Composite polyester films

Details Composite polyester films Composite polyester films

1987-12-23

1991-12-17

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

15624424, 26421118, 2642112, 428220, 428480, B32B 702, B32B 2736, B29C 4788

Patent

active

050734350

ABSTRACT:
Composite polyester films, well adapted as either thick or thin film bases, e.g., for the graphic arts or for packaging, are comprised of a crystalline or semicrystalline polyester film substrate (A), said film substrate (A) having a coating, e.g., a coextrudate, of an oxysulfonylated copolyester adhesion primer on at least one of the face surfaces thereof, and said oxysulfonylated copolyester comprising admixture of (a) a crystalline or semicrystalline polyester, and (b) an oxysulfonylated copolyester wherein the number of oxysulfonylated recurring units, relative to 100 recurring units of like monomer, range from 3 to 20, and the respective amounts of the components (a) and (b) are such that the number of oxysulfonylated recurring units in the mixture relative to the total number of recurring units of like monomer, ranges from 2 to 15%.

REFERENCES:
patent: 4476189 (1984-10-01), Posey et al.
patent: 4525419 (1985-06-01), Posey et al.
patent: 4585687 (1986-04-01), Posey et al.
patent: 4725483 (1988-02-01), Ishii et al.

Affiliated with

Also associated with

Rating

Composite polyester films does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Composite polyester films, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composite polyester films will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-834813