ʻO nā uhi waiʻo ia ka ʻano nui o ka ʻenehana coating i hoʻohana ʻia ma ka honua holoʻokoʻa a ke manaʻo ʻia e hoʻomau ka ulu ʻana ma ke ʻano he pakeneka o ka mākeke coatings. Ma ka makahiki 2022, ʻo kaka nui o ka mākeke honuaʻO nā uhi wai e manaʻo ʻia e ʻoi aku ma mua o $ 146 biliona USD. ʻO ka ulu ʻana ma ka hapa nui ma muli o ka piʻi ʻana o ka leo ma ke kūkulu ʻana a me nā mākeke automotive meacrylicsʻo ia ka ʻano nui loa o ka ʻōnaehana wai wai e hōʻike ana ma luna o 80% o ka mākeke wai wai.
ʻO Athena.MIT-IVY INDUSTRY kēia e hana nui nei i ka pena ʻenehana wai, ʻike wau makemake ʻoe i ka maikaʻi maikaʻi, ke kumukūʻai kūʻai a me nā huahana kākoʻo ʻenehana, loaʻa iā mākou ka palapala hōʻoia ISO, ʻoi aku ka helu huahana me ke kumukūʻai. Ke manaʻoʻiʻo wale nei mākou i ke kūlana kiʻekiʻe,
A i kā mākou mea kūʻai aku ʻoluʻolu. Inā makemake ʻoe e nīnau, e ʻoluʻolu e kelepona mai iaʻu. ️ Hoʻokaʻaʻike mai iā mākou:
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Nā pūʻali hoʻokeleno ka hoʻonui ʻia ʻana o ka hoʻohana ʻana i nā uhi wai wai:
- VOC lalo
- ʻO ka maʻalahi o ka hoʻomaʻemaʻe i ka nui o nā hihia
- Hoʻemi ʻia ka pōʻino ahi
- ʻO ke kumukūʻai ʻinikua haʻahaʻa
- E hoʻohana i ka ikehu haʻahaʻa nonā uhi kāluama muli o ka liʻiliʻi o ka umu make up ea
- ʻO ka pono no ka emi ʻana o nā pae oʻaila ʻaila-mea pili.
E like me ka ʻatikala o Mei, 2014 Prospector maKa Kahe, Kaulike a me ka Viscosity Control i loko o ka wai-waie hōʻike ana, ʻo nā papa nui ʻelua o ka uhi waiwai-hoemialatex, me ka hapa nui o nā uhi kālua e hāʻule ana i ka ʻāpana mua me ka hapa nui o nā ʻāpana hoʻolālā no ka lua. ʻO ka huaʻōlelowai-hoemihoʻohana ʻia no nā resins i hana ʻia i ka solvent a hoʻemi ʻia i loko o ka wai e hoʻopuehu ai i ka resin i ka wai.LatexʻO nā resins ma kekahi ʻaoʻao ua hoʻomākaukau ʻia e ka emulsion polymerization i ka wai.
ʻO nā pōʻino no ka hoʻohana ʻana i nā uhi wai wai:
- ʻO ka hilinaʻi kiʻekiʻe o ka evaporation rate ma ka haʻahaʻa pili
- Pono ka wela nui o ka evaporation no ka wai i 2260 J/g no ka wai a no ka laʻana he 373 J/g wale nō no2-butoxyethanol, he mea maʻamaumea hoʻoheheʻe
- ʻAʻole laina viscosity hōʻemi ka pihi no nā uhi e hoʻohana ana i nā resins hoʻemi wai
- Ke hilinaʻi kiʻekiʻe o ke kahe a me ke ʻano ma luna o ka haʻahaʻa pili
- Pono ka hoʻohui ʻana o ka wai (poorer wetting).surfactantsʻo ia ka mea i nā manawa he nui e hōʻemi i ke kūpaʻa haʻahaʻa
- ʻOi aku ka ʻinoʻino o nā uhi wai ma mua o nā pale i hānau ʻia me ka solvent a no laila e koi ai i nā ipu laina, plastic a i ʻole ke kila kila e pale aku ai i ka pala.
- ʻOi aku ka maʻalahi o ka paʻi ʻana o ka wai i loko o nā noi i hoʻomoʻa ʻia i ka wā e hoʻomaka ai ke kūkulu ʻia ʻana o ke kiʻiʻoniʻoni ma mua o ka haʻalele ʻana o ka wai mai ke kiʻiʻoniʻoni (e nānā i ka Papa I)
Eia nō naʻe ka holomua o ka ʻepekema waiwai e hoʻokomo i nā mea hou i loko o ka resin chemistry, surfactants,mea pulu waiamea kahee kōkua i ka hoʻomau ʻana i ka ulu ʻana o nā uhi wai.
Hōʻike ke Kiʻi I i nā ʻanuʻu like ʻole o ka hoʻomaloʻo ʻana i kahi ʻōnaehana pena latex. ʻO ka pae mua e pili ana i ka evaporation o ka wai. ʻO ka lua o ka pae e pili ana i ka hoʻomau ʻana o ka wai a me ka cosolvent a hiki i kahi e hoʻopā ai nā ʻāpana latex a hoʻomaka i ka hui ʻana e hana i kahi kiʻiʻoniʻoni i maloʻo ʻia.
ʻO ka pae hope loa ka hoʻomau ʻana i ka coalescence a me ka hoʻōla ʻana (ma kahi ʻōnaehana crosslinked) e hana i kahi kiʻi pena i hoʻōla ʻia a maloʻo.
ʻO kekahi o nā mea nui e noʻonoʻo ai i ka hoʻohana ʻana i nā uhi wai wai ʻo ia ka hoʻonui ʻana o ka haʻahaʻa i ka hoʻohui ʻana i ka mahana i ka hoʻohana ʻana a me ka mālama ʻana i kēia mau uhi. No ka laʻana, no ka hāʻawi ʻana i nā waiwai noi e ʻae ʻia, pono e mālama pono ʻia ka mahana a me ka haʻahaʻa e like me ka mea i hōʻike ʻia ma ke Kiʻi II. ʻAʻole hiki ke nānā ʻia ka hopena o ka haʻahaʻa ma luna o nā uhi i loaʻa ka wai-organic solvent.
No ka laʻana, ʻo ka helu evaporation pili (E) o ka wai ma 0 – 5% RH ma 25°C he 0.31, akā ma 100% RH ʻo ka E he 0. ʻO ka E o 2-butoxyethanol, kahi cosolvent i hoʻohana mau ʻia, he 0.077. Ma ka RH haʻahaʻa, evaporates ʻoi aku ka wikiwiki o ka wai a pēlā e piʻi ai ka ratio o 2-butoxyethanol i ka wai; ʻoiaʻiʻo ka hoʻololi i ka haʻahaʻa kiʻekiʻe.
Ke hoʻohana ʻia nā uhi wai, inā ʻaʻole mālama ʻia ka haʻahaʻa, e hopena ka hoʻololi ʻana i nā waiwai a me nā hiʻohiʻona. No ka laʻana, inā ʻo 70° - 80° F ka mahana o ka hoʻohana ʻana i ka makahiki, ʻo ka hoʻohana ʻana i kahi maloʻo (nalo o ke kahe) e hopena i nā mahina hoʻoilo ma muli o ka haʻahaʻa haʻahaʻa ʻoi aku ka nui o nā piʻi anuanu a ʻike ʻia ke kahe nui i nā mahina kauwela (kiʻekiʻe haʻahaʻa) . ʻO kahi laʻana o ke kūlana hope loa ma kahi o 65% Relative Humidity/25 °C, kahi uhi wai i loaʻa i ka 10.6% 2-butoxyethanol o nā volatiles, ua like ka helu evaporation o ka wai a me 2-butoxyethanol. Ua kapa ʻia kēia haʻahaʻa pili i ka Critical Relative Humidity.
Kiʻi II Pili ʻana o ka hoʻohana ʻana i nā ʻili wai i ka haʻahaʻa a me ka mahana.
Hōʻike ka Papa I i ka piʻi ʻana o ka hilinaʻi ʻana o nā uhi wai i ka popo ʻana i nā mānoanoa kiʻiʻoniʻoni like ʻole ke hoʻohālikelike ʻia me nā uhi i hānau ʻia.
Papa I Ka mānoanoa kiʻiʻoniʻoni koʻikoʻi no ka Popping ma Microns, Organic Coatings, Wiley-Interscience, 2007, Zeno W. Wicks Jr., Frank N. Jones, S. Peter Pappas, Douglas A. Wicks
Hoʻokomo ʻia nā uhi wai wai i nā ʻano resin like ʻoleacrylic,alkyd,urethane,poliester,epoxy,fluoropolymer, ka pauka wai a me ka ho'ōla ʻana i nā kemika meLaau UV,aminoplast, urethane,epoxy-polyamide,oxidativeaea maloʻo thermoplasticʻano ʻano. E like me ka hōʻike ʻana o ka Papa II, ʻo ka nui o ka ʻāpana a me ka hoʻolālā ʻāpana (e laʻa me ka pūpū kumu) kōkua pū kekahi i nā waiwai kiʻiʻoniʻoni hope loa o ka uhi. I ka hōʻuluʻulu ʻana, i ka manawa e noʻonoʻo pono ʻia ai nā pilikia kūʻokoʻa e pili ana i ka hoʻohana ʻana i nā uhi wai wai e hāʻawi lākou i ka hana maikaʻi loa i nā ʻano noi like ʻole.
Papa II – Nā ʻano o nā ʻano wai like ʻole
Hoʻopaʻa inoa ʻo Prospector i nā mea hoʻolako wai wai, surfactants, pulu a me nā mea kahe e hoʻokō i nā koi like ʻole.
ʻO kā mākou ʻāpana piha o ka wai i hoʻokumu ʻia i ka ʻoihana pena a me nā uhi.
• 2 Pack Epoxy Primer Black Matt
• ʻO Acrylic Aliphatic Polyurethane Finish Glossy
• Hoʻopau Polyurethane Acrylic
• Alkyd
• Alkyd Black
• Alkyd Thinner
• Anticorrosive Red Oxide primer
• Puka ʻeleʻele
• Mea hoolei sila
• Ahinahina lanahu
• Epoxy Finish Coating
• Epoxy Primer
• Epoxy Thinner
• Ho'ōla wikiwiki i ka Epoxy Primer Cum Finish Paint
• Epoxy Zinc Phosphate Primer
• ʻOi aku ka lahilahi
• Hoʻopau pale wela
• Ka lole hoʻopau polyurethane
���Nā brands a mākou e hāʻawi ai:
Nā Pena Berger, Kansai Nerolac, ʻAsia PPG, AkzoNobel
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Ka manawa hoʻouna: Oct-27-2023