Process for hardcoating polycarbonate sheet

Details Process for hardcoating polycarbonate sheet Process for hardcoating polycarbonate sheet

1988-12-01

1990-08-07

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624417, 1562722, 1562733, 1562735, 427 541, 427164, B32B 3128

Patent

active

049465317

ABSTRACT:
A process for preparing a hardcoated polycarbonate sheet involves (i) ultraviolet radiation curing an acrylic coating onto one surface of a flexible polycarbonate film via a drum casting technique to yield a flexible, abrasion and chemical resistant hardcoated film; and (ii) laminating the hardcoated film onto a thick rigid polycarbonate substrate by an on-line ultraviolet radiation lamination method. The process is fast, requires minimal labor and provides high optical quality hardcoats for polycarbonate sheet.

REFERENCES:
patent: 4478876 (1984-10-01), Chung
patent: 4533446 (1985-08-01), Conway et al.
patent: 4552604 (1985-11-01), Green
patent: 4557975 (1985-12-01), Moore
patent: 4617194 (1986-10-01), Scott et al.
patent: 4668588 (1987-05-01), Kishima
patent: 4814207 (1989-03-01), Siol

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