The initiator was cumene hydroperoxide chp and was supplied by sigmaaldrich. They are flexible double bonded vinyl group in nature and are useful when creating products that are designed to withstand flexing, impacts or compression. Typical properties of glass reinforced composites compared with steel. The matter of choice for composite structures where material has exposure to aggressive chemicals. The effects of water absorption on an ester vinyl resin system scielo. Corrosion resistant resins for chemical containment and piping range and specification. Polyester and vinyl ester resins resin prepolymer oligomer 40 to 100% typically 5565%. There are numerous types of reactants that make up the vinyl esters so that each resin has its own characteristic properties. Fabrication and study on carbon fiber with epoxy and vinyl ester resins.
Why epoxy is preferable to vinylester and both are preferable to polyester. Derakane epoxy vinyl ester resins chemical resistance. Discussion in fiberglass and composite boat building started by. These styrenebased resins have been proven to be safe and reliable and ideally suited for mainline, largediameter cipp applications. Derakane 470 series resins are epoxy novolac based vinyl ester resins designed to provide exceptional thermal and chemical resistance properties. Polyester, epoxy, vinyl ester, polyurethane, phenolic and a variety of other resins are used with reinforcements such as glass, carbon and aramid to make these parts. Thermoset plastics made with polyester and vinyl ester resins represent the major.
Derakane momentum 411 t seriew resins wet out reinforcements rapidly and resis sag when applied to vertical surfaces. Silica grit may be applied in conjunction with the final resin coat. An epoxy resin was then prepared by the reaction of these oligomers with. While still utilizing a polyester resin type of crosslinking i. Conditions for these resins are outlined in ashlands resin selection guide at. Epoxy resin the above most widely used epoxy resin is based on diglycidyl ethers. This combination is typically capable of providing greater resistance properties when exposed to corrosive conditions than do either resin. Corrosion resistant resins for chemical containment and. Derakane epoxy vinyl ester resins have been trusted for more than 50 years to combat corrosion in the harshest environments. This is the resin system used for the glastar kits. Polymer chemistry curing ve resin 8 4 mm laminates curing data epoxy based ve resin high reactive epoxy vinyl ester resin 100 100 100 butanox m50 phr 2 butanox lptin phr 2 trigonox 239 phr 2 accelerator nl51p 6% cobalt phr 0. All you need to know about vinyl ester resins vinyl ester resins are epoxy based, thermosetting resins that are cured by freeradical initiation of polymerization. Epoxy resin vs vinylester vs polyester use and application overview.
Certificates and approvals the manufacturing, quality control and distribution of products, by ashland performance materials, comply with one or more of the following programs or standards. Compatible with epoxy, vinyl ester or polyester resins excellent flex characteristics. This system outperforms polyesters, vinyl esters, and epoxies. Vinyl ester resins are often considered a cross between polyester resins and epoxy resins. Vinyl ester resin is more resistant to solvents and water degradation. Pdf properties of a vinyl ester resin modified with a liquid polymer. It rivals the strength and resistance of epoxy resins, and the usability of polyester resins. The vipel f010 series is ideally suited for use in hand layup, sprayup, filament winding, smc, and pultrusion processes where outstanding mechanical properties and excellent resistance to chemicals and heat are required. Pdf carbon fibers are fibers of 5 to 10 micrometres in diameter and made of carbon atoms. While, exploring the usages of thermoset resins in the composite industry, it can broadly be categorized into six resin types. Typical liquid resin properties 2 applications and fabrication techniques benefits. It can be used to produce glassreinforced laminates with excellent impact and stress resistance. Vipel corrosion resin cross reference aoc ashland interplastic reichhold vipel derakane hetron aropol corezyn dion bisphenola epoxy vinyl ester f010 411 922 8300 9100 f0 9102 bisphenola epoxy vinyl ester higher hdt f007 441 942 8360 elastomeric, bisphenola vinyl ester f017 8084 8550 9085 fire retardant brominated bisphenol. Derakane 510 n resin can be used to fabricate laminates with improved thermal resistance.
It adds excellent strength, rigidity, adhesion, water and chemical resistance. Presented at a meeting of the thermoset resin formulators association at the hyatt regency savannah in savannah, georgia, september 10 11, 2007 this paper is presented by invitation of trfa. Derakane 4150 resin is a nonflame retardant epoxy vinyl ester which may be suitable for similar applications that do not require fire retardance. Free radical cured thermosetting resin systems, such as vinyl ester resins, have been extensively used for the manufacture of low cost and high performance composites. Fireresistant vinyl ester system protect vefr is a fireretardant, brominated, bisphenola epoxy vinyl ester resin. Their unique combination of high hdt and elongation makes them the resins of choice for applications with thermal cycling, e. Opportunities for thermoset resins in the composites industry. Vinyl ester resin, or often just vinyl ester, is a resin produced by the esterification of an epoxy resin with acrylic or methacrylic acids.
Nonstyrene options for cured in place pipe william moore nastt no dig february 24, 2011 abstract styrene based polyester and vinyl ester resins are the preferred choice for curedinplacepipe cipp applications. Low emission epoxy vinyl ester resin in pultrusion dr. Vinyl ester resins are the addition product of an epoxy resin and an. Introduction to polymers resins by ruifeng ray liang, ph. Regarding costs, vinyl ester resin is more expensive than polyester resin, but cheaper than epoxy resin.
The diester product is then dissolved in a reactive solvent, such as styrene, to approximately 3545 percent content by weight. Epoxy vinyl ester resin high elongation, tough epoxy vinyl ester resin derakane 8084 epoxy vinyl ester resin is an elastomer modified resin designed to offer increased adhesive strength, superior resistance to abrasion and severe mechanical stress, while giving greater toughness and elongation. Derakane 41145 epoxy vinyl ester technical data sheet. Specifically, proper cure of vinyl ester resins and a 15year study of the effective use of permeation barriers in marine composites to prevent corrosion and blistering. Vinyl ester floor coating epoxy industrial floor solutions. Compressive properties and curing behaviour of unsaturated. Typical vinyl ester resins contain 3550% styrene as reactive diluents. Epoxy vinyl ester resin june 2006 corrosion resistant, epoxy vinyl ester resin description. Liquid resin solution styrene monomer, 3, pg marine section 11 hazardous components accihtl none e st cas no. In laymens terms, vinyl ester resin can be described as something like a cross between polyester resin and epoxy resins. Multimodal vinyl ester resins having one or more of good fracture toughness. Vipel f086 series epoxy novolac vinyl ester resin brenntag. Epoxy ester definition epoxy esters are synthetic chemical substances that are used as corrosion inhibitors on metallic surfaces. Vinyl ester resins are epoxybased, thermosetting resins that are cured by freeradical initiation of polymerization, similar to the curing mechanism of conventional polyester resins.
Vinylester resin has proven to be one of the most relibale resins in the current composite market. Pdf vinyl ester resins vers are highperformance unsaturated resins derived by the addition reaction of various epoxide resins with. With high resistance to oxidizing acids, solvents and caustic, derakane offers exceptional reliability, lower maintenance and extended service life. The ester linkages in polyesters occur throughout the molecule, leaving those resins much more susceptible to attack at those sites than are vinyl esters, which only have one ester linkage at each end of the molecule. The advantages of epoxy resin versus polyester in marine composite s t r u c t u re s introduction in any hightech structural application, where strength, stiffness, durability and light weight are required, epoxy resins are seen as the minimum standard of performance for the matrix of the composite. Why epoxy is preferable to vinylester and both are. This white paper explores the differences between epoxy resins, vinylester and. Why epoxy is preferable to vinylester and both are preferable. Vinylesters and polyesters heres a different way to look at epoxy resin vs. Epoxy resin is an ideal resin for high performance and light weight parts. Vinyl ester binder 1 material safety data sheet epoxy.
Unsaturated polyester resins, vinyl ester resins and epoxy systems unsaturated polyester resins and vinyl ester resins unsaturated polyester resins and vinyl ester resins are the most often used representatives of the thermoset materials. Epoxies, vinylesters and polyesters explained mas epoxies. This is oversimplified, but it does help convey the qualities of the resin. Aoc aliancys vipel f0 series is a bisphenola epoxybased vinyl ester resin dissolved in styrene. Product and company identification product identifier trade name. While vinyl ester resins are classified as polyesterbased formulations, they are actually an intermediate between a polyester backbone and epoxy terminations on the ends of the molecules. Vinyl ester resin styrene 068002448 ne ne 8090 yes iarc unsaturated polyester prepolymer 65556710 ne ne 010 no. Atlac enova results in resin systems tailored to the needs of customers and endusers, offering enhanced properties over currently available vinyl ester resins. In certain cases a higher post cure temperature or an adjusted curing formulation may be required. The vinyl ester resin was derakane 510a40, a bromated diglycidyl ether of bisphenol a dgeba epoxy based vinyl ester provided by ashland co. Section viii painting and finishing system three resins. Where specified, a nonskid surface shall be provided on the exterior surface of the domed cover.
Other common thermosetting polymers include epoxy and phenolic resins. Derakane 8084 epoxy vinyl ester resin january, 2006 high elongation tough epoxy vinyl ester resin typical liquid resin properties 2 applications and fabrication techniques benefits derakane 8084 epoxy vinyl ester resin is an elastomer modified resin designed to offer increased adhesive strength, superior resistance to. Show this safety data sheet to the doctor in attendance. Epoxy resins have an extended range of properties when compared to polyester and vinyl ester resins. R0402382 derakane momentum 4150 epoxy vinyl ester resin 120327 version. Ve resins are a combination of both polyester resin and epoxy resins best properties. Vinylester is cured using mekp methyl ethyl ketone peroixide, the same curing agent as polyester resins. Shrinkage is less of a concern with vinylesters and prerelease of the part from the mold is reduced. Corve8300 series high performance this is our standard, high performance line of products, showing excellent resistance to acids, alkalies, and oxidizing chemicals, with outstanding toughness and fatigue properties.
A similar chemical phenomenon occurs between the amines in epoxy hardeners and the peroxide catalyst used in polyester and vinyl ester resins and primers. The epoxy ester resin is far superior to alkyds in adhesion and chemical. Hetron 922l resin is a lower viscosity version of hetron 922 unpromoted epoxy vinyl ester resin. A guide to galvanized steel free pdf downloads provided by corrosionpedia. In summation, in epoxy based vinyl ester resins, we have manufactured a polyestertype resin with all the advantages in handling. If this happens the paint may surface dry but remain soft and tacky next to the epoxy resin surface. This product provides corrosioncontrol to a wide variety acids and alkalis.
Benzoxazine resins are 50% stiffer than traditional epoxies with flexural moduli in the 4,500 5,300 mpa range. Corve8100 series lower viscosity a lower molecular weight and lower intrinsic viscosity version of the corve8300 line. Predicting the viscosity of low voc vinyl ester and fatty. The hardenercatalyst for vinyl ester resin and polyester resins is mekp. Complete esterification of the epoxy resin in practice. The viscosity of the resin is controlled by adjusting the. Their bromine content makes them tougher and more fatigue resistant than standard epoxy vinyl ester resins. These resins offer the pedigree of the industry standard vinly ester resin and include a thixotrope for improved handling.
They provide reduced viscosity and improved curing at low promoter levels for enhanced performance in filament winding operations, while maintaining the mechanical properties and corrosionresistance. Ashland, technical data sheet plastic materials inc. I wanted to get some feedback on making repairs to dcpd blend and aged vinyl ester resin. Vinylesters represent a resin development step in the right direction. The amines inhibit the action of the peroxide catalyst, preventing cure at the interface. I do fiberglass repairs and gelcoat work and am partial to vinyl ester resin. When exposed to ultraviolet light, epoxy resins will chalk heavily and lose their color and gloss. The diester product is then dissolved in a reactive solvent, such as styrene, to approximately 3545 percent content.
Vinyl ester resins offer increased strength, corrosion resistance and durability and are used in a wide variety of applications. To cover wood, a laminate using epoxy resin and 10 oz, cloth will yield a much better job than 10 oz. Vinyl ester is formulated for maximum corrosion resistance to most fuels, vapors, and chemicals. Derakane 8084 and derakane 8090 resins are the only. Used in corrosionresistant fiberglass reinforced plastic frp and coatings applications, derakane resins are specified by engineers. Most cipp curedinplacepipe installations use a styrenebased unsaturated polyester or vinyl ester resin. Using epoxy, you can improve the laminate properties with a post cure, almost always.
Vinyl ester resins are stronger than polyesters and more resilient than epoxy resins. There are many good reasons to use epoxy instead of polyester. For tank tops, nozzle bolt holes straddle radial centerlines. Like polyester resins, they require mekp as a catalyst to cure or harden. Vinyl ester resin is considered to be a hybrid of polyester and epoxy resinsmeaning its handling characteristics, properties, and even price generally fall just between the two. R03923 hetron fr 992 epoxy vinyl ester resin trademark, ashland or its subsidiaries, registered in various countries 31602 version. Ve resin is a tough resin that can withstand repeated bending better than both polyester and epoxy resin. Atlac enova ma 6215 chemicalphysical nature atlac enova is an evolutionary development building on 40 years of unsaturated polyester and epoxy vinyl ester urethane technology. Vinyl ester resins are produced by the reaction esterification between an epoxy resin and an unsaturated monocarboxylic acid. A unique technology that when used neat, or as a mo difier, improves the impact resistance, adhesion, crack resistance, and shape memory in composite applications. Typical values should not be construed as a guaranteed analysis of any specific lot or as specification items. An engineered interphase consisting of a partially crosslinked epoxy coating that chemically bonds to the carbon fiber surface and forms an interpenetrating network with the vinyl ester matrix was found to sharply improve the interfacial adhesion and the mechanical properties of carbon fiber vinyl ester composites. The vinyl groups refer to these ester substituents, which are prone to polymerize.
The raw materials used in the manufacture of this resin are listed as acceptable in fda regulatory title 21. They are suitable for the manufacture of grp tanks, pipes and containers for acids, alkalis, fuels. Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular chain. They are very resistant to chemical attack by chlorine and bleach environments. Vinyl ester falls between polyester and epoxy on price, most physical. Mike works for a huge minnesota company and he does know his chemistry. Derakane 4150 epoxy vinyl ester resin is based on bisphenola epoxy resin and has become the industry standard due to its wide range of enduse applications and ability to be used in a wide range of fabrication techniques. Hetron 922 l25 epoxy vinyl ester resin trademark, ashland or its subsidiaries, registered in various countries 25687 version. While they have high mechanical strength values similar to epoxy resins, they are easy to apply similar to unsaturated polyester resins.
The vipel f0 series is ideally suited for use in hand layup, sprayup, filament winding and pultrusion processes where outstanding mechanical properties and excellent resistance to chemicals and heat are required. Epoxy bmis phenolics vinyl ester for challenging applications, huntsman benzoxazine resins are an ideal alternative to conventional epoxy, phenolic and bmi resin systems. However, there are three different types of resins available for cipp lining, including polyester, vinyl ester, and epoxy. Aoc vipel f010 series is a bisphenola epoxy based vinyl ester resin dissolved in styrene.
Urethanemodified epoxy vinyl ester resin download pdf. The resin, which could be a polyester, epoxy or vinyl ester, is normally supplied as a viscous liquid. Epoxy resins have the best adhesion and chemical resistance of any resin. May 2010 the fantastic plastic place technical data highperformance marine vinyl ester resin tap plastics inc the fantastic plastic place continued on back description of resin tap marine vinyl ester resin is a prepromoted, thixotropic, vinyl ester resin suitable for fabricating small to large. However, there are situations where a styrene based resin is not appropriate, or. 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. Derakane momentum 4150 epoxy vinyl ester resin is based on bisphenola epoxy resin and provides resistance to a wide range of acids, alkalis, bleaches, and organic compounds for use in many chemical processing industry applications. The curing behaviour of the unsaturated polyester resin, vinyl ester resins and. Responsible care, iso 9001, iso 14001 and ohsas 18001. Epoxy resins produce a hard, durable film that holds up extremely well on interior applications.
These hybrid resins are toughened with epoxy molecules within the backbone. Pdf properties of a vinyl ester resin modified with a. Derakane and derakane momentum 510ac resins are brominated epoxy vinyl ester resins that offer a high degree of fire retardance1. The raw materials used in the manufacture of this resin are listed as acceptable in. They also offer high retention of strength and toughness at elevated. They offer high resistance to solvents, acids, and oxidizing substances such as chlorine. Used in corrosionresistant fiberglass reinforced plastic frp and coatings applications, derakane resins are specified by engineers who need global consistency and proven performance. A vinyl ester ve resin was modified with different concentrations of a liquid polymer, polyoxypropylenetriamine popta, in order to study the changes produced during curing and in its final. The advantages of epoxy resin versus polyester in marine. Vinyl ester resins for composites, in stock fibre glast. Derakane 8084 epoxy vinyl ester resin is an elastomer modified resin designed to offer increased adhesive strength, superior resistance to abrasion and severe mechanical stress, while giving greater toughness and elongation. Derakane 8084 epoxy vinyl ester resin is an elastomer modified resin designed to offer increased adhesive strength, superior resistance to. Epoxy adheres to wood much better than polyester does.
Polyacrylonitrile pan as4 carbon fibers hexcel inc. A guide to flash rust prevention and protection free pdf. Unsaturated polyester base resin see index 10042s styrer. I use epoxy when i feel it is prudent but really prefer the speed and ease of the ve and the compatibility with gelcoat. It features excellent impact strength and high tensile elongation. Install flanged nozzles with bolt holes straddling principle centerlines of the vessel. Vinylester is essentially a styrene modified epoxy resin.
469 453 526 1356 1150 808 1185 1186 461 133 553 193 167 542 581 1032 201 682 1454 1172 1188 697 311 767 577 1368 732 1455 1090 119 1286 490 601 534 1151 999 1226 1019 143 26 861 757