Molding material

Details Molding material Molding material

1990-06-20

1992-09-01

Michl, Paul R.

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

Synthetic resins

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

526281, 526283, C08F 3206

Patent

active

051439794

ABSTRACT:
A molding material suitable as an optical material and an optical recording medium formed of the molding material are disclosed. The molding material comprises a hydrogenated product of a polymer formed by ring-opening polymerization of a norbornene-type monomer, the hydrogenated product having a number average molecular weight (Mn) of 20,000 to 50,000, a weight average molecular weight (Mw) of 40,000 to 80,000 and a molecular distribution (Mw/Mn) of not more than 2.5 and having a volatile content of not more than 0.3% by weight.

REFERENCES:
Japanese Abstract No. A-60-26024.
Japanese Abstract No. A-1-24826.
Japanese Abstract No. A-63-317520.
European Abstract No. 303,246.
European Abstract No. 317,262.
WPIL, File Supplier, AN=89-072686, Derwent Publications Ltd.
WPIL, File Supplier, AN=88-297373, Derwent Publications Ltd.
WO-A-8 901 953.

Affiliated with

Also associated with

Rating

Molding material does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-768419