Curable silicone impression materials with high tear strength and low consistency
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Accused Products
Abstract
The invention relates to curable silicone compositions which contain silane based crosslinkers and a mixture of different organopolysiloxanes. The compositions are particularly suitable as curable impression materials in dental applications.
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Citations
27 Claims
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1-14. -14. (canceled)
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15. A curable material comprising:
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(A) at least two different types of organopolysiloxanes, (A1) and (A2), with at least two ethylenically unsaturated groups per molecule;
(B) organohydrogenpolysiloxane with at least three SiH groups per molecule;
(C) a catalyst for promoting the reaction between (A) and (B);
(D) filler;
(E) at least one silane with at least two alkenyl groups per molecule;
wherein the at least two different types of organopolysiloxanes have different viscosities and the consistency of the curable material according to ISO 4823 is greater than 35 mm. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification