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Sunarso Hs, Sunarso
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Engineering

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Pengaruh waktu pencetakan kompon polipropilene untuk acuan sepatu Hs, Sunarso; Surip, hernadi
Majalah Kulit, Karet, dan Plastik Vol 6, No 10-11 (1991): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1002.014 KB) | DOI: 10.20543/mkkp.v6i10-11.468

Abstract

Polypropylene is the most important polymer in poliolafine. In this study polypropylene is added with kaolin, in the batch, the varied time used for moulding was 13, 15, 17 19, and 21 minutes, while the temperature and pressure was 190 C, 150 kg/cm2.The porpuse of the varied time used is to detect how for the influence of time to words of hardness and impact resistance of polypropylene prepared for shoe last.It can be found from the result that time does not have influence on the impact resistance of polypylene compound used for shoe last, but the longer the time used the hardness will be decreased.The highest test result of hardness and impact resistance was achived by polypropylene compound which was moulded in 13 minutes (75,53 shore D, 2,5831 kg cm/cm).
Penelitian pengaruh waktu penekanan dan tekanan terhadap daya rekat lem sintesis untuk kulit sol, kulit boks, dan pvc Hs, Sunarso; Oetojo, Bambang
Majalah Kulit, Karet, dan Plastik Vol 3, No 7 (1988): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (784.251 KB) | DOI: 10.20543/mkkp.v3i7.289

Abstract

Glue is valuable substance for sealing two things (compact thing). The research uses synthetic, and the adhesive strength reaches for sole leather, PVC to sole leather at the pressure of 30 bars, pressure duration 6 minutes (5,22 kg/10 cm2, and 5,68 kg/ 10 cm2), for PVC to PVC, box leather tp PVC at the pressure of 20 bars and pressure duration 6 minutes (5,98 kg/10 cm2 and 7,12 kg/10 cm2), whereas for box leather to sole leather at the pressure of 30 bars, pressure duration 9 minutes (4,36 Kg/10 cm2).
Penelitian pengaruh stabilizer BaCd kompleks terhadap sifat fisis kompon PVC untuk acuan sepatu Hs, Sunarso
Majalah Kulit, Karet, dan Plastik Vol 2, No 3-4 (1986): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (956.469 KB) | DOI: 10.20543/mkkp.v2i3-4.275

Abstract

Ba Cd a material used as a stabilizer. By adding Ba Cd stabilizer to the plastics compound in this experiment will avoid degradation wich makes the physical properties of the compound lower.The research proved that Ba Cd causes the compound unchanged the properties of impact strength after the compound gets heat treatment.The applicate of 4,5% Ba Cd stabilizer improved the quality of the compound for last making.
Co-Authors Bambang Oetojo, Bambang Hernadi Surip, Hernadi