Focus on Cellulose ethers

He aha ka mea maka o ka pā putty?

He aha ka mea maka o ka pā putty?

He mea hana kaulana ʻo Wall putty i hoʻohana ʻia ma nā hale noho a me nā hale kalepa.He mea maʻalahi ia i hoʻohana ʻia no ka hoʻomaʻamaʻa ʻana a me ka hoʻopau ʻana i nā paia o loko a me waho ma mua o ka pena ʻana a i ʻole ka wallpapering.Hoʻokumu ʻia ka putty pā i nā ʻano mea maka i hui pū ʻia e hana i mea like me ka paʻi mānoanoa.Ma kēia ʻatikala, e kūkākūkā mākou i nā mea maka o ka putty pā i nā kikoʻī.

Sima keʻokeʻo:
ʻO ka sima keʻokeʻo ka mea mua i hoʻohana ʻia i ka putty pā.He mea hoʻopaʻa hydraulic i hana ʻia mai ka clinker keʻokeʻo a me ka gypsum.He kiʻekiʻe keʻokeʻo keʻokeʻo keʻokeʻo a he haʻahaʻa haʻahaʻa o ka hao a me ka manganese oxide.ʻOi aku ka maikaʻi ma ka pā putty no ka mea e hāʻawi ana i ka hoʻopau maʻemaʻe i nā paia, loaʻa nā waiwai adhesion maikaʻi, a kū i ka wai.

ʻO ka pauka marble:
ʻO ka pauka marble kahi huahana o ka ʻoki marble a me ka polishing.Hoʻopili maikaʻi ʻia a hoʻohana ʻia i ka putty pā e hoʻonui i kona ikaika a paʻa.ʻO ka pauka marble he mineral maoli i waiwai i ka calcium a loaʻa nā waiwai hoʻopaʻa maikaʻi.Kōkua ia i ka hōʻemi ʻana i ka hoʻohaʻahaʻa ʻana o ka putty a hāʻawi i ka hoʻopau maʻalahi i nā paia.

ʻO ka pauka pā:
ʻO ka pauka Talcum kahi mineral palupalu i hoʻohana ʻia i ka putty pā e hoʻomaikaʻi i kāna hana a hoʻemi i ka viscosity o ka hui ʻana.He lepo maikaʻi a he kiʻekiʻe ka maʻemaʻe.Kōkua ʻo Talcum pauka i ka hoʻohana maʻalahi o ka putty a hoʻomaikaʻi i kona pili ʻana i nā paia.

Pālolo Kina:
ʻO ka pālolo Kina, i kapa ʻia ʻo kaolin, he mineral maoli ia i hoʻohana ʻia i ka putty pā i mea hoʻopiha.He ʻili maikaʻi a he keʻokeʻo kiʻekiʻe.ʻO ka pālolo Kina he mea kūʻai ʻole i hoʻohana ʻia e hoʻomaikaʻi i ka nui o ka putty a hoʻemi i kona kumukūʻai.

ʻO ka pauka Mika:
ʻO ka pauka Mika he mineral maoli ia i hoʻohana ʻia i ka putty pā e hāʻawi i kahi hoʻopau nani i nā paia.Hoʻopili maikaʻi ʻia a loaʻa kahi kiʻekiʻe o ka noʻonoʻo.Kōkua ʻo Mika pauka i ka hōʻemi ʻana i ka porosity o ka putty a hāʻawi i ke kūpaʻa maikaʻi i ka wai.

Ke one silika:
ʻO ke one silica kahi mineral kūlohelohe i hoʻohana ʻia i ka putty pā i mea hoʻopiha.He lepo maikaʻi a he kiʻekiʻe ka maʻemaʻe.Kōkua ke one silica i ka hoʻomaikaʻi ʻana i ka ikaika o ka putty a hoʻemi i kona emi ʻana.He kōkua nō hoʻi ia i ka hoʻomaikaʻi ʻana i ka pili ʻana o ka putty i nā paia.

wai:
He mea nui ka wai o ka putty pā.Hoʻohana ʻia ia e hui pū i nā mea maka a hana i kahi mea e like me ka paʻi.Kōkua ka wai i ka hoʻoulu ʻana i nā waiwai paʻa o ka sima a hāʻawi i ka wai kūpono i ka hui ʻana.

Nā mea hoʻohui kemika:
Hoʻohana ʻia nā mea hoʻohui kemika i ka putty pā e hoʻomaikaʻi i kāna mau waiwai a me kāna hana.ʻO kēia mau mea hoʻohui me nā retarders, accelerators, plasticizers, a me nā mea hana wai.Hoʻohana ʻia nā retarders e hoʻolōʻihi i ka manawa hoʻonohonoho o ka putty, ʻoiai hoʻohana ʻia nā accelerators e wikiwiki i ka manawa hoʻonohonoho.Hoʻohana ʻia nā plasticizers e hoʻomaikaʻi i ka hana a hoʻemi i ka viscosity o ka putty, ʻoiai hoʻohana ʻia nā mea hana wai wai e hana ai i ka wai pale.

Methyl celluloseHe ʻano maʻamau o ka cellulose ether i hoʻohana ʻia i ka putty pā.Hana ʻia ia e ka hoʻololi kemika o ka cellulose maoli me ka methanol a me ka alkali.ʻO ka Methyl cellulose ka pauka keʻokeʻo, ʻaʻala ʻole, a ʻono ʻole i hiki ke hoʻoheheʻe ʻia i ka wai a hana i kahi hopena maʻemaʻe a paʻakikī.Loaʻa iā ia nā waiwai mālama wai maikaʻi a hoʻomaikaʻi i ka hana o ka putty.Hāʻawi ka Methyl cellulose i ka hoʻopili maikaʻi ʻana i nā substrate like ʻole a hoʻomaikaʻi i ka ikaika tensile o ka putty.

ʻO ka hydroxyethyl cellulose kekahi ʻano cellulose ether i hoʻohana ʻia i ka putty pā.Hana ʻia ia e ka hoʻololi kemika o ka cellulose maoli me ka hoʻohana ʻana i ka ethylene oxide a me ka alkali.ʻO ka Hydroxyethyl cellulose he pauka keʻokeʻo, ʻaʻala ʻole, a ʻono ʻole i hiki ke hoʻoheheʻe ʻia i ka wai a hana i kahi hopena akaka a paʻa.Loaʻa iā ia nā waiwai mālama wai maikaʻi a hoʻomaikaʻi i ka hana o ka putty.Hāʻawi pū ka Hydroxyethyl cellulose i ka hoʻopili maikaʻi ʻana i nā substrate like ʻole a hoʻomaikaʻi i ka ikaika tensile o ka putty.

Hoʻohana pū ʻia ʻo Carboxymethyl cellulose i ka putty pā e like me ka mānoanoa a me ka mea hoʻopili.Hana ʻia ia e ka hoʻololi kemika o ka cellulose maoli me ka hoʻohana ʻana i ka waikawa monochloroacetic a me ka alkali.ʻO Carboxymethyl cellulose kahi pauka keʻokeʻo, ʻala ʻole a ʻono ʻole i hiki ke hoʻoheheʻe ʻia i loko o ka wai a hoʻokumu i kahi hopena akaka a paʻakikī.Loaʻa iā ia nā waiwai mālama wai maikaʻi a hoʻomaikaʻi i ka hana o ka putty.Hāʻawi pū ka Carboxymethyl cellulose i ka hoʻopili maikaʻi ʻana i nā substrate like ʻole a hoʻomaikaʻi i ka ikaika tensile o ka putty.

 

I ka hopena, ua haku ʻia ka putty pā i nā ʻano mea maka i hui pū ʻia e hana i mea like me ka paste.ʻO ka mea maka mua i hoʻohana ʻia i ka putty pā he sima keʻokeʻo, aʻo nā mea maka ʻē aʻe e pili ana i ka pauka marble, ka pauka talcum, ka pālolo china, ka pauka mika, ke one silica, ka wai, a me nā mea hoʻohui kemika.Ua koho ʻia kēia mau mea maka no kā lākou mau waiwai kikoʻī, e like me ke keʻokeʻo, nā waiwai hoʻopaʻa, ka hana, a me ka lōʻihi, e hāʻawi i ka hoʻopau ʻoluʻolu a nani hoʻi i nā paia.

 

 


Ka manawa hoʻouna: Mar-07-2023
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