Claims
- 1. An aqueous dispersion of polymerized colloidal particles in which the particles have a core portion surrounded by a shell portion, in which:
- (a) the shell consists essentially of recurring units selected from the class consisting of:
- (i) tetrafluoroethylene; and
- (ii) tetrafluoroethylene and hexafluoropropylene; and
- (b) the core consists essentially of recurring units selected from the class consisting of:
- (i) a fluorinated alkyl acrylate, and
- (ii) a fluorinated alkyl methacrylate; and wherein the particles have an average particle size between 1 and 100 nanometers.
Parent Case Info
This application is a continuation of application Ser. No. 08/445,317 filed May 19, 1995, now abandoned, which is a division of application Ser. No. 08/258,017, filed Jun. 10, 1994 now U.S. Pat. No. 5,523,346.
US Referenced Citations (8)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0182516 |
May 1986 |
EPX |
0194534 |
Sep 1986 |
EPX |
0518073 |
Dec 1992 |
EPX |
WO9422928 |
Sep 1993 |
WOX |
Divisions (1)
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Number |
Date |
Country |
Parent |
258017 |
Jun 1994 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
445317 |
May 1995 |
|