Release coating

Details Release coating Release coating

1993-07-02

1996-07-16

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

428195, 428201, 428206, 428340, 4284111, 428454, 428500, 428515, B32B 706

Patent

active

055365710

ABSTRACT:
A multi-ply structure which includes a release coating sandwiched between two plies of the structure and present in an amount of about 5 to about 25 g/sq yd., one of the plies of the structure being flexible and in contact with the release coating and removable therefrom by the application of a force of between about 90 to about 600 g/in., as determined by the Keil test procedure, including a composition for forming the release coating and comprising an aqueous coating composition which includes a solids portion and which is effective in formig a coating having release properties, the solids portion of the comosition comprising a major amount of resin binder and a minor amount of filler, the filler comprising a major amount of clay and a minor amount of magnesium or calcium hydroxide, and including also a continuous process for forming such multi-ply structure, including particularly a structure comprising a poly(vinyl chloride) ply strippable from a support ply.

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