CN107652815A - A kind of preparation method for the indoor emulsion paint for adsorbing and removing formaldehyde - Google Patents
A kind of preparation method for the indoor emulsion paint for adsorbing and removing formaldehyde Download PDFInfo
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- CN107652815A CN107652815A CN201710998907.5A CN201710998907A CN107652815A CN 107652815 A CN107652815 A CN 107652815A CN 201710998907 A CN201710998907 A CN 201710998907A CN 107652815 A CN107652815 A CN 107652815A
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- chitin
- preparation
- emulsion paint
- formaldehyde
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000000839 emulsion Substances 0.000 title claims abstract description 83
- 239000003973 paint Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 229920002101 Chitin Polymers 0.000 claims abstract description 62
- 238000013019 agitation Methods 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910021389 graphene Inorganic materials 0.000 claims description 20
- 239000000047 product Substances 0.000 claims description 17
- 239000003643 water by type Substances 0.000 claims description 16
- 239000006185 dispersion Substances 0.000 claims description 15
- 239000004816 latex Substances 0.000 claims description 12
- 229920000126 latex Polymers 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 239000013530 defoamer Substances 0.000 claims description 6
- -1 ethylene glycol siloxanes Chemical class 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 238000000527 sonication Methods 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- QBLDFAIABQKINO-UHFFFAOYSA-N barium borate Chemical compound [Ba+2].[O-]B=O.[O-]B=O QBLDFAIABQKINO-UHFFFAOYSA-N 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims description 2
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims description 2
- 229940112669 cuprous oxide Drugs 0.000 claims description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 2
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical group C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims 8
- 238000002604 ultrasonography Methods 0.000 claims 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract description 13
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 229930040373 Paraformaldehyde Natural products 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 229920002866 paraformaldehyde Polymers 0.000 abstract description 4
- 230000002000 scavenging effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000010422 painting Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004964 aerogel Substances 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000004108 freeze drying Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004064 dysfunction Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000007443 Neurasthenia Diseases 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000349 chromosome Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000879 imine group Chemical group 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100001224 moderate toxicity Toxicity 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000009325 pulmonary function Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention belongs to chemistry painting industry field, more particularly to a kind of preparation method for the indoor emulsion paint for adsorbing and removing formaldehyde.Specifically comprise the following steps：The preparation of the grapheme modified aeroge of step 1, chitin；The preparation of step 2, the indoor emulsion paint for adsorbing and removing formaldehyde.Indoor emulsion paint prepared by this method has the difunctional of physical absorption and chemical scavenging, PARA FORMALDEHYDE PRILLS(91,95) adsorbance is big, after absorption except significant advantages such as aldehyde efficiency height.
Description
Technical field
The invention belongs to chemistry painting industry field, more particularly to a kind of preparation for the indoor emulsion paint for adsorbing and removing formaldehyde
Method.
Technical background
With the development of social economy and the raising of living standards of the people, common people increasingly focus on the body of oneself and are good for
Health, especially the environmental requirement more and more higher to institute's living environment.When fitting up indoors, people are often from particieboard, composite plate etc.
Artificial board.Wherein, adhesive is needed to use when prepared by artificial board, and often contains unreacted free first in adhesive
Aldehyde, this is also the main source of formaldehyde in indoor air pollution.
Formaldehyde is a kind of moderate toxicity material, there is very big harm to health；Influence be mainly manifested in allotriosmia,
Stimulation, allergy, abnormal pulmonary function, dysfunction of liver, immunologic dysfunction etc., long-term low dose Formaldehyde Exposed may occur in which note
Recall the neurasthenia symptom such as power decline, drowsiness, the mutation of inhereditary material can be caused, damage chromosome.At present, it is domestic commercially available
Most of be all used as using some materials with absorption property of aldehyde removing latex paint removes aldehyde material, this except formaldehyde-latex paint is in first
During aldehyde adsorption saturation, it may appear that the phenomenon of formaldehyde desorption, this phenomenon remove formaldehyde efficiency by serious limitation emulsion paint；Although
The aldehyde removing latex paint of many high-quality can again add some and coordinate catalytic degradation, chemistry to remove aldehyde on the basis of formaldehyde adsorption
Auxiliary agent improve except aldehyde amount, still, mutually made between what simple compounding formed remove aldehyde filler each component of less efficient, and
Easily occur disperseing uneven phenomenon in emulsion, hence it is evident that reduce emulsion paint removes aldehyde performance.
Therefore, a kind of indoor emulsion paint for efficiently removing formaldehyde is studied, it appears particularly important.
The content of the invention
For above shortcomings in the prior art, the present invention provides a kind of absorption and removes the indoor emulsion paint of formaldehyde
Preparation method, indoor emulsion paint prepared by this method has difunctional, the PARA FORMALDEHYDE PRILLS(91,95) adsorbance of physical absorption and chemical scavenging
Greatly, except significant advantages such as aldehyde efficiency height after adsorbing.
To achieve these goals, the preparation side of a kind of indoor emulsion paint for adsorbing and removing formaldehyde provided by the invention
Method, specifically comprise the following steps.
The preparation of the grapheme modified aeroge of step 1, chitin.
（1）0.5-1g graphite oxides are added in the beaker equipped with 200-500mL deionized waters, in supersonic cell
10-30min is ultrasonically treated in pulverizer, ultrasonic power ratio is 50%-90%, and graphene oxide water solution is made.
（2）5-10g chitins are added in the beaker equipped with 50-100mL deionized waters, mechanical agitation disperses 1-2h,
100-300 revs/min of speed of agitator, chitin aqueous dispersions are made.
（3）200-500mL graphene oxide water solutions are added in reactor, then ethylenediamine is added into reactor
300-500mL, 1- (3- dimethylamino-propyls) -3- ethyl-carbodiimide hydrochlorides（EDC）0.05-0.1g, in 90-100 DEG C of bar
Condensing reflux reacts 3-5h under part；Reactor is cooled to 20-30 DEG C again, 50-100mL chitin moisture is added into system and is dissipated
Liquid, react 3-5h；By product filtering and washing 2-4 times, 24-48h is freeze-dried under the conditions of -50-10 DEG C, both chitin modification
Graphene aerogel.
The preparation of step 2, the indoor emulsion paint for adsorbing and removing formaldehyde.
（1）The grapheme modified aeroge 1-5g of chitin is crushed into 10-25min in high speed disintegrator, the powder after crushing
Last mesh number is 50-200 mesh.
（2）Deionized water 10-30g, mould proof filler 10-15g, titanium dioxide 10-15g, face are added into stirring container successively
Expect 10-20g；Mechanical agitation batch mixing is opened, the blended under agitation time is 10-30min, and speed of agitator is 300-500 revs/min.
（3）Under the conditions of 500-1000 revs/min of speed of agitator, aqueous latex paint emulsion is added into stirring container successively
The grapheme modified aeroge 1-5g of 35-50g, chitin, defoamer 0.1-1g；The blended under agitation time is 30-50min, is disperseed equal
The even emulsion paint product for producing the present invention.
The aqueous latex paint emulsion is styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion, acrylate and vinyl acetate emulsion, vinyl acetate-ethylene
One or more combinations in copolymer emulsion.
Described mould proof filler is one or more combinations in nano zine oxide, cuprous oxide, barium metaborate.
Described pigment is one kind in lithopone, stibium trioxide, iron oxide yellow, chrome oxide green, barba hispanica.
Described defoamer is one or more groups in dimethyl silicone polymer, fluorosilicone, ethylene glycol siloxanes
Close.
Beneficial effects of the present invention.
It is this to adsorb and remove first the invention discloses a kind of preparation method for the indoor emulsion paint for adsorbing and removing formaldehyde
The indoor emulsion paint of aldehyde is combined by the grapheme modified aeroge of chitin and aqueous latex paint emulsion and other auxiliary agents.This
Invention is added in indoor aqueous latex paint using the grapheme modified aeroge of chitin as adsorbing and remove the filler of formaldehyde；One
Aspect, its PARA FORMALDEHYDE PRILLS(91,95) gas of graphene aerogel have very strong absorption property, can be fitted up with efficient absorption caused by formaldehyde gas
Body；On the other hand, a large amount of amino are contained on chitin surface, and research finds to change rapidly when formaldehyde gas contacts with amino
Learn the stable imine structure of reaction generation；Physical absorption and chemical scavenging interaction, can be obviously improved to formaldehyde in emulsion paint
Absorption and elimination efficiency, compared with traditional formaldehyde adsorption emulsion paint, what the present invention prepared emulsion paint can lift 10- except aldehyde efficiency
30%, and the absorption of emulsion paint PARA FORMALDEHYDE PRILLS(91,95) prepared by the present invention is irreversible, be not in that formaldehyde absorbing saturation is desorbed releases again
The phenomenon being put into air, formaldehyde 120mg can be removed per this kind of emulsion paint of 100g, is carried than traditional formaldehyde adsorption emulsion paint clearing amount
Rise 40%.In addition, mould proof filler, pigment and the grapheme modified aeroge of chitin are added to emulsion paint surface and are also easy to produce bubble
And raised points, to overcome this shortcoming present invention to remove bubble from organic silicon defoamer, compared with other species defoamers,
Organic silicon defoamer is best suitable for this kind of emulsion paint system.
Embodiment
With reference to specific embodiment, the present invention is described further.
Embodiment 1.
（1）The preparation of the grapheme modified aeroge of chitin.
A. 1g graphite oxides are added in the beaker equipped with 300mL deionized waters, surpassed in ultrasonic cell disruptor
Graphene oxide water solution is made than 90% in sonication 30min, ultrasonic power.
B. 10g chitins are added in the beaker equipped with 100mL deionized waters, mechanical agitation disperses 1.5h, and stirring turns
180 revs/min of speed, chitin aqueous dispersions are made.
C. 300mL graphene oxide water solutions are added in reactor, then add into reactor ethylenediamine 300mL,
1- (3- dimethylamino-propyls) -3- ethyl-carbodiimide hydrochlorides（EDC）0.07g, condensing reflux reaction 4h at 90 DEG C；Again will be anti-
Answer kettle to be cooled to 20 DEG C, 100mL chitin aqueous dispersions are added into system, react 4h, product filtering and washing 3 times, at -50 DEG C
Lower freeze-drying 24h, produce the grapheme modified aeroge of chitin.
（2）Adsorb and remove the preparation of the indoor emulsion paint of formaldehyde.
A. the grapheme modified aeroge 5g of chitin crushes 25min in high speed disintegrator, and the powder mesh number after crushing is
200 mesh.
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；
Mechanical agitation batch mixing is opened, the blended under agitation time is 15min, and speed of agitator is 350 revs/min.
C. water-based acrylic emulsion paint emulsion is added into stirring container successively under the conditions of 800 revs/min in speed of agitator
The grapheme modified aeroge 5g of 50g, chitin, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, produce latex
Paint product.
Embodiment 2.
（1）The preparation of the grapheme modified aeroge of chitin.
A. 1g graphite oxides are added in the beaker equipped with 300mL deionized waters, surpassed in ultrasonic cell disruptor
Sonication 30min, ultrasonic power ratio are 90%, and graphene oxide water solution is made.
B. 10g chitins are added in the beaker equipped with 100mL deionized waters, mechanical agitation disperses 1.5h, and stirring turns
180 revs/min of speed, chitin aqueous dispersions are made.
C. 300mL graphene oxide water solutions are added in reactor, then add into reactor ethylenediamine 300mL,
1- (3- dimethylamino-propyls) -3- ethyl-carbodiimide hydrochlorides（EDC）0.07g, condensing reflux reaction 4h at 90 DEG C；Again will be anti-
Answer kettle to be cooled to 20 DEG C, 100mL chitin aqueous dispersions are added into system, react 4h, product filtering and washing 3 times, at -50 DEG C
Lower freeze-drying 24h, produce the grapheme modified aeroge of chitin.
（2）Adsorb and remove the preparation of the indoor emulsion paint of formaldehyde.
A. the grapheme modified aeroge 8g of chitin crushes 25min in high speed disintegrator, and the powder mesh number after crushing is
200 mesh.
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；
Mechanical agitation batch mixing is opened, the blended under agitation time is 15min, and speed of agitator is 350 revs/min.
C. water-based acrylic emulsion paint emulsion is added into stirring container successively under the conditions of 800 revs/min in speed of agitator
The grapheme modified aeroge 8g of 50g, chitin, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, produce latex
Paint product.
Embodiment 3.
（1）The preparation of the grapheme modified aeroge of chitin.
A. 1g graphite oxides are added in the beaker equipped with 300mL deionized waters, surpassed in ultrasonic cell disruptor
Sonication 30min, ultrasonic power ratio are 90%, and graphene oxide water solution is made.
B. 10g chitins are added in the beaker equipped with 100mL deionized waters, mechanical agitation disperses 1.5h, and stirring turns
180 revs/min of speed, chitin aqueous dispersions are made.
C. 300mL graphene oxide water solutions are added in reactor, then add into reactor ethylenediamine 300mL,
1- (3- dimethylamino-propyls) -3- ethyl-carbodiimide hydrochlorides（EDC）0.07g, condensing reflux reaction 4h at 90 DEG C；Again will be anti-
Answer kettle to be cooled to 20 DEG C, 100mL chitin aqueous dispersions are added into system, react 4h, product filtering and washing 3 times, at -50 DEG C
Lower freeze-drying 24h, produce the grapheme modified aeroge of chitin.
（2）Adsorb and remove the preparation of the indoor emulsion paint of formaldehyde.
A. the grapheme modified aeroge 10g of chitin crushes 25min in high speed disintegrator, and the powder mesh number after crushing is
200 mesh.
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；
Mechanical agitation batch mixing is opened, the blended under agitation time is 15min, and speed of agitator is 350 revs/min.
C. water-based acrylic emulsion paint emulsion is added into stirring container successively under the conditions of 800 revs/min in speed of agitator
The grapheme modified aeroge 10g of 50g, chitin, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, produce latex
Paint product.
Comparative example 1.
（1）The preparation of indoor emulsion paint.
A. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；
Mechanical agitation batch mixing is opened, the blended under agitation time is 15min, and speed of agitator is 350 revs/min.
B. improve speed of agitator to 800 revs/min, added successively into stirring container water-based acrylic emulsion paint emulsion 50g,
Dimethyl silicone polymer 0.5g, blended under agitation time are 40min, are uniformly dispersed and produce emulsion paint product.
Comparative example 2.
（1）The preparation of indoor emulsion paint.
A. graphene aerogel 1-5g is crushed into 25min in high speed disintegrator.
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；
Mechanical agitation batch mixing is opened, the blended under agitation time is 15min, and speed of agitator is 350 revs/min.
C. improve speed of agitator to 800 revs/min, added successively into stirring container water-based acrylic emulsion paint emulsion 50g,
Graphene aerogel 10g, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, and be uniformly dispersed the emulsion paint system of producing
Product.
Comparative example 3.
（1）The preparation of indoor emulsion paint.
A. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；
Mechanical agitation batch mixing is opened, the blended under agitation time is 15min, and speed of agitator is 350 revs/min.
B. improve speed of agitator to 800 revs/min, added successively into stirring container water-based acrylic emulsion paint emulsion 50g,
Chitin 10g, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, are uniformly dispersed and produce emulsion paint product.
Above three embodiment and comparative example are detected, and testing result is shown in Table 1.
The embodiment of table 1. and comparative example testing result.
Claims (8)
1. a kind of preparation method for the indoor emulsion paint for adsorbing and removing formaldehyde, it is characterised in that specifically comprise the following steps：
The preparation of the grapheme modified aeroge of step 1, chitin：
（1）0.5-1g graphite is added in the beaker equipped with 200-500mL deionized waters, surpassed in ultrasonic cell disruptor
Sonication 10-30min, ultrasonic power ratio are 50%-90%, and graphene oxide water solution is made；
（2）5-10g chitins are added in the beaker equipped with 50-100mL deionized waters, mechanical agitation disperses 1-2h, stirring
100-300 revs/min of rotating speed, chitin aqueous dispersions are made；
（3）200-500mL graphene oxide water solutions are added in reactor, then second diamino 300- is added into reactor
500mL, 1- (3- dimethylamino-propyls) -3- ethyl-carbodiimide hydrochlorides（EDC）0.05-0.1g, under the conditions of 90-100 DEG C
Condensing reflux reacts 3-5h；Reactor is cooled to 20-30 DEG C again, 50-100mL chitin aqueous dispersions are added into system,
React 3-5h；By product filtering and washing 2-4 times, 24-48h is freeze-dried under the conditions of -50-10 DEG C, both chitin modification stone
Black alkene aeroge；
The preparation of step 2, the indoor emulsion paint for adsorbing and removing formaldehyde：
（1）The grapheme modified aeroge 1-5g of chitin is crushed into 10-25min in high speed disintegrator, the powder mesh after crushing
Number is 50-200 mesh；
（2）Deionized water 10-30g, mould proof filler 10-15g, titanium dioxide 10-15g, pigment 10- are added into stirring container successively
20g ；Mechanical agitation batch mixing is opened, the blended under agitation time is 10-30min, and speed of agitator is 300-500 revs/min；
（3）Under the conditions of 500-1000 revs/min of speed of agitator, aqueous latex paint emulsion 35- is added into stirring container successively
The grapheme modified aeroge 1-5g of 50g, chitin, defoamer 0.1-1g；The blended under agitation time is 30-50min, is uniformly dispersed,
Produce the emulsion paint product of the present invention.
2. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that the water
Property latex paint emulsion be styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion, acrylate and vinyl acetate emulsion, one in vinyl acetate-ethylene copolymerization emulsions
Kind or a variety of combinations.
3. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that be described
Mould proof filler is one or more combinations in nano zine oxide, cuprous oxide, barium metaborate.
4. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that be described
Pigment is lithopone, stibium trioxide, iron oxide yellow, chrome oxide green, barba hispanica.
5. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that be described
Defoamer is one or more combinations in dimethyl silicone polymer, fluorosilicone, ethylene glycol siloxanes.
6. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that specific bag
Include following steps：
（1）The preparation of the grapheme modified aeroge of chitin：
A. 1g graphite oxides are added in the beaker equipped with 300mL deionized waters, in ultrasonic cell disruptor at ultrasound
30min is managed, ultrasonic power ratio is 90%, and graphene oxide water solution is made；
B. 10g chitins are added in the beaker equipped with 100mL deionized waters, mechanical agitation disperses 1.5h, speed of agitator
180 revs/min, chitin aqueous dispersions are made；
C. 300mL graphene oxide water solutions are added in reactor, then ethylenediamine 300mL, 1- (3- is added into reactor
Dimethylamino-propyl) -3- ethyl-carbodiimide hydrochlorides（EDC）0.07g, condensing reflux reaction 4h at 90 DEG C；Again by reactor
20 DEG C are cooled to, 100mL chitin aqueous dispersions are added into system, reacts 4h, product filtering and washing 3 times is cold at -50 DEG C
Dry 24h is freezed, produces the grapheme modified aeroge of chitin；
（2）Adsorb and remove the preparation of the indoor emulsion paint of formaldehyde：
A. the grapheme modified aeroge 5g of chitin crushes 25min in high speed disintegrator, and the powder mesh number after crushing is 200
Mesh；
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；Open
Mechanical agitation batch mixing, blended under agitation time are 15min, and speed of agitator is 350 revs/min；
C. speed of agitator under the conditions of 800 revs/min, added successively into stirring container water-based acrylic emulsion paint emulsion 50g,
The grapheme modified aeroge 5g of chitin, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, produce emulsion paint system
Product.
7. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that specific bag
Include following steps：
（1）The preparation of the grapheme modified aeroge of chitin：
A. 1g graphite oxides are added in the beaker equipped with 300mL deionized waters, in ultrasonic cell disruptor at ultrasound
30min is managed, ultrasonic power ratio is 90%, and graphene oxide water solution is made；
B. 10g chitins are added in the beaker equipped with 100mL deionized waters, mechanical agitation disperses 1.5h, speed of agitator
180 revs/min, chitin aqueous dispersions are made；
C. 300mL graphene oxide water solutions are added in reactor, then ethylenediamine 300mL, 1- (3- is added into reactor
Dimethylamino-propyl) -3- ethyl-carbodiimide hydrochlorides（EDC）0.07g, condensing reflux reaction 4h at 90 DEG C；Again by reactor
20 DEG C are cooled to, 100mL chitin aqueous dispersions are added into system, reacts 4h, product filtering and washing 3 times is cold at -50 DEG C
Dry 24h is freezed, produces the grapheme modified aeroge of chitin；
（2）Adsorb and remove the preparation of the indoor emulsion paint of formaldehyde：
A. the grapheme modified aeroge 8g of chitin crushes 25min in high speed disintegrator, and the powder mesh number after crushing is 200
Mesh；
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；Open
Mechanical agitation batch mixing, blended under agitation time are 15min, and speed of agitator is 350 revs/min；
C. speed of agitator under the conditions of 800 revs/min, added successively into stirring container water-based acrylic emulsion paint emulsion 50g,
The grapheme modified aeroge 8g of chitin, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, produce emulsion paint system
Product.
8. adsorb as claimed in claim 1 and remove the preparation method of the indoor emulsion paint of formaldehyde, it is characterised in that specific bag
Include following steps：
（1）The preparation of the grapheme modified aeroge of chitin：
A. 1g graphite oxides are added in the beaker equipped with 300mL deionized waters, in ultrasonic cell disruptor at ultrasound
30min is managed, ultrasonic power ratio is 90%, and graphene oxide water solution is made；
B. 10g chitins are added in the beaker equipped with 100mL deionized waters, mechanical agitation disperses 1.5h, speed of agitator
180 revs/min, chitin aqueous dispersions are made；
C. 300mL graphene oxide water solutions are added in reactor, then ethylenediamine 300mL, 1- (3- is added into reactor
Dimethylamino-propyl) -3- ethyl-carbodiimide hydrochlorides（EDC）0.07g, condensing reflux reaction 4h at 90 DEG C；Again by reactor
20 DEG C are cooled to, 100mL chitin aqueous dispersions are added into system, reacts 4h, product filtering and washing 3 times is cold at -50 DEG C
Dry 24h is freezed, produces the grapheme modified aeroge of chitin；
（2）Adsorb and remove the preparation of the indoor emulsion paint of formaldehyde：
A. the grapheme modified aeroge 10g of chitin crushes 25min in high speed disintegrator, and the powder mesh number after crushing is 200
Mesh；
B. deionized water 25g, nano zine oxide 10g, titanium dioxide 12g, lithopone 10g are added into stirring container successively；Open
Mechanical agitation batch mixing, blended under agitation time are 15min, and speed of agitator is 350 revs/min；
C. speed of agitator under the conditions of 800 revs/min, added successively into stirring container water-based acrylic emulsion paint emulsion 50g,
The grapheme modified aeroge 10g of chitin, dimethyl silicone polymer 0.5g, blended under agitation time are 40min, produce emulsion paint system
Product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483845A (en) * | 2019-07-03 | 2019-11-22 | 常州大学 | A kind of graphene oxide/chitosan oligosaccharide composite crosslinking gel |
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| CN101824277A (en) * | 2010-03-11 | 2010-09-08 | 湖北饰乃康涂料有限公司 | Latex paint and aqueous wood ware paint for eliminating formaldehyde and preparation method thereof |
| CN105129772A (en) * | 2015-09-18 | 2015-12-09 | 同济大学 | Method for preparing amination CNT (carbon nano tube)-graphene aerogel |
| CN106517171A (en) * | 2015-09-10 | 2017-03-22 | 中国科学院上海微***与信息技术研究所 | Preparation method of graphene aerogel |
| CN107243326A (en) * | 2017-05-16 | 2017-10-13 | 北京化工大学 | A kind of preparation method of graphene oxide/chitosan composite aerogel microballoon |
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2017
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| CN101824277A (en) * | 2010-03-11 | 2010-09-08 | 湖北饰乃康涂料有限公司 | Latex paint and aqueous wood ware paint for eliminating formaldehyde and preparation method thereof |
| CN106517171A (en) * | 2015-09-10 | 2017-03-22 | 中国科学院上海微***与信息技术研究所 | Preparation method of graphene aerogel |
| CN105129772A (en) * | 2015-09-18 | 2015-12-09 | 同济大学 | Method for preparing amination CNT (carbon nano tube)-graphene aerogel |
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| CN110483845A (en) * | 2019-07-03 | 2019-11-22 | 常州大学 | A kind of graphene oxide/chitosan oligosaccharide composite crosslinking gel |
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Denomination of invention: A preparation method for indoor latex paint that adsorbs and removes formaldehyde Effective date of registration: 20231019 Granted publication date: 20200512 Pledgee: Bank of Jilin Co.,Ltd. Shenyang Branch Pledgor: Liaoning Shunfeng New Material Technology Co.,Ltd. Registration number: Y2023210000260 |