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Chemistry
New in Chemistry (page 5 of 23)
Sep 28, 2010 | 05:53 PM CDT
Comparatively Speaking: Adsorption vs. Absorption
By: Anthony J. O'Lenick Jr., Siltech LLC
Tony O’Lenick explains the difference between absorption and adsorption for the benefit of novice formulators.
Sep 08, 2010 | 08:51 AM CDT
Comparatively Speaking: Linear vs. Branched vs. Unsaturated Alcohols and Acids
By: Anthony J. O'Lenick Jr., Siltech LLC
Tony O’Lenick asks Art Hein of Jarchem to explain the difference between linear, branched and unsaturated alcohols and acids. These properties can be used by the formulator to choose the correct ester for a given formulation.
Aug 17, 2010 | 05:07 PM CDT
Comparatively Speaking: Carbomer vs. Alkyl Carbomer
By: Anthony J. O'Lenick Jr., Siltech LLC
Tony O’Lenick looks to Sergio R.S. Costa, of Chemflex Quimica, to explain the difference between carbomer, a series of polymers of acrylic acid, and alkyl carbomer, copolylmerized acrylic acid and alkyl acrylate.
Jul 06, 2010 | 11:16 AM CDT
Comparatively Speaking: Fatty Alcohols vs. Fatty Acids vs. Esters
By: Anthony J. O'Lenick Jr., Siltech LLC
In the present discussion of fatty alcohols, fatty acids and esters, Tony O’Lenick recruits Ismail Walele of Phoenix Chemical to explain the differences between them.
Jun 22, 2010 | 04:51 PM CDT
Comparatively Speaking: Traditional vs. Non-traditional Natural Oils
By: Anthony J. O'Lenick Jr., Siltech LLC
Industry expert Tony O'Lenick discusses the differences between the structures of traditional natural oils and non-traditional natural oils.
Jun 15, 2010 | 03:07 PM CDT
Comparatively Speaking: Natural Oils vs. Man-made Glyceryl Esters
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Tony O'Lenick compares natural oils with man-made glyceryl esters, noting that natural oils are made by living systems using enzymes and are currently an attractive option for their sustainability.
Jun 08, 2010 | 04:11 PM CDT
Comparatively Speaking: Types of Flow Behavior
By: Anthony J. O'Lenick Jr., Siltech LLC, and Kell…
The following excerpt is adapted from an article by Kelly Dobos of Kao Corp. that discusses fluid viscosity of cosmetic products, specifically types of flow behavior, which can be used by the formulator to determine the rheological properties of formulations.
Jun 01, 2010 | 02:36 PM CDT
Comparatively Speaking: Evaporation vs. Boiling
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Tony O'Lenick explains the difference between two types of vaporization: evaporation and boiling, for the benefit of novice formulators.
May 25, 2010 | 03:32 PM CDT
Comparatively Speaking: Alkoxylation vs. Ethenification
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Tony O'Lenick discusses the difference between alkoxylation and ethenification; for one, while the two are related, ethenification uses an ester as the reactant rather than alcohol.
May 24, 2010 | 09:50 AM CDT
Researchers Develop 'Dendrimersomes' for Cosmetic Delivery
Researchers from several establishments under the leadership of the University of Pennsylvania have developed nano-assemblies of Janus dendrimers, termed dendrimersomes, for the delivery of cosmetics, drugs, proteins and more.