Can Eastoflex™ amorphous polyolefins be used as extenders for polyisobutylene in hot melt adhesive and sealant formulations?
Eastoflex™ E1003 is a low molecular weight tacky amorphous co-polymer with a high resistance to moisture vapor and generally resistant to oxygen and ozone. Although tensile strength and lap shear properties may be slightly reduced, weathering, peel strength and moisture vapor transmission properties can be improved when Eastoflex™ E1003 is substituted for polyisobutylene. See Eastman publications WA-52 and WA-60 for additional information.
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