{"id":28649,"date":"2019-02-20T19:49:00","date_gmt":"2019-02-20T12:49:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28649"},"modified":"2021-10-03T19:50:15","modified_gmt":"2021-10-03T12:50:15","slug":"lop-va-giay-in-3-d-tu-sua-chua","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/lop-va-giay-in-3-d-tu-sua-chua\/","title":{"rendered":"L\u1ed1p v\u00e0 gi\u00e0y in 3-D t\u1ef1 s\u1eeda ch\u1eefa"},"content":{"rendered":"\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Tr\u01b0\u1eddng K\u1ef9 thu\u1eadt Viterbi thu\u1ed9c \u0110\u1ea1i h\u1ecdc South California \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u cao su in 3D.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_2\/19\/4.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1ea1o ra m\u1ed9t v\u1eadt li\u1ec7u m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 t\u1ef1 s\u1eeda ch\u1eefa n\u1ebfu n\u00f3 b\u1ecb g\u00e3y ho\u1eb7c th\u1ee7ng. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t gi\u00e0y, l\u1ed1p xe, robot m\u1ec1m v\u00e0 th\u1eadm ch\u00ed c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, l\u00e0m gi\u1ea3m th\u1eddi gian s\u1ea3n xu\u1ea5t trong khi t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<p>V\u1eadt li\u1ec7u cao su n\u00e0y \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p in 3D s\u1eed d\u1ee5ng quang tr\u00f9ng h\u1ee3p. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 h\u00f3a r\u1eafn nh\u1ef1a l\u1ecfng theo h\u00ecnh d\u1ea1ng nh\u01b0 mong mu\u1ed1n. Quang tr\u00f9ng h\u1ee3p c\u00f3 \u0111\u01b0\u1ee3c th\u00f4ng qua ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t nh\u00f3m h\u00f3a ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh g\u1ecdi l\u00e0 thiol. Khi b\u1ed5 sung ch\u1ea5t oxy h\u00f3a v\u00e0o \u0111\u1ec3 c\u00e2n b\u1eb1ng, thiol bi\u1ebfn \u0111\u1ed5i th\u00e0nh m\u1ed9t nh\u00f3m kh\u00e1c g\u1ecdi l\u00e0 disunfit. Nh\u00f3m disunfit c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i khi b\u1ecb ph\u00e1 v\u1ee1, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u1ef1 s\u1eeda ch\u1eefa. Vi\u1ec7c t\u00ecm hi\u1ec3u t\u1ef7 l\u1ec7 ph\u00f9 h\u1ee3p gi\u1eefa hai nh\u00f3m n\u00e0y l\u00e0 \u0111i\u1ec3m m\u1ea5u ch\u1ed1t \u0111\u1ec3 khai th\u00e1c c\u00e1c thu\u1ed9c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>&#8220;<em>Khi ch\u00fang ta t\u0103ng d\u1ea7n ch\u1ea5t oxy h\u00f3a, h\u00e0nh vi t\u1ef1 s\u1eeda ch\u1eefa di\u1ec5n ra m\u1ea1nh m\u1ebd h\u01a1n, nh\u01b0ng h\u00e0nh vi quang tr\u00f9ng h\u1ee3p l\u1ea1i y\u1ebfu h\u01a1n<\/em>&#8220;, PGS. Qiming Wang, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u gi\u1ea3i th\u00edch. &#8220;<em>C\u00f3 s\u1ef1 c\u1ea1nh tranh gi\u1eefa hai h\u00e0nh vi n\u00e0y. V\u00e0 cu\u1ed1i c\u00f9ng ch\u00fang t\u00f4i \u0111\u00e3 ph\u00e1t hi\u1ec7n ra t\u1ef7 l\u1ec7 cho ph\u00e9p kh\u1ea3 n\u0103ng v\u1eeba t\u1ef1 s\u1eeda ch\u1eefa l\u1eabn quang tr\u00f9ng h\u1ee3p t\u01b0\u01a1ng \u0111\u1ed1i nhanh<\/em>&#8220;.<\/p>\n\n\n\n<p>Ch\u1ec9 trong 5 gi\u00e2y, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 in m\u1ed9t h\u00ecnh vu\u00f4ng 17,5 mm kho\u1ea3ng 20 ph\u00fat v\u1edbi kh\u1ea3 n\u0103ng t\u1ef1 s\u1eeda ch\u1eefa ch\u1ec9 trong v\u00e0i gi\u1edd. Trong nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed NPG Asia Materials, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ee9ng minh kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u trong r\u1ea5t nhi\u1ec1u s\u1ea3n ph\u1ea9m, bao g\u1ed3m mi\u1ebfng l\u00f3t gi\u00e0y, robot m\u1ec1m, v\u1eadt li\u1ec7u composit \u0111a pha v\u00e0 c\u1ea3m bi\u1ebfn \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<p>Sau khi b\u1ecb c\u1eaft l\u00e0m \u0111\u00f4i, ch\u1ec9 trong hai gi\u1edd trong \u0111i\u1ec1u ki\u1ec7n 60<sup>o<\/sup>C (c\u1eaft l\u00e0m b\u1ed1n \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed do cacbon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n \u0111i\u1ec7n), ch\u00fang \u0111\u00e3 t\u1ef1 s\u1eeda ch\u1eefa ho\u00e0n to\u00e0n, gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ee9c n\u0103ng. Th\u1eddi gian s\u1eeda ch\u1eefa c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m ch\u1ec9 b\u1eb1ng c\u00e1ch t\u0103ng nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec7n \u0111ang nghi\u00ean c\u1ee9u nhi\u1ec1u v\u1eadt li\u1ec7u t\u1ef1 s\u1eeda ch\u1eefa kh\u00e1c nhau \u0111\u1ec3 s\u1ea3n xu\u1ea5t linh ki\u1ec7n xe, v\u1eadt li\u1ec7u composit v\u00e0 th\u1eadm ch\u00ed c\u1ea3 \u00e1o gi\u00e1p.<\/p>\n\n\n\n<p><em>N.T.T (NASATI)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Tr\u01b0\u1eddng K\u1ef9 thu\u1eadt Viterbi thu\u1ed9c \u0110\u1ea1i h\u1ecdc South California \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u cao su in 3D. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1ea1o ra m\u1ed9t v\u1eadt li\u1ec7u m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 t\u1ef1 s\u1eeda ch\u1eefa n\u1ebfu n\u00f3 b\u1ecb g\u00e3y ho\u1eb7c th\u1ee7ng. V\u1eadt li\u1ec7u [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28649","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28649","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=28649"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28649\/revisions"}],"predecessor-version":[{"id":28650,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28649\/revisions\/28650"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}