WO2012059943A3 - Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositons thereof - Google Patents

Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositons thereof Download PDF

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Publication number
WO2012059943A3
WO2012059943A3 PCT/IN2011/000757 IN2011000757W WO2012059943A3 WO 2012059943 A3 WO2012059943 A3 WO 2012059943A3 IN 2011000757 W IN2011000757 W IN 2011000757W WO 2012059943 A3 WO2012059943 A3 WO 2012059943A3
Authority
WO
WIPO (PCT)
Prior art keywords
silver nanoparticles
pale yellow
range
aqueous dispersion
yellow coloured
Prior art date
Application number
PCT/IN2011/000757
Other languages
French (fr)
Other versions
WO2012059943A4 (en
WO2012059943A2 (en
Inventor
Ashwini K. Agrawal
Manjeet Jassal
Sangita Paul
Ganesh Srinivasan
Gayatri Hela Pamidipati
Original Assignee
Indian Institute Of Technology, Delhi
Resil Chemicals Private Limited
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 Indian Institute Of Technology, Delhi, Resil Chemicals Private Limited filed Critical Indian Institute Of Technology, Delhi
Priority to GB1309647.4A priority Critical patent/GB2503347B/en
Publication of WO2012059943A2 publication Critical patent/WO2012059943A2/en
Publication of WO2012059943A3 publication Critical patent/WO2012059943A3/en
Publication of WO2012059943A4 publication Critical patent/WO2012059943A4/en

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Classifications

    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Inorganic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The present invention provides pale yellow coloured aqueous dispersion of silver nanoparticles and process for preparation thereof. The present invention also provides compositions comprising pale yellow coloured aqueous dispersion of silver nanoparticles for use as antimicrobial finish compositions to be applied on textiles and other substrates. The pale yellow coloured aqueous dispersion comprising silver nanoparticles wherein the dispersion is characterized in - having a single plasmonic peak in the range of 390 to 410 nm in UV-Vis spectrum, - the dispersion having silver nanoparticles of spherical shape with majority of particles (>65%) having equivalent diameter in range of 0.2 to 4 nm, - molar extinction coefficient greater than 12 mM-1 cm-1 preferably in the range of 12 to 21 mM-1 cm-1 at wavelength of maximum absorption in the range of 390-410 nm, - Dispersion stability of at least 15 months, - Minimum Bactericidal Concentration (MBC) lower than 0.3 ppm preferably in the range of 0.03-0.25 ppm.
PCT/IN2011/000757 2010-11-02 2011-11-02 Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositons thereof WO2012059943A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1309647.4A GB2503347B (en) 2010-11-02 2011-11-02 Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositions thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2628DE2010 2010-11-02
IN2628/DEL/2010 2010-11-02

Publications (3)

Publication Number Publication Date
WO2012059943A2 WO2012059943A2 (en) 2012-05-10
WO2012059943A3 true WO2012059943A3 (en) 2012-07-26
WO2012059943A4 WO2012059943A4 (en) 2012-09-13

Family

ID=45217599

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2011/000757 WO2012059943A2 (en) 2010-11-02 2011-11-02 Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositons thereof

Country Status (2)

Country Link
GB (1) GB2503347B (en)
WO (1) WO2012059943A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112014028497A2 (en) * 2012-05-21 2017-06-27 Novatec Healthcare Company Ltd wound dressing comprising biocellulose and silver nanoparticles
PL231410B1 (en) * 2013-06-10 2019-02-28 Inst Chemii Fizycznej Polskiej Akademii Nauk Process of modifying the surface by nano-composite material and its use
PL229030B1 (en) * 2014-03-13 2018-05-30 Zygmunt Jerzy Szymański Bactericidal nanopreparation
US20160317405A1 (en) 2015-04-30 2016-11-03 International Flavors & Fragrances Inc. Nano silver for neutralizing thermoplastic bag and shoe malodors
PL230335B1 (en) * 2015-07-01 2018-10-31 Smart Nanotechnologies Spolka Z Ograniczona Odpowiedzialnoscia Silver nanomaterial of biocidal layer, for porous surfaces and method for producing the biocidal layer silver nanomaterial
JP2022547254A (en) * 2019-08-29 2022-11-11 ソシエテ ビック Process for preparation of water-based gel ink with fixed color containing silver nanoparticles
CN113125429B (en) * 2021-04-21 2023-06-20 四川大学 Nano silver colorimetric sensor and preparation method and application thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006132643A2 (en) * 2004-06-30 2006-12-14 Northwestern University Methods of making metal nanoprisms having a predetermined thickness
WO2008034207A1 (en) * 2006-09-18 2008-03-27 Universidade Estadual De Campinas - Unicamp Method for producing silver nanoparticles
KR20090021954A (en) * 2007-08-29 2009-03-04 경남도립남해대학 산학협력단 Preparing method of colloid having ag nano-particle and colloid having ag nano-particle using the same
WO2009056401A1 (en) * 2007-09-27 2009-05-07 Basf Se Isolable and redispersable transition metal nanoparticles their preparation and use as ir absorbers
US20090148863A1 (en) * 2007-11-30 2009-06-11 Xiaohong Nancy Xu Nanoparticle biosensors
KR100933736B1 (en) * 2008-06-26 2009-12-24 충주대학교 산학협력단 Method for preparing nano-silver particle and detergent composition by using them

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Publication number Priority date Publication date Assignee Title
CN100463748C (en) 2006-12-27 2009-02-25 沈阳工业大学 Chemical preparation method of Ag nanoparticle
CN102085574B (en) 2009-12-04 2012-12-12 深圳先进技术研究院 Water-dispersible silver nanometer particles and preparation method thereof
CN102198511B (en) 2011-04-28 2013-02-27 上海交通大学 Preparation method of carboxymethyl curdlan polysaccharide-based colloidal aqueous solution containing nano silver particles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006132643A2 (en) * 2004-06-30 2006-12-14 Northwestern University Methods of making metal nanoprisms having a predetermined thickness
WO2008034207A1 (en) * 2006-09-18 2008-03-27 Universidade Estadual De Campinas - Unicamp Method for producing silver nanoparticles
KR20090021954A (en) * 2007-08-29 2009-03-04 경남도립남해대학 산학협력단 Preparing method of colloid having ag nano-particle and colloid having ag nano-particle using the same
WO2009056401A1 (en) * 2007-09-27 2009-05-07 Basf Se Isolable and redispersable transition metal nanoparticles their preparation and use as ir absorbers
US20090148863A1 (en) * 2007-11-30 2009-06-11 Xiaohong Nancy Xu Nanoparticle biosensors
KR100933736B1 (en) * 2008-06-26 2009-12-24 충주대학교 산학협력단 Method for preparing nano-silver particle and detergent composition by using them

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
METRAUX G S ET AL: "Rapid thermal synthesis of silver nanoprisms with chemically tailorable thickness", ADVANCED MATERIALS, WILEY VCH VERLAG, DE, vol. 17, no. 4, 23 February 2005 (2005-02-23), pages 412 - 415, XP002407898, ISSN: 0935-9648, DOI: 10.1002/ADMA.200401086 *
TORRES ET AL: "Silver nanoprism coatings on optical glass substrates", MICROELECTRONIC ENGINEERING, ELSEVIER PUBLISHERS BV., AMSTERDAM, NL, vol. 84, no. 5-8, 6 May 2007 (2007-05-06), pages 1665 - 1668, XP022062089, ISSN: 0167-9317, DOI: 10.1016/J.MEE.2007.01.262 *
WIDONIAK J ET AL: "Silver particles tailoring of shapes and sizes", COLLOIDS AND SURFACES. A, PHYSICACHEMICAL AND ENGINEERING ASPECTS, ELSEVIER, AMSTERDAM, NL, vol. 270-271, 1 December 2005 (2005-12-01), pages 340 - 344, XP025315561, ISSN: 0927-7757, [retrieved on 20051201], DOI: 10.1016/J.COLSURFA.2005.09.004 *

Also Published As

Publication number Publication date
WO2012059943A4 (en) 2012-09-13
GB201309647D0 (en) 2013-07-17
GB2503347B (en) 2018-01-31
WO2012059943A2 (en) 2012-05-10
GB2503347A (en) 2013-12-25

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