Product identifier product name flame retardant polyester resin 7600 product no. Isophthalic polyester resin a corrosion grade, prepromoted, thixotropic, isophthalic, polyester designed for hand layup. This colorless solid is an isomer of phthalic acid and terephthalic acid. Synthesis of unsaturated polyester resins from pet wastes. Abstract sheet molding compound smc parts are fiber. Unsaturated polyester resins are widely used in the. Also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion. Mpdiol glycol 2methyl1,3propanediol can be used in production of uprs with phthalic anhydride.
It is corrosion, temperature, solvent, and fuel resistant. Safety data sheet polyester resin product name jfix polyester resin part a product number jf380p 1. These versatile products feature high molecular weight and crosslink density, and offer good corrosion resistance in a variety of aqueous and acidic media. This is a highquality surface protection gel or lining that contains polyester resins, which that include isophthalic acid purified isophthalic acid or pia as an intermediate or saturated monomer. Mpdiol glycol for use in producing unsaturated polyester resins. Corrosionpedia what is a isophthalic polyester coating. Emulsions of unsaturated polyester resins for dressing glass fibers for the production of glass reinforced resin articles are described herein. Corrosion resistant resins for chemical containment and. Material safety data sheet mechster 3330 isophthalate polyester resin page 3 of 4 msds mechster 3330 modified 2012 section 9. This resin does not have to be used in mold making but, if you want to use it for general resin application the final coat has to have the wax tack free additive. The idea for this combination was introduced by carleton ellis in the 1930s. Unsaturated type resins, such as polyester resins, are thermoset, capable of being cured under the proper conditions.
Npg denotes that neopentyl glycol has been used in the formulation. There are a variety of resins available, which help determine the properties of the finished product. Furfuryl alcohol resins hetron 800 1001, 20011001, 2001 products highlighted in each row are sold as chemical equivalents of each other. Dion iso has exceptional physical strength properties, excellent handling characteristics, high heat resistance up to 300 f for many conditions, outstanding corrosion resistance, and is fda approved. Many translated example sentences containing unsaturated polyester resin germanenglish dictionary and search engine for german translations. The polyester resinbased adhesives can be divided into two distinctive groups. This is a direct measure of the degree of polyesterification, since acid groups which have reacted to form ester groups will not react with koh. Chemical resistance guide composite polyester resins. Corrosion resistant resins for chemical containment and piping.
Product identiflcatlon chemical family synthetic resin chemical name unsaturated polyester resin synonyms none chemical abstracts no. There are a broad range of polyesters made from different constituents, all having diverse propertiesacids, glycols and monomers, for example. The polyester resin remains stable for 3 months at 30 0 c in the dark and 4 months at 25 0 c. The 225 degree f service temperature resists exotherm and post cure problems. A peroxide compound, usually methyl ethyl ketone peroxide mekp is used to catalyze the resin, which crosslinks with some of the styrene, but not all of it. With thermoset polymers such as unsaturated polyesters and vinyl esters, a chemical reaction cross links the material so that it cannot be returned to liquid form.
Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. Iso resin has a flash point of 34 0 c and is classified as flammable. It has superior wetout and meets nsf14 and milr7575c standards. Corezyn isophthalic resins deliver superior performance, resulting from an optimum balance of reaction technique, esterification to a high molecular weight, and mole ratio of unsaturated acid to aromatic acid. Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular. Acid value of unsaturated polyester resins is reported in table 2. Hildeberto nava, stephen brooks and tony skrobacki. Maleic anhydride is a commonly used raw material with diacid functionality. Polyester resin are thermosetting and, cure exothermically. Isophthalic polyester resin for laminates requiring very high heat resistance. Corrosion resistant isophthalic and terephthalic resins footnotes on page 5.
Page 4 fireresistant resins marine vinyl ester and modified vinyl ester. Full text is available as a scanned copy of the original print version. It is both chemical and uv resistant and has excellent. Process for manufacturing unsaturated polyester resins. These resins are styrenebased, flammable and catalyzed when combined with. It has been especially formulated to provide rapid cure without the characteristic high exotherm normally associated with resins used in filament. Isophthalic polyester resins are undoubtedly of a highergrade and offer substantially higher strength, better flexibility and chemical resistance. As a repair for all kinds of surfaces, such as plaster, fiberglass, aluminum and wood except redwood and closegrained woods like oak or cedar. Particulate polymer composites of isophthalic resin iso filled with three lead oxides pbo, pbo 2 and pb 3o 4 were prepared with different filler concentrations and investigated for radiation. All of these resins have the same isophthalic backbone that gives them their corrosion.
Unsaturated polyester resinisophthalic resin iso resin. The structure of the obtained glycolysis product and unsaturated polyester resin were characterized by using ftir and nmr spectroscopy, and by acid, iodine, and hydroxyl value. Qqvihthcmhwdbsuhfffaoysan isophthalic acid chemical compound data. It is a medium viscosity unsaturated polyester resin based on isopthalic acid useful in the wide range of frp structure. Polyester resins in rotor blades, a cost reduction we4ce. Gel time for a given resin depends on initiator level, promoter level, second promoter level, and temperature. Type c, crystic 392 isophthalicnpg polyester resin for strong, durable laminates with exceptional resistance to a wide range of chemicals. Lead oxides filled isophthalic resin polymer composites. For increased resistance to osmosis, it can be used in the first layer of the laminate in boat hulls below the waterline. Peculiar characteristics of the invention are high mechanical stability, low hydrophylic property, high resistance to hydrolysis and a good substantivity and compatibility with the resin matrix of the final manufactured article. This resin can be purchased alone or as part of a resin and hardener kit. Polipol 381 isophthalic acidnpg based, highly reactive and high molecular weighted unsaturated polyester resin. Fiberglass reinforced plastics and resin information.
Influence of initiator on the curing of unsaturated polyester resin at. Wall panels fabricated from polyester resins reinforced with fiberglasssocalled. A process for manufacturing unsaturated polyester resins which comprises a reacting in a first stage a dialkyl terephthalate with a polyhydric alcohol in the presence of an interesterification reaction catalyst, b reacting in a second stage the reaction product of stage a with an unsaturated dicarboxylic acid and at least one polyhydric alcohol to produce an. Curing unsaturated polyester, vinylester and acrylate resins. These categories are described as orthophthalic ortho, isophthalic iso, dicyclopentadiene dcpd. The main industrial uses of purified isophthalic acid pia are for the production of polyethylene terephthalate pet resin and for the production of unsaturated polyester resin upr and other types of coating resins. It has better mechanical properties than compared to orthophthalic polyesters, a low viscosity, good wetting, and is fast curing. Oc450 is a rigid, high reactivity smcbmc resin based on isophthalte blocks. Dion 6631 series are prepromoted, thixotropic, corrosion grade isophthalic polyester resins. In any polyester, ortho or iso, the monomer is styrene 45% to 48% by volume usually. Orthophthalic polyester orthophthalic polyester resins are widely used.
Vinyl ester resins are produced by the reaction esterification between an epoxy resin and an unsaturated monocarboxylic acid. Wo2000023521a1 compounded unsaturated polyester resin. Throughout much of the composite or fiberglass industry, in traditional laminating, molding and casting systems two principle. Isophthalic acid is an organic compound with the formula c 6 h 4 co 2 h 2. Resins different types zcrosslinkedpolystyreneresins zpolyamineresins ztentagelresins zsoluble resins. Unsaturated polyester based adhesives usually involve the reaction between a dibasic acid or an anhydride and a diol. This technical bulletin deals with the use of organic peroxides for curing of unsaturated polyester resins and vinylester resins. Ayiswarya polymers iso certified 90012008, irs certified. This iso polyester resin offers fast wetout in sprayup or hand laminates. The curing of the resin is done using promot 6 and mekcat additives in specific ratios. Isophthalate resin isophthalic upr resin manufacturer. The performance of dion 6631 series resins has been proven by over 50 years of successful. Us8722770b2 unsaturated polyester resin or vinyl ester. It is a versatile resin, suitable for standard or flame retardant smcbmc, as well as low profit compounds with good surface finish.
Scott bader were the first uk company to manufacture unsaturated polyester resins in europe. Polyester resins can be further defined by their chemistry. Polipol 3801 isophthalic based, high reactivity, unsaturated polyester resin which has good chemical resistance and high hdt values. Add surface curing agent to resin and mekp to improve sanding properties in polyester resin. Epoxy is a highperformance resin with a low viscosity suitable for the resin infusion moulding rim system. Vinylesters have a unique chemistry and that shares many working properties with the polyesters.
Im looking for produceres dealers of isophtalic polyester resin located in europe. Choosing the right resin for the job polyester and epoxy resins have certain things in common, but each also has its own characteristics. Polyester resins are unsaturated synthetic resins formed by the reaction of dibasic organic acids and polyhydric alcohols. Home forum raw material selection isophtalic polyester resin.
The invention relates to unsaturated polyester resins and more particularly to compounded unsaturated polyester resin compositions with reduced monomer. Polyester resins are the most commonly used matrix in the marine and composite industry. Wood composites adhesively bonded with polyester resins modified according to this invention are particularly desirable for use in applications where exterior. Preaccelerated, thixotropic isophthalic polyester resin to be used in applications where increased resistance to heat and chemicals is required. In 1953 the crystic range of polyesters was introduced and. Its 225 degree f service temperature also resists exotherm and post cure problems. Since 1959, weve been working with manufacturers of reinforced plastic composites to build better, stronger, tougher and longerlasting products. Organic polymers are divided into two types, reinforcedthermoplastic and thermoset. Commonly used resins for construction products include.
Isophthalic polyester resin also can be used where superior water resistance is desirable. Polyester resins are used in sheet moulding compound, bulk moulding compound and the toner of laser printers. Us4977191a watersoluble or waterdispersible polyester sizing. The resin stability deteriorates markedly at elevated temperature, especially when exposed to direct sunlight. Unsaturated polyester resin compositions download pdf. This resin is generally used in mold making because of its extreme durability.
Interplastic corporation is the highperformance resin specialist you can count on. A watersoluble or waterdispersible polyester resin composition, suitable for textile sizing applications, comprises a reaction product of 2050% by weight of. Siropol 8351 is non promoted medium reactivity, orthophthalic polyester resin dissolved in styrene monomers. Polyester resin are used in sheet moulding compound and bulk moulding compound. Ellis discovered that unsaturated polyester resins made by reacting glycols with maleic anhydride could be cured to insoluble solids simply by adding a peroxide catalyst. Offering isophthalic polyester resin, in faridabad, haryana. Highstrength isophthalic is a thixotropic, lowviscosity, polyester resin with excellent heat and chemical resistance. An unsaturated polyester up is a macro molecule average. To illustrate the important differences further, in laboratory tests, a fiberglass reinforced isophthalic polyester resin panel showed 10% higher flexural and 20% higher tensile properties than a comparable panel using orthophthalic polyester resin.
Flush eyes with copious amount of water for at least 15 minutes. Mpdiol glycol 2 methyl1,3propanediol can be used in production of uprs with phthalic anhydride. The polyester molecule is dissolved in the styrene. Continuous online process control of polyester resins. The advantages of epoxy resin versus polyester in marine. Unsaturated polyester resin for specialty applications. The present invention relates to an unsaturated polyester resin or vinyl ester resin composition, wherein the unsaturated polyester resin or vinyl ester resin composition comprises an unsaturated polyester resin or vinyl ester resin and a copper compound and an acetoacetamide compound having the following formula. Vrp 2122 is a medium reactive unsaturated polyester resin processed from washed recycled pet flakes or granules. Hydroxyl value, mg kohg by titration with method astm e 222. Without curing agent sometimes call wax polyester resins will not fully surface cure even though the surface may not seem tacky.
Electrical resistant polyester resin 48 electrical resistant polyester resins can be prepared by using dibasic acids e. For example, with derakane 411 ve mekp 1%, conap 0. Without special catalysts, they cure only at elevated temperatures. 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. Wo1994019403a1 unsaturated polyester resin compositions. Relevant identified uses of the substance or mixture and uses advised against identified uses resin. Polyester resin kits consisting of a base material component class 3, packing group ii or iii or division 4.
Polyester resin are unsaturated resin formed by the reaction of organic acid and polyhydric alcohols. Isophthalic polyester resin in stock same day shipping. Add to tap bond coat, structural layup, or isophthalic resins and vinyl toachieveafull surfacecure. Us6808788b2 method for strengthening wood products and. The isophthalic acid enhances chemical resistance, though it increases the. Details of the supplier of the safety data sheet supplier web jcp construction products unit 14, teddington industrial estate teddington. This is a symmetrical glycol allowing a closeknit molecular structure which resists chemical attack. Cast resin specimens cured for 24 hours at 20c, followed by 5 hours at 80c and 3 hours at 120c, tested to bs 2782. Ep0181839a2 aqueous emulsions of unsaturated polyester.