{"id":117860,"date":"2022-07-26T09:27:54","date_gmt":"2022-07-26T01:27:54","guid":{"rendered":"https:\/\/www.alpapowder.com\/117860\/"},"modified":"2022-07-22T09:40:37","modified_gmt":"2022-07-22T01:40:37","slug":"phuong-phap-bien-doi-be-mat-va-thiet-ke-chuc-nang-cua-tro-bay","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117860\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng c\u1ee7a tro bay"},"content":{"rendered":"

\"\"<\/p>\n

Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 t\u00e1i c\u1ea5u tr\u00fac c\u00e1c h\u1ea1t tro bay l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n ch\u00ednh \u0111\u1ec3 c\u1ea3i thi\u1ec7n vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao. Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t tro bay v\u00e0 n\u1ea1p m\u1ed9t s\u1ed1 ph\u1ee5 gia ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng m\u1edbi. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 gi\u00e1 tr\u1ecb gia t\u0103ng c\u1ee7a tro bay, c\u00f3 th\u1ec3 huy \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1ef1 nhi\u1ec7t t\u00ecnh c\u1ee7a doanh nghi\u1ec7p \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u1eadn d\u1ee5ng s\u00e2u tro bay, v\u00e0 th\u00fac \u0111\u1ea9y vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean s\u00e2u c\u1ee7a tro bay.<\/p>\n

T\u00ecnh tr\u1ea1ng hi\u1ec7n t\u1ea1i c\u1ee7a c\u00f4ng ngh\u1ec7 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t tro bay<\/p>\n

B\u1eb1ng c\u00e1ch bi\u1ebfn \u0111\u1ed5i than nghi\u1ec1n th\u00e0nh b\u1ed9t, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n, c\u00f3 th\u1ec3 ph\u00e1t huy hi\u1ec7u qu\u1ea3 h\u1ea5p ph\u1ee5 t\u1ed1t h\u01a1n. S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i v\u1eadt l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0i c\u01a1 h\u1ecdc, x\u1eed l\u00fd vi s\u00f3ng, s\u00f3ng si\u00eau \u00e2m v\u00e0 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 cao, v.v., c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac m\u1ea1ng c\u1ee7a th\u00e2n th\u1ee7y tinh tro bay, t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3 v\u00e0 c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eeb c\u1ee7a tro bay h\u1ea1t b\u1eb1ng l\u1edbp ph\u1ee7. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i, ch\u1eb3ng h\u1ea1n nh\u01b0 bi\u1ebfn \u0111\u1ed5i l\u1eeda, bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t d\u1ecbch, bi\u1ebfn \u0111\u1ed5i axit, bi\u1ebfn \u0111\u1ed5i ki\u1ec1m, bi\u1ebfn \u0111\u1ed5i mu\u1ed1i kho\u00e1ng, x\u1eed l\u00fd oxit canxi, v.v., c\u0169ng c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac m\u1ea1ng silicat, th\u00fac \u0111\u1ea9y s\u1ef1 h\u00f2a tan b\u1ec1 m\u1eb7t c\u1ee7a th\u00e2n th\u1ee7y tinh v\u00e0 c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i ion.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc c\u0169ng bao g\u1ed3m s\u1eeda \u0111\u1ed5i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t cation, x\u1eed l\u00fd ch\u1ea5t k\u1ebft n\u1ed1i v\u00e0 x\u1eed l\u00fd axit stearic.<\/p>\n

C\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t cation c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t \u0111i\u1ec7n b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t tro bay v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang, v\u00e0 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i kh\u00e1c nhau; axit stearic c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch bi\u1ebfn t\u00ednh k\u1ef5 n\u01b0\u1edbc, l\u00e0m tro bay trong polyme (Nh\u01b0 PVC, PP) l\u00e0m ch\u1ea5t \u0111\u1ed9n; Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd bi\u1ebfn t\u00ednh ch\u1ea5t k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a b\u1ec1 m\u1eb7t th\u1ee7y tinh v\u00e0 kim lo\u1ea1i, v.v … C\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 t\u1ed1t trong vi\u1ec7c x\u1eed l\u00fd tro bay, v\u00e0 \u0111\u00e3 cho th\u1ea5y k\u1ebft qu\u1ea3 t\u1ed1t trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n

Thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t tro bay<\/p>\n

C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng v\u00e0 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t tro bay, th\u00f4ng th\u01b0\u1eddng th\u00f4ng qua vi\u1ec7c thi\u1ebft k\u1ebf c\u00e1c nh\u00f3m tr\u00ean b\u1ec1 m\u1eb7t, sau \u0111\u00f3 n\u1ea1p c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng d\u1ef1a tr\u00ean tro bay.<\/p>\n

(1) V\u1eadt li\u1ec7u m\u00e0ng k\u1ef5 n\u01b0\u1edbc d\u1ef1a tr\u00ean tro bay<\/p>\n

M\u00e0ng k\u1ef5 n\u01b0\u1edbc c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e2y t\u01b0\u1eddng b\u00ean ngo\u00e0i, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, v\u00e0 nh\u1eefng n\u01a1i ch\u1ed1ng n\u1ea5m m\u1ed1c. V\u00ed d\u1ee5, b\u1ec1 m\u1eb7t c\u1ee7a tro bay than \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh k\u1ef5 n\u01b0\u1edbc v\u1edbi g\u00f4m nh\u1ef1a th\u00f4ng ph\u00e2n t\u00e1n cation \u0111\u1ec3 chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u s\u1ee3i k\u1ef5 n\u01b0\u1edbc.<\/p>\n

Tro bay \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1eb1ng axit stearic, v\u00e0 sau \u0111\u00f3 m\u1ed1i quan h\u1ec7 gi\u1eefa n\u1ed3ng \u0111\u1ed9 th\u1ec3 t\u00edch s\u1eafc t\u1ed1 v\u00e0 n\u1ed3ng \u0111\u1ed9 th\u1ec3 t\u00edch s\u1eafc t\u1ed1 t\u1edbi h\u1ea1n trong v\u1eadt li\u1ec7u composite h\u1eefu c\u01a1 \/ v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111\u1eb7c t\u00ednh k\u1ef5 n\u01b0\u1edbc c\u1ee7a m\u00e0ng.<\/p>\n

N\u00f3i m\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u, v\u1eadt li\u1ec7u m\u00e0ng k\u1ef5 n\u01b0\u1edbc \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng tro bay c\u00f3 chi ph\u00ed th\u1ea5p, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ea5m m\u1ed1c, v\u00e0 c\u00f3 t\u00ednh th\u1ef1c ti\u1ec5n cao.<\/p>\n

(2) V\u1eadt li\u1ec7u ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m composite d\u1ef1a tr\u00ean tro bay<\/p>\n

V\u1eadt li\u1ec7u \u0111i\u1ec1u h\u00f2a \u0111\u1ed9 \u1ea9m d\u1ef1a tr\u00ean tro bay l\u00e0 v\u1eadt li\u1ec7u \u0111i\u1ec1u h\u00f2a \u0111\u1ed9 \u1ea9m t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c polyme \u01b0a n\u01b0\u1edbc v\u00e0 mu\u1ed1i sau khi bi\u1ebfn t\u00ednh \u01b0a n\u01b0\u1edbc c\u1ee7a tro bay, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf \u0111\u1ec3 chu\u1ea9n b\u1ecb b\u1ed9t ho\u1eb7c s\u01a1n. \u0110\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c nhau, n\u00f3 c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m th\u1ee5 \u0111\u1ed9ng, th\u00f4ng minh, chi ph\u00ed th\u1ea5p, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

(3) V\u1eadt li\u1ec7u b\u1eaft gi\u1eef foman\u0111ehit<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng tro bay bi\u1ebfn t\u00ednh \u0111\u1ec3 n\u1ea1p ch\u1ea5t kh\u1eed formaldehyde t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c k\u1ebft h\u1ee3p hai hi\u1ec7u \u1ee9ng h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd v\u00e0 trung h\u00f2a h\u00f3a h\u1ecdc. M\u1ed9t m\u1eb7t, formaldehyde \u0111\u01b0\u1ee3c h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd s\u1ebd ph\u1ea3n \u1ee9ng v\u1edbi ch\u1ea5t nh\u1eb7t r\u00e1c, v\u00e0 kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec v\u1ec1 qu\u00e1 tr\u00ecnh gi\u1ea3i h\u1ea5p, gi\u00fap lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n formaldehyde; N\u00f3 r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf formaldehyde ho\u00e0n to\u00e0n h\u01a1n.<\/p>\n

T\u1eadn d\u1ee5ng ch\u1ea5t thu gom formaldehyde tr\u00ean b\u1ec1 m\u1eb7t tro bay, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u l\u00e0m s\u1ea1ch m\u00f4i tr\u01b0\u1eddng v\u1edbi hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi, c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng r\u1ea5t cao. V\u1eeba mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf, v\u1eeba mang l\u1ea1i l\u1ee3i \u00edch x\u00e3 h\u1ed9i r\u1ea5t t\u1ed1t.<\/p>\n

S\u1ef1 bi\u1ebfn \u0111\u1ed5i ch\u1ee9c n\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a tro bay c\u00f3 t\u00ednh th\u00edch h\u1ee3p r\u1ea5t cao, c\u00f3 th\u1ec3 bi\u1ebfn tro bay ch\u1ea5t th\u1ea3i r\u1eafn th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng. T\u00f3m l\u1ea1i, ch\u1ec9 c\u00f3 vi\u1ec7c t\u1eadn d\u1ee5ng tro bay m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd, \u0111\u1ea7y \u0111\u1ee7 v\u00e0 c\u00f3 chi\u1ec1u s\u00e2u m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 bi\u1ebfn tro bay kh\u00f4ng c\u00f2n l\u00e0 ch\u1ea5t th\u1ea3i r\u1eafn n\u1eefa m\u00e0 tr\u1edf th\u00e0nh m\u1ed9t nguy\u00ean li\u1ec7u c\u00f4ng nghi\u1ec7p v\u1edbi gi\u00e1 th\u00e0nh r\u1ebb v\u00e0 hi\u1ec7u qu\u1ea3 tuy\u1ec7t v\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"

Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 t\u00e1i c\u1ea5u tr\u00fac c\u00e1c h\u1ea1t tro bay l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n ch\u00ednh \u0111\u1ec3 c\u1ea3i thi\u1ec7n vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao. Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t tro bay v\u00e0 n\u1ea1p m\u1ed9t s\u1ed1 ph\u1ee5 gia ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng m\u1edbi. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 gi\u00e1 tr\u1ecb gia t\u0103ng c\u1ee7a tro bay, c\u00f3 th\u1ec3 huy \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1ef1 nhi\u1ec7t t\u00ecnh c\u1ee7a doanh nghi\u1ec7p \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u1eadn d\u1ee5ng s\u00e2u tro bay, v\u00e0 th\u00fac \u0111\u1ea9y vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean s\u00e2u c\u1ee7a tro bay.<\/p>\n","protected":false},"author":7,"featured_media":117835,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-117860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=117860"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/117835"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=117860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=117860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=117860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}