inoa kemika | Hydroxypropyl Methyl Cellulose |
huaʻōlelo like | Cellulose ether;Hypromellose;Cellulose, 2-hydroxypropyl methyl ether;Hydroxypropyl methyl cellulose;HPMC;MHPC |
Helu CAS | 9004-65-3 |
Helu EC | 618-389-6 |
Brand | EipponCell |
Papa Huahana | HPMC YB 510M |
Ka hoʻoheheʻe | ʻO Cellulose Etera Hiki i ka wai |
ʻAno kino | ʻO ka pauka cellulose keʻokeʻo keʻokeʻo |
Methoxy | 19.0-24.0% |
Hydroxypropoxy | 4.0-12.0% |
Māmā | Max.6% |
PH | 4.0-8.0 |
2% solution viscosity Brookfield | 8000-12000 mPa.s |
NDJ 2% solution | 8000-12000 mPa.S |
ʻAno lehu | Max5.0% |
Ka nui mesh | 99% hala 100 mesh |
Hiki ke hoʻohana ʻia ʻo EipponCell HPMC YB 510M i ka pena wai a me ka wehe ʻana i ka pena.ʻO nā mea hoʻoneʻe pena he mau mea, nā mea hoʻoheheʻe a i ʻole nā paʻi, i hoʻolālā ʻia e hoʻoheheʻe a pehu paha i nā kiʻiʻoniʻoni.ʻO ka hapa nui o lākou nā solvents ikaika, paraffin, cellulose ether, a me nā mea ʻē aʻe.
I ka hana moku, hoʻohana mau ʻia nā ʻano hana like ʻole e like me ka ʻō ʻana i ka lima, ka puhi ʻana i ka pana, ke one, ka wai kiʻekiʻe, a me nā jet abrasive e hoʻohana mau ʻia e wehe i nā uhi kahiko.Eia nō naʻe, i ka wā e pili ana i nā hull alumini, hiki i kēia mau hana mechanical ke ʻoki i ka ʻili alumini.No laila, hoʻohana pinepine ʻia ka hoʻoliʻiliʻi ʻana i ka peʻa a me ka wehe ʻana i ka pena ma ke ʻano he kumu mua o ka wehe ʻana i ke kiʻi pena kahiko.
ʻO nā pōmaikaʻi o ka hoʻohana ʻana i ka mea hoʻoneʻe pena, ʻo ia ka hana kiʻekiʻe, ka hoʻohana ʻana i ka wela o ka lumi, ka liʻiliʻi o ka corrosion i nā metala, ka hoʻohana maʻalahi, a ʻaʻohe pono o nā mea hana hou. . Ua piʻi aʻe ka hoʻomohala ʻana o nā mea hoʻoneʻe pena hou, me nā mea ʻē aʻe e pili ana i ka wai, i kēia mau makahiki i hala. ʻO nā huahana flammable ua lilo mālie i mea maʻamau i ka mākeke lawe pena.
ʻO ke kumu mua o ka wehe ʻana i ka pena ke hilinaʻi nei i ka hoʻohana ʻana i nā solvents organik e hoʻoheheʻe a pehu i nā ʻano kiʻi ʻoniʻoni like ʻole, no laila e maʻalahi ai ka wehe ʻana i nā papa pena kahiko mai ka ʻili substrate.Ke komo ka mea wehe pena i nā āpau ma waena o nā kaulahao polymer i loko o ka uhi, hoʻomaka ia i ka pehu polymer.ʻO ka hopena, piʻi ka nui o ke kiʻi i uhi ʻia, e alakaʻi ana i ka hōʻemi ʻana i ke koʻikoʻi kūloko i hana ʻia e ka polymer hoʻonui.ʻO ka hopena, ʻo kēia nāwaliwali o ke koʻikoʻi kūloko e hoʻopau i ka pili ʻana ma waena o ke kiʻi i uhi ʻia a me ka substrate.
Ke hoʻomau nei ka hana ʻana o ka mea wehe i ka pena i ke kiʻiʻoniʻoni i uhi ʻia, e holomua ana ia mai ka pehu kūloko a hiki i ka pehu pepa ākea.ʻO kēia ka hopena i ka hana ʻana o nā wrinkles i loko o ka kiʻiʻoniʻoni i uhi ʻia a hoʻohaʻahaʻa loa i kona pili ʻana i ka substrate. ʻO ka hopena, lilo ka membrane i hoʻopili ʻia a hiki i kahi e hiki ke wehe maikaʻi ʻia mai ka ʻili.
Ma o kēia kaʻina hana, ʻo ka mea hoʻoheheʻe organik i loko o ka mea hoʻoneʻe pena e uhaki pono i nā paʻa kemika i loko o ke kiʻi uhi, hoʻonāwaliwali i kona kūpaʻa a me ka hana ʻana i nā kūlana no ka wehe ʻana. pena hou a i ʻole nā noi ʻē aʻe.
Hiki ke hoʻokaʻawale ʻia nā mea huki pena i ʻelua ʻano nui ma muli o ke ʻano o nā mea hana kiʻiʻoniʻoni a lākou e wehe ai.Hoʻohana ka ʻano mua i nā mea hoʻoheheʻe kūlohelohe e like me ketones, benzenes, a me ka volatilization retarder paraffin (i ʻike mau ʻia ʻo ka lotion keʻokeʻo).Hoʻohana mua ʻia kēia mau mea hoʻoneʻe pena e wehe i nā kiʻiʻoniʻoni pena kahiko i hana ʻia me nā pena i hoʻokumu ʻia i ka aila, alkyd-based, a i ʻole nitro-based.Hoʻokumu pinepine ʻia lākou me nā solvents organic volatile, hiki ke hōʻike i nā pilikia flammability a me nā mea ʻona.Eia naʻe, he mea maʻalahi lākou.
ʻO ke ʻano ʻelua o ka wehe ʻana i ka pena, he chlorinated hydrocarbon formulation, nona ka dichloromethane, paraffin, a me cellulose ether.Hoʻohana pinepine ʻia kēia ʻano e wehe i nā uhi kahiko i hoʻōla ʻia e like me ka epoxy asphalt, polyurethane, epoxy polyethylene, a i ʻole amino alkyd resins. ʻona haʻahaʻa, a me kahi ākea o nā noi.
Hiki ke hoʻokaʻawale ʻia nā mea hoʻoneʻe pena i loaʻa ka dichloromethane ma ke ʻano he mea hoʻoheheʻe mua ma muli o ka pH waiwai. me ka waiwai pH haʻahaʻa.
Hāʻawi kēia mau ʻano ʻokoʻa i nā koho no ka wehe pono ʻana i nā ʻano kiʻi ʻoniʻoni pena, e hāʻawi ana i nā pae like ʻole o ka ʻawaʻawa, ka pono, a me ke kūpono no ka noi. makemake palekana a me nā koi hana.
ʻO ka Pāka ʻOihana Kimia Mayu, Jinzhou City, Hebei, Kina
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ʻIke hou loa