ʻO ka pauka Putty ka mea nui i hana ʻia me nā mea hana kiʻiʻoniʻoni (nā mea hoʻopili), nā mea hoʻopihapiha, nā mea paʻa wai, nā mea mānoanoa, nā mea hoʻohemo i ka foam, a pēlā aku. ʻO nā mea maka kemika organik maʻamau i loko o ka pauka putty e komo pū me: cellulose, starch pregelatinized, starch ether, polyvinyl alcohol, dispersible latex powder, a pēlā aku. Ua loiloi ʻia ka hana a me ka hoʻohana ʻana o nā mea maka kemika like ʻole ma lalo nei.
1: Ka wehewehe a me ka ʻokoʻa o ka fiber, cellulose a me ka cellulose ether
ʻO ke olonā (US: Fiber; Pelekania: Fiber) e pili ana i kahi mea i hana ʻia me nā filaments hoʻomau a hoʻomau ʻole paha. E like me ke olonā mea kanu, ka lauoho holoholona, ke olonā silika, ke olonā synthetic, a pēlā aku.
He polysaccharide macromolecular ka Cellulose i haku ʻia me ka glucose a ʻo ia ke ʻano nui o nā paia o nā cell mea kanu. I ka mahana o ka lumi, ʻaʻole hiki ke hoʻoheheʻe ʻia ka cellulose i ka wai a i ʻole i nā mea hoʻoheheʻe organik maʻamau. ʻO ka nui o ka cellulose o ka pulupulu ua kokoke i ka 100%, e lilo ia i kumu kūlohelohe maʻemaʻe loa o ka cellulose. I ka lāʻau maʻamau, he 40-50% ka cellulose, a he 10-30% hemicellulose a me 20-30% lignin. ʻO ka ʻokoʻa ma waena o ka cellulose (ʻākau) a me ka starch (hema):
Ma ke ʻano laulā, ʻo ka starch a me ka cellulose he macromolecular polysaccharides, a hiki ke hōʻike ʻia ke ʻano molekala e like me (C6H10O5)n. ʻOi aku ka nui o ke kaumaha molekala o ka cellulose ma mua o ka starch, a hiki ke hoʻokaʻawale ʻia ka cellulose e hana i ka starch. ʻO ka Cellulose he D-glucose a me β-1,4 glycoside Macromolecular polysaccharides i haku ʻia me nā pilina, ʻoiai ua hoʻokumu ʻia ka starch e nā pilina α-1,4 glycosidic. ʻAʻole lālā ka Cellulose ma ke ʻano maʻamau, akā ua lālā ka starch e nā pilina 1,6 glycosidic. ʻAʻole hiki ke hoʻoheheʻe ʻia ka Cellulose i ka wai, ʻoiai ua hiki ke hoʻoheheʻe ʻia ka starch i ka wai wela. ʻAʻole ʻike ka Cellulose i ka amylase a ʻaʻole e polū ke hōʻike ʻia i ka iodine.
ʻO ka inoa Pelekane o ka cellulose ether ʻo cellulose ether, he hui polymer me ke ʻano ether i hana ʻia me ka cellulose. ʻO ia ka huahana o ka hopena kemika o ka cellulose (mea kanu) me ka mea etherification. Wahi a ka hoʻokaʻawale ʻana o ke ʻano kemika o ka substituent ma hope o ka etherification, hiki ke hoʻokaʻawale ʻia i nā anionic, cationic a me nonionic ethers. Ma muli o ka mea etherification i hoʻohana ʻia, aia nā methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl hydroxyethyl cellulose a me phenyl cellulose, a pēlā aku. I ka ʻoihana kūkulu hale, ua kapa ʻia ʻo cellulose ether he cellulose, he inoa maʻamau ʻole ia, a ua kapa pololei ʻia ʻo cellulose (a i ʻole ether). ʻO ke ʻano mānoanoa o ka cellulose ether thickener ʻO ka cellulose ether thickener he non-ionic thickener, ka mea e mānoanoa nui ai ma o ka hydration a me ka entanglement ma waena o nā molekala. He mea maʻalahi ke kaulahao polymer o ka cellulose ether e hana i ka pilina hydrogen me ka wai i loko o ka wai, a ʻo ka pilina hydrogen e loaʻa ai ka hydration kiʻekiʻe a me ka inter-molecular entanglement.
Ke hoʻohui ʻia ka mea hoʻomānoanoa cellulose ether i ka pena latex, hoʻopili ia i ka nui o ka wai, e hoʻonui nui ana i kona nui ponoʻī, e hōʻemi ana i kahi kūʻokoʻa no nā pigments, nā mea hoʻopihapiha a me nā ʻāpana latex; i ka manawa like, ua ulana ʻia nā kaulahao molekala cellulose ether e hana i kahi ʻano pūnaewele ʻekolu-dimensional, a ua hoʻopuni ʻia nā mea hoʻopihapiha kala a me nā ʻāpana latex i waenakonu o ka mesh a ʻaʻole hiki ke kahe manuahi. Ma lalo o kēia mau hopena ʻelua, ua hoʻomaikaʻi ʻia ka viscosity o ka ʻōnaehana! Ua hoʻokō i ka hopena mānoanoa a mākou e pono ai!
ʻO ka cellulose maʻamau (ether): Ma ke ʻano laulā, ʻo ka cellulose ma ka mākeke e pili ana i ka hydroxypropyl, hoʻohana nui ʻia ka hydroxyethyl no ka pena, ka pena latex, a hoʻohana ʻia ka hydroxypropyl methylcellulose no ka mortar, putty a me nā huahana ʻē aʻe. Hoʻohana ʻia ʻo Carboxymethyl cellulose no ka pauka putty maʻamau no nā paia o loko. ʻO Carboxymethyl cellulose, i ʻike ʻia hoʻi ʻo sodium carboxymethyl cellulose, i kapa ʻia ʻo (CMC): ʻO Carboxymethyl cellulose (CMC) kahi pauka flocculent keʻokeʻo ʻaʻohe ʻawaʻawa, ʻala ʻole me ka hana paʻa a maʻalahi hoʻi e hoʻoheheʻe ʻia i ka wai. ʻO ka wai viscous alkaline a alkaline paha, hiki ke hoʻoheheʻe ʻia i loko o nā glues a me nā resins wai ʻē aʻe, hiki ʻole ke hoʻoheheʻe ʻia i nā mea hoʻoheheʻe organik e like me ka ethanol. Hiki ke hoʻohana ʻia ʻo CMC ma ke ʻano he mea hoʻopaʻa, mea hoʻomānoanoa, mea hoʻomaha, emulsifier, dispersant, stabilizer, mea hoʻonui, a pēlā aku. ʻO Carboxymethyl cellulose (CMC) ka huahana me ka hopena nui loa, ka laulā ākea o nā hoʻohana, a me ka hoʻohana maʻalahi loa ma waena o nā cellulose ethers, i ʻike nui ʻia ʻo "industrial monosodium glutamate". Loaʻa i ka Carboxymethyl cellulose nā hana o ke nakinaki ʻana, ka mānoanoa, ka hoʻoikaika ʻana, ka emulsifying, ka paʻa ʻana o ka wai a me ka hoʻokuʻu ʻana. 1. Ka hoʻohana ʻana o ka sodium carboxymethyl cellulose i ka ʻoihana meaʻai: ʻaʻole wale ka sodium carboxymethyl cellulose he mea hoʻopaʻa emulsification maikaʻi a me ka mea hoʻomānoanoa i nā noi meaʻai, akā he kūpaʻa maikaʻi loa hoʻi ka hau a me ka hoʻoheheʻe ʻana, a hiki ke hoʻomaikaʻi i ka ʻono o ka huahana e hoʻolōʻihi i ka manawa mālama. 2. Ka hoʻohana ʻana o ka sodium carboxymethyl cellulose i ka ʻoihana lāʻau lapaʻau: hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa emulsion no nā injections, kahi mea hoʻopaʻa a me kahi mea hana kiʻiʻoniʻoni no nā papa i ka ʻoihana lāʻau lapaʻau. 3. Hiki ke hoʻohana ʻia ʻo CMC ma ke ʻano he mea anti-settling agent, emulsifier, dispersant, leveling agent, a me ka mea hoʻopili no nā uhi. Hiki iā ia ke hoʻokaʻawale like i ka ʻike paʻa o ka uhi i loko o ka solvent, i ʻole e delaminate ka uhi no ka manawa lōʻihi. Hoʻohana nui ʻia hoʻi i loko o ka pena. 4. Hiki ke hoʻohana ʻia ka sodium carboxymethyl cellulose ma ke ʻano he flocculant, chelating agent, emulsifier, thickener, wai paʻa agent, sizing agent, film-forming material, etc. Hoʻohana nui ʻia ia i nā mea uila, pesticides, ʻili, plastics, paʻi, keramika, ʻoihana kemika hoʻohana i kēlā me kēia lā a me nā ʻoihana ʻē aʻe, a ma muli o kāna hana maikaʻi loa a me ka laulā o nā hoʻohana, ke hoʻomohala mau nei ia i nā kahua noi hou, a he ākea loa ka manaʻolana o ka mākeke. Nā laʻana noi: ka pauka putty pā waho ka pauka putty pā loko 1 ka pauka Shuangfei: 600-650kg 1 ka pauka Shuangfei: 1000kg 2 ka sima keʻokeʻo: 400-350kg 2 ka palaoa i hoʻomākaukau mua ʻia: 5-6kg 3 ka palaoa i hoʻomākaukau mua ʻia: 5 -6kg 3 ka CMC: 10-15kg a i ʻole HPMC2.5-3kg4 ka CMC: 10-15kg a i ʻole HPMC2.5-3kg ka pauka Putty i hoʻohui ʻia me ka carboxymethyl cellulose CMC, ka hana palaoa i hoʻomākaukau mua ʻia: ① Loaʻa ka hiki ke mānoanoa wikiwiki maikaʻi; ka hana hoʻopili, a me kekahi paʻa wai; ② Hoʻomaikaʻi i ka hiki ke pale i ka paheʻe (sagging) o ka mea, hoʻomaikaʻi i ka hana hana o ka mea, a hoʻomaʻalahi i ka hana; hoʻolōʻihi i ka manawa wehe o ka mea. ③ Ma hope o ka maloʻo ʻana, he laumania ka ʻili, ʻaʻole hāʻule mai ka pauka, he mau waiwai hana kiʻiʻoniʻoni maikaʻi a ʻaʻohe ʻōpala. ④ ʻOi aku ka mea nui, he liʻiliʻi ka nui o ka lāʻau, a hiki i kahi nui haʻahaʻa loa ke hoʻokō i kahi hopena kiʻekiʻe; i ka manawa like, ua hoʻemi ʻia ke kumukūʻai hana ma kahi o 10-20%. I ka ʻoihana kūkulu hale, hoʻohana ʻia ʻo CMC i ka hana ʻana o nā preforms sima, hiki ke hōʻemi i ka nalowale o ka wai a hana ma ke ʻano he mea hoʻomaha. ʻOiai no ke kūkulu nui ʻana, hiki iā ia ke hoʻomaikaʻi i ka ikaika o ka sima a hoʻomaʻalahi i nā preforms e hāʻule mai ka membrane. ʻO kekahi kumu nui, ʻo ia ke kahakaha i ka paia keʻokeʻo a me ka pauka putty, ka putty paste, hiki ke mālama i ka nui o nā mea kūkulu hale a hoʻonui i ka papa pale a me ka ʻōlinolino o ka paia. ʻO Hydroxyethyl methylcellulose, i kapa ʻia ʻo (HEC): formula kemika:
1. Hoʻolauna i ka hydroxyethyl cellulose: ʻO ka Hydroxyethyl cellulose (HEC) kahi cellulose ether non-ionic i hana ʻia mai ka cellulose polymer kūlohelohe ma o kahi moʻo o nā kaʻina hana kemika. He pauka keʻokeʻo ʻala ʻole, ʻono ʻole, ʻaʻohe ʻawaʻawa a granule paha, hiki ke hoʻoheheʻe ʻia i loko o ka wai anuanu e hana i kahi hopena viscous moakaka, a ʻaʻole i hoʻopilikia ʻia ka hoʻoheheʻe ʻana e ka waiwai pH. Loaʻa iā ia nā waiwai mānoanoa, nakinaki, hoʻopuehu, emulsifying, hana kiʻiʻoniʻoni, hoʻokuʻu, adsorbing, hana ʻili, mālama wai a me ka paʻakai.
2. Nā ʻōkuhi loea Kūlana papahana ʻAno Pauka keʻokeʻo a melemele paha Hoʻololi molar (MS) 1.8-2.8 Mea hoʻoheheʻe ʻole i ka wai (%) ≤ 0.5 Pohō ma ka maloʻo ʻana (WT%) ≤ 5.0 Koena ma ke ahi ʻana (WT%) ≤ 5.0 Waiwai PH 6.0- 8.5 Viscosity (mPa.s) 2%, 30000, 60000, 100000 wai hoʻonā ma 20°C ʻEkolu, nā pono o ka hydroxyethyl cellulose Hopena mānoanoa kiʻekiʻe
● Hāʻawi ka Hydroxyethyl cellulose i nā waiwai uhi maikaʻi loa no nā uhi latex, ʻoiai nā uhi PVA kiʻekiʻe. ʻAʻohe flocculation e hana ʻia ke mānoanoa ka pena.
● ʻOi aku ka mānoanoa o ka Hydroxyethyl cellulose. Hiki iā ia ke hōʻemi i ka nui o ka lāʻau, hoʻomaikaʻi i ka hoʻokele waiwai o ke ʻano hana, a hoʻomaikaʻi i ke kūpaʻa o ka ʻūlū ʻana o ka uhi.
Nā waiwai rheological maikaʻi loa
● ʻO ka hopena wai o ka hydroxyethyl cellulose he ʻōnaehana ʻaʻole Newtonian, a ʻo ka waiwai o kāna hopena ua kapa ʻia ʻo thixotropy.
● I ke kūlana paʻa, ma hope o ka hoʻoheheʻe loa ʻia ʻana o ka huahana, mālama ka ʻōnaehana uhi i ka mokuʻāina mānoanoa a me ka wehe maikaʻi loa.
● I ke kūlana o ka ninini ʻana, mālama ka ʻōnaehana i kahi mānoanoa kūpono, i loaʻa ai i ka huahana ka wai maikaʻi loa a ʻaʻole e pīpī.
● Ke hoʻopili ʻia me ka palaki a me ka wili, e pālahalaha maʻalahi ka huahana ma luna o ke kahua. He kūpono ia no ke kūkulu ʻana. I ka manawa like, he pale maikaʻi kona i ka pīpī ʻana.
● ʻO ka hope loa, ma hope o ka pau ʻana o ke uhi ʻana, hoʻi koke ka mānoanoa o ka ʻōnaehana, a emi koke ka uhi ʻana.
Ka Hoʻokahe ʻana a me ka Solubility
● Hoʻohana ʻia ka Hydroxyethyl cellulose me ka hoʻoheheʻe lohi ʻana, hiki ke pale pono i ka hoʻopili ʻana ke hoʻohui ʻia ka pauka maloʻo. Ma hope o ka hōʻoia ʻana ua hoʻopuehu maikaʻi ʻia ka pauka HEC, e hoʻomaka i ka hydration.
● Hiki i ka Hydroxyethyl cellulose me ka mālama ʻili kūpono ke hoʻoponopono maikaʻi i ka helu hoʻoheheʻe a me ka hoʻonui ʻana i ka viscosity o ka huahana.
kūpaʻa mālama
● Loaʻa i ka Hydroxyethyl cellulose nā waiwai anti-mildew maikaʻi a hāʻawi i ka manawa mālama pena kūpono. Pale pono i nā pigments a me nā mea hoʻopihapiha mai ka noho ʻana. 4. Pehea e hoʻohana ai: (1) E hoʻohui pololei i ka wā o ka hana ʻana ʻO kēia ʻano hana ka mea maʻalahi loa a lawe i ka manawa pōkole loa. Eia nā ʻanuʻu: 1. E hoʻohui i ka wai maʻemaʻe i loko o kahi bākeke nui i lako me kahi mea hoʻonāukiuki shear kiʻekiʻe. 2. E hoʻomaka e hoʻoulu mau i ka wikiwiki haʻahaʻa a kānana mālie i ka hydroxyethyl cellulose i loko o ka hopena like. 3. E hoʻomau i ka hoʻoulu a hiki i ka pulu ʻana o nā ʻāpana āpau. 4. A laila e hoʻohui i ka mea antifungal a me nā mea hoʻohui like ʻole. E like me nā pigments, nā mea kōkua hoʻolaha, ka wai ammonia, a pēlā aku. 5. E hoʻoulu a hiki i ka wā e hoʻoheheʻe loa ʻia ai ka hydroxyethyl cellulose āpau (piʻi nui ka viscosity o ka hopena) ma mua o ka hoʻohui ʻana i nā mea ʻē aʻe i loko o ke ʻano no ka hopena. (2) E hoʻomākaukau i ka waiʻona makuahine no ka hoʻohana ʻana: ʻO kēia ʻano hana ka hoʻomākaukau ʻana i ka waiʻona makuahine me ka nui o ka noʻonoʻo kiʻekiʻe ma mua, a laila e hoʻohui iā ia i ka huahana. ʻO ka maikaʻi o kēia ʻano hana, ʻoi aku ka maʻalahi a hiki ke hoʻohui pololei ʻia i ka huahana i hoʻopau ʻia, akā pono e mālama pono ʻia. Ua like nā ʻanuʻu me nā ʻanuʻu (1-4) ma ke ʻano hana (1): ʻo ka ʻokoʻa, ʻaʻohe mea hoʻonāukiuki kiʻekiʻe e pono ai, ʻo kekahi mau mea hoʻonāukiuki me ka mana lawa e mālama i ka hydroxyethyl cellulose i hoʻopuehu like ʻia i loko o ka hopena, e hoʻomau i ka hoʻoulu ʻana a hiki i ka wā e hoʻoheheʻe loa ʻia ai i loko o kahi hopena viscous. Pono e hoʻomaopopo ʻia e pono e hoʻohui ʻia ka mea antifungal i ka wai makuahine i ka hikiwawe loa. V. Hoʻohana 1. Hoʻohana ʻia i ka pena latex wai: HEC, ma ke ʻano he colloid pale, hiki ke hoʻohana ʻia i ka polymerization emulsion vinyl acetate e hoʻomaikaʻi i ke kūpaʻa o ka ʻōnaehana polymerization ma kahi ākea o nā waiwai pH. I ka hana ʻana o nā huahana i hoʻopau ʻia, hoʻohana ʻia nā mea hoʻohui e like me nā pigments a me nā mea hoʻopiha e hoʻopuehu like, hoʻopaʻa a hāʻawi i nā hopena mānoanoa. Hiki ke hoʻohana ʻia ma ke ʻano he dispersant no nā polymers suspension e like me styrene, acrylate, a me propylene. Hoʻohana ʻia i ka pena latex hiki ke hoʻomaikaʻi nui i ka hana mānoanoa a me ka pae. 2. Ma ke ʻano o ka ʻeli ʻaila: Hoʻohana ʻia ʻo HEC ma ke ʻano he mea hoʻomānoanoa i nā ʻano lepo like ʻole e pono ai no ka ʻeli ʻana, ka hoʻopaʻa ʻana i nā luawai, ka hoʻopaʻa ʻana i nā luawai a me nā hana haki, i hiki ai i ka lepo ke loaʻa ka wai maikaʻi a me ke kūpaʻa. Hoʻomaikaʻi i ka hiki ke lawe i ka lepo i ka wā ʻeli ʻana, a pale i ka nui o ka wai mai ke komo ʻana i ka papa aila mai ka lepo, e hoʻopaʻa ana i ka hiki ke hana o ka papa aila. 3. Hoʻohana ʻia i ke kūkulu hale a me nā mea hana hale: Ma muli o kona hiki ke paʻa wai ikaika, he mea hoʻomānoanoa a me ka mea hoʻopaʻa maikaʻi ʻo HEC no ka slurry sima a me ka mortar. Hiki ke hoʻohui ʻia i loko o ka mortar e hoʻomaikaʻi i ka wai a me ka hana kūkulu, a e hoʻolōʻihi i ka manawa mahu wai, Hoʻomaikaʻi i ka ikaika mua o ka sima a pale i nā māwae. Hiki iā ia ke hoʻomaikaʻi nui i kona paʻa wai a me ka ikaika hoʻopaʻa i ka wā e hoʻohana ʻia ai no ka plastering plaster, ka plaster hoʻopaʻa, a me ka plaster putty. 4. Hoʻohana ʻia i ka toothpaste: ma muli o kona kūpaʻa ikaika i ka paʻakai a me ka waikawa, hiki iā HEC ke hōʻoia i ke kūpaʻa o ka toothpaste. Eia kekahi, ʻaʻole maʻalahi ka maloʻo ʻana o ka toothpaste ma muli o kona paʻa wai ikaika a me ka hiki ke emulsifying. 5. Ke hoʻohana ʻia i ka ʻīnika wai, hiki i ka HEC ke hoʻomaloʻo koke i ka ʻīnika a me ka ʻole o ka permeability. Eia kekahi, hoʻohana nui ʻia ʻo HEC i ka paʻi ʻana a me ka hoʻoluʻu ʻana i ka lole, ka hana pepa, nā kemika o kēlā me kēia lā a pēlā aku. 6. Nā akahele no ka hoʻohana ʻana iā HEC: a. Hygroscopicity: ʻO nā ʻano āpau o ka hydroxyethyl cellulose HEC he hygroscopic. ʻO ka nui o ka wai ma lalo o 5% i ka wā e haʻalele ai i ka hale hana, akā ma muli o nā ʻano halihali a me ka mālama ʻana, ʻoi aku ka kiʻekiʻe o ka wai ma mua o ka wā e haʻalele ai i ka hale hana. I ka wā e hoʻohana ai, e ana wale i ka nui o ka wai a unuhi i ke kaumaha o ka wai i ka wā e helu ai. Mai hōʻike iā ia i ka lewa. b. He pahū ka pauka lepo: inā aia nā pauka organik a me ka pauka lepo hydroxyethyl cellulose i ka lewa ma kahi ʻāpana, e pahū pū lākou ke hālāwai lākou me kahi kiko ahi. Pono e hana pono e pale aku i ka pauka lepo i ka lewa i ka hiki. 7. Nā kikoʻī o ka hoʻopili ʻana: Hana ʻia ka huahana i ka ʻeke composite pepa-plastic i uhi ʻia me ka ʻeke polyethylene i loko, me ke kaumaha o 25 kg. E mālama i kahi ea a maloʻo hoʻi i loko o ka hale i ka wā e mālama ai, a e makaʻala i ka makū. E makaʻala i ka pale ʻana i ka ua a me ka lā i ka wā e lawe ʻia ana. ʻO ka Hydroxypropyl methyl cellulose, i kapa ʻia ʻo (HPMC): ʻo ka hydroxypropyl methyl cellulose (HPMC) he pauka keʻokeʻo ʻala ʻole, ʻono ʻole, ʻaʻohe ʻawaʻawa, aia ʻelua ʻano o ka wikiwiki a me ka wikiwiki ʻole, koke. Ke hui ʻia me ka wai anuanu, hoʻopuehu koke ia a nalowale i loko o ka wai. I kēia manawa, ʻaʻohe mānoanoa o ka wai. Ma hope o 2 mau minuke, piʻi ka mānoanoa o ka wai, e hana ana i kahi colloid viscous moakaka. ʻAno ʻaʻole koke: Hiki ke hoʻohana wale ʻia i nā huahana pauka maloʻo e like me ka pauka putty a me ka sima sima. ʻAʻole hiki ke hoʻohana ʻia i loko o ka glue wai a me ka pena, a e loaʻa ka puʻupuʻu.
Ka manawa hoʻouna: Dec-26-2022