CKC & Partners Co., Ltd.
Phosphor-containing phenol formaldehyde resin compound and flame-retardant epoxy resin hardener made from thereof
The present disclosure provides a phosphor-containing phenol formaldehyde resin compound having a general formula (I): The compound is formed of a phenol formaldehyde resin and an aromatic phosphate compound by performing a condensation reaction, which may be used as a curing agent of an epoxy resin. The phenol formaldehyde resin is formed of a phenolic compound, a bisphenol compound and formaldehyde. The present disclosure further provides a phosphor-containing phenol formaldehyde resin cured material which is formed of the phosphor-containing phenol formaldehyde resin compound and an epoxy resin under a high temperature. The phosphor-containing phenol formaldehyde resin compound is added separately or mixed with an epoxy resin curing agent. 
Jiangsu Yoke Technology Co., Ltd
C C C C C C
C08K C08L C08L C08G C08G C08L
inventional additional inventional inventional inventional inventional
Tung-Ying Qi Chia-Ming
Hsieh Shen Chang