Functional norbornenes as initiators for radical...

Details Functional norbornenes as initiators for radical... Functional norbornenes as initiators for radical...

2007-04-17

2007-04-17

Teskin, Fred (Department: 1713)

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

Synthetic resins

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

C525S245000, C525S269000, C525S279000, C525S289000, C525S301000, C525S303000, C525S308000

Reexamination Certificate

active

10777054

ABSTRACT:
The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis polymerization or radical polymerization to obtain various polynorbornene derivatives or grafted copolymer materials. The polynorbornene derivatives and grafted copolymer materials not only exhibit excellent functional properties but also enhanced physical and chemical properties after modification. The polynorbornene derivatives and grafted copolymer materials disclosed in the present invention exhibit excellent heat resistance, transparency and water resistance. The present invention also deals with a process for producing such derivatives and materials having controllable molecular weight with narrow molecular weight distribution.

REFERENCES:
Der-Jang Liaw and Ching-Cheng Huang, “Preparation of New Diblock Polymeric Materials With Carbazole Groups . . . ”, Polymer Preprints, 2003, 44(1), 945-946.{{.
Roh, et al., “Block and Random Living, Ring-Opening Metathesis Copolymerization of Functionally Differentiated Carbazole-Containing Norbornene Monomers”, Adv. Synth. Catal. 2002, 344, No. 2, 192-199.

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