{"id":9586,"date":"2011-06-07T08:43:57","date_gmt":"2011-06-07T01:43:57","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/06\/nghien-cuu-anh-huong-cua-ty-le-bot-go-va-nhua-pp-polypropylen-den-tinh-chat-composite-go-nhua\/"},"modified":"2015-05-19T14:22:34","modified_gmt":"2015-05-19T07:22:34","slug":"nghien-cuu-anh-huong-cua-ty-le-bot-go-va-nhua-pp-polypropylen-den-tinh-chat-composite-go-nhua","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-anh-huong-cua-ty-le-bot-go-va-nhua-pp-polypropylen-den-tinh-chat-composite-go-nhua\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u1ef7 l\u1ec7 b\u1ed9t g\u1ed7 v\u00e0 nh\u1ef1a PP (Polypropylen) \u0111\u1ebfn t\u00ednh ch\u1ea5t Composite g\u1ed7 nh\u1ef1a"},"content":{"rendered":"

H\u00e0 Ti\u1ebfn M\u1ea1nh, Nguy\u1ec5n B\u1ea3o Ng\u1ecdc, Nguy\u1ec5n \u0110\u1ee9c Th\u00e0nh<\/strong><\/p>\n

\u0110\u1ed7 Th\u1ecb Ho\u00e0i Thanh, H\u00e0 Th\u1ecb Thu<\/strong><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n

Nguy\u1ec5n H\u1ea3i Ho\u00e0n<\/strong><\/p>\n

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/strong><\/p>\n

T\u00d3M T\u1eaeT<\/strong><\/p>\n

Composite g\u1ed7 – nh\u1ef1a (WPC) l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean b\u1edfi s\u1ef1 pha tr\u1ed9n gi\u1eefa b\u1ed9t g\u1ed7 v\u00e0 nh\u1ef1a. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, WPC \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng t\u1ea1i M\u1ef9 v\u00e0 \u0111\u00e3 ph\u00e1t tri\u1ec3n r\u1ea5t m\u1ea1nh \u1edf nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi nh\u01b0 Nh\u1eadt, M\u1ef9, Ph\u1ea7n Lan, \u0110\u1ee9c, Th\u1ee5y \u0111i\u1ec3n, Nga, Trung Qu\u1ed1c. L\u0129nh v\u1ef1c s\u1eed d\u1ee5ng WPC r\u1ea5t r\u1ed9ng r\u00e3i: V\u00e1n s\u00e0n, v\u00e1n \u1ed1p t\u01b0\u1eddng, khung c\u1eeda s\u1ed5, c\u1eeda \u0111i, \u0111\u1ed3 d\u00f9ng ngo\u00e0i tr\u1eddi, s\u00e0n t\u00e0u, c\u00e1c chi ti\u1ebft m\u1ed9c, trang tr\u00ed, d\u1ee5ng c\u1ee5 th\u1ec3 thao\u2026Nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a WPC so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nh\u01b0 v\u00e1nd\u0103m, v\u00e1n s\u1ee3i l\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p kh\u00e1c nhau v\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf s\u1eed d\u1ee5ng. V\u1eadt li\u1ec7u composite tr\u00ean n\u1ec1n nh\u1ef1a nhi\u1ec7t d\u1ebbo c\u00f3 ngu\u1ed3n g\u1ed1c Polypropylen gia c\u01b0\u1eddng b\u1eb1ng h\u1ec7 s\u1ee3i lai t\u1ea1o tre, lu\u1ed3ng – thu\u1ef7 tinh \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u th\u1eed nghi\u1ec7m th\u00e0nh c\u00f4ng. T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u l\u00fd thuy\u1ebft v\u00e0 th\u1ef1c nghi\u1ec7m, \u0111\u1ec1 t\u00e0i \u0111\u00e3 g\u00f3p ph\u1ea7n l\u00e0m r\u00f5 \u0111\u01b0\u1ee3c l\u00fd thuy\u1ebft v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u1ef7 l\u1ec7 gi\u1eefa b\u1ed9t g\u1ed7 Keo tai t\u01b0\u1ee3ng v\u00e0 nh\u1ef1a t\u00e1i ch\u1ebf PP \u0111\u1ebfn m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a WPC. C\u00e1c k\u1ebft qu\u1ea3 \u0111\u00f3 l\u00e0 c\u01a1 s\u1edf x\u00e2y d\u1ef1ng qui tr\u00ecnh c\u00f4ng ngh\u1ec7 v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 g\u1ed7\/nh\u1ef1a ph\u00f9 h\u1ee3p cho qu\u00e1 tr\u00ecnh t\u1ea1o v\u1eadt li\u1ec7u n\u00e0y, \u0111\u1ed3ng th\u1eddi \u0111\u00e3 m\u1edf ra c\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng m\u1edbi cho nghi\u00ean c\u1ee9u ti\u1ebfp theo.<\/p>\n

T\u1eeb kho\u00e1<\/strong>: Composite g\u1ed7 – nh\u1ef1a (WPC), B\u1ed9t g\u1ed7, Nh\u1ef1a PP (Polypropylen).<\/em><\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

H\u00e0ng n\u0103m ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 n\u01b0\u1edbc ta ph\u1ea3i nh\u1eadp kh\u1ea9u t\u1eeb 3.5 – 4 tri\u1ec7u m3<\/sup> g\u1ed7 tr\u00f2n, trong khi \u0111\u00f3 l\u01b0\u1ee3ng ph\u1ebf li\u1ec7u trong s\u1ea3n xu\u1ea5t ch\u1ebf bi\u1ebfn g\u1ed7 ph\u1ee5 thu\u1ed9c v\u00e0o nguy\u00ean li\u1ec7u, k\u00edch th\u01b0\u1edbc t\u1ea1o s\u1ea3n ph\u1ea9m, c\u00f4ng su\u1ea5t thi\u1ebft b\u1ecb v\u00e0 th\u01b0\u1eddng chi\u1ebfm t\u1ef7 tr\u1ecdng t\u1eeb 45-63% th\u1ec3 t\u00edch nguy\u00ean li\u1ec7u. Nh\u01b0 v\u1eady c\u00f3 th\u1ec3 th\u1ea5y l\u01b0\u1ee3ng ph\u1ebf li\u1ec7u g\u1ed7 r\u1ea5t l\u1edbn v\u00e0 hi\u1ec7n nay s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu l\u00e0m nhi\u00ean li\u1ec7u. V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 l\u01b0\u1ee3ng ph\u1ebf li\u1ec7u g\u1ed7 n\u00e0y nh\u1eb1m n\u00e2ng cao t\u1ef7 l\u1ec7 l\u1ee3i d\u1ee5ng nguy\u00ean li\u1ec7u \u0111\u1ed3ng th\u1edfi b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng?Ph\u1ebf li\u1ec7u ch\u1ea5t d\u1ebbo t\u1eeb c\u00e1c lo\u1ea1i nh\u1ef1a c\u1ee7a \u0111\u1ed3 d\u00f9ng trong sinh ho\u1ea1t r\u1ea5t \u0111a d\u1ea1ng v\u00e0 phong ph\u00fa. Ph\u1ebf li\u1ec7u n\u00e0y ch\u1ee7 y\u1ebfu c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb Polypropylen (PP), Polyethylene (PE) v\u00e0 Polyvinylchloride (PVC). S\u1ed1 li\u1ec7u \u0111i\u1ec1u tra ch\u00ednh x\u00e1c v\u1ec1 l\u01b0\u1ee3ng nh\u1ef1a ph\u1ebf th\u1ea3i trong to\u00e0n qu\u1ed1c ch\u01b0a \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, tuy nhi\u00ean theo k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra n\u0103m 2002 c\u1ee7a vi\u1ec7n V\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng cho th\u1ea5y l\u01b0\u1ee3ng nh\u1ef1a ph\u1ebf th\u1ea3i trong r\u00e1c th\u1ea3i sinh ho\u1ea1t c\u1ee7a th\u00e0nh ph\u1ed1 H\u00e0 N\u1ed9i l\u00e0 kh\u00e1 cao (t\u1eeb 7 \u0111\u1ebfn 8%). N\u1ebfu t\u00ednh l\u01b0\u1ee3ng r\u00e1c th\u1ea3i trung b\u00ecnh c\u1ee7a H\u00e0 N\u1ed9i l\u00e0 18.000 t\u1ea5n\/ng\u00e0y th\u00ec m\u1ed7i ng\u00e0y H\u00e0 N\u1ed9i th\u1ea3i ra kho\u1ea3ng tr\u00ean 120 t\u1ea5n nh\u1ef1a ph\u1ebf th\u1ea3i.<\/p>\n

Ngu\u1ed3n nguy\u00ean li\u1ec7u (ph\u1ebf li\u1ec7u ch\u1ea5t d\u1ebbo v\u00e0 ph\u1ebf li\u1ec7u g\u1ed7) \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u composite g\u1ed7 – nh\u1ef1a c\u00f3 ti\u1ec1m n\u0103ng r\u1ea5t l\u1edbn. Hi\u1ec7n nay, c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 v\u1eadt li\u1ec7u composite g\u1ed7 – nh\u1ef1a \u1edf Vi\u1ec7t Nam c\u00f2n \u00edt \u0111\u01b0\u1ee3c quan t\u00e2m nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng v\u00e0o s\u1ea3n xu\u1ea5t, do v\u1eady vi\u1ec7c nghi\u00ean c\u1ee9u t\u1ea1o v\u1eadt li\u1ec7u composite g\u1ed7-nh\u1ef1a \u1edf n\u01b0\u1edbc ta c\u00f3 \u00fd ngh\u0129a khoa h\u1ecdc v\u00e0 th\u1ef1c ti\u1ec5n, m\u1edf ra xu h\u01b0\u1edbng m\u1edbi trong s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 nguy\u00ean li\u1ec7u g\u1ed7 v\u00e0 t\u1ea1o v\u1eadt li\u1ec7u m\u1edbi thay th\u1ebf g\u1ed7 t\u1ef1 nhi\u00ean trongx\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t, \u0111\u1eb7c bi\u1ec7t c\u00f3 \u00fd ngh\u0129a trong vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p, s\u1ed1 1 n\u0103m 2011, trang 1752-1759)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\nNh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a WPC so v\u1edbi các v\u1eadt li\u1ec7u khác nh\u01b0 ván  <\/span>d\u0103m, ván s\u1ee3i là có th\u1ec3 t\u1ea1o ra các hình d\u1ea1ng ph\u1ee9c t\u1ea1p khác nhau và hoàn toàn có th\u1ec3 tái ch\u1ebf s\u1eed d\u1ee5ng. V\u1eadt li\u1ec7u composite trên n\u1ec1n nh\u1ef1a nhi\u1ec7t d\u1ebbo có ngu\u1ed3n g\u1ed1c Polypropylen gia c\u01b0\u1eddng b\u1eb1ng h\u1ec7 s\u1ee3i lai t\u1ea1o tre, lu\u1ed3ng – thu\u1ef7 tinh \u0111ã \u0111\u01b0\u1ee3c nghiên c\u1ee9u th\u1eed nghi\u1ec7m thành công. T\u1eeb các k\u1ebft qu\u1ea3 nghiên c\u1ee9u lý thuy\u1ebft và th\u1ef1c nghi\u1ec7m, \u0111\u1ec1 tài \u0111ã góp ph\u1ea7n làm rõ \u0111\u01b0\u1ee3c lý thuy\u1ebft v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u1ef7 l\u1ec7 gi\u1eefa b\u1ed9t g\u1ed7 Keo tai t\u01b0\u1ee3ng và nh\u1ef1a tái ch\u1ebf PP \u0111\u1ebfn m\u1ed9t s\u1ed1 tính ch\u1ea5t c\u1ee7a WPC.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9586"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9586"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9586\/revisions"}],"predecessor-version":[{"id":15252,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9586\/revisions\/15252"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}