Thermoplastic saturated norbornene group polymer composition

Details Thermoplastic saturated norbornene group polymer composition Thermoplastic saturated norbornene group polymer composition

1992-02-03

1994-01-04

Ryan, Patrick J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525186, 525187, 5253333, 525384, 526282, C08L 7102

Patent

active

052760987

ABSTRACT:
A composition including a thermoplastic saturated norbornene group polymer and a partially etherified product of a polyhydric alcohol having at least 3 hydroxyl groups incorporated thereinto. The composition exhibits excellent adhesion to the recording film of an optical disk and adhesion to a hard coating film or a protective film formed by coating an acrylic ultraviolet curing coating material or like films without deteriorating the excellent heat resistance and transparency inherent to thermoplastic saturated norbornene group polymers. An optical disk substrate formed of this composition and an optical disk including the optical disk substrate and an information recording film and/or a light reflecting film and a protective film laminated thereon are also disclaimed.

REFERENCES:
patent: 5063096 (1991-11-01), Kohara et al.

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