Process for the preparation of microencapsulated products having organopolysiloxane walls

US6251313A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Bernward Deubzer · Burghausen, DE
• Jochen Dauth · Burghausen, DE

Key dates

• Filing date: Mar 3, 1999
• Grant date: Jun 26, 2001
• Expiry date: Mar 3, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

In the preparation of microcapsules having shell walls of organopolysiloxane and a core material, the shell walls are produced in situ by hydrolysis and polycondensation of organosilanes and/or their condensates having not more than 4 silicon atoms.