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Synthesis of a New Intumescent Flame Retardant(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2007年04期
Page:
59-62
Research Field:
Publishing date:

Info

Title:
Synthesis of a New Intumescent Flame Retardant
Author(s):
Yu Chunhong; Zhang Ye; Yan Hui; Yang Jinfei
School of Chemistry and Environmental Science,Nanjing Normal University,Nanjing 210097,China
Keywords:
M e lab is;  intumescent flam retardant;  m elam ine;  syn thesis
PACS:
TQ314.248
DOI:
-
Abstract:
B is( 2, 6, 7- tr ioxa-1-phoshab icy clo[ 2, 2, 2]-oc tane-4-m ethano l) phospha te(M e lab is) w as synthes ized from pentaery thr ito,l pho spho rous oxych lo ride and m e lam ine after the three- step. W e m a in ly focus on the reaction cond-i tions o f step 1. It is de term ined by contrastive experim ent tha t tr ie thy lam ine and 1, 4-D ioxane are used asHC l acceptor and the so lvent o f the first step. W ith an exper im ent m ethod, the suitable synthesis cond ition are de fined as fo-l lows: the mo lar ratio of phosphorous oxychloride and the entaery thr ito l is 1.04:1, reaction tim e 5h, reaction temperature 95℃ . Unde r the above conditions, synthetic productiv ity can reach 841 0%. The structure o f the productw as defined by elem enta l analysis and IR.

References:

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Last Update: 2013-04-29