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All Journal Jurnal Kimia dan Kemasan Omega: Jurnal Fisika dan Pendidikan Fisika Jurnal Penelitian Karet Pharmaceutical Sciences and Research (PSR) Makara Journal of Science
Emil Budianto
Universitas Indonesia
Agriculture, Biological Sciences & Forestry Chemistry Education Physics

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Journal : Makara Journal of Science

 1 
POLIMERISASI EMULSI ETIL AKRILAT: PENGARUH KONSENTRASI SURFAKTAN, INISIATOR DAN TEKNIK POLIMERISASI TERHADAP DISTRIBUSI UKURAN PARTIKEL Helmiyati, Helmiyati; Budianto, Emil; Arinda, Nitri
Makara Journal of Science Vol. 13, No. 1
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Emulsion Polymerization of Etyl Acrylate: The Effect of Surfactant, Initiator Concentration and Polymerization Technique on Particle Size Distribution. Emulsion polymerization was conducted using ethyl acrylate monomer. The effect of sodium lauryl sulfate concentration, ammonium persulfate concentration, the various of polymerization techniques and feeding time to the conversion, particle size and its distribution were observed. The purpose of this research is to obtain the optimum condition of ethyl acrylate homopolymer with particle size around 100 nm, to get the particle size distribution monodisperse and to get solid content value of the experiment closed to its theoretical value. The optimum condition then could be applied in shell polymerization of core-shell polymers. The results of the research showed that semicontinuous technique obtained optimum sodium lauryl sulfate concentration at 20 CMC (critical micelle concentration) and ammonium persulfate concentration is 3%. By using batch technique that the biggest particle size is 123 nm with conversion 95.8% and monodisperse. The shorter of feeding time the more monomer of ethyl acrylate being polymerized, it is showed by the higher conversion up to 94.4% and the bigger particle size is 107.9 nm.
PENGARUH TEKNIK POLIMERISASI EMULSI TERHADAP UKURAN PARTIKEL KOPOLI(STIRENA/BUTIL AKRILAT/METIL METAKRILAT) Budianto, Emil; Nizardo, Noverra Mardhatillah; Utari, Tresye
Makara Journal of Science Vol. 12, No. 1
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Influence of Emulsion Polymerization Techniques to Particle Size of Copoly(styrene/butyl acrylate/methyl methacrylate). In the majority of applications, particle size and particle size distribution are highly significant factors that determine the properties of a polymer dispersion, such as its flow behavior or its stability. For example, a coating material with small particle size will give smooth coating result, good adhesive strength, good water resistance and latex stability. This article describes influence of various emulsion polymerization techniques to particle size of copoly(styrene/butyl acrylate/methyl methacrylate) with mix surfactant SDBS linear chain and nonyl fenol (EO10) and initiator ammonium persulphate. DSC data, solid content and IR spectrum showed that copoly(styrene/butyl acrylate/methyl methacrylate) was produced. Batch emulsion polymerization technique gave the highest particle size i.e. 615 nm and also the highest % conversion of monomer i.e. 97%. The more concentration of monomer was seeded to initial charge gave greater particle size and greater poly dispersity index.
PENGARUH VARIASI INISIATOR DAN TEKNIK POLIMERISASI TERHADAP UKURAN PARTIKEL PADA KOPOLIMERISASI EMULSI STIRENA-BUTIL AKRILAT-METIL METAKRILAT Budianto, Emil; Ariyanti, Ariyanti
Makara Journal of Science Vol. 12, No. 2
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PENGARUH VARIASI INISIATOR DAN TEKNIK POLIMERISASI TERHADAP UKURAN PARTIKEL PADA KOPOLIMERISASI EMULSI STIRENA-BUTIL AKRILAT-METIL METAKRILAT Budianto, Emil; Ariyanti, Ariyanti
Makara Journal of Science Vol. 11, No. 2
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SEMI SINTESIS VANILI DARI GUAIAKOL VIA REAKSI REIMER TIEMANN YANG DIKATALISIS DENGAN KATALIS TRANSFER FASE/PTC 18 CROWN ETHER 6 Suwarso, Wahyudi Priyono; Budianto, Emil; Jayadi, Inneke
Makara Journal of Science Vol. 6, No. 2
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PENGARUH VARIASI INISIATOR DAN TEKNIK POLIMERISASI TERHADAP UKURAN PARTIKEL PADA KOPOLIMERISASI EMULSI STIRENA-BUTIL AKRILAT-METIL METAKRILAT Budianto, Emil; Ariyanti, Ariyanti
Makara Journal of Science Vol. 12, No. 2
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Co-Authors Adi Cifriadi, Adi Aliya Nur Hasanah Arinda, Nitri Ariyanti Ariyanti Ary Achyar Alfa, Ary Achyar Bambang Soegijono Basril A. Basril Abbas Chandra, Johannes Dadi R. Maspanger Deswita Deswita Erizal Erizal Helmiyati, Helmiyati Jayadi, Inneke Koji Yoneda, Koji Muhammad Irfan Faturrohman, Muhammad Irfan Nadhrah Wivanius, Nadhrah Noverra Mardhatillah Nizardo Santi Puspitasari Sitorus, Mido Ester Thamrin W., Thamrin Tresye Utari, Tresye