Epoxy Vs Vinylester Resin

Polyester resins published on june 5 2018 june 5 2018 13 likes 0 comments report this post rakesh verma follow international.

Epoxy vs vinylester resin.

Both resins can be thinned by reaction. A polyester laminate job is somewhat less expensive in material costs. However they are primarily used as an aesthetic application to these products. It is water resistant.

Vinylesters and polyesters here s a different way to look at epoxy resin vs. Vinyl esters also use peroxides e g. The epoxy cloth laminate is comparable to using polyester resin with 3 4 oz. Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular chain.

Vinylesters are capable of forming secondary bonds around 500 psi mas epoxies 2000 psi. Cloth however the epoxy laminate requires much less labor to fair. Epoxy vinyl ester resin 100 100 100 butanox m 50 phr 2 butanox lpt in phr 2 trigonox 239 phr 2 accelerator nl51p 6 cobalt phr 0 5 0 5 0 5 foaming yes slightly no geltime pure resin min 24 15 25 time to peak 9. The vinylester resins are only about 1 3rd as strong as the epoxy.

Mike works for a huge minnesota company. For example the reaction of secondary hydroxyl groups of the epoxy part with diisocyanate greatly lowers the viscosity of the resin. Mat and 10 oz. It can be used with carbon fiber kevlar and fiberglass cloth.

Resistance of vinylester resin to moisture is good and some commercial barrier coatings have been marketed utilizing this resin family. 5 commercial epoxy vinyl esters epoxy vinyl ester resins are produced on a large scale by a number of companies including ashland reichhold and interplastic. It is not compatible with chopped strand mat fiberglass. Vinylester resin as was explained to me by an r d chemist named mike daniels.