Nthawi yomweyo, itha kusintha mphamvu zosokoneza komanso mphamvu zaHpmc hydroxypropyl me cellulose, kupititsa patsogolo njira yeniyeni ya zomangamanga zainjini, kusintha mphamvu. HPMC hydroxypypyl cellulose imatha kukonza mphamvu yomatira ya ufa wa putty, chepetsani kuwongolera, kuonetsetsa kuti zikuyenda bwino. Hydroxypropyl Meathl Cellulose imatha kuwonjezera nthawi yothamanga ndikuthane ndi vuto la polocha komanso mphamvu yokhazikika yopanga injini zomanga.
Matope otseguka am'madzi omanga magetsi ndi matope amatha kusakanikirana mokwanira, ndipo mosadziwikiratu amatha kusintha mphamvu ya matope. Nthawi yomweyo, mphamvu zopsinjika ndi mphamvu za hydroxypropyl methyl cellulose zitha kusintha moyenera kuti zithandizire kukonzanso kwa ntchito ndikusintha.
Mwana wonyozeka,HpmcHydroxypropyl Medielose, zotsatira za hydroxypropyl methy cellulose mu ufa wa putty, kuteteza kuyanika ndikuwumitsa chifukwa madzi ambiri amatuluka. Hydroxypyl methy cellulose imatha kusintha gulu lamphamvu la putty ufa, kuchepetsa mawonekedwe, onetsetsani kuti ntchito zomangamanga.
HPMC hydroxypropyl celyl cellulose kiyi yokhala ndi madzi otsekemera, akukula, kunyowetsa, kunyowetsa, kunyowa, kumachitika chifukwa china choyambirira. Hydroxypropyl Meathl Cellulose imatha kuwonjezera nthawi yothamanga ndikuthane ndi vuto la polocha komanso mphamvu yokhazikika yopanga injini zomanga.
HPMC hydroxypypyl celyl cellulose yakumanzere matope imagwira ntchito yofunika kwambiri pankhani yogwirizana, ndikuwonjezera mphamvu yovuta ya zida zophatikizika. Matope ndikosavuta kuphimba, kulimbikitsa bwino, ndi ntchito yoyambira ya ma odana ndi zotsatira zomveka bwino. Ntchito yotseka yamadzi ya hydroxypypyl methyl cellulose imatha kuwonjezera nthawi ya matope, kukonzanso kukana kophatikizika ndikuwongolera, ndikuwongolera mphamvu yolimbana ndi yogwirizana.
Madzi osungunuka kwambiri osungunuka kwambiri amachotsa kufunika kwa matailosi okhazikika kapena okhazikika pansi, kukonza mphamvu yolimba. Nthawi yoyenda yomanga ikuluikulu imakhala yayitali, yomanga nyimbo, yomanga nyimbo, yokhala ndi chinyezi chabwino.
Pamunda wa zokutira zachilengedwe, hydroxypropyl methyl cellulose ingagwiritsidwe ntchito ngati othandizira am'makanema, dekelsiririer, kuti filimuyo ili bwino kuvala kukana, kuti musunthe. PH yomwe imagwiritsidwa ntchito kukonza mavuto osagwirizana, ndipo osakaniza ndi yankho ndi labwino ndipo ali ndi bwino.
Kukula kwachuma kwachuma kumakhala ndi mphamvu yabwino, kusokonekera kwamphamvu kwamadzi komanso kukalamba zabwino. Mwala weniweni wokhala ndi mapangidwe a miyala ndiyofunikira kwambiri. Toni ya lacquer yapamwamba kwambiri imapangidwa ndi 300kg yoyera ya styrene-acrylic emulsion, 650kg yoyera yamiyala yamiyala yam'madzi ndi zina. Masakidwe apamwamba kwambiri amadziwika ndi zitsulo zambiri zonunkhira. Pamene madzi akupanga ndi 50%, voliyumu ya 300kg yonyowa pambuyo pouma ndi pafupifupi ma malita 150, ndipo mtengo wa mchenga wolemera wa 650kg uli pafupifupi 228 malita. Ndiye kuti, pankhaniyi, utoto weniweni wa mwala (utoto wa utoto wa utoto) ndi 60%. Chifukwa cha kukula kwakukulu ndi tinthu tating'onoting'ono pang'ono, pansi pa kuwunika kwina kwa tinthu tating'onoting'ono, kuphatikizika kwa khoma kumatha kukhala pafupi ndi mtengo wa CPVC).
Kwa viscosirif, ngati mavidiyo a cellulose amasankhidwa, zosemphana ndi kunja zimatha kupanga mwatsatanetsatane, utoto wokhazikika, kuti akwaniritse zojambula zitatu za khoma lakunja. Malamulo atatu ovala zovala. Zowona Madzi ndi zinthu zosamalira khungu. Mtundu uwu wa utoto weniweni wa miyala nthawi zambiri mkati mwa 75%? Pakati pa 85%, mu opareshoni ndizouma, zojambula zenizeni zamiyala ndizovuta kukhazikitsa zojambula zoperewera. Chifukwa chake, momwe mungagwiritsire ntchito mokwanira chinyezi chochepa emuside obisika, kuti zokuti zigwirizane momwe zingatheke.
Zovala zenizeni zamiyala zimakhala ndi mawonekedwe a ma visction otsika (kulemera kwambiri kwa mawonekedwe). Chifukwa cha kuchuluka kwa mtengo wa zinthu zam'mapiri, mafalo akusintha kuchokera ku 30000 mpaka 500000000, ngakhale atakula ndi 200000, cholinga ndikuchepetsa celylose cellose (hec ) Kwa hydroxyl acrylic cellose (hpmc); Kugwiritsa ntchito methyl methl cellulose hpmc hpmc kuwongolera utoto womanga miyala, kenako ndikusintha mawilo a cellulose (ma celecular enieni omwe atsirizika? Yankho ndilakuti magwiridwe ake a utoto wa mwala udzakulirakulira!
HPMC ikhoza kugawidwa kuti ikhale mitundu yosungunuka komanso kutentha. Madzi ozizira akamabalalitsa mofulumira ndikutha m'madzi, hpmc amatha kugawidwa kuti ndi mitundu yanthawi yomweyo komanso kutentha. Pakadali pano, madzi alibe mafakisoni, chifukwa HPMC imangomwazika m'madzi, ndipo palibe malingaliro osungunuka. Pambuyo pa 2min, mafayilo amadzimadzi amakula pang'onopang'ono, ndikupanga yankho lowoneka bwino la zithunzi. Pamene kutentha kwanyengo yosungunuka kwachuma mukadziunjikira m'madzi ozizira, amatha kufalitsa mwachangu m'madzi otentha ndikusungunuka m'madzi otentha. Kutentha kozungulira kumachepetsedwa kukhala kutentha kwakanthawi, mafayilo amachitika pang'onopang'ono mpaka yankho lowonekera bwino la colloidal limapangidwa. Mtundu wa matenthedwe osungirako nyama amagwiritsidwa ntchito pokhapokha khoma lamkati ndi matope. M'madzi a superglue ndi zokutira, pali anthu ambiri omwe sangagwiritsidwe ntchito. Mtundu wofulumira - wosinthira wa sulubility ali ndi gulu lonse la ntchito. Itha kugwiritsidwa ntchito ngati khonde lamkati la putty ndi matope, ndi madzi apamwamba komanso okutira. Palibe taboo.
Madzi otentha amasungunuka: chifukwa HPMC m'madzi otentha sizisungunuka, motero HPMC mu ulalo woyambirira ungathe kubazidwa m'madzi otentha, kenako ndikusungunuka mwachangu mukamazizira. Njira ziwiri zodziwika bwino zimafotokozedwa motere:
1) Ikani madzi otentha omwe mumafunikira mu chombo ndikuchitenthe pafupifupi 70 ℃. Pang'onopang'ono sakanizani, pang'onopang'ono onjezani hydroxpyl methyl cellulose, pang'onopang'ono rpmc kuyandama pamtsinje, kenako pang'onopang'ono kumatulutsa chitsirizo firiji pakusakanikirana.
2) Onjezani 1/3 kapena 2/3 yamadzi m'chiwiya ,tenthe mpaka 70 ℃, kudzatenthe mpaka 70 ℃ kuti athe kufalitsa HPMC, ndikukonzekera madzi otentha; Madzi ozizira otsalawo amawonjezedwa ku sludge yotentha ndikusakanikirana ndi kusakaniza kozizira.
Njira yosakanikirana: HPMC ufa wokhala ndi blender ndi zosakaniza zina zambiri za ufa zosakaniza zokwanira, kenako onjezerani madzi kuti musungunuke. Pakadali pano, hpmc imatha kusungunuka pankhani ya kusala, chifukwa ngolo iliyonse imangocheperapo, madzi akasungunuka nthawi yomweyo - njira iyi ndikungogwiritsa ntchito ufa wamkati ndi opanga. [HPMC] Monga wothandizila wothandizila komanso wowononga mu matope a khoma lamkati.
Ichi ndi ma hydroxypropyl methy cellose (HMPC) misozi yopanga, yomwe ili pafupi ndi ma viscoelastic zinthu (makamaka mucin) misozi. Imatsatira pansi pamaso kudzera mu adsorpption ya polinmer, ndikufanizira udindo wa conjunctival mucin, kuti athandizenso kuchepetsedwa kwa mucin m'maso ndikuwonjezera chonyowa cha ziphuphu.
Mu ufa wa putty, wokulirapo, kusungidwa kwamadzi ndikumanga kachitatu. Kukula, cellose imatha kufotokozedwa kuti iyimitsidwe, kotero kuti yankho limakhala yunifolomu ndikuwongolera udindo wotsutsa. Kusungidwa kwamadzi: Pangani utoto ufa wowuma pang'onopang'ono, ogwiritsa ntchito imvi ya Exilary Imvi pazinthu zomwe zimachitika. Ntchito Yomanga: Mafuta a cellulose, amatha kupanga ufa wanu ali ndi ntchito yabwino. HPMC sitenga nawo mbali pamavuto aliwonse, koma imangochita zinthu zothandiza.
Utoto wazolowezi umasinthasintha mtundu, ndipo amatha kukwaniritsa luso labwino kwambiri, ndipo utoto weniweni wa miyala yofunafuna moyo wabwino, uli bwino kuposa utoto, aliyense ali ndi mphamvu zake. Zojambulajambula ndi lacquer pakupanga, kuti mukhalebe ndi mitundu yoyambirira, nthawi zambiri pomaliza, tiyenera kugwiritsa ntchito varnish (mafuta owala) kuti tisunge mphamvu zawo kapena miyala.
Utoto wa lacquer, kapangidwe kake ka utoto, makamaka amagwiritsidwa ntchito kukhoma lako kukongoletsa. Tsamba lachilengedwe la matope limafotokoza mwachidule utoto ndi lacquer, kapangidwe kake kake kake kameneka kanisiya, njira zotsatirazi kuwona kusiyana pakati pa utoto wa lacquer ndi kapangidwe.
Mitengo yapamwamba ya latex, opanga kuti apulumutse ndalama, ingowonjezerani kuchuluka kwa emulsion, atangopanga zowerengera pang'ono za kupaka utoto wowuma, osapaka utoto wowoneka bwino, Tikatenga nyengo yamvula kwa nthawi yayitali, mvula imalowa mu filimu ya utoto, penti yoyera.
Opanga ena popanga lacquer, nthawi zambiri amawonjezera ma carboxymethyl cellulose, zinthu izi ndi zosungunulira zamadzi, zimapangitsa kuti madzi asungunuke, amachepetsa madzi ophimba.
Post Nthawi: Jun-09-2022