Processes of synthesizing aromatic amine-based benzoxazine resins
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United States of America Patent
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Aug 24, 2010
Grant Date -
Feb 21, 2008
app pub date -
Aug 16, 2007
filing date -
Aug 17, 2006
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Abstract
Processes of synthesizing aromatic amine-based benzoxazine resins are disclosed. The processes provide new routes for synthesizing benzoxazine from aromatic diamines or multifunctional aromatic amines that may solve the problem of insoluble products resulted from the condensation of hydroxymethylamine with amine by using aromatic diamine, phenol and formaldehyde as a raw materials.
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