Preparation of acrylic hot-melt pressure-sensitive adhesives...

Details Preparation of acrylic hot-melt pressure-sensitive adhesives... Preparation of acrylic hot-melt pressure-sensitive adhesives...

2005-04-26

2005-04-26

Reddick, Judy M. (Department: 1713)

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...

C252S589000, C264S211120, C522S153000, C523S300000, C523S340000, C524S272000, C524S457000, C524S458000, C524S501000, C524S824000, C524S828000, C524S831000, C524S833000

Reexamination Certificate

active

06884840

ABSTRACT:
A process for preparing hot-melt pressure-sensitive adhesives from aqueous dispersions based on polyacrylate, and pressure-sensitively adhesive articles produced therefrom, which comprises producing highly concentrated aqueous dispersions with polymer contents between 68% by weight and 87% by weight of gel-free, molecularly-dispersely meltable polymer particles with an at least bimodal size distribution in size ranges between 0.5 μm and 1000 μm Ø.

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