NL2032423A - Negative ion anti-mosquito interior wall coating and preparation method thereof - Google Patents
Negative ion anti-mosquito interior wall coating and preparation method thereof Download PDFInfo
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- NL2032423A NL2032423A NL2032423A NL2032423A NL2032423A NL 2032423 A NL2032423 A NL 2032423A NL 2032423 A NL2032423 A NL 2032423A NL 2032423 A NL2032423 A NL 2032423A NL 2032423 A NL2032423 A NL 2032423A
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- mosquito
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- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 37
- 230000001442 anti-mosquito Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 116
- 150000002500 ions Chemical class 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000003094 microcapsule Substances 0.000 claims abstract description 39
- 239000000077 insect repellent Substances 0.000 claims abstract description 38
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 23
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002562 thickening agent Substances 0.000 claims abstract description 23
- 239000010457 zeolite Substances 0.000 claims abstract description 23
- 239000013530 defoamer Substances 0.000 claims abstract description 21
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 18
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 18
- 241000255925 Diptera Species 0.000 claims abstract description 15
- 239000000839 emulsion Substances 0.000 claims abstract description 14
- 239000000417 fungicide Substances 0.000 claims abstract description 14
- 239000000080 wetting agent Substances 0.000 claims abstract description 14
- 239000011259 mixed solution Substances 0.000 claims abstract description 12
- 230000001846 repelling effect Effects 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 38
- 229910052613 tourmaline Inorganic materials 0.000 claims description 28
- 229940070527 tourmaline Drugs 0.000 claims description 28
- 239000011032 tourmaline Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 20
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 16
- 239000004408 titanium dioxide Substances 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 13
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 10
- 230000002572 peristaltic effect Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- VQXSOUPNOZTNAI-UHFFFAOYSA-N Pyrethrin I Natural products CC(=CC1CC1C(=O)OC2CC(=O)C(=C2C)CC=C/C=C)C VQXSOUPNOZTNAI-UHFFFAOYSA-N 0.000 claims description 5
- HYJYGLGUBUDSLJ-UHFFFAOYSA-N pyrethrin Natural products CCC(=O)OC1CC(=C)C2CC3OC3(C)C2C2OC(=O)C(=C)C12 HYJYGLGUBUDSLJ-UHFFFAOYSA-N 0.000 claims description 5
- VJFUPGQZSXIULQ-XIGJTORUSA-N pyrethrin II Chemical compound CC1(C)[C@H](/C=C(\C)C(=O)OC)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1 VJFUPGQZSXIULQ-XIGJTORUSA-N 0.000 claims description 5
- 238000001694 spray drying Methods 0.000 claims description 5
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 2
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims description 2
- 229960001826 dimethylphthalate Drugs 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 12
- 239000011265 semifinished product Substances 0.000 claims 3
- 239000003002 pH adjusting agent Substances 0.000 claims 2
- 239000005878 Azadirachtin Substances 0.000 claims 1
- VEHPJKVTJQSSKL-UHFFFAOYSA-N azadirachtin Natural products O1C2(C)C(C3(C=COC3O3)O)CC3C21C1(C)C(O)C(OCC2(OC(C)=O)C(CC3OC(=O)C(C)=CC)OC(C)=O)C2C32COC(C(=O)OC)(O)C12 VEHPJKVTJQSSKL-UHFFFAOYSA-N 0.000 claims 1
- FTNJWQUOZFUQQJ-IRYYUVNJSA-N azadirachtin A Natural products C([C@@H]([C@]1(C=CO[C@H]1O1)O)[C@]2(C)O3)[C@H]1[C@]23[C@]1(C)[C@H](O)[C@H](OC[C@@]2([C@@H](C[C@@H]3OC(=O)C(\C)=C/C)OC(C)=O)C(=O)OC)[C@@H]2[C@]32CO[C@@](C(=O)OC)(O)[C@@H]12 FTNJWQUOZFUQQJ-IRYYUVNJSA-N 0.000 claims 1
- FTNJWQUOZFUQQJ-NDAWSKJSSA-N azadirachtin A Chemical compound C([C@@H]([C@]1(C=CO[C@H]1O1)O)[C@]2(C)O3)[C@H]1[C@]23[C@]1(C)[C@H](O)[C@H](OC[C@@]2([C@@H](C[C@@H]3OC(=O)C(\C)=C\C)OC(C)=O)C(=O)OC)[C@@H]2[C@]32CO[C@@](C(=O)OC)(O)[C@@H]12 FTNJWQUOZFUQQJ-NDAWSKJSSA-N 0.000 claims 1
- 239000010632 citronella oil Substances 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 56
- 238000002156 mixing Methods 0.000 abstract description 8
- 230000006870 function Effects 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 27
- 230000000694 effects Effects 0.000 description 15
- 229960005196 titanium dioxide Drugs 0.000 description 13
- 235000010215 titanium dioxide Nutrition 0.000 description 13
- 238000012360 testing method Methods 0.000 description 12
- 239000011324 bead Substances 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 7
- 239000011575 calcium Substances 0.000 description 7
- 229960005069 calcium Drugs 0.000 description 7
- 235000001465 calcium Nutrition 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000005871 repellent Substances 0.000 description 5
- 230000002940 repellent Effects 0.000 description 5
- 239000010425 asbestos Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical group CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- 241000256113 Culicidae Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008199 coating composition Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 210000003371 toe Anatomy 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000256059 Culex pipiens Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102000020897 Formins Human genes 0.000 description 1
- 108091022623 Formins Proteins 0.000 description 1
- ZMJBYMUCKBYSCP-UHFFFAOYSA-N Hydroxycitric acid Chemical compound OC(=O)C(O)C(O)(C(O)=O)CC(O)=O ZMJBYMUCKBYSCP-UHFFFAOYSA-N 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009982 effect on human Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000005195 poor health Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007780 powder milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/80—Processes for incorporating ingredients
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
- C08K3/10—Metal compounds
- C08K3/11—Compounds containing metals of Groups 4 to 10 or of Groups 14 to 16 of the Periodic Table
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Nanotechnology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present disclosure discloses a negative ion anti—mosquito interior wall coating and a preparation method thereof. The preparation method comprises the steps of: performing ultra— refinement on powder to obtain powder Fl; pre—dissolving water— soluble acrylic resin and a thickener to obtain a mixed solution Hl; adding remaining water, a wetting agent, the powder Fl, zeolite powder, half amount of defoamer and inorganic fungicides to the mixer, to obtain slurry J3; adding the mosquito repellent microcapsule, the silicone—acrylic emulsion, the film—forming aid, the remaining defoamer to the slurry J3, and mixing for 20 min, then adding the mixed solution H1, and uniformly mixing to obtain slurry J4; adding a pH regulator to the slurry J4, filtered, to obtain the finished product. The present disclosure has the dual functions of releasing negative ions and repelling mosquitoes, and has a good mosquito— repelling effect.
Description
P1427 /NLpd
NEGATIVE ION ANTI-MOSQUITO INTERIOR WALL COATING AND PREPARATION
METHOD THEREOF
The present disclosure relates to a coating for an inner side surface of a building, and particularly relates to a negative ion anti-mosquito interior wall coating capable of releasing negative ions and expelling mosquitos and a preparation method thereof.
As we know, the interior wall coating of a building plays a role in beautifying the building, and can effectively protect the wall and delay the adverse effects of moisture, friction, light and other external factors on the wall. With the development of coating technology, the basic compositions of interior wall coat- ing have been basically finalized. The basic raw materials include matrix emulsion or water-based resin, calcium powder, titanium di- oxide, kaolin and other pigments and fillers, dispersants, wetting agents, defoamers, pH regulators, thickening agents, leveling agents, and other aids.
With the improvement of people's living standards, higher re- quirements have also been put forward for the items and materials used in daily life, and interior wall coatings are no exception.
In addition to the basic decorative and protective functions, coatings are also given more functions by the coating manufactur- ers, to meet various needs of consumers, such as thermal insula- tion coatings, fire retardant coatings, self-cleaning coatings, heat insulation coatings, sunscreen coatings, infrared heat dissi- pation coatings, etc. In addition, the coatings are gradually used to ordinary houses extending from special application environ- ments.
Negative air ions are known as “air vitamins”. A number of studies have shown that negative ions have the advantages of re- freshing air, deodorizing and resisting bacteria and enhancing im- munity, etc. The health conditions of residents who live in the seaside and forests are generally better than those who live in the cities for a long time, which is associated with the higher levels of negative ions in the air in the environment. Negative ion coating is made by adding active ingredients that can generate negative ions into the coating formula, so as to realize the con- tinuous release of negative ions and improve the indoor air envi- ronment in the normal indoor environment without additional heat, electricity, etc. The existing negative ion coatings have less negative ion release amount and have poor health care effect on humans.
Anti-mosquito is an important issue in daily households. How to repellent and prevent mosquitoes in an effective, safe and du- rable manner is always the demand of consumers and the direction of efforts for scientific researchers. In recent years, with the continuous research and development of technicians, the mosquito repellent microcapsule technology has gradually matured and en- tered the markets.
In order to solve the above shortcomings in the prior art, the present disclosure provides a negative ion anti-mosquito inte- rior wall coating and a preparation method thereof. The negative ion anti-mosquito interior wall coating can efficiently release a large amount of negative ions for a long time, is capable of ex- pelling mosquitos for a long time, has a good mosquito effect, and is healthy and environmentally friendly.
For solving the above shortcomings, the present disclosure adopts the following technical solutions:
A negative ion anti-mosquito interior wall coating is charac- terized by comprising the following raw materials in parts by mass: 300-600 parts of silicone-acrylic emulsion, 20-40 parts of water-soluble acrylic resin, 60-100 parts of tourmaline powder, 60-100 parts of sericite powder, 20-50 parts of germanium powder, 20-50 parts of titanium dioxide, 10- 30 parts of zeolite powder, 8-15 parts of a mosquito repellent microcapsule, 4-8 parts of a thickener, 2-4 parts of a defoamer, 2-5 parts of a wetting agent, 20-50 parts of a film-forming aid, 2-6 parts of inorganic fungi-
cides, and 100-300 parts of water.
As a preferred embodiment, the negative ion anti-mosquito in- terior wall coating comprises the following raw materials in parts by weight: 500 parts of silicone-acrylic emulsion, 30 parts of wa- ter-soluble acrylic resin, 100 parts of tourmaline powder, 80 parts of sericite powder, 40 parts of germanite powder, 35 parts of titanium dioxide, 30 parts of zeolite powder, 15 parts of a mosquito repellent microcapsule, 6 parts of a thickener, 3 parts of a defoamer, 3 parts of a wetting agent, 35 parts of a film- forming aid, 4 parts of inorganic fungicides, and 200 parts of wa- ter.
Further, the present disclosure comprises 1-5 parts (by weight) of a pH regulator. The pH of a product can be adjusted to 7-8.
Further, the mosquito repellent microcapsule in the present disclosure is a slow-release microcapsule containing more than 60% by total mass of active components.
Further, the active components contained in the mosquito re- pellent microcapsule in the present disclosure include at least one of at least 50% of pyrethrin, a folium eucalypti extractive, a folium artemisiae argyi extractive and other natural plant extrac- tion solutions.
The active components contained in the mosquito repellent mi- crocapsule include at least one of deet, dimethyl phthalate, pyre- thrin and other mosquito repellents.
The particle size of the zeolite powder in the present dis- closure is 325-1,250 meshes.
The defoamer in the present disclosure is a mineral oil defoamer; the thickener is a polyurethane thickener; the pH regu- lator is AMP-95; the inorganic fungicides are nano-zinc fungi- cides; the mosquito repellent microcapsule can be prepared indi- vidually by selecting mosquito repellent preparations, and can al- so be a common mosquito repellent microcapsule available on the market, such as the mosquito repellent microcapsule produced by
Anhui Microdelivery Smart Microcapsule Sci & Tech Co., Ltd. and a natural mosquito repellent microcapsules produced by Changzhou
Meisheng Biomaterials Co., Ltd.
A method for preparing a negative ion anti-mosquito interior wall coating is characterized by comprising the following steps:
Sl: performing ultra-refinement on negative ion functional powder:
Various raw materials are selected in proportion, titanium dioxide and germanite powder are added into water that dissolves 1% dispersant and has mass three times of the powder, then stirred by a mixer at a rotation speed of 500 r/min for 20 min to obtain slurry, then the slurry is transferred into a sand mill, wherein zirconium beads with a diameter of 0.4-0.6 mm are used, the bead- to-material ratio is 8: 1, the rotation speed is set to be 2,500 r/min, and the powder is ground until the powder particle size D90 is less than 1 pm, and then the grinding is completed and slurry
Jl is obtained;
Tourmaline powder and sericite powder are added into water that dissolves 1% dispersant and has mass three times of the pow- der, then stirred by a mixer at a rotation speed of 500 r/min for min, the slurry is mixed with slurry Jl, and then the mixture is transferred into the sand mill for sand milling, wherein the 20 zirconium beads with a diameter of 0.4-0.6 mm are used, the bead- to-material ratio is 8: 1, the rotation speed is set to be 2,500 r/min, and the powder is ground until the powder particle size D90 is less than 1 pm, and then the grinding is completed and slurry
J2 is obtained;
The inlet air temperature of a spray dryer is set to be 200°C, after the temperature rises to 200°C, the slurry J2 is pumped into the spray dryer through a peristaltic pump, the rota- tion speed of the peristaltic pump is set to be 15.0 rpm, and the spray-drying is performed to obtain negative ion functional powder
Fl;
S2: pre-dissolving water-soluble acrylic resin and a thicken- er:
The thickener is dissolved in water that has mass 10 times that of the thickener, the thickener and water are uniformly mixed, then water-soluble acrylic resin is added and stirred and uniformly mixed by a mixer at a rotation speed of 300 r/min, to obtain a mixed solution Hl for future use;
S53: remaining water (water obtained after removing water for dissolving the thickener from the water selected in proportion) is added to the mixer, and a wetting agent, the negative ion func- tional powder Fl, zeolite powder, half amount of defoamer and in- 5 organic fungicides are sequentially added to the water in the mix- er which runs at a rotation speed of 300 r/min; then the rotation speed of the mixer is increased to 1,600 r/min, to mix at a high speed for 30-45 min, so that the powder can be uniformly dispersed in water, and slurry J3 is obtained;
S4: the speed of the mixer is reduced to 500 r/min, a mosqui- to repellent microcapsule, silicone-acrylic emulsion, a film- forming aid, and the remaining defoamer are sequentially added to the slurry J3 and mixed for 20 min, then the mixed solution Hl is added and uniformly mixed to obtain semi-finished slurry J4;
S5: when the mixer runs at a rotation speed of 300 r/min, a pH regulator is added to the semi-finished slurry J4 to adjust the pH of the semi-finished slurry J4 to be 7-8, and then the semi- finished slurry J4 is filtered through a 200-mesh filter screen to obtain the finished product.
The dispersant used in the powder milling process is AODA wa- ter-based ceramic dispersant AD8098.
In the interior wall coating prepared by the present disclo- sure, tourmaline and sericite are capable of ionizing water mole- cules and oxygen molecules in the air so as to release the nega- tive ions. The effect is effective for a long time. Therefore, the coating of the present disclosure can achieve the effect of con- tinuously releasing the negative ions. Meanwhile, sericite has good sealing performance and good aging resistance, so the mechan- ical properties and the weather resistance of the coating layer can be improved; the germanite powder and the titanium dioxide are semiconductor materials which respectively have thermal activity and photoactivity. There are 32 electrons around germanium nucle- us, and four electrons on the outermost orbit move irregularly, and once the temperature increases, one electron on the outermost orbit can de-orbit due to stimulation; similarly, the component
TiO; of titanium dioxide can absorb photons under the action of ultraviolet light in natural light, thus the electron transferring capacity can be improved, and the ionization ability of tourmaline is improved.
The negative ion-release ability of tourmaline and sericite and the photoactivity and thermal activity of germanite and tita- nium dioxide are more excellent under an ultra-fine state, espe- cially when the particle size reaches nano-scale. Therefore, in the present disclosure, the four powder used can be mixed and sub- jected to ultra-fine milling to form a micro-nano structure in which the semiconductor materials coat the tourmaline powder, thus achieving better functional synergy.
The zeolite has a microporous structure inside, which can greatly increase the specific surface area of the material, in- crease the contact area between the coating layer and the water and oxygen molecules in the air, promote ionization, and increase the amount of released negative ions. Meanwhile, the pore struc- ture facilitates the distribution of the effective components of the mosquito repellent microcapsule in the coating layer, thus im- proving the mosquito repelling effect.
The tourmaline has permanent electrical polarity, so the sur- face of the tourmaline has an electric field strength of 10’V/m in the range of tens of microns, which can electrolyze the water mol- ecules, improve the (water molecule) interface activity, reduce the degree of water molecule association, and reduce the intermo- lecular clustering, activate the water molecules, and improve the solubility and penetration of molecules.
In the present disclosure, the improved ionization ability of the tourmaline is combined with the anti-mosquito function of the mosquito repellent capsule, and such characteristic of the tourma- line is utilized to improve the molecular activity of the water molecules in the coating layer and the active components (anti- mosquito components) in the mosquito-repellent capsule, increase the permeability and improve the release ability of the active components; and by combing with the microporous structure of the zeolite , a better mosquito repelling effect is achieved.
In order to facilitate the understanding of the present dis-
closure, the present disclosure will be further described in con-
Junction with the specific embodiments.
Example 1
A negative ion anti-mosquito interior wall coating comprised the following raw materials in parts by mass: 300 parts silicone-acrylic emulsion, 40 parts of water- soluble acrylic resin, 80 parts of tourmaline powder, 100 parts of sericite powder, 20 parts of germanium powder, 50 parts of titani- um dioxide (Anatase), 10 parts of zeolite powder, 12 parts of mos- guito repellent microcapsule, 5 parts of thickener, 2 parts of defoamer, 2 parts of wetting agent, 20 parts of film-forming aid, 2 parts of inorganic fungicides, and 120 parts of water. The mos- quito repellent microcapsule was produced by Anhui Microdelivery
Smart Microcapsule Sci & Tech Co., Ltd.
A method for preparing the above negative ion anti-mosquito interior wall coating was characterized by comprising the follow- ing steps: 81: performing ultra-refinement on negative ion functional powder:
Various raw materials were selected in proportion, 50 parts of titanium dioxide {Anatase) and 20 parts of germanite powder were added into 210 parts of water that dissolved 2.1 parts of
AODA water-based ceramic dispersant AD8098, then stirred by a mix- er at a rotation speed of 500 r/min for 20 min to obtain slurry, and then the slurry was transferred into a sand mill, wherein zir- conium beads with a diameter of 0.4-0.6 mm were used, the bead-to- material ratio was 8: 1, the rotation speed was set to be 2,500 r/min; after grinding for 40 min, samples were taken for testing the particle size every 5 min, and the powder (titanium dioxide and germanium powder) was ground until the powder particle size
D320 was less than 1 pm, and then the grinding was completed and slurry Jl was obtained. 80 parts of tourmaline powder and 100 parts of sericite powder were added into 540 parts of water that dissolved 5.4 parts of AODA water-based ceramic dispersant AD8098, then stirred by a mixer at a rotation speed of 500 r/min for 20 min, the slurry was mixed with the slurry Jl, and then the mix- ture was transferred into the sand mill for sand milling, wherein the zirconium beads with a diameter of 0.4-0.6 mm were used, the bead-to-material ratio was 8: 1, the rotation speed was set to be 2,500 r/min, after grinding for 40 min, samples were taken for testing the particle size every 5 min, and the powder (tourmaline powder and sericite powder) was ground until the powder particle size D90 was less than 1 um, then the grinding was completed, and slurry J2 was obtained. The inlet air temperature of a spray dryer was set to be 200°C, after the temperature rose to 200°C, the slurry J2 was pumped into the spray dryer through a peristaltic pump, the rotation speed of the peristaltic pump was set to be 15.0 rpm, and the spray-drying was performed to obtain negative ion functional powder F1.
S2: pre-dissolving water-soluble acrylic resin and a thicken- er: 5 parts of a thickener was dissolved in 50 parts of water, and mixed uniformly, then 40 parts of water-soluble acrylic resin was added and uniformly mixed by a mixer at a rotation speed of 300 r/min, to obtain a mixed solution Hl for future use; 33: 70 parts of water was added to a material mixing barrel of the mixer, and 2 parts of a wetting agent, the negative ion functional powder Fl, 10 parts of zeolite powder with particle size of 350-650 meshes, 1 part of defoamer and 2 parts of inorgan- ic fungicides were sequentially added to the water in the material mixing barrel of the mixer which ran at a rotation speed of 300 r/min; then the rotation speed of the mixer was increased to 1,600 r/min, to mix at a high speed for 30-45 min, so that the powder (negative ion functional powder Fl, zeolite powder) was uniformly dispersed in water, and slurry J3 was obtained;
S4: the speed of the mixer was reduced to 500 r/min, 12 parts of mosquito repellent microcapsule, 300 parts of silicone-acrylic emulsion, 20 parts of a film-forming aid, and 1 part of the defoamer were sequentially added to the slurry J3 in the mixer and mixed for 20 min, then the mixed solution Hl was added to the mix- er and uniformly mixed to obtain semi-finished slurry Jd; 35: when the mixer ran at a rotation speed of 300 r/min, 1 part of AMP-9 was added to the semi-finished slurry J4 in the mix- er to adjust the pH of the semi-finished slurry J4 to be 7-8, to ensure the system stability; and then the semi-finished slurry J4 was filtered through a 200-mesh filter screen and packaged, to ob- tain the finished product.
Example 2
A negative ion anti-mosquito interior wall coating comprised the following raw materials in parts by mass: 500 parts silicone-acrylic emulsion, 30 parts of water- soluble acrylic resin, 100 parts of tourmaline powder, 80 parts of sericite powder, 40 parts of germanium powder, 35 parts of titani- um dioxide (Anatase), 30 parts of zeolite powder, 15 parts of mos- guito repellent microcapsule, 6 parts of thickener, 3 parts of defoamer, 3 parts of wetting agent, 35 parts of film-forming aid, 4 parts of inorganic fungicides, and 200 parts of water. The mos- quito repellent microcapsule was a slow-release microcapsule con- taining 85% by total mass of active components; and the active components contained in the mosquito repellent microcapsule in- cluded 60% of pyrethrin, 20% of folium eucalypti extractive, and 203 of folium artemisiae argyi extractive.
A method for preparing the above negative ion anti-mosquito interior wall coating was characterized by comprising the follow- ing steps:
Sl: performing ultra-refinement on negative ion functional powder:
Various raw materials were selected in proportion, 35 parts of titanium dioxide (Anatase) and 40 parts of germanite powder were added into 225 parts of water that dissolved 2.25 parts of
AODA water-based ceramic dispersant AD8098, then stirred by a mix- er at a rotation speed of 500 r/min for 20 min to obtain slurry, and then the slurry was transferred into a sand mill, wherein zir- conium beads with a diameter of 0.4-0.6 mm were used, the bead-to- material ratio was 8: 1, the rotation speed was set to be 2,500 r/min; after grinding for 40 min, samples were taken for testing the particle size every 5 min, and the powder (titanium dioxide and germanium powder) was ground until the powder particle size
D90 was less than 1 um, and then the grinding was completed and slurry Jl was obtained. 100 parts of tourmaline powder and 80 parts of sericite powder were added into 540 parts of water that dissolved 5.4 parts of AODA water-based ceramic dispersant AD8098,
then stirred by a mixer at a rotation speed of 500 r/min for 20 min, the slurry was mixed with the slurry J1, and then the mixture was transferred into the sand mill for sand milling, wherein the zirconium beads with a diameter of 0.4-0.6 mm were used, the bead- to-material ratio was 8: 1, the rotation speed was set to be 2,500 r/min, after grinding for 40 min, samples were taken for testing the particle size every 5 min, and the powder (tourmaline powder and sericite powder) was ground until the powder particle size D90 was less than 1 pm, then the grinding was completed, and slurry J2 was obtained. The inlet air temperature of a spray dryer was set to be 200°C, after the temperature rose to 200°C, the slurry J2 was pumped into the spray dryer through a peristaltic pump, the rotation speed of the peristaltic pump was set to be 15.0 rpm, and the spray-drying was performed to obtain negative ion functional powder F1.
S2: pre-dissolving water-soluble acrylic resin and a thicken- er: 6 parts of a thickener was dissolved in 60 parts of water, and mixed uniformly, then 30 parts of water-soluble acrylic resin was added and uniformly mixed by a mixer at a rotation speed of 300 r/min, to obtain a mixed solution H1 for future use;
S3: 140 parts of water was added to a material mixing barrel of the mixer, and 3 parts of a wetting agent, the negative ion functional powder Fl, 30 parts of zeolite powder with particle size of 500-800 meshes, 1.5 parts of defoamer and 4 parts of inor- ganic fungicides were sequentially added to the water in the mate- rial mixing barrel of the mixer which ran at a rotation speed of 300 r/min; then the rotation speed of the mixer was increased to 1,600 r/min, to mix at a high speed for 30-45 min, so that the powder (negative ion functional powder Fl, zeolite powder) was uniformly dispersed in water, and slurry J3 was obtained; 34: the speed of the mixer was reduced to 500 r/min, 15 parts of mosquito repellent microcapsule, 500 parts of silicone-acrylic emulsion, 35 parts of a film-forming aid, and 1.5 parts of the defoamer were sequentially added to the slurry J3 in the mixer and mixed for 20 min, then the mixed solution Hl was added to the mix- er and uniformly mixed to obtain semi-finished slurry J4;
S5: when the mixer ran at a rotation speed of 300 r/min, 2 parts of AMP-95 were added to the semi-finished slurry J4 in the mixer to adjust the pH of the semi-finished slurry J4 to be 7-8, to ensure the system stability; and then the semi-finished slurry
J4 was filtered through a 200-mesh filter screen and packaged, to obtain the finished product.
Example 3
A negative ion anti-mosquito interior wall coating comprised the following raw materials in parts by mass: 600 parts silicone-acrylic emulsion, 20 parts of water- soluble acrylic resin, 60 parts of tourmaline powder, 60 parts of sericite powder, 30 parts of germanium powder, 20 parts of titani- um dioxide (Anatase), 20 parts of zeolite powder, 8 parts of mos- quito repellent microcapsule, 8 parts of thickener, 4 parts of defoamer, 4 parts of wetting agent, 40 parts of film-forming aid, 5 parts of inorganic fungicides, and 160 parts of water. The mos- quito repellent microcapsule was produced by Anhui Microdelivery
Smart Microcapsule Sci & Tech Co., Ltd.
A method for preparing the above negative ion anti-mosquito interior wall coating was characterized by comprising the follow- ing steps:
Sl: performing ultra-refinement on negative ion functional powder:
Various raw materials were selected in proportion, 20 parts of titanium dioxide (Anatase) and 30 parts of germanite powder were added into 150 parts of water that dissolved 1.5 parts of
AODA water-based ceramic dispersant AD8098, then stirred by a mix- er at a rotation speed of 500 r/min for 20 min to obtain slurry, and then the slurry was transferred into a sand mill, wherein zir- conium beads with a diameter of 0.4-0.6 mm were used, the bead-to- material ratio was 8: 1, the rotation speed was set to be 2,500 r/min; after grinding for 40 min, samples were taken for testing the particle size every 5 min, and the powder (titanium dioxide and germanium powder) was ground until the powder particle size
D90 was less than 1 um, and then the grinding was completed and slurry Jl was obtained. 60 parts of tourmaline powder and 60 parts of sericite powder were added into 360 parts of water that dis- solved 3.6 parts of AODA water-based ceramic dispersant AD8098,
then stirred by a mixer at a rotation speed of 500 r/min for 20 min, the slurry was mixed with the slurry J1, and then the mixture was transferred into the sand mill for sand milling, wherein the zirconium beads with a diameter of 0.4-0.6 mm were used, the bead- to-material ratio was 8: 1, the rotation speed was set to be 2,500 r/min, after grinding for 40 min, samples were taken for testing the particle size every 5 min, and the powder (tourmaline powder and sericite powder) was ground until the powder particle size D90 was less than 1 pm, then the grinding was completed, and slurry J2 was obtained. The inlet air temperature of a spray dryer was set to be 200°C, after the temperature rose to 200°C, the slurry J2 was pumped into the spray dryer through a peristaltic pump, the rotation speed of the peristaltic pump was set to be 15.0 rpm, and the spray-drying was performed to obtain negative ion functional powder F1.
S2: pre-dissolving water-soluble acrylic resin and a thicken- er: 8 parts of a thickener was dissolved in 80 parts of water, and mixed uniformly, then 20 parts of water-soluble acrylic resin was added and uniformly mixed by a mixer at a rotation speed of 300 r/min, to obtain a mixed solution H1 for future use;
S3: 80 parts of water was added to a material mixing barrel of the mixer, and 4 parts of a wetting agent, the negative ion functional powder Fl, 20 parts of zeolite powder with particle size of 850-1,150 meshes, 2 parts of defoamer and 5 parts of inor- ganic fungicides were sequentially added to the water in the mate- rial mixing barrel of the mixer which ran at a rotation speed of 300 r/min; then the rotation speed of the mixer was increased to 1,600 r/min, to mix at a high speed for 30-45 min, so that the powder (negative ion functional powder Fl, zeolite powder) was uniformly dispersed in water, and slurry J3 was obtained; 34: the speed of the mixer was reduced to 500 r/min, 8 parts of mosquito repellent microcapsule, 600 parts of silicone-acrylic emulsion, 40 parts of a film-forming aid, and 2 parts of the defoamer were sequentially added to the slurry J3 in the mixer and mixed for 20 min, then the mixed solution Hl was added to the mix- er and uniformly mixed to obtain semi-finished slurry J4;
S5: when the mixer ran at a rotation speed of 300 r/min, 3 parts of AMP-95 were added to the semi-finished slurry J4 in the mixer to adjust the pH of the semi-finished slurry J4 to be 7-8, to ensure the system stability; and then the semi-finished slurry
J4 was filtered through a 200-mesh filter screen and packaged, to obtain the finished product.
Comparative Example 1
The formula components, content and preparation method in this comparative example were the same as those in Example 1 ex- cept that germanium powder and titanium dioxide were replaced with heavy calcium powder of the same mass.
Comparative Example 2
The formula components, content and preparation method in this comparative example were the same as those in Example 1 ex- cept that germanium powder was replaced with heavy calcium powder of the same mass.
Comparative Example 3
The formula components, content and preparation method in this comparative example were the same as those in Example 1 ex- cept that titanium dioxide was replaced with heavy calcium powder of the same mass.
Comparative Example 4
The formula components, content and preparation method in this comparative example were the same as those in Example 1 ex- cept that tourmaline powder, germanium powder and titanium dioxide were replaced with heavy calcium powder of the same mass.
Comparative Example 5
The formula components, content and preparation method in this comparative example were the same as those in Example 1 ex- cept that zeolite powder was replaced with heavy calcium powder of the same mass.
Comparative Example 6
The formula components, content and preparation method in this comparative example were the same as those in Example 1 ex- cept that mosquito repellent capsule was replaced with heavy cal- cium powder of the same mass. 300 g of the negative ion anti-mosquito interior wall coating obtained in Examples 1 to 3 and Comparative Examples 1 to 6 was evenly coated on a 50 cm*50 cm asbestos board, and allowed to dry naturally in a ventilated and shaded place for 7 days, to make an asbestos board for testing.
The asbestos board for testing was placed in a 100 cm*100 cm*100 cm glass experimental chamber which was placed in a sun- light shining place, with the air humidity in the cabin at 60-65% and the temperature at 23-25 °C. The negative ion release efficien- cy test of the coating was conducted, 24 hours later, an AIC-1000 negative ion detector was used to test the amount of released neg- ative ions. In 10 cm away from the coating in the experimental chamber, the released negative ions were counted every 2 min, and the average value of 10 counts was rounded up as the amount of negative ions released from the coating, and compared in parallel.
The asbestos boards for testing were placed horizontally in the center of the bottom of a 100 cm*100 cm*100 cm glass experi- mental chamber. The experimental chamber was placed in a sunlight shining place, and the air humidity was kept at 60-65% and the temperature was kept at 23-25 °C in the chamber. On five sides (up- per, front, back, left, right), square holes with a size of 10 cm*10 cm were formed, and 8 mosquito-sticking papers were pasted on the interior wall of the experimental chamber. The experimental chamber was evenly arranged in a chamber of 5 m*5 m*2 m (length, width and height were 5m, 5m, and 2m, respectively) where green plants were planted, and 200 mosquitoes were placed in the cham- ber, 48 h and 96 h later, the number of mosquitoes on the mosqui- to-sticking papers counted respectively.
The test results of various examples and comparative examples were as follows.
Count of released Number of mosqui- Number of mosqui-
Serial No. negative ions (/cm®) | toes on the mosquito- | toes on the mosquito- en en ee
Er [wo
Comparative 576 2 5
Example 1
Comparative 588 1 2
Example 2
Comparative 603 2 3
Example 3
Comparative 180 10
Example 4
Comparative 622 2 4
Example 5
Comparative 689 29 56
Example 6
According to the above comparative examples and examples, the negative ion anti-mosquito interior wall coating of the present disclosure could release 600 negative ions/ cm’, which could effec- tively improve the indoor environment. Most of mosquitoes acted outside the small experimental chamber. The present disclosure had a good mosquito repellent effect.
By comparing the data in Example 1 with those in Comparative
Example 1, it showed that the germanium powder and TiO. could ef- fectively stimulate the ability of tourmaline to release negative ions. By combining the data in Comparative Example 2 and Compara- tive Example 3, their excitation capabilities had a synergistic effect and were more effective than single-component excitation;
By comparing the data in Example 1 with those in Comparative
Example 1 and Comparative Example 4, it showed that the permanent electrodes of tourmaline could activate the molecular activity of the active components contained in the mosquito repellent micro- capsule while electrolyzing the surrounding water molecules to form negative ions, so as to achieve better mosquito repellent ef- fect;
By comparing the data in Example 1 with those in Comparative
Example 5, it showed that the addition of the zeolite powder in- troduced a micro-channel structure, which increased the surface area of the coating, increased the contact probability between tourmaline and water molecules, and enhanced the amount of re-
leased negative ions. At the same time, the micro-channel struc- ture made it easier for the active components contained in the mosquito repellent microcapsule inside the coating to migrate to the coating surface, which improved the mosquito repellent effect of the coating.
In the present disclosure, the natural ore raw materials that are safe and free of toxic and side effects are used as permanent negative ion release sources, and their functions are enhanced by germanite (the atomic arrangement in germanium crystal same as di- amond, hard and brittle, and stable chemical properties of germa- nium) and titanium dioxide. Meanwhile, through the microcapsule slow-release technology, the mosquito repellent function is added to the coating formula, and through building a micro-channel structure inside the coating by the zeolite, the effective release of negative ions and mosquito repellent components inside the coating can be achieved, thus negative ions can be released for a long time under natural light and heat conditions without addi- tional energy, creating an indoor air environment similar to for- ests and seasides. Meanwhile, the mechanical properties of the wall meet the standards and the interior wall coating has the ex- cellent effect of repelling mosquitoes. Compared with the common negative ion coating, the present disclosure does not contain risk components with high radioactivity; furthermore, compared with ra- re earth compounds, the activation components are inexpensive and easily available, with a broad application basis. Mosquito repel- lent components are wrapped in microcapsules and combined with the structure of micro-channel release, which not only ensures the long-term efficacy of mosquito repellent function, but also en- sures the efficient release of internal components. In addition, the micro-electrode structure of tourmaline can activate the mo- lecular activity of effective active components inside the mosqui- to repellent microcapsule, improve the permeability and diffusivi- ty and improve the effect.
The foregoing description merely describes the embodiments of the present disclosure, but the present disclosure is not limited to these embodiments. Any and all changes or improvements that are directly derived or associated by those skilled in the art without departing from the spirit and concept of the present disclosure shall fall within the scope of protection of the present disclo- sure.
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