Resins of the phenoplast type obtained from phenolic compounds and from macromolecular hardeners bearing aldehyde functions
AssigneesCentre National de la Recherche Scientifique (CNRS), Universite Montpellier 2 Sciences Et Techniques, Ecole Nationale Superieure De Chimie De Montpellier
InventorsSylvain Caillol, Bernard Boutevin, Ghislain David, Carine Burguiere
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Abstract
A method for preparing a formaldehyde-free phenolic plastic resin, includes a step of preparing a hardener via careful oxidation of a polyol and a step of reacting the hardener with phenolic compounds.
Claims13
A method for preparing a phenoplast resin without using any formaldehyde, comprising:
- preparing a macromolecular hardener bearing aldehyde functions by controlled oxidation of the primary alcohols of a polyol bearing primary alcohols, and
- reacting phenolic compounds with said hardener, wherein said phenolic compounds are selected from the group consisting of acid-phenols, coumarins, naphthoquinones, stilbenoids, flavonoids, isoflavonoids, anthocyans, lignans, lignins, condensed tannins and hydrolyzable tannins.
A method for preparing a phenoplast resin without using any formaldehyde, comprising:
- preparing a macromolecular hardener bearing aldehyde functions by controlled oxidation of the primary alcohols of a polyol, and
- reacting phenolic compounds with said hardener, wherein said phenolic compounds are selected from the group consisting of acid-phenols, coumarins, naphthoquinones, stilbenoids, flavonoids, isoflavonoids, anthocyans, and lignans.
A method for preparing a phenoplast resin without using any formaldehyde, comprising:
- preparing a macromolecular hardener bearing aldehyde functions by controlled oxidation of the primary alcohols of a polyol, and
- reacting phenolic compounds with said hardener, wherein said phenolic compounds are selected from the group consisting of stilbenoids, flavonoids, and isoflavonoids.
Dependencies are inferred from the claim text.