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- W2188348541 abstract "A new class of multifunctional additives (MFA) has been synthesized and their photo-biodegradation performance with low density polyethylene (LDPE) film was evaluated. The LDPE was blended with different weight percentages (1, 3 & 5 wt %) of iron multifunctional additive (Fe-MFA) by melt blending process using twin screw extruder. The films were evaluated for their mechanical, thermal, infrared spectroscopic analysis, and morphological characteristics. The results show that polyethylene film modified with 1%, 3% and 5% MFA was biodegraded within 45 days and the 5% MFA modified LDPE was biodegraded 21%. Multi function additive; Photo degradation. I.INTRODUCTION It is estimated that nearly 2% of all plastics ultimately reach the environment, leading to acute pollution problem .The solution of these problems lies in the developing of photo- biodegradable polymer with controlled lifetime. Additives used to promote the photo-degradation of plastics are called photo sensitizer and include metal salts of various types, micro compounds, quinines, benzophenones and dike tones etc. However, their use has been restricted to certain applications due to their high cost and limited properties. The purpose of this research work is to synthesize a new class of biodegradable additives comprising transition metal salts of alkenoic acid. These metal salts are named as multi functional additives (MFA) as they may exhibit required characteristics because of structural features viz. carbonyl group, pendent group, long alkenoic chain, unsaturation in the chain and metal ion containing structure. The previous research (1)-(16) shows that the additives containing carbonyl group are susceptible to UV radiation and unsaturation leads to self lubricating or plasticizing effect and metal salt will not cause thermal degradation during processing and give combined effect of photo activators which will facilitate to break-down the polymer chain in presence of UV radiation. These high performances Multi functional Additives (MFA) enhance the biodegradation characteristics without affecting the processing parameters at a very low level of incorporation and show better dispersion in the polymer. Hence these MFA systems will provide the photo-degradation and subsequent biodegradation of polymeric material and as well as enhanced end use properties for packaging" @default.
- W2188348541 created "2016-06-24" @default.
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- W2188348541 date "2013-01-01" @default.
- W2188348541 modified "2023-09-27" @default.
- W2188348541 title "Development of Iron Based Multifunctional Additive& Performance Evaluation of Biodegradation with Polypropylene (Part-II)" @default.
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- W2188348541 hasPublicationYear "2013" @default.
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