Production of Styrene-Free Vinyl Ester Resin

Production of Styrene-Free Vinyl Ester Resin

Researchers in the adhesive and resin group in Iran polymer and petrochemical Institute have succeeded in producing a type of styrene-free vinyl ester resin, which is a big step towards the protection of environment. Dr. Kourosh Kabiri, the executor of this project, said:
The use of about 40% free styrene in vinyl ester resins causes a lot of environmental pollution. Many countries have imposed restrictions and prohibitions on the use of free styrene in resins due to environmental considerations. In this regard, the production of epoxy acrylate resins or unsaturated styrene-free saturated polyester resins is being developed. The advantage of styrene is its low cost, which makes it widely used in the structure of epoxy acrylate resins. Styrene contaminations and its odor have made it impossible to use in the styrene-containing epoxy acrylate resins in many applications, such as UV curing formulations, water pipe joints, etc., and other acrylic thinners have been used.
Dr. Kabiri, the faculty member of IPPI said:
“In this project, two new acrylic diluents, one- and two- agent, were prepared on a laboratory scale. After their structural characterization, the viscosity properties of the diluents were studied. Low viscosity and good curing ability caused the scale of diluent production to be increased up to 1 Kg in this research project. These diluents can be used in the epoxy acrylate resin to make the styrene-free vinyl ester resin. These diluents can also be used in UV curing adhesives and resins. Another application of these synthesized materials is their use as a toughening agent in unsaturated polyester resin and vinyl ester resin.”
He added: “The adhesive and resin group is ready to accept limited orders for the production of single- and double-agents metacrylic diluents.”


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