ʻO ka mālama wai he waiwai nui no nāʻoihana he nui e hoʻohana i nā mea e hoʻohana ai i nā mea e like me nā makuahine. ʻO Hydroxyproopopylgulloselfallose (HPMC)ʻo ia kekahi o nā mea e pili ana i nā mea e pili ana i nā waiwai ʻO HPMC kahi Palmc-synthetic polymer i loaʻa mai nā cellulose a maʻamau i hoʻohana pinepineʻia i loko o nāʻano noi i loko o ke kūkuluʻana i nā mea kūʻai aku a me nāʻoihana lāʻau lapaʻau.
Ua hoʻohana nuiʻiaʻo HPMC ma kahi o ka shuckerner, stabilizer a me Emulsifier i nā huahana meaʻai likeʻole e hoʻonui ai i kā lākou kiʻi Hoʻohana pūʻiaʻo Hpmc i ka hanaʻana o nā lāʻau lapaʻau i loko o kaʻoihana lāʻau lapaʻau e like me ka mea hoʻohana a me nā kiʻiʻoniʻoni Ua hoʻohanaʻia ia ma keʻano o ka wai-wai i loko o ka hale kūkulu hale,ʻoi aku ka nui a me ka lepo.
ʻO ka mālama wai he waiwai nui i kūkuluʻia no ka mea he kōkuaʻo ia i ka cement hou a me ka lepo mai ka maloʻoʻana. Hiki i ka maloʻo ke kumu i ka shlanction a me nā paleʻana, e hopena ana i nā mea nāwaliwali a me nā meaʻoleʻole. Kōkuaʻo HPMC e mālama i kaʻike wai i ka cement a me ka lepo ma ka laweʻana i ka wai i ka manawa a me ka paʻakikī.
ʻO ke kumu o ka wai e pili ana i ka HPMC e pili ana i kāna hydrophilicity. Ma muli o ke alo o nā hui hydroxyl Nā hui hydroxyl e launa pū me nā mollecules wai e hana i nā mea paʻa hydrogen, hopena i ka hoʻokumuʻana o kahi kaulahao. Eʻae ka mea hydrated
ʻO keʻano o ka HPMC kahi kaʻina hana koʻikoʻi e hilinaʻi i nā mea likeʻole e like me nāʻano o nā mea e like me keʻano o ka subsity (ds) ʻO ke kiʻekiʻe o ke hoʻololiʻana i nā mea e pili ana i ka helu o nā hui hydroxyl i kohoʻia ma keʻano he celilopslu ʻO ke kiʻekiʻe kiʻekiʻe o ka DS,ʻo ke kiʻekiʻe o ka hydrophilicity aʻoi aku ka maikaʻi o ka hana mālama wai. ʻO ka nui o ka'āpana o ka hpmc e pili ana i ka nui o ka wai, he mau'āpana liʻiliʻi e like me ka nui o ka wai ma kahi o ka wai Hoʻokomoʻia ka waiwai kālā a me PAM ma ke kau o ke kāʻei a me ke kiʻekiʻe o ka wai, a me nā haʻahaʻa loni a me lalo o ka hpmc.
ʻO ka hana mālamaʻana o ka wai e pili ana i ka hpmc e pili ana i nā kaʻinaʻelua: pili a me ka desorption a me ka desorption. I ka wā o ka laweʻana,ʻo HPMC e lawe ana i nā molehele wai mai ke kaiāulu e puni ana, e hana ana i kahi kaulahao e like me nā kaulahao polymer. Mālama ka meaʻoi hydastration i nā kaulahao polymer mai ka hinaʻana a mālama iā lākou e hoʻokaʻawale iā lākou, e alakaʻi ana e pale i ka HPMC. ʻO nā mollebules wai i hoʻopiliʻia i nā pūpū hydrogen me nā hui hydroxyl ma HPMC, hoʻonui i ka hana mālama wai.
I ka wā e hoʻokuʻu aku ai,ʻo HPMC e hoʻokuʻu i nā molekele wai, eʻae ana i ka hale hana e ho'ōla pono. ʻO ka wikiwiki o ka hoʻokuʻuʻana o nā molena wai e hoʻomau e hoʻomau i ka pauʻana o ka cement a me ka multi i ka hydrated piha, e hopena ana i kahiʻano paʻa. Hāʻawi ka hoʻokuʻu i ka wikiwiki o nā mollecules wai i nā lako wai i kaʻaiʻana a me ka hoʻonuiʻana i ke kaʻina hana e hoʻonui ai i ka ikaika.
Ma ka hōʻuluʻuluʻana, he waiwai nui ka nui o ka wai no nāʻoihana he nui e hoʻohana i nā mea hydrophilic e like me nā mea e like me nā nūhou. ʻO HPMC kekahi o nā mea e pili ana i ka nalu o ka wai me nā mea e loaʻa ana i nā waiwai o ka wai a me ka nui o ka hanaʻana i nā hale kūʻai a me nāʻoihana meaʻai. ʻO nā mea e pili ana i ka wai o HPMC e pili ana i kona hydrophilicity Hoʻopili ka līkē hydeged i ka HPMC e lele, a me ka hoʻihoʻi wikiwikiʻana i nā wai wai pale, hopena i ka hydegated noho paʻa.
POST manawa: Aug-24-2023