{"id":646,"date":"2024-07-15T03:17:48","date_gmt":"2024-07-15T03:17:48","guid":{"rendered":"https:\/\/juyuans.com\/?p=646"},"modified":"2024-07-15T03:17:48","modified_gmt":"2024-07-15T03:17:48","slug":"lucel-pom-ec-610b-nguyen-lieu-nhua","status":"publish","type":"post","link":"https:\/\/juyuans.com\/vi\/lucel-pom-ec-610b-nguyen-lieu-nhua\/","title":{"rendered":"Nguy\u00ean li\u1ec7u nh\u1ef1a LUCEL POM EC-610B"},"content":{"rendered":"

Polyoxymethylene (POM), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acetal ho\u1eb7c Delrin, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c do c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3. POM, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acetal ho\u1eb7c nh\u1ef1a nhi\u1ec7t d\u1ebbo k\u1ef9 thu\u1eadt, l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 cao, \u0111\u1ed9 k\u1ebft tinh cao \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p formaldehyde. N\u00f3 ch\u1ee7 y\u1ebfu t\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng: homopolymer (POM-H) v\u00e0 copolymer (POM-K).<\/span><\/p>\n

M\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 k\u1ebft tinh cao c\u1ee7a POM mang l\u1ea1i cho n\u00f3 hi\u1ec7u su\u1ea5t to\u00e0n di\u1ec7n v\u01b0\u1ee3t tr\u1ed9i. L\u00e0 m\u1ed9t lo\u1ea1i polyme k\u1ebft tinh kh\u00f4ng c\u00f3 chu\u1ed7i b\u00ean, POM c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n, b\u00f3ng, c\u00f3 m\u00e0u v\u00e0ng nh\u1ea1t ho\u1eb7c tr\u1eafng. V\u1eadt li\u1ec7u n\u00e0y c\u1ef1c k\u1ef3 c\u1ee9ng v\u00e0 \u0111\u1eb7c, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 100\u00b0C, th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. \u0110\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 cao c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 ho\u1ea1t \u0111\u1ed9ng tuy\u1ec7t v\u1eddi trong c\u00e1c \u1ee9ng d\u1ee5ng c\u01a1 kh\u00ed, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, n\u01a1i POM l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/span><\/p>\n

Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 t\u00ednh ch\u1ea5t t\u1ef1 b\u00f4i tr\u01a1n c\u1ee7a POM v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt kh\u00e1c. H\u1ec7 s\u1ed1 ma s\u00e1t b\u1ec1 m\u1eb7t th\u1ea5p c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn ti\u1ebfp x\u00fac \u0111\u1ed9ng nh\u01b0 b\u00e1nh r\u0103ng v\u00e0 \u1ed5 tr\u1ee5c. Ngo\u00e0i ra, POM c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t t\u1ed1t, c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c d\u1ea7u v\u00e0 peroxide. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t v\u00e0 \u00f4 t\u00f4, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng nhi\u00ean li\u1ec7u v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n.<\/span><\/p>\n

C\u1ee5 th\u1ec3, POM EC-610B th\u1ec3 hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t \u1ea5n t\u01b0\u1ee3ng. Theo t\u00e0i li\u1ec7u do ng\u01b0\u1eddi d\u00f9ng cung c\u1ea5p, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a POM EC-610B \u1edf 23\u00b0C l\u00e0 54 MPa, v\u1edbi \u0111\u1ed9 gi\u00e3n d\u00e0i l\u00e0 5%. M\u00f4 \u0111un u\u1ed1n v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n c\u1ee7a n\u00f3 l\u1ea7n l\u01b0\u1ee3t l\u00e0 2800 MPa v\u00e0 98 MPa. \u0110\u1ed9 b\u1ec1n va \u0111\u1eadp Izod c\u00f3 kh\u00eda \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (23\u00b0C) l\u00e0 26,53 kJ\/m\u00b2 v\u00e0 3,06 kJ\/m\u00b2 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. Nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a POM EC-610B l\u00e0 160\u00b0C (0,45 MPa) v\u00e0 120\u00b0C (1,8 MPa) \u1edf tr\u1ea1ng th\u00e1i ch\u01b0a \u1ee7. Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a n\u00f3 l\u00e0 1,43 g\/cm\u00b3, v\u1edbi t\u1ed1c \u0111\u1ed9 co ng\u00f3t theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y v\u00e0 theo h\u01b0\u1edbng vu\u00f4ng g\u00f3c l\u1ea7n l\u01b0\u1ee3t l\u00e0 1,6% v\u00e0 1,9%. \u0110\u1ed9 c\u1ee9ng Rockwell l\u00e0 82 (thang R).<\/span><\/p>\n

Nh\u1eefng \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi n\u00e0y l\u00e0m cho POM EC-610B tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt. \u0110\u1ed9 c\u1ee9ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 cho c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng nhi\u00ean li\u1ec7u v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n. Trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed, v\u1eadt li\u1ec7u POM th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u00e1nh r\u0103ng, \u1ed5 tr\u1ee5c v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn tr\u01b0\u1ee3t c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb. Trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n, POM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u0111\u1ea7u n\u1ed1i, c\u00f4ng t\u1eafc v\u00e0 v\u1ecf, th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3. Ngo\u00e0i ra, trong ng\u00e0nh h\u00e0ng ti\u00eau d\u00f9ng, POM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong kh\u00f3a k\u00e9o, ch\u1ed1t v\u00e0 tay c\u1ea7m, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/span><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
H\u00e0nh vi c\u01a1 h\u1ecdc<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n k\u00e9o<\/span><\/td>\nNgh\u1ec9 23\u00b0C<\/span><\/td>\nASTM D638<\/span><\/td>\n54<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 gi\u00e3n d\u00e0i<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D638<\/span><\/td>\n5<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
M\u00f4 \u0111un u\u1ed1n<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D790<\/span><\/td>\n2800<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D790<\/span><\/td>\n98<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng c\u1ee7a Izod Notch<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D256<\/span><\/td>\n26.53<\/span><\/td>\nkJ\/m2<\/span><\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng c\u1ee7a Izod Notch<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D256<\/span><\/td>\n3.06<\/span><\/td>\nkJ\/m2<\/span><\/td>\n<\/tr>\n
nhi\u1ec7t<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
HDT<\/span><\/td>\nKh\u00f4ng \u1ee7 0,45MPa<\/span><\/td>\nASTM D648<\/span><\/td>\n160<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
HDT<\/span><\/td>\n1.8MPa kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee7<\/span><\/td>\nASTM D648<\/span><\/td>\n120<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
T\u00e0i s\u1ea3n v\u1eadt ch\u1ea5t<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
T\u1ec9 tr\u1ecdng<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D792<\/span><\/td>\n1.43<\/span><\/td>\ng\/cm\u00b3<\/span><\/td>\n<\/tr>\n
co ng\u00f3t<\/span><\/td>\nCh\u1ea3y<\/span><\/td>\nTi\u00eau chu\u1ea9n ASTMD995<\/span><\/td>\n1.6<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
co ng\u00f3t<\/span><\/td>\nxFlow<\/span><\/td>\nTi\u00eau chu\u1ea9n ASTMD995<\/span><\/td>\n1.9<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
\u0111\u1ed9 c\u1ee9ng<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng Rockwell<\/span><\/td>\nR(T\u1ef7 l\u1ec7)<\/span><\/td>\nASTM D785<\/span><\/td>\n82<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\"POM<\/p>\n

Nh\u1ea5p v\u00e0o \u0111\u00e2y \u0111\u1ec3 t\u1ea3i xu\u1ed1ng TDS cho LUCEL POM EC-610B<\/span><\/a><\/p>","protected":false},"excerpt":{"rendered":"

Polyoxymethylene (POM), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acetal ho\u1eb7c Delrin, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c do c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3. POM, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acetal ho\u1eb7c nh\u1ef1a nhi\u1ec7t d\u1ebbo k\u1ef9 thu\u1eadt, l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 cao, \u0111\u1ed9 k\u1ebft tinh cao \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p formaldehyde. N\u00f3 ch\u1ee7 y\u1ebfu t\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng: homopolymer (POM-H) v\u00e0 copolymer (POM-K).<\/p>","protected":false},"author":1,"featured_media":609,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[35],"class_list":["post-646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-polyoxymethylene","tag-pom"],"jetpack_featured_media_url":"https:\/\/juyuans.com\/wp-content\/uploads\/2024\/06\/POM-21.jpg","_links":{"self":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/comments?post=646"}],"version-history":[{"count":0,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/646\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media\/609"}],"wp:attachment":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media?parent=646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/categories?post=646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/tags?post=646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}