Title:
The optical film cast from styrene system fluorine polymer solution
Document Type and Number:
Japanese Patent JP6162794
Kind Code:
B2
Abstract:
A method for casting a styrenic fluoropolymer film on a substrate includes preparing a polymer solution by dissolving the fluoropolymer in a solvent or solvent blend whose Hansen solubility parameters (HSPs, MPa1/2) satisfy the following relations: |SPb -SPp|< 5, |SPb-SPs|<4, |SPb(H)-SPp(H)|<7, and 2<|SPb(H)- SPs(H)| <10 wherein SPb, SPp, SPs are the total Hansen solubility parameters of solvent/ solvent blend, fluoropolymer, and substrate, respectively; SPb(H), SPp(H), and, SPs(H) are the hydrogen-bond Hansen solubility parameters of solvent/ solvent blend, fluoropolymer, and substrate, respectively; wherein the fluoropolymer comprises a moiety of: [Formula I] wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is each independently a substituent on the styrenic ring, n is an integer from 0 to 5 representing the number of the substituents on the styrenic ring.
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Inventors:
One,bin
Quo, Summing
McWilliams, Douglas Stevens
Harris, Frank W.
Jam Roth, Ted Calvin
Gin, jao kai
Chan, Don
Chen, Xiaolian
Quo, Summing
McWilliams, Douglas Stevens
Harris, Frank W.
Jam Roth, Ted Calvin
Gin, jao kai
Chan, Don
Chen, Xiaolian
Application Number:
JP2015510334A
Publication Date:
July 12, 2017
Filing Date:
April 25, 2013
Export Citation:
Assignee:
Akron Polymer Systems, Inc.
International Classes:
C08J5/18; C08J7/00; C08J7/043; C08K5/544; C08L23/00; C08L25/04; C08L93/04; G02B5/30
Domestic Patent References:
| JP2013539076A | ||||
| JP62204255A |
Foreign References:
| WO2012040366A1 | ||||
| US20110076487 | ||||
| WO2011129406A1 | ||||
| WO2011129407A1 |
Attorney, Agent or Firm:
Ryoichi Takaoka
Nao Oda
Kaoru Takahashi
Nao Oda
Kaoru Takahashi