Polycondensates Having Isobutylene Side Chain
AssigneeConstruction Research & Technology GmbH
InventorsAlexander Kraus, Frank Dierschke, Fabian Becker
Life of this patent
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Abstract
The invention relates to a polycondensation product based on aromatics and/or heteroaromatics and aldehydes, said polycondensate containing at least one structural unit (I) having a polyisobutylene side chain and an aromatic or heteroaromatic and at least one structural unit (II) having an ionizable functional group and an aromatic or heteroaromatic, structural unit (I) not being the same as structural unit (II) and the aldehyde used having no acid or ester functions. A process for the preparation and the use as an additive for hydraulic binders are disclosed.
Claims17
1-16. (canceled)
Polycondensation product based on aromatics and/or heteroaromatics and aldehydes, wherein the product contains
- a) at least one structural unit (I) having a polyisobutylene side chain and an aromatic or heteroaromatic and
- b) at least one structural unit (II) having an ionizable functional group and an aromatic or heteroaromatic,
- structural unit (I) differing from structural unit (II) and the aldehyde used having no acid or ester functions.
Dependencies are inferred from the claim text.