Coated abrasive having a coextruded polyester support film...

Details Coated abrasive having a coextruded polyester support film... Coated abrasive having a coextruded polyester support film...

B - Operations, Transporting

24

D

57/6

B24D 11/02 (2006.01)

Patent

CA 1099116

F.N. 912,882 ABSTRACT Coated abrasive sheet material having a support film backing which comprises a biaxially oriented, heat- set coextruded laminate formed from two or more polyester polymers, one layer of the laminate being highly crystalline and the coated layer being tough and non-crystalline. Coatings of binder material and abrasive, which normally adhere poorly to a biaxially oriented heat-set highly crystalline monofilm adhere firmly to the non crystalline surface of the laminate.

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