Polyirethane wogwirizira
Wothandizira wa polyurethane ndi mankhwala ophatikizidwa ndi ukadaulo wa arosol ndi ulyurethane thonje. Itha kugawidwa m'mitundu iwiri: mtundu wa thupi ndi mtundu wa mankhwala. Izi ndizokhazikitsidwa ngati kupanga kwa gasi ndi njira yolimbitsa thupi (votilurization kapena yoperekera) kapena njira yamankhwala (kuwonongeka kwa kapangidwe ka mankhwala kapena zina zamankhwala)
Dzina lachingerezi
Chithovu cha pu
Zamakompyuta
Tekinoloki ya aerosol ndi ulreurethane chipono cha Boam
Mitundu
Tube mtundu ndi mtundu wa mfuti
Chiyambi
Polyurethane thonje Loti dzina limodzi lodzaza ndi polyiretharene chiuno chosindikizira. Mayina Ena: Wogwirizira Wogulitsa, Strrofoam, puelant. Chitsowerero cha Chingerezi ndichopanga chodutsa cha ma aerosol ukadaulo ndiukadaulo wa polyurethal. Ndi ntchito yapadera ya polyurethane yomwe ili ndi poureurethane prepoolymer, kuwomba, ndi chothandizira, ndi chothandizira zimadzaza mu aerosol osagwirizana ndi matenda osokoneza bongo. Zinthuzo zikathiridwa ndi tayosi ya aerosol, zowonda ngati polyirethane zimakulitsa ndipo zimakhudzidwa ndikuchita ndi mpweya kapena chinyezi mumitundu yambiri. Ili ndi maubwino olumbira kutsogolo, kukulitsa kwakukulu, shlizage yaying'ono, ndi zithoti zimakhala ndi mphamvu yabwino komanso kutsatira kwambiri. Chida chochiritsidwa chimakhala ndi zotsatira zosiyanasiyana monga kutsika, kugwiririra, kutentha, kutentha kwabwino, etc.it ndi zinthu zovuta kugwiritsa ntchito. Itha kugwiritsidwa ntchito kusindikizidwa ndikudula, kuthira mipata, kukonza ndi kulumikizana ndi kugwirika bwino komanso kusokonekera kwa zitseko za pulasitiki kapena mazenera ndi makoma.
Kufotokozera kwa magwiridwe antchito
Nthawi zambiri, nthawi yopuma pansi ili pafupifupi mphindi 10 (pansi pa kutentha 20 ° ° C). Nthawi yonse youma imasiyanasiyana ndi kutentha kozungulira ndi chinyezi. Nthawi zambiri, nthawi yopuma yonse nthawi yachilimwe ili pafupifupi maola 4-6, ndipo zimatenga maola 24 kapena kupitilira apo kuti zizigwiritsidwa ntchito pozizira. Chikwangwanichi chochiritsidwa chimakhala ndi zotupa komanso zomatira mu kutentha kwa -10 ℃ ~ 80 ℃. Chida chochiritsidwa chili ndi ntchito zokambalala, kugwiririra, etc.in kuwonjezera, nthomba-rommandant polyirethane wothandizila wa B ndi c glam reack wokhazikika.
Kumanidwa
1. Osati ngati khola la chithovu cha Polyurethane.
2. Polyurethane thovu lanyumba, liwiro lothamanga kwambiri, zomangamanga zazikulu sizingatheke, kuthwa sikungayendetsedwe, ndipo khalidwe la chithovu ndi losauka kwambiri.
3.. Polyurethane thovu la nyumba, okwera mtengo
Karata yanchito
1. Khomo ndi kuyika pazenera: kusindikiza, kukonza komanso kulumikizana pakati pazitseko ndi mawindo ndi makoma.
2. Modetsa Wotsatsa: Modeni, Kupanga Khoma, Kukonza Board Kukonzanso
3. Mawu omveka: kudzaza mipatayo pachikongoletsedwe cha zipinda zolankhula ndi zipinda zofalitsa, zomwe zimatha kusewera mawu omveka ndi kukhazikika.
4. Kuundana: Makina opangira maluwa, kulima ndi kutchingira, opepuka komanso wokongola
5. Kukonza tsiku ndi tsiku: Kukonza mipata, mipata, matamando, matanga pansi, ndi pansi
6. Kutulutsa kwa madzi: Kukonza ndi pulagi kutayikira m'mapaipi amadzi, kusodza, ndi zina.
7. Kulongedza ndi kutumiza: Imatha kukulunga zinthu zamtengo wapatali komanso zosavuta, kusunga nthawi ndi kuthamanga, kugwedezeka komanso kukakamizidwa
Malangizo
1. Pamaso ntchito zomanga, madontho amafuta ndi fumbi loyandama lomwe likumanga likuyenera kuchotsedwa, ndipo madzi ochepa amayenera kuthiridwa pamalo omanga.
2. Musanagwiritse ntchito polyurethane thonje la wothandizila kwa masekondi 60 kuti muwonetsetse kuti zomwe zili mkati mwa thankiyo ndi yunifolomu.
3. Ngati chubu mtundu wa polurethane wogwiritsira ntchito, sungani phokoso la pulasitiki pa ulusi wa valavu, gwiritsani ntchito chitoliro cha pulasitiki ndi kusiyana, ndikusindikiza phokoso la sharay.
4. Yang'anirani kuthamanga kwaulendo pomwe kupopera mbewu mankhwalawa, nthawi zambiri kuchuluka kwa jakisoni kumatha kukhala theka la omwe akufuna kudzaza. Lembani mipata yopingasa kuchokera pansi mpaka pamwamba.
5. Mukadzaza mipata monga denga, chithovu chosachiritsika chitha kugwa chifukwa cha mphamvu yokoka. Ndikulimbikitsidwa kupereka chithandizo choyenera atadzaza, kenako ndikuchotsa chithandizo chikhotacho chikachiritsidwa ndikulumikizidwa kukhoma la kusiyana kwa kusiyana.
6. Chithovu chidzagulitsidwa pafupifupi mphindi 10, ndipo limatha kudula pambuyo 60 mphindi.
7. Gwiritsani ntchito mpeni kudula chithovu chowonjezerapo, kenako ndikuyatsa dothi ndi matope a simenti, utoto kapena silika gel.
8. Yesani wothandizirana ndi zofunikira zaukadaulo, onjezani ma 80 nthawi zowoneka bwino kuti muchepetse madzi owombera; Kenako gwiritsani ntchito makina owombera kuti akhumudwitse madziwo, kenako onjezerani chithovu ku Slurry Slurry molingana ndi kuchuluka kwa maginoni omwe adakonzedweratu, ndipo pamapeto pake tumizani magneve doner slurry kupita ku makina opanga kapena nkhungu.
Zolemba Zomanga:
Kutentha kwachilendo kwa polyirethane chovuta thanki ndi + 5 ~ + 40 ℃, gwiritsani ntchito kutentha + 18 ℃. Pankhani ya kutentha kochepa, tikulimbikitsidwa kuyika izi mobwerezabwereza + 25 ~ + 30 ℃ kwa mphindi 30 musanagwiritse ntchito chithovu chabwino.
Wothandizira polyirethane ndi chithovu chonyowa. Iyenera kuthiridwa pamalo onyowa mukamagwiritsidwa ntchito. Chinyezi chapamwamba, chithovu cha chiwombacho chimatha kutsukidwa ndi woyeretsa, pomwe chithovuchi chiyenera kuchotsedwa ndi njira zopangira (kusambira kapena kudula). Chida chochiritsidwa chidzasanduka chikasu mutatha kukhala ndi kuwala kwa ultraviolet. Ndikulimbikitsidwa kutsuka thovu lochiritsa ndi zinthu zina (matope a simenti, utoto, etc.). Mukatha kugwiritsa ntchito spray mfuti, chonde yeretsani ndi wothandizira wapadera.
Mukasinthira thankiyo, gwedezani thanki yatsopano (kugwedeza kamodzi)
Valavu yoyendetsa yoyendetsa ndikuyambitsa mfuti ya spray imatha kuwongolera kukula kwa chotupa cha thovu. Jekeseni utayima, atatseka valavu yoyenda munjira yolowera.
Kusamala
Chithovu chosavomerezeka chimakhala pachikopa ndi zovala. Osakhudza khungu lanu ndi zovala panthawi yogwiritsa ntchito. Polurethane thonje la othandizira amakhala ndi zovuta za 5-6kg / cm2 (25 ℃), ndipo kutentha sikuyenera kupitirira 50 ℃ nthawi yosungirako kuphulika.
Ma polurethane thonjeni wothandizira atumiki ayenera kutetezedwa ku dzuwa ndi ana ndi ana oletsedwa. Tikale tokhala nditagwiritsidwa ntchito, makamaka kugwiritsa ntchito akasinja omwe sanagwiritse ntchito polyuretharethane omwe sanagwiritsidwe ntchito, sayenera kuthiridwa. Ndi zoletsedwa kuwotcherera kapena kupukutidwa matabwa osowa.
Pewani ku malawi otseguka ndipo osalumikizana ndi zida zoyaka komanso zophulika.
Malo omanga ayenera kukhala ndi mpweya wabwino, ndipo omangamanga ayenera kuvala magolovesi a amantchito, maovololo ndi zigaweka panthawi yomanga, osasuta.
Ngati chitholo chimakhudza maso, chonde muzimutsuka ndi madzi musanapite kuchipatala kuti alandire chithandizo chamankhwala; Ngati zimakhudza khungu, muzimutsuka ndi madzi ndi sopo
Njira yomenyera
1. Njira ya Prepolymer
Njira yolumikizirana yolowera ndikupanga (zinthu zoyera) ndi (zakuda) kukhala polymer yoyamba, kenako kuwonjezera madzi, ndikusakaniza zina powonjezera pompopompo. Zilowerere, mutachiritsa, zitha kuchiritsidwa pa kutentha kwina
2. Njira ya Semi-Presolyr
Njira yovuta kwambiri ya njira ya Semi-prepolyr ndikupanga gawo la Polyther Polysol (zoyera) ndi disoctantate (zowonjezera) kukhala ndi disoctontate, ndi zina zowonjezera zopitilira muyeso.
3. Njira yodulira
Onjezani Polyther kapena Polyester Polyl (zoyera) ndi polysocanga (zakuda), madzi, zothandizira zina, ndikusakanikirana kwambiri ndi thonje.
Njira imodzi yovuta ndi njira yomwe imagwiritsidwa ntchito. Palinso njira yolumikizira ya Manyimbo, yomwe ndi njira yosavuta. Pambuyo pazomangira zonse zopangira zimalemera molondola, zimayikidwa mumtsuko, kenako zida zomerazi zimasakanikirana mosagwirizana ndikulowetsedwa mu nkhungu kapena danga lomwe likufunika kudzazidwa ndi thovu. Dziwani: Mukamalemera, polycyunzane (zakuda) ziyenera kuletsedwa komaliza.
Matalala okhwima a polurethane nthawi zambiri amakhala atakhumudwitsidwa ndi kutentha kwa firi, ndipo kuumbidwa kumakhala kosavuta. Malinga ndi kuchuluka kwa makina omanga, imatha kugawidwa kukhala thovu yovuta komanso yamakina. Malinga ndi zopsinjika nthawi ya thovunde, imatha kugawidwa kukhala kovuta kwambiri komanso kutsika kochepa kwambiri. Malinga ndi njira yowumbira, imatha kugawidwa kutsanulira ndikuthira thovu.
Malamulo
Wogulitsa polurethane adalembedwa ndi ntchito yomanga ngati chinthu cholimbikitsidwa ndikugwiritsa ntchito nthawi ya "zaka khumi ndi chimodzi.
Chiyembekezo msika
Popeza masamba 2000 adalimbikitsidwa ndikugwiritsidwa ntchito ku China, kufunikira kwa msika kwakulira msanga. Mu 2009, kumwa kwa chaka zomangamanga ku dziko lonse kwaposa zitini. Ndi kusintha kwa zomangamanga ndi kulimbikitsa nyumba zopulumutsa mphamvu, zinthu zotere kuchuluka kwa sutione iwonjezeka mtsogolo.
Mosakhalitsa, maluso ndi ukadaulo wopanga mtundu uwu watopa kwathunthu, ogwiritsira ntchito fluorine omwe sakuwononga ozoni wosanjikiza nthawi zambiri amagwiritsidwa ntchito, ndipo zinthu zokhala ndi chisanachitike (1) zidapangidwa. Kupatula kuti opanga ena amagwiritsabe ntchito zitsulo zotumizidwa kunja, zida zina zogwirizanitsa zapangidwa motalika.
Buku la malangizo
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Izi zimathandiza ogwira ntchito kuti athandize mphamvu ya manja awo mukamagwiritsa ntchito mfuti yovuta, yomwe ndi yosavuta komanso yosavuta ndipo sasintha kalulu. Chitsambacho chikathiridwa, guluu pang'onopang'ono limakhala lalikulu kuposa likambe.
Mwanjira imeneyi, zimakhala zovuta kuti ogwira ntchito ayambe kuyambitsa mavuto awo, ndipo ndikosavuta kuwononga guluu, osachepera 1/3 zinyalala. Kuphatikiza apo, guluu wokulirapo ndi losavuta kufinya zitseko ndi mazenera atachiritsa, monga gulu wamba ku fakitale.
Post Nthawi: Meyi-25-2021