{"title":"VPI-8的合成","authors":"M Yoshikawa , S.I Zones , M.E Davis","doi":"10.1016/S0927-6513(97)00031-X","DOIUrl":null,"url":null,"abstract":"<div><p>The synthetic procedures used to prepare VPI-8 are outlined in this report. VPI-8 was crystallized from reaction mixtures containing Li<sup>+</sup>, organic cations and zincosilicates. The effects of the concentrations of Li<sup>+</sup>, organic cations and zinc as well as the type of organic cation on the preparation of VPI-8 were investigated. There appeared to be an optimal reaction mixture composition for the fast crystallization of VPI-8. Additionally, the absence of organic cations and/or zinc inhibited the formation of VPI-8. VPI-8 could be crystallized with Na<sup>+</sup> rather than Li<sup>+</sup> when the syntheses were seeded or at low hydroxide concentrations, but the organic and/or zinc component must not be removed from the reaction mixture.</p></div>","PeriodicalId":100926,"journal":{"name":"Microporous Materials","volume":"11 3","pages":"Pages 127-136"},"PeriodicalIF":0.0000,"publicationDate":"1997-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0927-6513(97)00031-X","citationCount":"14","resultStr":"{\"title\":\"Synthesis of VPI-8\",\"authors\":\"M Yoshikawa , S.I Zones , M.E Davis\",\"doi\":\"10.1016/S0927-6513(97)00031-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The synthetic procedures used to prepare VPI-8 are outlined in this report. VPI-8 was crystallized from reaction mixtures containing Li<sup>+</sup>, organic cations and zincosilicates. The effects of the concentrations of Li<sup>+</sup>, organic cations and zinc as well as the type of organic cation on the preparation of VPI-8 were investigated. There appeared to be an optimal reaction mixture composition for the fast crystallization of VPI-8. Additionally, the absence of organic cations and/or zinc inhibited the formation of VPI-8. VPI-8 could be crystallized with Na<sup>+</sup> rather than Li<sup>+</sup> when the syntheses were seeded or at low hydroxide concentrations, but the organic and/or zinc component must not be removed from the reaction mixture.</p></div>\",\"PeriodicalId\":100926,\"journal\":{\"name\":\"Microporous Materials\",\"volume\":\"11 3\",\"pages\":\"Pages 127-136\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0927-6513(97)00031-X\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Microporous Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S092765139700031X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microporous Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S092765139700031X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The synthetic procedures used to prepare VPI-8 are outlined in this report. VPI-8 was crystallized from reaction mixtures containing Li+, organic cations and zincosilicates. The effects of the concentrations of Li+, organic cations and zinc as well as the type of organic cation on the preparation of VPI-8 were investigated. There appeared to be an optimal reaction mixture composition for the fast crystallization of VPI-8. Additionally, the absence of organic cations and/or zinc inhibited the formation of VPI-8. VPI-8 could be crystallized with Na+ rather than Li+ when the syntheses were seeded or at low hydroxide concentrations, but the organic and/or zinc component must not be removed from the reaction mixture.
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