Hot melt adhesive composition and tape

Details Hot melt adhesive composition and tape Hot melt adhesive composition and tape

1973-10-17

1976-01-13

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 27R, 260 336AQ, 260876B, 260880B, 428355, 428512, C08K 501, C08L 5302, C08L 9304, C09J 704

Patent

active

039323285

ABSTRACT:
A hot melt pressure-sensitive adhesive composition and tape wherein the adhesive comprises an elastomeric component based on an elastomeric and thermoplastic A-B-A block copolymer wherein the B blocks are derived from isoprene and the A blocks are derived from styrene, and a unique tackifier component based on a blend of solid and liquid tackifier resins. The elastomeric and tackifier components are combined in specific proportions, as are the solid and liquid tackifier resins in the tackifier component. Preferred solid and liquid tackifier resins are disclosed.

REFERENCES:
patent: 3239478 (1966-03-01), Harlan
patent: 3325430 (1967-06-01), Grasley
patent: 3577398 (1971-05-01), Pace
patent: 3632540 (1972-01-01), Unmuth
patent: 3649579 (1972-03-01), Gobran
patent: 3736281 (1973-05-01), Russell

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