Dongcheng UV Materials Co., Ltd. to produce.

This production technique is as follows:

1. by bonding by PUR PUR to the wood skin of thickness 0.3mm and nonwoven, plate and become basic material through hot-rolling, wherein the consumption of PUR PUR is 55g/ ㎡;

2. adopt water stain uniform coloring at wooden epidermis face, highlight the naturally clear texture of wooden skin, application hot melt shellac varnish, UV finish paint make wooden epidermis face palm fibre hole sealing reach plentiful, aesthetic again, wherein the consumption of hot melt shellac varnish is 55g/ ㎡, water stain consumption is 70 g/ ㎡, and UV finish paint consumption is 30 g/ ㎡.

Above technique all utilizes plant equipment to reach industrialized mass production.

The properties of product experiment of embodiment 1

1. boiling water resistance experiment

After the boiling water test of 24 hours, coating surface is without the phenomenon such as coming off, wrinkling.

2. the acid experiment of salt tolerant

After salt tolerant acid test, coating surface is without bubble and other significant changes.

3. washing fastness experiment

After washing fastness test, coating surface is without coming off or other significant changes.

4. salt fog resistance experiment

After the acetic acid salt spray test of 1000h, coating surface is without bubbling, coming off or other significant changes, and the line two side forms limit permeating corrosion width that places an order is no more than 4mm.

5. humidity resistance

After the damp heat test of 1000h, coating surface is without bubbling, coming off or other significant changes.

6. accelerate weatherability experiment

Irradiate 1000h with xenon lamp and carry out artificial accelerated aging test, variable color degree Δ E≤2.5, gloss retention > 90%.

More than the experimental technique of experiment all carries out according to the prescriptive procedure of national standard.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within being all included in protection scope of the present invention.

Claims

1. the wooden skin of weather-proof flexibility, it is characterized in that it comprises the nonwoven layer (6) being arranged in order from bottom to top, PUR hot melt adhesive layer (5), solid wood cortex (4), water-based dyed layer (3), PUR PUR enamelled coating (2) and UV top coat layer (1), described nonwoven layer (6) is bonding by PUR hot melt adhesive layer (5) and solid wood cortex (4), solid wood cortex (4) upper surface is coated with successively water-based dyed layer (3) is set, PUR PUR enamelled coating (2) and UV top coat layer (1), the thickness of described solid wood cortex (4) is 0.25-0.35mm, the manufacture method of the wooden skin of described weather-proof flexibility comprises the steps:

1) by bonding by PUR PUR to wood skin and nonwoven, plate and become basic material through hot-rolling, wherein the consumption of PUR PUR is 55g/ ㎡;

2) adopt water stain uniform coloring at wooden epidermis face, highlight the naturally clear texture of wooden skin, application hot melt shellac varnish, UV finish paint make wooden epidermis face palm fibre hole sealing reach plentiful, aesthetic again, wherein the consumption of hot melt shellac varnish is 55g/ ㎡, the consumption of water stain is 70 g/ ㎡, and the consumption of UV finish paint is 30 g/ ㎡.