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Polymers Nano Materials

Stock No.
MSDS pdf

Vinyl Ester Resin

(Purity: 99.9%)
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ProductVinyl Ester Resin
Stock NoNS6130-12-001021
Tensile strength (?t)70 MPaConfirm
Density1.05±0.04 g/ml,25°CConfirm
Bending Strength100MPaConfirm
Bending Modulus3000MpaConfirm
Tensile Modulus3000MPaConfirm
Tensile Elongation 5.0%Confirm
Viscosity250-550 mPa.s(25℃)Confirm
Quality ControlEach Lot of Vinyl Ester Resin was tested successfully
Main Inspect VerifierManger QC

Typical Chemical Analysis

Other Metal800ppm

Expert Reviews

Dr. jim Duncan, Ph.D (Norwegian University of Science and Technology Trondheim, Norway)

Vinyl ester resin, or often just vinyl ester, is a resin produced by the etherification of an epoxy resin with acrylic or methacrylic acids. The "vinyl" groups refer to these ester substituents, which are prone to polymerize. The diester product is then dissolved in a reactive solvent, such as styrene, to approximately 35–45 percent content by weight. Polymerization is initiated by free radicals, which are generated by UV-irradiation or peroxides.

Dr. Mauritz Backman, Ph.D (Technical University of Lisbon (UTL), Portugal)

In homebuilt airplanes, the Glasair and Glastar kit planes made extensive use of vinyl ester fiberglass-reinforced structures. It is a common resin in the marine industry due to its corrosion resistance and ability to withstand water absorption. Vinyl ester resin is extensively used to manufacture FRP tanks and vessels. For laminating process, vinyl ester is usually initiated with methyl ethyl ketone peroxide. It has greater strength and mechanical properties than polyester and less than epoxy resin.

Dr. Lounis Madani (University of Abou Bekr Belkaïd, Algeria)

Vinyl esters provide excellent resistance to water, organic solvents and alkalis, but less resistance to acids than polyesters. Vinyl esters are stronger than polyesters and more resilient than epoxies. Molding conditions for vinyl esters are similar to those for polyesters.

Dr. Eric Lin, Ph.D (Sukhothai Thammathirat Open University (STOU) Nonthaburi,Thailand)

Vinyl ester resins are produced by the reaction ('esterification') between an epoxy resin and an unsaturated monocarboxylic acid. Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular chain. Vinyl esters also use peroxides (e.g. MEKP) for hardening.

Dr. Robert Wing, Jr. (University of British Columbia, Canada)

Vinyl ester has fewer open sites in its molecular chain. This makes it much more resistant to water penetration ('hydrolysis') which can cause osmotic blistering. Vinyl esters shrink less on curing, which means that 'pre-release' of a laminate from a mold is less significant. Vinyl esters are more tolerant of stretching than polyesters. This makes them more able to absorb impact without damage. They are also less likely to show stress cracking.


Vinyl Ester Resin

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