CN1663933A - Method for producing simulated wood materials - Google Patents
Method for producing simulated wood materials Download PDFInfo
- Publication number
- CN1663933A CN1663933A CN 200410028512 CN200410028512A CN1663933A CN 1663933 A CN1663933 A CN 1663933A CN 200410028512 CN200410028512 CN 200410028512 CN 200410028512 A CN200410028512 A CN 200410028512A CN 1663933 A CN1663933 A CN 1663933A
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- gypsum
- formaldehyde resin
- urea
- resin
- flood
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Abstract
The invention disclose a process for preparing gypsum-based composite material which comprises, making plaster products through calcined gypsum pouring, die pressing and twisting, charging gypsum into fabric, lightweight material and other accessory material, drying and steeping in steeping liquor such as urea-formaldehyde resin or melamine formaldehyde resin, wherein the solidifying agent can be charged into the steeping liquor, finally carrying out drying process after immersion.
Description
The invention belongs to the material of construction class, is a kind of production method of composite gypsum material.
Gypsum is fast, the easy-formation of curing speed, and dimensional stability is good, fire prevention, and light weight has a kind of inorganic materials of imitative wooden performances such as can sawing, can follow closely, can dig.Can be frozen into the goods of different shape at short notice, goods svelteness, smooth surface.But low, the poor water resistance of plastering intensity, thereby limited its utilization field.Gypsum based composite is a kind of effective way of improving the gypsum performance.Gypsum and urea-formaldehyde resin are compound, existing both at home and abroad report.But composite methods is to mix with urea-formaldehyde resin is disposable with gypsum, is solidified to form goods.This method can delay the set time of this matrix material owing to produce undesirable action between urea-formaldehyde resin and the gypsum mutually in process of setting, reduces demoulding strength, easily causes product breakage.Because this matrix material initial stage surface has adhesivity, also causes difficulty to the demoulding, influenced the level and smooth of product surface.Address these problems then and be not easy.
The present invention carries out the compound of gypsum and urea-formaldehyde resin in two steps.Before this with gypsum material with independent moulding of method such as cast, mold pressing, windings, after the drying, flood urea-formaldehyde resin again.Elder generation's gypsum moulding can be avoided the side effect that urea-formaldehyde resin produces in the gypsum moulding process.Guarantee gypsum rapid shaping and demoulding strength, made it the easy demoulding, and obtained exquisite slick product.Thereby production efficiency and quality product have been improved.After the plastering drying, internal structure is a porous body, and its porosity can reach 50%, absorbs the very capable of liquid.Can utilize these characteristics of gypsum, place the urea-formaldehyde resin steeping fluid of having allocated solidifying agent to flood again in goods, this has reached gypsum and urea-formaldehyde resin compound effect equally.And this method can be according to the impregnating depth of the suitable controlled liq of goods service requirements in plastering, thereby save steeping fluid, reduced production cost.
Behind the dipping, preferably be put in the roasting plant, make it to do solid under 120 ℃ the temperature in not being higher than, can become fast like this that intensity height, wear resistance are good, water-tolerant, do not fire, lightweight, the gypsum based composite goods that can saw, can follow closely, can dig with imitative wooden performance.Also can slowly do solid under field conditions (factors).
The method of this making gypsum base composite wood is suitable for the plaster of paris, also is suitable for chemical gypsum, comprises phosphogypsum, sulphur gypsum, fluorgypsum etc.Can add inorganic fibre and organic fibre in the gypsum, as glass fibre, man-made fiber, bamboo and woods fiber, brown fiber crops and agriculture tangerine bar etc.Can add inorganic, organic light material, as pearlstone, polystyrene foamed plastics etc.Also can add gypsum reinforcing agent and optical brightener.
The steeping fluid that production method was suitable for of this making gypsum based composite, instrument is not a urea-formaldehyde resin, and can be terpolycyantoamino-formaldehyde resin, resol etc. can flood gypsum and improve the resin of gypsum intensity and performance.
But this method production mould, artwork, furniture, material of construction and wrapping material.
Example: produce a carving table pin.
Prescription: the plaster of Paris 1000 grams, short glass fiber 5 grams, monofilament 20 grams, polystyrene foam grain 24 grams.
Urea-formaldehyde resin 1000 grams, ammonia chloride 20 grams.
Be ready to leg of a table mould one cover, wiped releasing agent (suds).
Operate one: 1, terra alba added auxiliary material mix, pressurize among injecting mould.2, general delivery after 30 minutes gypsum sets.3, the gypsum table pin that takes out was placed 12 hours, made it abundant aquation.4, cryodrying.
Operate two: 1, ammonia chloride is allocated in the urea-formaldehyde resin steeping fluid.2, the gypsum pin with thorough drying is dipped in the steeping fluid, dipping: about half an hour.
Operation three: impregnated table pin is put into baking oven, do admittedly not being higher than under 120 ℃ the temperature baking, be finished product.
Claims (6)
1, the present invention is a kind of production method of making gypsum based composite, it is characterized in that: make plastering earlier, flood with resin impregnation liquid then, thereby form product.
2, the described gypsum of claim 1 is the plaster of paris and industrial gypsum.Industrial gypsum comprises sulphur gypsum, phosphogypsum, fluorgypsum etc.
3, the described steeping fluid of claim 1 also comprises the melamine formaldehyde resin except that urea-formaldehyde resin, and resol etc. can flood gypsum and improve the resin of gypsum intensity and performance.
4, can add inorganic and organic fibre in the claim 2, inorganic and organic light material, and gypsum reinforcing agent and optical brightener.
5, the described method of claim 1 is selected different solidifying agent or is not used solidifying agent according to the different resins characteristic.
6, the described method of claim 1 requires to select heat treatment mode or room temperature treatment mode according to the characteristic and the quality product of different resins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410028512 CN1663933A (en) | 2004-03-05 | 2004-03-05 | Method for producing simulated wood materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410028512 CN1663933A (en) | 2004-03-05 | 2004-03-05 | Method for producing simulated wood materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1663933A true CN1663933A (en) | 2005-09-07 |
Family
ID=35035268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410028512 Pending CN1663933A (en) | 2004-03-05 | 2004-03-05 | Method for producing simulated wood materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1663933A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070314A (en) * | 2010-11-19 | 2011-05-25 | 吴江龙泾红贝家装有限公司 | Composite material for industry and preparation method thereof |
| CN102531510A (en) * | 2011-12-15 | 2012-07-04 | 青岛金王应用化学股份有限公司 | Fragrant high-hardness gypsum artwork and preparation method thereof |
| CN106478145A (en) * | 2016-11-01 | 2017-03-08 | 长兴钦禾建材科技有限公司 | A kind of antimagnetic gypsum board suitable for high humidity environment and preparation method thereof |
-
2004
- 2004-03-05 CN CN 200410028512 patent/CN1663933A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070314A (en) * | 2010-11-19 | 2011-05-25 | 吴江龙泾红贝家装有限公司 | Composite material for industry and preparation method thereof |
| CN102531510A (en) * | 2011-12-15 | 2012-07-04 | 青岛金王应用化学股份有限公司 | Fragrant high-hardness gypsum artwork and preparation method thereof |
| CN102531510B (en) * | 2011-12-15 | 2016-08-03 | 青岛金王应用化学股份有限公司 | A kind of fragrant high-hardness gypsum artwork and preparation method thereof |
| CN106478145A (en) * | 2016-11-01 | 2017-03-08 | 长兴钦禾建材科技有限公司 | A kind of antimagnetic gypsum board suitable for high humidity environment and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |