CN109958224A - A kind of net aldehyde Thistle board and preparation method thereof - Google Patents
A kind of net aldehyde Thistle board and preparation method thereof Download PDFInfo
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- CN109958224A CN109958224A CN201711335752.3A CN201711335752A CN109958224A CN 109958224 A CN109958224 A CN 109958224A CN 201711335752 A CN201711335752 A CN 201711335752A CN 109958224 A CN109958224 A CN 109958224A
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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
- 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
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0078—Sorbent materials
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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
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
- Medicines Containing Plant Substances (AREA)
- Medicinal Preparation (AREA)
Abstract
The present invention provides a kind of net aldehyde Thistle board and preparation method thereof, which includes the plasterboard between two layers of mask paper and two layers of mask paper；The plasterboard includes following components: 100 parts by weight of gesso；Net aldehyde agent 1-20 parts by weight；Modified starch 0.02-1 parts by weight；Foaming agent 0.01-1 parts by weight；Water 70-90 parts by weight.By adding the net aldehyde agent of certain content in formula, collocation redispersible rubber powder, linoleic acid are applied in gypsum slurry, are allowed and quick plasterboard obtained, effective formaldehyde adsorption and are degraded；And net aldehyde effect can be kept for a long time；Meanwhile the net aldehyde Thistle board also has excellent mechanical property, and during long-term net aldehyde, mechanical property is unaffected.
Description
Technical field
The present invention relates to the field of building materials, and in particular to a kind of net aldehyde Thistle board and preparation method thereof.
Background technique
Attention with people to environmental protection, health, it is more and more to functional plasterboard demand.Either finishing material is also
It is the release that upholstery etc. may all have formaldehyde.Formaldehyde has become one of the major pollutants in China's finishing.Formaldehyde pair
Human body endangers most serious, incubation period longest, referred to as " the first killer of indoor pollution "；Formaldehyde is to lead to newborn teratogenesis, children
The main reason for leukaemia, teenager's memory and intelligence decline, is determined as " carcinogenic and teratogenesis by WHO (World Health Organization)
Property substance ".Long Term Contact low dosage formaldehyde can cause slow poisoning, cause the diseases such as respiratory system, nervous system, reproductive system
Disease.Therefore formaldehyde is that cannot be neglected to the harm of the mankind.Since the Form aldehyde release period is 3-15, so removing the gypsum of formaldehyde
Plate 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, such as need ultraviolet light to excite catalytic activity, while to room
Interior humidity also requires；Therefore, in practical applications, net aldehyde effect is also difficult to ensure.
It is therefore desirable to have a kind of net aldehyde Thistle board long-term, effectively can eliminate indoor formaldehyde, meanwhile,
The mechanical property of plasterboard itself is not affected.
Summary of the invention
The present invention is intended to provide a kind of net aldehyde Thistle board is matched by adding the net aldehyde agent of specific composition in formula
Predetermined substance is closed to be applied in gypsum slurry；Allow plasterboard obtained effectively to capture indoor formaldehyde, it is carried out effectively
Absorption, and PARA FORMALDEHYDE PRILLS(91,95) is decomposed；To be effectively reduced indoor formaldehyde concentration, and net aldehyde effect can be kept for a long time；Together
When, which also has excellent mechanical property.
Net aldehyde Thistle board of the invention, including the plasterboard between two layers of mask paper and two layers of mask paper；Institute
Stating plasterboard includes following components: 100 parts by weight of gesso；Net aldehyde agent 1-20 parts by weight；Modified starch 0.02-1 parts by weight；
Foaming agent 0.01-1 parts by weight；Water 70-90 parts by weight；
Wherein, the net aldehyde agent is made by following methods: a certain amount of silica white being dissolved in ethyl acetate, whipping process
Middle addition macromolecule amine, seawood meal, then stir 0.5-1h, ethyl acetate are spin-dried for, it is spare to obtain solid powder；It takes a certain amount of
Natural plant gum be dissolved in the water, be added the solid powder, antibacterial peptide in whipping process, stir 10-20min；Freeze-drying, system
Obtain the net aldehyde agent.
Wherein, the net aldehyde agent needs cooperation that redispersible rubber powder and linoleic acid is added when in use.
Wherein, the content of the redispersible rubber powder is 0.3-10 parts by weight, and the linoleic content is 0.001-
0.2 parts by weight.
Wherein, the net aldehyde agent is made by following methods: 100-150 parts by weight silica white is dissolved in 150-250mL second
In acetoacetic ester, 160-200 parts by weight macromolecule amine, 200-240 parts by weight seawood meal are added in whipping process, then stirs
Ethyl acetate is spin-dried for by 0.5-1h, and it is spare to obtain solid powder；20-40 parts by weight natural plant gum is taken to be dissolved in 200-300 parts by weight water
In, the solid powder, 300-400 parts by weight antibacterial peptide are added in whipping process, stirs 10-20min；Freeze-drying is made
The net aldehyde agent.
Wherein, the antibacterial peptide be Antimicrobial Peptides From Plants, Antibacterial Peptide From Animals, microbial antibacterial peptide it is one or more；
Wherein, the macromolecule amine be amine terminated polyether, polyallylamine, dendroid polyamide it is one or more.
Wherein, the plasterboard further includes following components:
Reinforcing agent 0-1 parts by weight；
Water-reducing agent 0-2.5 parts by weight.
Wherein, including following components, the parts by weight of each component are
Wherein, including following components, the parts by weight of each component are
The preparation method of net aldehyde Thistle board according to another aspect of the present invention, comprising the following steps: will make a reservation for
Gesso, reinforcing agent, water-reducing agent and the modified starch of parts by weight, mechanical stirring obtain homogeneous solid powder, are added to and stir
Mix machine；The foaming agent of predetermined weight part is added to the water, mixed liquor enters blender after foaming by foamed system；By net aldehyde
Agent is dissolved in the water, and redispersible rubber powder, linoleic acid stirring 10-20min is added, is added to blender；Described in each raw material warp
Obtained uniform sizing material is sufficiently stirred in blender, is continuously cast between two layers of mask paper, plasterboard is made through extrusion forming
Wet plate；The net aldehyde Thistle board is made behind side through solidification, cutting, drying, saw in the plasterboard wet plate.
Net aldehyde Thistle board of the invention includes the plasterboard between two layers of mask paper and two layers of mask paper；Plasterboard packet
Include following components: 100 parts by weight of gesso；Net aldehyde agent 1-20 parts by weight；Modified starch 0.02-1 parts by weight；Foaming agent
0.01-1 parts by weight；Water 70-90 parts by weight；
Net aldehyde agent is made by following methods: a certain amount of silica white being dissolved in ethyl acetate, is added in whipping process high
Molecule amine, seawood meal, then stir 0.5-1h, and ethyl acetate is spin-dried for, and it is spare to obtain solid powder；Take a certain amount of natural plant gum
It is dissolved in a small amount of water, the solid powder, antibacterial peptide is added in whipping process, stir 10-20min；Freeze-drying.Net aldehyde agent
It needs to be dissolved in the water in advance when in use, the redispersible rubber powder and 0.001-0.2 parts by weight of 0.3-10 parts by weight is added
Linoleic acid stirs 10-20min.
In net aldehyde Thistle board, the substance that can be reacted with formaldehyde is in directly applying to gypsum slurry or land plaster
When, often net aldehyde effect will be greatly reduced；The present invention by by silica white and macromolecule amine, seawood meal in advance in ethyl acetate
In be stirred, silica white and macromolecule amine after processing, seawood meal solid powder form formaldehyde absorbing and degrade unit.It will plant
Object glue is dissolved in a small amount of water, is freeze-dried after solid powder and antibacterial peptide stirring is added, net aldehyde agent is made.Net aldehyde agent is many
A net aldehyde unit.
Net aldehyde agent is applied in plasterboard, while also needing that addition redispersible rubber powder, linoleic acid is cooperated to use；It will
Net aldehyde agent is soluble in water, is then added in gypsum slurry after redispersible rubber powder, linoleic acid stirring is added, can make net aldehyde list
Member is not dispersed, and formaldehyde is degraded after being adsorbed；Small net aldehyde unit can also be homogeneously dispersed in calcium plaster one by one simultaneously
In material, guarantee net aldehyde uniform in effect.
Antibacterial peptide has relatively high bioactivity and thermal stability, can be Antimicrobial Peptides From Plants, Antibacterial Peptide From Animals, micro-
Biologic antibiotic peptide it is one or more.Macromolecule amine molecule amount is big, property is active, while having good thermal stability, with
The product that formaldehyde reaction generates is nontoxic, stablizes.The present invention select amine terminated polyether, polyallylamine, dendroid polyamide one
Kind is a variety of.
It finds during the experiment, a certain amount of net aldehyde agent, redispersible rubber powder, linoleic acid is added, either in net aldehyde
Effect is still superior to the effect being respectively used alone in plasterboard mechanical property.It is the discovery that since it can play gypsum
Deferred action, so that slurry mobile performance when largely ensure that gypsum sheet metal forming, makes gypsum board manufacture controllability more
It is good.Also, it further probes into during the experiment, has obtained net aldehyde effect and mechanical property can achieve optimal effectiveness
Net aldehyde agent and redispersible rubber powder, linoleic concrete component and ratio.
In addition, the net aldehyde Thistle board further includes following components, reinforcing agent 0-1 parts by weight, water-reducing agent 0-2.5 weight
Part.Reinforcing agent, water-reducing agent, modified starch, foaming agent in the present invention are that this field is routinely used.For example, reinforcing agent is
Polymer fiber or mineral fibres；Water-reducing agent is naphthalene water reducer, and foaming agent can be lauryl sodium sulfate；During water can be
Property ordinary tap water or underground water.
Modified starch is native starch by appropriate chemical treatment, and introducing certain chemical groups makes molecular structure and physics and chemistry
Matter changes, and generates starch derivatives.It migrates after modified starch gelatinization to mask paper and gypsum board interface, makes mask paper and stone
Cream plate is firmly bonded together.The modified starch that the present invention uses is modified corn starch or cassava modified starch, gelatinization temperature
70-75 DEG C, alkaline fluidity 14-20 seconds of degree.
The present invention correspondingly studies the content of each component, and each component using parts by weight of the present invention is added to
The net aldehyde Thistle board gone out produced in the gesso of 100 parts by weight is superior to existing in terms of vertical/horizontal
There is the gypsum sheet material of technology.
The preparation method of the net aldehyde Thistle board mainly comprises the steps that the gesso of predetermined weight part, increases
Strong agent, water-reducing agent and modified starch, mechanical stirring, obtain homogeneous solid powder, are added to blender；By predetermined weight part
Foaming agent is added to the water, and mixed liquor enters blender after foaming by foamed system；Net aldehyde agent is dissolved in the water, addition can
Redispersibility rubber powder, linoleic acid stir 10-20min, are added to blender；Each agitated machine of raw material is sufficiently stirred to be made and be homogenized
Material, is continuously cast between two layers of mask paper, plasterboard wet plate is made through extrusion forming；Plasterboard wet plate is through solidification, cutting, dry
Net aldehyde Thistle board is made behind side in dry, saw.
Using the net aldehyde Thistle board of technical solution of the present invention, it is substantially better than in terms of long-term net aldehyde, mechanical property existing
There are technical 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.
Net aldehyde Thistle board of the invention includes the plasterboard between two layers of mask paper and two layers of mask paper；Plasterboard packet
Include following components: 100 parts by weight of gesso；Net aldehyde agent 1-20 parts by weight；Modified starch 0.02-1 parts by weight；Foaming agent
0.01-1 parts by weight；Water 70-90 parts by weight；
100-150 parts by weight silica white is dissolved in 150-250mL ethyl acetate, 160-200 is added in whipping process
Parts by weight macromolecule amine, 200-240 parts by weight seawood meal, then stir 0.5-1h, ethyl acetate are spin-dried for, obtain solid powder
It is spare；It takes 20-40 parts by weight natural plant gum to be dissolved in a small amount of water, it is anti-that solid powder, 300-400 parts by weight is added in whipping process
Bacterium peptide stirs 10-20min；Freeze-drying, is made net aldehyde agent.
Net aldehyde agent needs cooperation redispersible rubber powder, linoleic acid to use when in use；The content of redispersible rubber powder is
0.3-10 parts by weight, linoleic content are 0.001-0.2 parts by weight.
Antibacterial peptide be Antimicrobial Peptides From Plants, Antibacterial Peptide From Animals, microbial antibacterial peptide it is one or more；Macromolecule amine is end
Amino-polyether, polyallylamine, dendroid polyamide it is one or more.
The specific embodiment of net aldehyde Thistle board each component and its content is listed below.
Embodiment
By the gesso of 100 parts by weight, the reinforcing agent of 0-1 parts by weight, 0-2.5 parts by weight water-reducing agent and 0.02-1
The modified starch of parts by weight, mechanical stirring obtain homogeneous solid powder, are added to blender；By the foaming of 0.01-1 parts by weight
Agent is added to the water, and mixed liquor enters blender after foaming by foamed system；The net aldehyde agent of 1-20 parts by weight is dissolved in the water,
0.3-10 parts by weight redispersible rubber powder, 0.001-0.2 parts by weight linoleic acid stirring 10-20min is added, is added to stirring
Machine；Obtained uniform sizing material is sufficiently stirred in each agitated machine of raw material, is continuously cast between two layers of mask paper, is made through extrusion forming
Plasterboard wet plate；Net aldehyde Thistle board is made behind side through solidification, cutting, drying, saw in plasterboard wet plate.
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.
The net aldehyde Thistle board formulation Example of table 1
Test case
Test case 1
The following net aldehyde effect with regard to the net aldehyde Thistle board in each embodiment 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, is detected in 1-10d respectively
Chamber indoor formaldehyde concentration.Specific data are as shown in table 2.Data unit is mg/m in table 23。
The net aldehyde effect of each embodiment plasterboard of table 2
| 1d | 2d | 3d | 4d | 6d | 8d | 10d | |
| Blank storehouse | 0.58 | 0.56 | 0.59 | 0.57 | 0.53 | 0.55 | 0.58 |
| Embodiment 1 | 0.08 | 0.07 | 0.08 | 0.09 | 0.08 | 0.08 | 0.07 |
| Embodiment 2 | 0.05 | 0.07 | 0.06 | 0.06 | 0.07 | 0.07 | 0.06 |
| Embodiment 3 | 0.02 | 0.01 | 0.02 | 0.01 | 0.02 | 0.01 | 0.02 |
| Embodiment 4 | 0.06 | 0.05 | 0.07 | 0.08 | 0.07 | 0.09 | 0.08 |
| Embodiment 5 | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.03 | 0.02 |
| Embodiment 6 | 0.05 | 0.05 | 0.04 | 0.08 | 0.06 | 0.09 | 0.08 |
| Embodiment 7 | 0.04 | 0.04 | 0.06 | 0.05 | 0.03 | 0.05 | 0.04 |
It can see by 2 data of table, the net aldehyde Thistle board in each embodiment can absorb rapidly degradation room in 1d
Interior formaldehyde, efficient for 24 hours up to 90% or more, preferred embodiment is up to 96% or more；；And with the lasting drop of formaldehyde
Enter, the net net aldehyde effect of aldehyde Thistle board can be kept for a long time.
Test case 2
Meanwhile coherent detection also is carried out to the mechanical property of net aldehyde Thistle board (9.5mm) of the invention.It surveys respectively
Mechanical property when net aldehyde Thistle board initial preparation is completed has been tried, while also the mechanical property of net aldehyde 10d has been surveyed
Examination.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 3
As can be seen that with each components contents such as net aldehyde agent increase, the mechanical property of net aldehyde Thistle board under
It drops (embodiment 6 and 7)；Although the net aldehyde Thistle board of embodiment 1 can satisfy net aldehyde needs, but its mechanical property wants low
In the net aldehyde Thistle board of embodiment 2-5, this is alternatively bright, the net aldehyde agent of certain content range, redispersible rubber powder,
Deferred action of the linoleic acid to gypsum, to improve the mechanical property of net aldehyde Thistle board；And the collaboration of the net aldehyde of each component
Effect is best.Comprehensively consider the factors such as mechanical property, production cost and net aldehyde effect, embodiment 3 and 5 is optimal case.
Using the net aldehyde Thistle board of inventive formulation component, every excellent in mechanical performance, hence it is evident that be higher than the prior art
Net aldehyde Thistle board.Meanwhile by being found to net aldehyde 10d contrast test, after net aldehyde for a long time, net aldehyde Thistle board
Mechanical property it is unaffected.
To sum up, net aldehyde Thistle board according to the present invention passes through the net aldehyde agent for adding certain content in formula, takes
It is applied in gypsum slurry with redispersible rubber powder, linoleic acid, plasterboard obtained is allowed effectively to capture indoor formaldehyde,
Quick, effective absorption is carried out to it and is degraded, to be effectively reduced indoor formaldehyde concentration；And net aldehyde effect can be long-term
It keeps, sustainable degradation of formaldehyde 30-40；Meanwhile the net aldehyde Thistle board also has excellent mechanical property, and long-term
Net aldehyde during, mechanical property is unaffected.
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 (10)
1. a kind of net aldehyde Thistle board, which is characterized in that including the gypsum between two layers of mask paper and two layers of mask paper
Plate；The plasterboard includes following components: 100 parts by weight of gesso；Net aldehyde agent 1-20 parts by weight；Modified starch 0.02-1 weight
Measure part；Foaming agent 0.01-1 parts by weight；Water 70-90 parts by weight；
Wherein, the net aldehyde agent is made by following methods: a certain amount of silica white being dissolved in ethyl acetate, is added in whipping process
Enter macromolecule amine, seawood meal, then stir 0.5-1h, ethyl acetate is spin-dried for, it is spare to obtain solid powder；Take a certain amount of plant
Object glue is dissolved in the water, and the solid powder, antibacterial peptide are added in whipping process, stirs 10-20min；Institute is made in freeze-drying
State net aldehyde agent.
2. net aldehyde Thistle board as described in claim 1, which is characterized in that the net aldehyde agent needs cooperation to be added when in use
Redispersible rubber powder and linoleic acid.
3. aldehyde Thistle board as claimed in claim 2 net, which is characterized in that the content of the redispersible rubber powder is
0.3-10 parts by weight, the linoleic content are 0.001-0.2 parts by weight.
4. net aldehyde Thistle board as described in claim 1, which is characterized in that the net aldehyde agent is made by following methods:
100-150 parts by weight silica white is dissolved in 150-250mL ethyl acetate, 160-200 weight is added in whipping process
Part macromolecule amine, 200-240 parts by weight seawood meal, then stir 0.5-1h, ethyl acetate are spin-dried for, it is standby to obtain solid powder
With；It takes 20-40 parts by weight natural plant gum to be dissolved in 200-300 parts by weight water, the solid powder, 300- is added in whipping process
400 parts by weight antibacterial peptides stir 10-20min；Freeze-drying, is made the net aldehyde agent.
5. net aldehyde Thistle board as described in claim 1, which is characterized in that the antibacterial peptide is Antimicrobial Peptides From Plants, animal
Antibacterial peptide, microbial antibacterial peptide it is one or more；
6. aldehyde Thistle board as described in claim 1 net, which is characterized in that the macromolecule amine be amine terminated polyether,
Polyallylamine, dendroid polyamide it is one or more.
7. net aldehyde Thistle board as described in claim 1, which is characterized in that the plasterboard further includes following components:
Reinforcing agent 0-1 parts by weight；
Water-reducing agent 0-2.5 parts by weight.
8. net aldehyde Thistle board as claimed in claim 7, which is characterized in that including following components, the weight of each component
Measuring part is
9. net aldehyde Thistle board as claimed in claim 7, which is characterized in that including following components, the weight of each component
Measuring part is
10. such as the preparation method of the described in any item net aldehyde Thistle boards of claim 1-9, which is characterized in that including following
Step: by the gesso of predetermined weight part, reinforcing agent, water-reducing agent and modified starch, mechanical stirring obtains homogeneous solid powder
End is added to blender；The foaming agent of predetermined weight part is added to the water, mixed liquor enters after being foamed by foamed system to be stirred
Mix machine；Net aldehyde agent is dissolved in the water, redispersible rubber powder, linoleic acid stirring 10-20min is added, is added to blender；Respectively
Obtained uniform sizing material is sufficiently stirred through the blender in raw material, is continuously cast between two layers of mask paper, through extrusion forming
Plasterboard wet plate is made；The net aldehyde Thistle board is made behind side through solidification, cutting, drying, saw in the plasterboard wet plate.
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| CN201711335752.3A CN109958224B (en) | 2017-12-14 | 2017-12-14 | Aldehyde-removing paper-surface gypsum board and preparation method thereof |
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| CN201711335752.3A CN109958224B (en) | 2017-12-14 | 2017-12-14 | Aldehyde-removing paper-surface gypsum board and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113387618A (en) * | 2021-07-16 | 2021-09-14 | 广东汇美淀粉科技有限公司 | Starch suspension for bonding of paper-surface gypsum board protective paper and preparation method thereof |
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| CN113387618B (en) * | 2021-07-16 | 2021-12-28 | 广东汇美淀粉科技有限公司 | Starch suspension for bonding of paper-surface gypsum board protective paper and preparation method thereof |
| CN114368957A (en) * | 2022-01-27 | 2022-04-19 | 北新建材(昆明)有限公司 | Production method of gypsum board in plateau environment and paper-surface gypsum board |
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| CN109958224B (en) | 2020-04-28 |
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