Patent ID: 11905438
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC C  B | IPC B  C

Claim 5:
6. A process according to claim 1, wherein the hot melt processable pressure sensitive adhesive composition comprises:
a) from 20 wt % to 80 wt % of the (meth)acrylate (co)polymer component, based on the weight of the hot melt processable pressure sensitive adhesive composition;
b) from 0.1 wt % to 10 wt % of a crosslinking agent, based on the weight of the hot melt processable pressure sensitive adhesive composition;
c) from 20 wt % to 70 wt % of the polymeric resin, based on the weight of the hot melt processable pressure sensitive adhesive composition;
the hot melt processable pressure sensitive adhesive composition
d) optionally further comprising at least one of from 1 wt % to 20 wt % of the expandable microspheres, based on the weight of the hot melt processable pressure sensitive adhesive composition; and
e) from 0.5 wt % to 20 wt % of the at least one pigment, based on the weight of the hot melt processable pressure sensitive adhesive composition.