{"id":24940,"date":"2025-06-06T22:22:19","date_gmt":"2025-06-06T15:22:19","guid":{"rendered":"https:\/\/quanghung.name.vn\/thoi-su\/mang-boc-thuc-pham-co-thuc-su-an-toan\/"},"modified":"2025-06-06T22:22:19","modified_gmt":"2025-06-06T15:22:19","slug":"mang-boc-thuc-pham-co-thuc-su-an-toan","status":"publish","type":"post","link":"https:\/\/quanghung.name.vn\/?p=24940","title":{"rendered":"M\u00e0ng b\u1ecdc th\u1ef1c ph\u1ea9m c\u00f3 th\u1ef1c s\u1ef1 an to\u00e0n?"},"content":{"rendered":"
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Nh\u00e0 khoa h\u1ecdc th\u1ef1c ph\u1ea9m, ti\u1ebfn s\u0129 Bryan Quoc Le (M\u1ef9) cho bi\u1ebft m\u00e0ng b\u1ecdc l\u00e0m t\u1eeb polyethylene m\u1eadt \u0111\u1ed9 th\u1ea5p (LDPE) c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o l\u1edbp ni\u00eam phong ch\u1eb7t \u1edf m\u00e9p h\u1ed9p \u0111\u1ef1ng, gi\u00fap h\u1ea1n ch\u1ebf vi khu\u1ea9n v\u00e0 gi\u1eef th\u1ef1c ph\u1ea9m t\u01b0\u01a1i l\u00e2u h\u01a1n.<\/p>\n

M\u00e0ng b\u1ecdc ph\u00e1t huy hi\u1ec7u qu\u1ea3 nh\u1ea5t trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh. Trong t\u1ee7 \u0111\u00f4ng, \u0111\u1ed9 d\u00ednh t\u0103ng l\u00ean, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a h\u01a1i \u1ea9m v\u00e0 kh\u00f4ng kh\u00ed. Theo ti\u1ebfn s\u0129 Le, m\u00e0ng b\u1ecdc c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ed9 t\u01b0\u01a1i c\u1ee7a th\u1ef1c ph\u1ea9m th\u00eam m\u1ed9t, hai ng\u00e0y \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, ba, b\u1ed1n ng\u00e0y trong t\u1ee7 l\u1ea1nh v\u00e0 v\u00e0i th\u00e1ng trong t\u1ee7 \u0111\u00f4ng n\u1ebfu b\u1ecdc k\u00edn.<\/p>\n

V\u1edbi c\u00e1c m\u00f3n \u0103n trong ng\u00e0y ho\u1eb7c \u0111\u1ec3 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, chuy\u00ean gia khuy\u1ebfn ngh\u1ecb n\u00ean d\u00f9ng h\u1ed9p \u0111\u1ef1ng b\u1eb1ng nh\u1ef1a ho\u1eb7c th\u1ee7y tinh. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng m\u00e0ng b\u1ecdc trong l\u00f2 vi s\u00f3ng n\u1ebfu kh\u00f4ng c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng “an to\u00e0n v\u1edbi l\u00f2 vi s\u00f3ng”.<\/p>\n

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\u1ea2nh minh h\u1ecda: Huffpost<\/em><\/p>\n<\/figcaption><\/figure>\n

Sau khi chuy\u1ec3n t\u1eeb ch\u1ea5t li\u1ec7u PVC sang LDPE t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 2000, m\u00e0ng b\u1ecdc th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c nh\u1eadn x\u00e9t an to\u00e0n h\u01a1n, nh\u01b0ng ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao v\u1eabn c\u00f3 th\u1ec3 ch\u1ea3y ho\u1eb7c th\u00f4i nhi\u1ec5m h\u00f3a ch\u1ea5t.<\/p>\n

Ti\u1ebfn s\u0129, b\u00e1c s\u0129 gia \u0111\u00ecnh Rob Danoff, \u1edf Philadelphia, M\u1ef9, khuy\u00ean khi h\u00e2m n\u00f3ng th\u1ee9c \u0103n c\u00f3 ph\u1ee7 m\u00e0ng b\u1ecdc, c\u1ea7n gi\u1eef kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u 2,5 cm gi\u1eefa m\u00e0ng v\u00e0 b\u1ec1 m\u1eb7t th\u1ef1c ph\u1ea9m.<\/p>\n

Tuy nhi\u00ean, \u0111\u1ec3 gi\u1ea3m r\u00e1c th\u1ea3i nh\u1ef1a, ng\u01b0\u1eddi d\u00f9ng n\u00ean chuy\u1ec3n sang h\u1ed9p silicon ho\u1eb7c m\u00e0ng b\u1ecdc ph\u1ee7 s\u00e1p ong.<\/p>\n

Lu\u1eadt s\u01b0 Jason Reese, \u0111\u1ed3ng s\u00e1ng l\u1eadp c\u00f4ng ty lu\u1eadt Wagner Reese, chuy\u00ean v\u1ec1 th\u01b0\u01a1ng t\u00edch c\u00e1 nh\u00e2n v\u00e0 c\u00e1c b\u1ec7nh do th\u1ef1c ph\u1ea9m, \u0111\u00e1nh gi\u00e1 silicon c\u1ea5p th\u1ef1c ph\u1ea9m l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n, t\u00e1i s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c, ch\u1ecbu nhi\u1ec7t v\u00e0 kh\u00f4ng gi\u1ea3i ph\u00f3ng h\u00f3a ch\u1ea5t.<\/p>\n

\u0110H N\u00f4ng nghi\u1ec7p v\u00e0 t\u00e0i nguy\u00ean thi\u00ean nhi\u00ean California, cho bi\u1ebft m\u00e0ng s\u00e1p ong c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y sinh h\u1ecdc, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, nh\u01b0ng kh\u00f4ng n\u00ean d\u00f9ng b\u1ecdc th\u1ecbt s\u1ed1ng ho\u1eb7c th\u1ef1c ph\u1ea9m n\u00f3ng v\u00ec d\u1ec5 tan ch\u1ea3y.<\/p>\n

Nh\u1eadt Minh<\/strong> (Theo Huffpost<\/em>)<\/p>\n

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Nh\u00e0 khoa h\u1ecdc th\u1ef1c ph\u1ea9m, ti\u1ebfn s\u0129 Bryan Quoc Le (M\u1ef9) cho bi\u1ebft m\u00e0ng b\u1ecdc l\u00e0m t\u1eeb polyethylene m\u1eadt \u0111\u1ed9 th\u1ea5p (LDPE) c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o l\u1edbp ni\u00eam phong ch\u1eb7t \u1edf m\u00e9p h\u1ed9p \u0111\u1ef1ng, gi\u00fap h\u1ea1n ch\u1ebf vi khu\u1ea9n v\u00e0 gi\u1eef th\u1ef1c ph\u1ea9m t\u01b0\u01a1i l\u00e2u h\u01a1n. M\u00e0ng b\u1ecdc ph\u00e1t huy hi\u1ec7u qu\u1ea3 nh\u1ea5t trong m\u00f4i<\/p>\n","protected":false},"author":1,"featured_media":24941,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAow44a6DA:productID":"","footnotes":""},"categories":[2],"tags":[7630,7629],"class_list":["post-24940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thoi-su","tag-cong-dung-cua-mang-boc-thuc-pham","tag-mang-boc-thuc-pham"],"_links":{"self":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/posts\/24940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24940"}],"version-history":[{"count":0,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/posts\/24940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/media\/24941"}],"wp:attachment":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}