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WO2002018699A1 - Grain antimoisissure, antimicrobien, a large spectre et a action prolongee, a argent nanometrique et procedes de production associes - Google Patents

Grain antimoisissure, antimicrobien, a large spectre et a action prolongee, a argent nanometrique et procedes de production associes Download PDF

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Publication number
WO2002018699A1
WO2002018699A1 PCT/CN2000/000257 CN0000257W WO0218699A1 WO 2002018699 A1 WO2002018699 A1 WO 2002018699A1 CN 0000257 W CN0000257 W CN 0000257W WO 0218699 A1 WO0218699 A1 WO 0218699A1
Authority
WO
WIPO (PCT)
Prior art keywords
silver
nano
acting
long
broad
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2000/000257
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English (en)
Chinese (zh)
Inventor
Siukwan Chan
Meihua Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Lange Scientific Technology Co Ltd
Original Assignee
Shanghai Lange Scientific Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Lange Scientific Technology Co Ltd filed Critical Shanghai Lange Scientific Technology Co Ltd
Priority to AU2000268169A priority Critical patent/AU2000268169A1/en
Priority to PCT/CN2000/000257 priority patent/WO2002018699A1/fr
Priority to CN00819855.1A priority patent/CN1461365A/zh
Publication of WO2002018699A1 publication Critical patent/WO2002018699A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/1062—Metals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/24—Heavy metals; Compounds thereof
    • A61K33/38—Silver; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/60—Agents for protection against chemical, physical or biological attack
    • C04B2103/67—Biocides

Definitions

  • the invention is a nano-silver long-acting broad-spectrum antibacterial mold-proof particle and a manufacturing method thereof, in particular to modify a non-metallic ore (silicate clay) having microporosity so as to have a broad-spectrum long-lasting antibacterial and antibacterial Mildew performance.
  • the housing environment and daily appliances do not have antibacterial, mildew and deodorizing effects, and the proliferation of microorganisms and bacteria in the living room, such as carpet syndrome, air conditioning syndrome, and pollution of electric water tanks, all affect people's physical and mental health. health. As people's health needs increase, antibacterial and anti-mildew functional products in various fields have emerged.
  • finishing antibacterial and anti-mildew functional finishing on textiles For example, finishing antibacterial and anti-mildew functional finishing on textiles; adding antibacterial agents to plastics of household appliances or food containers to have antibacterial and anti-mildew properties; adding transition metal oxides to architectural coatings, allowing organic matter and microorganisms to interact with them It is oxidized or decomposed; antibacterial substances are added to the ceramic glaze layer to prevent the proliferation and growth of bacteria on the dark and damp sanitary ware.
  • Chinese patent CN98126231. 7 discloses an antibacterial polymer material for home appliances, which is an antibacterial masterbatch comprising an antibacterial agent containing zeolite, zinc sulfate, zinc oxide, silver nitrate, polyethylene, and ethylene-vinyl acetate copolymer.
  • an antibacterial polymer material for home appliances which is an antibacterial masterbatch comprising an antibacterial agent containing zeolite, zinc sulfate, zinc oxide, silver nitrate, polyethylene, and ethylene-vinyl acetate copolymer.
  • the manufacturing method of this material is more complicated, and because of the poor compatibility and compatibility of zeolite and water, its application is limited.
  • ⁇ Literatures on such silver-based antibacterial substances adsorbed by zeolites can also be found in US 5,900,258 and the like.
  • Chinese patent 94118576 Chinese patent 94118576.
  • the purpose of the present invention is to overcome the shortcomings of the prior art, and to propose a long-acting broad-spectrum antibacterial mold-resistant granule with nano-silver and a method for manufacturing the same.
  • Architectural coatings, rubber products, etc. can also be applied to decorative textiles.
  • the object of the present invention is achieved by the following technical solutions: selecting attapulgite clay
  • Attapulgi te also known as Palygorski te in the literature
  • similar pore-shaped silicate as a carrier, using its large number of micropores, through chemical and physical methods, introducing nanoscale into its micropores
  • the silver-based antibacterial and anti-mold substance has a broad-spectrum antibacterial and anti-mold effect without changing the basic characteristics and uses of the attapulgite clay itself, and it can be applied to home appliance plastics, plastic films, architectural coatings, ceramics and rubber products. .
  • the present invention is characterized in that nano-level elements are attached to the surface and micropores of the attapulgite clay.
  • the present invention is also characterized by being manufactured according to the following proportions and manufacturing methods:
  • NaOH 1-3g
  • NH 3 ⁇ H 2 0 10-30ml
  • reducing agents such as formaldehyde or glucose or hydrogen peroxide.
  • Ag + can easily complex with specific genes (such as -SH) in negatively charged bacterial proteins, so that the active enzymes that the bacteria depend on can lose their activity, thereby achieving the purpose of sterilization.
  • silver is a relatively stable substance, which is basically insoluble in water, and its own bactericidal power and antibacterial spectrum are neither so strong nor so broad. Only by miniaturizing the silver material scale, it can reach 10— 9 M nanoscale, make full use of its surface effect. Small size effect and use of broad language, strong antibacterial, good stability, not only does not weaken the effect of water, but enhanced characteristics and in the process of killing pathogenic bacteria, not affected by the pH of the human body and so on. Nano-silver technology is a product based on the three basic disciplines of quantum chemistry, materials chemistry, and biochemistry. By miniaturizing the material scale of silver, it is brought to the nanometer level.
  • the surface structure Due to the greatly increased surface area, the surface structure also changes greatly, the surface activity is greatly enhanced, and it exhibits a very high specific function.
  • the MIC for pathogenic bacteria is 0.16 to 8.97 mg / ml
  • the MBC is 3.05 to 81.97 mg / ml
  • its bactericidal ability has been increased more than 200 times.
  • the present invention selects attapulgite clay with a large number of micropores in the structure.
  • it is a layered chain magnesia silicate, and the crystal includes a large number of pores.
  • the pores have a radius of 50-55A, and have special properties such as excellent adsorption, colloid and catalytic properties. Due to its Coulomb electrostatic force, it has strong adsorption on cations; at the same time, it also has strong cation exchange capacity. Therefore, silver ions can be adsorbed in their micropores and then reduced to silver by chemical reaction. Due to the limitation of the size of the micropores, the size of the elemental silver existing in the pores is also on the nanometer level, that is, on the nanometer level.
  • the present invention has the following significant features and significant improvements:
  • the carrier attapulgite clay used is not only low in cost, convenient to mine, but also extremely abundant in China. More importantly, it makes full use of its good compatibility. It has been used as a filling material in plastics, rubber, coatings and ceramics. Features widely used in other fields can increase its antibacterial, anti-mildew and deodorizing effect without affecting the manufacturing process in the field.
  • the particles of the present invention Due to the use of nanotechnology, the particles of the present invention have good antibacterial properties and a broad antibacterial spectrum, and have obvious killing effects on the following pathogenic bacteria and fungi.
  • Pyrococcus Staphylococcus aureus, Streptococcus type B, Pneumococcus, Meningococcus, Gonorrhea
  • Enterobacteria Escherichia coli, Shigella, Typhoid, Paratyphoid, Typhoid enterus, Enterobacter, Cholera suis, Proteus, Pneumoniae, Pseudomonas aeruginosa
  • Pathogenic fungi Candida albicans, Cryptococcus neoformans, Trichophyton gypsum, Trichophyton rubrum, Trichophyton rosacea, Trichophyton floccus, Trichophyton, Microcystis gypsum, Mucor, Aspergillus
  • the manufacturing method of the present invention is simple and easy to operate.
  • the modified clay particles of the present invention can be used in the fields of plastic products and films, rubber, coatings and ceramics without affecting Their performance.
  • the attapulgite clay as a carrier may be replaced by a pore-shaped silicate material such as bentonite, sepiolite, and diatomaceous earth.
  • a pore-shaped silicate material such as bentonite, sepiolite, and diatomaceous earth.
  • attapulgite clay is the best for producing antibacterial and antifungal effects.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Agronomy & Crop Science (AREA)
  • Epidemiology (AREA)
  • Plant Pathology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Dentistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

L'invention concerne un type de grain antimoisissure, antimicrobien, à large spectre et à action prolongée, à argent nanométrique ainsi que des procédés de production associés destinés à modifier les caractéristiques d'un minerai (silicate) non métallique à micropores multiples, consistant en particulier à laisser adhérer de l'argent de taille nanométrique sur la surface d'argile en bâtonnets concavo-convexes et dans les micropores et ainsi à lui conférer des propriétés antimoisissure et antimicrobienne à large spectre et de longue durée, ces propriétés permettant de l'utiliser dans la production de plastiques, de céramiques, de matériaux de construction, d'articles en caoutchouc et de textiles de décoration. Le produit de l'invention possède de bonnes propriétés antimicrobiennes, un large spectre antimicrobien, et les procédés sont simples et faciles à mettre en oeuvre.
PCT/CN2000/000257 2000-09-01 2000-09-01 Grain antimoisissure, antimicrobien, a large spectre et a action prolongee, a argent nanometrique et procedes de production associes Ceased WO2002018699A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2000268169A AU2000268169A1 (en) 2000-09-01 2000-09-01 A nanometre-silver, long-acting, broad spectrum, antimicrobial, mouldproof granule and its producing methods
PCT/CN2000/000257 WO2002018699A1 (fr) 2000-09-01 2000-09-01 Grain antimoisissure, antimicrobien, a large spectre et a action prolongee, a argent nanometrique et procedes de production associes
CN00819855.1A CN1461365A (zh) 2000-09-01 2000-09-01 一种纳米银长效广谱抗菌防霉颗粒及其制作方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2000/000257 WO2002018699A1 (fr) 2000-09-01 2000-09-01 Grain antimoisissure, antimicrobien, a large spectre et a action prolongee, a argent nanometrique et procedes de production associes

Publications (1)

Publication Number Publication Date
WO2002018699A1 true WO2002018699A1 (fr) 2002-03-07

Family

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Family Applications (1)

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PCT/CN2000/000257 Ceased WO2002018699A1 (fr) 2000-09-01 2000-09-01 Grain antimoisissure, antimicrobien, a large spectre et a action prolongee, a argent nanometrique et procedes de production associes

Country Status (3)

Country Link
CN (1) CN1461365A (fr)
AU (1) AU2000268169A1 (fr)
WO (1) WO2002018699A1 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6939568B2 (en) 2001-04-23 2005-09-06 Nucryst Pharmaceuticals Corp. Treatment of inflammatory skin conditions
US6989157B2 (en) 2000-07-27 2006-01-24 Nucryst Pharmaceuticals Corp. Dry powders of metal-containing compounds
US7001617B2 (en) 2001-04-23 2006-02-21 Nueryst Pharmaceuticals Corp. Method of induction of apoptosis and inhibition of matrix metalloproteinases using antimicrobial metals
US7008647B2 (en) 2001-04-23 2006-03-07 Nucryst Pharmaceuticals Corp. Treatment of acne
US7078060B2 (en) 2000-07-27 2006-07-18 Nucryst Pharmaceuticals Corp. Solutions and aerosols of metal-containing compounds
WO2006120135A1 (fr) * 2005-05-10 2006-11-16 Ciba Specialty Chemicals Holding Inc. Particules d'oxyde de silicium poreuses antimicrobiennes
US7137968B1 (en) 2000-03-13 2006-11-21 Nucryst Pharmaceuticals Corp. Transcutaneous medical device dressings and method of use
US7201925B2 (en) 2002-04-23 2007-04-10 Nueryst Pharmaceuticals Corp. Treatment of ungual and subungual diseases
US7255881B2 (en) 2000-07-27 2007-08-14 Nucryst Pharmaceuticals Corp. Metal-containing materials
WO2008003522A1 (fr) * 2006-07-05 2008-01-10 Janssen Pharmaceutica N.V. Procédé de production de nanoparticules métalliques
US7427416B2 (en) 2000-07-27 2008-09-23 Nucryst Pharmaceuticals Corp. Methods of treating conditions using metal-containing materials
US7470437B2 (en) 2000-07-27 2008-12-30 Nucryst Pharmaceuticals Corp. Methods of treating conditions with a metal-containing material
US8399027B2 (en) 2005-04-14 2013-03-19 3M Innovative Properties Company Silver coatings and methods of manufacture
US8454986B2 (en) 2008-01-04 2013-06-04 Janssen Pharmaceutica N.V. Silver nanoparticles with specific surface area and a method for producing them
US8865227B2 (en) 2007-12-20 2014-10-21 Smith & Nephew (Overseas) Limited Metal carbonate particles and methods of making thereof
CN104292673A (zh) * 2014-10-17 2015-01-21 四川明星电缆股份有限公司 一种电缆用防霉橡胶护套料
US9289450B2 (en) 2006-01-13 2016-03-22 3M Innovative Properties Company Silver-containing antimicrobial articles and methods of manufacture
CN112315976A (zh) * 2020-11-16 2021-02-05 山西大同大学 一种载银凹凸棒交联的可注射型抗菌复合水凝胶及其制备方法和应用
CN117986902A (zh) * 2024-01-11 2024-05-07 佛山市中瑞工业材料有限公司 一种长效抗菌抗病毒除醛粉及其制备方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1995158B (zh) * 2005-12-31 2011-02-09 西南科技大学 粘土基元-多功能涂料一体化生产工艺
CN101973064B (zh) * 2010-07-30 2011-09-21 许庆华 绿色凹凸棒软陶泥的生产方法
IT1402120B1 (it) * 2010-09-23 2013-08-28 Technokolla Societa Per Azioni Composizione di malta.
CN106916520A (zh) * 2017-03-22 2017-07-04 合肥浦尔菲电线科技有限公司 一种环保型家具漆及其制备方法
CN114342940A (zh) * 2022-01-25 2022-04-15 江苏经贸职业技术学院 一种新型纳米复合抗菌材料的制备方法
CN114682045B (zh) * 2022-03-17 2024-03-08 青岛华世洁环保科技有限公司 一种抗菌家用除湿转轮及其制备方法
CN116446221B (zh) * 2023-04-12 2024-02-23 江苏卫星新材料股份有限公司 具有纳米银抗菌涂层的纸

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1128188A (zh) * 1995-09-29 1996-08-07 中国科学院固体物理研究所 尺寸可控纳米级银的制备方法
CN1241662A (zh) * 1999-07-27 2000-01-19 蒋建华 纳米银长效广谱抗菌功能性织物及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1128188A (zh) * 1995-09-29 1996-08-07 中国科学院固体物理研究所 尺寸可控纳米级银的制备方法
CN1241662A (zh) * 1999-07-27 2000-01-19 蒋建华 纳米银长效广谱抗菌功能性织物及其制造方法

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7137968B1 (en) 2000-03-13 2006-11-21 Nucryst Pharmaceuticals Corp. Transcutaneous medical device dressings and method of use
US7470437B2 (en) 2000-07-27 2008-12-30 Nucryst Pharmaceuticals Corp. Methods of treating conditions with a metal-containing material
US6989157B2 (en) 2000-07-27 2006-01-24 Nucryst Pharmaceuticals Corp. Dry powders of metal-containing compounds
US7427416B2 (en) 2000-07-27 2008-09-23 Nucryst Pharmaceuticals Corp. Methods of treating conditions using metal-containing materials
US7255881B2 (en) 2000-07-27 2007-08-14 Nucryst Pharmaceuticals Corp. Metal-containing materials
US7078060B2 (en) 2000-07-27 2006-07-18 Nucryst Pharmaceuticals Corp. Solutions and aerosols of metal-containing compounds
US7087249B2 (en) 2001-04-23 2006-08-08 Nucryst Pharmaceuticals Corp. Treatment of mucosal membranes
US6939568B2 (en) 2001-04-23 2005-09-06 Nucryst Pharmaceuticals Corp. Treatment of inflammatory skin conditions
US7008647B2 (en) 2001-04-23 2006-03-07 Nucryst Pharmaceuticals Corp. Treatment of acne
US7001617B2 (en) 2001-04-23 2006-02-21 Nueryst Pharmaceuticals Corp. Method of induction of apoptosis and inhibition of matrix metalloproteinases using antimicrobial metals
US6989156B2 (en) 2001-04-23 2006-01-24 Nucryst Pharmaceuticals Corp. Therapeutic treatments using the direct application of antimicrobial metal compositions
US7201925B2 (en) 2002-04-23 2007-04-10 Nueryst Pharmaceuticals Corp. Treatment of ungual and subungual diseases
US8399027B2 (en) 2005-04-14 2013-03-19 3M Innovative Properties Company Silver coatings and methods of manufacture
WO2006120135A1 (fr) * 2005-05-10 2006-11-16 Ciba Specialty Chemicals Holding Inc. Particules d'oxyde de silicium poreuses antimicrobiennes
US9289450B2 (en) 2006-01-13 2016-03-22 3M Innovative Properties Company Silver-containing antimicrobial articles and methods of manufacture
WO2008003522A1 (fr) * 2006-07-05 2008-01-10 Janssen Pharmaceutica N.V. Procédé de production de nanoparticules métalliques
US8455226B2 (en) 2006-07-05 2013-06-04 Janssen Pharmaceutica N.V. Method for producing metal nanoparticles
US8865227B2 (en) 2007-12-20 2014-10-21 Smith & Nephew (Overseas) Limited Metal carbonate particles and methods of making thereof
US8454986B2 (en) 2008-01-04 2013-06-04 Janssen Pharmaceutica N.V. Silver nanoparticles with specific surface area and a method for producing them
CN104292673A (zh) * 2014-10-17 2015-01-21 四川明星电缆股份有限公司 一种电缆用防霉橡胶护套料
CN112315976A (zh) * 2020-11-16 2021-02-05 山西大同大学 一种载银凹凸棒交联的可注射型抗菌复合水凝胶及其制备方法和应用
CN112315976B (zh) * 2020-11-16 2022-10-11 山西大同大学 一种载银凹凸棒交联的可注射型抗菌复合水凝胶及其制备方法和应用
CN117986902A (zh) * 2024-01-11 2024-05-07 佛山市中瑞工业材料有限公司 一种长效抗菌抗病毒除醛粉及其制备方法
CN117986902B (zh) * 2024-01-11 2024-07-26 佛山市中瑞工业材料有限公司 一种长效抗菌抗病毒除醛粉及其制备方法

Also Published As

Publication number Publication date
AU2000268169A1 (en) 2002-03-13
CN1461365A (zh) 2003-12-10

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