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Chemistry
New in Chemistry (page 6 of 23)
Apr 27, 2010 | 04:50 PM CDT
Comparatively Speaking: Naming Cosmetic Raw Materials
By: Anthony J. O'Lenick, Jr., Siltech LLC
In this excerpt, Tony O'Lenick looks to Perry Romanowski to explain how cosmetic raw materials are named for the benefit of novice formulators.
Apr 09, 2010 | 01:49 PM CDT
Comparatively Speaking: Homopolymer vs. Periodic vs. Statistical Copolymers
By: Anthony J. O'Lenick, Jr., Siltech LLC
Tony O'Lenick discusses the differences between types of copolymers including: homopolymer, periodic (block) and statistical (random) and grafted.
Apr 06, 2010 | 04:51 PM CDT
Comparatively Speaking: Linear vs. Branched vs. Dendrimer Polymer Structures
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Tony O'Lenick explains the difference between polymer structures, the simplest being a linear chain with a single backbone, then increasing in complexity with one or more side chains or branches. Special types of branched polymers include dendrimers.
Mar 23, 2010 | 04:53 PM CDT
Comparatively Speaking: Natural- vs. Oxo- vs. Ziegler-derived Alcohols
By: Anthony J. O'Lenick, Jr., Siltech LLC
Tony O'Lenick explores the difference between fatty alcohols derived naturally and those derived through the oxo process and the Ziegler process.
Mar 16, 2010 | 04:57 PM CDT
Comparatively Speaking: Guerbet Alcohol vs. Linear Fatty Alcohol
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Tony O'Lenick explains that Guerbet alcohols have significantly lower melting points than the linear alcohols with the same number of carbon atoms, which makes them highly desirable in the personal care market.
Feb 23, 2010 | 10:24 AM CST
Comparatively Speaking: Cofactors vs. Coenzymes
By: Anthony J. O'Lenick, Jr., Siltech LLC
Enzymes for DNA repair or Coenzyme Q10 for antioxidant and antiaging benefits have become typical ingredients in today's skin care. Here, industry expert O'Lenick illustrates the difference between cofactors and coenzymes.
Feb 19, 2010 | 11:26 AM CST
Research in Cosmetic Valley
By: Eric Perrier, LVMH, et al.
R&D is essential within Cosmetic Valley. It combines actors from large industrial groups with teams from universities and smaller companies.
Feb 16, 2010 | 05:16 PM CST
Comparatively Speaking: Biopolymers vs. Polymers
By: Anthony J. O'Lenick, Jr., Siltech LLC
According to industry expert Tony O'Lenick, polymers are compounds made from monomers that are joined together in a chemical process. There are many different types, of which biopolymers have gained increasing interest.
Feb 09, 2010 | 03:42 PM CST
Comparatively Speaking: Emulsion vs. Colloid
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Anthony O'Lenick, Jr., explains the different between an emulsion and a colloid.
Feb 02, 2010 | 04:15 PM CST
Comparatively Speaking: Fatty Acids vs. Ozone Acids
By: Anthony J. O'Lenick, Jr., Siltech LLC
Industry expert Tony O'Lenick describes the differences between the formation of fatty acids by saponification followed by acidulation, and ozone acid by the reaction of unsaturated acids with ozone.