Conference proceeding
Synthesis of organic-inorganic hybrid sol-gel materials with low volume-shrinkages
Polymeric Materials Science and Engineering Spring Meeting 1996. Vol. 74; New Orleans, Louisiana; USA; 24-28 Mar. 1996, pp.244-245
Polymeric Materials Science and Engineering, 74
Polymeric Materials Science and Engineering Spring Meeting 1996 (New Orleans, Louisiana, United States, 24 Mar 1996 - 28 Mar 1996)
24 Mar 1996
Abstract
A simple and fast method was developed for the synthesis of polyacrylates-silica hybrid materials with significantly low volume shrinkages through the sol-gel reactions of tetraethyl orthosilicate and 2-hydroxyethyl methacrylate along with a free-radical polymerization of the acrylate monomers. The volume shrinkage from the processible sol to the final product was approx6-20% for the hybrid materials with up to 47 wt.% silica content. As a result of the low shrinkage crack-free transparent and monolithic hybrid materials of relatively large sizes can be prepared within a short period of 6-12 h. The formation of covalent bonding between the organic and the silica components in the hybrid materials was demonstrated. The versatility of this method was demonstrated by the successful incorporation of other polymer structural units into the inorganic matrices via the addition of the second monomers such as MMA and AN into the reaction system prior to the molding and vinyl polymerization.
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Details
- Title
- Synthesis of organic-inorganic hybrid sol-gel materials with low volume-shrinkages
- Creators
- Y Wei - Drexel UniversityD Jin - Drexel UniversityC Yang - Drexel UniversityG Wei - Drexel University
- Publication Details
- Polymeric Materials Science and Engineering Spring Meeting 1996. Vol. 74; New Orleans, Louisiana; USA; 24-28 Mar. 1996, pp.244-245
- Conference
- Polymeric Materials Science and Engineering Spring Meeting 1996 (New Orleans, Louisiana, United States, 24 Mar 1996 - 28 Mar 1996)
- Series
- Polymeric Materials Science and Engineering; 74
- Number of pages
- 2
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Chemistry
- Identifiers
- 991019170477104721
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