Production of polyester shaped product

Details Production of polyester shaped product Production of polyester shaped product

1986-01-30

1988-01-05

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

15624417, 1562726, 156285, 264 85, 427 40, B32B 3128

Patent

active

047175168

ABSTRACT:
A process for enhancing the adhesion of the surface of a shaped product made of a polyester composition which comprises applying corona discharge to the surface under the continuous movement between an electrode for discharge and another electrode opposite thereto while jetting a gaseous material containing oxygen in an amount of not more than 20% by volume onto the part of said surface to which corona discharge is applied so as to achieve the following relationships among oxygen indexes and nitrogen indexes before and after the application of corona discharge:

REFERENCES:
patent: 3407130 (1968-10-01), Hailstone
patent: 3407131 (1968-10-01), Hailstone
patent: 3754117 (1973-08-01), Walter
patent: 3790801 (1974-02-01), Coleman
patent: 3807052 (1974-04-01), Trove
patent: 4118873 (1978-10-01), Rothchild
patent: 4135098 (1979-01-01), Trove
patent: 4395434 (1983-07-01), Imada et al.
patent: 4396641 (1983-08-01), Imada et al.

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