Reshapeable plastic remembers original form
Ann R. Thryft
January 30, 2014
1 Min Read
Plastic QR
Reshape
A new shape-memory plastic that makes quick response (QR) code labels look like Salvador Dali's famous floppy watch could prove useful in product and brand protection. The German Federal Institute for Materials Research and Testing (BAM) has made labels with engraved and colored QR codes out of the new Desmopan DP 2795A SMP, produced by Bayer MaterialScience.
Co-developed by both organizations, the new material is made of a thermoplastic polyurethane (TPU). As is true for all shape-memory plastics, a part made from this one can be temporarily reshaped and fixed in that form, until heated to the material's predetermined switching temperature. When that happens, the part reverts to its original shape nearly unchanged.
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