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{"id":25276,"date":"2018-04-04T22:38:17","date_gmt":"2018-04-04T15:38:17","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=25276"},"modified":"2018-04-04T22:38:17","modified_gmt":"2018-04-04T15:38:17","slug":"chuong-4-bai-16-dai-cuong-ve-polime","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/chuong-4-bai-16-dai-cuong-ve-polime\/","title":{"rendered":"Ch\u01b0\u01a1ng 4 – B\u00e0i 16: \u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 polime"},"content":{"rendered":"

B\u00e0i 1 (trang 89 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang?<\/strong><\/p>\n

A. Polime l\u00e0 h\u1ee3p ch\u1ea5t do nhi\u1ec1u ph\u00e2n t\u1eed monome h\u1ee3p th\u00e0nh.<\/strong><\/p>\n

B. Polime l\u00e0 h\u1ee3p ch\u1ea5t c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i l\u1edbn.<\/strong><\/p>\n

C. C\u00e1c polime \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng.<\/strong><\/p>\n

D. C\u00e1c polime \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

\u0110\u00e1p \u00e1n A, B<\/p>\n

B\u00e0i 2 (trang 89 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang:<\/strong><\/p>\n

A. Monome l\u00e0 nh\u1eefng ph\u00e2n t\u1eed nh\u1ecf tham gia v\u00e0o ph\u1ea3n \u1ee9ng t\u1ea1o n\u00ean polime<\/strong><\/p>\n

B. Monome l\u00e0 m\u1ed9t m\u1eaft x\u00edch trong ph\u00e2n t\u1eed polime.<\/strong><\/p>\n

C. Monome tham gia ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p ph\u1ea3i c\u00f3 li\u00ean k\u1ebft b\u1ed9i.<\/strong><\/p>\n

D. C\u00e1c h\u1ee3p ch\u1ea5t c\u00f3 2 nh\u00f3m ch\u1ee9c ho\u1eb7c c\u00f3 li\u00ean k\u1ebft b\u1ed9i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 monome.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

\u0110\u00e1p \u00e1n A, C<\/p>\n

\n
\n

B\u00e0i 3 (trang 90 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0H\u00e3y ph\u00e2n bi\u1ec7t c\u00e1c kh\u00e1i ni\u1ec7m sau v\u00e0 cho v\u00ed d\u1ee5 minh h\u1ecda:<\/strong><\/p>\n

a. Polime thi\u00ean nhi\u00ean, polime t\u1ed5ng h\u1ee3p v\u00e0 polime b\u00e1n t\u1ed5ng h\u1ee3p.<\/strong><\/p>\n

b. Polime c\u00f3 c\u1ea5u tr\u00fac \u0111i\u1ec1u h\u00f2a v\u00e0 c\u1ea5u tr\u00fac kh\u00f4ng \u0111i\u1ec1u ho\u00e0.<\/strong><\/p>\n

c. Polime m\u1ea1ch ph\u00e2n nh\u00e1nh v\u00e0 polime m\u1ea1ng kh\u00f4ng gian.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

a. Polime thi\u00ean nhi\u00ean l\u00e0 polime c\u00f3 ngu\u1ed3n g\u1ed1c thi\u00ean nhi\u00ean nh\u01b0 xenluloz\u01a1, cao su, tinh b\u1ed9t. vv…<\/p>\n

Polime t\u1ed5ng h\u1ee3p l\u00e0 polime do con ng\u01b0\u1eddi t\u1ed5ng h\u1ee3p n\u00ean nh\u01b0 polietilen, cao su buna, nilon-6,6, vv…<\/p>\n

Polime b\u00e1n t\u1ed5ng h\u1ee3p (nh\u00e2n t\u1ea1o) l\u00e0 polime do ch\u1ebf bi\u1ebfn m\u1ed9t ph\u1ea7n polime thi\u00ean nhi\u00ean nh\u01b0 t\u01a1 visco, t\u01a1 axetat, vv…<\/p>\n

b. Polime c\u00f3 c\u1ea5u tr\u00fac \u0111i\u1ec1u h\u00f2a l\u00e0 lo\u1ea1i polime c\u00f3 c\u00e1c m\u1eaft x\u00edch n\u1ed1i v\u1edbi nhau theo m\u1ed9t tr\u1eadt t\u1ef1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

Polime c\u1ea5u tr\u00fac kh\u00f4ng \u0111i\u1ec1u h\u00f2a l\u00e0 lo\u1ea1i polime c\u00f3 c\u00e1c m\u1eaft x\u00edch n\u1ed1i v\u1edbi nhau kh\u00f4ng theo m\u1ed9t tr\u1eadt t\u1ef1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

c. Polime m\u1ea1ch ph\u00e2n nh\u00e1nh l\u00e0 lo\u1ea1i polime c\u00f3 c\u00e1c m\u1eaft x\u00edch n\u1ed1i v\u1edbi nhau theo d\u1ea1ng ph\u00e2n nh\u00e1nh nh\u01b0 amilopectin, glicogen, vv…<\/p>\n

Polime m\u1ea1ng kh\u00f4ng gian l\u00e0 lo\u1ea1i polime c\u00f3 c\u00e1c m\u1eaft x\u00edch n\u1ed1i v\u1edbi nhau theo d\u1ea1ng m\u1ea1ng kh\u00f4ng gian. Th\u00ed d\u1ee5 cao su l\u01b0u h\u00f3a, nh\u1ef1a-bakel\u00edt, vv…<\/p>\n

B\u00e0i 4 (trang 90 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0H\u00e3y so s\u00e1nh ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p v\u00e0 ph\u00e1n \u1ee9ng tr\u00f9ng ng\u01b0ng (\u0111\u1ecbnh ngh\u0129a, c\u1ea5u t\u1ea1o c\u1ee7a monome v\u00e0 ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a polime so v\u1edbi monome). L\u1ea5y v\u00ed d\u1ee5 minh H\u1ecda.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n\n\n\n\n
S\u1ef1 tr\u00f9ng h\u1ee3p<\/td>\nS\u1ef1 tr\u00f9ng ng\u01b0ng<\/td>\n<\/tr>\n
– Ph\u1ea3n \u1ee9ng l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p nhi\u1ec1u ph\u00e2n t\u1eed nh\u1ecf th\u00e0nh ph\u00e2n t\u1eed l\u1edbn<\/p>\n

– Monome tham gia ph\u1ea3n \u1ee9ng ph\u1ea3i c\u00f3 li\u00ean k\u1ebft b\u1ed9i (CH2<\/sub>=CH2<\/sub>; CH2<\/sub>=CH-Cl) hay v\u00f2ng k\u00e9m b\u1ec1n<\/p>\n

– Ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a polime b\u1eb1ng t\u1ed5ng ph\u00e2n t\u1eed kh\u1ed1i c\u00e1c monome tham gia ph\u1ea3n \u1ee9ng<\/td>\n

– Ph\u1ea3n \u1ee9ng l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p nhi\u1ec1u ph\u00e2n t\u1eed nh\u1ecf th\u00e0nh ph\u00e2n t\u1eed l\u1edbn \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng nhi\u1ec1u ph\u00e2n t\u1eed nh\u1ecf kh\u00e1c.<\/p>\n

– Monome tham gia ph\u1ea3n \u1ee9ng ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t hai nh\u00f3m ch\u1ee9c c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng (CH2<\/sub>OH-CH2<\/sub>OH; H2<\/sub>N-CH2<\/sub>-COOH,…)<\/p>\n

– Ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a polime nh\u1ecf h\u01a1n t\u1ed5ng ph\u00e2n t\u1eed kh\u1ed1i c\u00e1c monome tham gia ph\u1ea3n \u1ee9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V\u00ed d\u1ee5 :<\/p>\n

\"\"<\/p>\n

B\u00e0i 5 (trang 90 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng sau:<\/strong><\/p>\n

a. Polime kh\u00f4ng bay h\u01a1i \u0111\u01b0\u1ee3c.<\/strong><\/p>\n

b. Polime kh\u00f4ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y x\u00e1c \u0111\u1ecbnh.<\/strong><\/p>\n

c. Nhi\u1ec1u polime kh\u00f4ng tan ho\u1eb7c kh\u00f3 tan trong c\u00e1c dung m\u00f4i th\u00f4ng th\u01b0\u1eddng.<\/strong><\/p>\n

d. Dung d\u1ecbch polime c\u00f3 \u0111\u1ed9 nh\u1edbt cao.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

a. Polime c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed r\u1ea5t l\u1edbn n\u00ean kh\u00f4ng bay h\u01a1i \u0111\u01b0\u1ee3c<\/p>\n

b. polime l\u00e0 ch\u1ea5t c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i r\u1ea5t l\u1edbn, kh\u00f4ng x\u00e1c \u0111\u1ecbnh (ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a polime ch\u1ec9 gi\u00e1 tr\u1ecb trung b\u00ecnh) n\u00ean kh\u00f4ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y x\u00e1c \u0111\u1ecbnh.<\/p>\n

c. C\u0169ng do kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed r\u1ea5t l\u1edbn, l\u1ef1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c ph\u00e2n t\u1eed c\u0169ng l\u1edbn n\u00ean c\u00e1c polime h\u1ea7u nh\u01b0 kh\u00f4ng tan ho\u1eb7c kh\u00f3 tan trong c\u00e1c dung m\u00f4i th\u00f4ng th\u01b0\u1eddng.<\/p>\n

d. Do kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed polime l\u1edbn n\u00ean chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u00fang kh\u00f4ng linh ho\u1ea1t => \u0111\u1ed9 nh\u1edbt th\u01b0\u1eddng cao \u1edf c\u1ea3 tr\u1ea1ng th\u00e1i n\u00f3ng ch\u1ea3y v\u00e0 trong dung d\u1ecbch<\/p>\n

B\u00e0i 6 (trang 90 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng v\u00e0 x\u1ebfp lo\u1ea1i c\u00e1c ph\u1ea3n \u1ee9ng polime h\u00f3a (tr\u00f9ng h\u1ee3p, tr\u00f9ng ng\u01b0ng) c\u00e1c monome sau:<\/strong><\/p>\n

a. CH3<\/sub>CH=CH2<\/sub>;<\/strong><\/p>\n

b. CH2<\/sub>=CCl-CH=CH2<\/sub><\/strong><\/p>\n

c. CH2<\/sub>=CH-CH=CH2<\/sub>\u00a0v\u00e0 CH2<\/sub>=CH-CN<\/strong><\/p>\n

d. CH2<\/sub>OH-CH2<\/sub>OH v\u00e0 m-C6<\/sub>H4<\/sub>(COOH)2<\/sub>\u00a0(axit isophtalic);<\/strong><\/p>\n

e. NH2<\/sub>\u00a0-CH(CH3<\/sub>) -[CH2<\/sub>\u00a0]10COOH.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

\"\"<\/p>\n

a, b, c thu\u1ed9c lo\u1ea1i ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p<\/p>\n

d, e thu\u1ed9c lo\u1ea1i ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng<\/p>\n

B\u00e0i 7 (trang 90 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Cho bi\u1ebft c\u00e1c monome d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf c\u00e1c polime sau:<\/strong><\/p>\n<\/div>\n<\/div>\n

\"\"<\/p>\n

L\u1eddi Gi\u1ea3i<\/strong><\/p>\n

\"\"<\/p>\n

B\u00e0i 8 (trang 90 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0H\u1ec7 s\u1ed1 polime h\u00f3a l\u00e0 g\u00ec? C\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u1ec7 s\u1ed1 polime h\u00f3a \u0111\u01b0\u1ee3c kh\u00f4ng? T\u00ednh h\u1ec7 s\u1ed1 polime h\u00f3a c\u1ee7a PE, PVC v\u00e0 xenluloz\u01a1, bi\u1ebft r\u1eb1ng ph\u00e2n t\u1eed kh\u1ed1i trung b\u00ecnh c\u1ee7a ch\u00fang l\u1ea7n l\u01b0\u1ee3t l\u00e0 420.000, 250.000, 1.620.000.<\/strong><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

S\u1ed1 c\u00e1c \u0111\u01a1n v\u1ecb m\u1eaft x\u00edch li\u00ean k\u1ebft v\u1edbi nhau trong ph\u00e2n t\u1eed polime :<\/p>\n

N\u00f3i chung kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u1ec7 s\u1ed1 polime h\u00f3a do ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a polime l\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/p>\n

PE<\/p>\n

\"\"<\/p>\n

28n = 420000 \u2192 n = 15000<\/p>\n

PVC<\/p>\n

\"\"<\/p>\n

625n = 250000 \u2192 n = 4000<\/p>\n

Xenlulozo (C6<\/sub>H10<\/sub>O5<\/sub>)n<\/sub>\u00a0162n = 1620000 \u2192 n = 10000<\/p>\n

\n
<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 (trang 89 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang? A. Polime l\u00e0 h\u1ee3p ch\u1ea5t do nhi\u1ec1u ph\u00e2n t\u1eed monome h\u1ee3p th\u00e0nh. B. Polime l\u00e0 h\u1ee3p ch\u1ea5t c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i l\u1edbn. C. C\u00e1c polime \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng. D. C\u00e1c polime \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p […]<\/p>\n","protected":false},"author":3,"featured_media":25277,"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 16: \u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 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-16-dai-cuong-ve-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 16: \u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 polime\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 89 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang? A. Polime l\u00e0 h\u1ee3p ch\u1ea5t do nhi\u1ec1u ph\u00e2n t\u1eed monome h\u1ee3p th\u00e0nh. B. Polime l\u00e0 h\u1ee3p ch\u1ea5t c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i l\u1edbn. C. C\u00e1c polime \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng. D. 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