The Preparation and Properties of meta-Carborane—Siloxane Elastomers

Author:

Peters E. N.1,Hedaya E.1,Kawakami J. H.1,Kwiatkowski G. T.1,McNeil D. W.1,Tulis R. W.1

Affiliation:

1. 1Union Carbide Corporation, Chemicals and Plastics, Bound Brook, New Jersey 08805, and Tarrytown Technical Center, Tarrytown, New York 10691

Abstract

Abstract A new synthesis of D2-carborane—siloxanes is described which overcomes many of the disadvantages of previous synthetic methods. Linear polymers with molecular weights up to 250,000 can now be prepared using silanol-silylurea condensation reactions. Elastomers with useful general properties and good retention of mechanical properties after heat aging in air at 315°C for 300 hr were produced. The property profile and ease of vulcanization suggest utility in high-performance sealant, gasket, O-ring, and coating applications.

Publisher

Rubber Division, ACS

Subject

Materials Chemistry,Polymers and Plastics

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1. Recent advances in carborane-siloxane polymers;Reactive and Functional Polymers;2022-04

2. Inorganic Polymers;Ullmann's Encyclopedia of Industrial Chemistry;2009-07-15

3. Preparation of Carborane-Siloxane Polymers;Inorganic Reactions and Methods;2007-05-29

4. Polymers Incorporating Icosahedral Closo-Dicarbaborane Units;Macromolecules Containing Metal and Metal-Like Elements;2006-11-17

5. Inorganic Polymers;Ullmann's Encyclopedia of Industrial Chemistry;2000-06-15

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