Hot-melt pressure-sensitive adhesives based on block copolymers

Details Hot-melt pressure-sensitive adhesives based on block copolymers Hot-melt pressure-sensitive adhesives based on block copolymers

1976-10-18

1978-05-16

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23S, 260 233, 260 237M, 260 27R, C08L 900, C08L 906, C08L 4502, C08L 9304

Patent

active

040898245

ABSTRACT:
Hot-melt pressure-sensitive adhesive composition based on a rubbery block copolymer of a monovinyl-aromatic compound or monovinylidene-aromatic compound and butadiene.
The composition contains a selectively hydrogenated radial block copolymer with terminal polymer blocks of the monovinyl- or mono-vinylidene-aromatic compound and, in the middle position, butadiene-based polymer blocks which had a 1,2-vinyl content of from 30 to 70 per cent by weight prior to hydrogenation. The compositions may be used, in particular, for the production of self-adhesive materials.

REFERENCES:
patent: 3113986 (1963-12-01), Breslow et al.
patent: 3427269 (1969-02-01), Davis et al.
patent: 3700633 (1972-10-01), Wald et al.
patent: 3736281 (1973-05-01), Russell
patent: 3753936 (1973-08-01), Marrs
patent: 3917607 (1975-11-01), Crossland et al.
patent: 3932327 (1976-01-01), Naylor
patent: 3987002 (1976-10-01), Lakshmanan
patent: 3993613 (1976-11-01), Doss et al.

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