Umthwalo Wokukhulula Profeshinali Kwezimboni Ze-PU Zingapheli - Imisebenzi Engaphezu Kwemibaniso Nezobuchwepheshe

Zonke Izigaba

umthengiselo wemodeli yefomu lePU ngokusheshe

Isivikeli esiphatha iimoldi ze-PU ezigunyazayo kuthetha isahluko sesayensi esihlelekileyo esenzelwe ukunciphisa ukususa iintsholongwane ze-polyurethane ezigunyazayo kwiimoldi zokwenza. Lo mboniso othile ubaluleke kakhulu kwinkqubo yokwenza ngokudala igunya eliphatha phakathi kweplastic ye foam neyi-moldi. Umsebenzi wokuqala wesivikeli seepako ezigunyazayo kukuthintela ukudibana kweplastic ye polyurethane eqinile nezandla zomgca, ukuze kuthululwe ngaphandle kokulungiswa komfanekiso ofunyenwe okanye umgca wokwenza. Le ndawo zisetyenziswa ngokuvamile izinto ezivela kwi-silicone, i-fluorinated polymers, okanye izinto ezithile ezivela kwi-wax ezenza ukuba ingavaleki. Iinkcukacha zesayensi zesivikeli seepako ezigunyazayo ziquka ubume obungcono be-thermal, ukhuseleko kumakhemikhali, nokulinganiselelana nabanye amagunya omgca kubantu ama-aluminum, ama-steel, kunye nezinye iintonga. Izinhlelo zasendulo zenza ubomi obude, zikhusela ukuphindwa kokufaka kwakhona kwaye ziziphamela inkqubo yokwenza. Isivikeli seepako ezigunyazayo sibonisa imfundo engcono phakathi kweempawu zokuthepha, ekhathazeka xa kusetyenzwa ngeempawu eziphambili. Imisebenzi ihlanganisa iindawo ezininzi njengezemeko yezimoto, iindlela zokwenza, iindlela zokwenza kwezixhobo, kunye nezixhobo zokugcina. Kwizimo zezimoto, isivikeli seepako ezigunyazayo sinika amandla ukwenza iintsholongwane zedashboard, iintsholongwane zokulala, kunye neepaneli zokuhloma. Ummandla wokwenza wezakalo usebenzisa le zivikeli ukwenza iintsholongwane zokwenza, iibhodi zokuhloma, kunye nezinto zezakalo. Ubuninzi besivikeli seepako ezigunyazayo buhamba kummandla wamanzi, iindlela zasekhaya, kunye nezixhobo zobubi. Iifomula ezilungileyo zinika amandla okususa ngokucacileyo ngelixa inakekela ubume beplastic yesimo esifunyenwe. Iingxaki zomphakathi zazigcinelela ukuzalwa kwezivikeli ezingavaleki evela komanzi kunye nezivikeli ezingavaleki ezingenanto VOC, zixhomekeza kubomi kodumo ngaphandle kokuchithwa kumgangatho wemfundo.

Imikhiqizo Emisha

INDABA YOKUBUKA

Amaphutha wokulayisha kwezinhlobo zomvume we-PU eziflexibhileyo

INDABA YOKUBUKA

Amancazelo Akuhambisana ngePU Ifofomu Lokungapheli Emncwanyisiwe

INDABA YOKUBUKA

Amancazelo Akuhambisana ngePU Elastomer Imibuzo Emncwanyisiwe

INDABA YOKUBUKA

Amaphutha wokulayisha kwezinhlobo ezincinci zokugcina amacompound

Isiphumelelo esikhulu sokusebenzisa isivumelwano kuqobo lwe-PU rigid foam kukuthi kunciphisa ngokushesha izinsuku zokuphulwa kokwakha kanye nokwakha kwemfundo. Uma kusebenziswe ngendlela efanelekileyo, isivumelwano kuqobo lwe-PU rigid foam sikhulula ukudinga komthetho wokukhipha okungcolotshwayo okungakhotha izinto nezixhobo. Lokhu kugcinwa khona iqondo leqobo kakhulu, kunciphisa izindleko zokufaka futhi kunciphisa izidingo zokulungiswa. Izindawo zokwakha zithola ukuthintana kancane ngokuphulwa kwezinto noma iqobo elililili, lokhu kubangela ukuthuthuka kwezindleko zokuphatha kanye nokunciphisa izindleko zomsebenzi. Ukusebenzisa ngokuvamile kwezivumelwano kuqobo lwe-PU rigid foam kugcina ubunzima bokuphatha ngokulandela ngokulinganayo ngokuthintana kwebanga, ukucutshwa, kanye nokungenwa kabili okuhlala kuhlala kusuke xa ifoam iyambalala iqobo. Ukunciphisa izindleko kuyindiza enkulu, njengoba isivumelwano kuqobo lwe-PU rigid foam kunciphisa inkohlwa yezinto ngokulandela ukukhishwa kwezinto ngaphandle kokuchithwa noma ukuguquka. Ubunzima obuvela emva kokuqhubeka kwegcobo elilandelayo bukhipha ukugcina izinzo, kuhlanza umthetho wokwakha kanye nokunciphisa izindleko eziphathelene nokwakha. Ukunciphisa izindleko zokusebenza kuhlangana ngesivumelwano kuqobo lwe-PU rigid foam kubangela izikhathi ezimnandi, njengoba abasebenzi bahlose ukuphuma izinto bahlale bavul' amaqobo ekugcineni izikhathi. Ukubophelela kakhulu kutholakala ngokuthintana kwezinyathelo zokukhuphula kanye nokunciphisa ukuthintana kwezinyathelo ezingcono ezinconywayo yokukhuphula. Isimo sezifundo sendalo sibuye sigcinwa phakathi kwesivumelwano esihle kuqobo lwe-PU rigid foam, njengoba ukuthintana kakhulu kwenzeke kuthintana ngokulinganayo kanye nokulinganayo kwebanga ekugcineni izikhathi zokwakha. Kukhona nokuthintana kwezempilo ebusuku ngokunciphisa izidingo zokuphatha ngobuso kanye nokunciphisa ukuthintana kwezinyathelo ezingcono ezinconywayo yokukhuphula. Ubunjinjini besivumelwano esisha kuqobo lwe-PU rigid foam bungenza ukuthi kugcinwe into eyodwa phakathi kwezikhathi eziningi zokwakha, kujulisa ukuthenga kanye nokugcina amakhambi. Izimpawu zendlu yokuhlala kufakazwa ukuthintana kwezinkohlwa kanye nokunciphisa ukusebenza kwamandla ngasinye isinto etholakala, kunciphisa izindleko eziphathelene nokwakha. Izigaba zokufundisa ziziphazanyiswa uma kusebenziswa isivumelwano esihle kuqobo lwe-PU rigid foam, njengoba abasebenzi bangadingi ubunikwazi obuningi ukuze bakwazi ukukhuphula izinto ngempumelelo, lokhu kubangela ukuthuthuka kwezisebenzi kanye nokunciphisa izindleko zokufundisa.

Izeluleko Ezisebenzayo

Jul

Yini Okwenza i-Agent Release e-Polyurethane yakinesi ukukhethwa kwezindusutri zaseMhlabeni?

Ukuthuthukiswa nokuthulaswa kwezimali kubangela ukuthanda ngokweqile. Kwiqoqo le manufacturing yase industri, ukuchanekwa nokucophelela kuyiindlela eziphambene neziganeko zokuproduka ngokuphelele. I-Chinese Polyurethane Release Agent yayivule iindlela eziphambene neziganeko zokuproduka ngokuphelele.

Bheka Okuningi

Aug

Yini Okwenza ukuba i-FRP Release Agent ikhona yekhwalithi ye-Composite Molding?

Ukucaciswa Kwenhloso Ebalulekile Yemikhawulo Ye-Ukuhlisa Manufacturing kwa-FRP Kuphatheni kwemigqa ephethilwe, imikhawulo ye-FRP yemikhawulo iyasebenza njengenhlalakahle esenza ukuthi kwenzeke ukuphatha okuphephelele. Le mikhawulo efanayo yezinhlelo ezingenakho...

Bheka Okuningi

Sep

Kungaba nemiphakathi eyinzima i-Oil Based Release Agent?

Ukuziqonda Indlela Ebenzayo Ye-Oil Based Release Agents Ekugcineni Kwamanzi. Umthombo wokwenza izinto uqhubeka ngenkathi uyashintsha izinqubo zokwenza ukuthi kube lula kakhulu nokubaluleka kakhulu ekugcineni kwamanzi. I-Oil based release agents yayizungezile kumunye wamandla okubalulekile...

Bheka Okuningi

Oct

Ukuthi Kungakhawulezile Kanjani i-Luwanhong Release Agent Iphinde Iphelele?

Finyelela Ubungako Bokwenza Ngokusebenzisa I-Agent Zokukhupha Ezimbiliyo KwiBhizinisi Ezingazenzekiyo Yokuqhuba Kwemali, igugu nemlando ye-release agents ibonakala indima ephathelene nokuphumelela kwesimo. I-Luwanhong release agent yayizungezile njengo...

Bheka Okuningi

Thola Isilinganiso Samahhala

Ummeleli wethu uzokuthinta masisha.

I-imeyili

Igama

Igama Lenkampani

Umyalezo

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umthengiselo wemodeli yefomu lePU ngokusheshe

cophela ukuthi uhlale okungamabala lokuphawuliwe polyurethane

umphawuli wemfomu yePU esikhishweni kwisezintsha zokuhluhla amafutha

umcweba osheshe olude ngaphandle kwezilungiselelo ezikhutwane zokugcinwa kwezinto zomoto

umphumelelo wokuqalisa oluninzi kwe-pu foam efuphi enhle

icophela lokuhlala emanzini lokuphawuliwe rigid pu foam

umphumelelo wokuqalisa oluninzi kwe-pu foam efuphi lokulamula

Ubukhona Bukhanya Obuphezulu Nephutha Yenjongo

Ubukhona obungcono bokuxhasa kwezixwayiso zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane kuyindima ebalulekile kakhulu, esenzela ukusebenza okuphathelene ngokusheshayo kwizinkinga ezihlala kuzo kumsebenzi wokwenza izinto. Lokhu kuyisiphakamiso esibalulekile xa kusebenziswa nezixwayiso zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane kufanele kube khethiwe kakhulu ukugcina kumaqondo amaphepha noma xa kusebenziswa namaduli athuthiwe ukuthutha isikhathi sokwenza izinto. Izixwayiso ezihlelo lokuphelile zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane zibambelela ubuqotho bezimilo nezixwayiso zokuhlukanisa noma xa zilahlekile iqondo eliphezulu kune-200°C, zihlinzelela ukusebenza okuhle kusuku lwesikhathi eside sokwenza izinto. Okuxhasa kokuqina kukhuphuka okungaphazamise ukusebenza kwesixwayiso noma ukulahlekelwa kwezinto ngokuhlakanipha kwezinto. Amathuba wokwenza izinto akhuthaza lokhu ngokuthatha isigaba esincane sokubeka, njengoba izixwayiso zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane zibambelela ukusebenza kusuku lwebanga ngezinye izikhathi zokuhlanya nokuchitha ngaphandle kokuthi kudingeka kube khethiwe kabusha. Lokhu kuguquka ngokudla kusindleko sezinsiza futhi kungenhlela yokumiswa kwesikhathi sokwenza izinto. Ukusebenza okuphathelene kusuku lweqondo elimandla kukhuphuka izidingo ezinokuthinta ubumnandi bomkhiqizo, ukuqinisekisa ukuthi izinguquko zeqondo alikwazi ukucophelela umsebenzi wokuhlukanisa noma ukwenza izinto ezingenanto. Abagcini ubumnandi bafisela ukuchanekile okunikezwa ngu-zixwayiso ezixhasa kakhulu zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane, njengoba kunikelwa izidingo ezilandelwayo zeqondo kumcebo wokwenza izinto. Ubuchwepheshe bukuqobo bezigaba ezintsha zezixwayiso zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane kubandakanya izipolimera ezingathembeki kweqondo nezongenelo ezinxene zokuxhasa eziphazamisa ukuhlakanipha kanye nokubambelela ubunjani obuhle bo-viscosity ekubekekeni kahle. Leli phutha lisenze abakhwenyana bakhuthaze izidingo zabo zokuhlanya ukuze kuqine ngokushesha ngaphandle kokuphazanywa ngokusebenza kwesixwayiso. Iziphumo zokwenza izinto ziyanguquka ngexesha njengoko izixwayiso ezixhasa kakhulu zomsebenzi wokuhlukanisa kumaduli we-PU ezenzululwane zenzelela ukuthutha okuphakade kanye nokubambelela ubumnandi, bese benzela indawo ebalulekile yezinto ezenzakalo ezivalelana.

Ubude beMold Extension neQiniso leQuqula

Izici zokuphepha kwe-releese agent kumalayizi we-PU rigid foam kuqhubeka ngaphandle kwekunyelelo yezinto, ekhomba ukuphephwa kwimalayizi okungcono okuthuthukisa ubude bekuhlangothi bokusebenza kohlelo nokunciphisa izidingo zomthelela wokwenza. Uma i-PU rigid foam isanda ngokudlulane nezandla zemalayizi ngaphandle kwebala elihle le-releese agent, ukuxhumana kwegesi kwenza ubuchwepheshe obuqingileyo besandla esingena emva kwezikhathi zokwakha, futhi ekugcineni kudinga umsebenzi omahawu ohlelekile okuyilona malayizi noma ukubuyisela. I-releese agent eqiniso kumalayizi we-PU rigid foam ikhiqiza isivimbo esihlakaniphileyo esivikela ukuxhumana kwegesi phakathi kwezinhlayiya eziphazanyayo zefomu nezinhlayiya zemalayizi, ekhomba ubuchwepheshe bezandla nobude obuhlelwe kakhulu ezinkathini eziphezulu. Lokhu kuphephwa kunezindlela ezibalulekile kumalayizi wamagolide nama-steel, lapho ukucutshwa kwegesi kusuka kumahluko we-isocyanate kungakha izilinganiso ezihlengene ezidala izinkinga eziqukethwe ezithinta ubume bomfanekiso. Isibonelo sokomnotho sokusebenzisa i-releese agent efanelekileyo kumalayizi we-PU rigid foam sikhuphuka kakhulu ngexesha, njengoba amalayizi aphelile ngalezi releese agents engapheleli ayifika ubude bekusebenza obungamaqashini ama-three to five kunazo ezinye izixhobo ezingaphelanga. Abasebenzi basebenzisana nabangela bakhumbula ukuthi izindleko zokubuyisela imalayizi zingaba yizimali ezinkulu, kepha i-releese agent kumalayizi we-PU rigid foam ibe yisicelo esihlelekele ekupheleni komsebenzi womkhumbi. Isiphazimulo siyakhuphuka kuzinkinga ezincane zezandla nezizathu ezichaza ubume nomsebenzi womfanekiso, ukuqinisekisa ukuthi amalayizi achaze amasipholo awo esiqeshini ngokuphelele kwezinsuku zokusebenza. Kukhona izimpilo zokubophezela izici njengoba amalayizi aphelile ayiqhamuka izinto ngaphandle kwezidingo zokulinganisa kakhulu kunazo ezingafundwanga, ekunciphisa izindleko zokushisa kanye nokugcina ubume obulandelene bomfanekiso. Ukuvikela ukucodwa okunikezwa ngu-releese agent kumalayizi we-PU rigid foam kunezindlela ezibalulekile emanzini amanduli emfundo noma xa kusebenziswa izimo zefomu ezinezici ezicodwayo noma izici ezifakiweyo. Ukuphatha kuhle kuhlaziya kungcono uma kusebenziswa i-releese agent efanelekileyo kumalayizi we-PU rigid foam, njengoba ukuchithwa kwezixhobo kufoloweni izinhlobo ezihlelekileyo, ekunika amandla ukuplanjwa ngaphambili nokuphatha izimali zokubuyisela izinto nezinhlelo zakho.

Ubunzima Obuphucileyo Kusayensi Neqiniso Yokuqeda

Ukuthuthukiswa kwezidingo zokwakha ngokusebenzisa okuhle kwebhala lokuhlukanisa kumakhodi we-PU ezigunyazwe kuyisahluko esibaluleke kakhulu ekwakheni izimpahla ezigunyaziwe zezifo ezingcono ezingcono kakhulu ezingcono kakhulu. Abathengi basezintu nezimali zamandla zidinga izihlalo ezigunyazwe, ezingenazo izinkinga echanekileyo ezibonisa ubuchwepheshe bokwakha nokhokelo kwezimpahla. Ibhala lokuhlukanisa kumakhodi we-PU ezigunyazwe libaluleka kakhulu ekufakeleni lezi zidingo zokhokelo ngokubeka iqiniso eligcweleyo lokuhlukaniswa kwezifo engenazo izinkinga zokugunyaza, amabhonjana, noma izici zokudluliswa ezikhubazekayo ezenza izimpahla ingabi yingozi. Isakhiwo sesimilo sebhala eliqophelwe lokuhlukanisa kumakhodi we-PU ezigunyazwe likhala isidingo esigunyazwe kakhulu esithintela izici zesihlalo semakhowudi kuze kube lula kakhulu ekwakheni izinto ezingenayo izici ezifanayo noma izici ezilinganiselwe ngokuhlinzekwa kwezidingo zokulungiswa. Lokhu kusobala kakhulu ekusebenzweni kwemoto nasezinhlanganisweni apho izinto ezigunyazwe ebonakalayo kumele zilandelane nezidingo ezikhokhelwayo zokuzenzakalela. Amagunya wokuphatha izidingo athola inhloso yokuba ibhala elihle lokuhlukanisa kumakhodi we-PU ezigunyazwe livinje umsebenti, njengoko ukusebenzisa okulinganiselwe kuthinta izici zosihlalo ngokujikeleza kwezinyathelo zokwakha, kuyenza ukuba kunciphise izinkinga zokulinganisa nokohlaziywa. Ukukhuphuka kwezinyathelo emva kokukhishwa kuyinhleko enkulu, njengoko izinto ezihlukaniswe ngokusebenzisa ibhala elihle lokuhlukanisa kumakhodi we-PU ezigunyazwe azidingi ukulungiswa kwesihlalo ngaphambi kokuphinda, ukudibanisa, noma ukugcina izimpahla. Izinyathelo zokwakha zizungezela uma ibhala lokuhlukanisa kumakhodi we-PU ezigunyazwe likhathazeleza ukwakha okwesinye kwezihlalo ezingcono, kuyenza ukuba kunciphise izinyathelo ezinesibindi njenge-sanding, ukubuffa, noma ukulungiswa ngokuchemikhali okongena inhlaka namaxesha ekwakheni. Ubunzima bezindlela ezifakwa ngokusetshenziswa kwebhala elilodwa lokuhlukanisa kumakhodi we-PU ezigunyazwe likhathazeleza ukuthi abawakhi bayakha izihlalo eziphathelene, izidingo ze-gloss, nezinkinga zokuvakasha ngokushesha kulesinyathelo sokumaka, kuyenza ukuba kunciphise ukuthuthukiswa kwezidingo ngaphandle kokuthuthukiswa kwezixhobo. Izidingo zokulunga kuhlanganisa uma ibhala lokuhlukanisa kumakhodi we-PU ezigunyazwe likhathazeleza ukuthi kunciphise ukudlwenga okungaba khona kuthinta ukuqashwa kwebhunga noma kukhanya okuthintana phakathi kwamabhokisi wokwakha, kuyenza ukuba izidingo zokuzenzakalela zilindelele ngokuphelele kwezinyathelo zokwakha.