Glycerol based unsaturated polyester resins and raw materials therefor
Disclosed is a process for the preparation of glycerolacetylesters, in which acetic acid and glycerol having the molar ratio of less than 2.5 are reacted in the presence of a stannous catalyst (e.g. Fascat 4102 / monobutyltin tris(2-ethylhexanoate)) to produce a mixture of glycerol, mono-, di- and t...
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Format | Patent |
Language | English |
Published |
31.03.2016
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Abstract | Disclosed is a process for the preparation of glycerolacetylesters, in which acetic acid and glycerol having the molar ratio of less than 2.5 are reacted in the presence of a stannous catalyst (e.g. Fascat 4102 / monobutyltin tris(2-ethylhexanoate)) to produce a mixture of glycerol, mono-, di- and triacetylglycerolester. The amount of tri-ester may be less than 15 mol%, the amount of glycerol may be less than 25 mol%, the amount of monoester may be about 20 mol% or more and the amount of diester may be about 20 mol% or more preferred about 40 mol% or more. Also disclosed is an unsaturated polystyrene comprising polyester comprising more than 5 wt% of the glycerolacetylesters obtained by the above process, and copolymerized into the polymer, said polyester also preferably comprises more than 10 mol% of a poly-acid component in the unsaturated polyester, the poly-acid component being a polymerized residue of fumaric or maleic acid. |
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AbstractList | Disclosed is a process for the preparation of glycerolacetylesters, in which acetic acid and glycerol having the molar ratio of less than 2.5 are reacted in the presence of a stannous catalyst (e.g. Fascat 4102 / monobutyltin tris(2-ethylhexanoate)) to produce a mixture of glycerol, mono-, di- and triacetylglycerolester. The amount of tri-ester may be less than 15 mol%, the amount of glycerol may be less than 25 mol%, the amount of monoester may be about 20 mol% or more and the amount of diester may be about 20 mol% or more preferred about 40 mol% or more. Also disclosed is an unsaturated polystyrene comprising polyester comprising more than 5 wt% of the glycerolacetylesters obtained by the above process, and copolymerized into the polymer, said polyester also preferably comprises more than 10 mol% of a poly-acid component in the unsaturated polyester, the poly-acid component being a polymerized residue of fumaric or maleic acid. |
Author | VERBEEK JOHAN KING CHRISTOPHER PICKERING KIM VILJOEN CARMEN |
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RelatedCompanies | WAIKATOLINK LIMITED NUPLEX RESINS B.V |
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Snippet | Disclosed is a process for the preparation of glycerolacetylesters, in which acetic acid and glycerol having the molar ratio of less than 2.5 are reacted in... |
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SubjectTerms | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
Title | Glycerol based unsaturated polyester resins and raw materials therefor |
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