Enhancement of Adhesion between EPDM and Polyester Fabric by Using Natural Rubber Modified by Maleic Anhydride

Table 1

EPDM mix formulation containing Vulkasil s, Vulcacil h, resorcinol, and NR modified by MA.

Mix name → Ingredients^a↓	A1	A2	A3	A4
EPDM	100	100	100	100
ZnO	5	5	5	5
Stearic acid	2	2	2	2
S	1.5	1.5	1.5	1.5
MBT^b	0.75	0.75	0.75	0.75
TMTD^c	1.00	1.00	1.00	1.00
SRF	30	30	30	30
Processing oil	5	5	5	5
IPPD^d	1.5	1.5	1.5	1.5
Vulkacil s^e	—	5	—	5
Vulcacil h^f	—	5	—	5
Resorcinol	—	5	—	5
NR modified by MA	—	—	5	5

^aParts by weight.
^bMercaptobenzthiazole.
^cTetramethylthiuram disulfide.
^dN-phenyl-N′-isopropyl-p-phenylenediamine.
^eHydrated silica.
^fHexamethylene tetramine.