Optical whitening
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- Organic Optical Whitening Agents.
otherwise called as Optical Brightening Agents are organic dyes that
absorb ultraviolet light and re-emit that light in the blue part of
the visible spectrum.
- The result is that whitening and
brightening of the media into which they are incorporated.
- Application of Optical brightening agents
(OBA) are it is commonly used in the pulp and paper industry, and
they can be applied to different kinds of pulps, including
high-yield pulp (HYP) and Kraft pulps.
- To achieve a white media OBAs need to be
used since the cotton and/or paper fibers and the coatings applied
to them are inherently yellowish or brownish due to the reflective
nature of these materials.
- Only with the addition of OBAs is a bright
white media possible.
- We can find its application in most fine
art papers and canvases in order to provide a white and not a cream
or yellow substrate.
- If the whiteness or brightness of a paper
or canvas is more than 90% there are most likely OBAs present. In
paper OBAs may be in the paper itself or in the coating on the paper
or both.
- Application is in formulas for washing and
conditioning grey or blonde hair, where the brightener can not only
increase the luminance and sparkle of the hair, but can also correct
dull, yellowish discoloration without darkening the hair.
- And also some advanced face and eye
powders contain optical brightener microspheres that brighten
shadowed or dark areas of the skin, such as “tired eyes”.
- Laundry detergents which are used to
replace whitening agents removed during washing and to make the
clothes appear cleaner, may contain up to 0.2% whitening agents,
Paper, especially high brightness papers, resulting in their
strongly fluorescent appearance under UV illumination.
- Paper brightness is typically measured at
457nm, well within the fluorescent activity range of brighteners.
Paper used for banknotes does not contain optical brighteners, so a
common method for detecting counterfeit notes is to check for
fluorescence.
- Optical brighteners aren’t effective
unless they remain in the fabric, and persist after washing. They
only last so long, until the point when they actually burn out and
no longer do anything. They are also subject to fading when exposed
long term to UV.
- Most of the brighteners will hardly
fluoresce in powder form; their fluorescence will only appear in
solution.
- There are some types, which will not
fluoresce in solution and will only show this property after they
have been applied on the fiber.
- Thus, it can be concluded that
fluorescence is not only dependent on the structure of the molecule
but also on its condition. Whether a fluorescent substance is
suitable as a brightener can only be determined after it has been
applied to the textile fiber.
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General
- Optical brightening agents
- Paper Coating Optical Brightening Agents
- Optical Brightening Agents (OBA) |
Properties of Fluorescent Whitening Agents for Textiles
- Optical brighteners
- Truth about Optical brightening agents
Manufacturing plant
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Manufacturing plant from Ahmadabad
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Manufacturing plant from China
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Manufacturing plant from Mumbai
MSDS
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Leucophor BSB
Liq
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Optical
brightening agent
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Optical
brightener
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Optical
brightening agent Er
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Parawhite DMS
U powder
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Carewhite NW
Products
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Fluorescent Brightener KCB
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Optical
brightener OB-1
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Optical
Brightener CBS-X
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Optical
brightening agents
- Milky white
Project
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Effects of Optical
Brightening Agents on Color Reproduction in Digital Printing
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Fluorescent whitening
agents in laundry detergent and paper
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UV stability of optically
brightened offset printing papers
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Implementing expansion a Rs.
15 million optical brightening agents manufacturing project at
gujarat
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Implementing a Rs. 300
million 110 TPM optical brightening agent and 200 TPM diamino
stilbene disulfonic acid manufacturing project in gujarat
Patent
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Optical brightening agents
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Optical brighteners as bleaching
agents
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Ballasted optical brighteners
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Granulated optical brightening
agents
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Detergent compositions comprising
bleaching agent and brightener
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Storage-stable liquid brightener
formulations
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Optical brightening agents of
Oxazolyl derivatives
Turnkey service providers
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Turnkey
service providers from China
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Turnkey
service providers from Delhi
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Turnkey service providers from Maharashtra
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Turnkey service providers from Pilani
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Turnkey
service providers from Pune
Videos
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Presentation
on the i1Pro2 and OBAs
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New
Measurement Standards - How Will You Be Impacted?
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Pre-treatment Chemicals by Riddhi
Siddhi Trading Co. Mumbai
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Photokina 2008: Tecca paper
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Suppliers
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Suppliers of
Optical whitening agent
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Manufacturers of
Optical whitening agent
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Selling leads of
Optical whitening agent
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Exporters of
Optical whitening agent
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Suppliers from Gujarat
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Another suppliers from Gujarat
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Suppliers
from Mumbai
Company profiles
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Company from
Andhra Pradesh
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Company from
Ahmadabad
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Company from
China
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Company from
Delhi
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Company from
Gujarat
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Another Company from
Gujarat
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Company from
Mumbai
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Another
Company from Mumbai
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Company from
U.S.A
Consultancy
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Consultancy from
U.S.A
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Online Consultancy
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Another
online Consultancy
Market
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BASF to
exit Europe market in optical brighteners for paper
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Profile
of Dysin Group
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Optical
brightening agents: past, present and futures
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Indian
chemical industry: A sector study
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Optical
brighteners: Market data
Report
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Use of
Optical brightening agents in the production of Paper containing
high-yield pulps
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Role of
Optical Brightening agents in Textile Wet-Processing
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The
Analysis of Optical Brightening Agents
in Paper Samples Using Liquid Chromatography with High-Resolution
Mass Spectrometry
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Distribution of Optical brightening agent (OBA), in the fibre wall
of high-yield and Kraft pulps
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Notes
on Dating Photographic Paper
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Paper's
appearance
Study
- A Study of Optical Brightening
Agents (OBA) Correction Methods
- Preliminary study of potential
environmental contaminants - Optical brighteners
- Optical brightening agents in
photographic paper
- Chemistry of Optical Brightener
and uses in Textile Industries and its Mechanism
- Using Optical Brightening Agents (OBA)
for Improving the Optical Properties of HYP-Containing Paper Sheets
- Simultaneous use of titanium dioxide
pigment and fluorescent whitening agent in double coated printing
paper
- Optical brighteners effect on white
and coloured textiles
- Effect of OBAs and Repeated Launderings
on UVR Transmission through Fabrics
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