Back to results
US 2009/0155481 A1Published application
Low protonation constant hydroxy acids
AssigneeBwe I Malmo AB
InventorsNicola Rehnberg, Curt Persson
Life of this patent
Estimating the term…
Abstract
The present invention relates to a hydroxy-sulphureous acid, to a method for preparation of the hydroxysulphureous acid and to products based on said hydroxysulphureous acid, to methods for preparation of said products and to use of said products, wherein said hydroxysulphureous acid is used as building blocks for polymer systems, e g aqueous polymer systems such as inks, coatings, and adhesives.
Claims38
A hydroxysulphureous acid comprising the general formula I
- wherein z is an integer from 1 to 3,
- wherein m is an integer from 1 to 3,
- wherein each x independently is an integer from 0 to 1,
- wherein R is selected from the group consisting of:
- or a polymer having at least one terminal hydroxy group and a molecular weight below 2000, wherein said polymer is a polyester selected from the group consisting of a fatty acid ester, an unsaturated ester, an alkyd or an allylether polyester;
- or a polyether selected from the group consisting of an alkoxylated polyol propylene ether or an alkoxylated glycerol propylene ether;
- wherein spacer comprises aliphatic, linear, and/or branched, carbon rings or chains, or aromatics, optionally comprising heteroatoms selected from the group consisting of oxygen, nitrogen, sulphur or halogens;
- and
- salts of said hydroxysulphureous acid.
6 more elements
(canceled)
(canceled)
Dependencies are inferred from the claim text.