Low-volatility pressure sensitive adhesives

Details Low-volatility pressure sensitive adhesives Low-volatility pressure sensitive adhesives

1993-08-30

1995-07-25

Lesmes, George F.

Coating processes

Coating remains adhesive or is intended to be made adhesive

Pressure sensitive adhesive

428 40, 428343, 428349, B32B 712, B32B 1504, B05D 510

Patent

active

054360617

ABSTRACT:
Pressure sensitive adhesives (PSA) having a reduced volatile fraction content are provided by a process which comprises extracting a cured PSA with a fluid in or near its supercritical state. The process provides PSAs and articles containing PSAs which meet the volatility requirements of ASTM E-595. A silicone PSA transfer film having utility in outer space is obtained.

REFERENCES:
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patent: 3772247 (1973-11-01), Flannigan
patent: 4736048 (1988-04-01), Brown et al.
patent: 4842902 (1989-06-01), Brown et al.
patent: 4889753 (1989-12-01), Brown et al.
patent: 4968766 (1990-11-01), Kendziorski
patent: 4980443 (1990-12-01), Kendziorski et al.
patent: 5118530 (1992-06-01), Hanneman et al.
McHugh and Krukonis, "Supercritical Fluid Extraction", Chapter 9, Butterworth Publishers, 1986.

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