Biaxially oriented polypropylene film with cold seal release sur

Details Biaxially oriented polypropylene film with cold seal release sur Biaxially oriented polypropylene film with cold seal release sur

1997-03-05

1999-11-16

Thibodeau, Paul

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428216, 428349, 428354, 428409, 428516, B32B 712, B32B 2732

Patent

active

059854260

ABSTRACT:
Packaging film having a surface providing improved release properties from cold seal cohesives. The improved cold seal release properties prevent roll blocking when the film is unspooled from roll stock. Web and laminate packaging films are disclosed which incorporate the improved release properties. The packaging film finds special utility in packaging of heat sensitive articles.

REFERENCES:
patent: 4526919 (1985-07-01), Edwards
patent: 4528312 (1985-07-01), Edwards
patent: 4618527 (1986-10-01), Doyen
patent: 4859521 (1989-08-01), Pike et al.
patent: 5232966 (1993-08-01), Chen et al.
patent: 5252384 (1993-10-01), Bothe et al.
patent: 5340917 (1994-08-01), Eckman et al.
patent: 5366796 (1994-11-01), Murschall et al.
patent: 5443915 (1995-08-01), Wilkie et al.
patent: 5527608 (1996-06-01), Kemp-Patchett et al.

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