Table 3 Flame retardant test data of pure EP and DOPO-KhCPA composites.

From: A multi-element flame retardant containing boron and double-bond structure for enhancing mechanical properties and flame retardancy of epoxy resins

Sample

LOI (%)

UL-94 burning test

t1 + t2 (s)

Drips

Rating

Pure EP

25.6

Lasting burning

Yes

No Rating

DOPO-KhCPA-1

28.8

35

NO

V-1

DOPO-KhCPA-3

30.3

5

NO

V-0

DOPO-KhCPA-5

32.0

3

NO

V-0

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