Synthesis and characterization of acrylic rubber/silica hybrid composites prepared by sol-gel technique
β Scribed by Abhijit Bandyopadhyay; Anil K. Bhowmick; Mousumi De Sarkar
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 324 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0021-8995
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Silica gels that controlled the pore size were prepared by calcination of silica/organic polymer (50/50 wt %) composites prepared by the sol-gel process. Poly-(ethylene oxide) (PEO) -poly(propyrene oxide) (PPO) -PEO triblock copolymers, which are called poloxamers, were used as an organic polymer. T
Organosoluble polyimide/silica hybrid materials were prepared using the sol-gel process. The organosoluble polyimide was based on pyromellitic anhydride (PMDA) and 4,4Π-diamino-3,3Π-dimethyldiphenylmethane (MMDA). The silica particle size in the hybrid is increased from 100 -200 nm for the hybrid co
Polyimide-silica (PI-SiO 2 ) hybrids with a nanostructure was obtained using the nonaqueous sol-gel process by polycondensation of phenyltriethoxysilane in a polyamic acid solution. Self-catalyzed hydrolysis of phenyl-substituted akoxysilane and modification on the polyimide structure are applied an