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US 2014/0179936 A1Published application
Epoxidation of glycerol and derivatives therefrom
OwnerAndre Pienaar, Laurence Justin Pienaar Wilson +1inventors
InventorsAndre Pienaar, Laurence Justin Pienaar Wilson, Michael Stockenhuber
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Abstract
A method producing a surfactant from glycerol by converting glycerol, in a first step, to glycidol, polymerizing glycidol to an aliphatic alcohol and finally substituting a hydroxyl group with a substitute anion.
Claims36
A method of producing a surfactant from glycerol which includes the steps of:
- (a) converting glycerol to glycidol;
- (b) polymerizing glycidol to produce an aliphatic alcohol with a molecular formula CnH(2n+2)Oy, wherein n and y are numerical integers with n in the range 3 to 30 and y=n−1;
- and
- (c) substituting the hydroxyl moiety of the alcohol with a suitable head group.
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A method of producing glycidol from glycerol which includes the steps of:
- a) dehydrating glycerol to acrolein;
- b) hydrogenating the acrolein to allyl alcohol;
- and
- c) epoxidizing the allyl alcohol with hydrogen peroxide, to glycidol.
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A method of producing an explosive compound from glycerol which includes the steps of:
- (a) converting glycerol to glycidol;
- (b) polymerizing glycidol (the monomer) to produce an aliphatic polyol (the polymer) with molecular formula CnH(2n+2)Oy, wherein n and y are numerical integers, with n in the range 3 to 30 and y=n−1;
- (c) activating the aliphatic polyol by substituting each of the hydroxyl moieties with a suitable leaving group to form an activated intermediate;
- and (d) nitrating the activated intermediate to substitute each of the leaving groups with a nitrate moiety to produce the explosive compound.
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Dependencies are inferred from the claim text.