26 September 2012 00:00 [Source: ICIS news]
ATLANTA, Georgia (ICIS)--Polyurethane (PU) can be used in a process to make shoes comfortable and less expensive to make, according to an industry conference presentation on Tuesday.
PU can be used as a substitute in parts of the upper shoe, resulting in cheaper and easier production, according to the presentation by Germany based DESMA, which specialises in shoe-production building machinery and technology. The presentation was made at the Polyurethanes 2012 Technical Conference in Atlanta.
The PU can be used as a stabiliser, as a comfort part or as an integrator between two or more upper parts. The PU can also be used as a protection of the sensitive upper leather, as well as an element for partial design elements in a different colour.
Shoes can be made through conventional production techniques of gluing all the parts in by hand, or through the use of direct injection technology, DESMA said.
In conventional shoe production, the ready-produced sole is glued manually to the leather. However, in the direct soling process, shoe production can be fully automated with high accuracy and short cycle times, DESMA said.
The conference runs through Wednesday.
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