Us3511922a electrical insulator of hydrophthalic anhydride. Cycloaliphatic epoxy resins tta21 cas no 2386870 buy. A new cycloaliphatic amine coatings and composites. Mar 02, 2018 cycloaliphatic compounds include cyclopropane, methylcyclohexane and heptalene. Cycloaliphatic epoxy resins for aces applications brenntag. This resin is more hydrophobic and can provide better surface wetting. Cycloaliphatic amines epochemie epoxy curing agents. The a epoxy, or 1,2 epoxy, is the most common type of functional moiety. Cycloaliphatic amine an overview sciencedirect topics. Achiewell cycloaliphatic epoxy resin can be used as frps electricalinsulating varnishes, electrical resin porcelains, insulating sealants for semiconductors, transparent insulating sealants for lightemitting diode, ultravioletcuring coating materials, coating curing agents, and the acid scavenger for resins containing halogen. A major use of these products is base amines for the manufacturing of curing agents for use in epoxy resin systems. High compression strength and other qualities of cycloaliphatic epoxy make these feedthru bus supports reliable for many years of service. All major switchgear manufacturers throughout the world use cycloalaphatic insulators to some degree in their products. This product is moisture insensitive and has good chemical resistance and physical properties including approximately 20% elongation, slow and gentle exotherm and has a cycloaliphatic curing agent.
Applications of ftir on epoxy resins identification. The cycloaliphatic epoxy resin is added to the oil to stabilize by scavenging free chloride radicals that appear due to thermal decomposition of chlorinated paraffins. Huntsmans cycloaliphatic epoxy resins are designed for use in indoor and outdoor applications such as. Cycloaliphatic pourable table top bar top epoxy only source. The company has provided a large number of specialty epoxy resins both domestically and internationally for over a decade. Cycloaliphatic compounds include cyclopropane, methylcyclohexane and heptalene. Other resin blends available upon request on a madetoorder basis. The isothermal and nonisothermal cure kinetics of the benzoxazine and cycloaliphatic epoxy resin reaction was studied. Oligofluorosiloxane dfos and epoxy containing oligofluorosiloxane dfehos were synthesized by the hydrolytic condensation reaction to modify 3, 4epoxycyclohexylmethyl3, 4epoxycyclohexanecarboxylate erl4221 for potential application in led packaging. Oct 26, 2018 the cycloaliphatic epoxy resin selected for this study was 3,4epoxycyclohexane methyl3. The isothermal and nonisothermal cure kinetics of the benzoxazine and cycloaliphatic epoxy resin. Cycloaliphatic epoxy resins tta21 cas no 2386870, find complete details about cycloaliphatic epoxy resins tta21 cas no 2386870,cycloaliphatic epoxy resin,2386870 from appliance paint supplier or manufacturerhainan zhongxin chemical co. Cycloaliphatic amines are another group of curing agents that are less volatile than.
It is especially interesting to see the first two of these c ompanies using cycloaliphatic epoxy. This web page summarizes information in pubchem about patent us7754824. Cycloaliphatic epoxy resin for enhanced uv resistance hexions cycloaliphatic epoxy resin eponex resin 1510 is useful in applications where improved outdoor resistance, as compared to standard bisphenol a or bisphenol f diglycidyl ether epoxies, is needed. These specialty epoxy resins deliver improved performance characteristics over standard resins, including chemical resistance, thermal performance, modulus, cure speed and uv resistance than standard liquid epoxy resins. Max diamond clear ab epoxy system is a crystal clear cycloaliphatic based epoxy resin system that demonstrates low yellowing performance suitable for direct sunlight and outdoor exposure. Eponex resins uvresistant cycloaliphatic epoxy resin. Because it is fully aliphatic it is well suited to withstand sun and uv exposure in outdoor use. Cycloaliphatic resins epotechaditya birla chemical. Our range of cycloaliphatic epoxy hardener is developed from the best quality base materials as per the national and international quality norms.
Electrical insulator of hydrophthalic anhydride cured cycloaliphatic epoxy resins for overhead lines download pdf info publication number us3511922a. Us6429281b1 hydrophobic, high tg cycloaliphatic epoxy. It contains no vocs and is relatively moisture insensitive. It is also used with epoxidized natural rubber and dissolved in glyddyl methacrylate gma to form coating systems. Chemical name structure epoxy resin ach gma 106912 glycidyl methacrylate gma ach cer 4221 2386870 3,4epoxycyclohexylmethyl3,4epoxycyclohexanecarboxylate ach cer 4299 3196 bis3,4epoxycyclohexyl methyl adipate ach cer vcmx 106865 4vinylcyclohexene oxide ach cer 4206 106876 4vinylcyclohexene dioxide ach cer lmo 1195922. Cycloaliphatic epoxy resin modified by two kinds of oligo. Coating crosslinking reactions using cycloaliphatic epoxides.
Dendritic polyol, cycloaliphatic epoxy resin and cationic. There are two commercial types of cycloaliphatic epoxy resins in widespread use. Photocuring and thermal postcuring of a cycloaliphatic. A related class is cycloaliphatic epoxy resin, which contains one or more cycloaliphatic rings in the molecule e. The epoxy resin coating significantly reduced electroosmotic flow over a ph range. Cycloaliphatic amines exhibits good film hardness and film properties of excellent gloss. Two cases of occupational allergic contact dermatitis from a.
Sep 24, 2019 this is a solid epoxy designed from the upgrade of cycloaliphatic amines by chemistry through combining it with specialty aliphatic amines. Cycloaliphatic epoxy resins hydrogenated bisphenol a epoxy resin properties and applications. It is a low viscosity resin that is primarily designed for use with anhydride curing agents for electrical insulation applications. Epoxy resin has numerous applications, such as varnishes, tires. This coating was sufficiently hydrophilic to suppress protein adsorption.
Introduction epoxy resins are a family of thermosetting materials widely used as adhesives, coatings and. The epoxy resin was present in the oil at a concentration of 0. Bisphenola benzoxazine and cycloaliphatic epoxy copolymer. Epikure cycloaliphatic amines have long been standard curing agents for civil engineering, coating and composites applications, with new uses being found all the time. The preparation of ultrathin cfrp laminates, which incorporate a cycloaliphatic epoxy resin reinforced with polyhedral oligomeric silsesquioxane poss reagent nanofiller, using outofautoclave procedure is reported. Ideal for high solid protective coatings, selflevelling floor coating and structural steel. Tougher cycloaliphatic epoxide resins wells carter, keith lamb, and mark jupina, the dow chemical company, usa introduction cycloaliphatic epoxides are used in cationic uv coatings to provide good cure rate and hardness. Epalloy 5200 is a difunctional cycloaliphatic glycidyl ester based on hexahydrophthallic anhydride. Development of cycloaliphatic epoxyposs nanocomposite. Synthesis and properties of cycloaliphatic epoxy resins. Cycloaliphatic epoxy resins presented at a meeting of the thermoset resin formulators association at the hyatt regency savannah, september 10 11, 2007.
The chemistry is used in the manufacturing of twocomponent epoxy coatings and primers. Mar 26, 2003 the cycloaliphatic epoxy resin in the epoxy series gave strong positive reactions in both patients. These lowviscosity, highly reactive hardeners help produce resins with. There are only few reports of sensitization from cycloaliphatic epoxy resins in oils. Cycloaliphatic epoxy insulators meister international.
Preparation of cycloaliphatic epoxy hybrids with non. The manufacturer confirmed that the cycloaliphatic epoxy resin was contained in the positive fraction and present in the oil. Pdf curing properties of cycloaliphatic epoxy derivatives. The bf 3 mea curing reaction and the cured properties of novel cycloaliphatic epoxy resins ce. Epoxy plus designer epoxy epe100 is a two component, high performance modified cycloaliphatic epoxy concrete floor coating system. It is a twophased toughened epoxy resin system consisting of part a resin mixture of diglycidylether of bisphenola, aliphatic diglycidylether epoxy toughener and part b hardener, mixture of cycloaliphatic amine and polyoxylalkylamine. Cycloaliphatic epoxy resin coating for capillary electrophoresis. The epoxy resin coating significantly reduced electroosmotic flow over a ph range of 310. Inventive compounds are based on polycyclic hydrocarbon backbones, as illustrated by the following exemplary structure. Cycloaliphatic epoxy module environment tests 2 kure beach, north carolinalaque corrosion services inc. Among their most notable features are inherently low viscosity, coupled with excellent weathering and electrical.
For example, the sales volume of tta21 has reached 1500mts in 2014, of which domestic sales takes more than 30% of domestic market share. A cycloaliphatic compound has many industry uses in manufacturing resin, coatings, hardeners and additives. Download citation cycloaliphatic epoxy resin coating for capillary electrophoresis coating the interior surface of a fusedsilica capillary with a polymeric material has long been used in. Eponex resins uvresistant cycloaliphatic epoxy resin hexion. Each of these cycloaliphatic epoxy resins has a number of unique characteristics favoring them for use in certain specialized applications. Its epoxy chemistry provides excellent bonding characteristics. The material has been in common use in europe for a generation, and other u. Powell is far from alone in using cycloaliphatic epoxy insulation. Epoxy resins made of longchain polyols are also added to improve tensile strength and impact strength. They have a variety of applications, including 3d printing, coatings, adhesives, and electronics, among others. Bioclear 810 epoxy is a 100% solids, low viscosity, clear resin system designed for tables and bar tops. Oct, 2000 the relatively slow reaction rate of cycloaliphatic epoxides at high ph see figure 1 but good reactivity with carboxylic acids suggests they can be used as crosslinkers for waterborne anionic, aminestabilized dispersions. A difunctional cycloaliphatic epoxy resin was polymerized in the presence of triarylsulfonium hexafluoroantimonate salts cationic photoinitiator.
Connect with a team member to help you select the right. Cycloaliphatic epoxy supplier nagase america corporation. Ethylene oxide, 193 194 handbook ofthermoset plastics is the simplest type of 1,2. There is provided a cycloaliphatic resin, from which it is possible to formulate anticorrosive coatings, using the cycloaliphatic resin alone or as hybrid with epoxy cycloaliphatic resins or hydroxyfunctionalized resins. They are used with the mentioned materials to address the issue of slow reaction and brittleness of highly crosslinked or rigid network cationic photo polymerizations of epoxides. Jul 01, 2015 the company has provided a large number of specialty epoxy resins both domestically and internationally for over a decade. Tetra, the leading provider of cycloaliphatic epoxides. Currently, tetra is the biggest cycloaliphatic epoxy resin producers in china. Cycloaliphatic epoxy resin, which contains rigid group epoxy cyclohexyl is expected for higher reaction speed in photopolymerization and greater tensile strength than that of glycidyl ether resin. Mixtures with cycloaliphatic epoxy resin concentration greater than 25 wt. Chemically, an epoxy resin contains more than one a epoxy group situated terminally, cyclicly, or internally in a molecule which can be converted to a solid through a thermosetting reaction. The products made from cycloaliphatic hydrocarbons have proven to play a role in highperformance coatings, composites and adhesive applications.
Toughened cycloaliphatic epoxy resin for demanding thermal. The influence of the amount of poss within the laminate on the mechanical properties and surface roughness of the laminates is analysed before and after. Eponex resins are unique low viscosity epoxy resins designed to have improved performance compared to conventional bisphenola bpa type resins. Cycloalaphatic epoxy the resin is an organic compound with a ringlike molecular structure and thus the termcyclo insulators have proven themselves in all types of electrical operating environments and voltages. A cycloaliphatic epoxidebased resin was bonded to silane treated capillaries and crosslinked with a curing agent. Polyols can be used in cationic coatings to improve coating flexibility and they help improve the throughcure rate.
Cycloaliphatic epoxy resins our araldite line of very low viscosity, difunctional cycloaliphatic epoxy resins are designed for epoxy formulators needing hightemperature resistance, good electrical insulation performance and uv resistance. A novel variety of cycloaliphatic epoxy resins containing imide and diphenyl sulfone named as 4,4. This site is considered an extremely severe coastal installation. Two cases of occupational allergic contact dermatitis from. Cycloaliphatic epoxy resins robert kultzow and stephanie foxhill. In accordance with the present invention there are provided cycloaliphatic epoxy compounds and thermosetting resin compositions prepared therefrom. Epoxy plus designer epoxy epe100 is a two component, high. It can be applied as a 12 to 50 mil coating system. Cycloaliphatic epoxy hardener cycloaliphatic epoxy hardener. Ultra low viscosity epoxy resin modified with a cycloaliphatic polyglycidyl ether free of any organic solvent for high solids coating formulations with low volatile organic compound voc emissions, excellent application, corrosion and chemical resistance. Nanomer i28e nanoclay, procured from sigmaaldrich co. Cycloaliphatic epoxy resins thermoset resin formulators.
Cycloaliphatic feedthru bus insulators are designed as a support insulator for bus bars in air insulated metalclad and metal enclosed switchgear. Cycloaliphatic epoxy resins are a unique class of materials that are characterized by nonaromatic saturated rings in their molecular structures. Tetra, the leading provider of cycloaliphatic epoxides jec. Epikure cycloaliphatic amines have long been standard.
Its design features provide for the highest industrial and commercial demands. Eponex resins are recommended as a building block resin for preparations of low viscosityhigher molecular weight epoxide resins and low viscosity esters using. This includes chemicals mentioned, as reported by pubchem contributors, as well as other content, such as title, abstract, and international patent. Dendritic polyol, cycloaliphatic epoxy resin and cationic initiator. The chemical structures of dfos and dfehos were characterized by fourier transform infrared ftir, 29si nuclear magnetic resonance.
Cycloaliphatic definition and meaning collins english. We are reckoned in the market as a prime manufacturer, supplier and exporter of cycloaliphatic epoxy hardener. These eponex reins are cycloaliphatic glycidyl ethers used to obtain epoxy performance in coatings, electronics and specialty composites where uv resistance is a requirement. Us9540542b2 cycloaliphatic resin, method for obtaining the. The basis of the product line is liquid epoxy resins chs epoxy 520, chs epoxy 525, chs epoxy 530. Gelation time and the dsc scan of the ce resins, with bf 3 mea hardener, proved that the reactivity of the ce resins is intermediate among the reactivities of the conventional resins. The cycloaliphatic hardeners are used in combination with liquid epoxy resins, or epoxy resin modified by means of reactive as well as nonreactive diluents. Cycloaliphatic epoxy resins form the basic materialcoating properties for cationic uv curing. Preparation of cycloaliphatic epoxy hybrids with nonconventional aminecuring agents mar.
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