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Epoxy is the family of basic components or cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional group is also collectively called epoxy. [1] The IUPAC name for an epoxide group is an oxirane.
Epoxy resins can be categorized into three distinct types based on the chemical structure of their resin backbone: aliphatic, cycloaliphatic, and aromatic epoxy resins. [4] An increase in the molecular length between reactive epoxy groups results in a reduction of crosslink density and resin modulus, while simultaneously enhancing the failure ...
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The vast majority of reagents are monosubstituted at the ylide carbon (either R 1 or R 2 as hydrogen). Disubstituted reagents are much rarer but have been described: [1] If the ylide carbon is substituted with an electron-withdrawing group (EWG), the reagent is referred to as a stabilized ylide. These, similarly to sulfoxonium reagents, react ...
Bisphenol S (BPS, dioxydiphenylsulfone) is an organic compound with the formula (HOC 6 H 4) 2 SO 2.It has two phenol functional groups on either side of a sulfonyl group. It is commonly used in curing fast-drying epoxy resin adhesives.
A generic epoxide. In organic chemistry, an epoxide is a cyclic ether, where the ether forms a three-atom ring: two atoms of carbon and one atom of oxygen.This triangular structure has substantial ring strain, making epoxides highly reactive, more so than other ethers.
C12-C14 alcohol glycidyl ether (AGE) is an organic chemical in the glycidyl ether family. [2] It is a mixture of mainly 12 and 14 carbon chain alcohols, also called fatty alcohols that have been glycidated.
Since 2000, however, epoxy and polyurethane resins are used in interiors as well, mainly in Western Europe. Synthetic casting "resin" for embedding display objects in Plexiglas/Lucite ( PMMA ) is simply methyl methacrylate liquid, into which a polymerization catalyst is added and mixed, causing it to "set" (polymerize).