مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

HIGH POROSITY POLYETHYLENE AEROGELS

Pages

  49-55

Abstract

 Monolithic AEROGELS of high molecular weight POLYETHYLENE (Mw=3×106- 6×106 g/mol) have been prepared by solvent extraction with SUPERCRITICAL CARBON DIOXIDE from THERMOREVERSIBLE GELS prepared in decalin. These low density and highly porous AEROGELS present an apparent porosity up to 90%. The aerogel morphology observed by scanning electron microscopy (SEM) is characterized by spherulitic structures being interconnected by fibers. The X-ray diffraction experiments show that PE AEROGELS are highly crystalline with a degree of crystallinity of c.a.80% and PE chains being packed into the typical orthorombic unit cell. The combined SEM and N2 sorption investigations show that PE AEROGELS are essentially macroporous with a small amount of mesopores. The oil-sorption performance of POLYETHYLENE AEROGELS has been also evaluated in this study in order to assess a possible use of these materials for OIL SPILLAGE RECOVERY and results show that aerogel macropores allow a very fast sorption kinetics with a 100% oil weight uptake obtained in less than 1 min.

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    APA: Copy

    DANIEL, CHRISTOPHE, LONGO, SIMONA, & GUERRA, GAETANO. (2015). HIGH POROSITY POLYETHYLENE AEROGELS. POLYOLEFINS JOURNALS, 2(1), 49-55. SID. https://sid.ir/paper/347246/en

    Vancouver: Copy

    DANIEL CHRISTOPHE, LONGO SIMONA, GUERRA GAETANO. HIGH POROSITY POLYETHYLENE AEROGELS. POLYOLEFINS JOURNALS[Internet]. 2015;2(1):49-55. Available from: https://sid.ir/paper/347246/en

    IEEE: Copy

    CHRISTOPHE DANIEL, SIMONA LONGO, and GAETANO GUERRA, “HIGH POROSITY POLYETHYLENE AEROGELS,” POLYOLEFINS JOURNALS, vol. 2, no. 1, pp. 49–55, 2015, [Online]. Available: https://sid.ir/paper/347246/en

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