CN107060252A - A kind of aqueous formaldehyde ecological board and its manufacture craft - Google Patents
A kind of aqueous formaldehyde ecological board and its manufacture craft Download PDFInfo
- Publication number
- CN107060252A CN107060252A CN201611184530.1A CN201611184530A CN107060252A CN 107060252 A CN107060252 A CN 107060252A CN 201611184530 A CN201611184530 A CN 201611184530A CN 107060252 A CN107060252 A CN 107060252A
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- Prior art keywords
- aqueous polyurethane
- paper
- finishing
- aqueous
- ecological board
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
Abstract
The present invention provides a kind of zero formaldehyde ecological plate and its manufacture craft, the aqueous formaldehyde ecological board, including two finishing papers, balance paper and fiberboard, two finishing papers are located at two top layers up and down respectively, be provided with alternate balance paper and fiberboard successively in the middle of two finishing papers, two finishing papers respectively with adjacent balance paper phase adhesion;The extexine of two finishing papers is provided with the first aqueous polyurethane layer, and balance paper is respectively by the second aqueous polyurethane layer and two finishing paper phase adhesions, and balance paper passes through the 3rd aqueous polyurethane layer and fiberboard phase adhesion.The present invention is using environmentally friendly aqueous polyurethane so that the Form aldehyde release of ecological board can reach below 0.1mg/L;The present invention is simplified the manufacture craft of ecological board, substantially increases production efficiency.
Description
Technical field
The present invention relates to ecological board production technology field, specifically disclose a kind of aqueous formaldehyde ecological board and its make work
Skill.
Background technology
With the continuous improvement of scientific and technological level and living standard, ecological sheet material as house decorative material, increasingly by
Numerous people is liked.Ecological board has the characteristics such as high temperature resistant, acid and alkali-resistance, humidity, fire prevention, and surface is not easy to change, peeling, and
The strong veneer of different style, texture is readily processible to, the sheet material is just applied to rapidly furniture, floor and interior since the birth
In terms of decoration.Meanwhile, the product causes the function of two kinds of sheet materials of thick china and glued board to close two and be as a kind of novel product
One, while production process is saved, value-added content of product is improved, is that consumer saves decoration cost and labour cost, just
The new trend of house ornamentation is guide, main flow plate fitment is essentially all using melamine ecological plate making in the market
Into.One layer of the top of high density fiberboard is the abrasion-proof paper of dipped melamine glue, and the second layer is not soak melamine glue
The facing paper of water, third layer is the abrasion-proof paper of dipped melamine glue, and the 4th layer is fiberboard, and layer 5 is dipped melamine
The balance paper of amine glue.The complex manufacturing technology of ecological board, cumbersome in the prior art, and used melamine glue
Water contains substantial amounts of formaldehyde, pollutes indoor environment, seriously endangers the healthy of the mankind.
The content of the invention
It is an object of the invention to overcome the defect of prior art there is provided a kind of aqueous formaldehyde ecological board and its make work
Skill, the ecological board simplifies manufacture craft, improves production efficiency, it is to avoid the environmental pollution that poly cyanamid glue is caused.
In order to realize object above and other purposes, the present invention including following technical scheme by realizing:A kind of water
Property zero formaldehyde ecological plate, including two finishing papers, balance paper and fiberboard, two finishing papers are located at upper layer respectively,
Be provided with the alternate balance paper and the fiberboard successively in the middle of two finishing papers, two finishing papers respectively with
The adjacent balance paper phase adhesion;The extexine of two finishing papers is provided with the first aqueous polyurethane layer, described flat
Paper weigh respectively by the second aqueous polyurethane layer and two finishing paper phase adhesions, the balance paper passes through the 3rd aqueous poly- ammonia
Ester layer and the fiberboard phase adhesion.
Preferably, first aqueous polyurethane layer is anion aqueous polyurethane layer.
It is highly preferred that first aqueous polyurethane layer is by high rigidity, the lard type anion aqueous polyurethane of high abrasion
Composition, its molecular weight is 30000-50000.Lard type anion aqueous polyurethane is used in technical solution of the present invention so that table
Layer has good mechanical strength, water resistance, wearability and glossiness, it is to avoid turn yellow after the illumination of top layer.
It is further preferred that the one kind of the model of the anion aqueous polyurethane in KT200, KT637, KT803
Or it is a variety of.
Preferably, second aqueous polyurethane layer is by anion aqueous polyurethane layer and cation aqueous polyurethane layer
Constitute composite bed.
Preferably, the 3rd aqueous polyurethane layer is cation aqueous polyurethane layer.
It is highly preferred that the 3rd aqueous polyurethane layer is by high rigidity, the modified cation aqueous polyurethane group of high abrasion
Into, epoxy resin modification cation aqueous polyurethane is used in technical solution of the present invention so that glued membrane has good water resistance,
Good moisture-proof role can be played.
It is highly preferred that the 3rd aqueous polyurethane layer is by epoxy and organosilicon modified cation aqueous polyurethane group simultaneously
Into.Cation aqueous polyurethane can close the tannic acid in timber in itself, using epoxy and organosilicon while modified cation
Aqueous polyurethane has a distinct increment to the water-fast and hardness of ecological board.
It is further preferred that the model KT322 of the cation aqueous polyurethane.
The present invention discloses a kind of manufacture craft of aqueous formaldehyde ecological board, comprises the following steps:
1) finishing paper is impregnated in anion aqueous polyurethane, using scraper by described the moon unnecessary on the finishing paper
Ion aqueous polyurethane is wiped off, the anion aqueous polyurethane is uniformly coated on the finishing paper, is then dried;
2) balance paper is impregnated in cation aqueous polyurethane, using scraper by the sun unnecessary on the balance paper
Ion aqueous polyurethane is wiped off, the cation aqueous polyurethane resin is uniformly coated on the balance paper, is then dried
It is extremely half-dried;
3) take fiberboard to be placed in the middle of two pieces of finishing papers, then take the balance paper be respectively placed in the fiberboard and
In the middle of the finishing paper, and/or in the middle of the adjacent fiberboard, the balance paper and the finishing paper are adjusted in the fibre
The position on plate is tieed up, positioning datum is fixed, then carries out hot-press gluing, aqueous formaldehyde ecological board is made.
Preferably, the step 1) described in anion aqueous polyurethane solid content be 35-45%, viscosity is 19-
22S。
Preferably, the step 1) described in the temperature dried be 130-160 DEG C.
Preferably, the step 2) described in cation aqueous polyurethane solid content be 35-45%, viscosity is 17-
19S。
Preferably, the step 2) described in be dried to half-dried temperature for 130-160 DEG C.
Preferably, the step 3) described in hot-press gluing use speed veneering hot press, hot pressing temperature is 110-150 DEG C, heat
The pressure time is 2-4min, and hot pressing pressure is 12-15MPa.
Typically by cation aqueous polyurethane resin and anion aqueous polyurethane can not be used in mixed way, be used in mixed way
Flocculation phenomenon occurs, causes gel to break down.But the technical solution adopted by the present invention is to wait two kinds of aqueous polyurethanes to be dried to
Used after film, cation aqueous polyurethane impregnation is used using balance paper, play a part of closing timber tannic acid, finishing paper makes
Resin anion (R.A.) impregnation is used, wear-resisting, water-fast effect is played.
In summary, the present invention provides a kind of aqueous formaldehyde ecological board and its manufacture craft, beneficial effects of the present invention:
The present invention includes finishing paper, balance paper and fiberboard, and whole ecological board is to be symmetrical arranged, then through HTHP pressure
System is formed, and effectively improves the defects such as yielding ecological board, warpage and cracking, has ensured that the size of ecological board is steady in structure
It is qualitative;The first aqueous polyurethane layer that the present invention is constituted using anion aqueous polyurethane replaces abrasion-proof paper of the prior art,
Good water-fast, wear-resisting, high rigidity, the effect of glossiness are played, the present invention replaces original using cation aqueous polyurethane
Melamine glue, can play a part of high rigidity, high intensity, moreover it is possible to avoid environmental pollution, reduce wound of the formaldehyde to human body
Evil;The present invention is using environmentally friendly aqueous polyurethane so that the Form aldehyde release of ecological board can reach below 0.1mg/L, Yuan Chao states
Mark E0 grades of 0.5mg/L standard.Further the present invention is simplified the manufacture craft of ecological board, substantially increases production effect
Rate.
Brief description of the drawings
Fig. 1 is shown as the present invention in the ecological plate structure schematic diagram of aqueous formaldehyde of embodiment 1.
Fig. 2 is shown as the present invention in the ecological plate structure schematic diagram of aqueous formaldehyde of embodiment 2.
In figure, 1, finishing paper 2, balance paper 3, fiberboard.
Embodiment
The present invention is expanded on further with reference to embodiment.It should be understood that embodiment is merely to illustrate the present invention, and it is unrestricted
The scope of the present invention.
Embodiment 1
As shown in figure 1, a kind of aqueous formaldehyde ecological board, including the finishing paper of adhesion, balance paper, fiberboard, flat successively
Weigh paper and finishing paper, and the extexine of two finishing papers is provided with the first aqueous polyurethane layer, and balance paper passes through the second water respectively
Property layer of polyurethane and two finishing paper phase adhesions, balance paper pass through the 3rd aqueous polyurethane layer and fiberboard phase adhesion.
Wherein, the first aqueous polyurethane layer is made up of model KT200 anion aqueous polyurethane.Second aqueous polyurethane
Layer is to constitute composite bed by model KT200 anion aqueous polyurethanes layer and model KT322 cation aqueous polyurethane layer, the
Three aqueous polyurethane layers are made up of model KT322 cation aqueous polyurethane.
The manufacture craft of the aqueous formaldehyde ecological board, comprises the following steps:
1) finishing paper is impregnated in solid content for 35%, during viscosity is 20S, model KT200 anion aqueous polyurethane,
Anion aqueous polyurethane unnecessary on finishing paper is wiped off using scraper, model anion aqueous polyurethane is equably coated with
On finishing paper, the then heating, drying under the conditions of 140 DEG C;
2) it is during 35%, viscosity is 18S, model KT322 cation aqueous polyurethanes, to make balance paper to be impregnated in into solid content
Cation aqueous polyurethane unnecessary on balance paper is wiped off with scraper, cation aqueous polyurethane resin is uniformly coated on
On balance paper, then under the conditions of 140 DEG C heating be dried to it is half-dried;
3) take fiberboard to be placed in the middle of two pieces of finishing papers, then take balance paper to be respectively placed in the middle of fiberboard and finishing paper,
The position of balance paper and finishing paper on fiberboard is adjusted, positioning datum is fixed, is then entered using 900 tons of speed veneering hot press
Row hot-press gluing, hot pressing temperature is 125 DEG C, and hot pressing time is 3min, and hot pressing pressure is 12MPa, aqueous formaldehyde is made ecological
Plate.
Embodiment 2
As shown in Fig. 2 a kind of aqueous formaldehyde ecological board, including the finishing paper of adhesion, balance paper, fiberboard, flat successively
Weigh paper, fiberboard, balance paper and finishing paper, and the extexine of two finishing papers is provided with the first aqueous polyurethane layer, balance paper
Respectively by the second aqueous polyurethane layer and two finishing paper phase adhesions, balance paper passes through the 3rd aqueous polyurethane layer and fiberboard
Phase adhesion.
Wherein, the first aqueous polyurethane layer is made up of model KT637 anion aqueous polyurethane.Second aqueous polyurethane
Layer is to constitute composite bed, the 3rd water by the cation aqueous polyurethane of model KT637 anion aqueous polyurethanes and model KT322
Property layer of polyurethane by model KT322 cation aqueous polyurethane layer.
The manufacture craft of the aqueous formaldehyde ecological board, comprises the following steps:
1) finishing paper is impregnated in solid content for 35%, during viscosity is 20S, model KT637 anion aqueous polyurethane,
Anion aqueous polyurethane unnecessary on finishing paper is wiped off using scraper, model anion aqueous polyurethane is equably coated with
On finishing paper, the then heating, drying under the conditions of 130 DEG C;
2) it is during 35%, viscosity is 18S, model KT322 cation aqueous polyurethanes, to make balance paper to be impregnated in into solid content
Cation aqueous polyurethane unnecessary on balance paper is wiped off with scraper, cation aqueous polyurethane resin is uniformly coated on
On balance paper, then under the conditions of 130 DEG C heating be dried to it is half-dried;
3) take fiberboard to be placed in the middle of two pieces of finishing papers, then take balance paper to be respectively placed in the middle of fiberboard and finishing paper,
The position of balance paper and finishing paper on fiberboard is adjusted, positioning datum is fixed, is then entered using 900 tons of speed veneering hot press
Row hot-press gluing, hot pressing temperature is 125 DEG C, and hot pressing time is 3min, and hot pressing pressure is 13MPa, aqueous formaldehyde is made ecological
Plate.
In summary, the present invention replaces original melamine glue using cation aqueous polyurethane, can play height
The effect of hardness, high intensity, moreover it is possible to avoid environmental pollution, reduces injury of the formaldehyde to human body;The present invention is aqueous using environmental protection
Polyurethane so that the Form aldehyde release of ecological board can reach below 0.1mg/L, remote super national standard E0 grades of 0.5mg/L standard;This hair
It is bright to be simplified the manufacture craft of ecological board, substantially increase production efficiency.So, the present invention effectively overcomes prior art
In various shortcoming and have high industrial utilization.
It is described above, only presently preferred embodiments of the present invention, it is not any to the present invention in form and substantial limitation,
It should be pointed out that for those skilled in the art, on the premise of the inventive method is not departed from, can also make
Some improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention;Meanwhile, all substantial technologicals pair according to the present invention
The variation, modification and evolution for any equivalent variations that above-described embodiment is made, still fall within the scope of technical scheme
It is interior.
Claims (10)
1. a kind of aqueous formaldehyde ecological board, it is characterised in that including two finishing papers, balance paper and fiberboard, described in two
Finishing paper is located in the middle of two top layers up and down, two finishing papers respectively is provided with the alternate balance paper successively and described
Fiberboard, two finishing papers respectively with the adjacent balance paper phase adhesion;The extexine of two finishing papers is all provided with
The first aqueous polyurethane layer is equipped with, the balance paper is mutually glued by the second aqueous polyurethane layer with two finishing papers respectively
Even, the balance paper passes through the 3rd aqueous polyurethane layer and the fiberboard phase adhesion.
2. aqueous formaldehyde ecological board as claimed in claim 1, it is characterised in that first aqueous polyurethane layer for it is cloudy from
Sub- aqueous polyurethane layer.
3. aqueous formaldehyde ecological board as claimed in claim 1, it is characterised in that second aqueous polyurethane layer is by the moon
Ion aqueous polyurethane layer and cation aqueous polyurethane layer composition composite bed.
4. aqueous formaldehyde ecological board as claimed in claim 1, it is characterised in that the 3rd aqueous polyurethane layer for sun from
Sub- aqueous polyurethane layer.
5. a kind of manufacture craft of aqueous formaldehyde ecological board, it is characterised in that comprise the following steps:
1) finishing paper is impregnated in anion aqueous polyurethane, using scraper by the anion unnecessary on the finishing paper
Aqueous polyurethane is wiped off, the anion aqueous polyurethane is uniformly coated on the finishing paper, is then dried;
2) balance paper is impregnated in cation aqueous polyurethane, using scraper by the cation unnecessary on the balance paper
Aqueous polyurethane is wiped off, the cation aqueous polyurethane resin is uniformly coated on the balance paper, is then dried to half
It is dry;
3) take fiberboard to be placed in the middle of two pieces of finishing papers, then take the balance paper to be respectively placed in the fiberboard and described
In the middle of finishing paper, and/or in the middle of the adjacent fiberboard, the balance paper and the finishing paper are adjusted in the fiberboard
On position, fix positioning datum, then carry out hot-press gluing, aqueous formaldehyde ecological board is made.
6. the manufacture craft of aqueous formaldehyde ecological board as claimed in claim 5, it is characterised in that the step 1) described in
The solid content of anion aqueous polyurethane is 35-45%, and viscosity is 19-22S.
7. the manufacture craft of aqueous formaldehyde ecological board as claimed in claim 5, it is characterised in that the step 1) described in
The temperature of drying is 130-160 DEG C.
8. the manufacture craft of aqueous formaldehyde ecological board as claimed in claim 5, it is characterised in that the step 2) described in
The solid content of cation aqueous polyurethane is 35-45%, and viscosity is 17-19S.
9. the manufacture craft of aqueous formaldehyde ecological board as claimed in claim 5, it is characterised in that the step 2) described in
Half-dried temperature is dried to for 130-160 DEG C.
10. the manufacture craft of aqueous formaldehyde ecological board as claimed in claim 5, it is characterised in that the step 3) in institute
State hot-press gluing and use speed veneering hot press, hot pressing temperature is 110-150 DEG C, and hot pressing time is 2-4min, and hot pressing pressure is 12-
15MPa。
Priority Applications (1)
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CN201611184530.1A CN107060252B (en) | 2016-12-20 | 2016-12-20 | Water-based zero-formaldehyde ecological plate and manufacturing process thereof |
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CN201611184530.1A CN107060252B (en) | 2016-12-20 | 2016-12-20 | Water-based zero-formaldehyde ecological plate and manufacturing process thereof |
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CN107060252B CN107060252B (en) | 2020-05-01 |
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Cited By (3)
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CN109203121A (en) * | 2018-09-18 | 2019-01-15 | 德华兔宝宝装饰新材股份有限公司 | A kind of environment-friendlyhousehold household plate and its manufacturing method |
CN110293725A (en) * | 2018-03-22 | 2019-10-01 | 汪良 | A kind of composite board and preparation method thereof |
CN113618856A (en) * | 2021-08-18 | 2021-11-09 | 江苏华缘高科股份有限公司 | Negative ion moisture-proof ecological plate and preparation method and application thereof |
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