{"id":14804,"date":"2024-10-30T03:58:40","date_gmt":"2024-10-30T03:58:40","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=14804"},"modified":"2024-10-30T05:33:32","modified_gmt":"2024-10-30T05:33:32","slug":"cant-figure-out-the-adhesive-formula-add-powder","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/cant-figure-out-the-adhesive-formula-add-powder\/","title":{"rendered":"Kh\u00f4ng t\u00ecm ra c\u00f4ng th\u1ee9c k\u1ebft d\u00ednh? Th\u00eam b\u1ed9t!"},"content":{"rendered":"<p>Vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng th\u1ee9c k\u1ebft d\u00ednh c\u00f3 th\u1ec3 v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n. V\u1ea5n \u0111\u1ec1 ch\u00ednh n\u1eb1m \u1edf nhu c\u1ea7u v\u1ec1 c\u00e1c c\u00f4ng th\u1ee9c c\u00f3 m\u1ee5c ti\u00eau. Nhi\u1ec1u nguy\u00ean li\u1ec7u th\u00f4 ph\u00f9 h\u1ee3p ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh mong mu\u1ed1n, \u0111\u00f2i h\u1ecfi ph\u1ea3i li\u00ean t\u1ee5c th\u1eed nghi\u1ec7m v\u00e0 sai s\u00f3t \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c m\u00e2u thu\u1eabn v\u1ed1n c\u00f3. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn, vi\u1ec7c \u0111\u01b0a ra th\u00eam m\u1ed9t l\u1ef1a ch\u1ecdn c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"449\" height=\"300\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/10\/adhesive-formulas.jpg\" alt=\"\" class=\"wp-image-14805\" style=\"width:709px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/10\/adhesive-formulas.jpg 449w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/10\/adhesive-formulas-300x200.jpg 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/10\/adhesive-formulas-18x12.jpg 18w\" sizes=\"(max-width: 449px) 100vw, 449px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Nh\u1eefng kh\u00f3 kh\u0103n ch\u00ednh trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00f4ng th\u1ee9c keo d\u00e1n<\/strong><\/h2>\n\n\n\n<p>Nh\u1eefng th\u00e1ch th\u1ee9c trong vi\u1ec7c t\u1ea1o ra c\u00f4ng th\u1ee9c keo d\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5 h\u01a1n th\u00f4ng qua c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf. Tang Long v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 kh\u00e1m ph\u00e1 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n c\u00f4ng th\u1ee9c m\u1edbi d\u00e0nh ri\u00eang cho c\u00e1c th\u00e0nh ph\u1ea7n polyol trong keo d\u00e1n polyurethane hai th\u00e0nh ph\u1ea7n. Ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a h\u1ecd nh\u1eb1m m\u1ee5c \u0111\u00edch c\u00e2n b\u1eb1ng s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i hi\u1ec7u su\u1ea5t gi\u1eefa \u0111\u1ed9 c\u1ee9ng th\u1ea5p v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 li\u00ean k\u1ebft cao.<\/p>\n\n\n\n<p><strong>T\u1ed1i \u01b0u h\u00f3a nguy\u00ean li\u1ec7u th\u00f4<\/strong><\/p>\n\n\n\n<p>C\u00e1c t\u00e1c gi\u1ea3 b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf th\u1eed nghi\u1ec7m tr\u1ef1c giao \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c lo\u1ea1i nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00f4ng th\u1ee9c k\u1ebft d\u00ednh.<\/p>\n\n\n\n<p><strong>T\u1ef7 l\u1ec7 tinh ch\u1ec9nh<\/strong><\/p>\n\n\n\n<p>Sau \u0111\u00f3, h\u1ecd s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf th\u1eed nghi\u1ec7m t\u00f9y ch\u1ec9nh c\u1ee7a JMP \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u1ef7 l\u1ec7 nguy\u00ean li\u1ec7u th\u00f4 \u0111\u00e3 ch\u1ecdn. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u1ef1c s\u1ef1 tr\u00e1nh \u0111\u01b0\u1ee3c th\u00e1ch th\u1ee9c chung l\u00e0 gi\u1ea3i quy\u1ebft \u0111\u1ed3ng th\u1eddi c\u1ea3 lo\u1ea1i nguy\u00ean li\u1ec7u v\u00e0 t\u1ef7 l\u1ec7 trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u00f4ng th\u1ee9c th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd ch\u1ee9ng minh r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u1ea3i ti\u1ebfn n\u00e0y \u0111\u00e3 gi\u1ea3i quy\u1ebft th\u00e0nh c\u00f4ng c\u00e1c y\u00eau c\u1ea7u xung \u0111\u1ed9t v\u1ec1 \u0111\u1ed9 c\u1ee9ng th\u1ea5p v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 li\u00ean k\u1ebft cao trong ch\u1ea5t k\u1ebft d\u00ednh. H\u1ecd \u0111\u00e3 t\u1ea1o ra m\u1ed9t ch\u1ea5t k\u1ebft d\u00ednh polyurethane c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 c\u1ee9ng keo<\/strong>: 40 ng\u00e0y<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1eaft<\/strong>: 11,34 MPa (t\u1ea5m nh\u00f4m v\u1edbi t\u1ea5m nh\u00f4m)<\/li>\n\n\n\n<li><strong>S\u1ee9c m\u1ea1nh li\u00ean k\u1ebft<\/strong>: 283,5 kPa\/D tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u1ed9 c\u1ee9ng<\/li>\n<\/ul>\n\n\n\n<p>Th\u00ed nghi\u1ec7m ph\u00e1t tri\u1ec3n \u0111\u00e3 ho\u00e0n t\u1ea5t ch\u01b0a? Ch\u01b0a h\u1eb3n. C\u00e1c t\u00e1c gi\u1ea3 l\u01b0u \u00fd r\u1eb1ng v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 &quot;v\u1ea5n \u0111\u1ec1&quot;, l\u00e0m n\u1ed5i b\u1eadt nh\u1eefng kh\u00f3 kh\u0103n \u0111ang di\u1ec5n ra trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u00f4ng th\u1ee9c k\u1ebft d\u00ednh. Nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y th\u01b0\u1eddng l\u00e0 n\u01a1i c\u00f3 th\u1ec3 n\u1ea3y sinh nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c gi\u1ea3 \u0111\u1ecbnh kh\u00f4ng ch\u00ednh x\u00e1c sau \u0111\u00e2y<\/h3>\n\n\n\n<p><strong>T\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c danh m\u1ee5c ch\u00ednh<\/strong>:Qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng t\u00ednh \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c lo\u1ea1i nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c nhau, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ph\u1ea3n \u1ee9ng th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4<\/strong>:C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 tinh khi\u1ebft, \u0111\u1ed9 \u1ea9m v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 \u0111\u00e3 b\u1ecb b\u1ecf qua trong qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch, c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m sai l\u1ec7ch k\u1ebft qu\u1ea3.<\/p>\n\n\n\n<p><strong>\u0110\u1ed9c l\u1eadp c\u1ee7a Hi\u1ec7u \u1ee9ng Nguy\u00ean li\u1ec7u<\/strong>:Gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng lo\u1ea1i v\u00e0 t\u1ef7 l\u1ec7 nguy\u00ean li\u1ec7u th\u00f4 \u1ea3nh h\u01b0\u1edfng \u0111\u1ed9c l\u1eadp \u0111\u1ebfn ph\u1ea3n \u1ee9ng th\u1eed nghi\u1ec7m l\u00e0 sai l\u1ea7m v\u00ec c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y th\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng l\u1eabn nhau.<\/p>\n\n\n\n<p>V\u1edbi nh\u1eefng b\u1ea5t \u1ed5n n\u00e0y trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ecm c\u00e1ch gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang. M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 l\u00e0 s\u1eed d\u1ee5ng c\u00e1c y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ec3 b\u00f9 \u0111\u1eafp nh\u1eefng b\u1ea5t \u1ed5n n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>T\u1eadn d\u1ee5ng ch\u1ea5t \u0111\u1ed9n trong ch\u1ea5t k\u1ebft d\u00ednh<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) L\u1ef1a ch\u1ecdn ch\u1ea5t \u0111\u1ed9n ch\u00ednh th\u1ed1ng<\/h3>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i\u2014nh\u01b0 canxi cacbonat v\u00e0 silica\u2014c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh. Ch\u1ea5t \u0111\u1ed9n kho\u00e1ng kh\u00f4ng ch\u1ec9 cung c\u1ea5p gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n cung c\u1ea5p nhi\u1ec1u ch\u1ee9c n\u0103ng \u0111a d\u1ea1ng. Ch\u00fang \u0111\u00e3 l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong c\u00f4ng th\u1ee9c ch\u1ea5t k\u1ebft d\u00ednh trong nhi\u1ec1u n\u0103m, cho ph\u00e9p tinh ch\u1ec9nh c\u00e1c \u0111\u1eb7c t\u00ednh. Tang Long v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 nh\u1ea5n m\u1ea1nh r\u1eb1ng trong nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd, ph\u1ea1m vi c\u1ee7a nh\u1ef1a n\u1ec1n v\u00e0 ch\u1ea5t k\u00e9o d\u00e0i chu\u1ed7i\/ch\u1ea5t li\u00ean k\u1ebft ngang c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn nh\u1ea5t \u0111\u1ebfn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m. Ch\u1ea5t ph\u1ee5 gia l\u01b0u bi\u1ebfn c\u00f3 \u1ea3nh h\u01b0\u1edfng th\u1ee9 c\u1ea5p, trong khi ch\u1ea5t \u0111\u1ed9n c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3, n\u1eb1m gi\u1eefa c\u00e1c t\u00e1c \u0111\u1ed9ng ch\u00ednh v\u00e0 th\u1ee9 c\u1ea5p.<\/p>\n\n\n\n<p>Khi l\u1ef1a ch\u1ecdn ch\u1ea5t \u0111\u1ed9n, c\u00f3 s\u1ef1 linh ho\u1ea1t \u0111\u00e1ng k\u1ec3 v\u00e0 ch\u1ea5t \u0111\u1ed9n truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong s\u1ea3n xu\u1ea5t mang l\u1ea1i cho ch\u00fang hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n. V\u00ed d\u1ee5, canxi cacbonat - \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 m\u1ecbn, \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1ed9 tr\u1eafng cao - \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i l\u00e0m ch\u1ea5t \u0111\u1ed9n trong ch\u1ea5t k\u1ebft d\u00ednh.<\/p>\n\n\n\n<p>Cui Lidong v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng canxi cacbonat 850 l\u01b0\u1edbi l\u00e0m ch\u1ea5t \u0111\u1ed9n trong keo d\u00e1n nh\u0169 t\u01b0\u01a1ng cho g\u1ed7. H\u1ecd \u0111\u00e3 nghi\u00ean c\u1ee9u t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c t\u1ef7 l\u1ec7 b\u1ed5 sung kh\u00e1c nhau \u0111\u1ebfn hi\u1ec7u su\u1ea5t keo d\u00e1n th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u1ed9t y\u1ebfu t\u1ed1. K\u1ebft qu\u1ea3 ch\u1ec9 ra r\u1eb1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 nh\u1edbt v\u00e0 \u0111\u1ed9 c\u1ee9ng<\/strong>: T\u0103ng theo t\u1ef7 l\u1ec7 canxi cacbonat cao h\u01a1n.<\/li>\n\n\n\n<li><strong>S\u1ee9c m\u1ea1nh li\u00ean k\u1ebft<\/strong>: Ban \u0111\u1ea7u t\u0103ng, sau \u0111\u00f3 gi\u1ea3m \u1edf t\u1ef7 l\u1ec7 cao h\u01a1n.<\/li>\n\n\n\n<li><strong>S\u1ef1 \u1ed5n \u0111\u1ecbnh<\/strong>: B\u1ecb h\u01b0 h\u1ecfng khi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n t\u0103ng cao.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t \u0111\u1ed9n l\u00ean hi\u1ec7u su\u1ea5t keo d\u00e1n<\/strong><\/p>\n\n\n\n<p><strong>M\u1ed1i quan h\u1ec7 gi\u1eefa t\u1ef7 l\u1ec7 b\u1ed5 sung canxi cacbonat v\u00e0 \u0111\u1ed9 c\u1ee9ng Shore A<\/strong><\/p>\n\n\n\n<p>Zhou Xiao v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a b\u1ed9t th\u1ea1ch anh nh\u01b0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n trong keo d\u00e1n polyurethane m\u1ed9t th\u00e0nh ph\u1ea7n. Ph\u00e1t hi\u1ec7n c\u1ee7a h\u1ecd ch\u1ec9 ra r\u1eb1ng b\u1ed9t th\u1ea1ch anh th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi h\u1ec7 th\u1ed1ng polyurethane, t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 \u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m keo d\u00e1n thu \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(2) Kh\u00e1m ph\u00e1 ch\u1ea5t \u0111\u1ed9n ti\u00ean ti\u1ebfn: Silicon Carbide v\u00e0 Alumina<\/strong><\/h3>\n\n\n\n<p>Li Zhaoyuan v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 s\u1eed d\u1ee5ng nano-silicon carbide kh\u1ed1i (\u03b2-SiC) l\u00e0m ch\u1ea5t \u0111\u1ed9n \u0111\u1ec3 ph\u00e1t tri\u1ec3n ch\u1ea5t k\u1ebft d\u00ednh v\u00f4 c\u01a1 \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i. C\u00e1c th\u00ed nghi\u1ec7m c\u1ee7a h\u1ecd cho th\u1ea5y r\u1eb1ng v\u1edbi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n l\u00e0 40%, ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t \u0111\u00e1ng ch\u00fa \u00fd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1eaft<\/strong>: 13,5MPa<\/li>\n\n\n\n<li><strong>S\u1ed1 l\u1ea7n l\u1eb7p l\u1ea1i tu\u1ed5i th\u1ecd m\u1ec7t m\u1ecfi<\/strong>: 67 chu k\u1ef3<\/li>\n\n\n\n<li><strong>S\u1ee9c m\u1ea1nh b\u00f3c v\u1ecf<\/strong>: 46,7 N\/mm\u00b2<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0y nh\u1ea5n m\u1ea1nh r\u1eb1ng vi\u1ec7c bi\u1ebfn \u0111\u1ed5i h\u1ea1t nano c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t li\u00ean k\u1ebft c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh v\u00f4 c\u01a1, mang l\u1ea1i \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n<p>Chen Zeming v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 kh\u00e1c nhau\u2014bao g\u1ed3m b\u1ed9t silica, Al\u2082O\u2083, mullite, boron nitride, b\u1ed9t talc v\u00e0 mica\u2014tr\u00ean ch\u1ea5t k\u1ebft d\u00ednh nh\u1ef1a epoxy bi\u1ebfn t\u00ednh. Nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd \u0111\u00e1nh gi\u00e1 c\u00e1ch c\u00e1c lo\u1ea1i v\u00e0 li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n kh\u00e1c nhau \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 li\u00ean k\u1ebft v\u00e0 giao di\u1ec7n li\u00ean k\u1ebft. Nh\u1eefng ph\u00e1t hi\u1ec7n ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<p><strong>Xu h\u01b0\u1edbng s\u1ee9c m\u1ea1nh li\u00ean k\u1ebft<\/strong>:\u0110\u1ed9 b\u1ec1n li\u00ean k\u1ebft ban \u0111\u1ea7u t\u0103ng theo li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n, sau \u0111\u00f3 gi\u1ea3m \u1edf m\u1ee9c cao h\u01a1n.<\/p>\n\n\n\n<p><strong>Hi\u1ec7u su\u1ea5t Filler t\u1ed1i \u01b0u<\/strong>:Trong s\u1ed1 c\u00e1c ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m, 15 ph\u1ea7n Al\u2082O\u2083 mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, \u0111\u1ea1t gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 c\u1eaft v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u00f3c l\u1ea7n l\u01b0\u1ee3t l\u00e0 22,42 MPa v\u00e0 12,84 N\/cm.<\/p>\n\n\n\n<p>Vi\u1ec7c b\u1ed5 sung ch\u1ea5t \u0111\u1ed9n Al\u2082O\u2083 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc, ch\u1eb3ng h\u1ea1n nh\u01b0 C-Al v\u00e0 Al-OC, l\u00e0m gi\u1ea3m l\u1ef1c k\u1ebft d\u00ednh c\u1ee7a nh\u1ef1a epoxy bi\u1ebfn t\u00ednh. S\u1ef1 c\u1ea3i ti\u1ebfn n\u00e0y l\u00e0m t\u0103ng l\u1ef1c li\u00ean k\u1ebft t\u1ea1i giao di\u1ec7n h\u1ee3p kim nh\u00f4m-ch\u1ea5t k\u1ebft d\u00ednh, do \u0111\u00f3 c\u1ea3i thi\u1ec7n c\u1ea3 \u0111\u1ed9 b\u1ec1n b\u00f3c v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1eaft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(3) Nghi\u00ean c\u1ee9u c\u00f3 h\u1ec7 th\u1ed1ng v\u1ec1 ch\u1ea5t \u0111\u1ed9n trong ch\u1ea5t k\u1ebft d\u00ednh<\/h3>\n\n\n\n<p>Keo d\u00e1n k\u1ebft c\u1ea5u acrylic hai th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i v\u00e0 phi kim lo\u1ea1i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4, x\u00e2y d\u1ef1ng v\u00e0 \u0111i\u1ec7n t\u1eed. M\u1eb7c d\u00f9 ch\u1ea5t \u0111\u1ed9n kh\u00f4ng h\u00f2a tan trong h\u1ec7 th\u1ed1ng keo d\u00e1n do c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ed1n c\u00f3 c\u1ee7a ch\u00fang, nh\u01b0ng vi\u1ec7c s\u1eeda \u0111\u1ed5i c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh. S\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh, t\u0103ng \u0111\u1ed9 nh\u1edbt v\u00e0 th\u00fac \u0111\u1ea9y \u0111\u1ed9 b\u00e1m d\u00ednh m\u1ea1nh h\u01a1n v\u00e0o ch\u1ea5t n\u1ec1n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Quy \u0111\u1ecbnh v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/strong><\/h4>\n\n\n\n<p>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a c\u1ea5u tr\u00fac acrylic <a href=\"https:\/\/en.wikipedia.org\/wiki\/Adhesive\">ch\u1ea5t k\u1ebft d\u00ednh<\/a> tr\u00ean nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y, bao g\u1ed3m vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c h\u1ee3p ch\u1ea5t nhi\u1ec7t d\u1ebbo v\u00e0 ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u1eabn nhi\u1ec7t<\/strong><\/h4>\n\n\n\n<p>Vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 th\u00edch h\u1ee3p v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh c\u00e1ch \u0111i\u1ec7n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng keo d\u00e1n acrylic. C\u00e1c ch\u1ea5t \u0111\u1ed9n th\u00edch h\u1ee3p bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nh\u00f4m hydroxit<\/strong><\/li>\n\n\n\n<li><strong>Magi\u00ea Hydroxit<\/strong><\/li>\n\n\n\n<li><strong>Nh\u00f4m oxit<\/strong><\/li>\n\n\n\n<li><strong>Magie oxit<\/strong><\/li>\n\n\n\n<li><strong>k\u1ebdm oxit<\/strong><\/li>\n\n\n\n<li><strong>Silic Dioxit<\/strong><\/li>\n\n\n\n<li><strong>Titan Dioxide<\/strong><\/li>\n\n\n\n<li><strong>Canxi Silicat<\/strong><\/li>\n\n\n\n<li><strong>Nh\u00f4m Silicat<\/strong><\/li>\n\n\n\n<li><strong>Canxi cacbonat<\/strong><\/li>\n\n\n\n<li><strong>Nitrua silic<\/strong><\/li>\n\n\n\n<li><strong>Cacbua silic<\/strong><\/li>\n\n\n\n<li><strong>Nh\u00f4m Borat<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Ngo\u00e0i ra, c\u00e1c s\u1ee3i ria l\u00e0m t\u1eeb silicon carbide, nh\u00f4m oxit ho\u1eb7c nh\u00f4m borat c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t v\u00e0 ch\u1ed1ng ch\u00e1y c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh trong khi v\u1eabn duy tr\u00ec c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 \u0111\u00f3ng r\u1eafn c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u1ea9m v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong><\/h4>\n\n\n\n<p>Liu Chengliang v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 gi\u1edbi thi\u1ec7u m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ch\u1ebf t\u1ea1o keo d\u00e1n k\u1ebft c\u1ea5u acrylic c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft cao trong b\u1eb1ng s\u00e1ng ch\u1ebf c\u1ee7a h\u1ecd. B\u1eb1ng c\u00e1ch th\u00eam 0 \u0111\u1ebfn 30 ph\u1ea7n ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1, ch\u1eb3ng h\u1ea1n nh\u01b0 silica kh\u00f3i, canxi cacbonat v\u00e0 nano-alumina, v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n A v\u00e0 B, keo d\u00e1n \u0111\u00e3 ch\u1ee9ng minh hi\u1ec7u su\u1ea5t \u1ea5n t\u01b0\u1ee3ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1eaft \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/strong>: 9,36 MPa (th\u00e9p kh\u00f4ng g\u1ec9\/PMMA) v\u00e0 10,35 MPa (magi\u00ea\/PMMA).<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1eaft sau khi l\u00e3o h\u00f3a<\/strong>: Gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i l\u00e0 9,83 MPa v\u00e0 9,64 MPa sau 2 tu\u1ea7n \u1edf nhi\u1ec7t \u0111\u1ed9 85\u00b0C v\u00e0 \u0111\u1ed9 \u1ea9m 85%, v\u1edbi t\u1ef7 l\u1ec7 gi\u1eef l\u1ea1i l\u1ea7n l\u01b0\u1ee3t l\u00e0 105% v\u00e0 93%.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Quy \u0111\u1ecbnh v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/h4>\n\n\n\n<p>S\u1eed d\u1ee5ng keo d\u00e1n k\u1ebft c\u1ea5u acrylic c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ho\u1eb7c lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 c\u00e1c ho\u1ea1t \u0111\u1ed9ng ho\u00e0n thi\u1ec7n t\u1ed1n k\u00e9m nh\u01b0 t\u00e1n \u0111inh v\u00e0 h\u00e0n, mang l\u1ea1i v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 h\u01a1n v\u1edbi \u00edt l\u1ed7 ho\u1eb7c \u0111i\u1ec3m ch\u1ecbu \u1ee9ng su\u1ea5t d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n. C\u00e1c kim lo\u1ea1i kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nguy c\u01a1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a th\u1ea5p h\u01a1n. C\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng c\u00e1ch th\u00eam h\u1ed7n h\u1ee3p molybdate kim lo\u1ea1i (v\u00ed d\u1ee5, molybdate k\u1ebdm, molybdate canxi, molybdate bari ho\u1eb7c molybdate stronti) v\u00e0 ch\u1ea5t \u0111\u1ed9n tr\u01a1 nh\u01b0 k\u1ebdm phosphat, canxi phosphat v\u00e0 magi\u00ea phosphat.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Quy \u0111\u1ecbnh v\u1ec1 c\u00e1c t\u00e0i s\u1ea3n kh\u00e1c<\/strong><\/h4>\n\n\n\n<p>Ngo\u00e0i vi\u1ec7c t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t, m\u1ed9t s\u1ed1 ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng nh\u01b0 ch\u1ea5t l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt, ch\u1ea5t l\u00e0m \u0111\u1eb7c v\u00e0 ch\u1ea5t gia c\u01b0\u1eddng. Ch\u00fang c\u00f3 th\u1ec3 thay \u0111\u1ed5i hi\u1ec7u qu\u1ea3 nhi\u1ec1u \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng keo d\u00e1n k\u1ebft c\u1ea5u acrylic hai th\u00e0nh ph\u1ea7n, bao g\u1ed3m m\u1eadt \u0111\u1ed9, \u0111\u1ed9 nh\u1edbt v\u00e0 \u0111\u1ed9 nh\u1edbt. Liu Suyu v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o ra keo d\u00e1n acrylic \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 d\u00e1n c\u00e1c t\u1ea5m \u1ed1p ch\u00e2n t\u01b0\u1eddng \u00f4 t\u00f4. Trong c\u00f4ng th\u1ee9c n\u00e0y, canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n ch\u00ednh. Vi\u1ec7c \u0111\u01b0a canxi cacbonat v\u00e0o \u0111\u00e3 mang l\u1ea1i m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 c\u00f3 l\u1ee3i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gi\u1ea3m Thixotropy<\/strong>:Ch\u1ea5t k\u1ebft d\u00ednh d\u1ec5 b\u00f4i v\u00e0 c\u1ea1o h\u01a1n.<\/li>\n\n\n\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 t\u1ecfa nhi\u1ec7t th\u1ea5p h\u01a1n<\/strong>:Nhi\u1ec7t \u0111\u1ed9 t\u1ecfa nhi\u1ec7t \u0111\u01b0\u1ee3c gi\u1ea3m t\u1eeb 115\u00b0C xu\u1ed1ng d\u01b0\u1edbi 85\u00b0C, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n\n\n\n<li><strong>Gi\u1ea3m thi\u1ec3u co ng\u00f3t khi \u0111\u00f3ng r\u1eafn<\/strong>:\u0110\u1ed9 co ng\u00f3t khi \u0111\u00f4ng c\u1ee9ng \u0111\u01b0\u1ee3c gi\u1eef d\u01b0\u1edbi 1%, gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian thi c\u00f4ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p>Khi \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c trong c\u00f4ng th\u1ee9c keo d\u00e1n, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1. T\u00ednh linh ho\u1ea1t c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 cung c\u1ea5p gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cho nhi\u1ec1u v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau. <\/p>","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng th\u1ee9c keo d\u00e1n c\u00f3 th\u1ec3 v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n. V\u1ea5n \u0111\u1ec1 ch\u00ednh n\u1eb1m \u1edf nhu c\u1ea7u v\u1ec1 c\u00e1c c\u00f4ng th\u1ee9c c\u00f3 m\u1ee5c ti\u00eau. Nhi\u1ec1u nguy\u00ean li\u1ec7u th\u00f4 ph\u00f9 h\u1ee3p ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh mong mu\u1ed1n, \u0111\u00f2i h\u1ecfi [\u2026]<\/p>","protected":false},"author":2,"featured_media":14805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[42],"tags":[],"class_list":["post-14804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Can\u2019t figure out the adhesive formula? 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