{"title":"粘土瓦内表面改性提高耐寒性","authors":"Masahiko Nakamura, S. Okuda","doi":"10.2109/JCERSJ1950.94.1096_1239","DOIUrl":null,"url":null,"abstract":"The possibility of surface modification of a hydrophilic hydroxy group on silica surface to a hydrophobic butoxy group was investigated on clay roofing tile specimens, and the enhancement in frost durability was experimentally confirmed. The internal surface modification was undertaken by reflux-boiling of rectangular shaped specimens (2.5cm×2.5cm, 1.8cm in thickness) in pure n-butanol for 24 hours. The formation of butoxy group on the internal surface of clay roofing tiles was experimentally confirmed by comparing IR spectra and water absorption between surface-modified and non-modified specimens of clay roofing tiles. The surface modification enhanced the frost durability of clay roofing tiles.","PeriodicalId":17274,"journal":{"name":"Journal of the Ceramic Association, Japan","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Enhancement of Frost Durability by Modification of Internal Surface of Clay Roofing Tiles\",\"authors\":\"Masahiko Nakamura, S. Okuda\",\"doi\":\"10.2109/JCERSJ1950.94.1096_1239\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The possibility of surface modification of a hydrophilic hydroxy group on silica surface to a hydrophobic butoxy group was investigated on clay roofing tile specimens, and the enhancement in frost durability was experimentally confirmed. The internal surface modification was undertaken by reflux-boiling of rectangular shaped specimens (2.5cm×2.5cm, 1.8cm in thickness) in pure n-butanol for 24 hours. The formation of butoxy group on the internal surface of clay roofing tiles was experimentally confirmed by comparing IR spectra and water absorption between surface-modified and non-modified specimens of clay roofing tiles. The surface modification enhanced the frost durability of clay roofing tiles.\",\"PeriodicalId\":17274,\"journal\":{\"name\":\"Journal of the Ceramic Association, Japan\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1986-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the Ceramic Association, Japan\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2109/JCERSJ1950.94.1096_1239\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Ceramic Association, Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2109/JCERSJ1950.94.1096_1239","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Enhancement of Frost Durability by Modification of Internal Surface of Clay Roofing Tiles
The possibility of surface modification of a hydrophilic hydroxy group on silica surface to a hydrophobic butoxy group was investigated on clay roofing tile specimens, and the enhancement in frost durability was experimentally confirmed. The internal surface modification was undertaken by reflux-boiling of rectangular shaped specimens (2.5cm×2.5cm, 1.8cm in thickness) in pure n-butanol for 24 hours. The formation of butoxy group on the internal surface of clay roofing tiles was experimentally confirmed by comparing IR spectra and water absorption between surface-modified and non-modified specimens of clay roofing tiles. The surface modification enhanced the frost durability of clay roofing tiles.
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