Ch\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Nh\u00f3m c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c polime tr\u00f9ng ng\u01b0ng l\u00e0: A. Cao su; nilon-6,6; t\u01a1 nitron B. t\u01a1 axetat; nilon-6,6 C. nilon -6,6; t\u01a1 lapsan ; th\u1ee7y tinh plexiglas D. nilon-6,6; t\u01a1 lapsan; nilon-6 L\u1eddi gi\u1ea3i: \u0110\u00e1p \u00e1n B\u00e0i 2 (trang 99 sgk H\u00f3a […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-04T15:32:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/bai-3-trang-99-sgk-hoa-12-nang-cao.png\" \/>\n\t<meta property=\"og:image:width\" content=\"380\" \/>\n\t<meta property=\"og:image:height\" content=\"97\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/\",\"name\":\"Ch\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-04-04T15:32:32+00:00\",\"dateModified\":\"2018-04-04T15:32:32+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 4 – B\u00e0i 17: V\u1eadt li\u1ec7u polime\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n","yoast_head_json":{"title":"Ch\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime","og_description":"B\u00e0i 1 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Nh\u00f3m c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c polime tr\u00f9ng ng\u01b0ng l\u00e0: A. 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B\u00e0i 1 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Nh\u00f3m c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c polime tr\u00f9ng ng\u01b0ng l\u00e0:<\/strong><\/p>\n

\n
\n
B\u00e0i 2 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0a. N\u00eau nh\u1eefng \u0111i\u1ec3m gi\u1ed1ng v\u00e0 kh\u00e1c nhau v\u1ec1 t\u00ednh ch\u1ea5t gi\u1eefa c\u00e1c v\u1eadt li\u1ec7u polime : Ch\u1ea5t d\u1ebbo, t\u01a1, cao su v\u00e0 keo d\u00e1n?<\/strong><\/p>\n
b. Ph\u00e2n bi\u1ec7t ch\u1ea5t d\u1ebbo v\u00e0 v\u1eadt li\u1ec7u compozit<\/strong><\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
a) Gi\u1ed1ng nhau: \u0110\u1ec1u c\u00f3 th\u00e0nh ph\u1ea7n polime<\/p>\n
Kh\u00e1c nhau: V\u1ec1 t\u00ednh ch\u1ea5t:<\/p>\n
+ Ch\u1ea5t d\u1ebbo: c\u00f3 t\u00ednh d\u1ebbo<\/p>\n
+ T\u01a1: h\u00ecnh s\u1ee3i d\u00e0i, m\u1ea3nh, m\u1ec1m, dai<\/p>\n
+ cao su; C\u00f3 t\u00ednh \u0111\u00e0n h\u1ed3i<\/p>\n
+ Keo d\u00e1n: c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft d\u00ednh<\/p>\n
b) Ch\u1ea5t d\u1ebbo: l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u polime c\u00f3 t\u00ednh d\u1ebbo<\/p>\n
V\u1eadt li\u1ec7u compozit l\u00e0 v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p g\u1ed3m \u00edt nh\u1ea5t hai th\u00e0nh ph\u1ea7n ph\u00e2n t\u00e1n v\u00e0o nhau m\u00e0 kh\u00f4ng tan v\u00e0o nhau<\/p>\n
B\u00e0i 3 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng t\u1eeb metan \u0111i\u1ec1u ch\u1ebf ra : vinyl clorua, vinyl axetat, acrilonitril (vinyl xianua : CH_{2<\/sub>=CH-CN) v\u00e0 metyl acrylat (CH_{2<\/sub>=CHCOOCH_{3<\/sub>)<\/strong><\/p>\n}}}
b) H\u00e3y n\u00eau m\u1ed9t th\u00ed d\u1ee5 ( c\u00f3 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng) \u0111\u1ec3 ch\u1ee9ng t\u1ecf r\u1eb1ng c\u00f3 th\u1ec3 \u0111i t\u1eeb etilen \u0111i\u1ec1u ch\u1ebf c\u00e1c monome tr\u00ean v\u1edbi gi\u00e1 th\u00e0nh th\u00e1p h\u01a1n. Gi\u1ea3i th\u00edch?<\/strong><\/p>\n
c) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p m\u1ed7i monome \u1edf tr\u00ean v\u00e0 g\u1ecdi t\u00ean polime t\u1ea1o th\u00e0nh<\/strong><\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
a) T\u1eeb metan \u0111i\u1ec1u ch\u1ebf<\/p>\n
vinyl clorua<\/p>\n
$\"\"$ <\/p>\n
vinyl axetat<\/p>\n
$\"\"$ <\/p>\n
acrilonitril (vinyl xianua : CH_{2<\/sub>=CH-CN)<\/p>\n}
$\"\"$ <\/p>\n
metyl acrylat (CH_{2<\/sub>=CHCOOCH_{3<\/sub>)<\/p>\n}}
$\"\"$ <\/p>\n
c) Tr\u00f9ng h\u1ee3p c\u00e1c monome<\/p>\n
$\"\"$ <\/p>\n
B\u00e0i 4 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Ph\u00e2n t\u1eed kh\u1ed1i trung b\u00ecnh c\u1ee7a poli (hexametylen adipamit) \u0111\u1ec3 ch\u1ebf t\u1ea1o t\u01a1 nilon 6,6 l\u00e0 30000, c\u1ee7a cao su t\u1ef1 nhi\u00ean l\u00e0 105000. H\u00e3y t\u00ednh s\u1ed1 m\u1eaft x\u00edch (tr\u1ecb s\u1ed1 n) trung b\u00ecnh trong ph\u00e2n t\u1eed c\u1ee7a m\u1ed7i lo\u1ea1i polime tr\u00ean.<\/strong><\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
T\u01a1 nilon -6,6<\/p>\n
$\"\"$ <\/p>\n
C\u00f3 M = 30000 = 226n \u2192 n \u2248 133<\/p>\n
Cao su t\u1ef1 nhi\u00ean<\/p>\n
$\"\"$ <\/p>\n
c\u00f3 M = 105000 = 68n \u2192 n =1544<\/p>\n
\n
\n
B\u00e0i 5 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Cao su l\u01b0u h\u00f3a ch\u1ee9a 2% l\u01b0u hu\u1ef3nh. H\u00e3y t\u00ednh xem kho\u1ea3ng bao nhi\u00eau m\u1eaft x\u00edch isopren c\u00f3 m\u1ed9t c\u1ea7u n\u1ed1i \u0111isunfua \u2013S-S- , gi\u1ea3 thi\u1ebft r\u1eb1ng S \u0111\u00e3 thay th\u1ebf cho H \u1edf nh\u00f3m metylen trong m\u1ea1ch cao su<\/strong><\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Gi\u1ea3 s\u1eed n l\u00e0 s\u1ed1 m\u1eaft x\u00edch isopren c\u00f3 m\u1ed9t c\u1ea7u n\u1ed1i \u2013S-S-:<\/p>\n
$\"\"$ <\/p>\n
+ 2S \u2192 C_{5n<\/sub>H_{8n-2<\/sub>S_{2<\/sub><\/p>\n}}}
%S = (2.32.100):(68n + 62)=2 \u2192 n = 46<\/p>\n
V\u1eady kho\u1ea3ng 46 m\u1eaft x\u00edch isopren c\u00f3 m\u1ed9t c\u1ea7u n\u1ed1i \u2013S-S-<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Nh\u00f3m c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c polime tr\u00f9ng ng\u01b0ng l\u00e0: A. Cao su; nilon-6,6; t\u01a1 nitron B. t\u01a1 axetat; nilon-6,6 C. nilon -6,6; t\u01a1 lapsan ; th\u1ee7y tinh plexiglas D. nilon-6,6; t\u01a1 lapsan; nilon-6 L\u1eddi gi\u1ea3i: \u0110\u00e1p \u00e1n B\u00e0i 2 (trang 99 sgk H\u00f3a […]<\/p>\n","protected":false},"author":3,"featured_media":25267,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1306],"tags":[1436,1435],"yoast_head":"\nCh\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-4-bai-17-vat-lieu-polime\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 4 - B\u00e0i 17: V\u1eadt li\u1ec7u polime\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 99 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Nh\u00f3m c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c polime tr\u00f9ng ng\u01b0ng l\u00e0: A. 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