Toughened rubber based hot melt adhesive compositions for bookbi

Details Toughened rubber based hot melt adhesive compositions for bookbi Toughened rubber based hot melt adhesive compositions for bookbi

1988-08-17

1990-07-17

Buffalow, Edith

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...

156334, 156908, 281 211, 524343, 412 2, 412 5, 412 8, C08J 2300

Patent

active

049421956

ABSTRACT:
Thus, the present invention is directed to hot melt adhesive compositions suitable for bookbinding application comprising tackifying resins, at least one wax diluent and a substantially radial styrene-butadiene block copolymer, the copolymer having a styrene content greater than about 35% by weight, a modulus at 300% elongation of at least 4.5 MPa and a solution viscosity less than about 1000 cps.

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