Hot melt adhesive having a high acid number for disposable soft

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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524270, 524271, 524272, 524505, 525 95, 525 98, 156327, 156334, C09J10906, C09J12510, C09J19304, C08L 5302

Patent

active

059105275

ABSTRACT:
A hot melt construction adhesive having a high acid number and which possesses superior properties for the construction of disposable soft goods. The adhesive composition includes an A-B-A block copolymer; a resin; a compatible mineral oil; and an antioxidant; and wherein the hot melt construction adhesive has a viscosity of less than 10,000 cP at 325.degree. F., a melting point of less than 190.degree. F., and an acid number of greater than 30.

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ASTM D465-82-Standard Test Methods for Acid Number of Rosin.
ASTM D1994-91-Standard Test Method for the determination of acid numbers for Hot Melt Adhesives.

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