PROCESS FOR PRODUCING POROUS FILMS AND FILM MATERIAL PRODUCED THEREFROM
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United States of America Patent
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Issued Date -
Nov 26, 2009
app pub date -
Dec 11, 2007
filing date -
Dec 15, 2006
priority date (Note) -
Abandoned
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Abstract
A process for producing porous films (2), with the film (2) having a polymer matrix (M) and discrete domains (D) being provided in the matrix (M). According to the invention, it is proposed that the film (2) be subjected to a field for selective excitation of the domains (D), that the domains (D) be heated selectively relative to the remainer of the matrix by the excitation and that the pores (12) be produced in the domains (D) or in the region of the domains (D).
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....
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