Hardenable mass with silane dendrimers

US6335413B1 · kind B1 · utility

Assignee

• ESPE Dental AG · DE

Inventors

• Joachim W. Zech · Kaufering, DE
• Gunther Lechner · Herrsching am Ammersee, DE

Key dates

• Filing date: Feb 3, 2000
• Grant date: Jan 1, 2002
• Expiry date: Feb 3, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S424/16
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to curable materials containing(A) optionally organopolysiloxanes with at least two unsaturated groups in the molecule,(B) organohydrogenpolysiloxanes with at least 3 SiH groups in molecule,(C) optionally organopolysiloxanes without reactive groups(D) catalyst(E) optionally hydrophilizing agents,(F) fillers and(G) optionally conventional dental additives, adjuvants and colorants, and(H) at least one silane dendrimer with terminal alkenyl groupsThe materials are particularly suitable for dental materials and are characterized by a particularly good end hardness with excellent processing viscosity.