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All Journal Majalah Kulit, Karet, dan Plastik Jurnal Riset Ilmu Kesehatan Umum dan Farmasi
Sri Budiasih
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Engineering Health Professions Public Health

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Penelitian untuk mengetahui kualitas sol karet transparan sepatu kanvas untuk olah raga Any Setyaningsih; Sri Budiasih; Suparti Suparti; Sunardi Sunardi; C Yuwono Sumasto
Majalah Kulit, Karet, dan Plastik Vol 12, No 22 (1996): 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 (925.869 KB) | DOI: 10.20543/mkkp.v12i22.345

Abstract

Research to know quality rubber sole translucent kanvas shoes sport to keep in conditioning room during 2 (two) month, agree with survey result than attitude test: tensile strength, elongation, permanent set 50% and hardness agree strength properties reference more homogeny, permanent set 50% and hardness to experience reduction properties because elasticity to decrease until can bring about forceful measure of surface. Sole which influence activity more advanced, whereas elongation not change properties during to keep, then time to keep good are ½ - 11/2 month.   INTISARI  Penelitian untuk mengetahui kualitas sol karet transparan sepatu kanvas untuk olah raga disimpan dalam ruang kondisi selama 2 (dua) bulan, sesuai dengan hasil survey, kemudian dilakukan pengujian : tegangan putus, perpanjangan putus, perpanjangan tetap 50% dan kekerasannya sesuai dengan persyaratan SNI 0171 – 87A. Sepatu Kanvas Dengan Sol Karet Untuk Olah Raga. Pengujian dilakukan setiap 15 hari (1/2 bulan) sekali menghasilkan sebagai berikut : untuk sifat tegangan putus menunjukkan semakin homogen, perpanjangan tetap 50% dan kekerasan mengalami penurunan sifat dikarenakan elastisitasnya berkurang sehingga dapat menimbulkan pengerasan pada permukaan sol yang akan mempengaruhi pengerjaan lebih lanjut. Sedangkan perpanjangan putus tidak ada perubahan sifat selama dalam penyimpanan. Maka waktu penyimpanan yang terbaik adalah 1/2 – 1 1/2 bulan. 
Poliester tak jenuh sebagai bahan baku pembuatan helm pengaman Sri Nadilah; Isananto Winursito; Sri Wahyuni; Sri Budiasih; Christiana Maria Herry Purwanti
Majalah Kulit, Karet, dan Plastik Vol 19, No 1 (2003): Majalah 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 (1838.015 KB) | DOI: 10.20543/mkkp.v19i1.248

Abstract

Unsaturated polyester is applied in many products such as aircraft sections, boats, building, panels, automotive accessories and modifications, etc. In this  research, unsaturated polyester was used as a raw material, which was reinforced with a fiberglass mat, and casted in a silicon rubber mold. The concentrations of methyl ethyl ketone peroxide (1-3 phr) as an initiator and cobalt naphtanate (0-2 phr) as an accelerator were used in the preparation of safety helmet. Subsequently, the effects of the compounds to the reaction time, the brittleness of the products, an the physical properties, were studied. The results showed  that the compound composed by 100 phr unsaturated polyester, 2 phr methyl ethyl ketone peroxide, 2 phr cobalt naphtanate, 40 phr silica, 20 phr fiberglass mat and 1 phr pigment was not brittle, had a good reaction time and nonflammable, gave 4.82 mm in resistance to penetration, and the deflection of A and B were 4.5 and 0.0 mm, respectively.  Keywords : unsaturated polyester, safety helmet, methyl ethyl ketone peroxide, cobalt-naphtenate.
Penelitian penggunaan minarex pertamina sebagai minyak pelunak kompon karet untuk sol sepatu kanvas Sofyan Karani; Prayitno Prayitno; Sri Bandi; Sri Budiasih
Majalah Kulit, Karet, dan Plastik Vol 10, No 19 (1995): 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 (1655.193 KB) | DOI: 10.20543/mkkp.v10i19.436

Abstract

The objective of the research is to use minarex, by product of Pertamina, as a softener in making rubber sole compound for canvas shoes. The formula of the compound applied four kinds of minarex, manely minarex A, B, C and D with variation 2 – 8 phr. The mastication and mixing processes used two roll mill machine and the compound was vulcanized at 150 oC, at the pressure 150 kg/cm2and 10 mnutes curing time. The comformityt of softener, minaret, is excellent and no oil exist to the surface of the vulcanized compound. The property of the vulcanized compound fulfilled all the quality requirements of SNI 0778-89- A and SNI 1844-90-A for canvas shoe rubber sole, except abrasion for sport shoe (max. 1.00 mm3/ kgm compared with the result of the test, 1.52 – 2.35 mm3/kgm). Data analysed proves the to kinds of minarex to influence all properties in rubber compounds. While treatment of minarex to inflience the properties of elongation at break, permanent set and hardness. The type of minarex to influince properties of the tear strength, abrasion and density to rubber compound.    INTISARI Penelitian ini bertujuan untuk menggunakan minarex Pertamina sebagai bahan pelunak dalam pembuatan kompon karet untuk sol sepatu kanvas. Formula kompon menggunakan empat jenis minarex yaitu minarex A, B, C dan D dengan variasi antara 2 – 8 phr. Pencampuran menggunakan giling karet terbuka dan kompon divulkanisasi pada suhu 1500C, tekanan 150 kg/cm2 dan waktu 10 menit. Tingkat kecocokan bahan pelunak minarex sangat baik, tidak terjadi pengeluaran minyak ke permukaan kompon dan vulkanisat kompon. Sifat vulkanisat memenuhi semua persyaratan mutu dalam SNI 0778-89-A dan SNI 1844-99-A untuk sol karet sepatu kanvas, kecuali syarat mutu ketahanan kikis sol sepatu untuk olah raga maks. 1,00 mm3 / kgm dibandingkan dengan hasil uji kikis vulkanisat yaitu antara 1,52 – 2,35 mm3 /kgm. Hasil analisa data uji menunjukkan jenis minrex mempengaruhi semua sifat fisis kompon yang di ujikan. Sedangkan sifat perlakuan minarex mempengaruhi perpanjangan putus, perpanjangan tetap dan kekerasan. Type minarex mempengaruhi ketahanan jenis dan ketahanan sobek  kompon karet.   
Optimasi Dan Formulasi Sediaan Gel Ekstrak Etanol Hydrocotyle Verticillata Thub Dengan Variasi Konsentrasi HPMC Dengan Penambahan Asam Usnat Habibie Deswilyaz Ghiffari; Alqushay Alqushay; Sri Budiasih; Tommy Julianto
Jurnal Riset Ilmu Kesehatan Umum dan Farmasi (JRIKUF) Vol. 2 No. 1 (2024): Januari : Jurnal Riset Ilmu Kesehatan Umum dan Farmasi (JRIKUF)
Publisher : LPPM STIKES KESETIAKAWANAN SOSIAL INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57213/jrikuf.v2i1.155

Abstract

Hydrocotyle verticillata Thub is a plant that can be used to treat burns. Usnic acid can inhibit pathogenic microorganisms and can act as an anti-inflammatory, both of which can contribute to the wound healing process. The aim of this research is to determine the extract of gotu kola leaves which is formulated into a gel preparation. Gel is a semi-solid system produced by small particles or large organic molecules that penetrate through a liquid. The gel is easy to use, easily absorbed into the skin, and contains soothing and moisturizing properties that have a healing effect. Gel formulations were made with varying concentrations of HPMC F1 (8%), F2 (8%), F3 (8%), F4 (9%), F5 (10%). The gel produced organoleptically has a distinctive gel aroma, green to brownish in color. In the homogeneity test, all preparations were homogeneous and there were no granules, the pH test showed a pH value ranging from 5.17-6.36, the spreadability test was 5.1-6.4 cm. In the viscosity test, the results were 9,250-40,000 cps, the adhesion test obtained results in 13-64 seconds and the cycling test was stable during storage. Based on the research that has been carried out, it can be concluded that the ethanol extract of gotu kola leaves (Hydrocotyle verticillata Thub)can be formulated into a gel preparation and the results of the physical evaluation of the ethanol extract gel preparation of gotu kola leaves(Hydrocotyle verticillata Thub) with varying concentrations of HPMC and the addition of usnic acid are satisfactory. condition.
Formulasi dan Evaluasi Sediaan Masker Gel Peel-Off Ekstrak Etanol Daun Jambu Bol (Syzygium malaccence (L.) Merr. & Perry) untuk Perawatan Kulit Wajah Sri Hainil; Sri Budiasih; Habibie Deswilyaz Ghiffari; Senny Mey Pratiwi; Desy Maniarti Gusmali
Jurnal Riset Ilmu Kesehatan Umum dan Farmasi (JRIKUF) Vol. 3 No. 1 (2025): Jurnal Riset Ilmu Kesehatan Umum dan Farmasi (JRIKUF)
Publisher : LPPM STIKES KESETIAKAWANAN SOSIAL INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57213/jrikuf.v3i1.493

Abstract

The guava plant, also known as Syzygium malaccense (L.) Merr. & Perry, is a member of the Myrtaceae family and is rich in antioxidants. The therapeutic properties of this plant have been known for centuries. When compared to other sections of the guava plant, the leaves have the largest concentration of flavonoids. The purpose of this research is to develop and assess the physical characteristics of five different formulations of a peel-off gel mask containing guava leaf extract (Syzygium malaccense (L.)) at concentrations of 0% (F0), 2% (F1), 4% (F2), 8% (F3), and 12% (F5). The recipe was found to be consistent in appearance, smell, and taste throughout the organoleptic testing. The results of tests on pH, spreadability, and viscosity were statistically different (p0.05). Results from 4°C viscosity tests showed a range of 3933-7167 Cps. pH values ranged from 5.08 to 6.48 and spreadability from 5.23 to 6.50 cm when tested at 4, 25, and 40 degrees Celsius, respectively. The drying time test at 25°C and 40°C revealed no significant variations (p>0.05), and the viscosity test yielded values between 4100 and 4933 Cps at both temperatures. Ten test subjects were not irritated by any of the tested formulations. Finally, F4 (0.8%) showed the finest physical quality when incorporated into a guava leaf extract peel-off gel mask.
Co-Authors Alqushay Alqushay Any Setyaningsih C Yuwono Sumasto Christiana Maria Herry Purwanti Desy Maniarti Gusmali Habibie Deswilyaz Ghiffari Isananto Winursito Prayitno Prayitno Senny Mey Pratiwi Sofyan karani Sri Bandi Sri Hainil Sri Nadilah Sri Wahyuni sunardi sunardi Suparti Suparti Tommy Julianto