CN103950074A - Melamine plate and preparing method thereof - Google Patents
Melamine plate and preparing method thereof Download PDFInfo
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- CN103950074A CN103950074A CN201410165192.1A CN201410165192A CN103950074A CN 103950074 A CN103950074 A CN 103950074A CN 201410165192 A CN201410165192 A CN 201410165192A CN 103950074 A CN103950074 A CN 103950074A
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Abstract
The invention relates to a melamine plate, which comprises a layer of substrate plate and a layer of melamine paper, wherein the melamine paper is pasted on the substrate plate surface. A preparing method of the melamine plate comprises the steps that after a raw material plate is subjected to hot pressing, putty is taken for filling up the raw material plate, in addition, sanding is carried out, one side of the raw material plate flattened through filling up is puttied once by the putty, and after 12 to 48 hours, the side is subjected to once sanding; the other side of the raw material plate is puttied once by the putty through adopting the same method, then, the side is subjected to once sanding, and after the aging is carried out for 1 to 3 days, the melamine paper can be pasted. The melamine plate has the advantages that the quality of obtained finished products is good, the finished product rate is high, the formaldehyde content is low, and the production cost is low.
Description
Technical field
The present invention relates to a kind of wood-based plate and preparation method thereof, particularly a kind of triamine plate and preparation method thereof.
Background technology
Eucalyptus is one of main artificial forest quick growing species of trees of China.Within 1 year, grow up, within 3 years, become a useful person, within 5 years, just can fell utilization.Eucalyptus Wood is mainly used for the production of wood chip and paper pulp for a long time, and the production of eucalyptus hardboard and particieboard also has relatively long history, and utilizes in a large number fast-growing eucalyptus artificial forest to produce having developed rapidly in recent years of veneer and sawn timber.
Melamine decorative veneer, is called for short triamine plate, claims again decoration panel, and it is one-shot forming plate also person; To overlay and form by base material (MDF, particieboard, core-board, glued board etc.) and melamine gum dipped paper (body paper floods special triamine glue) high temperature.The production of triamine plate in the market, have taking Eucalyptus glued board or core-board as base material, but, because Eucalyptus plate surface layer has eye more, bursts, burr, if directly paste melamine-impregnated bond paper on the Eucalyptus glued board of veneer not or core-board, be called for short melamine paper, the triamine plate mass effect of making is also bad, easily make that the charing of obtained triamine plate, bubble split, color and luster is inhomogeneous, thereby the efficiency that makes to manufacture a finished product is extremely low.In order to make up above-mentioned defect, now use common process, putty formula is careless about, in order to make the better quality of gained triamine plate, in the time producing triamine plate substrate plate, after Puttying sanding, must paste the whole Zhang Yangmu face of one deck or then other whole solid wood surface could heat and overlay melamine paper in the above.Utilize the method to produce gained triamine plate quality and improved, the efficiency that manufactures a finished product has improved, but because poplar or other solid wood price are higher, thereby production cost is also improved thereupon.
And, with the method for pasting poplar face or solid wood surface on Eucalyptus glued board or core-board face, can not solve the smooth problem of gained triamine plate plate face completely, some areas still there will be melamine paper charing, the inhomogeneous problem of color and luster.And poplar or other solid wood prices be all somewhat expensive, the method has increased the production cost of producing triamine plate on the one hand simultaneously, and adhesive used is many on the one hand, and the burst size of formaldehyde in triamine plate has been increased.Therefore, how to produce one and can improve triamine plate quality, reduce costs and triamine plate in the method for burst size of methanal, become very important.
Summary of the invention
The present invention is directed to the problem that in above-mentioned prior art, triamine plate quality is good not, cost is high, content of formaldehyde is high, invent a kind of triamine plate and preparation method thereof, when being intended to improve triamine plate quality, reduce the burst size of formaldehyde in triamine plate production cost and gained triamine plate.
Technical scheme of the present invention is as follows:
A kind of triamine plate, comprises one deck backing material plate, one deck melamine paper, and described melamine paper is attached on described backing material plate face.
Wherein, described backing material plate is to fill up the raw material plate after smooth with putty.
Wherein, described raw material plate is the Eucalyptus glued board of not veneer or the core-board of veneer not.
Wherein, described putty comprises following component by ratio of quality and the number of copies: 26～74 parts of adhesive, 50～150 parts of stone flours, 0～20 part of wood powder, pH value are 0～10 part of the acidic materials of 5≤pH value < 7.
Wherein, described adhesive comprises following component by ratio of quality and the number of copies: 0～1000 part of the one in 80～200 parts of macromolecule emulsions, poly-vinyl alcohol solution or Pioloform, polyvinyl acetal.
Wherein, described Pioloform, polyvinyl acetal is the one in polyvinyl formal, polyvinyl acetal, polyvinyl alcohol contracting propionic aldehyde, polyvinyl butyral resin.
Wherein, described pH value is that the acidic materials of 5≤pH value < 7 are acidulous material: be the one in ammonium chloride, ammonium sulfate, citric acid or other faintly acid salt or weak acid.
The preparation method of triamine plate of the present invention: by after raw material plate hot pressing, get putty and fill up raw material plate sanding, stand-by; Then continue with putty, the one side of filling up the raw material plate after sanding to be scraped one time, after 12～48h, then to this facing sand light one time; Afterwards, after the same method the another side of raw material plate is scraped one time with putty, and then to this facing sand one time, pasted melamine paper after displaying 1～3d.
The preparation method of triamine plate of the present invention, its more detailed step is: will after raw material plate hot pressing, fill up the eye on raw material plate with putty, burst the gap causing, burr, depression etc., 12～48h sanding after putty is dry, then continue with putty, the raw material plate one side of filling up after sanding to be scraped one time, make putty by the eye on raw material plate, burst the gap causing, burr, depression etc. is padded to without depression maybe can the projection below 1mm, 12～48h is after putty is dry, then to this facing sand light one time, projection on plate is sand flat, and ensure that this plate face is smooth again without projection, without depression, afterwards, after the same method the another side of raw material plate is first scraped one time with putty, and then to this facing sand light one time, guaranteed that raw material plate face is smooth to obtain backing material plate without projection, without depression, can paste melamine paper after displaying 1～3d.
Wherein, described with putty be that above scraping at least one times carried out on raw material plate two sides after using putty to hot pressing by filling up raw material plate after sanding, and to raw material plate above sanding at least one times.
Compared with prior art, beneficial effect of the present invention:
The present invention uses acidity or neutral putty to fill up the gap of raw material plate plate, eye, depression etc., gained putty intensity is larger, better performances, can well repair the defect on raw material plate and can not cause that the bubble of putty splits, caves in and affects veneer effect in the time of straight subsides triamine paper.Preferably acid putty, after acid putty is dry, dry strength is similar to Eucalyptus plate dry strength, fills up eye on raw material plate, bursts the gap, the depression etc. that cause and play good adhesive effect, make the raw material plate after filling up more smooth, thereby can directly paste melamine paper; And raw material plate is also to present subacidity, close with acid putty character, thereby while making the raw material plate of melamine paper after being attached to putty and filling up, fit better effects if, further the present invention uses putty to fill up on smooth raw material plate and pastes melamine paper, makes that gained end product quality is good, yield rate is high.Triamine plate of the present invention need not use poplar or other solid woods to be fitted in backing material plate two sides just can directly paste melamine paper, two sides poplar or solid wood surface are pasted less, reduce the use amount of two-layer adhesive, thereby reduce the burst size of formaldehyde, further make triamine plate content of formaldehyde of the present invention reduce, quality is safer.
Brief description of the drawings
There is charing picture for having pasted the obtained triamine plate of poplar face plate face in Fig. 1.
Fig. 2 has pasted the obtained triamine plate of poplar face plate face to occur the picture that color and luster is inhomogeneous.
Fig. 3 is the picture that has pasted the stronger degree charing of the obtained triamine plate of poplar face plate face appearance.
Fig. 4 is the plate face that the obtained triamine plate of the present invention repairs with putty while not pasting melamine paper.
Fig. 5 is the obtained triamine panel products of the present invention picture.
Fig. 6 is for prepared triamine plate side after having pasted poplar face is according to (left side) and the contrast of triamine plate of the present invention side according to (right side).
Detailed description of the invention
Further describe the present invention referring to detailed description of the invention, to make those skilled in the art can implement according to this with reference to description word, protection domain of the present invention is not limited by embodiments of the present invention.
Preparation adhesive:
0#: taking kg as unit, take polyvinyl acetate emulsion 100kg, polyvinyl butyral resin 500kg, put into polyvinyl acetate emulsion successively, poly-vinyl alcohol solution is mixed to form adhesive.
1#: taking kg as unit, take polyvinyl acetate emulsion 100kg, poly-vinyl alcohol solution 500kg, put into polyvinyl acetate emulsion successively, poly-vinyl alcohol solution is mixed to form adhesive.
2#: taking kg as unit, take benzene emulsion 80kg, polyvinyl formal 1000kg, put into benzene emulsion successively, polyvinyl formal is mixed to form adhesive.
3#: taking kg as unit, take pure-acrylic emulsion 100kg, polyvinyl acetal 500kg, put into pure-acrylic emulsion successively, polyvinyl acetal is mixed to form adhesive.
4#: taking kg as unit, take benzene emulsion 200kg, polyvinyl alcohol contracting propionic aldehyde 200kg, put into successively benzene emulsion, polyvinyl alcohol contracting propionic aldehyde is mixed to form adhesive.
5#: taking kg as unit, take polyvinyl acetate emulsion 200kg and form adhesive.
Preparation putty
6#: taking kg as unit, take 1# adhesive, the stone flour of 100kg, the 10kg wood powder of 35kg, the ammonium chloride of 1kg, mixing and stirring, forms putty, and now pH value is 6.2, and gained putty is for subsequent use.
7#: taking kg as unit, take the 2# adhesive of 74kg, the stone flour of 150kg, the ammonium sulfate of 1.34kg, mixing and stirring, forms putty, and now pH value is 6.5, and gained putty is for subsequent use.
8#: taking kg as unit, take 3# adhesive, the stone flour of 50kg, the 5kg wood powder of 26kg, the citric acid of 0.62kg, mixing and stirring, forms putty, and now pH value is 5, and gained putty is for subsequent use.
9#: taking kg as unit, take 4# adhesive, the stone flour of 100kg, the 15kg wood powder of 50kg, mixing and stirring, forms putty, and now pH value is 7, and gained putty is for subsequent use.
10#: taking kg as unit, take 5# adhesive, the stone flour of 100kg, the 15kg wood powder of 35kg, 1kg ammonium hydrogen sulfate, mixing and stirring, forms putty, and now pH value is 6.5, and gained putty is for subsequent use.
11#: taking kg as unit, take 0# adhesive, the stone flour of 100kg, the 10kg wood powder of 35kg, 1kg oxalic acid, mixing and stirring, forms putty, and now pH value is 6.3, and gained putty is for subsequent use.
Embodiment 1
First get the cyanurotriamide modified urea resin glue of 2kg, add the flour of 0.4kg to mix, then put into glue spreader.12 of Eucalyptus veneers getting 1270 × 640 × 1.7mm, are directly layered on 4 Eucalyptus veneers that were not coated with glue on workbench, are bottom veneer, get other 4 Eucalyptus veneers and carry out gluing by glue spreader, two plate face angles that ensure gluing are evenly distributed, then these the 4 two-sided Eucalyptus veneers (middle level offset plate) that scribble glue are placed on bottom veneer, after completing, 4 that repave remainder do not have the Eucalyptus veneer of gluing to carry out assembly, middle level offset plate and bottom veneer are in 90 °, be that bottom offset plate is vertical setting of types or bottom plate vertical setting of types middle level offset plate horizontally-arranged Wei Transverse row middle level offset plate, Zong Transverse is staggered and is paved into specification is 2540 × 1280 × 5.1mm slab, adopt complementary split level style to splice and repair, make multilayer Eucalyptus plate structure more firm.After assembly completes, slab is first put into preformer and carry out a precompressed, precompressed 45min under normal temperature.Slab after precompressed is put into hot press and carry out hot pressing, make between slab between Eucalyptus veneer each layer firmly to stick up.When hot pressing, temperature is 110 DEG C, and pressure is 0.8MPa, and the time is 6min.By the slab after hot pressing with 6# putty scrape for the first time, sand: manually use scraper respectively to the eye on slab face, burst the gap causing, upper putty is scraped in the place of depression, respectively scrape one time, make putty fill up eye on the slab face of slab, burst the gap, the depression etc. that cause, after 24h, treat that putty parches, use sander by the each sanding of slab face difference one time, the projection in steel slab surface is sand flat; Then according to scraping for the first time, the method for sand continues with putty scraping for the first time, slab face after sand carries out for the second time, scrape for the third time, sand, carries out next process after completing: to slab face scrape for the last time, sand.By complete with putty carry out scraping for three times, the one side of slab after sand continues to scrape one time with putty, necessarily make on slab face without depression, for ensureing can to allow slightly projection without depression, projection is no more than 1mm, 24h is after putty is dry, this face is carried out to sanding with sander, make slab plate face smooth without depression, without projection; Then to the another side of slab use the same method repairing putty and sanding; After 2h, again slab two sides is checked respectively, without depression, projection, be Eucalyptus backing material plate, as accompanying drawing 4.After Eucalyptus backing material plate is displayed to 2d, paste melamine paper, obtain product.As shown in Figure 5.
Embodiment 2
First get the cyanurotriamide modified urea resin glue of 2.2kg, add the flour of 0.44kg to mix, then put into glue spreader.Getting 8 block specifications is the Eucalyptus veneer of 1270 × 640 × 3.2mm, 8 Eucalyptus veneers is directly put into glue spreader and carry out single spreading, ensures that the Ban Mianjiao of gluing is evenly distributed.By 4 Eucalyptus veneer horizontally-arrangeds that were coated with glue on workbench, and by the side that was coated with glue upward, and then put the plate core that whole specification is 2540 × 1280 × 11mm, then the side core-board slab that horizontally-arranged composition specification is 2540 × 1280 × 17.5mm of other 4 Eucalyptus veneer gluings of glue will be coated with down, after assembly completes, core-board slab is first put into preformer and carry out precompressed, precompressed 50min under normal temperature.Core-board slab after precompressed is put into hot press and carry out hot pressing, make between core-board slab each layer firmly to stick up.When hot pressing, temperature is 115 DEG C, and pressure is 1.0MPa, and the time is 18min.By the core-board slab after hot pressing with 7# putty scrape for the first time, sand: manually use scraper respectively to the eye on core-board slab face, burst the gap causing, upper putty is scraped in the place of depression, respectively scrape one time, fill up eye on core-board slab face, burst the gap, the depression etc. that cause with putty, after 48h, treat that putty parches, use sander by respectively each core-board slab face sand on one side, the projection on core-board slab face is sand flat; Then according to scraping for the first time, the method for sand continues with putty scraping for the first time, core-board slab face after sand carries out for the second time, scrape for the third time, sand, carries out next process after completing.With putty scrape for the last time, when sand, must scrape on core-board slab face without depression, for ensureing can to allow slightly projection without depression, projection is no more than 1mm, 48h carries out sanding with sander to this face after putty is dry, by complete with putty carry out scraping for three times, the one side of core-board after sand continues to scrape one time with putty, makes on core-board slab face smooth without depression.Finding has some places projection on laminated wood board face, and projection is 0.1～0.9mm, then with sander, this face is carried out to sanding, makes core-board smooth without depression, without projection; Then to the another side of core-board slab use the same method repairing putty and sanding, make on plate face smooth without depression, without projection.Confirm that through inspection plate face, without depression, without projection, is the triamine backing material plate of the core-board of Eucalyptus face, paste melamine paper after core-board backing material plate is displayed to 3d, obtain product.
Embodiment 3
First get the cyanurotriamide modified urea resin glue of 50kg, add the flour mixing and stirring of 13kg, then put into glue spreader.20 of Eucalyptus veneers getting 1270 × 640 × 1.7mm, carry out gluing by 8 Eucalyptus veneers by glue spreader, ensure that the Ban Mianjiao of gluing is evenly distributed.4 Eucalyptus veneers that were not coated with glue are layered on workbench, are bottom veneer, get other 8 Eucalyptus veneers and carry out gluing by glue spreader, two plate face angles that ensure gluing are evenly distributed, then these the 8 two-sided Eucalyptus veneers (offset plate × 2, middle level) that scribble glue are placed on bottom veneer, after completing, 4 that repave remainder do not have the Eucalyptus veneer of gluing to carry out assembly, middle level offset plate and bottom veneer are in 90 °, be that bottom offset plate is vertical setting of types or bottom plate vertical setting of types middle level offset plate horizontally-arranged Wei Transverse row middle level offset plate, Zong Transverse is staggered and is paved into specification is 2540 × 1280 × 8.5mm slab, adopt complementary split level style to splice and repair, make multilayer Eucalyptus plate structure more firm.After assembly completes, slab is first put into preformer and carry out a precompressed, precompressed 60min under normal temperature.Slab after precompressed is put into hot press and carry out hot pressing, make between slab the Eucalyptus veneer of each layer firmly stick up.When hot pressing, temperature is 105 DEG C, and pressure is 0.6MPa, and the time is 9min.By the slab after hot pressing with 8# putty scrape for the first time, sand: manually use scraper respectively to eye on the face of slab, burst the gap causing, upper putty is scraped in the place of depression, respectively scrape one time, fill up eye on slab face, burst the gap, the depression etc. that cause with putty, after 12h, treat that putty parches, use sander by the each sanding of slab face difference one time, the projection on slab face is sand flat; Then according to scraping for the first time, the method for sand continues with putty scraping for the first time, two large plate faces of slab after sand carry out for the second time, for the third time, scrape for the 4th time, sand, after completing, carry out next process.By complete with putty carry out scraping for four times, the one side of slab after sand continues to scrape one time with putty, make on slab plate face without depression.On slab plate face, allowed projection, projection is no more than 1mm, then with sander, this face is carried out to sanding, makes slab smooth without depression, without projection; Then the another side Puttying and the sanding that use the same method to slab; After 2h, again slab face is checked respectively, without depression, projection, be Eucalyptus backing material plate.After Eucalyptus backing material plate is displayed to 1d, paste melamine paper, obtain product.
Embodiment 4
In the present embodiment, raw materials used plate is Eucalyptus plate.Except putty used is 9# putty, in other operation and embodiment 1, be as good as.
Embodiment 5
In the present embodiment, raw materials used plate is Eucalyptus plate.Except putty used is 10# putty, in other operation and embodiment 2, be as good as.
Embodiment 6
In the present embodiment, raw materials used plate is Eucalyptus plate.Except putty used is 11# putty, in other operation and embodiment 3, be as good as.
Comparative example 1
In the present embodiment, raw materials used plate is Eucalyptus plate, and powder of lacquer putty for use on used is commercially available.First get the cyanurotriamide modified urea resin glue of 3kg, add the flour of 0.6kg to mix, then put into glue spreader.12 of Eucalyptus veneers getting 1270 × 640 × 1.7mm, are directly layered on 4 Eucalyptus veneers that were not coated with glue on workbench, are bottom veneer, get other 4 Eucalyptus veneers and carry out gluing by glue spreader, two plate face angles that ensure gluing are evenly distributed, then these the 4 two-sided Eucalyptus veneers (middle level offset plate) that scribble glue are placed on bottom veneer, after completing, 4 that repave remainder do not have the Eucalyptus veneer of gluing to carry out assembly, middle level offset plate and bottom veneer are in 90 °, be that bottom offset plate is vertical setting of types or bottom plate vertical setting of types middle level offset plate horizontally-arranged Wei Transverse row middle level offset plate, Zong Transverse is staggered and is paved into specification is 2540 × 1280 × 5.1mm slab, adopt complementary split level style to splice and repair, make multilayer Eucalyptus plate structure more firm.After assembly completes, slab is first put into preformer and carry out a precompressed, precompressed 45min under normal temperature.Slab after precompressed is put into hot press and carry out hot pressing, make the Eucalyptus veneer of multilayer between slab firmly stick up.When hot pressing, temperature is 105 DEG C, and pressure is 0.6MPa, and the time is 6min.By the slab after hot pressing, powder of lacquer putty for use on and the 37.5kg water of getting 110kg stir, putty pH value 10, then uses putty, scrapes, sand: use solutioning machine respectively two of slab large plate faces to be scraped to upper putty, respectively scrape twice, with eye on putty collar plate blanket face, to burst the gap, the depression etc. that cause smooth, after 24h, treats that putty parches, use sander by slab face each sand twice respectively, the projection on slab plate face is sand flat; Get the poplar panel that two specifications are 2540 × 1280 × 0.5mm, each by the wherein gluing in two poplar panels, then with slab assembly, the two-sided slab poplar panel that is covered with is carried out to secondary hot pressing, put into preformer and carry out a precompressed, precompressed 45min under normal temperature.Slab after precompressed is put into hot press and carry out hot pressing, make the Eucalyptus veneer of multilayer between slab firmly stick up.When hot pressing, temperature is 105 DEG C, and pressure is 0.6MPa, and the time is 7min, obtains Eucalyptus poplar face backing material plate.After Eucalyptus backing material plate is displayed to 2d, paste melamine paper, obtain product.As accompanying drawing 1, accompanying drawing 2, accompanying drawing 3.Gained triamine plate in gained triamine plate and the present embodiment in embodiment 1 is compared, as shown in Figure 6.
By accompanying drawing 1, accompanying drawing 2, in accompanying drawing 3, can find out, paste the prepared triamine panel products of poplar face and easily occurred quality problems, because the method for common production triamine plate, putty used is careless about, degree of adhesion, intensity, hardness etc. are all bad, although stick poplar face or solid wood surface, but it is bad that backing material plate is repaired, while pasting melamine paper, under paster, the local plate face out-of-flatness of 3mm will directly affect the quality of obtained triamine plate, as accompanying drawing 1, the carbonization problem of accompanying drawing 3, the inhomogeneous problem of color and luster in accompanying drawing 2, yield rate is reduced, thereby reduce production efficiency.And poplar face or solid wood surface only have at most 0.5～1mm, paste thicker poplar face or solid wood surface, cost is just higher.By finding out in Fig. 4, in the present invention with putty scrape, gained backing material plate plate face is very smooth after sand, not depression or other projections, thus make obtained triamine plate as shown in Figure 5, plate face is smooth, bright and clean, zero defect, does not occur charing, the unequal problem of color and luster.Shown in Fig. 6, the left side is the side photograph that has pasted the obtained triamine plate of poplar face, and plate thickness is 5mm, and Eucalyptus plate skin has the poplar face of obvious white, and thickness is approximately 0.5mm; The right is triamine plate of the present invention side photograph, can see the very thin melamine paper of outer adularescent of outermost layer Eucalyptus plate, and without poplar face.
The present invention uses acid putty to fill up the gap of raw material plate plate, eye, depression etc., after acid putty is dry, dry strength is similar to Eucalyptus plate dry strength, fill up eye on raw material plate, burst the gap, the depression etc. that cause and play good adhesive effect, make the raw material plate after filling up more smooth, thereby can directly paste melamine paper; And raw material plate is also to present subacidity, close with acid putty character, thereby while making the raw material plate of melamine paper after being attached to putty and filling up, fit better effects if, further the present invention uses putty to fill up on smooth raw material plate and pastes melamine paper, makes that gained end product quality is good, yield rate is high.Triamine plate of the present invention need not use poplar or other solid wood surfaces to be fitted in backing material plate two sides just can directly paste melamine paper, reduce production cost, two sides poplar or solid wood surface are further pasted less, reduce the use amount of two-layer adhesive, further make triamine plate burst size of methanal of the present invention reduce, quality is safer.
Claims (9)
1. a triamine plate, is characterized in that: comprise one deck backing material plate, and one deck melamine paper, described melamine paper is attached on described backing material plate face.
2. triamine plate according to claim 1, is characterized in that: described backing material plate is to fill up the raw material plate after smooth with putty.
3. triamine plate according to claim 2, is characterized in that: described raw material plate is the Eucalyptus glued board of not veneer or the core-board of veneer not.
4. triamine plate according to claim 2, it is characterized in that, described putty comprises following component by ratio of quality and the number of copies: 26～74 parts of adhesive, 50～150 parts of stone flours, 0～20 part of wood powder, pH value are 0～10 part of the acidic materials of 5≤pH value < 7.
5. triamine plate according to claim 4, is characterized in that: described adhesive comprises following component by ratio of quality and the number of copies: 0～1000 part of the one in 80～200 parts of macromolecule emulsions, poly-vinyl alcohol solution or Pioloform, polyvinyl acetal.
6. triamine plate according to claim 5, is characterized in that: described Pioloform, polyvinyl acetal is the one in polyvinyl formal, polyvinyl acetal, polyvinyl alcohol contracting propionic aldehyde, polyvinyl butyral resin.
7. triamine plate according to claim 4, is characterized in that: described pH value is that the acidic materials of 5≤pH value < 7 are acidulous material: be the one in ammonium chloride, ammonium sulfate, citric acid or other faintly acid salt or weak acid.
8. a preparation method for triamine plate as claimed in claim 4, is characterized in that: by after raw material plate hot pressing, gets putty and fills up raw material plate sanding, and stand-by; Then continue with putty, the one side of filling up the raw material plate after sanding to be scraped one time, after 12～48h, then to this facing sand light one time; Afterwards, after the same method the another side of raw material plate is scraped one time with putty, and then to this facing sand one time, pasted melamine paper after displaying 1～3d.
9. preparation method according to claim 8, is characterized in that: described with putty be that above scraping at least one times carried out on raw material plate plate two sides after using putty to hot pressing by filling up raw material plate after sanding, and to raw material plate above sanding at least one times.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838330A (en) * | 2018-08-01 | 2018-11-20 | 安徽信息工程学院 | A kind of method for repairing and mending of evaporative pattern |
| CN110587731A (en) * | 2019-09-30 | 2019-12-20 | 广州市众益装饰材料有限公司 | Preparation process of veneer |
| CN114986626A (en) * | 2022-06-23 | 2022-09-02 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer and preparation method thereof |
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| CN202378125U (en) * | 2011-12-19 | 2012-08-15 | 江苏省产品质量监督检验研究院 | Finger joint board reinforced by impregnated paper veneer |
| CN102702825A (en) * | 2012-06-12 | 2012-10-03 | 海安县国力化工有限公司 | High-intensity waterproof putty powder |
| CN103725076A (en) * | 2013-12-18 | 2014-04-16 | 江苏富邦纺织有限公司 | High-strength water proofing putty powder |
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| CN102463611A (en) * | 2010-11-12 | 2012-05-23 | 上海荷雨木业有限公司 | Preparation method of tripolycyanamide veneer cover wood-based panel |
| CN102225560A (en) * | 2011-04-22 | 2011-10-26 | 上海荷雨木业有限公司 | Method for manufacturing paint-free moisture-proof board |
| CN202378125U (en) * | 2011-12-19 | 2012-08-15 | 江苏省产品质量监督检验研究院 | Finger joint board reinforced by impregnated paper veneer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108838330A (en) * | 2018-08-01 | 2018-11-20 | 安徽信息工程学院 | A kind of method for repairing and mending of evaporative pattern |
| CN110587731A (en) * | 2019-09-30 | 2019-12-20 | 广州市众益装饰材料有限公司 | Preparation process of veneer |
| CN114986626A (en) * | 2022-06-23 | 2022-09-02 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer and preparation method thereof |
| CN114986626B (en) * | 2022-06-23 | 2023-08-11 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer board and preparation method thereof |
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