{"id":4802,"date":"2026-04-08T18:50:25","date_gmt":"2026-04-08T18:50:25","guid":{"rendered":"https:\/\/www.sungda.com\/vi\/post\/1-vi"},"modified":"2026-04-08T18:50:25","modified_gmt":"2026-04-08T18:50:25","slug":"1-vi","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/vi\/index.php\/1-vi\/","title":{"rendered":"Nhi\u1ec7t \u0111\u1ed9 l\u01b0u h\u00f3a c\u00e1c kh\u1edbp n\u1ed1i th\u00ec sao?"},"content":{"rendered":"<p>Nhi\u1ec7t \u0111\u1ed9 li\u00ean k\u1ebft ngang l\u01b0u h\u00f3a th\u00f4ng th\u01b0\u1eddng c\u1ee7a cao su \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi ch\u1ea5t l\u01b0u h\u00f3a v\u00e0 ch\u1ea5t gia t\u1ed1c trong cao su. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho qu\u00e1 tr\u00ecnh gia c\u00f4ng cao su, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u01b0\u1eddng kh\u00f4ng \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 b\u1eaft \u0111\u1ea7u l\u01b0u h\u00f3a c\u1ee7a cao su d\u00f9ng cho b\u0103ng t\u1ea3i d\u01b0\u1edbi m\u1ee9c n\u00e0y. Do \u0111\u00f3, trong tr\u01b0\u1eddng h\u1ee3p nhi\u1ec7t \u0111\u1ed9 ch\u1ec9 \u0111\u1ea1t 120\u00b0C, cao su kh\u00f4ng v\u00e0o tr\u1ea1ng th\u00e1i l\u01b0u h\u00f3a b\u00ecnh th\u01b0\u1eddng, v\u00e0 v\u00ec v\u1eady, ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i n\u1ed1i b\u0103ng t\u1ea3i b\u1ecb \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng, khi nhi\u1ec7t \u0111\u1ed9 l\u01b0u h\u00f3a cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 t\u1edbi h\u1ea1n l\u01b0u h\u00f3a c\u1ee7a ch\u1ea5t gia t\u1ed1c v\u00e0 ch\u1ea5t l\u01b0u h\u00f3a nh\u01b0ng ch\u01b0a \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 l\u01b0u h\u00f3a b\u00ecnh th\u01b0\u1eddng, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian l\u01b0u h\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a cao su. Th\u00f4ng th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m 2-4 l\u1ea7n cho m\u1ed7i m\u1ee9c nhi\u1ec7t d\u01b0\u1edbi 10\u00b0C.<\/p>\n<p>T\u1ea5t nhi\u00ean, v\u00ec l\u00fd do hi\u1ec7u su\u1ea5t, ch\u00fang t\u00f4i kh\u00f4ng khuy\u1ebfn ngh\u1ecb l\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p trong th\u1eddi gian d\u00e0i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-836\" src=\"https:\/\/www.sungda.com\/wp-content\/uploads\/2019\/12\/9e4b9c662fbfdbb5d43e1ec42e8d6afa-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.sungda.com\/wp-content\/uploads\/2019\/12\/9e4b9c662fbfdbb5d43e1ec42e8d6afa.jpg 300w, https:\/\/www.sungda.com\/wp-content\/uploads\/2019\/12\/9e4b9c662fbfdbb5d43e1ec42e8d6afa-768x576.jpg 768w, https:\/\/www.sungda.com\/wp-content\/uploads\/2019\/12\/9e4b9c662fbfdbb5d43e1ec42e8d6afa-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nhi\u1ec7t \u0111\u1ed9 li\u00ean k\u1ebft ngang l\u01b0u h\u00f3a th\u00f4ng th\u01b0\u1eddng c\u1ee7a cao su \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi ch\u1ea5t l\u01b0u h\u00f3a v\u00e0 ch\u1ea5t gia t\u1ed1c trong cao su. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho qu\u00e1 tr\u00ecnh gia c\u00f4ng cao su, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u01b0\u1eddng kh\u00f4ng \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 b\u1eaft \u0111\u1ea7u l\u01b0u h\u00f3a c\u1ee7a cao su d\u00f9ng [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[637],"tags":[],"class_list":["post-4802","post","type-post","status-publish","format-standard","hentry","category-techinical-news-vi"],"_links":{"self":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/4802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/comments?post=4802"}],"version-history":[{"count":0,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/4802\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media?parent=4802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/categories?post=4802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/tags?post=4802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}