Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization
Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring...
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Walter de Gruyter ; 2010 2010 |
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©2011 by Walter de Gruyter Berlin New York |
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7 |
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Walter de Gruyter Online Zeitschriften |
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Enthalten in: Holzforschung - Berlin [u.a.] : de Gruyter, 1947, 65(2010 2010), 2 vom: 11 11., Seite 163-169 |
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volume:65 ; year:2010 2010 ; number:2 ; day:11 11 ; month:10 ; pages:163-169 ; extent:7 |
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10.1515/hf.2010.120 |
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| 520 | |a Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. | ||
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10.1515/hf.2010.120 doi artikel_Grundlieferung.pp (DE-627)NLEJ246925280 DE-627 ger DE-627 rakwb Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization Walter de Gruyter 2010 2010 7 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2011 by Walter de Gruyter Berlin New York Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. Walter de Gruyter Online Zeitschriften Bambusa dolichoclada phenol-liquefied bamboo phenolic resins spherical phenol-formaldehyde (PF) beads Lee, Wen-Jau oth Yu, Chao-Yun oth Chang, Kuo-Chun oth Huang, Ying-Pin oth Chang, Ching-Hui oth Liu, Cheng-Tzu oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 65(2010 2010), 2 vom: 11 11., Seite 163-169 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:65 year:2010 2010 number:2 day:11 11 month:10 pages:163-169 extent:7 https://doi.org/10.1515/hf.2010.120 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 65 2010 2010 2 11 11 10 10 163-169 7 |
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10.1515/hf.2010.120 doi artikel_Grundlieferung.pp (DE-627)NLEJ246925280 DE-627 ger DE-627 rakwb Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization Walter de Gruyter 2010 2010 7 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2011 by Walter de Gruyter Berlin New York Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. Walter de Gruyter Online Zeitschriften Bambusa dolichoclada phenol-liquefied bamboo phenolic resins spherical phenol-formaldehyde (PF) beads Lee, Wen-Jau oth Yu, Chao-Yun oth Chang, Kuo-Chun oth Huang, Ying-Pin oth Chang, Ching-Hui oth Liu, Cheng-Tzu oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 65(2010 2010), 2 vom: 11 11., Seite 163-169 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:65 year:2010 2010 number:2 day:11 11 month:10 pages:163-169 extent:7 https://doi.org/10.1515/hf.2010.120 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 65 2010 2010 2 11 11 10 10 163-169 7 |
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10.1515/hf.2010.120 doi artikel_Grundlieferung.pp (DE-627)NLEJ246925280 DE-627 ger DE-627 rakwb Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization Walter de Gruyter 2010 2010 7 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2011 by Walter de Gruyter Berlin New York Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. Walter de Gruyter Online Zeitschriften Bambusa dolichoclada phenol-liquefied bamboo phenolic resins spherical phenol-formaldehyde (PF) beads Lee, Wen-Jau oth Yu, Chao-Yun oth Chang, Kuo-Chun oth Huang, Ying-Pin oth Chang, Ching-Hui oth Liu, Cheng-Tzu oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 65(2010 2010), 2 vom: 11 11., Seite 163-169 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:65 year:2010 2010 number:2 day:11 11 month:10 pages:163-169 extent:7 https://doi.org/10.1515/hf.2010.120 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 65 2010 2010 2 11 11 10 10 163-169 7 |
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10.1515/hf.2010.120 doi artikel_Grundlieferung.pp (DE-627)NLEJ246925280 DE-627 ger DE-627 rakwb Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization Walter de Gruyter 2010 2010 7 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2011 by Walter de Gruyter Berlin New York Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. Walter de Gruyter Online Zeitschriften Bambusa dolichoclada phenol-liquefied bamboo phenolic resins spherical phenol-formaldehyde (PF) beads Lee, Wen-Jau oth Yu, Chao-Yun oth Chang, Kuo-Chun oth Huang, Ying-Pin oth Chang, Ching-Hui oth Liu, Cheng-Tzu oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 65(2010 2010), 2 vom: 11 11., Seite 163-169 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:65 year:2010 2010 number:2 day:11 11 month:10 pages:163-169 extent:7 https://doi.org/10.1515/hf.2010.120 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 65 2010 2010 2 11 11 10 10 163-169 7 |
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10.1515/hf.2010.120 doi artikel_Grundlieferung.pp (DE-627)NLEJ246925280 DE-627 ger DE-627 rakwb Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization Walter de Gruyter 2010 2010 7 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2011 by Walter de Gruyter Berlin New York Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. Walter de Gruyter Online Zeitschriften Bambusa dolichoclada phenol-liquefied bamboo phenolic resins spherical phenol-formaldehyde (PF) beads Lee, Wen-Jau oth Yu, Chao-Yun oth Chang, Kuo-Chun oth Huang, Ying-Pin oth Chang, Ching-Hui oth Liu, Cheng-Tzu oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 65(2010 2010), 2 vom: 11 11., Seite 163-169 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:65 year:2010 2010 number:2 day:11 11 month:10 pages:163-169 extent:7 https://doi.org/10.1515/hf.2010.120 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 65 2010 2010 2 11 11 10 10 163-169 7 |
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spherical pf resin beads prepared from phenol-liquefied bambusa dolichoclada with suspension polymerization |
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Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization |
| abstract |
Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. ©2011 by Walter de Gruyter Berlin New York |
| abstractGer |
Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. ©2011 by Walter de Gruyter Berlin New York |
| abstract_unstemmed |
Bambusa dolichoclada Hayata (long-shoot bamboo) was liquefied in phenol with H2SO4 as a catalyst. The phenol-liquefied bamboo was then used as a raw material to prepare spherical phenol-formaldehyde (PF) resin beads by a suspension polymerization in a two-step process. The influence of the stirring speed (300, 350 and 400 rpm), the stabilizer dosage (3%, 4% and 5%) and the total molar ratio of formaldehyde to free phenol (F/P) (3.0/1, 3.5/1 and 4.0/1) on the properties of spherical PF beads was investigated. The results show that the yield, diameter and dimensional distribution of prepared PF beads were influenced by reaction conditions. The diameter of beads decreased as the stabilizer dosage increased. It had a more uniform dimensional distribution when stirred with a speed of 400 rpm. Differential scanning calorimetry analysis shows that PF beads obtained were not completely cured and the post-curing reaction took place at temperatures exceeded 150°C. As revealed by thermal gravimetric analysis, the char yield was over 60% after heating to 800°C. ©2011 by Walter de Gruyter Berlin New York |
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Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization |
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Lee, Wen-Jau Yu, Chao-Yun Chang, Kuo-Chun Huang, Ying-Pin Chang, Ching-Hui Liu, Cheng-Tzu |
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Lee, Wen-Jau Yu, Chao-Yun Chang, Kuo-Chun Huang, Ying-Pin Chang, Ching-Hui Liu, Cheng-Tzu |
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