He aha ka mānoanoa kūpono o ka hydroxypropyl methylcellulose (HPMC)?
ʻO ke kumukūʻai maʻamau o ka pauka Putty he 100,000 yuan, a ʻoi aku ke kiʻekiʻe o nā koi no ka mortar, a he 150,000 yuan ka mea e pono ai no ka hoʻohana maʻalahi. Eia kekahi, ʻo ka hana nui loa o HPMC ka paʻa ʻana i ka wai, a ukali ʻia e ka mānoanoa. I loko o ka pauka putty, inā maikaʻi ka paʻa ʻana o ka wai a haʻahaʻa ka viscosity (70,000-80,000), hiki nō hoʻi. ʻOiaʻiʻo, ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. Ke ʻoi aku ka viscosity ma mua o 100,000, e hoʻopilikia ka viscosity i ka paʻa ʻana o ka wai. ʻAʻole nui hou.
He aha nā ʻano hoʻoheheʻe o ka hydroxypropyl methylcellulose (HPMC)?
(1) Keʻokeʻo: ʻOiai ʻaʻole hiki iā Baidu ke hoʻoholo inā maʻalahi ka hoʻohana ʻana i ka HPMC, a inā hoʻohui ʻia nā mea hoʻokeʻokeʻo i ka wā o ke kaʻina hana, e hoʻopilikia ʻia kona maikaʻi. Eia nō naʻe, ʻo ka hapa nui o nā huahana maikaʻi he keʻokeʻo maikaʻi.
(2) Maikaʻi: ʻO ka maikaʻi o ka HPMC ma ke ʻano maʻamau he 80 mesh a me 100 mesh, a ʻoi aku ka liʻiliʻi o 120 mesh. ʻO ka hapa nui o HPMC i hana ʻia ma Hebei he 80 mesh. ʻO ka maikaʻi o ka maikaʻi, ma ke ʻano laulā, ʻoi aku ka maikaʻi.
(3) Ka hoʻoili ʻana o ka mālamalama: e hoʻokomo i ka hydroxypropyl methylcellulose (HPMC) i loko o ka wai e hana i kahi colloid moakaka, a e nānā i kona hoʻoili ʻana o ka mālamalama. ʻOi aku ka nui o ka hoʻoili ʻana o ka mālamalama, ʻoi aku ka maikaʻi, e hōʻike ana he emi nā mea hiki ʻole ke hoʻoheheʻe ʻia i loko. . ʻOi aku ka maikaʻi o ka permeability o nā reactors vertical, a ʻoi aku ka ʻino o nā reactors horizontal, akā ʻaʻole ia he manaʻo ʻoi aku ka maikaʻi o ke ʻano o nā reactors vertical ma mua o nā reactors horizontal, a ua hoʻoholo ʻia ke ʻano o ka huahana e nā kumu he nui. (4) Ke kaumaha kikoʻī: ʻOi aku ka nui o ke kaumaha kikoʻī, ʻoi aku ka maikaʻi o ke kaumaha. Nui ka kikoʻī, ma ke ʻano nui no ka mea he kiʻekiʻe ka nui o ka hui hydroxypropyl i loko, a he kiʻekiʻe ka nui o ka hui hydroxypropyl, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai.
He aha ka hana nui o ka hoʻopili ʻana o HPMC i ka pauka putty, a ke hana nei ia ma ke ʻano kemika?
I loko o ka pauka putty, hoʻokani ʻo HPMC i ʻekolu mau kuleana o ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana.
Mānoanoa: Hiki ke hoʻomānoanoa ʻia ka cellulose e hoʻokuʻu a mālama i ka wai like i luna a i lalo, a pale aku i ka sagging.
Ka paʻa ʻana o ka wai: e hoʻomaloʻo mālie i ka pauka putty, a kōkua i ka lehu calcium e pane ma lalo o ka hana a ka wai.
Ke Kūkulu ʻana: Loaʻa i ka Cellulose kahi hopena lubricating, hiki ke hana i ka pauka putty i kūkulu maikaʻi ʻia. ʻAʻole komo ʻo HPMC i kekahi hopena kemika, akā he hana kōkua wale nō. ʻO ka hoʻohui ʻana i ka wai i ka pauka putty a kau iā ia ma ka paia he hopena kemika, no ka mea, ua hoʻokumu ʻia nā mea hou. Inā ʻoe e wehe i ka pauka putty ma ka paia mai ka paia, wili iā ia i pauka, a hoʻohana hou, ʻaʻole ia e hana no ka mea ua hoʻokumu ʻia nā mea hou (calcium carbonate).
ʻO nā ʻāpana nui o ka pauka kalipuna lehu: kahi hui ʻana o Ca(OH)2, CaO a me kahi liʻiliʻi o CaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O kalipuna lehu i loko o ka wai a me ka ea Ma lalo o ka hana a CO2, hoʻopuka ʻia ka kalipuna kalapona, ʻoiai ʻo HPMC e mālama wale i ka wai, e kōkua ana i ka hopena maikaʻi o ka kalipuna lehu, a ʻaʻole ia e komo i kekahi hopena ponoʻī.
ʻO ka pilina ma waena o ka mānoanoa a me ka mahana o HPMC, he aha ka mea e pono e hoʻolohe ʻia i ka hoʻohana pono ʻana?
ʻO ke ʻano mānoanoa o HPMC he kūlike ʻole ia me ka mahana, ʻo ia hoʻi, piʻi ka mānoanoa i ka emi ʻana o ka mahana. ʻO ke ʻano mānoanoa o kahi huahana a mākou e ʻōlelo pinepine ai e pili ana i ka hopena hoʻāʻo o kāna hopena wai 2% ma ka mahana o 20 degere Celsius.
I nā hana kūpono, pono e hoʻomaopopo ʻia ma nā wahi me nā ʻokoʻa nui o ka mahana ma waena o ke kauwela a me ka hoʻoilo, ua ʻōlelo ʻia e hoʻohana i kahi viscosity haʻahaʻa i ka hoʻoilo, kahi mea e ʻoi aku ka maikaʻi no ke kūkulu ʻana. A i ʻole, i ka wā e haʻahaʻa ai ka mahana, e piʻi aʻe ka viscosity o ka cellulose, a e kaumaha ka manaʻo lima i ka wā e ʻoki ai.
Ka mānoanoa waena: 75000-100000 i hoʻohana nui ʻia no ka putty
Ke kumu: mālama maikaʻi i ka wai
ʻO ke kiʻekiʻe o ka mānoanoa: 150000-200000 ka mea i hoʻohana nui ʻia no ka pauka ʻokiʻoki polystyrene particle insulation mortar rubber a me ka mortar insulation microbead vitrified.
Kumu: kiʻekiʻe ka mānoanoa, ʻaʻole maʻalahi ka hāʻule ʻana o ka palaki, e palupalu ana, kahi e hoʻomaikaʻi ai i ke kūkulu ʻana.
Ka manawa hoʻouna: Mei-18-2023