Polymer Bulletin

, Volume 72, Issue 7, pp 1563–1593 | Cite as

Improvement of photo- and biodegradation of LLDPE/LDPE with a novel cobalt (II) 11-(9Z, 12Z-octadeca-9, 12-dihydroxy)-10, 13-dihydroxyactadecaneate cinnamic dextrose additives

Original Paper

Abstract

A new synthesized of cobalt ricinoleic linoleate (11(-9Z, 12Z-octadeca-9, 12-dihydroxy)-10, 13-dihydroxyactadecaneate) cinnamic dextrose (cobalt RLCD) additives and it has been incorporated into the blend of linear low density polyethylene/low density polyethylene (LLDPE/LDPE) blend was mixed to compound by using Haaky extrusion. The blend is 50:50 was mixed in various formulations of the additives such as 1, 3, and 5 wt%. The LLDPE/LDPE with additives has been evaluated first by photodegradation under specified hours followed by biodegradation studies at the end of 90 days. The photodegradation followed by biodegradation studies was monitored by changes in the structural, mechanical, morphological, thermal properties, number and weight average molecular weight (Mn and Mw), polydispersity index (PI), melt flow index, density, burst strength, static and kinetic coefficient, oxygen permeability test, and contact angle measurement. Toxicity analysis of one of the thermophilic bacteria was identified by 16S rRNA sequencing, and the percentage of biodegradation is 26 % at the end of 90 days.

Keywords

Photodegradation LLDPE/LDPE Cobalt ricinoleic linoleate Cinnamic dextrose Gel permeation chromatography (GPC) 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Department of Plastic TechnologyCentral Institute of Plastic Engineering and Technology (CIPET)ChennaiIndia

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