ʻEtera palaoa hydroxypropyl (HPS)a meʻEtera celluloseʻElua mau mea hoʻohui kemika kūkulu maʻamau, i hoʻohana nui ʻia i nā mea kūkulu hale, e like me ka mortar, ka pauka putty, nā uhi, a me nā mea ʻē aʻe. ʻOiai he like ko lākou i kekahi mau waiwai, aia nā ʻokoʻa koʻikoʻi ma nā ʻano he nui e like me nā kumu waiwai maka, nā ʻano kemika, nā waiwai kino, nā hopena noi, a me nā kumukūʻai.
1. Nā kumu waiwai maka a me ke ʻano kemika
ʻEtera palaoa hydroxypropyl (HPS)
Hoʻokumu ʻia ka HPS ma ka starch kūlohelohe a loaʻa ma o ka hopena hoʻololi etherification. ʻO kāna mau mea maka nui he kulina, palaoa, ʻuala a me nā mea kanu kūlohelohe ʻē aʻe. Hana ʻia nā molekala starch me nā ʻāpana glucose i hoʻopili ʻia e nā pilina α-1,4-glycosidic a me kahi liʻiliʻi o nā pilina α-1,6-glycosidic. Ma hope o ka hydroxypropylation, hoʻokomo ʻia kahi hui hydroxypropyl hydrophilic i loko o ka ʻōnaehana molekala HPS, e hāʻawi ana iā ia i kekahi mau hana mānoanoa, paʻa wai a me ka hoʻololi.
ʻEtera cellulose
Loaʻa nā ethers cellulose mai ka cellulose kūlohelohe, e like me ka pulupulu a i ʻole ka lāʻau. Hana ʻia ka cellulose me nā ʻāpana glucose i hoʻopili ʻia e nā pilina β-1,4-glycosidic. ʻO nā ethers cellulose maʻamau e komo pū me ka hydroxypropyl methylcellulose (HPMC), methylcellulose (MC), hydroxyethyl cellulose (HEC), a me nā mea ʻē aʻe. Hoʻolauna kēia mau hui i nā mea pani like ʻole ma o nā hopena etherification a loaʻa iā lākou ke kūpaʻa kemika kiʻekiʻe a me nā waiwai kino.
2. Nā waiwai kino
Nā ʻano hana o HPS
Mānoanoa: He hopena mānoanoa maikaʻi ko HPS, akā i ka hoʻohālikelike ʻia me ka cellulose ether, ʻoi aku ka nāwaliwali o kona hiki ke mānoanoa.
Ka paʻa ʻana o ka wai: Loaʻa iā HPS ka paʻa ʻana o ka wai ma kahi kūpono a kūpono ia no nā mea kūkulu hale haʻahaʻa a waena.
Ka Hana: Hiki i ka HPS ke hoʻomaikaʻi i ka hana o ka mortar a hōʻemi i ka sagging i ka wā o ke kūkulu ʻana.
Ke kūpaʻa mahana: He ʻike nui ka HPS i ka mahana a ua hoʻopilikia nui ʻia e ka mahana ambient.
Nā ʻano hana o nā ethers cellulose
Mānoanoa: He hopena mānoanoa ikaika ko ka Cellulose ether a hiki ke hoʻonui nui i ka viscosity o ka mortar a i ʻole ka putty.
Ka paʻa ʻana o ka wai: Loaʻa i ka Cellulose Ether nā waiwai paʻa wai maikaʻi loa, ʻoi aku hoʻi i nā wahi wela kiʻekiʻe, hiki ke hoʻolōʻihi i ka manawa wehe o ka wili a pale i ka nalowale ʻana o ka wai.
Ka Hana: He maikaʻi loa ka Cellulose ether i ka hoʻomaikaʻi ʻana i ka hana a hiki ke hōʻemi pono i nā pilikia e like me ka haki ʻana a me ka pauka ʻana.
Ke kū'ē'ē mahana: Loaʻa i ka Cellulose Ether ka ikaika o ke kūpono i nā loli o ka mahana a me ka hana paʻa.
3. Nā hopena noi
Ka hopena o ka hoʻopili ʻana oHPS
I loko o ka mortar maloʻo, ʻo ka hana nui a HPS ka hoʻomaikaʻi ʻana i ka hana, ka hoʻomaikaʻi ʻana i ka paʻa ʻana o ka wai, a me ka hōʻemi ʻana i ka delamination a me ka segregation. He waiwai ia a kūpono no ka hoʻohana ʻana i nā hiʻohiʻona me nā koi kaohi kumukūʻai kiʻekiʻe, e like me ka pauka putty paia o loko maʻamau, ka mortar leveling papahele, a pēlā aku.
Ka hopena o ka noi ʻana o ka cellulose ether
Nā ʻetera cellulosehoʻohana nui ʻia i nā mortars hana kiʻekiʻe, nā mea hoʻopili tile, nā mea gypsum a me nā ʻōnaehana insulation paia o waho. ʻO kona mau waiwai mānoanoa a me ka paʻa wai kiʻekiʻe e hiki ke hoʻomaikaʻi nui i ka ikaika hoʻopaʻa a me ka hana anti-slip o ka mea, a kūpono loa ia no nā papahana i loaʻa nā koi kiʻekiʻe ma ka hana kūkulu a me ka maikaʻi o ka huahana i hoʻopau ʻia.
4. Ke kumukūʻai a me ka palekana o ke kaiapuni
kumukūʻai:
He haʻahaʻa ke kumukūʻai o HPS a kūpono no ka hoʻohana ʻana i nā mākeke koʻikoʻi i ke kumukūʻai. He pipiʻi iki nā cellulose ethers, akā he hana maikaʻi loa a kūpono hoʻi i ke kumukūʻai i nā papahana kūkulu koʻikoʻi.
Ka palekana o ke kaiapuni:
Ua loaʻa nā mea ʻelua mai nā mea kūlohelohe a he mau waiwai maikaʻi ko lākou no ke kaiapuni. Eia nō naʻe, no ka mea, ʻoi aku ka liʻiliʻi o nā reagents kemika i hoʻopau ʻia i ke kaʻina hana o HPS, hiki ke emi kona kaumaha no ke kaiapuni.
5. Kumu koho
Nā koi hana: Inā he kiʻekiʻe kāu mau koi no ka mānoanoa a me nā waiwai paʻa wai, pono ʻoe e koho i ka cellulose ether; no nā mea i pili i ke kumukūʻai akā koi i kekahi mau hoʻomaikaʻi i ka hana, hiki iā ʻoe ke noʻonoʻo e hoʻohana i ka HPS.
Nā hiʻohiʻona hoʻohana: ʻO ke kūkulu ʻana i ka mahana kiʻekiʻe, ka pale ʻana o ka paia o waho, ka hoʻopili tile a me nā hiʻohiʻona ʻē aʻe e pono ai ke kākoʻo hana kiʻekiʻe e kūpono no ka cellulose ether; no ka putty paia o loko maʻamau a i ʻole ka mortar maʻamau, hiki iā HPS ke hāʻawi i nā hopena hoʻokele waiwai a me ka pono.
ʻEtera palaoa hydroxypropyla meʻEtera cellulose Loaʻa i kēlā me kēia ko lākou mau pono ponoʻī a he ʻokoʻa ko lākou kuleana i nā mea kūkulu hale. Pono e noʻonoʻo pono ʻia ke koho ʻana ma muli o nā koi hana, ka kaohi kumukūʻai, ke kahua kūkulu a me nā mea ʻē aʻe o ka papahana kikoʻī e hoʻokō ai i ka hopena hoʻohana maikaʻi loa.
Ka manawa hoʻouna: Nov-21-2024