Hot melt adhesive based on ethylene-propylene rubber (EPR) and s

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524504, 524522, 524523, 524524, 524525, 524529, 524533, 524534, 524474, 524487, C09J12300, C08L 2300, C08L 9106, C08K 501

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061438189

ABSTRACT:
An elastomeric-based hot melt adhesive composition having a variety of end uses, particularly in construction and elastic attachment applications on nonwoven disposable articles. The composition includes an elastomeric rubber polymer or a mixture of elastomeric rubber polymers together with a semicrystalline olefinic polymer or a mixture of semicrystalline olefinic polymers, a tackifier resin, a plasticizer, a wax and a stabilizer. The preferred elastomeric rubber polymer is an ethylene-propylene rubber copolymer (EPR) and/or an ethylene-propylene diene monomer rubber terpolymer (EPDM). The hot melt adhesive composition can be applied using common application techniques such as extruding or spraying.

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Keltan Survey of EPDM grades, DSM Copolymer, Inc., Nov., 1996.
Keltan 1446A Ultra-low viscosity EPDM, DSM Copolymer, Inc., Aug., 1995.

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