Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-06-07
1998-06-02
Lee, Helen
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525199, C08L 2712
Patent
active
057601399
ABSTRACT:
A graded-refractive-index optical plastic material composed of an amorphous fluoropolymer (a) which substantially has no C-H bond and at least one material (b) which differs from the fluoropolymer (a) in refractive index by at least 0.001, wherein the material (b) is distributed in the fluoropolymer (a) so as to have a concentration gradient in a specific direction.
REFERENCES:
Noe et al. Adv. Polyimide Sci. Technol., Proc. Int. Conf. Polyimides, 4th (1993).
Koike Yasuhiro
Murofushi Hidenobu
Naritomi Masaki
Sugiyama Norihide
Koike Yasuhiro
Lee Helen
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