Molded Body, Method For Producing the Body and Use Thereof

Abstract

A molded body comprises a film with a film thickness D ranging from 1 μm to 1000 μm, with at least one hollow structure configured into the film. Each hollow structure has an outside diameter d equal to at least double value of film thickness D, a height h is equal to or less than double the value of the outside diameter d, a wall thickness b greater than 0.02 times the film thickness D and less than or equal to the film thickness D and a local curvature radius r greater than 0.2 times and less than or equal to 5 times the wall thickness b. The film and the hollow structure include a plurality of pores.

1 . A molded body, comprising
 a film with a film thickness D ranging from 1 μm to 100 μm,   at least one hollow structure configured in the film and having:
 an outside diameter d equal to at least double a value of the film thickness D 
 a height h equal to or less than double the value of the outside diameter d, 
 a wall thickness b greater than 0.02 times the film thickness D and less than or equal to the film thickness D and 
 a local curvature radius r greater than 0.2 times and less than or equal to 5 times the wall thickness b, and wherein 
   the film and the at least one hollow structure comprise a plurality of pores.   
     
     
         2 . The molded body according to  claim 1 , wherein the at least one hollow structure is provided with an undercut. 
     
     
         3 . The molded body according to  claim 1 , wherein the pores have a diameter δ from about 10 nm to about 10 μm. 
     
     
         4 . The molded body according to  claim 1 , wherein the pores are statistically distributed across the film and the hollow structure. 
     
     
         5 . The molded body according to  claim 1 , wherein the film a thermoplastic plastic. 
     
     
         6 . The molded body according to  claim 5 , wherein the thermoplastic plastic includes at least one of polymethylmethacrylate (PMMA), polycarbonate (PC), polyethylene-terephthalate (PET), polystyrene (PS), polyimide (PI), polypropylene (PP), polyvinylidenefluoride (PVDF), or cycloolefin copolymer (COC). 
     
     
         7 . The molded body according to  claim 1 , wherein the at least one hollow structure includes a plurality of hollow structures wherein adjacent hollow structures are spaced by a distance g that corresponds at least to the outside diameter d of the hollow structure. 
     
     
         8 . The molded body according to  claim 7 , wherein the hollow structures are arranged in a row. 
     
     
         9 . The molded body according to  claim 7 , wherein the hollow structures are distributed across the film. 
     
     
         10 . The molded body according to  claim 9 , wherein the hollow structures are at least one of arranged in rows and columns or staggered. 
     
     
         11 . The molded body according to  claim 7 , wherein the molded body is singly or spirally rolled up and the hollow structures are directed toward the inside or the outside. 
     
     
         12 . A molded body according to  claim 7 , which is folded or has a corrugated shape. 
     
     
         13 . An arrangement of molded bodies each according to  claim 7  wherein the molded bodies are arranged at least one of side-by-side, one above another, or nestled into each other. 
     
     
         14 . A method for producing a molded body, said method comprising:
 providing a film comprising a thermoplastic plastic;   irradiating of the film with ionizing radiation, to produce irradiated regions in the film;   thermally reshaping the film into a molded body, wherein a temperature of the thermal reshaping remains below the melting temperature for the thermoplastic plastic;   removing the irradiated regions, to create pores in the molded body, and   removing the molded body from a mold.   
     
     
         15 . The method according to  claim 14 , wherein the film is irradiated through a mask. 
     
     
         16 . The method according to  claim 15 , wherein the film is irradiated with heavy ions. 
     
     
         17 . The method according to  claim 16 , wherein the heavy ions have a prespecified energy above 0.1 MeV/nucleon. 
     
     
         18 . The method according to  claim 14 , wherein the irradiated regions are removed via a wet-chemical etching process. 
     
     
         19 . At least one of a filter or an atomizer including the molded body of  claim 1 . 
     
     
         20 . A housing for micro-structured components including the molded body of  claim 1 . 
     
     
         21 . A method for immobilizing inorganic or organic molecules, bio-molecules, prokaryotic or eukaryotic cells comprising utilizing the molded body of  claim 1 . 
     
     
         22 . A method for cultivating prokaryotic or eukaryotic cells comprising utilizing the molded body of  claim 1 . 
     
     
         23 . At least one of a biosensor or a bio-reactor including the molded body of  claim 1 .