M'dziko lalikulu la ma polima opangidwa, mawu akuti "polyester" amapezeka paliponse. Komabe, sichinthu chimodzi koma banja la ma polima okhala ndi mawonekedwe osiyanasiyana. Kwa mainjiniya, opanga, opanga, ndi okonda DIY, kumvetsetsa kugawanika kofunikira pakatipolyester yodzazandiunsaturated polyesterndizofunikira. Izi sizimangokhala zamaphunziro; ndi kusiyana pakati pa botolo lamadzi lokhazikika, thupi lamasewera owoneka bwino, nsalu yowoneka bwino, ndi bwato lolimba.

Upangiri wokwanirawu udzasokoneza mitundu iwiri ya polima iyi. Tidzafufuza mozama za kapangidwe kawo, tiwona momwe amafotokozera, ndikuwunikira momwe amagwiritsidwira ntchito kwambiri. Pamapeto pake, mudzatha kusiyanitsa pakati pawo molimba mtima ndikumvetsetsa zomwe zili zoyenera pazosowa zanu zenizeni.

Pang'onopang'ono: Kusiyana Kwakukulu

Kusiyana kumodzi kofunikira kwambiri kuli msana wawo wa maselo ndi momwe amachiritsira (oumitsidwa kukhala mawonekedwe olimba omaliza).

·Unsaturated Polyester (UPE): Imakhala ndi ma bond awiri (C = C) pamsana wake. Nthawi zambiri ndi utomoni wamadzimadzi womwe umafunikira cholumikizira chokhazikika (monga styrene) ndi chothandizira kuti chichiritse mu pulasitiki yolimba, yolumikizana ndi thermosetting. GanizilaniFiberglass Reinforced Plastic (FRP).

· Polyester yodzaza: Akusowa zomangira ziwiri izi zogwira mtima; unyolo wake ndi "saturated" ndi maatomu haidrojeni. Nthawi zambiri ndi thermoplastic yolimba yomwe imafewetsa ikatenthedwa ndikuuma ikazizira, kulola kukonzanso ndi kukonzanso. Ganizirani mabotolo a PET kapenaulusi wa polyesterza zovala.

Kukhalapo kapena kusakhalapo kwa ma bond awiri a kaboni kumayang'anira chilichonse kuyambira njira zopangira mpaka zinthu zomaliza.

Kulowera Kwambiri mu Polyester Yopanda Unsaturated (UPE)

Ma polyesters opanda unsaturatedndi ma workhorses a thermosetting composite industry. Amapangidwa kudzera mu polycondensation reaction pakati pa ma diacids (kapena anhydrides awo) ndi ma diol. Chofunikira ndichakuti gawo lina la ma diacids omwe amagwiritsidwa ntchito amakhala osasunthika, monga maleic anhydride kapena fumaric acid, omwe amawonetsa zomangira zapawiri za carbon-carbon double chain mu polima.

Makhalidwe Ofunikira a UPE:

· Thermosetting:Akachiritsidwa polumikizirana, amakhala AN infusible and insoluble 3D network. sizingathe kusinthidwa kapena kusinthidwa; Kutentha kumayambitsa kuwonongeka, osati kusungunuka.

· Njira Yothandizira:Pamafunika zigawo ziwiri zazikulu:

1. A Reactive Monomer: Styrene ndiyofala kwambiri. Monomer iyi imagwira ntchito ngati zosungunulira kuti muchepetse kukhuthala kwa utomoni ndipo, mochititsa chidwi, kulumikizana ndi maulalo awiri muunyolo wa poliyesitala pakuchiritsa.
2. Chothandizira / Woyambitsa: Nthawi zambiri organic peroxide (mwachitsanzo, MEKP - Methyl Ethyl Ketone Peroxide). Pagululi limawola kuti lipange ma free radicals omwe amayambitsa kulumikizana kolumikizana.

· Zowonjezera:UPE resins sagwiritsidwa ntchito kawirikawiri. Pafupifupi nthawi zonse amalimbikitsidwa ndi zinthu mongagalasi la fiberglass, carbon fiber, kapena ma mineral fillers kuti apange ma kompositi okhala ndi mphamvu zapadera zowerengera kulemera.

·Katundu:Mphamvu zamakina zabwino kwambiri, mankhwala abwino komanso kukana kwanyengo (makamaka ndi zowonjezera), kukhazikika bwino kwa mawonekedwe, komanso kukana kutentha kwambiri pambuyo pochiritsa. Zitha kupangidwa kuti zigwirizane ndi zosowa zina monga kusinthasintha, kuchedwa kwa moto, kapena kukana kwa dzimbiri.

Ntchito Zodziwika za UPE:

·Makampani apanyanja:Maboti, ma desiki, ndi zina.

·Mayendedwe:Mapanelo agalimoto yamagalimoto, ma cabs amagalimoto, ndi zida za RV.

·Kumanga:Mapanelo omangira, zofolera, ziwiya zaukhondo (mabafa, malo osambiramo), ndi matanki amadzi.

·Mapaipi ndi Matanki:Kwa mafakitale opanga mankhwala chifukwa cha kukana kwa dzimbiri.

·Katundu Wogula:

· Mwala Wopanga:Ma countertops opangidwa ndi quartz.

Kulowera Kwambiri mu Polyester Yodzaza

Ma polyesters odzazaamapangidwa kuchokera ku polycondensation reaction pakati pa saturated diacids (mwachitsanzo, terephthalic acid kapena adipic acid) ndi ma diols odzaza (mwachitsanzo, ethylene glycol). Popanda zomangira ziwiri pamsana, maunyolowo ndi ozungulira ndipo sangathe kuwoloka wina ndi mzake mofanana.

Makhalidwe Ofunika a Saturated Polyester:

· Thermoplastic:Iwo amafewetsakamodzikutenthedwa ndi kuumitsa pozizira.Njirayi ndi yosinthika ndipo imalola kukonza kosavuta monga kuumba jekeseni ndi kutulutsa, komanso kumathandizira kubwezeretsanso.

Palibe Kuchiritsa Kwakunja Kofunikira:Safuna chothandizira kapena zotakataka monomer kulimbitsa. Amalimba mwa kungozizira kuchokera ku sungunuka.

· Mitundu:Gululi lili ndi mapulasitiki angapo odziwika bwino:

PET (Polyethylene Terephthalate): Thepatsogoloambiriokoma mtima, amagwiritsidwa ntchito popanga ulusi ndi kulongedza.

PBT (Polybutylene Terephthalate): Pulasitiki yaumisiri yolimba, yolimba.

PC (Polycarbonate): Nthawi zambiri amaikidwa m'magulu a polyesters chifukwa cha zinthu zofanana, ngakhale kuti chemistry yake ndi yosiyana pang'ono (ndi polyester ya carbonic acid).

·Katundu:Mphamvu zamakina abwino, kulimba mtima kwambiri komanso kukana kwamphamvu, kukana kwamankhwala abwino, komanso kusinthika kwabwino.Amadziwikanso chifukwa cha zinthu zake zomveka zotsekera magetsi.

Kugwiritsa Ntchito Nthawi zambiri pa Saturated Polyester:

· Zovala:Ntchito imodzi yayikulu kwambiri.Polyester fiberza zovala, makapeti, ndi nsalu.

·Kupaka:PET ndizomwe zimapangidwira mabotolo a zakumwa zozizilitsa kukhosi, zotengera zakudya, ndi makanema onyamula.

·Zamagetsi ndi zamagetsi:Zolumikizira, zosinthira, ndi nyumba chifukwa cha kutchinjiriza bwino komanso kukana kutentha (mwachitsanzo, PBT).

·Magalimoto:Zinthu monga zogwirira zitseko, ma bumpers, ndi nyumba zoyatsira nyali.

·Katundu Wogula:

·Zida Zachipatala:Mitundu ina ya ma CD ndi zigawo.

Table Yofananira Yamutu ndi Mutu

Chifukwa Chimene Kusiyanitsa Kuli Kofunika kwa Makampani ndi Ogula

Kusankha mtundu wolakwika wa poliyesitala kungayambitse kulephera kwazinthu, kuchuluka kwa ndalama, komanso nkhani zachitetezo.

Kwa Wopanga Mapulani:Ngati mukufuna gawo lalikulu, lamphamvu, lopepuka, komanso losatentha ngati bwato, muyenera kusankha gulu la UPE la thermosetting. Kukhoza kwake kuikidwa pamanja mu nkhungu ndikuchiritsidwa kutentha kwa firiji ndizopindulitsa kwambiri pazinthu zazikulu. Ngati mukufuna mamiliyoni azinthu zofanana, zolondola kwambiri, zobwezerezedwanso ngati zolumikizira zamagetsi, chotenthetsera ngati PBT ndiye chisankho chodziwikiratu pakuumba jekeseni wochuluka kwambiri.

·Kwa Sustainability Manager:The recyclability wama polyesters odzaza(makamaka PET) ndi mwayi waukulu. Mabotolo a PET amatha kusonkhanitsidwa bwino ndikusinthidwanso m'mabotolo atsopano kapena ulusi (rPET). UPE, monga thermoset, ndizovuta kwambiri kukonzanso. Zogulitsa za UPE zomaliza nthawi zambiri zimatha kutayidwa kapena ziyenera kutenthedwa, ngakhale kuti kugaya ndi makina (kuti zigwiritsidwe ntchito ngati zodzaza) ndi njira zobwezeretsanso mankhwala zikutuluka.

·Kwa Wogula:Mukagula malaya a polyester, mukulumikizana ndi apolyester yodzaza. Mukalowa mugawo la shawa la fiberglass, mukugwira chinthu chopangidwa kuchokeraunsaturated polyester. Kumvetsetsa kusiyana kumeneku kumafotokoza chifukwa chake botolo lanu lamadzi likhoza kusungunuka ndikubwezeretsanso, pomwe kayak yanu silingathe.

Tsogolo la ma Polyesters: luso komanso kukhazikika

Chisinthiko cha zonse zodzaza ndipolyesters unsaturatedimapitirira mofulumira.

·Zakudya zozikidwa pa Bio-based Feedstocks:Kafukufuku amayang'ana kwambiri pakupanga UPE ndi ma polyester odzaza kuchokera kuzinthu zongowonjezedwanso monga ma glycols opangidwa ndi zomera ndi ma acid kuti achepetse kudalira mafuta oyaka.

·Makina Obwezeretsanso:Kwa UPE, kuyesayesa kwakukulu kukupanga njira zobwezeretsanso mankhwala kuti agwetse ma polima olumikizidwa kukhala ma monomers ogwiritsidwanso ntchito. Kwa ma polyesters odzaza, kupita patsogolo kwamakina ndi kubwezereranso kwamankhwala kukuyenda bwino komanso kupangidwanso kwazinthu zobwezerezedwanso.

·Zophatikiza Zapamwamba:Mapangidwe a UPE akukonzedwa mosalekeza kuti achepetse moto, kukana kwa UV, komanso makina amakina kuti akwaniritse miyezo yolimba yamakampani.

·High-Performance Thermoplastics:Magulu atsopano a ma polyester odzaza ndi ma polyester akupangidwa ndi kukana kutentha, kumveka bwino, komanso zotchingira zotchingira pakuyika kwapamwamba ndi ntchito zauinjiniya.

Pomaliza: Mabanja Awiri, Dzina Limodzi

Ngakhale amagawana dzina lodziwika, ma polyesters odzaza ndi osatha ndi mabanja omwe amatumikira mayiko osiyanasiyana.Unsaturated polyester (UPE)ndiye katswiri wopangira thermosetting wamphamvu kwambiri, zolimbana ndi dzimbiri, zomwe zimapanga msana wa mafakitale kuyambira panyanja kupita ku zomanga. Polyester yodzaza ndi mfumu yosunthika ya thermoplastic pakuyika ndi nsalu, yamtengo wapatali chifukwa cha kulimba kwake, kumveka bwino, komanso kubwezanso.

Kusiyanaku kumachokera ku chinthu chosavuta chamankhwala - chomangira chapawiri - koma tanthauzo la kupanga, kugwiritsa ntchito, komanso kutha kwa moyo ndi lalikulu. Pomvetsetsa kusiyana kofunikiraku, opanga amatha kupanga zosankha zanzeru, ndipo ogula amatha kumvetsetsa dziko lovuta la ma polima omwe amaumba moyo wathu wamakono.

Lumikizanani nafe:

Nambala yafoni: +86 023-67853804

WhatsApp: +86 15823184699

Email: marketing@frp-cqdj.com

Webusaiti:www.frp-cqdj.com