Radiation-curable composition containing mercapto-functional polyorganosiloxanes for additive-manufacturing technology

US11267968B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Peter U. Osswald · Bohmte, DE
• Henning Hoffmann · Windach, DE
• Hendrick Grupp · Herrsching am Ammersee, DE
• Joachim W. Zech · Kaufering, DE
• Daniel D. Oberpertinger · Herrsching am Ammersee, DE
• Malte Korten · Moorenweis, DE
• Gallus Schechner · Herrsching am Ammersee, DE

Key dates

• Filing date: Jan 29, 2019
• Grant date: Mar 8, 2022
• Expiry date: Jan 29, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B33Y10/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a radiation-curable silicone composition for additive-manufacturing technology comprising mercapto-functional polyorganosiloxane(s) as Component A, organosiloxane(s) with at least two aliphatic unsaturated carbon-carbon moieties as Component B, photo-initiator(s) as Component C for initiating a curing reaction between Component A and Component B, dye(s) as Component D, and at least one of the following as Component E: solvent being able to dissolve the dye(s); and/or surfactant(s) being able to dissolve the dye(s).