TEHRAN Sept 16 (Shana)--Iran�s Petrochemical Research and Technology Company (PRTC) has developed technical knowledge for producing Vinylester epoxy resin at semi-industrial scale.
�Iran produces 5,000 tons a year of these resins which have been imported mainly from Saudi Arabia and Taiwan.


The products by this company are highly viscose and resistant enough to stress and tension.

Vinylester, is a resin produced by the esterification of an epoxy resin with an unsaturated monocarboxylic acid. The reaction product is then dissolved in a reactive solvent, such as styrene, to a 35�45 percent content by weight.

It can be used as an alternative to polyester and epoxy materials in matrix or composite materials, where its characteristics, strengths, and bulk cost intermediate between polyester and epoxy. Vinyl ester has lower resin viscosity (approx 200 cps) than polyester (approx 500cps) and epoxy (approx 900cps).

By SHANA

 

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