Laser induced non-linear thermochemical processes in polymers
作者： L. I. Kalontarov , R. Marupov
DOI: 10.1007/BF01130114
关键词:
摘要: Laser induced thermochemical processes in the thin films of polyvinyl alcohol (PVA) and polyacrylnitrile (PAN) had been studied. It was found that laser thermodehydration PVA three stages: activation stage, stage instability stationary one. Such process dynamics can be explained by alteration positive negative feedback between thermal chemical degrees freedom. There shown, theoretically experimentally, possibility spontaneous formation spatially-inhomogeneous structures during dehydration due to inhomogeneity heating. also non-linear reactions influence stability PAN leading an unexpected dependence last one on polymeric film thickness.
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