CN117025041A - Mildew-proof antibacterial antiviral interior wall coating and preparation method thereof - Google Patents
Mildew-proof antibacterial antiviral interior wall coating and preparation method thereof Download PDFInfo
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 59
- 230000000840 anti-viral effect Effects 0.000 title claims abstract description 58
- 238000000576 coating method Methods 0.000 title claims abstract description 50
- 239000011248 coating agent Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000003973 paint Substances 0.000 claims abstract description 45
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 30
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 26
- YRCWQPVGYLYSOX-VIFPVBQESA-N D-synephrine Chemical compound CNC[C@H](O)C1=CC=C(O)C=C1 YRCWQPVGYLYSOX-VIFPVBQESA-N 0.000 claims abstract description 17
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 10
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 10
- 239000004640 Melamine resin Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 31
- 229920000858 Cyclodextrin Polymers 0.000 claims description 18
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002270 dispersing agent Substances 0.000 claims description 12
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001116 FEMA 4028 Substances 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 claims description 8
- 235000011175 beta-cyclodextrine Nutrition 0.000 claims description 8
- 229960004853 betadex Drugs 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005923 long-lasting effect Effects 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- -1 1-(4-hydroxyphenyl)-2-(methylamino) (Amino) ethanol Chemical compound 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09D161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- 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
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- 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
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- 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
- C09D7/65—Additives macromolecular
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- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/329—Phosphorus containing acids
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
本发明公开了一种防霉抗菌抗病毒内墙涂料及其制备方法，所述防霉抗菌抗病毒内墙涂料包括如下重量含量原料：丙烯酸树脂50重量份、三聚氰胺树脂50重量份、季铵盐10‑20重量份、1‑(4‑羟基苯基)‑2‑(甲基氨基)乙醇2‑5重量份。该防霉抗菌抗病毒内墙涂料通过在丙烯酸树脂和三聚氰胺树脂中加入季铵盐，赋予防霉抗菌抗病毒内墙涂料长效抗菌抗病毒功效；1‑(4‑羟基苯基)‑2‑(甲基氨基)乙醇与季铵盐自组装形成稳定的层状结构，有效的防止季铵盐的加入导致的涂膜难以硬化的问题；且1‑(4‑羟基苯基)‑2‑(甲基氨基)乙醇与丙烯酸树脂、三聚氰胺树脂存在氢键作用，使季铵盐稳定地存在于防霉抗菌抗病毒内墙涂料中，使防霉抗菌抗病毒内墙涂料具有长久的抗菌抗病毒性。The invention discloses an anti-mildew, anti-bacterial and anti-viral interior wall paint and a preparation method thereof. The anti-mildew, anti-bacterial and anti-viral interior wall paint includes raw materials with the following weight contents: 50 parts by weight of acrylic resin, 50 parts by weight of melamine resin, and quaternary ammonium salt. 10-20 parts by weight, 2-5 parts by weight of 1-(4-hydroxyphenyl)-2-(methylamino)ethanol. This anti-mildew, anti-bacterial and anti-viral interior wall paint adds quaternary ammonium salts to acrylic resin and melamine resin to give the anti-mildew, anti-bacterial and anti-viral interior wall paint long-lasting anti-bacterial and anti-viral effects; 1-(4-hydroxyphenyl)-2- (Methylamino)ethanol and quaternary ammonium salt self-assemble to form a stable layered structure, which effectively prevents the problem of difficulty in hardening the coating film caused by the addition of quaternary ammonium salt; and 1-(4-hydroxyphenyl)-2-( Methylamino) ethanol has a hydrogen bonding effect with acrylic resin and melamine resin, which allows the quaternary ammonium salt to stably exist in the anti-mildew, anti-bacterial and anti-viral interior wall paint, making the anti-mildew, anti-bacterial and anti-viral interior wall paint have long-term anti-bacterial and anti-viral properties .
Description
技术领域Technical field
本发明属于涂料领域，尤其涉及一种防霉抗菌抗病毒内墙涂料及其制备方法。The invention belongs to the field of coatings, and in particular relates to an anti-mildew, antibacterial and antiviral interior wall coating and a preparation method thereof.
背景技术Background technique
墙面是我们日常生活中经常接触的地方，也是微生物容易聚集的地方，尤其是医院里的墙面聚集了大量的有害致病菌，当人们的手触碰到这些病菌时，极容易造成自身的感染以及病菌在人群中的传播。因此赋予墙面抗菌抗病毒能力是防控微生物感染与传播的关键。其中最简单有效的方法是在墙面的最外层涂上一层具有抗菌抗病毒性的涂料。因此对涂料进行抗菌抗病毒改性不仅有实用价值，且有重要意义。Walls are places we often come into contact with in our daily lives, and they are also places where microorganisms easily gather. Especially in hospitals, walls gather a large number of harmful pathogenic bacteria. When people touch these germs with their hands, they can easily cause their own disease. infections and the spread of germs among people. Therefore, giving walls antibacterial and antiviral capabilities is the key to preventing and controlling microbial infection and spread. The simplest and most effective method is to apply a layer of antibacterial and antiviral paint on the outermost layer of the wall. Therefore, antibacterial and antiviral modification of coatings not only has practical value, but also has important significance.
丙烯酸-三聚氰胺涂料主要是由丙烯酸树脂与三聚氰胺树脂制得，可用于制备内墙涂料，具有良好的耐刮伤性、耐抛光、耐沾污性、耐候性、耐油及耐溶剂性等优异性能，广泛用于墙面建筑中，但丙烯酸-三聚氰胺涂料抗菌抗病毒性能差。季铵盐是一种长效的有机抗菌剂，将季铵盐加入丙烯酸-三聚氰胺涂料中能有效地改善丙烯酸-三聚氰胺涂料的抗菌抗病毒性能，但在丙烯酸-三聚氰胺涂料中添加季铵盐，则会使涂膜难以硬化，所制得的涂料的硬度和耐溶剂性能下降。Acrylic-melamine paint is mainly made from acrylic resin and melamine resin. It can be used to prepare interior wall paint. It has excellent properties such as good scratch resistance, polish resistance, stain resistance, weather resistance, oil resistance and solvent resistance. It is widely used in wall construction, but acrylic-melamine paint has poor antibacterial and antiviral properties. Quaternary ammonium salt is a long-lasting organic antibacterial agent. Adding quaternary ammonium salt to acrylic-melamine paint can effectively improve the antibacterial and antiviral properties of acrylic-melamine paint. However, adding quaternary ammonium salt to acrylic-melamine paint will It will make it difficult for the coating film to harden, and the hardness and solvent resistance of the resulting coating will decrease.
发明内容Contents of the invention
针对现有技术的不足，本发明提供一种防霉抗菌抗病毒内墙涂料，该防霉抗菌抗病毒内墙涂料通过在丙烯酸树脂和三聚氰胺树脂中加入季铵盐，改善丙烯酸-三聚氰胺涂料的抗菌抗病毒性能，赋予丙烯酸-三聚氰胺涂料长效抗菌抗病毒功效；加入1-(4-羟基苯基)-2-(甲基氨基)乙醇，1-(4-羟基苯基)-2-(甲基氨基)乙醇与季铵盐自组装形成稳定的层状结构，有效的防止季铵盐的加入导致的涂膜难以硬化的问题；且1-(4-羟基苯基)-2-(甲基氨基)乙醇与丙烯酸-三聚氰胺涂料存在氢键作用，使得季铵盐不易地从涂膜中溶出，从而使季铵盐稳定地存在于丙烯酸-三聚氰胺涂料中，使丙烯酸-三聚氰胺涂料具有长久的抗菌抗病毒性。In view of the shortcomings of the existing technology, the present invention provides an anti-mildew, anti-bacterial and anti-viral interior wall coating. The anti-mildew, anti-bacterial and anti-viral interior wall coating improves the antibacterial properties of acrylic-melamine coatings by adding quaternary ammonium salts to acrylic resin and melamine resin. Antiviral properties, giving acrylic-melamine paint long-lasting antibacterial and antiviral effects; adding 1-(4-hydroxyphenyl)-2-(methylamino)ethanol, 1-(4-hydroxyphenyl)-2-(methylamino) (Amino) ethanol and quaternary ammonium salt self-assemble to form a stable layered structure, which effectively prevents the problem of difficulty in hardening the coating film caused by the addition of quaternary ammonium salt; and 1-(4-hydroxyphenyl)-2-(methyl There is a hydrogen bonding effect between amino) ethanol and acrylic-melamine paint, which makes the quaternary ammonium salt difficult to dissolve from the coating film, so that the quaternary ammonium salt stably exists in the acrylic-melamine paint, making the acrylic-melamine paint have long-term antibacterial resistance. Virality.
本发明的目的在于提供一种防霉抗菌抗病毒内墙涂料，所述防霉抗菌抗病毒内墙涂料包括如下重量含量原料：The object of the present invention is to provide an anti-mildew, anti-bacterial and anti-viral interior wall coating, which contains the following raw materials by weight:
本发明通过在丙烯酸-三聚氰胺涂料中加入季铵盐，改善丙烯酸-三聚氰胺涂料的抗菌抗病毒性能，赋予丙烯酸-三聚氰胺涂料长效抗菌抗病毒功效；加入1-(4-羟基苯基)-2-(甲基氨基)乙醇，1-(4-羟基苯基)-2-(甲基氨基)乙醇与季铵盐自组装形成稳定的层状结构，使1-(4-羟基苯基)-2-(甲基氨基)乙醇有序的排列于季铵盐的层状结构之间，有效的防止季铵盐的加入导致的涂膜难以硬化的问题；且1-(4-羟基苯基)-2-(甲基氨基)乙醇与丙烯酸-三聚氰胺涂料存在氢键作用，使得季铵盐不易地从涂膜中溶出，从而使季铵盐稳定地存在于丙烯酸-三聚氰胺涂料中，使丙烯酸-三聚氰胺涂料具有长久的抗菌抗病毒性。The present invention improves the antibacterial and antiviral properties of the acrylic-melamine coating by adding quaternary ammonium salt to the acrylic-melamine coating, and gives the acrylic-melamine coating long-term antibacterial and antiviral effects; adding 1-(4-hydroxyphenyl)-2- (Methylamino)ethanol, 1-(4-hydroxyphenyl)-2-(methylamino)ethanol and quaternary ammonium salt self-assemble to form a stable layered structure, making 1-(4-hydroxyphenyl)-2 -(Methylamino)ethanol is orderly arranged between the layered structures of quaternary ammonium salts, effectively preventing the problem of difficulty in hardening the coating film caused by the addition of quaternary ammonium salts; and 1-(4-hydroxyphenyl)- There is a hydrogen bonding effect between 2-(methylamino)ethanol and acrylic-melamine paint, which makes the quaternary ammonium salt difficult to dissolve from the coating film, so that the quaternary ammonium salt stably exists in the acrylic-melamine paint, making the acrylic-melamine paint Has long-lasting antibacterial and antiviral properties.
优选地，所述季铵盐的结构式如下所示：Preferably, the structural formula of the quaternary ammonium salt is as follows:
其中，R1、R2、R3表示碳原子数为4～18的烷基，R4表示碳原子数为1～4的烷基，X表示卤原子。 Among them, R 1 , R 2 and R 3 represent an alkyl group having 4 to 18 carbon atoms, R 4 represents an alkyl group having 1 to 4 carbon atoms, and X represents a halogen atom.
优选地，季铵盐的结构式如下所示：Preferably, the structural formula of the quaternary ammonium salt is as follows:
其中，R1、R2、R3表示碳原子数为16的烷基，R4表示碳原子数为1的烷基，X表示卤原子。 Among them, R 1 , R 2 and R 3 represent an alkyl group having 16 carbon atoms, R 4 represents an alkyl group having 1 carbon atom, and X represents a halogen atom.
优选地，所述防霉抗菌抗病毒内墙涂料还包括1-3重量份的磷酸。Preferably, the anti-mildew, anti-bacterial and anti-viral interior wall coating further includes 1-3 parts by weight of phosphoric acid.
本发明通过在防霉抗菌抗病毒内墙涂料中加入磷酸，磷酸具有促进涂膜硬化的作用，改善防霉抗菌抗病毒内墙涂料难以硬化的性能。The present invention adds phosphoric acid to the anti-mildew, anti-bacterial and anti-viral interior wall paint. The phosphoric acid has the effect of promoting the hardening of the coating film and improves the performance of the anti-mildew, anti-bacterial and anti-viral interior wall paint that is difficult to harden.
优选地，所述防霉抗菌抗病毒内墙涂料还包括5-8重量份的环糊精。Preferably, the anti-mildew, anti-bacterial and anti-viral interior wall coating further includes 5-8 parts by weight of cyclodextrin.
本发明在涂料中加入磷酸虽然能改善防霉抗菌抗病毒内墙涂料难以硬化的问题，但磷酸的加入易与季铵盐产生沉淀物，进而导致涂膜外观不平整，而环糊精的加入可有效地防止磷酸与季铵盐产生沉淀物，可能的原因是环糊精与磷酸形成包合物，从而有效的防止沉淀物的产生。Although the addition of phosphoric acid to the paint in the present invention can improve the problem of difficulty in hardening of anti-mildew, anti-bacterial and anti-viral interior wall paints, the addition of phosphoric acid can easily produce precipitates with quaternary ammonium salts, resulting in an uneven appearance of the coating film, and the addition of cyclodextrin It can effectively prevent the formation of precipitates between phosphoric acid and quaternary ammonium salts. The possible reason is that cyclodextrin and phosphoric acid form inclusion complexes, thereby effectively preventing the formation of precipitates.
优选地，所述环糊精的数均分子量为1000～2000g/mol。Preferably, the number average molecular weight of the cyclodextrin is 1000-2000g/mol.
优选地，所述环糊精选自β-环糊精。Preferably, the cyclodextrin is selected from β-cyclodextrin.
优选地，所述防霉抗菌抗病毒内墙涂料还包括1-5重量份的防沉剂。Preferably, the anti-mildew, anti-bacterial and anti-viral interior wall coating also includes 1-5 parts by weight of an anti-settling agent.
本发明通过加入防沉剂，可改善磷酸与季铵盐的加入带来的沉淀现象。By adding an anti-settling agent, the present invention can improve the precipitation phenomenon caused by the addition of phosphoric acid and quaternary ammonium salt.
优选地，所述防沉剂选自聚乙烯蜡。Preferably, the anti-settling agent is selected from polyethylene wax.
优选地，所述防霉抗菌抗病毒内墙涂料还包括1-5重量份的分散剂。Preferably, the anti-mildew, anti-bacterial and anti-viral interior wall coating further includes 1-5 parts by weight of a dispersant.
本发明通过加入分散剂，使季铵盐、1-(4-羟基苯基)-2-(甲基氨基)乙醇、磷酸等物质均匀的分散在防霉抗菌抗病毒内墙涂料中，有利于季铵盐和1-(4-羟基苯基)-2-(甲基氨基)乙醇充分接触，自组装形成层状结构。By adding a dispersant, the present invention can uniformly disperse quaternary ammonium salt, 1-(4-hydroxyphenyl)-2-(methylamino)ethanol, phosphoric acid and other substances in the anti-mildew, antibacterial and antiviral interior wall paint, which is beneficial to The quaternary ammonium salt and 1-(4-hydroxyphenyl)-2-(methylamino)ethanol are fully contacted and self-assembled to form a layered structure.
优选地，所述分散剂选自聚氨酯类分散剂、丙烯酸酯类分散剂中的一种或两种。Preferably, the dispersant is selected from one or both of polyurethane dispersants and acrylate dispersants.
本发明的再一目的在于提供一种防霉抗菌抗病毒内墙涂料的制备方法，包括如下步骤：Another object of the present invention is to provide a method for preparing an anti-mildew, anti-bacterial and anti-viral interior wall paint, which includes the following steps:
将丙烯酸树脂50重量份、三聚氰胺树脂50重量份、季铵盐10-20重量份、1-(4-羟基苯基)-2-(甲基氨基)乙醇2-5重量份充分混合，搅拌均匀；加入1-3重量份的磷酸和5-8重量份的环糊精，搅拌均匀；然后依次加入1-5重量份的防沉剂和1-5重量份的分散剂，搅拌均匀；过滤，出料，得防霉抗菌抗病毒内墙涂料。Thoroughly mix 50 parts by weight of acrylic resin, 50 parts by weight of melamine resin, 10-20 parts by weight of quaternary ammonium salt, and 2-5 parts by weight of 1-(4-hydroxyphenyl)-2-(methylamino)ethanol, and stir evenly. ;Add 1-3 parts by weight of phosphoric acid and 5-8 parts by weight of cyclodextrin, stir evenly; then add 1-5 parts by weight of anti-settling agent and 1-5 parts by weight of dispersant, stir evenly; filter, Out of the materials, get anti-mildew, anti-bacterial and anti-viral interior wall coatings.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本发明中的技术方案，下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only Some embodiments of the present invention are not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall within the scope of protection of the present invention.
实施例1：防霉抗菌抗病毒内墙涂料的制备。Example 1: Preparation of anti-mildew, antibacterial and antiviral interior wall paint.
将丙烯酸树脂50重量份、三聚氰胺树脂50重量份、十二烷基三甲基氯化铵10重量份、1-(4-羟基苯基)-2-(甲基氨基)乙醇2重量份充分混合，搅拌均匀；加入3重量份的磷酸和8重量份的β-环糊精，搅拌均匀；然后依次加入5重量份的聚乙烯蜡和5重量份的聚氨酯类分散剂，搅拌均匀；过滤，出料，得防霉抗菌抗病毒内墙涂料。Thoroughly mix 50 parts by weight of acrylic resin, 50 parts by weight of melamine resin, 10 parts by weight of dodecyltrimethylammonium chloride, and 2 parts by weight of 1-(4-hydroxyphenyl)-2-(methylamino)ethanol. , stir evenly; add 3 parts by weight of phosphoric acid and 8 parts by weight of β-cyclodextrin, stir evenly; then add 5 parts by weight of polyethylene wax and 5 parts by weight of polyurethane dispersant in sequence, stir evenly; filter and remove Materials, get anti-mildew, anti-bacterial and anti-viral interior wall coatings.
所述β-环糊精的数均分子量为2000g/mol。The number average molecular weight of the β-cyclodextrin is 2000g/mol.
实施例2：防霉抗菌抗病毒内墙涂料的制备。Example 2: Preparation of anti-mildew, antibacterial and antiviral interior wall paint.
将丙烯酸树脂50重量份、三聚氰胺树脂50重量份、十八烷基三甲基氯化铵20重量份、1-(4-羟基苯基)-2-(甲基氨基)乙醇5重量份充分混合，搅拌均匀；加入1重量份的磷酸和5重量份的β-环糊精，搅拌均匀；然后依次加入1重量份的聚乙烯蜡和1重量份的丙烯酸酯类分散剂，搅拌均匀；过滤，出料，得防霉抗菌抗病毒内墙涂料。Thoroughly mix 50 parts by weight of acrylic resin, 50 parts by weight of melamine resin, 20 parts by weight of stearyltrimethylammonium chloride, and 5 parts by weight of 1-(4-hydroxyphenyl)-2-(methylamino)ethanol. , stir evenly; add 1 part by weight of phosphoric acid and 5 parts by weight of β-cyclodextrin, stir evenly; then add 1 part by weight of polyethylene wax and 1 part by weight of acrylic dispersant, stir evenly; filter, Out of the materials, get anti-mildew, anti-bacterial and anti-viral interior wall coatings.
所述β-环糊精的数均分子量为1000g/mol。The number average molecular weight of the β-cyclodextrin is 1000g/mol.
实施例3：防霉抗菌抗病毒内墙涂料的制备。Example 3: Preparation of anti-mildew, antibacterial and antiviral interior wall paint.
将丙烯酸树脂50重量份、三聚氰胺树脂50重量份、十六烷基三甲基氯化铵15重量份、1-(4-羟基苯基)-2-(甲基氨基)乙醇4重量份充分混合，搅拌均匀；加入2重量份的磷酸和6重量份的β-环糊精，搅拌均匀；然后依次加入3重量份的聚乙烯蜡和3重量份的丙烯酸酯类分散剂，搅拌均匀；过滤，出料，得防霉抗菌抗病毒内墙涂料。Thoroughly mix 50 parts by weight of acrylic resin, 50 parts by weight of melamine resin, 15 parts by weight of cetyltrimethylammonium chloride, and 4 parts by weight of 1-(4-hydroxyphenyl)-2-(methylamino)ethanol. , stir evenly; add 2 parts by weight of phosphoric acid and 6 parts by weight of β-cyclodextrin, stir evenly; then add 3 parts by weight of polyethylene wax and 3 parts by weight of acrylic dispersant, stir evenly; filter, Out of the materials, get anti-mildew, anti-bacterial and anti-viral interior wall coatings.
对比例1：涂料的制备。Comparative Example 1: Preparation of paint.
不添加1-(4-羟基苯基)-2-(甲基氨基)乙醇，其余步骤与实施例3相同。No 1-(4-hydroxyphenyl)-2-(methylamino)ethanol was added, and the remaining steps were the same as in Example 3.
对比例2：涂料的制备。Comparative Example 2: Preparation of paint.
不添加磷酸，其余步骤与实施例3相同。No phosphoric acid was added, and the remaining steps were the same as in Example 3.
对比例3：涂料的制备。Comparative Example 3: Preparation of paint.
不添加β-环糊精，其余步骤与实施例3相同。No β-cyclodextrin is added, and the remaining steps are the same as in Example 3.
对比例4：涂料的制备。Comparative Example 4: Preparation of paint.
不添加聚乙烯蜡，其余步骤与实施例3相同。No polyethylene wax is added, and the remaining steps are the same as in Example 3.
对比例5：涂料的制备。Comparative Example 5: Preparation of paint.
不添加丙烯酸酯类分散剂，其余步骤与实施例3相同。No acrylic dispersant is added, and the remaining steps are the same as in Example 3.
对比例6：涂料的制备。Comparative Example 6: Preparation of paint.
将1-(4-羟基苯基)-2-(甲基氨基)乙醇替换成对苯二酚，其余步骤与实施例3相同。Replace 1-(4-hydroxyphenyl)-2-(methylamino)ethanol with hydroquinone, and the remaining steps are the same as in Example 3.
对比例7：涂料的制备。Comparative Example 7: Preparation of paint.
将1-(4-羟基苯基)-2-(甲基氨基)乙醇替换成乙二醇，其余步骤与实施例3相同。Replace 1-(4-hydroxyphenyl)-2-(methylamino)ethanol with ethylene glycol, and the remaining steps are the same as in Example 3.
性能测试：Performance Testing:
抗菌抗病毒测试：将实施例1-3和对比例1-7制备的涂料涂覆并固化成涂膜，涂膜厚度为10～15μm，将各涂膜置于1m3的密闭空间内，控制涂膜面积为1m2，将分别在各涂膜上接种0.4mL菌液和病毒液，计算20分钟后各涂膜的细菌杀灭率和病毒杀灭率，试验菌为：大肠杆菌、金黄色葡萄球菌；试验病毒为：H1N1、H3N2。Antibacterial and antiviral test: The coatings prepared in Examples 1-3 and Comparative Examples 1-7 were applied and solidified into coating films. The thickness of the coating films was 10-15 μm. Each coating film was placed in a closed space of 1m3 and controlled. The coating film area is 1m 2 . 0.4mL of bacterial liquid and virus liquid will be inoculated on each coating film respectively. The bacterial killing rate and virus killing rate of each coating film will be calculated after 20 minutes. The test bacteria are: Escherichia coli, golden yellow Staphylococcus aureus; test viruses are: H1N1, H3N2.
涂膜外观测试：用显微镜(金属显微镜“BX41M-LED”、OLYMPUS社制，倍率100倍(目镜10倍、物镜10倍))观察涂膜表面，计数直径30μm以上的异物。每单位面积(1cm2)中直径150μm以上的异物小于30个时，外观评价为平整；直径150μm以上的异物为30个以上、50个以下时，外观评价为轻微不平整；直径150μm以上的异物为50个以上时，外观评价为严重不平整。Coating film appearance test: Use a microscope (metal microscope "BX41M-LED", manufactured by OLYMPUS Co., Ltd., magnification 100 times (eyepiece 10 times, objective lens 10 times)) to observe the surface of the coating film, and count foreign matter with a diameter of 30 μm or more. When there are less than 30 foreign objects with a diameter of 150 μm or more per unit area (1cm 2 ), the appearance is evaluated as smooth; when there are more than 30 and less than 50 foreign objects with a diameter of 150 μm or more, the appearance is evaluated as slightly uneven; foreign objects with a diameter of 150 μm or more are evaluated as slightly uneven. When the number is 50 or more, the appearance is evaluated to be severely uneven.
涂膜表面硬度测试：将铅笔用砂纸研磨至笔芯前端平整，相对于试验面以45°的角度使其接触，以不折损笔芯的程度以最大限度下压，同时以1cm/s的速度将试料向前方挤出来刮擦涂面，目视判断是否有损伤。进行5次试验，记录进行了5次在涂面都没有损伤的最高硬度，作为铅笔硬度。铅笔硬度为B以下时，表面硬度评价为不合格，为HB以上时，表面硬度评价为合格。Coating film surface hardness test: Grind the pencil with sandpaper until the front end of the pen core is flat, make contact with it at an angle of 45° relative to the test surface, press down to the maximum extent without damaging the pen core, and at the same time press it at 1cm/s Extrude the sample forward at high speed and scratch the coating surface to visually determine whether there is any damage. Conduct 5 tests and record the highest hardness without damage to the coated surface as the pencil hardness. When the pencil hardness is B or less, the surface hardness is evaluated as failed, and when it is HB or more, the surface hardness is evaluated as acceptable.
表1.实施例1-3和对比例1-7的防霉抗菌抗病毒内墙涂料的涂膜的测试结果。Table 1. Test results of the coating films of the antifungal, antibacterial and antiviral interior wall coatings of Examples 1-3 and Comparative Examples 1-7.
由表1可知，实施例1-3制得的涂料具有良好的抗菌抗病毒活性，所形成的涂膜外观平整、硬度高。It can be seen from Table 1 that the coatings prepared in Examples 1-3 have good antibacterial and antiviral activities, and the formed coating films have a smooth appearance and high hardness.
最后应当说明的是，以上实施例仅用以说明本发明的技术方案而非对其限制，尽管参照上述实施例对本发明进行了详细的说明，所属领域的普通技术人员应当理解，技术人员阅读本申请说明书后依然可以对本发明的具体实施方式进行修改或者等同替换，但这些修改或变更均未脱离本发明申请待批权利要求保护范围之内。Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that those skilled in the art should read this document. Modifications or equivalent substitutions can still be made to the specific embodiments of the present invention after the specification is filed, but these modifications or changes do not depart from the scope of protection of the pending claims of the present invention.
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