Non-Shrinking Sol-Gel Type Polymers by Ring Opening Polymerizations

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Description

We have designed a new class of cyclic siloxane compounds that behave as sol-gel systems when ring open polymerized using a hydroxide base. These monomers polymerize through chain growth polymerization. unlike conventional alkoxysilane sol-gel precursors, to form sol-gel polymers. They do not require solvent or water for polymerization, show no visible shrinkage or cracking during polymerization and are thermally stable. We have successfully utilized these materials in encapsulation of microelectronics. Current efforts are focused toward expanding this family of ROP monomers and optimization of their mechanical properties.

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3 p.

Creation Information

Loy, D.A. & Rahimian, K. April 5, 1999.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

We have designed a new class of cyclic siloxane compounds that behave as sol-gel systems when ring open polymerized using a hydroxide base. These monomers polymerize through chain growth polymerization. unlike conventional alkoxysilane sol-gel precursors, to form sol-gel polymers. They do not require solvent or water for polymerization, show no visible shrinkage or cracking during polymerization and are thermally stable. We have successfully utilized these materials in encapsulation of microelectronics. Current efforts are focused toward expanding this family of ROP monomers and optimization of their mechanical properties.

Physical Description

3 p.

Notes

OSTI as DE00005688

Medium: P; Size: 3 pages

Source

  • American Chemical Society, Anaheim, CA (US), 03/21/1999--03/25/1999

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Identifier

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  • Report No.: SAND99-0809C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 5688
  • Archival Resource Key: ark:/67531/metadc697680

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Creation Date

  • April 5, 1999

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 10, 2017, 7:35 p.m.

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Loy, D.A. & Rahimian, K. Non-Shrinking Sol-Gel Type Polymers by Ring Opening Polymerizations, article, April 5, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc697680/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.