GB2503347A - Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositions thereof - Google Patents

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

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Publication number
GB2503347A
GB2503347A GB1309647.4A GB201309647A GB2503347A GB 2503347 A GB2503347 A GB 2503347A GB 201309647 A GB201309647 A GB 201309647A GB 2503347 A GB2503347 A GB 2503347A
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GB
United Kingdom
Prior art keywords
silver nanoparticles
pale yellow
range
aqueous dispersion
yellow coloured
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.)
Granted
Application number
GB1309647.4A
Other versions
GB201309647D0 (en
GB2503347B (en
Inventor
Ashwini K Agrawal
Manjeet Jassal
Sangita Paul
Ganesh Srinivasan
Gayatri Hela Pamidipati
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.)
RESIL CHEMICALS PRIVATE Ltd
Indian Institute of Technology Delhi
Original Assignee
RESIL CHEMICALS PRIVATE Ltd
Indian Institute of Technology Delhi
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Publication of GB201309647D0 publication Critical patent/GB201309647D0/en
Publication of GB2503347A publication Critical patent/GB2503347A/en
Application granted granted Critical
Publication of GB2503347B publication Critical patent/GB2503347B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Landscapes

  • 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.
GB1309647.4A 2010-11-02 2011-11-02 Pale yellow coloured aqueous dispersion of silver nanoparticles, a process for preparation and compositions thereof Active GB2503347B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2628DE2010 2010-11-02
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

Publications (3)

Publication Number Publication Date
GB201309647D0 GB201309647D0 (en) 2013-07-17
GB2503347A true GB2503347A (en) 2013-12-25
GB2503347B GB2503347B (en) 2018-01-31

Family

ID=45217599

Family Applications (1)

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

Country Status (2)

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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
MX2014014128A (en) * 2012-05-21 2015-06-17 Novatec Healthcare Company Ltd Wound dressing comprising bio - cellulose 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
CN114450355A (en) * 2019-08-29 2022-05-06 法国比克公司 Preparation method of aqueous 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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
Advanced Material Vol. 17, No. 4, February 2005, GS Metraux et al, "Rapid thermal synthesis of silver nanoprisms with chemically tailorable thickness", pages 412-415 *
Colloids and Surfaces A: Physicachemical and Engineering Aspects Vol. 2701-271, December 2005, J Widoniak et al, "Silver particles tailoring of shapes and sizes", pages 340-344 *
Microelectronic Engineering Vol. 84, No. 5-8, Torres et al, "Silver nanoprism coatings on optical glass substrates", pages 1665-1668 *

Also Published As

Publication number Publication date
GB201309647D0 (en) 2013-07-17
WO2012059943A2 (en) 2012-05-10
WO2012059943A4 (en) 2012-09-13
GB2503347B (en) 2018-01-31
WO2012059943A3 (en) 2012-07-26

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