I ka manawa like, hiki iā ia ke hoʻomaikaʻi i ka ikaika compressive a me ka ikaika shear oHPMC hydroxypropyl methyl cellulose, hoʻomaikaʻi hou i ka hopena maoli o ka hana ʻenekinia, hoʻomaikaʻi maikaʻi. Hiki i ka HPMC hydroxypropyl methyl cellulose ke hoʻomaikaʻi i ka ikaika adhesive o ka pauka putty, e hōʻemi i ke kūlana hoʻokuʻu, e hōʻoia i ka holomua o ka hana ʻenehana. Hiki i ka Hydroxypropyl methyl cellulose ke hoʻonui i ka manawa holo a hoʻoponopono i ka pilikia o ka hollow a me ka lawa ʻole o ka ikaika compressive kumu i ke kaʻina hana ʻenehana.
ʻO ka hana paʻa wai kiʻekiʻe o ka mīkini hana ʻenekinia a me ka mortar putty hiki ke hoʻohui pono i ke kaʻa, a hiki ke hoʻomaikaʻi i ka ikaika compressive paʻa o ka mortar. I ka manawa like, hiki ke hoʻomaikaʻi maikaʻi ʻia ka ikaika compressive a me ka ikaika shear o hydroxypropyl methyl cellulose e hoʻomaikaʻi hou i ka hopena maoli o ka hana ʻenehana a hoʻomaikaʻi i ka pono.
keiki pale wai,HPMCʻO ka hydroxypropyl methyl cellulose, ka hopena o ka hydroxypropyl methyl cellulose i loko o ka pauka putty, e pale i ka maloʻo a me ka maloʻo ʻana ma muli o ka wikiwiki o ka wai. Hiki i ka Hydroxypropyl methyl cellulose ke hoʻomaikaʻi i ka ikaika adhesive o ka pauka putty, e hōʻemi i ke kūlana hoʻokuʻu, e hōʻoia i ka kūleʻa o ka hana ʻenehana.
HPMC hydroxypropyl methyl cellulose kī me ka wai laka, mānoanoa, pulu a me nā hopena ʻē aʻe, mānoanoa, pulu a me nā hopena ʻē aʻe i kekahi hopena hoʻonohonoho mua. Hiki i ka Hydroxypropyl methyl cellulose ke hoʻonui i ka manawa holo a hoʻoponopono i ka pilikia o ka hollow a me ka lawa ʻole o ka ikaika compressive kumu i ke kaʻina hana ʻenehana.
HPMC hydroxypropyl methyl cellulose i loko o ka paia insulation mortar pāʻani i ke kuleana koʻikoʻi i ka hoʻopili ʻana i ka hopena, a hoʻonui i ka ikaika compressive o nā mea maka. He mea maʻalahi loa ka mortar e uhi, hoʻomaikaʻi i ka pono, me ka hana kumu o ka hoʻokuʻu anti-flow a me ka hopena kūpono. ʻO ka hana paʻa wai o ka hydroxypropyl methyl cellulose hiki ke hoʻonui i ka manawa holo o ka mortar, hoʻomaikaʻi i ke kū'ē i ka consolidation a me ka heleuma, hoʻomaikaʻi i ka maikaʻi o ka ʻili, a hoʻomaikaʻi i ka ikaika compressive o ka hoʻopaʻa ʻana.
ʻO ka mea hoʻopaʻa paʻa wai-soluble tile e wehe i ka pono o nā ʻili papa a me nā kumu i hoʻomoʻa mua ʻia a pulu paha, e hoʻomaikaʻi hou i ka ikaika compressive paʻa. ʻO ka slurry engineering kūkulu manawa lōʻihi, meticulous, symmetrical, kūpono 'enekinia hana, me ka maikai moisture kū'ē.
Ma ke kahua o ka hale lole latex maoli, hiki ke hoʻohana ʻia ka hydroxypropyl methyl cellulose e like me ka mea hana kiʻiʻoniʻoni, tackifier, demulsifier a me ka mānoanoa, i ʻoi aku ka maikaʻi o ke kiʻi ʻoniʻoni i ka pale ʻana, ka wai a me ka hoʻopili. Ua wehewehe maikaʻi ʻia ka pH i hoʻohana ʻia no ka hoʻomaikaʻi ʻana i ka naʻau interfacial, a maikaʻi ka hui ʻana me ka hopena organik a maikaʻi hoʻi.
ʻO ka hoʻomohala waiwai ʻO nā uhi hoʻolālā he ikaika maikaʻi, ke kūpaʻa wai maikaʻi a me ke kūpaʻa ʻelemakule maikaʻi. He kī nui ke ʻano hoʻolālā hoʻolālā hoʻoheheʻe pōhaku maoli. Hoʻokumu ʻia kahi ton o ka lacquer kiʻekiʻe ma kahi o 300KG maʻemaʻe styrene-acrylic emulsion, 650KG maʻemaʻe wai pōhaku kūlohelohe a me nā mea ʻē aʻe. Hōʻike ʻia nā lacquers maoli kiʻekiʻe e ka nui o nā lotion moisturizing. Ke 50% ka wai o ka emulsion, ka nui o 300KG moisturizing emulsion ma hope o ka maloʻo ʻana ma kahi o 150 lita, a ʻo ka nui o 650KG ke one kaumaha ma kahi o 228 lita. ʻO ia hoʻi, i kēia hihia, ʻo ka pena pōhaku maoli (ka waihoʻoluʻu hoʻopaʻa ʻana i ka waiwai) he 60%. Ma muli o ka nui o ka nui a me ka ʻike ʻole ʻia o ke one maikaʻi, ma lalo o ka manaʻo o kekahi ʻano loiloi nui, ʻo ka uhi ʻana o ka paia waho maloʻo a puni ka waiwai o ka CPVC).
No ka viscosifier, inā koho ʻia ka viscosity cellulose kūpono, hiki i ka uhi pā o waho ke hana i nā kikoʻī kikoʻī, ʻoi aku ka nui o ka paona pena, i mea e hoʻokō ai i nā ʻano ʻekolu o ka uhi ʻana o ka paia o waho. ʻEkolu mau lula no ke kūkulu hale. 'Oia'i'o, ka noi 'ana o ka nui o ka waiwai a me ka pono pohaku qi, he tona o ka mea huna mea ho'ohehe'e 100-160kg, 750kg kala pā one, 20kg (me ka uhi ho'ohui, pesticides, fungicides, adhesives, etc.), ke koena o ka. wai a me nā huahana mālama ʻili. ʻO kēia ʻano pena pōhaku ʻoiaʻiʻo PVC ma waena o 75%? Ma waena o 85%, i loko o ke kaʻina hana ua maloʻo, maoli maoli pōhaku pena ka uhi mea paakiki e hookumu i ka kiko'ī a paʻa paʻa pena. No laila, pehea e hana piha hoʻohana o ka oi kaupalena moisturizing emulsion huna meaʻai meaʻai, no laila, i ka uhi 'ana e like me ka hiki symmetrical.
Loaʻa nā hiʻohiʻona o ka viscosity haʻahaʻa (ke kaumaha molekala kiʻekiʻe). Ma muli o ka piʻi ʻana o ke kumukūʻai o nā huahana cellulose, ua hoʻololi ʻia ka viscosity o ka cellulose i noi ʻia mai 30000 a 50000,80000,100000, ʻoiai inā hoʻonui ʻia e 200000, ʻo ka pahuhopu ke hōʻemi i ka nui o ka cellulose mai ka methyl cellulose (HEC). ) i ka hydroxyl acrylic cellulose (HPMC); Ke noi o ka methyl methyl cellulose HPMC e nui ho'ēmi i ka wai repellency o maoli pohaku hale pena, a laila hoʻomaikaʻi i ka viscosity o cellulose (pili mole nuipa) e lilo i ka pohaku maoli hale pena commodity hana hopena? ʻO ka pane, ʻoi aku ka ʻino a ʻoi aku ka ʻino o ka hana ʻana o ka papa pena pōhaku!
Hiki ke hoʻokaʻawale ʻia ka HPMC i nā ʻano hikiwawe a me ka wela. Ke hoʻopuehu wikiwiki a emi ka wai anuanu i loko o ka wai, hiki ke hoʻokaʻawale ʻia ka HPMC i nā ʻano hikiwawe a me ka wela. I kēia manawa, ʻaʻohe viscosity ka wai, no ka mea, ua hoʻopuehu wale ʻia ka HPMC i ka wai, ʻaʻohe manaʻo maoli o ka heheʻe. Ma hope o 2min, hoʻonui mālie ka viscosity o ka wai, e hana ana i kahi hopena colloid viscous. Ke hōʻiliʻili ʻia nā mea hoʻoheheʻe organik wela i loko o ka wai anuanu, hiki iā lākou ke hoʻopuehu wikiwiki i ka wai wela a hoʻopau i ka wai wela. Ke hoʻemi ʻia ka mahana ambient i kekahi degere o ka wela, e hele mālie ka viscosity a hiki i ka hoʻopuka ʻana o kahi hopena colloidal viscous piha. Hoʻohana wale ʻia ke ʻano o ka mea hoʻoheheʻe kūlohelohe i loko o ka pā o loko o ka putty pauka a me ka mortar. I loko o ka superglue wai a me nā uhi, aia ka heluna kanaka ʻaʻole hiki ke hoʻohana ʻia. Loaʻa i ka ʻano hikiwawe - solubility ka māhele noi maʻamau. Hiki ke hoʻohana ʻia e like me ka pauka putty pā o loko a me ka mortar, a me kāna superglue wai a me ka uhi. ʻAʻohe kapu.
ʻO ka hoʻoheheʻe wai wela: no ka mea ʻaʻole heheʻe ʻo HPMC i ka wai wela, no laila hiki ke hoʻoheheʻe ʻia ʻo HPMC i ka loulou kumu i ka wai wela, a laila hoʻoheheʻe wikiwiki i ka wā hoʻomaha. Ua wehewehe ʻia nā ʻano maʻamau ʻelua penei:
1) E hoʻokomo i ka wai wela e pono ai ʻoe i loko o kahi ipu a wela iā ia ma kahi o 70 ℃. E hoʻohui mālie, e hoʻohui mālie i ka hydroxypropyl methyl cellulose, e lana mālie ka HPMC ma ka muliwai, a laila e hoʻohua mālie i ka sludge refrigeration sludge i ka hui ʻana.
2) E hoʻohui i ka 1/3 a i ʻole 2/3 o ka wai i loko o ka moku, e wela i ka 70 ℃, e hoʻomehana iā 70 ℃ e hoʻopuehu i ka HPMC, a e hoʻomākaukau i ka lepo wai wela; Hoʻohui ʻia ke koena wai anuanu i ka lepo wela a hui pū ʻia me ka hui ʻana ma hope o ka hoʻoluʻu.
ʻO ke ʻano o ka hui ʻana o ka pauda: ʻO ka pauka HPMC me ka mea huila a me nā mea ʻē aʻe he nui nā mea kemika pauda i hoʻohui ʻia, a laila hoʻohui i ka wai e hoʻoheheʻe. I kēia manawa, hiki ke hoʻoheheʻe ʻia ka HPMC i ka hihia o ka ʻaʻohe agglomeration, no ka mea, ʻo kēlā me kēia kihi liʻiliʻi he liʻiliʻi wale nō ka pauka HPMC, i ka wā e hoʻoheheʻe koke ai ka wai - ʻo kēia ʻano ala wale nō ka hoʻohana ʻana o ka pā i loko putty pauda a me nā mea hana mortar. [HPMC] ma ke ʻano he mea hoʻoheheʻe a me ka mea hoʻomaʻemaʻe i loko o ka pahu putty o ka pā i loko.
He waimaka waimaka hydroxypropyl methyl cellulose (HMPC) maʻamau kēia, kahi kokoke i ka waiwai viscoelastic (ka nui o ka mucin) i ka waimaka. Hoʻopili ia i ka ʻili o ka maka ma o ka adsorption o ka polymer, a hoʻohālikelike i ka hana o ka conjunctival mucin, i mea e hoʻomaikaʻi ai i ka mokuʻāina o ka mucin i ka maka a hoʻonui i ka hopena pulu o ka cornea.
I ka pauka putty, ka mānoanoa, ka mālama ʻana i ka wai a me ke kūkulu ʻana i ʻekolu mau hana. ʻO ka mānoanoa, cellulose hiki ke mānoanoa a hiki i ka hoʻokuʻu ʻia ʻana, no laila e hoʻomau ka hoʻonā ʻana i luna a i lalo i ke ʻano o ke kau ʻana i ka anti-flow. Ka paʻa wai: e hoʻomaloʻo mālie i ka pauka putty, kōkua ka calcium hina i ka hana o ka wai. Hana: cellulose lubrication, hiki ke hana i ka pauka putty maikaʻi ke kūkulu ʻana. ʻAʻole komo ʻo HPMC i nā hopena kemika, akā he kuleana kākoʻo wale nō.
ʻOi aku ka maʻalahi o ka pena kikokikona i ke koho ʻana i ke kala, a hiki ke hoʻokō i ka hopena hoʻolālā kiʻi maikaʻi loa, a ʻo ka pena pōhaku maoli i ka ʻimi ʻana i ke ola maoli, ʻoi aku ka maikaʻi ma mua o ka pena kala, ʻo kēlā me kēia me kona ikaika ponoʻī. ʻO ka pena kikokikona a me ka lacquer i ke kaʻina hana, i mea e mālama mau ai i ka waihoʻoluʻu kumu, maʻamau i ka hana hope loa, pono mākou e hoʻohana i ka varnish (ʻaila māmā) e pīpī e pale i kā lākou hopena kiʻi a i ʻole ka hopena pōhaku.
ʻO Lacquer, ka pena kikokikona he ʻano pena, hoʻohana nui ʻia no ka hoʻonaninani ʻana i ka paia. Ua hōʻuluʻulu ka ʻaoʻao pūnaewele puni honua diatom mud i kekahi mau ʻokoʻa ma waena o ka pena kikokiko a me ka lacquer.
High quality latex kiʻekiʻe kumu kūʻai, nā mea hana i mea e hoola koina, e hoʻohui i ka liʻiliʻi o ka hapa o ka emulsion, ma hope o ka hana ʻana i ka pōhaku pena kiʻi maloʻo maloʻo ʻole, ʻaʻole lawa ka nui, ʻoi aku ka nui o ka bibulous kiʻi pena, ua hoʻemi ʻia ka ikaika compressive, I ka manawa e hālāwai ai me ka ua ua no ka manawa lōʻihi, e komo ka ua i loko o ke kiʻi pena, pena pōhaku keʻokeʻo maoli.
ʻO kekahi mau mea hana i ka hana ʻana i ka lacquer, hoʻohui pinepine i ka nui o ka carboxymethyl cellulose, hydroxyethyl cellulose e like me kahi mānoanoa, ʻo kēia mau mea he wai-soluble a hydrophilic, uhi kiʻiʻoniʻoni i waiho ʻia i ka papa, e hoʻemi nui i ka pale wai o ka uhi.
Ka manawa hoʻouna: Jun-09-2022