Semi-rigid, heat-sealable laminates with permanent...

Details Semi-rigid, heat-sealable laminates with permanent... Semi-rigid, heat-sealable laminates with permanent...

B - Operations, Transporting

32

B

154/140, 217/192

B32B 27/06 (2006.01) B32B 27/18 (2006.01) B32B 33/00 (2006.01) B32B 31/30 (1990.01)

Patent

CA 2013742

ABSTRACT OF THE DISCLOSURE A semi-rigid, heat-sealable laminate with permanent antistatic characteristics comprising a semi-rigid packaging material having a coat- ing of heat-sealable antistatic plastic. The antistatic plastic is a film of a modified acid copolymer. The modified acid copolymer is selected from (I) a mixture of (A) a polymer containing carboxylic acid moieties and (B) an antistatically effective amount of a guaternary amine, or (II) the acid/base reaction product of (A) a polymer containing carboxylic acid moieties and (C) an antistatically effective amount of an organic or inor- ganic base. 5/891227.3/SPECFLDR/03/23/90/10:36:33 AM

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