Table 5 EDX results of the residue char of 20DOPO-CuPc/EP after cone calorimetry test.

From: A phosphorus-containing hyperbranched phthalocyanine flame retardant for epoxy resins

Element

C

N

O

S

P

Cu

Weight content (%)

35.58

12.39

39.25

9.41

2.58

0.79

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