US 6,982,308 B2 | ||
PTFE-based formulation for the insulation of integrated circuits | ||
Valery Kapeliouchko, Alessandria (Italy); Enrico Marchese, Asti (Italy); and Tatiana Temtchenko, Alessandria (Italy) | ||
Assigned to Solvay Solexis S.p.A., Milan (Italy) | ||
Filed on Oct. 22, 2004, as Appl. No. 10/970,009. | ||
Application 10/970009 is a division of application No. 09/931756, filed on Aug. 20, 2001, granted, now 6,825,304. | ||
Claims priority of application No. MI2000A1935 (IT), filed on Sep. 01, 2000. | ||
Prior Publication US 2005/0261454 A1, Nov. 24, 2005 | ||
Int. Cl. C08F 214/26 (2006.01) |
U.S. Cl. 526—247 | 20 Claims |
1. A formulation based on the PTFE, homopolymer or modified, comprising:
1) latex of said PTFE having a particle diameter between 5 and 100 nm, comprising an anionic fluorinated surfactant in an
amount in the range of 2% to 25% by weight based on the PTFE;
2) a non ionic fluorinated surfactant, added to the PTFE latex in an amount in the range of 18% to 60% by weight based on
the PTFE.
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