Silicone Yochezeka ndi Zachilengedwe vs Polyurethane Sealant Ndi iti yobiriwira kwambiri?

Pa ntchito zambiri,Chosindikizira cha Silicone Chogwirizana ndi EcoNdi chisankho chobiriwira. Ubwino wa silicone pa chilengedwe umachokera ku chiyambi chake cha mchenga komanso kulimba kwake. Kudalira mafuta kwa polyurethane kumapatsa malo abwino kwambiri pa chilengedwe. Zipangizo zonsezi zili ndi magawo ambiri pamsika wa zomangamanga, zomwe zimapangitsa kusiyana kumeneku kukhala kofunika kwambiri pa zomangamanga zokhazikika.

Msika wapadziko lonse wa zomatira zonse ziwiri ndi waukulu ndipo ukuyembekezeka kukula, zomwe zikuwonetsa kuti zimagwiritsidwa ntchito kwambiri.

Kusankha Silicone Sealant Yogwirizana ndi Eco nthawi zambiri kumachepetsa kuwonongeka kwa chilengedwe kwa nthawi yayitali.

Gawo 1 la Moyo: Zipangizo Zopangira ndi Kupanga

 

Ulendo wa sealant wokhudza chilengedwe umayamba ndi zinthu zake zopangira. Chiyambi cha zinthuzi chimapanga kusiyana kwakukulu pakati pa silicone ndi polyurethane. Chimodzi chimachokera ku zinthu zodziwika bwino padziko lapansi, pomwe china chimadalira mafuta ochepa.

Silikoni: Kuchokera ku Mchenga Wochuluka

Zomatira za silikoniali ndi ubwino waukulu pa chilengedwe pa gawo la zipangizo zopangira. Chomangira chawo chachikulu ndi silicon, chinthu chochokera ku silika, chomwe ndi mchenga chabe. Dziko lapansi lili ndi mchenga wochuluka komanso wochuluka.

Njira yopangira zinthu imasintha zinthu zopangirazi kukhala chosindikizira cholimba.

Choyamba, opanga amatenthetsa mchenga wa silika ndi kaboni mu uvuni kuti apange chitsulo cha silicon.

·Kenako, chitsulo cha silicon ichi chimakumana ndi methyl chloride kuti chipange ma chlorosilane.

Pomaliza, njira yotchedwa hydrolysis imasintha ma chlorosilane awa kukhala ma polima omaliza a siloxane omwe amapanga msana wa silicone sealant.

Njirayi imafuna mphamvu zambiri. Komabe, kudalira kwake mafuta ambiri, omwe si a zinthu zakale, kumapatsa silicone chiyambi chabwino ngati chinthu chobiriwira.

Polyurethane: Kuchokera ku Mafuta Osaphika

Zomatira za polyurethane zimatsatira njira yosiyana kwambiri. Ndi ma polima opangidwa omwe amachokera ku mafuta osakonzedwanso, chinthu chosasinthika. Kupanga kwa polyurethane kumadalira zigawo ziwiri zazikulu za mankhwala: ma polyol ndi ma isocyanates. Zonsezi ndi zinthu zopangidwa ndi makampani opanga mafuta.

Moyo wonse wa polyurethane umagwirizana ndi kuchotsedwa, kutsukidwa, ndi kukonzedwa kwa mafuta opangidwa ndi zinthu zakale. Kudalira kumeneku kumabweretsa kuwonongeka kwakukulu kwa chilengedwe poyerekeza ndi zinthu zopangidwa ndi mchenga.

Kutulutsa ndi kuyenga mafuta osakonzedwa kuli ndi zoopsa zachilengedwe zomwe zalembedwa bwino, kuphatikizapo kusokonekera kwa malo okhala ndi mpweya woipa. Kudalira chuma chocheperako kumeneku kumapangitsa kuti chiyambi cha polyurethane chisakhale chokhazikika kuposa cha silicone. Kusankha pakati pa zipangizozi pamlingo wopanga ndi kusankha pakati pa kuchuluka ndi kusowa.

Gawo Lachiwiri la Moyo: Kugwiritsa Ntchito & Kuchiritsa: Thanzi ndi Mpweya Wabwino

Kugwira kwa sealant kumapitirira pa zinthu zake zopangira mpaka pa ubwino wa mpweya ndi thanzi la omwe akuigwiritsa ntchito. Pakuika ndi kuikonza, sealant imatulutsa mankhwala mumlengalenga. Mtundu ndi kuchuluka kwa mpweya umenewu zimapangitsa kusiyana kwakukulu pakati pa silicone ndi polyurethane.

Ubwino wa Silicone's Low-VOC

Zotsekera za silicone nthawi zambiri zimakhala ndi ubwino waukulu pankhani ya mpweya wabwino wamkati ndi panja. Opanga amapanga ma silicone ambiri amakono kuti akhale ndi Volatile Organic Compounds (VOCs) ochepa kwambiri. Mankhwalawa amatha kuvulaza thanzi la anthu ndikupangitsa kuti utsi upangeke. Mabungwe olamulira monga South Coast Air Quality Management District (SCAQMD) amakhazikitsa miyezo yokhwima ya mpweya woipawu motsatira malamulo monga Rule 1168.

Zinthu zambiri zapamwamba za silicone zimakwaniritsa miyezo iyi mosavuta. Mwachitsanzo, zotsekera zomwe zimagwirizana ndi miyezo ya LEED v4.1 nthawi zambiri zimakhala ndi VOC yochepera magalamu 50 pa lita (g/L). Zina mwapaderazomatira za siliconengakhale kufika pamlingo wochepera 30 g/L. Kusankha silicone sealant yotsika mtengo ya VOC 100% kumachepetsa kutulutsa mankhwala owopsa, zomwe zimapangitsa kuti malo otetezeka kwa ogwiritsa ntchito komanso okhala m'nyumbamo akhale otetezeka.

Zoopsa za Isocyanate ndi VOC za Polyurethane

Zomatira za polyurethane zimakhala ndi mavuto akuluakulu pa thanzi akamagwiritsidwa ntchito. Mankhwala ake amaphatikizapo isocyanates, zomwe zimathandiza kupuma bwino komanso kuteteza khungu. Mabungwe azaumoyo monga NIOSH ndi OSHA apeza zoopsa zazikulu zokhudzana ndi mankhwalawa.

Ma isocyanate ndi omwe amachititsa kwambiri mphumu ya kuntchito padziko lonse lapansi. Kukhudzana ndi matendawa kungayambitse kuyabwa kwambiri m'maso, pakhungu, komanso m'njira yopumira.

Zoopsa pa thanzi chifukwa cha isocyanate zalembedwa bwino:

·Kupuma mpweya kungayambitse mavuto opuma, nseru, komanso madzi m'mapapo.

·Kukhudzana ndi khungu kungayambitse dermatitis yokhudzana ndi khungu.

·Kuwonekera mobwerezabwereza kungayambitse kusokonezeka kwa chidwi, komwe ngakhale kukhudza pang'ono kumayambitsa vuto lalikulu la ziwengo monga kuukira kwa mphumu.

Ngakhale kuti zomatira zina za polyurethane zimapangidwa ndi ma VOC ochepa, kupezeka kwa ma isocyanates kumakhalabe vuto lalikulu paumoyo ndi chitetezo. Kuopsa kumeneku kumapangitsa kuti mpweya wabwino ndi zida zodzitetezera (PPE) zikhale zofunika kwambiri panthawi yogwiritsa ntchito, zomwe zimapangitsa kuti pakhale ngozi zomwe sizimagwirizanitsidwa ndi zomatira za silicone zochepa za VOC.

Chifukwa Chake Chosindikizira cha Silicone Chogwirizana ndi Eco Chimapambana Nthawi Zambiri Pakakhala Kulimba

Kulimba ndi maziko a kukhazikika. Chotsekera chomwe chimakhala nthawi yayitali chimafuna kusinthidwa pang'ono, kusunga zinthu komanso kuchepetsa kutayika pakapita nthawi. Mu gawo lofunika kwambiri ili la moyo, makhalidwe enieni a silicone amapatsa mwayi wapadera.

Silicone: Imakana UV ndi Nyengo Yaikulu

Zomatira za silicone zimalimbana kwambiri ndi zinthu zomwe zimawononga chilengedwe, makamaka kuwala kwa UV ndi kutentha kwambiri. Kulimba mtima kumeneku kumachokera ku msana wawo wolimba wa mankhwala a silicon-oxygen. Kapangidwe kake sikawonongeka mosavuta ndi kuwala kwa dzuwa.

·Nthawi Yaitali Yokhala ndi Moyo: Ma silicone opangidwa ndi pulasitiki wopepuka komanso wopepuka amatha kukhala zaka 20 kapena kuposerapo akagwiritsidwa ntchito panja, zomwe zimachepetsa kwambiri kuchuluka kwa kukonza ndi kusintha.

·Kukhazikika kwa Kutentha: Rabala ya silicone yokhazikika imagwira ntchito bwino pa kutentha kwakukulu, nthawi zambiri kuyambira -60°C mpaka +230°C (-76°F mpaka +446°F). Imakhala yosinthasintha mu kuzizira kozizira komanso yokhazikika mu kutentha kwakukulu.

·Kugwira Ntchito Kotsimikizika: Kafukufuku wa sayansi akutsimikizira kulimba kwa silikoni. Pambuyo pa maola 1000 a UV-A, rabara ya silikoni imasunga mphamvu zake zamakaniko bwino kwambiri kuposa ma polima ena ambiri.

Kuchita bwino kumeneku kumapangitsaChosindikizira cha Silicone Chogwirizana ndi Ecochisankho chodalirika choteteza nyengo kwa nthawi yayitali, kuyambira kumanga makoma mpaka zotsekera pazenera. Kutha kwake kupirira dzuwa ndi nyengo kwa zaka zambiri kumalimbitsa malo ake ngati chinthu chobiriwira.

Polyurethane: Yamphamvu koma Yosatetezeka ku Dzuwa

Zomatira za polyurethane zimadziwika chifukwa cha mphamvu zawo zodabwitsa zong'ambika komanso kukana kukwawa. Zimapanga mgwirizano wolimba kwambiri komanso wokhazikika. Komabe, mphamvu imeneyi imabwera ndi chiopsezo chachikulu ku dzuwa. Zomatira za polyurethane zomwe zili mu polyurethane zimatha kuwonongeka ndi UV.

Kukhudzidwa ndi dzuwa kumayambitsa njira ya mankhwala yomwe imadula urethane bonds. Kuwonongeka kumeneku kumabweretsa zotsatira zosasangalatsa monga chikasu, choko, ndi kupangika kwa ming'alu pamwamba pakapita nthawi.

Pofuna kuthana ndi kufooka kumeneku, opanga ayenera kulimbitsa zomatira za polyurethane ndi zowonjezera zapadera.

·Zolimbitsa UV ndi zoyamwitsa zimasakanizidwa mu fomula.

·Zowonjezera izi zimathandiza kuteteza polima ku dzuwa.

Popanda iwo, nthawi yogwiritsira ntchito sealant panja ikanakhala yochepa kwambiri.

Ngakhale zowonjezera izi zimathandizira magwiridwe antchito, zikuwonetsa kufooka kwakukulu. Kufunika kopanga kukana kwa UV, m'malo mokhala nako mwachibadwa, kumapangitsa polyurethane kukhala yoyipa poyerekeza ndi silicone pakugwiritsa ntchito kwambiri dzuwa.

Gawo Lachitatu la Moyo: Kuchita Bwino ndi Kukhala ndi Moyo Wautali

Mtengo weniweni wa sealant pa chilengedwe umaonekera nthawi yonse yomwe ikugwiritsidwa ntchito. Chinthu chomwe chimalephera msanga chimapanga zinyalala zambiri ndipo chimawononga zinthu zambiri kuti chibwezeretsedwe. Chifukwa chake, kukhala ndi moyo wautali ndi njira yofunika kwambiri yopezera kukhazikika.

Ubwino Wachilengedwe Wosintha Zinthu Mochepa

Kusintha zinthu zochepa kumatanthauza kuti zinthu zachilengedwe sizili bwino kwenikweni.Chosindikizira cha Silicone Chogwirizana ndi Ecoimachita bwino kwambiri pankhaniyi. Zotsekera za silicone zapamwamba zimatha kugwira ntchito kwa zaka 20 kapena kuposerapo, ngakhale m'mikhalidwe yovuta. Kulimba kwapadera kumeneku kumachepetsa nthawi yochotsera ndikugwiritsanso ntchito. Kusintha kulikonse komwe sikuloledwa kumatanthauza kuti chotsekera chakale sichipita ku malo otayira zinyalala komanso kuti zipangizo ndi mphamvu zochepa zomwe zimagwiritsidwa ntchito popanga zinthu zatsopano.

Kuganiza kwa nthawi yayitali kumeneku kukugwirizana ndi njira zosamalira zinthu zokhazikika. Kuyika ndalama pa zipangizo zolimba kuyambira pachiyambi kumalepheretsa kukonza zinthu zadzidzidzi zodula komanso zodula pambuyo pake.

Pa dola iliyonse yomwe imagwiritsidwa ntchito pokonza ma caulking apamwamba komanso kukhazikitsa mwaukadaulo, eni nyumba amatha kusunga ndalama zokwana $4-6 pa ndalama zomwe zingakonzedwe m'zaka khumi zikubwerazi.

Kusankha chosindikizira chokhalitsa ndi ndalama zogulira zinthu pazachuma komanso zachilengedwe. Chimachepetsa ndalama zogwirira ntchito kwa nthawi yayitali komanso chimasunga zinthu zofunika kwambiri.

Pamene Kulimba kwa Polyurethane Kukufunika

Ngakhale silicone imapereka kukana kwabwino kwa nyengo, polyurethane imapereka kulimba kosayerekezeka pa ntchito zinazake komanso zovuta. Mphamvu yake yokulirapo komanso kukana kukanda zimapangitsa kuti ikhale chisankho chabwino kwambiri pa malo olumikizirana omwe ali ndi magalimoto ambiri. Muzochitika izi, kulimba kwa polyurethane kumakhala phindu lalikulu pa chilengedwe.

Zomatira za polyurethane zimapangidwa kuti zigwiritsidwe ntchito m'malo omwe amapirira kupsinjika kwa thupi nthawi zonse:

·Kukulitsa ndi kulamulira malo olumikizira pansi pa konkire

·Nyumba yosungiramo zinthu ndi pansi pa fakitale

·Magalaji oimika magalimoto ndi njira zolowera

Kugwiritsa ntchito chosindikizira cholimba kwambiri m'malo odutsa anthu ambiri kungayambitse kulephera mwachangu, kusinthidwa pafupipafupi, komanso kutaya zinthu zambiri. Pa ntchito izi, kuthekera kwa polyurethane kupirira kusweka ndi kupindika kumatsimikizira kuti ntchitoyo imatenga nthawi yayitali, zomwe zimapangitsa kuti ikhale njira yokhazikika pomwe kulimba kwa makina ndiye chinthu chofunikira kwambiri.

Gawo 4 la Moyo Wathunthu: Kutaya Mapeto a Moyo

Gawo lomaliza la moyo wa sealant ndi kutaya kwake. Silikoni kapena polyurethane sizimawola, kotero momwe zimakhalira m'malo otayira zinyalala ndizofunikira kwambiri poganizira za chilengedwe. Kukhazikika kwawo kwa mankhwala ndi kuthekera kwawo kobwezeretsanso zinthu kumapanga zochitika zosiyanasiyana kumapeto kwa moyo.

Silicone mu Malo Otayira Zinyalala

Zomatira za silicone sizimawonongeka ndi mankhwala. Kukhazikika kumeneku kumatanthauza kuti sizimasweka kukhala zinthu zovulaza kapena kutulutsa poizoni m'nthaka ndi pansi pa nthaka. Komabe, kukhazikika komweku kumawapangitsa kukhala okhazikika kwambiri m'chilengedwe. Ma polima a silicone amatha kutenga zaka 50 mpaka 500 kuti awole m'malo otayira zinyalala, zomwe zimapangitsa kuti zinyalala zisungidwe kwa nthawi yayitali.

Ngakhale zinyalala za silicone zimakhalapobe, kusagwira ntchito kwake kumapangitsa kuti zikhale zosalala bwino m'malo otayira zinyalala poyerekeza ndi mapulasitiki ena.

Kubwezeretsanso silicone yogwiritsidwa ntchito ndi anthu omwe agwiritsa ntchito kale n'kovuta koma kukukula mofulumira. Mayankho atsopano amapereka njira yopezera chuma chozungulira:

· Makampani apadera ndi opanga ena akuyamba kusonkhanitsa zinthu za silicone zomwe anthu adagula kale.

·Machitidwe apamwamba okonzera zinthu a robotic, monga ena ku Germany, tsopano amatha kuzindikira ndikusiyanitsa makatiriji a silicone ndi zinyalala zapulasitiki zosakanikirana.

·Zatsopano mu malingaliro okhudza kuzindikira mankhwala ndi kusokoneza zinthu monga magalasi otetezera kutentha cholinga chake ndi kubwezeretsa silikoni kuti igwiritsidwenso ntchito kapena kubwezeretsanso.

Polyurethane mu Malo Otayira Zinyalala

Polyurethane imakhala ndi chiopsezo chachikulu pa chilengedwe kumapeto kwa moyo wake. Maukonde olimba a polima omwe amalumikizana omwe amapatsa mphamvu amathandizanso kuti zikhale zovuta kubwezeretsanso pogwiritsa ntchito njira zachikhalidwe. Pamene polyurethane ikuwonongeka pang'onopang'ono m'malo otayira zinyalala, imatha kutulutsa mankhwala oopsa. Kafukufuku akuwonetsa kuti kuwonongeka kumeneku kumatha kutulutsa zinthu zoopsa, kuphatikizapo khansa ya 2,4-diaminotoluene.

Kuvuta kwa kubwezeretsanso zinthu nthawi zambiri kumabweretsa kuchepa kwa ntchito yobwezeretsanso zinthu, komwe zinthuzo zimataya ubwino ndi phindu. Komabe, ofufuza akupanga njira zamakono zobwezeretsanso zinthu kuti athetse vutoli.

·Kubwezeretsanso Mankhwala: Njira monga acidolysis zimatha kuswa polyurethane kukhala ma monomers ake oyambirira, zomwe zimapangitsa kuti zigwiritsidwenso ntchito kukhala zinthu zatsopano komanso zapamwamba.

·Kubwezeretsanso kwa Thermochemical: Pyrolysis imagwiritsa ntchito kutentha pamalo opanda mpweya kuti isinthe zinyalala za polyurethane kukhala mpweya wothandiza, zakumwa, ndi zinthu zolimba.

Njira zatsopanozi zili ndi lonjezo losintha polyurethane kuchokera ku chinthu chogwiritsidwa ntchito "ndi kutaya" kukhala chozungulira.

Pa mapulojekiti ambiri odziwika bwino, Silicone Sealant Yogwirizana ndi Eco ndiyo chisankho chobiriwira. Chiyambi chake chochokera ku mchenga, mpweya wochepa wa VOC, komanso moyo wake wautali zimapangitsa kuti ikhale ndi zotsatira zochepa pa chilengedwe. Kukhalitsa kwa silicone kumachepetsa mwachindunji zinyalala ndi kugwiritsa ntchito zinthu kwa nthawi yayitali, chinthu chofunikira kwambiri pa mbiri yake yobiriwira. Kugwiritsa ntchito Silicone Sealant Yogwirizana ndi Eco Yogwirizana ndi VOC kumathandizanso mapulojekiti kupeza ngongole pansi pa ziphaso zazikulu zobiriwira.

·LEED

·BREEAM

· Ma Green Globes

Kuti muone ngati pali vuto lalikulu pa chilengedwe, sankhani VOC yotsika 100%.chosindikizira cha silikonikuchokera kwa opanga otsogola monga Dow, Sika, kapena Wacker

FAQ

Ndi sealant iti yomwe ndi yotetezeka ku chilengedwe?

SilikoniNthawi zambiri ndi chisankho chobiriwira. Ubwino wake ndi monga kukhala ndi mchenga, mpweya wochepa wa VOC, komanso kulimba kwambiri. Moyo wautaliwu umachepetsa zinyalala komanso kufunika kosintha, zomwe zimachepetsa kuwononga chilengedwe poyerekeza ndi polyurethane yochokera ku mafuta.

Kodi polyurethane nthawi zonse imakhala yobiriwira?

Inde, pa ntchito zinazake zomwe zimakhala ndi magalimoto ambiri. Kulimba kwa polyurethane kosayerekezeka ndi kwabwino kwambiri pa pansi pa nyumba yosungiramo zinthu kapena m'njira zolowera. Kulimba kwake m'malo awa kumalepheretsa kukonzanso pafupipafupi, zomwe zimapangitsa kuti ikhale njira yokhazikika pomwe kukana kukanda kwambiri ndikofunikira.

 

Kodi ma VOC okha ndi omwe amakhudza thanzi la anthu omwe ali ndi zotsekera?

Ayi, mankhwala ena ali ndi zoopsa. Ma polyurethane sealant ali ndi isocyanates, zomwe zimadziwika kuti zimathandiza kupuma. Mankhwalawa amapanga zoopsa zazikulu pa thanzi zomwe sizipezeka pazinthu zambiri za silicone zopanda VOC, zomwe zimapangitsa kuti silicone ikhale chisankho chotetezeka kwa ogwiritsa ntchito.

Kodi ndingathe kubwezeretsanso machubu akale otsekera?

Njira zobwezeretsanso zinthu zomatira zomwe zagwiritsidwa ntchito kale zikupitabe patsogolo. Malo ena apadera ndi opanga akuyamba kulandira silicone yogwiritsidwa ntchito pambuyo pa kugula. Ogwiritsa ntchito nthawi zonse ayenera kufunsa akuluakulu oyang'anira zinyalala m'deralo kuti apeze malangizo atsopano otayira zinyalala m'dera lawo.