{"id":635,"date":"2024-07-15T02:30:54","date_gmt":"2024-07-15T02:30:54","guid":{"rendered":"https:\/\/juyuans.com\/?p=635"},"modified":"2024-07-15T02:30:54","modified_gmt":"2024-07-15T02:30:54","slug":"lucel-pom-cf-620-nguyen-lieu-nhua","status":"publish","type":"post","link":"https:\/\/juyuans.com\/vi\/lucel-pom-cf-620-nguyen-lieu-nhua\/","title":{"rendered":"Nguy\u00ean li\u1ec7u nh\u1ef1a LUCEL POM CF-620"},"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 nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 cao, tinh th\u1ec3 cao \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p t\u1eeb formaldehyde v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. T\u00f9y thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p tr\u00f9ng h\u1ee3p, POM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh homopolymer (POM-H) v\u00e0 copolymer (POM-K). C\u1ea3 hai lo\u1ea1i POM \u0111\u1ec1u th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, v\u1edbi hi\u1ec7u su\u1ea5t \u0111\u1eb7c bi\u1ec7t n\u1ed5i b\u1eadt v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t.<\/span><\/p>\n

POM CF-620 l\u00e0 lo\u1ea1i POM \u0111\u1eb7c bi\u1ec7t kh\u00f4ng ch\u1ec9 k\u1ebf th\u1eeba nh\u1eefng \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi c\u1ee7a v\u1eadt li\u1ec7u POM m\u00e0 c\u00f2n t\u1ef1 h\u00e0o c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao v\u00e0 kh\u1ea3 n\u0103ng t\u1ef1 b\u00f4i tr\u01a1n \u0111\u00e1ng k\u1ec3. POM CF-620 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau, v\u1edbi h\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh l\u00e0 0,11 v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t \u0111\u1ed9ng l\u00e0 0,14. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 100\u00b0C v\u00e0 th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u v\u00e0 peroxide t\u1ed1t. Khi th\u00eam ch\u1ea5t \u1ed5n \u0111\u1ecbnh UV, kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

V\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, POM CF-620 \u0111\u1eb7c bi\u1ec7t n\u1ed5i b\u1eadt. \u1ede 23\u00b0C, n\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 118 MPa, m\u00f4 \u0111un u\u1ed1n l\u00e0 10800 MPa, \u0111\u1ed9 b\u1ec1n u\u1ed1n l\u00e0 176 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u00e0 3% v\u00e0 \u0111\u1ed9 c\u1ee9ng Rockwell l\u00e0 86. Ngo\u00e0i ra, POM CF-620 cho th\u1ea5y hi\u1ec7u su\u1ea5t va \u0111\u1eadp \u1ea5n t\u01b0\u1ee3ng, v\u1edbi \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp Izod c\u00f3 kh\u00eda l\u00e0 35,71 kJ\/m\u00b2 \u1edf 23\u00b0C.<\/span><\/p>\n

Nh\u1eefng \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i n\u00e0y c\u1ee7a POM CF-620 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed, linh ki\u1ec7n \u00f4 t\u00f4, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c. Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao v\u00e0 \u0111\u1eb7c t\u00ednh t\u1ef1 b\u00f4i tr\u01a1n khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n k\u1ef9 thu\u1eadt hi\u1ec7u su\u1ea5t cao.<\/span><\/p>\n

 <\/p>\n\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>\n118<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
H\u1ec7 s\u1ed1 ma s\u00e1t<\/span><\/td>\nN\u0103ng \u0111\u1ed9ng<\/span><\/td>\nTi\u00eau chu\u1ea9n ASTMD3702<\/span><\/td>\n0.14<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 gi\u00e3n d\u00e0i<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D638<\/span><\/td>\n3<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
M\u00f4 \u0111un u\u1ed1n<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D790<\/span><\/td>\n10800<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D790<\/span><\/td>\n176<\/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>\n35.71<\/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>\n4.08<\/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>\n165<\/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>\n165<\/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>\n1.48<\/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>\n0.3<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
co ng\u00f3t<\/span><\/td>\nxFlow<\/span><\/td>\nTi\u00eau chu\u1ea9n ASTMD995<\/span><\/td>\n0.7<\/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>\nM(T\u1ef7 l\u1ec7)<\/span><\/td>\nASTM D785<\/span><\/td>\n86<\/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 CF-620<\/a><\/span><\/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 nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 cao, tinh th\u1ec3 cao \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p t\u1eeb formaldehyde v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. T\u00f9y thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p tr\u00f9ng h\u1ee3p, POM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh homopolymer (POM-H) v\u00e0 copolymer (POM-K). C\u1ea3 hai lo\u1ea1i POM \u0111\u1ec1u th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, v\u1edbi hi\u1ec7u su\u1ea5t \u0111\u1eb7c bi\u1ec7t n\u1ed5i b\u1eadt v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t.<\/p>","protected":false},"author":1,"featured_media":607,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[35],"class_list":["post-635","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-19.jpg","_links":{"self":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/635","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=635"}],"version-history":[{"count":0,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/635\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media\/607"}],"wp:attachment":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media?parent=635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/categories?post=635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/tags?post=635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}