Langmuir 2010-04-20

Time-temperature integrator based on the dewetting of polyisobutylene thin films.

Annalisa Calò, Pablo Stoliar, Francesco Cino Matacotta, Massimiliano Cavallini, Fabio Biscarini

Index: Langmuir 26(8) , 5312-5, (2010)

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Abstract

This work reports the application of a patterned thin film of polyisobutylene (PIB) irradiated with an electron beam as a time-temperature integrator, i.e., a device that is able to record the thermal history of a product. The device is fabricated by irradiation with an electron beam of regions of a PIB thin film to different doses of electrons. A different dewetting behavior occurs at these regions upon thermal exposure, depending on the dose. The experimental results are quantified by means of a model of dewetting based on nucleation and growth of holes in a strong slippage regime.

Related Compounds

  • polyisobutylene

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