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:
① Madzi osunga chithandizo ②thickener ③levenring katundu ④film kupanga katundu ⑤bindar
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. Izi zikuyang'ana pa ntchito ndi ntchito ya ethel ether muzinthu zosiyanasiyana zomanga.
(1) Pakati pa utoto wa mochedwa:
I.dd molunjika mwachindunji: Njira iyi iyenera kusankha ma hydroxyethyl cellulose yachedwa kuchedwa, ndipo ma hydroxyethyl cellulose okhala ndi nthawi yoposa 30, kugwiritsa ntchito njira zake ndi izi:
① Ikani madzi oyera mu chidebe chokhala ndi chosakanizidwa kwambiri
② Tinani kuti musunthire mosalekeza, ndipo nthawi yomweyo imawonjezera hydroxyethyl ku yankho makamaka
③Cuntinuza kuti kusakanikirana mpaka ma granules onse anyowa
④④d zina zowonjezera komanso zowonjezera zowonjezera, etc.
Magulu a hydroxyathyl onse osungunuka kwathunthu, kenako onjezerani zigawo zina mu fomula, ndikupera mpaka 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) M'makomo a pakhoma:
Pakadali pano, m'mizinda yambiri m'dziko langa, malo osokoneza bongo komanso ophatikizika amayamikiridwa ndi anthu. Imapangidwa ndi acetal zomwe zimamwa vinyl mowa komanso 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.
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:
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 mosamala ndi kuwaza madzi. Kuwononga zinthu ndi ntchito zosokoneza. Chinsinsi chake ndikuti madziwo ali pamwamba, ndipo hydration wamkati sukwaniritsidwa. Chifukwa chake, yankho la vutoli ndikuwonjezera madioni asanu ndi atatu osungira madzi ku konkriti. Nthawi zambiri, hydroxypropyl methyl kapena methyl cellulose, malingaliro a Viecyl 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, gypsum gypsum, gypsum:
Ndi kukula kwa makampani omanga, kufunikira kwa anthu kwa zinthu zatsopano kumawonjezera tsiku ndi tsiku. Chifukwa chakuwonjezereka kwa anthu oteteza zachilengedwe komanso kusinthasintha kwa luso la kapangidwe kake, zinthu za Cemewestous zayamba msanga. 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, ndalama zowonjezera zili pakati pa 1.5% ndi 2%, ndi cholinga cha cellulose ndikusungira kwamadzi ndikubwezeretsanso 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) matope okonda matenthedwe
Matope osonyeza matontheka 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 10000), mlingo nthawi zambiri umakhala pakati pa 2% -3%, ndipo njira yogwiritsira ntchito ufa ndi ufa wosakaniza.
(6)
Sankhani HPMC 20000cps ya wothandizirayo, sankhani 60000cps kapena kupitilira apo pamasamba, ndipo yang'anani pa kukula kwa mawonekedwe othandizira, zomwe zingakuthandizeni kulimba kwa mivi ndi muvi. Amagwiritsidwa ntchito ngati wothandizira madzi muukadaulo wamatanda kuti aletse matayala kuti asakhumudwe mwachangu ndikugwa.
Post Nthawi: Feb-02-2023