H.B. Fuller patents hot melt pressure sensitive adhesive that contains vegetable wax

May 15, 2012

U.S. 8,110,623 B2
H.B. Fuller Company has received a patent for a hot melt pressure-sensitive adhesive composition comprised of a thermoplastic elastomer comprised of a block copolymer comprised of at least one A block comprised of polyvinyl aromatic compound and at least one B block comprised of an elastomeric unhydrogenated conjugated diene, hydrogenated conjugated diene or a combination thereof; tackifying agent; plasticizer oil; and from at least 5% by weight to approximately 25% by weight vegetable wax the pressure-sensitive adhesive composition exhibiting an onset of crystallization from melt of no greater than approximately 50° C.

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