Feb 25, 2008 | Article
VOCs or Volatile Organic Compounds form a broad heterogeneous category of chemical compounds, some of which pose a health hazard and can also lead to greenhouse effect, ozone layer depletion and...
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Jan 30, 2008 | Article
Plastics, rubbers, TPE, composites are not monolithic materials but are made from the association of several entities, one or several polymers, fillers and chemicals. When the polymers are...
Jan 24, 2008 | Article
Because our planet is a semi-isolated system, human activity must obey numerous requirements: 1. Ore, fossil fuels, atmosphere and other physical resources have a defined potential without inlet...
Jan 23, 2008 | Article
The deepest dream of any engineer or designer is to manufacture in an only one continuous process leading directly from the raw materials up to a packaged device. With the inescapable evolution of...
Jan 16, 2008 | Article
As other materials, polymer parts and goods have a limited lifetime. As we can see on the following figure 'Durability-Diagram', durability depends on the one hand on formulation including, apart...
Jan 2, 2008 | Article
All the industrial or agricultural or more generally human activities consume chemicals from natural or synthetic sources. Until 2007, each nation decreed its laws, regulations and standards...
Dec 5, 2007 | Article
By Donald Rosato
Colorants, in the form of polymer additive pigments (inorganic and organic) and dyes, change the look of a given plastic to the human eye. Aided by light the colored plastic now appears green, blue...
Sep 12, 2007 | Article
By Michel Biron
Despite of a severe selection of polymers and additives and of a careful processing, compounds of plastics or rubbers, can be not enough white.(To know the basics, see the first part: Appealing...
Sep 5, 2007 | Article
Beside the mass-production goods based on superabsorbent polymers (see our previous paper, Hydrogels and superabsorbent polymers I - Overwiew & Hydrogels II - Superabsorbent materials for mass...
Aug 10, 2007 | Article
Polymers are naturally colored, greyish or yellowish and so on, and are somewhat unappealing. The situation is even more disastrous with compounds incorporating additives leading to other undesired...