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All Journal The Journal of Pure and Applied Chemistry Research Acta Chimica Asiana
Febriani, Rakhma
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Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology Medicine & Pharmacology

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Determination of Erucamide Slip Additive in Polypropylene Masterbatch: Comparison of Soxhlet and Dissolution-Precipitation Method Purwaningtyas, Eka Listari; Wahyuni, Debby; Yanuar Ramadhan, Muhammad; Veni Susanti, Silfi; Naufal Ariesta, Muhammad; Aulia Agustina, Laily; Febriani, Rakhma
The Journal of Pure and Applied Chemistry Research Vol. 13 No. 1 (2024): Edition January-April 2024
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2024.013.01.3342

Abstract

Erucamide is a long-chain carboxylic acid amide used as a slip agent in plastic films. In this research, the slip additive in polypropylene masterbatch with 6% erucamide content was extracted by comparing two methods which are dissolution-precipitation and the Soxhlet method. The variant of sonication times in the dissolution-precipitation method and extractor-solvents in the Soxhlet method were done to determine the optimum parameter in each method. The examination of slip additive content in each extraction method used the KBr Disk-FTIR and the weight loss of sample analysis. The form of the sample, which was in the granule and powder form was also studied. Based on the result, the dissolution-precipitation method with 3 minutes of sonication times and the use of ethyl acetate as extractor solvent in the Soxhlet method gave a closer result for additive content in the masterbatch. The powder form of the sample also gave better results than the granule form for the extraction of erucamide. The Soxhlet method in the powder form showed comparable results with the dissolution-precipitation method by KBr Disk-FTIR analysis and higher results by weight loss analysis. By comparing the two methods of extraction, the Soxhlet method showed more robustness and efficiency for extraction of erucamide additive in polypropylene masterbatch than the dissolution-precipitation method.
Study of inorganic based anti-blocks as migration control of slip additive on surface polyethylene monolayer film Agustina, Laily Aulia; Lestari, Yeni Dwi; Adhinanda, Arrival Arsyad; Ariesta, Muhammad Naufal; Choi, Jonghyun; Prananto, Yuniar Ponco; Febriani, Rakhma
Acta Chimica Asiana Vol. 7 No. 1 (2024)
Publisher : The Indonesian Chemical Society, Chapter Nusa Tenggara and The University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/aca.v7i1.196

Abstract

Slip migration must be controlled to maintain the performance and quality of flexible packaging. Inorganic based anti-block materials can be used to control the slip migration. This paper reported the effect of anti-block type on the inhibition of slip migration on polyethylene monolayer film. A series of formulations were made with three different anti-block additives, namely talc, natural silica, and synthetic silica, along with erucamide. The optical properties (haze) and friction properties (COF) were measured to assess the film characteristics as the development of slip migration in the presence of anti-block additives. Characterization of the anti-block material was conducted by SEM-EDX, slip additive type was examined by GC-MS, while the slip content on the surface was analysed by FTIR. The result showed that after seven days, synthetic silica anti-block gives COF up to 0.095, with the trace erucamide content on the film surface of 394 ppm, the lowest amongst other types of the anti-block used. The smaller particle size and higher silica content on synthetic silica anti-block resulted in better friction properties which act as a good barrier to limit a migration of erucamide onto the film surface.
Co-Authors Adhinanda, Arrival Arsyad Agustina, Laily Aulia Ariesta, Muhammad Naufal Aulia Agustina, Laily Choi, Jonghyun Naufal Ariesta, Muhammad Purwaningtyas, Eka Listari Veni Susanti, Silfi Wahyuni, Debby Yanuar Ramadhan, Muhammad Yeni Dwi Lestari Yuniar Ponco Prananto