Kudziwa za matabwa opaka utoto kudzakuthandizani kukhala katswiri m'nkhani imodzi!

Nkhani

Anthu ambiri akamagula matabwa opaka utoto, sadziwa kusiyana kwenikweni pakati pa matabwa abwino kwambiri okhala ndi utoto, chifukwa mawonekedwe ake ndi ofanana, ndipo sipadzakhala vuto ngati sagwiritsidwa ntchito nthawi.Pali zinthu zambiri zomwe muyenera kuziganizira posankha zokutira, zomwe makamaka zimaphatikizapo mtundu wa zokutira, makulidwe a zokutira, utoto wopaka ndi gloss.Kuonjezera apo, nthawi zina zofunikira za primer ndi zokutira kumbuyo kwa zokutira ziyenera kuganiziridwa.Mitundu ya zokutira zomwe panopa zimagwiritsidwa ntchito popanga zitsulo zokhala ndi mitundu monga zokutira za polyester (PE), zokutira za fluorocarbon (PVDF), zokutira za silicon modified (SMP), zokutira zolimbana ndi nyengo (HDP), zokutira za acrylic, zokutira za Polyurethane (PU), plastisol. zokutira (PVC), etc.

https://www.taishaninc.com/

Polyester (PE, Polyester)

Zovala za PE zimamatira bwino kuzinthu.Zitsulo zokhala ndi mitundu ndizosavuta kuzikonza komanso kuzipanga.Ndiotsika mtengo ndipo ali ndi zinthu zambiri.Pali kusankha kwakukulu kwa mitundu ndi ma glosses.Zovala za poliyesitala sizoyenera kukana kuwala kwa ultraviolet ndi kukana kwa ufa wa filimu yophimba.Chifukwa chake, kugwiritsa ntchito zokutira za PE kumafunikabe kukhala ndi zoletsa zina.Nthawi zambiri amagwiritsidwa ntchito m'malo omwe kuyipitsa kwa mpweya sikuli kowopsa kapena pazinthu zomwe zimafunikira njira zingapo zowumba.

▲ Makampani ogwira ntchito

Zomera zamafakitale wamba ndi malo osungiramo zinthu komanso malo osungiramo zinthu sizimayambitsa dzimbiri ku mbale zamtundu zokha, ndipo sizikhala ndi zofunika kwambiri pakukana kwa dzimbiri komanso kukana kukalamba kwa mbale zamitundu.Kuganiziridwa mowonjezereka kumaperekedwa ku zopindulitsa ndi zotsika mtengo za kumanga fakitale.

Silicone Modified Polyester (SMP, Silicone Mobified Polyester)

Popeza polyester ili ndi magulu ogwira ntchito -OH / -COOH, ndizosavuta kuchitapo kanthu ndi mankhwala ena a polima.Pofuna kupititsa patsogolo kukana kwa dzuwa ndi kununkhira kwa PE, utomoni wa silikoni wokhala ndi mtundu wabwino kwambiri wosungira komanso kukana kutentha umagwiritsidwa ntchito popanga mawonekedwe., ndipo chiŵerengero cha denaturation cha PE chikhoza kukhala pakati pa 5% ndi 50%.SMP imapereka kukhazikika bwino kwa mbale zachitsulo, ndipo moyo wake woteteza dzimbiri ukhoza kukhala wazaka 10-12.Zachidziwikire, mtengo wake ndi wapamwamba kuposa wa PE, koma chifukwa cha utomoni wa silikoni Kumatira ndi kusinthika kwa zinthuzo sikoyenera, kotero kuti mbale zachitsulo za SMP zokhala ndi utoto sizoyenera nthawi zina zomwe zimafunikira njira zingapo zopangira, ndipo ndizoyenera. amagwiritsidwa ntchito kwambiri pomanga madenga ndi makoma akunja.

Polyester yolimba kwambiri (HDP, Polyster yolimba kwambiri)

Ponena za zofooka za PE ndi SMP, British HYDRO (yomwe tsopano inapezedwa ndi BASF), Swedish BECKER ndi ena adapanga zokutira za poliyesitala za HDP zomwe zimatha kukwaniritsa 60-80% kukana kwanyengo kwa zokutira za PVDF koyambirira kwa 2000, ndipo ndizabwino kuposa zosinthidwa za silicon wamba.Chophimba cha polyester, kukana kwake kwakunja kwanyengo kumafika zaka 15.Utoto wa polyester wosamva nyengo kwambiri umagwiritsa ntchito ma monomer okhala ndi cyclohexane kapangidwe kake kaphatikizidwe kuti akwaniritse bwino pakati pa kusinthasintha, kukana nyengo ndi mtengo wa utomoni.Ma polyols osanunkhira komanso ma polybasic acid amagwiritsidwa ntchito kuchepetsa kuyamwa kwa kuwala kwa UV ndi utomoni., kuti akwaniritse kukana kwanyengo kwa zokutira.

Zotulutsa za UV ndi ma amines oletsedwa (HALS) zimawonjezeredwa ku fomula yopenta kuti filimuyo isagonjetse nyengo.Zovala za polyester zosagwirizana ndi nyengo zakhala zikudziwika ndi msika kunja, ndipo zokutira ndizotsika mtengo kwambiri.

▲ Makampani ogwira ntchito

Zosungunulira zitsulo zopanda chitsulo (mkuwa, zinki, aluminiyamu, kutsogolera, etc.) m'mafakitale azitsulo ndi magetsi ndizovuta kwambiri pa moyo wautumiki wa mbale zamitundu.Zomera zachitsulo, zopangira magetsi, ndi zina zambiri zimatulutsanso zinthu zowononga, zomwe zimafunikira kukana kwa dzimbiri kwa mbale zamitundu.

PVC plastisol (PVC Plastisol)

PVC utomoni ali wabwino kukana madzi ndi kukana mankhwala.Nthawi zambiri amapakidwa utoto wokhazikika kwambiri.makulidwe ❖ kuyanika ndi 100-300μm.Itha kupereka zokutira zosalala za PVC kapena ma embossing opepuka popaka zokutira.;Popeza filimu yokutira ya PVC ndi resin ya thermoplastic ndipo imakhala ndi makulidwe apamwamba a filimu, imatha kupereka chitetezo chabwino pa mbale yachitsulo.Komabe, PVC ili ndi kukana kutentha kofooka.Ankagwiritsidwa ntchito kwambiri ku Ulaya m'masiku oyambirira, koma chifukwa cha malo ake osowa zachilengedwe, amagwiritsidwa ntchito mochepa.

Fluorocarbon PVDF

Chifukwa cha mphamvu zomangira zolimba pakati pa ma PVDF a Chemical bond, zokutira zimakhala ndi kukana kwa dzimbiri kwabwino kwambiri komanso kusunga utoto.Pakati pa zokutira zazitsulo zopangidwa kale zomwe zimagwiritsidwa ntchito popanga zomangamanga, ndizopamwamba kwambiri ndipo zimakhala ndi kulemera kwakukulu kwa maselo.Lili ndi dongosolo lachindunji lachimake, kotero kuwonjezera pa kukana kwa mankhwala, limakhalanso ndi makina apamwamba kwambiri, kukana kwa UV ndi kukana kutentha.Nthawi zonse, moyo wake woteteza dzimbiri ukhoza kufika zaka 20-25.M'zaka zaposachedwa, ma resins okhala ndi fluorine opangidwa ndi chlorotrifluoroethylene ndi vinyl ester monomers atchuka ku China ndipo amagwiritsidwa ntchito kwambiri pomanga makoma akunja ndi mapanelo azitsulo.Chifukwa chogwiritsa ntchito ma monomers osavuta a hydrolyzable vinyl ester ndi zomwe zili ndi fluorine, ndizotsika ndi 30% kuposa PVDF.Pafupifupi %, kotero pali kusiyana kwina pakati pa kukana kwake kwa nyengo ndi PVDF.Zomwe PVDF zili mu zokutira za fluorocarbon zopangidwa ndi Baosteel sizichepera 70% (zotsalazo ndi acrylic resin).

▲ Makampani ogwira ntchito

Zogulitsa m'makampani opanga mankhwala zimakhala zosasunthika ndipo zimatha kupanga zinthu zowononga kwambiri monga ma acid kapena alkalis.Akakumana ndi madzi, mame amatha kupanga mosavuta ndi kumamatira pamwamba pa mbale yamtundu, kuwononga zokutira zamtundu wamtunduwo ndipo mwinanso kuwononga kwambiri.ku zinki wosanjikiza kapena ngakhale mbale yachitsulo.

 

02 Gome lofananitsa la magwiridwe antchito osiyanasiyana zokutira

Pali zinthu ziwiri zofunika kwambiri pakusankha zoyambira.Chimodzi ndicho kuganizira kumamatira kwa primer, topcoat ndi gawo lapansi, ndipo china ndikuti choyambira chimapereka kukana kwa dzimbiri kwa zokutira.Kuchokera pamalingaliro awa, epoxy resin ndiye chisankho chabwino kwambiri.Ngati mumaganizira kusinthasintha komanso kukana kwa UV, mutha kusankhanso pulayimale ya polyurethane.Kwa chophimba chakumbuyo, chisankho cholondola kwambiri ndikusankha mawonekedwe amitundu iwiri ngati chitsulo chopangidwa ndi mtundu chimagwiritsidwa ntchito ngati mbale imodzi, ndiko kuti, gawo limodzi lachiyambi chakumbuyo ndi chovala cham'mbuyo chakumbuyo.Utoto wapansi ndi wofanana ndi utoto wakutsogolo, ndipo chovala chapamwamba chimakhala chopanda utoto (monga choyera) polyester.Ngati mbale yachitsulo yokhala ndi mtundu ikugwiritsidwa ntchito ngati gulu lamagulu kapena sangweji, ndikwanira kuyika utomoni wa epoxy kumbuyo ndi kumamatira kwambiri komanso kukana kwa dzimbiri.

 

03 Kusankha kwa gloss

❖Kunyezimira si chizindikiro cha ntchito.Monga mtundu, ndi chithunzi chabe.M'malo mwake, utoto (kuphimba) ndikosavuta kukwaniritsa gloss yayikulu.Komabe, pamwamba pa gloss yapamwamba ndi yonyezimira ndipo kuwunikira kwakukulu kwa kuwala kwa dzuwa masana kungayambitse kuipitsidwa kwa kuwala (anthu ambiri sagwiritsa ntchito makoma otchinga magalasi tsopano chifukwa cha kuipitsidwa kwa kuwala).Kuonjezera apo, pamwamba pa gloss yapamwamba imakhala ndi kagawo kakang'ono kameneka ndipo ndi kosavuta kutsetsereka, zomwe zingayambitse mosavuta kuopsa kwa chitetezo panthawi yomanga denga.;Chizindikiro choyamba cha ukalamba wa mbale zachitsulo zokhala ndi mitundu zikagwiritsidwa ntchito panja ndikutaya kwa gloss.Ngati kukonzanso kukufunika, n'zosavuta kusiyanitsa pakati pa zitsulo zakale ndi zatsopano, zomwe zimabweretsa maonekedwe oipa;ngati utoto wakumbuyo uli wonyezimira kwambiri, halo imachitika mosavuta m'nyumba muli kuwala.Kutopa kwa anthu ogwira ntchito.Choncho, nthawi zonse, mbale zachitsulo zokhala ndi mitundu yomanga zimagwiritsa ntchito gloss yapakati ndi yotsika (madigiri 30-40).

 

04Kusankha makulidwe a zokutira

Mwachisawawa, zokutira ndi porous dongosolo.Madzi ndi zowononga media (ma chlorine ayoni, etc.) mumlengalenga adzalowa m'malo ofooka a zokutira, kuchititsa dzimbiri pansi pa filimuyo, ndiyeno ❖ kuyanika kumaphulika ndikuchotsa.Kuonjezera apo, ngakhale ndi makulidwe ofanana ophimba, chophimba chachiwiri chimakhala chocheperapo kuposa choyambirira.Malinga ndi malipoti akunja ndi zotsatira zoyeserera za dzimbiri, zokutira kutsogolo kwa 20 μm kapena kupitilira apo kungalepheretse bwino kulowerera kwa media zowononga.Popeza njira zothana ndi dzimbiri za primer ndi topcoat ndizosiyana, osati makulidwe onse a filimu ayenera kufotokozedwa, komanso zoyambira ziyenera kufunidwa mosiyana (》 5μm) ndi topcoat (》15μm).Ndi njira iyi yokha yomwe kukana kwa dzimbiri kwa mbali zosiyanasiyana za mbale zachitsulo zokhala ndi mtundu kungatsimikizidwe kukhala koyenera.

Zogulitsa za PVDF zimafuna zokutira zokulirapo.Chifukwa iyenera kupereka chitsimikizo cha moyo wautali wautumiki.Zofunikira pakuphimba kumbuyo zimatengera kugwiritsa ntchito, ndi mapanelo a masangweji omwe amangofunika choyambira chokhazikika.Chitsulo chopangidwa ndi chitsulo chimafunanso zigawo ziwiri za zokutira chifukwa cha malo owononga m'nyumba.Makulidwe ake ndi osachepera 10μm.

Kusankha mtundu wa zokutira (kutsindika kwawonjezera!)

Kusankhidwa kwa mtundu kumatengera makamaka kufananiza ndi malo ozungulira komanso zomwe eni ake amakonda.Komabe, kuchokera kumalingaliro aukadaulo, utoto wopepuka uli ndi mitundu yambiri yamitundu.Utoto wa inorganic wokhala ndi kulimba kwambiri ukhoza kusankhidwa (monga titaniyamu woipa, ndi zina zotero), ndi utoto Kuthekera kowunikira kutentha ndi kolimba (chiwonetserochi chimakhala chowirikiza kawiri kuposa utoto wakuda).Kutentha kwa chophimba chokhacho chimakhala chochepa kwambiri m'chilimwe, chomwe chimapindulitsa kuwonjezera moyo wa zokutira.Kuonjezera apo, ngakhale chovalacho chimasintha mtundu kapena ufa, kusiyana pakati pa utoto wonyezimira ndi mtundu wapachiyambi kudzakhala kochepa, ndipo zotsatira za maonekedwe sizidzakhala zofunikira.Mitundu yakuda (makamaka mitundu yowala) nthawi zambiri imakhala mitundu yachilengedwe, yomwe imakhala yosavuta kuzimiririka ikakumana ndi cheza cha ultraviolet, ndipo imatha kusintha pakangopita miyezi itatu.Malinga ndi mayeso oyenerera, kutentha kwakunja kukakhala kokwera kwambiri masana m'chilimwe, malo oyera amakhala ozizira madigiri 10 kuposa buluu ndi 19 madigiri ozizira kuposa akuda.Mitundu yosiyanasiyana imakhala ndi kuthekera kosiyanasiyana kowonetsa kuwala kwa dzuwa.

 

05 mtundu reflectivity kusinkhasinkha zotsatira

Kwa mbale zachitsulo zokhala ndi mitundu, nthawi zambiri kuchuluka kwa kutentha kwa zokutira ndi mbale yachitsulo ndizosiyana, makamaka ma coefficients okulirapo a gawo lapansi lachitsulo ndi zokutira organic ndizosiyana kwambiri.Pamene kutentha kozungulira kumasintha, mawonekedwe ogwirizanitsa pakati pa gawo lapansi ndi zokutira adzasintha.Kuchulukitsa kapena kupsinjika kwapakati kumachitika, ndipo ngati sikunathetsedwe bwino, kusweka kwa zokutira kumachitika.Baosteel adachita mayeso a zaka 8 ku Hainan a mtundu womwewo wa utoto, woperekera utoto womwewo, ndi mitundu yosiyanasiyana.Zotsatira zake zidatsimikiziranso kuti utoto wopepuka umakhala wocheperako.

 

06 gloss mtundu kusiyana makulidwe oyambirira tsopano makulidwe

Kuphatikiza apo, tikufuna kufotokoza kusamvana kuwiri pazasankhidwe pamsika wapakhomo wapano:

Choyamba, pakali pano pali ambiri oyambira oyera ku China.Cholinga chogwiritsa ntchito choyambira choyera ndikuchepetsa makulidwe a topcoat, chifukwa choyambira chosagwira dzimbiri pomanga ndi chobiriwira chachikasu (motero strontium chromate pigment), ndipo payenera kukhala makulidwe a topcoat okwanira kuti akhale ndi mphamvu zobisala.Izi ndizowopsa kwambiri pakukana dzimbiri.Choyamba, choyambira chimakhala chosakanizidwa bwino ndi dzimbiri, ndipo kachiwiri, topcoat ndi yopyapyala kwambiri, yosakwana ma microns 10.Zitsulo zokhala ndi mitundu yotereyi zimawoneka zowala, koma zidzawonongeka m'malo osiyanasiyana (mabala, mapindikidwe, pansi pa filimuyo, etc.) pasanathe zaka ziwiri.

Yachiwiri ndi zitsulo zokutidwa ndi mitundu yosiyanasiyana zimene zimagwiritsidwa ntchito pomanga.Pulojekiti yomweyi imagwiritsa ntchito mbale zachitsulo zokhala ndi mitundu kuchokera kwa opanga osiyanasiyana ndi magulu osiyanasiyana.Mitunduyo ikuwoneka kuti ikugwirizana panthawi yomanga, koma patapita zaka zingapo za kuwala kwa dzuwa, mitundu ya zokutira zosiyanasiyana ndi opanga amasintha.Pali zitsanzo zambiri zamitundu yosiyanasiyana zomwe zimapangitsa kusiyana kwakukulu kwamitundu.Ngakhale zinthuzo zikuchokera kwa wothandizira yemweyo, tikulimbikitsidwa kuti muyike dongosolo la polojekiti yomweyo nthawi imodzi, chifukwa manambala osiyanasiyana a batch amatha kugwiritsa ntchito zinthu kuchokera kwa ogulitsa osiyanasiyana, ndikuwonjezera kuthekera kwa kusiyana kwa mitundu.

Kusankha zinthu mwanzeru sikungowonjezera moyo wautumiki wa nyumbayo, komanso kuchepetsa ndalama, potero kukhala wokonda zachilengedwe komanso kupulumutsa zinthu.

—————————————————————————————————————————————————— —————————————

Malingaliro a kampani Taishan Industrial Development Group Co., Ltd.
Nthawi zonse tizitsatira mfundo zautumiki zamtundu woyamba komanso kasitomala poyamba, kupatsa makasitomala zinthu zabwino kwambiri, ndikuchita zonse zomwe tingathe kuti tisunge ndalama kwa makasitomala.Kutengera ndi momwe zinthu zimagwiritsidwira ntchito komanso mtengo wopangira zomangamanga, timalimbikitsa kugwiritsa ntchito zokutira zamtundu wa Taishan Inc zotsika mtengo, Maanshan Iron ndi Steel color coating and Shougang color coating.Zogulitsa wamba za PE zitha kugwiritsidwa ntchito kwa zaka zosachepera 10, ndipo zopangidwa ndi PVDF zitha kukhala zaka 20 mpaka 25.Chokongola komanso chokhalitsa, chimapangitsa fakitale yanu kukhala yokongola kwambiri.Kampani yathu imaperekanso ntchito zopanga, kukonza, ndi kugulitsa, kutumizira makasitomala munthawi yonseyi kuyambira pakufunsidwa kwamakasitomala mpaka kufunsira pambuyo pake.


Nthawi yotumiza: Sep-21-2023