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chophimba cha rabara chopangidwa ndi chlorine

Chifukwa cha kusintha kwachuma ku China, chitukuko cha makampani opanga makina chikuchulukirachulukira, ndipo gawo la zipangizo zotsutsana ndi ziphuphu zofunika pamakampani opanga makina labweretsanso nthawi yayikulu yopangira. Zinthu zambiri zopambana komanso zabwino kwambiri zotsutsana ndi dzimbiri zinayamba kugulitsidwa pamsika. Chophimba cha rabara chokhala ndi chlorine chadziwika ndi ogwiritsa ntchito ambiri chifukwa cha magwiridwe ake abwino kwambiri ndipo chimadziwika bwino pamsika. Kuyambira m'ma 1960, zophimba za rabara zokhala ndi chlorine zakhala zikugwiritsidwa ntchito kwambiri popanga zombo, m'mabotolo, m'malo osungira madzi, m'mafakitale a petrochemical ndi magetsi ngati chophimba chothandizira mano kuvunda, ndipo chimagwira ntchito yofunika kwambiri pakukula kwachuma.
Deta yofunikira ikuwonetsa kuti zophimba mphira zokhala ndi chlorine zimangopanga magawo awiri kapena atatu pa zana a msika wonse wa zophimba mphira zotsutsana ndi dzimbiri. Ogwiritsa ntchito ambiri sadziwa bwino za zophimba mphira zokhala ndi chlorine, makamaka opanga ochepa kuti akwaniritse zofuna zachuma, ndi mankhwala ena otsika mtengo a chlorine kuti alowe m'malo mwa zigawo zachizolowezi za zophimba mphira zokhala ndi chlorine, zomwe zinasokoneza msika, komanso zinakhudza chitukuko cha zophimba mphira zokhala ndi chlorine. Pofuna kupititsa patsogolo kumvetsetsa kwa ogwiritsa ntchito ambiri ophimba mphira zokhala ndi chlorine, kulimbikitsa kukwezedwa ndi kugwiritsidwa ntchito kwa zophimba mphira zokhala ndi chlorine, ndikukweza mulingo wa chitukuko cha makampani opanga zophimba ku China, tsopano wolembayo potengera kafukufuku wa nthawi yayitali, zinthu zoyambira za zophimba mphira zokhala ndi chlorine, magulu, kugwiritsa ntchito ndi zina zomwe zili mkati mwake zayambitsidwa, ndikuyembekeza kuthandiza ogwiritsa ntchito ambiri ophimba mphira.

Chidule cha zokutira za mphira wa chlorine

Chophimba cha rabara cha chlorine chimapangidwa ndi utomoni wa rabara wa chlorine wopangidwa ndi rabara wachilengedwe kapena rabara wopangidwa ngati zinthu zopangira monga matrix resin, kenako ndi zinthu zothandizira ndi zosungunulira. Utomoni wa rabara wa chlorine uli ndi kuchuluka kwa mamolekyulu ambiri, palibe polarity yodziwikiratu ya mamolekyulu, kapangidwe kokhazikika komanso kukhazikika kwabwino. Kuchokera pakuwoneka, utomoni wa rabara wa chlorine ndi ufa woyera wolimba, wopanda poizoni, wopanda kukoma, wopanda kuyabwa. Zophimba za rabara za chlorine zingagwiritsidwe ntchito mosavuta, ndi ntchito zosiyanasiyana, ndipo zingagwiritsidwe ntchito ndi mitundu yosiyanasiyana ya utoto monga primer, pakati pa utoto kapena utoto wapamwamba. Pakati pawo, chomwe chimagwiritsidwa ntchito kwambiri chimagwiritsidwa ntchito ngati topcoat yofananira zophimba. Mwa kusintha utomoni wa rabara wa chlorine ndi ma resin ena, zinthu zosiyanasiyana zitha kupezeka kapena kukonzedwa kuti zikwaniritse bwino zophimba.

makhalidwe a zokutira za mphira wa chlorine

1. Ubwino wa utoto wa rabara wothira chlorine

1.1 Kukana kwapakati komanso kukana nyengo
Pambuyo poti utoto wa rabara wopangidwa ndi chlorine wapangidwa, ma bond a mamolekyu a utomoni mu utoto wa utoto amamangiriridwa mwamphamvu, ndipo kapangidwe ka mamolekyuwo kamakhala kokhazikika kwambiri. Pachifukwa ichi, utoto wa rabara wopangidwa ndi chlorine uli ndi kukana kwabwino kwa nyengo komanso kukana bwino madzi, asidi, alkali, mchere, ozoni ndi zinthu zina. Kulowa kwa madzi ndi mpweya ndi gawo limodzi mwa magawo khumi okha a zinthu za alkyd. Kuchokera pakuwona kwa zaka zambiri zogwiritsidwa ntchito, utoto wa rabara wopangidwa ndi chlorine ulinso ndi kukana kwamphamvu kwa zosungunulira za aliphatic, mafuta oyengedwa ndi mafuta opaka, ndipo ungagwiritsidwe ntchito pochiza nkhungu m'malo onyowa, ndipo kukana kwa cathode stripping ndikwabwino kwambiri.
1.2 Kumatira bwino, kugwirizana bwino ndi mitundu ina ya zokutira
Chophimba cha rabara chobiriwira chomwe chimagwiritsidwa ntchito ngati choyambira chimakhala ndi kukanikiza kwakukulu ku chitsulo. Monga utoto wapamwamba, utoto wapakati ungagwiritsidwe ntchito ndi epoxy resin, polyurethane ndi mitundu ina ya choyambira, zotsatira zake zimakhala zapamwamba kwambiri. Chophimba cha rabara chopangidwa ndi chlorine n'chosavuta kukonza, mungagwiritse ntchito chophimba cha rabara chopangidwa ndi chlorine kuti mupakanso utoto, mungagwiritsenso ntchito acrylic, zophimba zosiyanasiyana zochokera ku solvent ndi mitundu yonse ya zophimba zoletsa kuipitsa kuti mukonze burashi.
1.3 Kapangidwe kosavuta komanso kothandiza
Chophimba cha rabara chopangidwa ndi chlorine ndi chophimba cha gawo limodzi, nthawi yopangira filimu ndi yochepa kwambiri, liwiro la ntchito yomanga ndi lachangu. Zofunikira pa kutentha kwa ntchito yomanga ya chophimba cha rabara chopangidwa ndi chlorine ndi zazikulu, ndipo zimatha kupangidwa kuyambira madigiri -5 mpaka madigiri 40 pamwamba pa ziro. Kuchuluka kwa chosungunula chomwe chimawonjezeredwa panthawi yomanga ndi kochepa kwambiri, ndipo ngakhale palibe chosungunula chomwe chingawonjezedwe, zomwe zimachepetsa kusinthasintha kwa zosungunulira zachilengedwe ndipo zimakhala ndi magwiridwe antchito abwino pa chilengedwe. Chophimba cha rabara chopangidwa ndi chlorine chingagwiritsidwe ntchito mwachindunji pamwamba pa simenti, ndipo chimakhala ndi kukana kwabwino kwa alkali. Chikagwiritsidwa ntchito pa ntchito za mzere wopangira, njira ya "yonyowa motsutsana ndi yonyowa" ingagwiritsidwe ntchito popopera, zomwe zimapangitsa kuti ntchito yopangira ikhale yogwira mtima kwambiri.

2. Zofooka ndi zofooka za utoto wa rabara wothira chlorine

2.1 Chophimba cha rabara chopangidwa ndi chlorine mtundu wakuda, kuwala kochepa, fumbi losavuta kuyamwa, mtundu wake siwolimba, sungagwiritsidwe ntchito ngati utoto wokongoletsera;
2.2 Kukana kutentha kwa chophimbacho kumakhala kovuta kwambiri ku madzi. M'malo onyowa, kukana kutentha kumachepa kwambiri. Kutentha kwa kutentha komwe kumawola m'malo ouma ndi 130 ° C, ndipo kutentha komwe kumawola kutentha komwe kumawola m'malo onyowa ndi 60 ° C yokha, zomwe zimapangitsa kuti utoto wa rabara wothira chlorine ugwiritsidwe ntchito pang'ono, ndipo kutentha kwakukulu komwe kumagwiritsidwa ntchito sikungapitirire 70 ° C.
2.3 Utoto wa rabara wokhala ndi chlorine uli ndi mphamvu zochepa komanso makulidwe a filimu yopyapyala. Kuti filimuyo iwonekere yopyapyala, iyenera kupopedwa mobwerezabwereza, zomwe zimakhudza momwe ntchito ikuyendera;
2.4 Chophimba cha rabara chokhala ndi chlorine sichimalola zinthu zonunkhiritsa ndi mitundu ina ya zosungunulira. Chophimba cha rabara chokhala ndi chlorine sichingagwiritsidwe ntchito ngati chophimba chamkati mwa khoma m'malo omwe pangakhale zinthu zosalolera, monga mapaipi a mankhwala, zida zopangira ndi matanki osungira. Nthawi yomweyo, chophimba cha rabara chokhala ndi chlorine sichingakhale chokhazikika kwa nthawi yayitali ndi mafuta a nyama ndi mafuta a masamba;

njira yopangira utoto wa rabara wothira chlorine

1. Kafukufuku wokhudza kusinthasintha kwa utoto wa utoto. Zophimba za rabara za chlorine zimagwiritsidwa ntchito kwambiri pochiza zinthu zachitsulo.

Popeza kuchuluka kwa zinthu zachitsulo kudzasintha kwambiri kutentha kukasintha, kuti zitsimikizire kuti mtundu wa filimu ya utoto sudzakhudzidwa kwambiri pamene gawo lapansi likukulirakulira ndikuchepa, chophimba cha rabara chokhala ndi chlorine chiyenera kukhala ndi kusinthasintha kwabwino kuti chichepetse kupsinjika komwe kumachitika pamene gawo lapansi likukulirakulira kwambiri. Pakadali pano, njira yayikulu yowonjezerera kusinthasintha kwa utoto wa rabara wokhala ndi chlorine ndikuwonjezera parafini yokhala ndi chlorine. Kuchokera ku deta yoyesera, pamene kuchuluka konse kwa parafini yokhala ndi chlorine kufika pa 20% ya utomoni wa rabara wokhala ndi chlorine, kusinthasintha kwa filimu kumatha kufika pa 1 ~ 2mm.

2. Kafukufuku pa ukadaulo wosintha zinthu
Pofuna kukonza mawonekedwe a utoto wa filimu ndikukulitsa kuchuluka kwa zophimba za rabara za chlorine, ofufuza achita kafukufuku wambiri wosintha pa zophimba za rabara za chlorine. Pogwiritsa ntchito rabara ya chlorine yokhala ndi alkyd, epoxy ester, epoxy, coal tar pitch, thermoplastic acrylic acid ndi vinyl acetate copolymer resin, zophimba za composite zapita patsogolo kwambiri pakusinthasintha kwa utoto wa filimu, kukana nyengo ndi kukana dzimbiri, ndipo zalimbikitsa chitukuko cha makampani ophimba zoteteza dzimbiri kwambiri.

3. Phunzirani za kuchuluka kwa zophimba
Kuchuluka kwa pulasitiki ya rabara yokhala ndi chlorine kuli kochepa ndipo makulidwe a filimuyi ndi ochepa, kotero kuti kuti ikwaniritse zofunikira za makulidwe a filimuyi, ndikofunikira kuwonjezera nthawi yopukutira ndikukhudza magwiridwe antchito opanga. Pofuna kuthetsa vutoli, ndikofunikira kuyambira pamizu ndikuwonjezera kuchuluka kwa utoto wolimba. Popeza pulasitiki ya rabara yokhala ndi chlorine ndi yovuta kuithira madzi, kuchuluka kwa pulasitiki kumatha kuchepetsedwa kokha kuti zitsimikizire kuti ntchito yomanga ikuyenda bwino. Pakadali pano, kuchuluka kwa pulasitiki ya rabara yokhala ndi chlorine kuli pakati pa 35% ndi 49%, ndipo kuchuluka kwa solvent kuli kwakukulu, zomwe zimakhudza magwiridwe antchito a pulasitiki.

Njira zazikulu zowonjezerera kuchuluka kwa zophimba za rabara zopangidwa ndi chlorine ndikusintha nthawi yolowera mpweya wa chlorine ndikuwongolera kutentha kwa reaction popanga utomoni wa rabara zopangidwa ndi chlorine.

Zambiri zaife

Kampani yathunthawi zonse wakhala akutsatira "sayansi ndi ukadaulo, khalidwe loyamba, kuona mtima komanso kudalirika, kukhazikitsa malamulo okhwima a ls0900l:.2000 dongosolo lapadziko lonse lapansi loyang'anira khalidwe. Kasamalidwe kathu kolimba, luso lathu lopanga zinthu zabwino, lapambana kudziwika kwa ogwiritsa ntchito ambiri.Monga katswiri fakitale yokhazikika komanso yolimba yaku China, titha kupereka zitsanzo kwa makasitomala omwe akufuna kugula, ngati mukufuna mtundu uliwonse wa utoto, chonde titumizireni.