Pressure-sensitive adhesive composition and pressure-sensitive a

Details Pressure-sensitive adhesive composition and pressure-sensitive a Pressure-sensitive adhesive composition and pressure-sensitive a

1997-05-23

2000-07-25

Thibodeau, Paul

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

428 418, 428352, 428354, 428355N, 428480, 428483, 528272, 528354, 528355, 528361, B32B 2706, B32B 2736, C08G 6308

Patent

active

060934646

ABSTRACT:
A pressure-sensitive adhesive composition with a pressure-sensitive adhesive property and heat resistance comprises a polyester having a polylactone structure as the main chain. A pressure-sensitive adhesive sheet with a releasing property of a peelable liner and containing no silicone can be obtained by using the pressure-sensitive adhesive composition in combination with a polyolefin film without being subjected to a silicone treatment as a peelable liner. When the pressure-sensitive adhesive sheet comprises a base material having formed thereon the layer of the pressure-sensitive adhesive composition and the back side of the base material has a surface composed of a polyolefin, neither a peelable liner nor a silicone treatment is required. The pressure-sensitive adhesive sheet is suitably used for computer instruments etc., because it contains no silicone.

REFERENCES:
patent: 2822290 (1958-02-01), Webber
patent: 3666724 (1972-05-01), Hostettler
patent: 3767040 (1973-10-01), Tushaus
patent: 4052368 (1977-10-01), Larson
patent: 4096125 (1978-06-01), Smith et al.

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