Pressure sensitive adhesive material and method of preparation

Details Pressure sensitive adhesive material and method of preparation Pressure sensitive adhesive material and method of preparation

1976-07-26

1979-08-07

Goolkasian, John T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

156 77, 156246, 156332, 156230, 156249, 260 296MH, 260 296ME, 427245, 427373, 427385R, 427207C, 427379, 428343, 428355, B32B 326, B32B 518

Patent

active

041638220

ABSTRACT:
The present invention provides a process for making a water vapor permeable pressure sensitive adhesive material which comprises forming on a surface which is poorly wettable (or non-wettable) by water, a continuous coating of an aqueous emulsion based pressure sensitive adhesive having dispersed therein a water immiscible organic liquid which is more volatile than water and which does not break the emulsion; leaving the coating at room temperature until pores develop and reach a size such that the material when dried will have a water vapor permeability of from 2000 to 10,000 units as hereinafter defined; drying the coating at a higher temperature and transferring the adhesive mass to a water vapor permeable backing material. The pressure sensitive adhesive material finds use in the medical and surgical fields and especially in first-aid dressings and tapes.

REFERENCES:
patent: 2618580 (1952-11-01), Lancaster
patent: 2940868 (1960-06-01), Patchell
patent: 3090694 (1963-05-01), Pereny et al.
patent: 3121021 (1964-02-01), Copeland
patent: 3302501 (1967-02-01), Greene
patent: 3484916 (1969-12-01), Johnstone
patent: 3490937 (1970-01-01), Pietsch et al.
patent: 3523846 (1970-08-01), Muller
patent: 3565982 (1971-02-01), Day
patent: 3719540 (1973-03-01), Hall
patent: 3819542 (1974-06-01), Kreider

Affiliated with

Also associated with

Rating

Pressure sensitive adhesive material and method of preparation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressure sensitive adhesive material and method of preparation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure sensitive adhesive material and method of preparation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1525340