The Experts below are selected from a list of 132 Experts worldwide ranked by ideXlab platform
Peter Niemz - One of the best experts on this subject based on the ideXlab platform.
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Static and dynamic tensile shear test of Glued lap wooden joint with four different types of adhesives
Holzforschung, 2017Co-Authors: Erik Valentine Bachtiar, Gaspard Clerc, Andreas J. Brunner, Michael Kaliske, Peter NiemzAbstract:Abstract Investigations of quasi-static and fatigue failure in Glued wooden joints subjected to tensile shear loading are presented. Lap joints of beech wood (Fagus sylvatica L.) connected with four different types of adhesives, i.e. polyurethane (PUR), melamine urea formaldehyde (MUF), bone Glue and Fish Glue, were experimentally tested until the specimens failed. The average shear strengths obtained from the quasi-static test ranged from 12.2 to 13.4 MPa. These results do not indicate any influence of the different adhesive types. The influence of the adhesives is only visible from the results of the fatigue tests, which were carried out under different stress excitation levels between 45% and 75% of the shear strength. Specimens bound with ductile adhesive (PUR) showed a slightly higher number of cycles to failure (Nf) at low-stress levels and lower Nf at high-stress levels in comparison to more brittle adhesives (MUF, Fish Glue). In general, the performances of animal Glues and MUF were similar in both quasi-static and fatigue loading under dry conditions.
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Water vapour diffusion through historically relevant glutin-based wood adhesives with sorption measurements and neutron radiography
Wood Science and Technology, 2014Co-Authors: D. Mannes, S. Sanabria, M. Funk, R. Wimmer, K. Kranitz, Peter NiemzAbstract:In this work, the sorption and moisture diffusion behaviour of historically relevant glutin-based adhesives (i.e. bone Glue, hide Glue, Fish Glue) is characterized. The adhesive’s sorption isotherms were assessed on thin film samples revealing fundamental differences between the glutin-based adhesives and the synthetic reference adhesive (polyurethane). Furthermore, the water vapour diffusion parallel to the fibre was examined by means of neutron imaging on bonded two-layer samples of Norway spruce wood. In contrast to previous studies using neutron imaging, a new evaluation approach is presented, which allows for nonzero initial moisture conditions and takes into account and compensates for the geometry changes in the sample caused by swelling and shrinkage, thus allowing for a characterization of the diffusion behaviour within the Glue line. The diffusion coefficients determined with neutron imaging were interpreted in terms of a theoretical model which takes into account the Glue line microstructure. Although the diffusion coefficients were on average larger values for the glutin-based adhesives compared to the reference polyurethane adhesive, the significant variation observed in the sorption measurement is not reflected. This can partially be ascribed to excessive penetration of the adhesives into the wood substrate in fibre direction, which impedes a continuous adhesive layer. Furthermore, deformation and densification of the wood structure was assessed in the vicinity of the adhesive joint. This effect can be ascribed to the surface roughness, which results in very high local stresses leading to buckling and deformation of the tracheids. This situation is similar to that found for adhesive joints in or close to the fibre direction such as finger or butt joints.
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Water sorption mechanisms of commercial wood adhesive films
Wood Science and Technology, 2013Co-Authors: Rupert Wimmer, Oliver Kläusler, Peter NiemzAbstract:As water moves inside the wood, the Gluelines might act as barriers that are potentially leading to local moistening. Even low amounts of water may influence the mechanical performance of Glued wood products. Dynamic vapor sorption analysis was performed to assess the sorption processes of six commercial wood adhesives. Vapor sorption isotherms were compared with vapor uptake dynamics. Phenol–resorcinol–formaldehyde showed high moisture uptake of 18 %, while vapor diffusion speed was low. Fish Glue showed a water uptake of 45 % at otherwise moderate vapor uptake speed. Melamine–formaldehyde resin gained 22 % water, and polyvinyl acetate absorbed 10 %. The latter was also the fastest vapor absorbing adhesive. Polyurethane only absorbed 3.5 %of moisture at medium uptake speed. Mechanisms of water diffusion seem to be driven by (1) the available free volume in the polymer and (2) the interacting ionic groups of the polymer chain. While the free volume could be linked to the accumulated moisture, the ionic group interaction might determine the measured vapor diffusion dynamics.
H E Zhongbao - One of the best experts on this subject based on the ideXlab platform.
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study on the clarifying effect of Fish Glue in dry red wine
Journal of Anhui Agricultural Sciences, 2012Co-Authors: H E ZhongbaoAbstract:[Objective] To understand the clarifying effect of domestic produced Fish Glue(DOEST)in dry red wine.[Method] The Cabernet sauvignon,Cabernet gernischt and Merlot red wine produced in Yantai were sampled,the most appropriate concentration of Fish Glue was determined based on the transmittance,clarifying degree and thermostability;and the clarifying effect of Fish Glue was compared with that of glutin,eggwhite and bentonite.[Result] Satisfactory clarifying effect could be obtained at the concentration of 40-60 mg/L Fish Glue,and the clarifying effect was close to that of eggwhite and better than that of glutin and bentonite.[Conclusion] The study provides references for the application of DOEST in the clarifying of dry red wine.
Ulfah Amalia - One of the best experts on this subject based on the ideXlab platform.
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perbandingan kualitas lem berbahan baku tulang ikan dari tiga jenis ikan laut yang berbeda the comparison of the quality of Glue which is made by Fish bones from three different species of marine Fish
SAINTEK PERIKANAN : Indonesian Journal of Fisheries Science and Technology, 2015Co-Authors: Indratno Tri Nugroho, Y S Darmanto, Ulfah AmaliaAbstract:ABSTRAK Lem ikan merupakan salah satu bentuk pemanfaatan limbah tulang ikan yang dipengaruhi oleh kandungan kolagen dari tiap jenis tulang ikan. Tujuan penelitian ini adalah mengetahui kualitas lem dari jenis tulang ikan laut yang berbeda. Metode yang dilakukan adalah ekstraksi tulang menggunakan asam asetat 5 % pada suhu 65-70 °C selama 4 jam, kemudian dipekatkan menggunakan rotary evaporator vacuum pada suhu 65 °C selama 35 menit. Hasil penelitian menunjukkan bahwa lem berbahan baku tulang ikan Swangi ( Priacanthus macranthus ) memiliki nilai keteguhan rekat yang tertinggi sebesar 43,50 kg/cm 2 dibandingkan dengan lem berbahan baku tulang ikan Kuniran ( Upeneus sulphureus ) sebesar 17,46 kg/cm 2 dan ikan Kurisi ( Nemipterus nematophorus ) sebesar 35,28 kg/cm 2 . Nilai rata-rata keteguhan rekat lem ikan hasil penelitian ini sebesar 25 kg/cm 2 , yang artinya memenuhi persyaratan daya rekat yang ditentukan oleh Standar Nasional Indonesia sebesar 10 kg/cm 2 . Kata kunci : lem ikan, tulang ikan, keteguhan rekat ABSTRACT Fish Glue is one of bone Fish waste utilities which influenced by collagen component from each species of Fish bone. The aim of this study was to determine the quality of Glue which is made from different species of marine Fish bone . The m ethod s was done by the extraction of bone using 5 % acetic acid at temperature 65-70 0 C for 4 hours. Then, it was condensed by using rotary evaporator vacuum at temperature 65 0 C for 35 minutes . The result s showed that the Glue made from bone of Purple-spotted big eye Fish ( Priacanthus macranthus ) had the highest bonding strenght values about 43,50 kg/cm 2 compared with Glue made from Sulphur goatFish ( Upeneus sulphureus ) about 17,46 kg/cm 2 and Threadfin bread ( Nemipterus nematophorus ) about 35,28 kg/cm 2 . The average of bonding strenght of f ish Glue result ed from this study was about 25 kg/cm 2 , which means fulfill the bonding strenght requirements determined by Indonesian Natio na l Standard of 10 kg/cm 2 . Keywords : Fish Glue, Fish bone, species, bonding strenght
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characteristic of Fish Glue from three different marine Fishes
Jurnal Ilmu dan Teknologi Kelautan Tropis, 2015Co-Authors: Edo Prabawandwika Sulistyanto, Y S Darmanto, Ulfah AmaliaAbstract:Fish bone waste is a byproduct of Fish processing units, which can be utilized to produce Fish Glue. Fish Glue is an adhesive substance that made from collagen extract of Fish skin and bones . The purpose of this research was to determine the quality of the Fish Glue with different raw materials of marine Fishes bones such as Spanish Mackerel (Scomberomorus commerson), Eastern little Tuna (Euthynnus affinis), and Cobia (Rachycentron canadum). The research method was the extraction of Fish bones using 5% CH 3 COOH solution with a ratio of Fish bone and solution of 1:1 . Later, the filtrate was evaporated using a rotary vacuum evaporator to obtain Fish Glue. Parameters measured were bonding strength, damage to wooden surfaces, viscosity, pH , and moisture content. The results showed that the use of raw materials of different Fish bones affect the value of the bonding strength, damage to wooden surfaces, viscosity, pH, and moisture content. Fish Glue made of Eastern little Tuna bones as raw material wa s the best product resulted from this research, with the Fish Glue characteristics for bonding strength of 7.7 N/mm 2 , wood surface damage of 83.21% , viscosity of 4.17 poise , pH 4.74 , and moisture content of 55.60% . The product was also comply with SNI 06-6049-1999 of p olyvinyl a cetate e mulsion a dhesives for w ood w orking. The research results indicated that f ish bones as raw material are potential to be developed in the manufacture of Fish Glue. Keywords: Fish Glue, bones, spanish mackerel, eastern little tuna, cobia
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CHARACTERISTIC OF Fish Glue FROM THREE DIFFERENT MARINE FishES
Jurnal Ilmu dan Teknologi Kelautan Tropis, 2015Co-Authors: Edo Prabawandwika Sulistyanto, Y S Darmanto, Ulfah AmaliaAbstract:<p><em>Fish bone waste is a byproduct of Fish processing units, which can be utilized</em><em> to produce</em><em> Fish Glue.</em><em> Fish Glue is an adhesive substance that made </em><em>from</em><em> collagen extract of Fish skin and bones</em><em>. The purpose of this research was to determine the quality of the Fish Glue with different raw materials of marine Fishes bones</em><em> such as</em><em> </em><em>Spanish Mackerel (Scomberomorus commerson), Eastern little Tuna (Euthynnus affinis), and Cobia (Rachycentron canadum). The research method was the extraction of Fish bones using 5% CH<sub>3</sub>COOH solution with a ratio of Fish bone and solution </em><em>of</em><em> 1:1</em><em>. Later,</em><em> the filtrate was evaporated using a rotary vacuum evaporator to obtain Fish Glue. Parameters measured were bonding strength, damage to wooden surfaces, viscosity, pH</em><em>,</em><em> and moisture content. The results showed that the use of raw materials of different Fish bones affect the value of the bonding strength, damage to wooden surfaces, viscosity, pH, and moisture content. Fish Glue made of Eastern little Tuna bones as raw material </em><em>wa</em><em>s the best product resulted from this research, with the </em><em>Fish Glue </em><em>characteristics </em><em>for</em><em> bonding strength of 7.7 </em><em>N/mm</em><em><sup>2</sup></em><em>,</em><em> wood surface damage of 83.21%</em><em>,</em><em> viscosity of 4.17 poise</em><em>,</em><em> pH 4.74</em><em>,</em><em> and moisture content of 55.60%</em><em>. The</em><em> product </em><em>was also</em><em> comply with SNI 06-6049-1999 of </em><em>p</em><em>olyvinyl </em><em>a</em><em>cetate </em><em>e</em><em>mulsion </em><em>a</em><em>dhesives for </em><em>w</em><em>ood </em><em>w</em><em>orking. </em><em>The research results indicated that f</em><em>ish bones as raw material are</em><em> potential to be developed in the manufacture of Fish Glue.</em></p> <p> </p> <strong><em>Keywords: </em></strong><em>Fish Glue, bones, spanish mackerel, eastern little tuna, cobia</em>
Y S Darmanto - One of the best experts on this subject based on the ideXlab platform.
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characteristic of Fish Glue from three different marine Fishes
Jurnal Ilmu dan Teknologi Kelautan Tropis, 2015Co-Authors: Edo Prabawandwika Sulistyanto, Y S Darmanto, Ulfah AmaliaAbstract:Fish bone waste is a byproduct of Fish processing units, which can be utilized to produce Fish Glue. Fish Glue is an adhesive substance that made from collagen extract of Fish skin and bones . The purpose of this research was to determine the quality of the Fish Glue with different raw materials of marine Fishes bones such as Spanish Mackerel (Scomberomorus commerson), Eastern little Tuna (Euthynnus affinis), and Cobia (Rachycentron canadum). The research method was the extraction of Fish bones using 5% CH 3 COOH solution with a ratio of Fish bone and solution of 1:1 . Later, the filtrate was evaporated using a rotary vacuum evaporator to obtain Fish Glue. Parameters measured were bonding strength, damage to wooden surfaces, viscosity, pH , and moisture content. The results showed that the use of raw materials of different Fish bones affect the value of the bonding strength, damage to wooden surfaces, viscosity, pH, and moisture content. Fish Glue made of Eastern little Tuna bones as raw material wa s the best product resulted from this research, with the Fish Glue characteristics for bonding strength of 7.7 N/mm 2 , wood surface damage of 83.21% , viscosity of 4.17 poise , pH 4.74 , and moisture content of 55.60% . The product was also comply with SNI 06-6049-1999 of p olyvinyl a cetate e mulsion a dhesives for w ood w orking. The research results indicated that f ish bones as raw material are potential to be developed in the manufacture of Fish Glue. Keywords: Fish Glue, bones, spanish mackerel, eastern little tuna, cobia
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CHARACTERISTIC OF Fish Glue FROM THREE DIFFERENT MARINE FishES
Jurnal Ilmu dan Teknologi Kelautan Tropis, 2015Co-Authors: Edo Prabawandwika Sulistyanto, Y S Darmanto, Ulfah AmaliaAbstract:<p><em>Fish bone waste is a byproduct of Fish processing units, which can be utilized</em><em> to produce</em><em> Fish Glue.</em><em> Fish Glue is an adhesive substance that made </em><em>from</em><em> collagen extract of Fish skin and bones</em><em>. The purpose of this research was to determine the quality of the Fish Glue with different raw materials of marine Fishes bones</em><em> such as</em><em> </em><em>Spanish Mackerel (Scomberomorus commerson), Eastern little Tuna (Euthynnus affinis), and Cobia (Rachycentron canadum). The research method was the extraction of Fish bones using 5% CH<sub>3</sub>COOH solution with a ratio of Fish bone and solution </em><em>of</em><em> 1:1</em><em>. Later,</em><em> the filtrate was evaporated using a rotary vacuum evaporator to obtain Fish Glue. Parameters measured were bonding strength, damage to wooden surfaces, viscosity, pH</em><em>,</em><em> and moisture content. The results showed that the use of raw materials of different Fish bones affect the value of the bonding strength, damage to wooden surfaces, viscosity, pH, and moisture content. Fish Glue made of Eastern little Tuna bones as raw material </em><em>wa</em><em>s the best product resulted from this research, with the </em><em>Fish Glue </em><em>characteristics </em><em>for</em><em> bonding strength of 7.7 </em><em>N/mm</em><em><sup>2</sup></em><em>,</em><em> wood surface damage of 83.21%</em><em>,</em><em> viscosity of 4.17 poise</em><em>,</em><em> pH 4.74</em><em>,</em><em> and moisture content of 55.60%</em><em>. The</em><em> product </em><em>was also</em><em> comply with SNI 06-6049-1999 of </em><em>p</em><em>olyvinyl </em><em>a</em><em>cetate </em><em>e</em><em>mulsion </em><em>a</em><em>dhesives for </em><em>w</em><em>ood </em><em>w</em><em>orking. </em><em>The research results indicated that f</em><em>ish bones as raw material are</em><em> potential to be developed in the manufacture of Fish Glue.</em></p> <p> </p> <strong><em>Keywords: </em></strong><em>Fish Glue, bones, spanish mackerel, eastern little tuna, cobia</em>
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karakteristik lem ikan dari tiga jenis ikan laut yang berbeda characteristic of Fish Glue from three different marine Fishes
2015Co-Authors: Edo Prabawandwika Sulistyanto, Y S DarmantoAbstract:Fish bone waste is a byproduct of Fish processing units, which can be utilized to produce Fish Glue. Fish Glue is an adhesive substance that made from collagen extract of Fish skin and bones. The purpose of this research was to determine the quality of the Fish Glue with different raw materials of marine Fishes bones such as Spanish Mackerel (Scomberomorus commerson), Eastern little Tuna (Euthynnus affinis), and Cobia (Rachycentron canadum). The research method was the extraction of Fish bones using 5% CH3COOH solution with a ratio of Fish bone and solution of 1:1. Later, the filtrate was evaporated using a rotary vacuum evaporator to obtain Fish Glue. Parameters measured were bonding strength, damage to wooden surfaces, viscosity, pH, and moisture content. The results showed that the use of raw materials of different Fish bones affect the value of the bonding strength, damage to wooden surfaces, viscosity, pH, and moisture content. Fish Glue made of Eastern little Tuna bones as raw material was the best product resulted from this research, with the Fish Glue characteristics for bonding strength of 7.7 N/mm 2 , wood surface damage of 83.21%, viscosity of 4.17 poise, pH 4.74, and moisture content of 55.60%. The product was also comply with SNI 06-6049-1999 of polyvinyl acetate emulsion adhesives for wood working. The research results indicated that Fish bones as raw material are potential to be developed in the manufacture of Fish Glue.
Rupert Wimmer - One of the best experts on this subject based on the ideXlab platform.
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Water sorption mechanisms of commercial wood adhesive films
Wood Science and Technology, 2013Co-Authors: Rupert Wimmer, Oliver Kläusler, Peter NiemzAbstract:As water moves inside the wood, the Gluelines might act as barriers that are potentially leading to local moistening. Even low amounts of water may influence the mechanical performance of Glued wood products. Dynamic vapor sorption analysis was performed to assess the sorption processes of six commercial wood adhesives. Vapor sorption isotherms were compared with vapor uptake dynamics. Phenol–resorcinol–formaldehyde showed high moisture uptake of 18 %, while vapor diffusion speed was low. Fish Glue showed a water uptake of 45 % at otherwise moderate vapor uptake speed. Melamine–formaldehyde resin gained 22 % water, and polyvinyl acetate absorbed 10 %. The latter was also the fastest vapor absorbing adhesive. Polyurethane only absorbed 3.5 %of moisture at medium uptake speed. Mechanisms of water diffusion seem to be driven by (1) the available free volume in the polymer and (2) the interacting ionic groups of the polymer chain. While the free volume could be linked to the accumulated moisture, the ionic group interaction might determine the measured vapor diffusion dynamics.