CN110015905A - A kind of decorated gypsum board and preparation method thereof except formaldehyde - Google Patents
A kind of decorated gypsum board and preparation method thereof except formaldehyde Download PDFInfo
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- CN110015905A CN110015905A CN201810015007.9A CN201810015007A CN110015905A CN 110015905 A CN110015905 A CN 110015905A CN 201810015007 A CN201810015007 A CN 201810015007A CN 110015905 A CN110015905 A CN 110015905A
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- formaldehyde
- plasterboard
- gypsum board
- decorated gypsum
- polypeptide
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention provides a kind of decorated gypsum board and preparation method thereof except formaldehyde, plasterboard substrate and the aqueous coating coated in the plasterboard substrate surface；The plasterboard substrate includes following components: gesso, polypeptide, macromolecule amine, phosphate, polyvinyl acetate, foaming agent and water；The aqueous coating includes water paint, and the water paint includes modified kaolin and tea polyphenols.The plasterboard can effectively capture indoor formaldehyde, be decomposed；To be effectively reduced indoor formaldehyde concentration, and net aldehyde effect can be kept for a long time.Meanwhile the plasterboard has good humidity conditioning function.
Description
Technical field
The present invention relates to the field of building materials, and in particular to a kind of decorated gypsum board and preparation method thereof except formaldehyde.
Background technique
Attention with people to environmental protection, health, it is more and more to functional plasterboard demand.It is adjusted it is required that plasterboard has
Save the functions such as indoor humidity, net aldehyde.Either finishing material or upholstery etc. may all have the release of formaldehyde.Formaldehyde is
As one of the major pollutants in China's finishing.Formaldehyde harm to the human body most serious, incubation period longest are referred to as " indoor dirty
Contaminate the first killer "；Formaldehyde is the main reason for causing newborn teratogenesis, leukemia of children, teenager's memory and intelligence to decline,
" carcinogenic and teratogenesis substance " is determined as by WHO (World Health Organization).Long Term Contact low dosage formaldehyde can cause in chronic
Poison causes the diseases such as respiratory system, nervous system, reproductive system.Therefore formaldehyde is that cannot be neglected to the harm of the mankind.Due to
The Form aldehyde release period is 3-15, so the plasterboard except formaldehyde needs to achieve the effect that permanently effective removal formaldehyde.
In the existing plasterboard except formaldehyde, adsorbent is only relied on, simultaneously unstable, the physical absorption of the absorption for formaldehyde
Apparent specific aim is not present in effect, and many components can all generate competitive Adsorption effect with formaldehyde in room air, exists simultaneously
The problem of adsorption saturation.Adsorb insecure so that formaldehyde is also possible to be released, effect is difficult to ensure.And lead in plasterboard
Addition photocatalyst degradation of formaldehyde is crossed, it is more to external condition requirement, ultraviolet light or excited by visible light catalytic activity are such as needed,
And usually require to carry out facing processing when plasterboard application, limit the progress of light-catalyzed reaction；Also have to indoor humidity simultaneously
It is required that；Therefore, in practical applications, net aldehyde effect is also difficult to ensure.
A kind of indoor decorating and refurnishing materials of the plasterboard as green, can also adjust humidity, increase the comfort level of shelter.
Decorated gypsum board is not required to carry out facing processing again, can directly be applied.Net aldehyde plasterboard, can it is long-term, effectively to room
Interior formaldehyde is eliminated, therefore net aldehyde decorated gypsum board can provide health, comfortable, beautiful living environment for people.
Summary of the invention
The present invention is intended to provide a kind of decorated gypsum board except formaldehyde, by the net aldehyde for adding certain content in formula
The components such as agent, phosphate allow plasterboard first effectively in trap chamber in conjunction with the modified kaolin added in water paint
Aldehyde is decomposed；To be effectively reduced indoor formaldehyde concentration, and net aldehyde effect can be kept for a long time.Meanwhile the plasterboard has
There are good humidity conditioning function and excellent mechanical property.
It is of the invention except the decorated gypsum board of formaldehyde includes plasterboard substrate and is coated in the plasterboard substrate surface
Aqueous coating；The plasterboard substrate includes following components: gesso, polypeptide, macromolecule amine, phosphate, poly-vinegar acid
Vinyl acetate, foaming agent and water；The aqueous coating includes water paint, and the water paint is added with the modification kaolinite of 1-5%
The tea polyphenols of soil and 1-3%；
The modified kaolin the preparation method comprises the following steps: 20g kaolin is mixed with equivalent tartaric acid；It burns at 550-650 DEG C
Processing 1-1.5h is burnt, it is cooling；It is placed in 250ml beaker, 100ml deionized water is added and 50ml concentration is the 16 of 20mmol/L
Alkyl trimethyl ammonium bromide solution, magnetic agitation 3-5h；It is washed with deionized water natural air drying after zeolite, is obtained described modified high
Ridge soil.
Wherein, 100 parts by weight gessoes are based on, the plasterboard substrate includes following components:
Wherein, the polypeptide is the one or more of antibacterial peptide or casein phosphopeptide；The macromolecule amine is polyene
Propyl amine, dendroid polyamide, ultrabranching polyamide it is one or more.
Wherein, the polypeptide is the composition of antibacterial peptide and casein phosphopeptide, the antibacterial peptide and the casein phosphorus
The weight ratio of sour peptide is 1:4~1:2.
Wherein, the weight ratio of the antibacterial peptide and the casein phosphopeptide is 1:3.
Wherein, including following components, the content of each component are as follows:
Wherein, including following components, the content of each component are as follows:
A kind of preparation method of the decorated gypsum board except formaldehyde provided according to another aspect of the present invention, feature
It is, comprising the following steps:
By the gesso of predetermined weight part, polypeptide, macromolecule amine, phosphate, polyvinyl acetate, mechanical stirring,
Obtain homogeneous solid powder；The foaming agent of predetermined weight part is added to the water, mixed liquor enters after being foamed by foamed system
Blender；The homogeneous solid powder is added to the blender, each raw material is sufficiently stirred through the blender is made uniform
Plasterboard substrate is made after extrusion forming, solidification, cutting, drying in slurry, the slurry；
By the plasterboard substrate surface dust removal process, roller coating water paint, the ornamental stone for removing formaldehyde is made in drying
Cream plate.
It is of the invention except the decorated gypsum board of formaldehyde includes plasterboard substrate and water coated in plasterboard substrate surface
Property coating；
Plasterboard substrate includes following components: 100 parts by weight gessoes, 0.1-5 parts by weight polypeptide, 0.01-5 parts by weight
Macromolecule amine, 0.1-1 part phosphate, 0.5-2.5 parts by weight polyvinyl acetate, 0.01-1 parts by weight of blowing agent and 70-
90 parts by weight water；Aqueous coating includes water paint, and the tea of modified kaolin and 1-3% of the water paint added with 1-5% is more
Phenol；
Modified kaolin the preparation method comprises the following steps: 20g kaolin is mixed with equivalent tartaric acid；At 550-650 DEG C at calcination
1-1.5h is managed, it is cooling；It is placed in 250ml beaker, 100ml deionized water and 50ml concentration is added as the cetyl of 20mmol/L
Trimethylammonium bromide solution, magnetic agitation 3-5h；It is washed with deionized water natural air drying after zeolite, obtains modified kaolin.
The present invention is to being modified kaolin using above method, absorption specific aim enhancing, can be in active adsorption chamber
Formaldehyde, improve adsorption efficiency；And it is greatly increased before the formaldehyde absorbing amount of modified kaolin is also unmodified.Add 1-
5% modified kaolin can play excellent formaldehyde absorbing effect, while plasterboard can be made to have good to avoid coating cracking
Good mechanical property.The tea polyphenols of cooperation addition 1-3%, increase can have with other components in water paint it is relatively good compatible
Property, while increasing the bonding with plasterboard.
Polypeptide is the one or more of antibacterial peptide or casein phosphopeptide；Macromolecule amine is polyallylamine, dendroid
Polyamide, ultrabranching polyamide it is one or more.Polypeptide selects the high antibacterial peptide and casein phosphopeptide of bioactivity, easily with
Formaldehyde reacts, thus degradation of formaldehyde.
Macromolecule amine be polyallylamine, dendroid polyamide, ultrabranching polyamide it is one or more.Macromolecule amine
Class molecular weight is big, property is active, while having good thermal stability, easily reacts with formaldehyde, while the product generated is nontoxic, steady
It is fixed.It is since its Amino End Group is more, in plasterboard that the present invention, which selects the high molecule amines such as dendroid polyamide, ultrabranching polyamide,
Relatively good net aldehyde effect can be reached in the case that additive amount is fewer.
The weight ratio of antibacterial peptide and casein phosphopeptide is 1:4~1:2；It preferably, is 1:3.It finds during the experiment,
The polypeptide of the ratio and the mixture of ultrabranching polyamide can play deferred action to gypsum, to largely protect
Slurry mobile performance when having demonstrate,proved gypsum sheet metal forming, keeps gypsum board manufacture controllability more preferable.
Phosphate and polyvinyl acetate are added in plasterboard, its purpose is to increase plasterboard and aqueous coating
Between caking property, improve plasterboard mechanical property.Meanwhile phosphate, polyvinyl acetate and amino acid and hyperbranched poly
Amide can make gypsum slurry have relatively good slurry fluidity.Foaming agent can be lauryl sodium sulfate；Water can be
Neutral general industry water or underground water.
Water paint other components and ratio use existing conventional techniques.Such as comprising: acrylate monomer, water solubility third
The components such as olefin(e) acid ester prepolymer, pigment, auxiliary agent.Acrylate monomer can be butyl acrylate, cyclohexyl acrylate, acrylic acid
Different monooctyl ester etc. it is one or more；Water-soluble acrylic ester prepolymer is soluble epoxide acrylate, aqueous polyurethane propylene
Acid esters, aqueous unsaturated polyester (UP) acrylate etc. it is one or more.
This removes the preparation method of the decorated gypsum board of formaldehyde, mainly comprises the steps that the polypeptide of predetermined weight part, height
Molecule amine, gesso, phosphate, polyvinyl acetate, mechanical stirring obtain homogeneous solid powder；By predetermined weight part
Foaming agent be added to the water, mixed liquor by foamed system foam after enter blender；Homogeneous solid powder is added to described
Obtained uniform sizing material is sufficiently stirred in blender, each agitated machine of raw material, and slurry is made after extrusion forming, solidification, cutting, drying
Plasterboard substrate；By plasterboard substrate surface dust removal process, roller coating water paint, the decorated gypsum board except formaldehyde is made in drying.
Using technical solution of the present invention except the decorated gypsum board of formaldehyde, in long-term net aldehyde, indoor humidity, mechanical property are adjusted
Energy aspect is substantially better than prior art products.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with implementation of the invention
Example, is clearly and completely described technical solution of the present invention, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.It should be noted that not rushing
In the case where prominent, the features in the embodiments and the embodiments of the present application can mutual any combination.
It is of the invention except the decorated gypsum board of formaldehyde includes plasterboard substrate and water coated in plasterboard substrate surface
Property coating；
Plasterboard substrate includes following components: the net aldehyde agent of 100 parts by weight gessoes, 1-15 parts by weight, 0.1-1 parts by weight
Phosphate, 0.5-2.5 parts by weight polyvinyl acetate, 0.01-1 parts by weight of blowing agent and 70-90 parts by weight water；Aqueous coating
Comprising water paint, the tea polyphenols of modified kaolin and 1-3% of the water paint added with 1-5%；
20g kaolin is mixed with equivalent tartaric acid；Calcination handles 1.5h at 600 DEG C, cooling；It is placed in 250ml beaker,
100ml deionized water and 50ml concentration is added as the cetyl trimethylammonium bromide solution of 20mmol/L, magnetic agitation 3-5h；
It is washed with deionized water natural air drying after zeolite, obtains modified kaolin.
Based on 100 parts by weight gessoes, the plasterboard substrate includes following components: 100 parts by weight of gesso；It is more
Peptide 0.1-5 parts by weight；Macromolecule amine 0.01-5 parts by weight；Phosphate 0.1-1 parts by weight；Polyvinyl acetate 0.5-2.5 weight
Measure part；Foaming agent 0.01-1 parts by weight；Water 70-90 parts by weight.
Polypeptide is the one or more of antibacterial peptide or casein phosphopeptide；It preferably, is antibacterial peptide and casein phosphopeptide
Composition.The weight ratio of antibacterial peptide and casein phosphopeptide is 1:4~1:2；It preferably, is 1:3；Macromolecule amine is polyene
Propyl amine, dendroid polyamide, ultrabranching polyamide it is one or more.
The specific embodiment of the decorated gypsum board each component and its content except formaldehyde is listed below.
Embodiment
By 100 parts by weight gessoes, the polypeptide of 0.1-5 parts by weight, 0.01-5 parts by weight macromolecule amine, 0.1-1
Parts by weight of phosphoric acid salt, 0.5-2.5 parts by weight polyvinyl acetate, mechanical stirring obtain homogeneous solid powder；By 0.01-1 weight
The foaming agent of part is added to the water, and mixed liquor enters blender after foaming by foamed system；Homogeneous solid powder is added to
Obtained uniform sizing material is sufficiently stirred in blender, each agitated machine of raw material, and slurry is made after extrusion forming, solidification, cutting, drying
Plasterboard substrate；By plasterboard substrate surface dust removal process, roller coating water paint, the decorated gypsum board except formaldehyde is made in drying.
Table 1 lists section Example data of the invention.It should be pointed out that 1 data of table are the experiment picked out
Partial data in journey, the embodiment of the present invention are not limited to following data.
Table 1 removes the decorated gypsum board formulation Example of formaldehyde
Test case
Test case 1
1 blank group (being not added with modified kaolin) in water paint, 2 addition kaolin groups and 3 additions are tested respectively
The formaldehyde absorbing situation of the plasterboard of modified kaolin group.In 1m3Formaldehyde is instilled in closed chamber in advance, it is dense to measure initial formaldehyde
Degree is 2mg/m3, it is respectively put into the 9.5mm thickness plasterboard that length and width are 0.5m, is detected respectively with time change, 48h in chamber
The variation of interior concentration of formaldehyde.Specific test result is shown in Table 2.
The variation of the concentration of formaldehyde of 2 blank group of table and experimental group
| Concentration of formaldehyde (mg/m3) | 12h | 24h | 48h |
| 1 | 1.92 | 1.89 | 1.86 |
| 2 | 1.90 | 1.88 | 1.84 |
| 3 | 1.65 | 1.43 | 1.20 |
It is tested by table 2 it can be seen that the 3rd group of plasterboard for being added to modified kaolin is obvious on except effect of formaldehyde
Higher than blank group and the kaolinic plasterboard of addition.
Test case 3
It is following with regard in each embodiment except the net aldehyde effect of the decorated gypsum board of formaldehyde does test analysis.In 1m3In chamber,
Formaldehyde additional amount is 3 μ L, persistently instills formaldehyde daily, is put into the 9.5mm thickness plasterboard that length and width are 0.5m, detects 1- respectively
Chamber indoor formaldehyde concentration in 10d.Specific data are as shown in table 3.Data unit is mg/m in table 33。
The net aldehyde effect of each embodiment plasterboard of table 3
| 1d | 2d | 3d | 4d | 5d | 6d | 8d | 10d | |
| Blank storehouse | 0.58 | 0.56 | 0.59 | 0.57 | 0.53 | 0.55 | 0.58 | 0.56 |
| Embodiment 1 | 0.08 | 0.07 | 0.08 | 0.09 | 0.08 | 0.08 | 0.07 | 0.09 |
| Embodiment 2 | 0.05 | 0.07 | 0.06 | 0.06 | 0.07 | 0.07 | 0.06 | 0.07 |
| Embodiment 3 | 0.02 | 0.01 | 0.02 | 0.01 | 0.02 | 0.01 | 0.02 | 0.01 |
| Embodiment 4 | 0.06 | 0.05 | 0.07 | 0.08 | 0.07 | 0.09 | 0.08 | 0.07 |
| Embodiment 5 | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.03 | 0.02 | 0.02 |
| Embodiment 6 | 0.05 | 0.05 | 0.04 | 0.08 | 0.06 | 0.09 | 0.08 | 0.09 |
| Embodiment 7 | 0.04 | 0.04 | 0.06 | 0.05 | 0.03 | 0.05 | 0.04 | 0.03 |
Can see by 3 data of table, in each embodiment except the decorated gypsum board of formaldehyde efficient for 24 hours up to 90% with
On；And with the lasting instillation of formaldehyde, except the net aldehyde effect of the decorated gypsum board of formaldehyde can be kept for a long time.It is removed in embodiment 1
The net aldehyde effect of the decorated gypsum board of formaldehyde can satisfy daily indoor net aldehyde needs.
Test case 3
Meanwhile also to of the invention except the mechanical property of the decorated gypsum board (9.5mm) of formaldehyde has carried out coherent detection.Point
The mechanical property when decorated gypsum board initial preparation completion except formaldehyde is not tested, while also to the mechanical property of net aldehyde 10d
It is tested.Initial mechanical performance data is specific as shown in table 4 (reference standard GB/T9775-2008).
The mechanical property of each embodiment plasterboard of table 4
It is above as can be seen that of the invention except the decorated gypsum board of formaldehyde not only net aldehyde excellent effect, and plasterboard
Mechanical property is much higher than national standard.
To sum up, the decorated gypsum board according to the present invention except formaldehyde by add in formula certain content polypeptide,
The modified kaolin added in the components combination water paint such as phosphate, allows the plasterboard effectively to capture indoor formaldehyde,
It is decomposed；To be effectively reduced indoor formaldehyde concentration, and net aldehyde effect can be kept for a long time, sustainable degradation of formaldehyde 30-
40 years.Meanwhile the plasterboard has good humidity conditioning function and excellent mechanical property.
Finally, it should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-
It is exclusive to include, so that the process, method, article or equipment comprising a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of decorated gypsum board except formaldehyde, which is characterized in that including plasterboard substrate and be coated in the plasterboard base
The aqueous coating of plate surface；The plasterboard substrate includes following components: gesso, polypeptide, macromolecule amine, phosphate,
Polyvinyl acetate, foaming agent and water；The aqueous coating includes water paint, and the water paint changes added with 1-5%'s
The tea polyphenols of property kaolin and 1-3%；
The modified kaolin the preparation method comprises the following steps: 20g kaolin is mixed with equivalent tartaric acid；At 550-650 DEG C at calcination
1-1.5h is managed, it is cooling；It is placed in 250ml beaker, 100ml deionized water and 50ml concentration is added as the cetyl of 20mmol/L
Trimethylammonium bromide solution, magnetic agitation 3-5h；It is washed with deionized water natural air drying after zeolite, obtains the modified kaolinite
Soil.
2. removing the decorated gypsum board of formaldehyde as described in claim 1, which is characterized in that be based on 100 parts by weight gessoes, institute
Stating plasterboard substrate includes following components:
3. removing the decorated gypsum board of formaldehyde as claimed in claim 2, which is characterized in that the polypeptide is antibacterial peptide or casein
Phosphoeptide it is one or more；The macromolecule amine is polyallylamine, one kind of dendroid polyamide, ultrabranching polyamide
Or it is a variety of.
4. removing the decorated gypsum board of formaldehyde as claimed in claim 2 or claim 3, which is characterized in that the polypeptide is antibacterial peptide and junket
The weight ratio of the composition of protein phosphatase polypeptide, the antibacterial peptide and the casein phosphopeptide is 1:4~1:2.
5. removing the decorated gypsum board of formaldehyde as claimed in claim 4, which is characterized in that the antibacterial peptide and the casein phosphorus
The weight ratio of sour peptide is 1:3.
6. removing the decorated gypsum board of formaldehyde as claimed in claim 2, which is characterized in that including following components, each component
Content are as follows:
7. removing the decorated gypsum board of formaldehyde as claimed in claim 2, which is characterized in that including following components, each component
Content are as follows:
8. such as the preparation method of the described in any item decorated gypsum boards except formaldehyde of claim 1-7, which is characterized in that including with
Lower step:
By the gesso of predetermined weight part, polypeptide, macromolecule amine, phosphate, polyvinyl acetate, mechanical stirring is obtained
Homogeneous solid powder；The foaming agent of predetermined weight part is added to the water, mixed liquor enters stirring after foaming by foamed system
Machine；The homogeneous solid powder is added to the blender, obtained uniform sizing material is sufficiently stirred through the blender in each raw material,
Plasterboard substrate is made after extrusion forming, solidification, cutting, drying in the slurry；
By the plasterboard substrate surface dust removal process, roller coating water paint, the gauge stuff for removing formaldehyde is made in drying
Plate.
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| CN201810015007.9A CN110015905B (en) | 2018-01-08 | 2018-01-08 | Decorative gypsum board for removing formaldehyde and preparation method thereof |
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| CN201810015007.9A CN110015905B (en) | 2018-01-08 | 2018-01-08 | Decorative gypsum board for removing formaldehyde and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185884A (en) * | 2021-06-22 | 2021-07-30 | 陆安怡 | Low-cost environment-friendly waterproof building coating and preparation method thereof |
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