Addition-crosslinking polyether impression material
AssigneeThera Patent GmbH & Co. KG Gesellschaft fur Industrielle Schutzrechte
InventorsJoachim Zech, Erich Wanek
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Abstract
An addition-crosslinking polyether impression material is described which ntains (a) at least one polyether which has at least two optionally substituted vinyl and/or allyl end-groups, (b) an SiH component, (c) at least one platinum catalyst, (d) optionally usual additives, and (e) an organopolysiloxane with at least two alkenyl groups. The impression material has in at least two-part form of administration in which the components (b) and (c) are spatially separated from each other a particularly satisfactory storage stability and has good mechanical properties in the cured state.
Claims21
An addition-crosslinking polyether impression material which contains
- (a) a polyether which has two or more optionally substituted vinyl and/or allyl end-groups,
- (b) a SiH component,
- (c) a platinum catalyst,
- (d) optionally usual additives, and characterized in that it additionally contains
- (e) an organopolysiloxane with two or more alkenyl groups.
A method of producing a dimensionally stable jaw impression, comprising the step of forming a negative impression meterial in a patient's mouth with a dental impression material that is an addition-crosslinking polyether impression material containing:
- (a) a polyether which has two or more optionally substituted vinyl and/or allyl end-groups,
- (b) an SiH component,
- (c) a platinum catalyst,
- (d) optionally usual additives, and
- (e) an organopolysiloxane with two or more alkenyl groups.
Dependencies are inferred from the claim text.