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US 11,628,600 B2Granted
Fabrication method of transparent 3D polydimethylsiloxane devices with polycaprolactone molds
AssigneeSaudi Arabian Oil Company
InventorsYara Alzahid, Abdulkareem AlSofi
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Abstract
A method of forming a model of a porous structure includes three dimensionally printing a mold of the porous structure using a polycaprolactone mold material, filling the mold with a polymer mixture, and heating the filled mold at a temperature above a melting temperature of the mold material to cure the polymer mixture, where the cured polymer mixture forms the model of the porous structure.
Claims17
A method, comprising:
- three dimensionally printing a mold of a porous structure using a mold material, wherein the mold material comprises polycaprolactone;
- filling the mold with a polymer mixture;
- and
- heating the filled mold at a temperature above a melting temperature of the mold material to cure the polymer mixture, wherein the cured polymer mixture forms a model of the porous structure.
1 more element
A method, comprising:
- three dimensionally printing a mold of a porous structure using a mold material, wherein the mold material comprises polycaprolactone;
- filling the mold with a polymer mixture of polydimethylsiloxane and a curing agent having a ratio of polydimethylsiloxane to curing agent ranging from 14:1 to 7:1;
- and
- heating the filled mold at a first temperature for at least 4 hours to solidify the polymer mixture, wherein the first temperature is lower than a melting temperature of the mold material;
- heating the filled mold at a second temperature greater than the melting temperature of the mold material to melt the mold;
- and
- removing the melted mold material from the solidified polymer mixture to provide a model of the porous structure.
4 more elements
Dependencies are inferred from the claim text.