Ii-catalysts ze-polyurethane zidlala indima ekuphuculeni ukusebenza kwee-foams eziqinileyo, kuquka ii-foams zephaneli kunye neebhokisi, njengoko zonyusa isantya sokuphiliswa kunye nobuthathaka. Umzekelo, ii-catalysts ezisekelwe kwi-amine ezifana ne-MXC-70 ziyakwazi ukuphucula inkqubo yokuphiliswa kunye neempawu zomzimba ze-foam yokugqibela. Makhe sijonge indima ye-MXC-70 kunye nezinye ii-catalysts ze-amine ezifanayo kwezi zicelo.
Indima kaIiCatalysts zePolyurethanekwiRigid Foams
Iifoam eziqinileyo zisetyenziswa kakhulu kwizicelo ezifana neepaneli zokufaka izinto ezishushu, ukupakisha kunye neefoam zebhokisi ngenxa yeempawu zazo ezibalaseleyo zobushushu nezoomatshini. Ezi foam zihlala ziveliswa yimpendulo phakathi kweepolyols kunye nee-isocyanates, apho i-catalyst ikhuthaza ukwakheka kwenethiwekhi ye-polyurethane polymer. Iimpawu ze-catalyst zichaphazela ngokuthe ngqo inkqubo yokunyanga kunye neempawu zefoam eziphumayo, ezinje ngoxinano, ukuqina kunye nobuthathaka.
IiCatalysts ezifana neMXC-70 (ikhompawundi esekwe kwi-amine ephezulu) zisetyenziswa kakhulu kwi-foam formulations ukulawula amazinga okusabela kunye nokuphucula iipropati ezahlukeneyo zomzimba. Indima yezi catalysts kukukhawulezisa i-polymerization yomxube we-polyol-isocyanate ukuze i-foam ifezekise ubulukhuni obufunekayo ngelixa iqinisekisa ukuphiliswa ngokufanelekileyo ukunciphisa iziphene ezifana nokunamathela okungekho ngqiqweni okanye amandla angonelanga.
Iingenelo zeI-MXC-70kwiRigid Foams
1. Ulawulo oluphuculweyo lokunyanga nokuqhubekeka:
I-MXC-70 inomsebenzi ophezulu wokutsala, ingakumbi kwi-polyurethane formulations enomxholo wamanzi aphezulu. Ingakhuthaza ngempumelelo i-carbamate kunye ne-urea reaction, ngaloo ndlela inciphisa ixesha lokunyanga ngaphandle kokuphazamisa ukuthembeka kwesakhiwo se-foam. Ukuhlangabezana neemfuno zeefektri ezifuna ukusebenza kakuhle kwemveliso.
Ngokukhawulezisa inkqubo yokucola, i-MXC-70 inceda ekunciphiseni umjikelo wemveliso yeefoam zephaneli kunye neebhokisi, ngaloo ndlela inyusa imveliso. I-catalyst iqinisekisa ukuba ifoam iphiliswa ngokuchanekileyo, ithintela iingxaki ezinje ngokungomi kakuhle okanye ukuthungwa okungaguqukiyo okunokuchaphazela ukuqina kwemveliso yokugqibela.
2. Iimpawu eziphuculweyo zoomatshini kunye nokuqhekeka kwazo:
Ukusetyenziswa kwe-MXC-70 kwiifoam eziqinileyo kuphucula iimpawu zazo zoomatshini ngokuphucula ulwakhiwo lwefoam. I-MXC-70 isebenza ngakumbi kwiifoam ezifuna ulungelelwaniso phakathi kokuqina nokuguquguquka, ezifana neepaneli zokukhusela kunye nezinto zokupakisha. Ukongeza, inceda ukuphucula ubuthathaka befoam, nto leyo ibalulekileyo kwizicelo ezifana nefoam yebhokisi, apho izinto kufuneka zimelane noxinzelelo loomatshini kunye noxinzelelo ngaphandle kokuphuka ngaphambi kwexesha.
IiCatalysts zinceda ngempumelelo ukwakheka kweenethiwekhi zepolymer ezidityaniswe kakuhle, ziqinisekisa ukuba ulwakhiwo lwangaphakathi lwefoam luqinile kwaye luyakwazi ukufunxa amandla empembelelo ngaphandle kokusilela okukhulu, kwaye zingasetyenziswa kwiinkqubo zokupakisha kunye nokukhusela ezifuna ukumelana nokuphathwa, ukuthuthwa kunye neemeko zokusingqongileyo.
3. Iimpawu Ezingenavumba Liphantsi NezingenaKhuphisi:
I-MXC-70 sisincedisi se-amine esingenavumba liphantsi esifanelekileyo ukusetyenziswa apho amavumba aseleyo anokubangela iingxaki, njengokupakisha kwabathengi okanye iiphaneli zokukhusela ngaphakathi. Ukongeza, ayinayo ingcoliso, ithobela imigaqo engqongqo yokusingqongileyo kunye nempilo kwimimandla eyahlukeneyo. Ukusebenzisa izincedisi ezikhupha ingcoliso ephantsi njenge-MXC-70 kunceda ekudaleni indawo yokusebenza ekhuselekileyo kunye nemveliso yokugqibela enobuhlobo nokusingqongileyo.
Izicelo kwiPanel kunye neBox Foams
IiFoam zePaneli:
I-MXC-70 ifanelekile ukusetyenziswa kwiinkqubo zefoam eziqinileyo ezifuna isakhiwo seseli esihambelanayo kunye nokumelana nobushushu obuphezulu, njengokwakha iiphaneli zokuthintela ubushushu. I-catalyst iqinisekisa ukuba ifoam iyaphiliswa ngesantya esifanelekileyo, yenze inethiwekhi ezinzileyo enoxinano oluphantsi ebonelela ngokuthintela ubushushu obugqwesileyo. Amandla ayo okulawula impendulo anokunciphisa ukwakheka kweziphene ezifana nobukhulu beeseli obungaqhelekanga okanye ukungomelelani ngokwaneleyo, okunokuphazamisa iipropati zokuthintela ubushushu befoam.
Iibhokisi zeFoam:
Kwizicelo zokupakisha, eyona nto iphambili idla ngokuba kukukwazi kwefoam ukufunxa amandla okubetha kunye nokubonelela nge-cushion kwiimveliso ezibuthathaka. Ngokwenza ngcono ubuthathaka befoam, i-MXC-70 iphucula amandla efoam okuguquka phantsi koxinzelelo ngaphandle kokuqhuma, iqinisekisa ukuba umxholo wephakheji ukhuselekile kakuhle ngexesha lokuthuthwa. Ukongeza, i-MXC-70 yenza kube lula ukuveliswa kwefoam ezikhaphukhaphu kodwa ezomeleleyo ngokwesakhiwo, uphawu oluphambili olufuna izixhobo zokupakisha ezingabizi kakhulu nezithembekileyo.
Isiphelo
Ukusetyenziswa kwee-amine catalysts ezifana ne-MXC-70 ekuveliseni amagwebu aqinileyo kuxhaphakile, ngakumbi kwiindlela ezisetyenziswa njengeebhodi zokufaka i-insulation kunye nee-box foams. Zikhawulezisa amaxesha okunyibilika, ziphucula iipropati zoomatshini kwaye zonyusa ukuqhekeka, okubalulekileyo ekusebenzeni nasekuqineni kwemveliso yokugqibela yegwebu. Ngeempawu zayo ezingenayo i-emission kwaye ezingenavumba liphantsi, i-MXC-70 ikwahlangabezana nemfuno ekhulayo yezinto ezinobuhlobo nokusingqongileyo nezisempilweni. Ngokuphucula inkqubo yokunyibilika kunye neepropati zomzimba zegwebu, ii-catalysts ezifana ne-MXC-70 zibalulekile ekuveliseni amagwebu e-polyurethane asemgangathweni ophezulu, asebenzayo kwaye ahlala ixesha elide kwiindlela ezahlukeneyo zokusebenza kwemizi-mveliso.
Ixesha leposi: Disemba-03-2024