CN88105729A - Veneer adhesive and technology thereof - Google Patents
Veneer adhesive and technology thereof Download PDFInfo
- Publication number
- CN88105729A CN88105729A CN 88105729 CN88105729A CN88105729A CN 88105729 A CN88105729 A CN 88105729A CN 88105729 CN88105729 CN 88105729 CN 88105729 A CN88105729 A CN 88105729A CN 88105729 A CN88105729 A CN 88105729A
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- CN
- China
- Prior art keywords
- agent
- hiding
- tackiness agent
- composite adhesive
- micro veneer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention adopts a kind of composite adhesive, to have on the composite adhesive wood-based plate at roller coat with the micro veneer glue laminated that the agent of hiding is handled, thereby reach the saving precious timber, tackiness agent does not permeate the micro veneer surface, the bonding strength height, advantages such as remarkable in economical benefits are a kind of ideal tackiness agent of wood-based plate secondary processing.
Description
The present invention is a kind of tackiness agent that is used for the wood-based plate secondary processing.
By the micro veneer sticker below 0.25 millimeter that obtains with precious timber cutting on the wood-based plate surface, thereby improve the wood-based plate surface quality and improve Material Strength.The shaving board of micro veneer secondary processing, glued board, medium density fibre board (MDF) and hardboard are widely used in furniture and building decoration.
Technology with precious timber slicing micro veneer occurs already, and tackiness agent all adopts urea-formaldehyde resin, polyvinyl acetate emulsion, or the two also mixes.Gluing pressure craft adopts heat pressing type or colds pressing, and the glue laminated effect is general, and major defect is that tackiness agent is penetrated into the micro veneer surface, and technology is covered with paint, lacquer, colour wash, etc. in influence.
The object of the present invention is to provide a kind of tackiness agent that can not be penetrated into the micro veneer surface.
Technical scheme of the present invention is: tackiness agent comprises two portions: a part is the agent of hiding that micro veneer is handled; Another part is a composite adhesive.The agent of hiding is made up of alum, Sodium hexametaphosphate 99, ammoniacal liquor, and composite adhesive is to be mixed by urea-formaldehyde resin, polyvinyl acetate emulsion and gelatin, and adds flour and wilkinite is formed as stopping composition, and it is as follows specifically to fill a prescription:
The proportioning of agent prescription of hiding is: alum 4～5%, and Sodium hexametaphosphate 99 2～4%, ammoniacal liquor 1～3%, water 93～88%, gross weight is 100%;
The proportioning of composite adhesive prescription is: urea-formaldehyde resin 30～55%, and polyvinyl acetate emulsion 55～75%, gelatin 3～25%, flour 5～28%, wilkinite 5～28%, gross weight is: 100%.
The micro veneer manufacturing processed is as follows: rare tree is cutd open a tree, used in making timber for boats be immersed in the hot water that contains the agent of hiding, the concentration of agent in water of hiding is 1%, soak time was at 24 hours～48 hours, parked after the taking-up 10 minutes, send the slicer slicing to become 0.15～0.25 millimeter micro veneer then, put micro veneer in order edging, when the micro veneer water ratio is right on 20～35% right sides, by hand the micro veneer sticker is had 200g/m at roller coat
2The wood-based plate of composite adhesive on, parked 10 minutes, cold pressing or hot pressing, when agent handles with hiding micro veneer when composite adhesive on the wood-based plate contacts, instantaneous acquisition one deck glued membrane not only can make micro veneer play temporary transient fixed effect, and by colding pressing or hot pressing, tackiness agent can not be penetrated into the micro veneer surface, thereby obtains best effect.General hot pressing temperature is at 100 °～120 ℃, and pressure is at 7kg/cm
2, 1～1.5 minute time, sheet material is stacked edging warehouse-in after 24 hours after the hot pressing.
The present invention compared with prior art, great advantage is that composite adhesive can not be penetrated into the micro veneer surface, thereby saves precious timber, its effect surpasses the secondary processing sheet material of former precious timber, is a kind of ideal tackiness agent.
Claims (3)
1, a kind of veneer adhesive is characterized in that described tackiness agent comprises composite adhesive and the agent two portions of hiding:
A, described composite adhesive are to be mixed by urea-formaldehyde resin, polyvinyl acetate emulsion and gelatin, and add flour and wilkinite is formed as stopping composition.
B, the described agent of hiding are made of alum, Sodium hexametaphosphate 99 and ammoniacal liquor.
2,, it is characterized in that the proportioning of described composite adhesive prescription is according to the described tackiness agent of claim 1:
Urea-formaldehyde resin 30～55%
Polyvinyl acetate emulsion 55～75%
Gelatin 3～25%
Flour 5～28%
Wilkinite 5～28%
Gross weight is 100%.
3, tackiness agent according to claim 1 is characterized in that the proportioning of the described agent prescription of hiding is:
Alum 4～5%
Sodium hexametaphosphate 99 2～4%
Ammoniacal liquor 1～3%
Water 93～88%
Gross weight is 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105729 CN88105729A (en) | 1988-06-09 | 1988-06-09 | Veneer adhesive and technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105729 CN88105729A (en) | 1988-06-09 | 1988-06-09 | Veneer adhesive and technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN88105729A true CN88105729A (en) | 1988-12-21 |
Family
ID=4833876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105729 Pending CN88105729A (en) | 1988-06-09 | 1988-06-09 | Veneer adhesive and technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN88105729A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610886A (en) * | 2015-01-04 | 2015-05-13 | 文安县天华密度板有限公司 | Method for manufacturing environment-friendly density board product, and dedicated anti-aging agent |
-
1988
- 1988-06-09 CN CN 88105729 patent/CN88105729A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610886A (en) * | 2015-01-04 | 2015-05-13 | 文安县天华密度板有限公司 | Method for manufacturing environment-friendly density board product, and dedicated anti-aging agent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |