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Study on deodorizing polyethylene film made from waste shell powder  

Chun Byoung Chul (수원대학교 신소재공학과)
Chung Yong-Chan (수원대학교 신소재화학과)
Chong Mi Hwa (수원대학교 신소재공학과)
Park Jung-Hwan (수원대학교 신소재화학과)
Kweon Oh-Cheul (한국포장개발연구원)
Publication Information
Resources Recycling / v.12, no.1, 2003 , pp. 48-54 More about this Journal
Abstract
Odor-removing polyethylene film utilizing waste shell powder (annual production: 250,000 ton) was prepared. Odor removal was designed to work by cation or cationic surfactant adsorbed onto the shell surface by ion-exchange: cationic surfactants (DTAB (n-dodecyltrimethylammonium bromide), CTAB (n-cetyltrimethylammonium bromide) and DHAB (n-dihexade-cyldimethylammonium bromide), and cations $Ce^{3+}$ , $Mg^{2+}$ and $Al^{3+}$) were used. Surface-modified waste shell powder was com-pounded with LDPE to produce 20 wt% shell masterbatch (MB), and the MB was again blended with LDPE to get shell-containing LDPE films with 3,5, 10 wt% of shell (width: 40 cm, thickness: 40 $\mu\textrm{m}$). Mechanical properties of the various shell-LDPE films maintained more than 80 % of that of pure LDPE film. Both shell film modified with cationic surfactant and one without shell surface-modification showed excellent odor-removing ability.
Keywords
shell powder; odor-removing; polyethylene film; mechanical property;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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