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Создана одежда, способная спасти от отравления смертельными газами

Для работников, которые имеют дело с опасными для здоровья газами, уже давно созданы электронные устройства для обнаружения токсичных веществ. Однако, у них есть несколько минусов: во-первых, они стоят довольно дорого, а во-вторых, перед их использованием необходимо пройти обучение. Исследователи из Университета Тафтса предложили дешевую и простую альтернативу — специальную одежду, которая реагирует на наличие опасных газов изменением своего цвета.

Создана одежда, способная спасти от отравления смертельными газами

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Столь необычное и полезное свойство созданной одежды связано с использованием нитей, пропитанных специальными красителями. В частности, речь идет о мезо-тетрафенилпорфирине (MnTPP) и бромтимоловом синем, которые реагируют на аммиак, и метиловом красном — он активно взаимодействует с хлористым водородом. Как правило, эти токсичные газы выделяются чистящими средствами и удобрениями.

Процесс покраски нитей делится на несколько этапов. Первым делом их окунают в сами красители, а затем обрабатывают уксусной кислотой, чтобы поверхность обрела грубость, а нити лучше впитали краску. На последнем этапе окрашенную нить обрабатывают полидиметилсилоксаном (PDMS), который дает ей водоотталкивающие свойства, защищает краску от вымывания, при этом не блокируя газопроницаемость.

В ходе тестирования исследователи обнаружили, что сотканная из новых нитей одежда меняет свой цвет пропорционально концентрации ядовитого газа. Примечательно, что она эффективна даже под водой — волокна смогли обнаружить растворенный аммиак. Изменение цвета видно невооруженным глазом, но для точности можно использовать спектрометр, или специальное приложение для смартфона.

В теории, такой одежде найдется применение во многих сферах деятельности. Например, в нее смогут облачатся работники сферы добычи нефти и газа, сферы здравоохранения и спасатели.

Что вы думаете по поводу нового изобретения ученых? Свое мнение смело пишите в комментариях, или же в нашем Telegram-чате, где всегда можно пообщаться на разные темы.

Источник: news-ria.ru

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