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Policresulen is the polycondensation product of meta-cresolsulfonic acid and phenol. [1] It is used as a topical hemostatic and antiseptic [2] in infectious and other lesions of the mucous membranes, like gynecological infections, anal hemorrhoids as well as ulcers of the oral cavity including canker sores.
Metallised films have a reflective silvery surface similar to aluminium foil and are highly flammable. The coating also reduces the permeability of the film to light, water and oxygen.
A PHA copolymer called PHBV (poly(3-hydroxybutyrate-co-3-hydroxyvalerate)) is less stiff and tougher, and it may be used as packaging material. In June 2005, US company Metabolix , Inc. received the US Presidential Green Chemistry Challenge Award (small business category) for their development and commercialisation of a cost-effective method ...
Acrylic paints with gloss or matte finishes are common, although a satin (semi-matte) sheen is most common. Some brands exhibit a range of finishes (e.g. heavy-body paints from Golden, Liquitex, Winsor & Newton and Daler-Rowney); Politec acrylics are fully matte. [22] As with oils, pigment amounts and particle size or shape can affect the paint ...
An LbL formation of PEM (PSS-PAH (poly(allylamine) hydrochloride)) on a gold substrate can be seen in the Figure. The formation is measured using multi-parametric surface plasmon resonance to determine adsorption kinetics, layer thickness, and optical density.
Multi-layered packaging are multilayer or composite materials using innovative technologies aimed to give barrier properties, strength and storage stability to food items, new materials as well as hazardous materials. [1] Multiple layers are formed by coextrusion, lamination, or various coating technologies. The material of construction of ...
An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation.Emulsions are part of a more general class of two-phase systems of matter called colloids.
Petroleum distillates can create a sheen on the surface of water as a thin layer creating an optical phenomenon called interphase. Petroleum is a complex mixture of many components . These components include straight chained, branched, cyclic, monocyclic aromatic and polycyclic aromatic hydrocarbons.