Process for producing a multi-layer film

Details Process for producing a multi-layer film Process for producing a multi-layer film

1995-12-04

1996-10-01

Dudash, Diana

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

156105, 156106, 4272082, 427164, 4274072, 4274121, B05D 506, B05D 138, B32B 3112, B32B 3120

Patent

active

055609597

ABSTRACT:
A process for producing a multi-layer film having a plurality of synthetic resin layers laminated on a releasable flat substrate by casting, which comprises firstly forming on the substrate a synthetic resin layer having adhesive or sticking properties, and then casting and curing on the synthetic resin layer having adhesive or sticking properties at least one kind of reaction-curable resin raw material mixture substantially free from a solvent to form at least one cured synthetic resin layer, so that the uppermost layer is composed of a cured synthetic resin superior in surface properties to its adjacent layer. Further, surface defects transferred from the substrate to the adhesive layer are substantially eliminated by a subsequent lamination step.

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