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All Journal Jurnal Ilmu dan Teknologi Hasil Hutan Jurnal Teknik Industri Jurnal Biologi Udayana JOURNAL OF COASTAL DEVELOPMENT Journal of Marine Research Jurnal Penelitian Hasil Hutan JMM17: Jurnal Ilmu Ekonomi dan Manajemen Islamic Ecomonics Journal Jurnal Riset Industri Hasil Hutan Mesin Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Jamu Indonesia Jurnal Penelitian Hasil Hutan JIM (Jurnal Ilmu Manajemen) Jurnal Penelitian Peternakan Terpadu Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Jurnal Manajemen JOURNAL OF MEDICAL RECORDS AND HELATH INFORMATION OPTIMA Jurnal Penelitian Hasil Hutan
ADI SANTOSO
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Journal : Jurnal Penelitian Hasil Hutan

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PENGARUH JENIS BAMBU, WAKTU KEMPA DAN PERLAKUAN PENDAHULUAN BILAH BAMBU TERHADAP SIFAT PAPAN BAMBU LAMINA I.M. Sulastiningsih; Adi Santoso
Jurnal Penelitian Hasil Hutan Vol. 30 No. 3 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.3.199-207

Abstract

The objectives of this study were to determine the effects of bamboo species, pressing time and pre-treatment of bamboo strips on the properties of laminated bamboo board (LBB). Bamboo strips for LBB fabrication were prepared from mature culms (± 4 years old) of andong bamboo (Gigantochloa pseudoarundinacea) and mayan bamboo (Gigantochloa robusta) collected from private gardens in West Java. The stript from each bamboo species were assigned into 3 groups iry pre-treatment methods, untreated, cold soaking in 7% boron solution for 2 hours, and bleached with 15% bydrogen perocide solution. The LBB was manufactured wring urca formaldeiryde (UF) added with wheat flour equal to 10% of UF. The cold pressing time applied were 4 hours and 5 hours. The results showed that the average density, moisture content and thickness swelling of laminated bamboo boards were 0.76 g) cum', 9.70% and 3.97% respectively. No delamination occurred in all samples using UF Jur, abich indicating high bonding quality. The average bonding strength (dry tests of laminated bamboo board made from andong was bigber (74.8 kg) cnl) than that of mayan bambou (67.9 kylen). Preservation and bleaching treatment of bamboo strips reduced the strength of 1.BB. Several properties of 1.BB were not significantly affected try bamino species esccept the compression strength. In general three-layer thick laminated bamboo board either made from andong or masan bambos hal strength values cumparable to wood strength clars 1. ubereas those stripe bleached witi 15% bydrogen perascide solution bad strength valuer similar to wood strength dair H. Laminated bamboo board is suitable for solid wood sulistitute and performs as alternative material for furniture, interior dezen and building materials.
PENGARUH ARANG AKTIF DALAM CAMPURAN BAHAN BAKU TERHADAP KARAKTERISTIK PAPAN PARTIKEL Adi Santoso; Gustan Pari
Jurnal Penelitian Hasil Hutan Vol. 30 No. 3 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.3.236-243

Abstract

Formaldebyde emission andpbysical-mechanical properties of particleboard bonded with urea formaldehyde (UF) could have negative effects to buman bealth, especially when used in a room with limited ventilation. To reduce formaldebyde emission, anadsorbentcan be applied to raw material as a mixture. This report describes the effect of active charcoal application on formaldehyde emission and physical-mechanical properties of the bonded particleboard. Results showed that application of active charcoal in particleboard production significant changed the product properties. Active charcoal addition as much as 20% of the particle weight to raw material could reduce formaldebryde emission andincreaseplrysical-mechanical propertiesof particleboard, and meet the Indonesian and Japanese Standards.
SINTESIS PEREKAT TANIN RESORSINOL FORMALDEHIDA DARI EKSTRAK KULIT POHON MANGIUM UNTUK PENINGKATAN KUALITAS BATANG SAWIT Okti Rachmawati; Purwantiningsih Sugita; Adi Santoso
Jurnal Penelitian Hasil Hutan Vol. 36 No. 1 (2018): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2018.36.1.33-46

Abstract

Oil palm trunk is lower in dimensional stability, density, physical, and mechanical properties than other wood species. Efforts to overcome the weakness of the oil palm trunk properties could be conducted through densification with hot pressing and chemical adhesive addition. This paper studies optimum composition of Tannin Resorcinol Formaldehyde (TRF) in its application for improving the quality of oil palm trunk. The tannins were water extracted at 75°C and further copolymerized with resorcinol and formaldehyde. TRF was studied through functional group analysis using infrared spectroscopy and cristallinity test using X-ray diffraction. The TRF adhesive was applied through compregnation process. Results showed that reactivity of tannins in bark of Acacia mangium was 65.82%, the optimum adhesive composition of TRF (v/v) was = 1:0.05:0.05 with solid content of 8.33%, 0.09% free formaldehyde, and the degree of crystallinity was 10.92%. Tannin extract has a specific character on the wave number corresponding to the characteristics possessed by the imported tannin acacia standard. The presence of new functional groups and an increase in absorbance intensity of uptake at several wave numbers through infrared spectroscopy analysis on TRF as well as compregnated oil palm trunk indicate the occurrence bonds attributted by ether and methylene bridges to TRF and chemical compound on oil palm trunk. Oil palm trunk after compregnation significantly increased its density by 104.61%, hardness became 6 fold, and decreased the thickness swell to 85.98%. The oil palm trunk after compregnation also increased in quality from a wood strength class V to a wood strength class III, then, its potential for manufacturing exterior products.
PENYEMPURNAAN SIFAT PAPAN SERAT BERKERAPATAN TINGGI DARI CAMPURAN RUMPUT GELAGAH, TANDAN KOSONG KELAPA SAWIT, DAN BAMBU Dian Anggraini Indrawan; Han Roliadi; Rossi Margareth Tampubolon; Gustan Pari; Adi Santoso; Mohamad Iqbal
Jurnal Penelitian Hasil Hutan Vol. 33 No. 3 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.3.193-214

Abstract

Laboratory-scale manufactured hardboard made of Saccharum Sponaneoun Grasses (SSG), Empty Oil-palm Bunches (EOPB), and andong bamboo is potentially developed. However, initial experiment shows the hardboard did not meet Japanese Industrial Standard (JIS) and International Standard Organization (ISO) for hardboard. This paper observes modification of the hardboard to satisfy the standards. Modification includes adding alkali concentration during pulp cooking and changing the additives composition. Result shows modification can enhance the hardboard quality to satisfy JIS and ISO requirements. Fiber mixture of SSG pulp and andong/betung bamboo pulp was cooked in 10.5% alkali concentration; and 12% alkali concentration for EOPB pulp. Additives composition used were tannin-resorcinol formaldehyde/TRF adhesive, alum, and activated charcoal; without wax emulsion. The mixture of SSG pulp (50%) + EOPB pulp (50%) was the most prospective for hardboard, followed by SSG pulp (100%) solely; SSG pulp (50%) + andong bamboo pulp (50%); and SSG pulp (50%) + betung bamboo pulp (50%) as the lowest prospects. The least prospective fibrous material (betung bamboo) are expectedly be improved by using more TRF adhesive, nano-size activated charcoal and cross-linking agents.
KARAKTERISASI STRUKTUR NANO KARBON DARI LIGNOSELLULOSA Gustan Pari; Adi Santoso; Djeni Hendra; Buchari; Akhirudin Maddu; Mamat Rachmat; Muji Harsini; Teddi Heryanto; Saptadi Darmawan
Jurnal Penelitian Hasil Hutan Vol. 31 No. 1 (2013): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2013.31.1.75-91

Abstract

The science advancement in this century is such that in the future it will enter the nano technology. More specifically in the forest products field, the nano technology that can be developed is among others nano carbon derived from lignocelulosic stuffs. In relevant, this research aims to provide information and technology on the charcoal processing from lignocellulosic stuffs into nano carbon. The lignocellulosic stuffs used in this research consisted of teak wood and bamboo, further carbonized into charcoal at 400-500°C using drum kiln. The resulting charcoal was examined of its physical and chemical properties, crystalinity degree and dielectric characteristics, and then purified by re-carbonizing it at 800°C for 60 minutes. Prior to the purification, the charcoal sustained the doping (intercalation) process with Zn, Ni and Cu metals each respectively. After the purification, the charcoal was ground to very tiny particels using HEM (high energy machine) device for 48 bours. In this way, the charcoal with high crystalinity was yielded, and further sintered using spark plasma at 1,300 C into the nano carbon. The qualities and structure of all the resulting carbon (carbonized charcoal, re-carbonized charcoal, intercalated charcoal and sintered nano carbon) were evaluated using nano scale device (Py-GCMS, SEM-EDX and XRD), and examined as well of their dielectric characteristics. In turns out that the best quality charcoal was obtained from teak wood charcoal carbonized at 800°C, intercalated with Ni atoms at the ratio 1:5. The resulting charcoal afforded high crystalinity (78.98%), low electric resistance (0.17 2), and high conductivity 175.52 2'm Qualities of the corresponding nano carbon (after sintering) were such that its crystalinity spectaculary reached 81.87%, resistance (R) 0.01 & with very bigh conductivity 1067.262'm'. The nano carbon that resulted seems favorably prospective for bio-censor, bio-battery, and bio-electrode. Accordingly futher related research deserves carrying out.
KUALITAS PAPAN LAMINA DENGAN PEREKAT RESORSINOL DARI EKSTRAK LIMBAH KAYU MERBAU Adi Santoso; Gustan Pari; Jasni
Jurnal Penelitian Hasil Hutan Vol. 33 No. 3 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.3.253-260

Abstract

Polyphenol chemical components extracted from merbau (Intsia spp.) wood exhibit a strong affinity for resorcinol and formaldehyde in alkaline conditions, forming a copolymer that could serve as an adhesive. This paper studies the use of resorcinol adhesives from merbau wood extracts containing poly phenolics which copolymerize with formaldehyde bonding wood laminates. Results show that copolymer of merbau extracts with formaldehyde could produce resin with molecular weight 49,658. The resin can be used as adhesive for laminated board manufacturing of a 3 ply-1 strip flooring parquet constructed with 7 wood species, i.e: sungkai, karet, kempas, merbau, mangium, mahoni and sengon. Bonding quality and physical-mechanical properties of the products laminated meet the same product that glued using imported adhesive and included exterior quality with E₀ or F**** types of low emission formaldehyde.
SIFAT FISIS DAN MEKANIS PAPAN UNTAI BERARAH DARI BAMBU TALI ( (J.A. & J.H. Schultes) Kurz) Gigantochloa apus I.M. Sulastiningsih; Dian Anggraini Indrawan; Jamal Balfas; Adi Santoso; Mohammad Isa Iskandar
Jurnal Penelitian Hasil Hutan Vol. 35 No. 3 (2017): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2017.35.3.197-209

Abstract

Bamboo is potential as an alternative material to substitute wood. This paper examines the effects of using different resin contents and strand dimensions on the properties of its oriented strand board (bamboo OSB). Tali bamboo (Gigantochloa apus (J.A. & J.H. Schultes) Kurz) was used as raw material in manufacturing the bamboo OSB. Laboratory scale oriented bamboo strand boards were fabricated using each bamboo strand length (7.5, 10, and 15 cm) and glued with liquid phenol formaldehyde adhesive at various resin contents (6, 7 and 8%) of the bamboo strands dry 3 weight. Results show that the average density of fabricated bamboo OSB was 0.75 g/cm . Physical and mechanical properties of bamboo OSB were significantly affected by resin content, except the modulus of elasticity (MOE). Higher resin content gave better physical and mechanical properties of the boards. MOE of bamboo OSB was also significantly affected by the strand length. The longer strand dimension produces boards with higher MOE values. All oriented bamboo strand boards studied meet the Indonesian and Japanese Standard requirements of type 24 particleboard and also meet the British Standard requirements of both Type OSB/2 and Type OSB/3.
SIFAT PAPAN PARTIKEL DAUR ULANG RENDAH EMISI FORMALDEHIDA Adi Santoso; Gustan Pari
Jurnal Penelitian Hasil Hutan Vol. 33 No. 1 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.1.1-10

Abstract

Formaldehyde emission and physical-mechanical properties of particleboard bonded with urea formaldehyde (UF) could have negative effects on human health, specially when used in a room with limited ventilation. To reduce formaldehyde emission, an adsorbent can be added into adhesive mixture. This report describes the effect of imposing active charcoal into urea formaldehyde adhesive in terms of formaldehyde emission, physical-mechanical changes and economic aspect of the recycled particleboard. Results showed that the addition of active charcoal in particleboard production significantly changed the product properties. The charcoal addition as much as 3% to the UF adhesive could reduce formaldehyde emission and improve physical-mechanical properties of particleboard, and meet the Indonesian and Japanese Standards. The addition of active charcoal into particleboard is financially feasible.
KUALITAS HARDBOARD DUA JENIS BAMBU DENGAN TAMBAHAN TANIN RESORSINOL FORMALDEHIDA Dian Anggraini Indrawan; I.M. Sulastiningsih; Rossi Margareth Tampubolon; Gustan Pari; Adi Santoso
Jurnal Penelitian Hasil Hutan Vol. 35 No. 1 (2017): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2017.35.1.29-42

Abstract

All kinds of ligno-cellulose fiber stuffs are technically suitable for hardboard manufacture. In Indonesia, currently the available conventional ligno-cellulose fibers (esp. tropical natural-forest woods) become scarce and depleted. Meanwhile, domestic fiberboard-production is lower than its demands. Alternative fibers, abundantly potential and largely still unutilized, should be introduced, e.g. bamboo. Research on bamboo utilization for hardboard has been carried out using two bamboo species i.e. tali bamboo (Gigantochloa apus) and ampel bamboo (Bambusa vulgaris). Each bamboo species was pulped using open hot-soda semi-chemical process. Five proportions of bamboo pulp mixtures were prepared from tali-bamboo pulp and ampel-bamboo pulps i.e: 100%+0%, 75%+25%, 50%+50%, 25%+75%, and 0%+100%. Tannin-resorcinol-formaldehyde (TRF) adhesive was added to each bamboo pulp mixtures at three different resin contents, i.e. 0%, 6% and 8% based on dry weight of the bamboo pulp mixture. Bamboo hardboards were manufactured using wet forming process and the resulted boards were then tested for their physical and mechanical properties. Results showed that addition of TRF (up to 8%) improved hardboard properties. Hardboard made from the ampel-bamboo pulp (100%) produced the highest hardboard quality, as its properties mostly conform with the standards (JIS and ISO) requirements for density, modulus of elasticity (MOE), modulus of rupture (MOR) and internal bond (IB); while hardboards made from tali-bamboo pulp (100%) possessed the lowest quality. Hardboard from tali-bamboo pulp and ampel-bamboo pulp mixture (at 50%+50% and 25% + 75% proportions) afforded the second and third performances. The least prospective tali-bamboo pulp (100%) could expectedly be improved by using more TRF.
KARAKTERISTIK EK TRAK KULIT KAYU MAHONI SEBAGAI BAHAN PEREKAT KAYU Adi Santoso; Abdurachman
Jurnal Penelitian Hasil Hutan Vol. 34 No. 4 (2016): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.4.269-284

Abstract

Currenty, raw and supporting materials for adhesives industry such as NaOH, NH OH and methanol are available 4 in the domestic market, while raw material such as phenol and resorcinol derived from petroleum are reduced significantly, then, the use of raw material from other natural resources, like tannins derived from the tree bark is potentially developed. This paper explores and characterizes adhesive raw materials from mahogany bark (Swietenia mahagoni Jacq.) as phenolic source and tapioca as a source of carbohydrates. This paper also studies the copolymerization reaction between mahogany tannin extract with formaldehyde, as well as their mixtures with tapioca for adhesive application and its gluing quality. Pieces of mahogany barks were cut into chips measuring of approximately 2 x 1 x 0.1 cm, then soaked in o an extractor containing of hot water (70-80 C) with a ratio of bark chips : water = 1: 3. Extraction was undergone for three hours with continuous stirring before the mixture was cooled and filtered. The chip bark residue was repeatedly extracted using the same procedure for the second cycle. The obtained filtrates were then mixed with the first one and divided into two parts: crystallized in a water bath and the other part was used for adhesive manufacture. The results showeed that tannin extracted from the bark of mahogany was a dark reddish brown in colour similar with that of phenolic compounds with viscosity of 1.04 poise, specific gravity of 1.02 and the degree of acidity (pH) of 4.0. Extraction of mahogany bark yielded 8.10 % extract, with an average solid content of 2.01%, phenolic compounds level of 6,9%, and distribution of molecular weights ranging from 44-658. The optimum adhesive formulation of the extract mahogany bark was the mixture using of 0.25 mol of technical resorcinol with 15% tapioca, 1 mol technical formalin and 4% catalyst (NaOH 40%) of the total adhesive weight.
Co-Authors Abdurachman Achmad Supriadi Adina Feti Nuraini Akhirudin Maddu Alfi Saadah Ali Djunaedi Ananda Dhea Retno Astrini Andang Andiani Listyowati Andi SRD Lestari Arief Indrabayu Aulia Dewi Puspita Bambang Yulianto Barly Barly Buchari Bunga Ayu Safitri Dede Hermawan Deppy Akilul Kholik Jannah Dian Anggraini Indrawan Djeni Hendra Efrida Basri Fahmi Pradipta Tama Fahriansyah Fahriansyah Farah Adiba Gunarianto Gunarianto Gustan Pari Han Roliadi Hariyadi Hariyadi Heru Wibisono I Wayan Darmawan I.M. Sulastiningsih Ignasia Maria Sulastiningsih Irwan Dedy Irwani Irwani Jamal Balfas Jamal Balfas Jamaludin MALIK Jasni Jasni Jasni Karnita Yuniarti Krisdianto Lany Nurhayati Mamat Rachmat Mohamad I Iskandar Mohamad Iqbal Mohammad Isa Iskandar Muh Yusuf Muh. Yusram Massijaya Muhammad Y Massijaya Muji Harsini Nasharuddin Mas nurmala, Tiara Ayu Nurmala Nurul Ria Arlita Ocky Karna Radjasa Okti Rachmawati Popi Hadi Wisnu Wardhani Prabewi, Nur Purwantiningsih Sugita Puspita Sari Rohmah Pari Rossi Margareth Tampubolon Rudhi Pribadi Saiful Anwar Saptadi Darmawan Sarjito . Siti Chamidah Soraya aya Sri Hartono Sri Redjeki SUHASMAN . Surdiding Ruhendi Syaiful Imam Teddi Her anto Teddi Heriyanto Teddi Heryanto Wayan Darnawan Yayuk Astuti Yusuf Sudo Hadi Zainal Abidin