Cellulose ether ndi polymer yopanga iyaic-yopanga, yomwe ndi yosungunuka madzi ndi solveleble. Imakhala ndi zovuta zosiyanasiyana m'mafakitale osiyanasiyana. Mwachitsanzo, m'magawo omanga mankhwala, ili ndi zotsatirazi:
Wothandizira Wogwira Ntchito
②thickener
Kuchulukitsa
Mapangidwe a ④film
⑤ Burder
Mu mankhwala a Polyvinyl chloride, ndi emulsiferier ndi obalalika; M'makampani opangira mankhwala, ndi wowonda komanso wodekha komanso wowongolera amatulutsa magwiridwe ake, ndi zina zambiri. Kenako, ndidzayang'ana pa kugwiritsa ntchito ndi ntchito ya ethel ether zinthu zosiyanasiyana zomangamanga.
1. In the latex paint industry, choose hydroxyethyl cellulose, the general specification of equal viscosity is RT30000-50000cps, which corresponds to the specification of HBR250, and the reference dosage is generally about 1.5‰-2‰. Ntchito yayikulu ya hydroxyethyl mu utoto wa latex ndi kunenepa, pewani kupezeka kwa pigment, kumathandizanso kufalikira kwa pigment, ndikuwonjezera mamasukidwe a zinthuzo, zomwe zimathandiza pakupanga zomangamanga : Hydroxyethyl cellulose ndiyofunika kugwiritsa ntchito. Itha kusungunuka m'madzi ozizira kapena madzi otentha, ndipo sizikhudzidwa ndi mtengo wa pH. Itha kugwiritsidwa ntchito bwino pakati pa PIMU 2 ndi 12. Njira zogwiritsira ntchito ndizotere:
I. Onjezani molunjika: Panjira imeneyi, njira iyi, hydrothyl cellulose yachedwa kuyikidwa, ndipo hydroxyethyl cellulose yosemphana ndi mphindi 30 imagwiritsidwa ntchito. Kuchuluka koyeretsa mkati mwa kamwa ② istart movekedwa pang'ono mosalekeza, ndipo nthawi yomweyo onjezani ma hydroxyeth Kusungunuka kwathunthu, kenako onjezerani zigawo zina mu fomula, ndikupera mpaka chinthu chomaliza.
Ⅱ. Okonzeka ndi zakumwa zakumwa zoledzeretsa pambuyo pake: Njira iyi imatha kusankha nthawi yomweyo, yomwe ili ndi mphamvu-matenda. Ubwino wa njirayi ndikuti umasinthasintha kwambiri ndipo amatha kuwonjezeredwa mwachindunji penti ya latex. Njira yokonzekerayo ndi yofanana ndi masitepe ① - ④.
Ⅲ. Konzani phala logwiritsira ntchito pambuyo pake: Popeza ma sodic okhazikika ndi osauka (opanda kanthu) a hydroxyethyl, izi sol sol ingagwiritsidwe ntchito kukonza phala. Ogwiritsa ntchito solic yemwe amapezeka kwambiri ndi zakumwa zopangidwa ndi utoto wa utoto wa latex, monga ethylene glycol, Propylene Glycol, ndi othandizira mafilimu (monga ma mestylene glycol). Porridge hydroththyl cellulose imatha kuwonjezeredwa mwachindunji penti. Pitilizani kusuntha mpaka kusungunuka kwathunthu.
2. Pamalo a Phwando: Pakadali pano, chitetezo cha chilengedwe chomwe chimagwiritsidwa ntchito ndi mizinda yambiri mdziko muno m'dziko langa lakhala lofunika ndi anthu. Guluu wathanzi, zomangamanga zimapangidwa ndi kusokoneza mowa wa polyvinyl ndi formaldehyde. Chifukwa chake, zinthuzi zimachotsedwa pang'onopang'ono ndi anthu, ndipo mankhwala opanga a Eleal Ether amagwiritsidwa ntchito m'malo mwa izi. Ndiye kuti, pakukula kwa zida zomangira zomangira, cellulose ndi zinthu zokhazokha. M'kunjenjemera ndi madzi, amagawidwa m'mitundu iwiri: ufa wowuma ndi phala. Mwa mitundu iwiri iyi ya putty, yosinthidwa methyl cellulose ndi hydroxypropyl methyl iyenera kusankhidwa. Kutanthauzira kwa ma visto kuli pakati pa 30000-60000cps. Ntchito zazikuluzikulu za cellulose ndi madzi osungidwa ndi mafuta. Popeza njira zopangira zosiyanasiyana ndizosiyana, ena ndi a calcium, sitacium, simenti yoyera, etc., etc.ction ya cellose mu Mitundu iwiri ndi yosiyananso. Ndalama zomwe zimawonjezeredwa pafupifupi 2 ‰ -3 ‰. Pomanga makoma a khoma, popeza maziko a khoma amatenga mayamwidwe amadzi (madzi ammadzi a khoma la njerwa (madzi) Kuphatikiza ndi kusintha kwa dziko lakunja, ngati purty imataya madzi mwachangu, imabweretsa ming'alu kapena kuchotsedwa ufa, komwe kumamufooketsa mphamvu za paten. Chifukwa chake, kuwonjezera ma eleluse ether kumathetsa vutoli. Koma mtundu wa zosefera, makamaka mtundu wa calcium ndikofunika kwambiri. Chifukwa cha mafayilo akuluakulu a cellulose, malowo amalimbikitsidwanso, ndipo kusamba kwakukumba panthawi yomanga kumapeweranso, ndipo kumakhala komasuka komanso kupulumutsidwa. Ndikosavuta kuwonjezera cellulose ether mu ufa. Kupanga ndi kugwiritsa ntchito kwake ndikosavuta. Zosefera ndi zowonjezera zimatha kukhala zophatikizika mu ufa wouma.
3. Matope a Connet: Mu matope a Cyrete, kuti akwaniritse mphamvu zazikulu, simenti iyenera kukhala yochenjera. Makamaka nthawi yomanga chilimwe, mavalidwe mavalidwe a konkriti amataya madzi mwachangu, ndipo miyeso yaukalamba imagwiritsidwa ntchito mosasamala komanso kuwaza madzi. Njira yoyamba ndikuyambitsa zinyalala zamadzi komanso kugwirira ntchito kosavomerezeka. Mfundo yofunika ndi yoti madziwo ali pamwamba, ndipo hydration wamkati sukwaniritsidwa. Chifukwa chake, yankho la vutoli ndikuwonjezera madioni asanu ndi atatu osungira madzi ku konkriti. Nthawi zambiri, hydroxypropyl yasankhidwa. Methyl kapena methyl cellulose, malingaliro a Viscyl ali pakati pa 20000-60000cps, ndi kuchuluka kwake ndi 2% -3%. Kusunga kwamadzi kumatha kuwonjezeka mpaka 85%. Njira yogwiritsira ntchito konkriti ya matope ndikusakaniza ufa wowuma kwambiri ndikuthira m'madzi.
4. Mu gypsing gypsum, yolumikizira gypsum, ndi gypsum, ndi chiwonetsero cha gypsum: ndikukula mwachangu kwa makampani omanga, kufunikira kwa anthu pazopangira zatsopano zikuwonjezeka. Chifukwa chakuwonjezereka kwa anthu oteteza zachilengedwe komanso kusintha mosalekeza kwa ntchito yopanga, Cememist, zinthu zina zimapangidwa mwachangu. Pakadali pano, zinthu zodziwika bwino kwambiri za gypsum ndizovala gypsum, gypsum gypsum, gypsuid gypsum, ndi matayala a tile. Kupaka gypsum ndi chinthu chapamwamba chojambulidwa pazida zamkati ndi denga. Khoma lopakidwa pakhoma lili ndi labwino komanso losalala. Nyumba yatsopano yomanga zomatira ndi zinthu zomata zopangidwa ndi gypsum monga maziko a maziko ndi zowonjezera zosiyanasiyana. Ndioyenera kugwirizanitsa pakati pa zida zamakhoma osiyanasiyana. Ndiwopanda mphamvu, zopanda mphamvu, zoyambirira, zomangira mwachangu, kulumikizana kwamphamvu ndi zinthu zina, ndizothandiza pomanga matabwa ndikutchinjiriza; Gypsum Poulicketing ndi gap filler pakati pa mabodi a gypsum ndi filler yokonza makoma ndi ming'alu. Zinthu zama gypsum zimagwira ntchito zosiyanasiyana. Kuphatikiza pa gawo la gypsum ndi mafayilo okhudzana, nkhani yofunika ndikuti ma celluuse owonjezera a celhar owonjezera amagwira ntchito yotsogolera. Popeza gypsum agawidwa m'ma gypsum gypsum ndi hemihydrate gypsum, gypsum yosiyanasiyana imakhala ndi zotsatirapo zosiyanasiyana pakuchita kwa mankhwalawo, kusunthika kwa madzi ndikubweza kutsimikizira mtundu wa gypsum. Vuto lodziwika bwino la zinthuzi ndi lobowola komanso kusokonekera, ndipo mphamvu yoyamba siyingafikidwe. Kuti muthane ndi vutoli, ndikusankha mtundu wa cellulose ndi njira yolumikizira yokhotakhota. Pankhaniyi, methyl kapena hydroxypropyl 10000 nthawi zambiri amasankhidwa. -60000cps, kuchuluka kowonjezera ndi 1.5% -2%. Mwa iwo, ma cellulose amayang'ana kwambiri kusungidwa kwamadzi komanso kutaya mafuta. Komabe, ndizosatheka kudalira ma cellulose ether, ndipo ndikofunikira kuwonjezera chobwezeretsa acitic acid kuti musakanikize ndi kugwiritsa ntchito popanda kukhumudwitsa mphamvu zoyambira. Kusungidwa kwamadzi nthawi zambiri kumatanthauza madzi ambiri omwe adzatayika mwachilengedwe popanda madzi akunja. Ngati khomalo ndi louma kwambiri, madzi otumphuka ndi madzi otuluka pansi pa maziko adzachotsa madzi mwachangu, komanso yopanda komanso kuwonongeka kudzachitikanso kudzachitika. Njira yogwiritsira ntchito imaphatikizika ndi ufa wouma. Ngati mukukonzekera yankho, chonde onani njira yothetsera yankho.
5. Matombivu ofunikira matope ndi mtundu watsopano wa zotchingira za khoma lamkati kumpoto. Ndiwona ndi zinthu zam'mimba mwa kutchinga, matope ndi oyamwa. Munkhaniyi, ma cellulose amagwira ntchito yofunika kwambiri pogwirizanitsidwa komanso kulimbikira mphamvu. Nthawi zambiri amasankha methyl cellulose yokhala ndi mamasukidwe apamwamba (pafupifupi 10000es), mlingo nthawi zambiri umakhala pakati pa 2 ‰ -3 ‰), ndipo njira yogwiritsira ntchito ufa ndi ufa wosakaniza.
6. Wophunzira wa Nativefafan amasankha hpnc 20,000 monga mawonekedwe othandizira, sankhani ma cps 60,000 omata kapena kupitilira apo ngati matanga, ndipo amayang'ana kwambiri nyongayo ndi mphamvu ya antile. Amagwiritsidwa ntchito ngati wothandizira madzi muukadaulo wamatanda kuti aletse matayala kuti asakhumudwe mwachangu ndikugwa.
Post Nthawi: Feb-18-2023