Wahi a nā helu helu, e loaʻa iā Kina he 302 miliona mau kaʻa ma Dekemaba 2021. Ua hāʻawi mālie ka mākeke mea kūʻai aku i ke koi paʻa i nā lole kaʻa ʻike ʻole ʻia i ka hoʻomau ʻana o ka nui o nā kaʻa a ke piʻi nei ke koi no ka mālama ʻana i ka pena. I ke alo o kahi mākeke mea kūʻai aku e hoʻonui ana, ke hoʻomehana nei ka hoʻokūkū ma waena o nā ʻoihana lole kaʻa ʻike ʻole ʻia. ʻO ke ʻano o kēia manawa, ʻo ka hoʻokūkū haʻahaʻa e kau ana ma ke kumukūʻai, ʻoiai ʻo ka hoʻokūkū kiʻekiʻe e kau ana ma nā paepae loea.
ʻO ka mea huna o ka papa hydrophobic o ka ʻili pale (1)
Ma muli o ke ʻano like ʻole o nā huahana o kēia wā, ʻo ka pahuhopu hope loa o ke kaua kumukūʻai, ʻo ia ke hōʻeha i ka hoa paio ma ka tausani a nalowale i ʻewalu haneli. Ma ka hilinaʻi wale ʻana i ka ʻenehana holomua e ʻike i kahi ala e puka ai a hoʻokumu i ka ʻokoʻa huahana hiki iā mākou ke hopu i nā manawa kūʻai hou.
E hoʻolohe i ka ʻenehana hou o ka uhi ʻana i ke kapa kaʻa a hopu i ka holo ʻana o ka ʻoihana
ʻO ka uhi kaʻa, e like me kā mākou e ʻike nei, he anti-scratch, resistance-wash, a me nā hiʻohiʻona ʻē aʻe. Loaʻa kēia mau ʻano mai ka substrate TPU o ka uhi kaʻa. ʻO kahi uhi kaʻa mea TPU maikaʻi e pale maikaʻi i ka ʻili pena a he ola lawelawe lōʻihi. ʻO kekahi hana koʻikoʻi o ka uhi kaʻa, ʻo ia ka hoʻomaʻemaʻe ponoʻī, ka hoʻoponopono ponoʻī, a me ka hoʻomālamalama kiʻekiʻe. Loaʻa kēia mau hana mai ka uhi ʻana ma luna o ka ʻili o ka substrate TPU. ʻO ke ʻano o kēlā papa ʻaʻole wale ia e wehewehe i ka hana hoʻomaʻemaʻe ponoʻī maikaʻi loa, akā ʻo ia kekahi o nā mea nui loa i ka hoʻoholo ʻana i ke ʻano o ke kaʻa. ʻO ka hopena, ke kūʻai aku nā mea kūʻai i nā lole kaʻa e mālama i ke ʻano o ke kaʻa i kēlā me kēia lā, nānā nui lākou i ka hana hoʻomaʻemaʻe ponoʻī o ka uhi.
Aia kahi ʻokoʻa ma waena o ka kokoke a me ka mamao, a ʻoi aku ka maoli o ka uhi kaʻa uhi hydrophobic!
Hoʻolaha ʻia nā uhi kaʻa ʻike ʻole he nui me ka hana hoʻomaʻemaʻe ponoʻī, akā aia kahi nīnau e pili ana i ka hopena. Pono nā hale kūʻai kiʻiʻoniʻoni he nui i ke kōkua e hoʻomaopopo. Aia nā ʻano hydrophilic a me hydrophobic o nā uhi kaʻa ʻike ʻole ʻia. I kēia lā e kamaʻilio mākou e pili ana i kēia ʻokoʻa pili.
Ua ʻike kekahi mau mea nona nā kaʻa i ke kaʻina hana o ka hoʻohana ʻana ma hope o ka ua ʻana, i ka wā e mahu ai ka wai, e ʻike ʻia nā kiko ua ʻeleʻele a keʻokeʻo paha ma luna o ka ʻili o ke kaʻa i ʻike ʻole ʻia, e like me ke kiʻi ma lalo nei.
Wahi a nā poʻe loea o ka ʻoihana, ʻo ke kumu nui o kēia, ʻaʻole hydrophobic ka uhi o ke kaʻa, no laila e pipili nā kulu wai i ka uhi kaʻa a ʻaʻole e kahe i lalo. Ke mahu ka wai, hana nā mea i koe i nā watermark, nā ʻōpala wai, a me nā ʻāpana ua. Manaʻo ʻia ʻaʻole lawa ka liʻiliʻi o ka uhi. I kēlā kūlana, e komo pū nā mea i koe i loko o ka membrane, e hopena ana i nā ʻōpala ua hiki ʻole ke holoi ʻia a holoi ʻia paha, e hōʻemi nui ana i ke ola lawelawe o ka membrane.
He hydrophilic a hydrophobic paha ka uhi ʻahu o ke kaʻa? Pehea e ʻokoʻa ai kēia?
Ma mua o ko kākou aʻo ʻana e hoʻokaʻawale, pono kākou e hoʻomaopopo mua i ke kumumanaʻo o ka hydrophilic a me ka hydrophobic.
Ma ke ʻano microscopic, ʻo ke kihi pili ma waena o kahi kulu wai a me ka ʻili o ka membrane e hoʻoholo ai inā he hydrophilic a hydrophobic paha. ʻO kahi kihi pili ma lalo o 90° he hydrophilic, ʻo kahi kihi pili ma lalo o 10° he super hydrophilic, ʻo kahi kihi pili ʻoi aku ma mua o 90° he hydrophobic, a ʻo kahi kihi pili ma mua o 150° he Super-hydrophobic.
ʻO ka mea huna o ka papa hydrophobic o ka ʻili pale (2) Ma ke ʻano o ka uhi ʻana o ka uhi kaʻa, inā e hana ʻia ka hopena hoʻomaʻemaʻe ponoʻī. He hopena hiki ke hana ʻia ma ke kumumanaʻo, inā paha e hoʻomaikaʻi i ka hydrophobicity a i ʻole ka hydrophobicity. ʻO ka hopena hoʻomaʻemaʻe ponoʻī, ma ka ʻaoʻao ʻē aʻe, ʻoi aku ka maikaʻi ke emi ka kihi hoʻopili hydrophilic ma mua o 10 degere, a ʻaʻole pono e hoʻonui ʻia ka ʻili hydrophobic i kiʻekiʻe loa e hana i kahi hopena hoʻomaʻemaʻe ponoʻī maikaʻi.
Ua hana kekahi mau ʻoihana i nā hoʻokolohua helu. ʻO ka hapa nui o nā uhi kaʻa ma ka mākeke i kēia lā he mau uhi hydrophilic. I ka manawa like, ua ʻike ʻia ʻaʻole hiki i nā uhi uhi kaʻa o kēia wā ke hiki i ka super hydrophilicity o 10°, a ʻo ka hapa nui o nā kihi pili he 80°-85°, me ka liʻiliʻi o ke kihi pili he 75°.
ʻO ka hopena, hiki ke hoʻomaikaʻi ʻia ka hopena hoʻomaʻemaʻe ponoʻī o ka uhi kaʻa hydrophilic o ka mākeke. ʻO kēia no ka mea, ma hope o ke kau ʻana i ka uhi kaʻa hydrophilic invisible, piʻi aʻe ka ʻāpana o ke kino e pili ana i ka wai ʻino i nā lā ua, e hoʻonui ana i ka hiki ke loaʻa nā ʻōpala a me ka pipili ʻana i ka ʻili pena, kahi paʻakikī ke hoʻomaʻemaʻe.
Wahi a nā loea, ʻoi aku ka maʻalahi o ke kaʻina hana o nā uhi hydrophilic a ʻoi aku ka liʻiliʻi o ke kumukūʻai ma mua o nā uhi hydrophobic. I ka hoʻohālikelike ʻana, pono nā uhi hydrophobic i ka hoʻokomo ʻia ʻana o nā mea nano-hydrophobic oleophobic, a he paʻakikī loa nā koi o ke kaʻina hana, kahi i hiki ʻole i ka hapa nui o nā ʻoihana ke hoʻokō—no laila ke kaulana o ka ʻaʻahu huila wai.
Eia nō naʻe, he mau pono kūikawā ko ka uhi kaʻa hydrophobic i ka hoʻoponopono ʻana i ka pilikia o ka hopena hoʻomaʻemaʻe ponoʻī maikaʻi ʻole o nā uhi kaʻa ʻike ʻole ʻia no ka mea ua like ka hopena o ka uhi hydrophobic me ka hopena lau lotus.
ʻO ka mea huna o ka papa hydrophobic o ka ʻili pale (3) ʻO ka hopena o ka lau lotus, ma hope o ka ua, ʻo ke ʻano microscopic ʻino a me ka wax epidermal ma ka ʻili o ka lau lotus e pale aku i nā kulu wai mai ka laha ʻana a me ka hoʻopili ʻana ma ka ʻili o ka lau, akā e hana i nā kulu wai. I ka manawa like, wehe ia i ka lepo a me ka lepo mai nā lau.
ʻO ka mea huna o ka papa hydrophobic o ka ʻili pale (4)
Ke kau ʻia ma luna o ka ʻaʻahu kaʻa hydrophobic, ua hōʻike ʻia i ka wā e hāʻule ai ka wai ua ma luna o ka ʻili o ka membrane, hana ia i nā kulu wai ma muli o ke koʻikoʻi o ka ʻili o ka uhi hydrophobic. E paheʻe wale nā kulu wai a haʻalele i ka ʻili o ka membrane ma muli o ke koʻikoʻi. Hiki i nā kulu wai ʻōwili ke wehe i ka lepo a me ka sludge mai ka ʻili o ka membrane, e hana ana i kahi hopena hoʻomaʻemaʻe ponoʻī.
Pehea e hoʻokaʻawale ai inā he hydrophilic a hydrophobic paha ka uhi ʻana o ke kaʻa?
ʻElua ala nui:
1. E hoʻohana i nā mea hana ʻoihana e ana i ke kihi pili.
2. ʻŌwili ʻia ka wai ma luna o ka ʻili o ka membrane e hana i kahi loiloi mua.
Hoʻopili maʻalahi nā kulu wai ma luna o ka ʻili hydrophilic maʻamau. ʻAʻole e hana ʻia nā kulu wai ma luna o kahi ʻili hydrophilic loa. ʻO ka ʻili wale nō e pulu; e ulu pū nā kulu wai ma luna o nā ʻili hydrophobic, akā e kahe lākou me ka umekaumaha. , hui a neʻe aku, maloʻo ka ʻili, a ʻoi aku ka ikaika o ka hopena super-hydrophobic.
ʻO ka hopena, ke kau ʻia ka wai ma luna o ka ʻaʻahu o ke kaʻa, hana ia i nā momi i hoʻopuehu ʻia, paʻakikī ke kahe ʻana, a ʻo ka hapa nui o ia mea he uhi hydrophilic. Hui pū nā kulu wai a holo aku, e hōʻike ana i ka ʻili, kahi i uhi nui ʻia me nā uhi hydrophobic.
Ka manawa hoʻouna: Sep-15-2022
