Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1993-05-26
1994-04-26
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524371, 524373, 428352, 428354, 428355, 428447, 428 40, 428421, 428422, C08J 510, C08K 506, C08L 7100
Patent
active
053067584
ABSTRACT:
Curable, crosslinkable compositions and coatings prepared therefrom that can be used to form low-surface energy liners that can be used with aggressive pressure-sensitive adhesives, such as adhesives formed from silicone resins. The release characteristics of these coatings do not diminish upon aging and do not adversely affect the readhesion properties of adhesives that have-come in contact with the coatings. The invention further provides substrates bearing a layer of the composition of the invention. These coated substrates are particularly suitable for release liners, especially differential release liners and low-adhesion backsizes for pressure-sensitive adhesive tapes and sheet materials, especially for pressure-sensitive adhesives derived from silicone resins. Because the coatings of this invention can have more than 50% by weight inert oils without significantly reducing the readhesion of adhesives removed from them, they provide an economic advantage over those coatings prepared by using only the more expensive reactive group-containing polyfluoropolyethers.
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*Chemical Abstracts, vol. 113, No. 23, Dec. 3, 1990, Abstract No. 213979Q.
Griswold Gary L.
Kirn Walter N.
Michl Paul R.
Minnesota Mining and Manufacturing Company
Rajguru U. K.
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