C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
400/3002, 2/98.1
C09J 153/02 (2006.01) A61F 13/58 (2006.01) A61L 15/58 (2006.01) C09J 7/02 (2006.01)
Patent
CA 1323118
Abstract PRESSSURE-SENSITIVE ADHESIVE COMPOSITION, TAPE AND DIAPER CLOSURE SYSTEM Pressure-sensitive adhesive compositions and an improved refastenable tape closure system comprising a release tape and a fastening tape wherein the fastening tape has a balance of properties such that the tape exhibits a maximum in the peel force between peel rates of 10 cm./minute and 400 cm./minute when peeled from a polyolefin substrate as found in disposable diaper back sheets are disclosed. The adhesive of the fastening tape comprises a specific range of compositions including an elastomeric component based on an A-B-A block copolymer wherein the A blocks are derived from styrene or alphamethylstyrene and the B blocks are derived from isoprene, butadiene, or hydrogenated versions of these or an (AB) block copolymer of the same type of composition in another geometry such as a tapered block copolymer or a radial block copolymer, a solid tackifier resin, a liquid tackifier resin, and an end block reinforcing resin.
575362
Miller John A.
von Jakusch Egbert A.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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