Effect of Zinc Borate on Flammability of PET Woven Fabrics

Table 1

The flame retardant treatment conditions of PET fabrics.

Finishing agent and application conditions	Quantity (g/l)
	Z50	Z100	Z200	PSY	PSY-Z20	PEK	PEK-; Z25	PEK-Z50
Agent A (PSY)	0	0	0	80	60	0	0	0
Agent B (PEK)	0	0	0	0	0	100	75	50
ZnB dispersion	50	100	200	0	20	0	25	50
Pick-up (%)	92.35	91.25	90.75	87.74	97.20	90.87	90.60	89.30
pH	5.5	5.5	5.5	5.0	5.0	6.0	6.0	6.0
Drying	120°C	120°C	120°C	120°C	120°C	120°C	120°C	120°C
	2 min.	2 min.	2 min.	1.5 min.	1.5 min.	1.5 min.	1.5 min.	1.5 min.
Curing	160°C	160°C	160°C	190°C	190°C	190°C	190°C	190°C
	3 min	3 min.	3 min.	1.5 min	1.5 min.	1.5 min.	1.5 min.	1.5 min.