Vinyl Ester Resin Work Time

Unlike epoxy resin polyester and vinyl ester cure time can be manipulated by the amounts of mekp added.

Vinyl ester resin work time.

Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular chain. This resin is easy to work with less expensive compared to it s epoxy and vinyl ester counterparts and is wax free meaning you won t have to sand between coats. For vinyl ester resins with longer lengths mn 1000 g mol crosslinked networks have higher fracture toughness values and lower tg s. Vinyl ester resin cures with a.

Epoxy based vinyl ester 100 100 butanox m 50 phr 2 2 accelerator nl 51p 6 co soln phr 0 5 accelerator 553s 0 5 gassing geltime in pure resin min yes 60 no 60 cobalt content mg kg 300 100 time to peak min 113 108 peak exotherm c 44 61 barcol hardness 25 30 hours 4 3 residual styrene content wt 9 7. Vinyl ester resin is more resistant to solvents and water degradation. It is typically used in gas tanks boat hulls and other items that will be exposed to water or chemicals for extended periods of time. Ve resin is a tougher resin because of its longer molecular chains.

Vinyl ester resin is selected due to its well known performance in marine conditions and good chemical resistance to a wide range of chemicals including sour crude up to 100 c. Vinyl esters also use peroxides e g. Finally the synthesis cure reactions and toughness of a new low viscosity vinyl ester resin were also investigated in this work. Vinyl ester resin is also more resistant to solvents and water degradation.

Vinyl ester resins are produced by the reaction esterification between an epoxy resin and an unsaturated monocarboxylic acid. The less mekp added the longer the pot life working time will be. We aim to replace thin film epoxies and polyurea coatings with vinyl ester resin based coatings that are. Mirteq australia pty limited is a privately owned australian company that manufactures a range of concrete and steel paint coatings for australian conditions.

It can withstand repeated bending better than both polyester and. It is typically used in gas tanks boat hulls and other items that will be exposed to chemicals or water for extended periods of time. Ve resin is a tough resin that can withstand repeated bending better than both polyester and epoxy resin.