Hot melt adhesive having controlled property change

Details Hot melt adhesive having controlled property change Hot melt adhesive having controlled property change

1995-10-17

1997-04-29

Webman, Edward J.

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...

524271, 524272, 524274, 524505, 524518, 524524, 524525, 524292, 524293, 524294, C09J 900, C09J 1106, C09J19300, C08K 5092

Patent

active

056249861

ABSTRACT:
The novel adhesives of this invention contain a blend of components that result in the adhesive having a physical property that changes at a controlled rate as a function of time after application until it reaches a final equilibrium value.
The adhesives can contain a thermoplastic polymer base, a tackifying resin, and an aromatic plasticizer optionally in combination with other ingredients. The plasticizer tackifier combination is chosen such that the tackifier/plasticizer interaction causes the initial value of the physical property after application to change, at a controlled rate, to a final equilibrium level.

REFERENCES:
patent: 4284542 (1981-08-01), Boyce et al.
patent: 4745026 (1988-05-01), Tsukahara et al.

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