{"id":6104,"date":"2017-09-06T19:34:10","date_gmt":"2017-09-06T12:34:10","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=6104"},"modified":"2017-10-03T09:24:37","modified_gmt":"2017-10-03T02:24:37","slug":"cao-su-mem-moi-co-the-duoc-su-dung-de-che-tao-ro-bot-tu-phuc-hoi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cao-su-mem-moi-co-the-duoc-su-dung-de-che-tao-ro-bot-tu-phuc-hoi\/","title":{"rendered":"Cao su m\u1ec1m m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o r\u00f4 b\u1ed1t t\u1ef1 ph\u1ee5c h\u1ed3i"},"content":{"rendered":"

M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Brussel (Vrije Universiteit Brussel), Brussel, B\u1ec9 \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng lo\u1ea1i cao su c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 li\u1ec1n sau khi b\u1ecb c\u1eaft r\u1eddi. Trong b\u00e0i b\u00e1o \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i tr\u00ean T\u1ea1p ch\u00ed Science Robotics, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 m\u00f4 t\u1ea3 v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u00e1ch th\u1ee9c t\u1ef1 li\u1ec1n c\u1ee7a cao su.<\/strong><\/p>\n

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M\u1ed9t trong nh\u1eefng m\u1ee5c ti\u00eau l\u1edbn m\u00e0 c\u00e1c k\u1ef9 s\u01b0 robot \u0111\u1eb7t ra l\u00e0 ch\u1ebf t\u1ea1o r\u00f4 b\u1ed1t c\u00f3 l\u1edbp da c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 li\u1ec1n sau khi b\u1ecb t\u1ed5n th\u01b0\u01a1ng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u01a1 ch\u1ebf t\u1ef1 l\u00e0nh c\u1ee7a da ng\u01b0\u1eddi. M\u1ed9t m\u1ee5c ti\u00eau n\u1eefa l\u00e0 k\u1ebft h\u1ee3p c\u00e1c ph\u1ea7n m\u1ec1m c\u1ee7a r\u00f4 b\u1ed1t v\u00e0o trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111\u1ed9 nh\u1ea1y c\u1ea3m nh\u01b0 n\u00e2ng b\u1ec7nh nh\u00e2n t\u1ea1i b\u1ec7nh vi\u1ec7n. Tuy nhi\u00ean, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u m\u1ec1m l\u00e0 d\u1ec5 b\u1ecb h\u1ecfng. Tay r\u00f4 b\u1ed1t v\u00e0 m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn kh\u00e1c c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m m\u1ec1m v\u00e0 c\u00f3 th\u1ec3 t\u1ef1 l\u00e0nh l\u00e0 m\u1ee5c ti\u00eau l\u00fd t\u01b0\u1edfng nh\u1ea5t m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc mong mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c trong nghi\u00ean c\u1ee9u m\u1edbi.<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u tin r\u1eb1ng gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p l\u00e0 s\u1eed d\u1ee5ng lo\u1ea1i cao su m\u1ec1m \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 nh\u1ea1y cho cao su, nh\u01b0ng ch\u01b0a \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 duy tr\u00ec h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb b\u00ean trong (nh\u01b0 x\u01b0\u01a1ng ng\u01b0\u1eddi). Lo\u1ea1i cao su m\u1edbi c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa m\u00e0 kh\u00f4ng d\u00f9ng \u0111\u1ebfn keo, v\u00edt\u2026, v\u00ec v\u1ebft s\u1eb9o s\u1ebd kh\u00f4ng ch\u1eafc nh\u01b0 v\u1eadt li\u1ec7u ban \u0111\u1ea7u. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1ea1o ra lo\u1ea1i cao su n\u00e0y v\u00e0 sau \u0111\u00f3 s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o ng\u00f3n tay cho r\u00f4 b\u1ed1t. B\u00e0n tay cao su sau khi b\u1ecb c\u1eaft, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong l\u00f2 nung \u1edf m\u1ee9c nhi\u1ec7t 80\u00b0C trong v\u00f2ng 40 ph\u00fat \u0111\u1ec3 k\u00edch th\u00edch kh\u1ea3 n\u0103ng t\u1ef1 li\u1ec1n – nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m cho v\u1ebft c\u1eaft kh\u00e9p l\u1ea1i. N\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u00ec cao su l\u00e0 polymer \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t m\u1ea1ng l\u01b0\u1edbi li\u00ean k\u1ebft ch\u00e9o – ph\u1ea3n \u1ee9ng Diels-Alder x\u1ea3y ra, t\u1ea1o ra c\u00e1c li\u00ean k\u1ebft tr\u00ean m\u1ed9t khu v\u1ef1c b\u1ecb h\u01b0 h\u1ea1i. Cao su sau khi nung, c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t trong m\u1ed9t th\u1eddi gian ng\u1eafn \u0111\u1ec3 c\u00e1c li\u00ean k\u1ebft ch\u1eafc h\u01a1n.<\/p>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng \u0111\u00e3 t\u1ea1o ra chi\u1ebfc k\u1eb9p, \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 l\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u01a1 nh\u00e2n t\u1ea1o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng cao su v\u00e0 cho tr\u1ea3i qua t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft k\u1ebf c\u1eaft \u0111\u1ec3 ki\u1ec3m tra c\u00e1ch ch\u00fang t\u1ef1 li\u1ec1n. C\u00e1c thi\u1ebft b\u1ecb \u0111\u00e3 ph\u1ee5c h\u1ed3i \u0111\u1ebfn 98 – 99% ch\u1ee9c n\u0103ng sau khi \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i th\u01b0\u1eddng xuy\u00ean n\u1ebfu c\u1ea7n m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng cao su.<\/p>\n

K\u1eb9p m\u1ec1m t\u1ef1 ph\u1ee5c h\u1ed3i c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u v\u1eadt li\u1ec7u m\u1ec1m (v\u1ecbt cao su, cam qu\u00fdt v\u00e0 c\u00e0 chua anh \u0111\u00e0o) m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 ki\u1ec3m so\u00e1t c\u1ee7a con ng\u01b0\u1eddi v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng trong m\u00f4i tr\u01b0\u1eddng ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u01a1i nh\u1eefng v\u1eadt s\u1eafc nh\u1ecdn nh\u01b0 \u0111inh c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng r\u00f4 b\u1ed1t.<\/p>\n

Ngu\u1ed3n T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Brussel (Vrije Universiteit Brussel), Brussel, B\u1ec9 \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng lo\u1ea1i cao su c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 li\u1ec1n sau khi b\u1ecb c\u1eaft r\u1eddi. Trong b\u00e0i b\u00e1o \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i tr\u00ean T\u1ea1p ch\u00ed Science Robotics, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 m\u00f4 t\u1ea3 v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m […]<\/p>\n","protected":false},"author":17,"featured_media":6335,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-6104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=6104"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6104\/revisions"}],"predecessor-version":[{"id":6337,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6104\/revisions\/6337"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6335"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=6104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=6104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=6104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}