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New optical fiber coatings based on polycaproamide modified by carbon nanotubes have been tested. Nanocomposites were fabricated by in situ anionic polymerization of ϵ‐caprolactam in the presence of 0.005–0.01 wt.% single‐walled carbon nanotubes functionalized with polyimide. It was found that obtained nanocomposites are able to form high‐grade, heat and water resistant optical fiber coatings with...
A series of organosoluble aromatic cardo copolyamides (PA) with chlorine and carboxylic side groups has been synthesised by low‐temperature polycondensation in N‐methyl‐2‐pyrrolidone (N‐MP) solution and their properties have been estimated. The obtained polymers are differed in high molar masses (ηinh = 0.7 ÷ 1.8 dL/g) and demonstrate the following thermal characteristics: 300 °C < Tg < 390...
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