Kwintsimi yokulungiswa kwamatye kunye nokulungiswa, i-epoxy resin isetyenziswa kakhulu. Ngamandla ayo okudibanisa okugqwesileyo, ukushwabana okuphantsi kokunyanga, kunye nokumanzisa okulungileyo kunye nokungena, kuye kwaba yinto efanelekileyo yokulungisa iziphene zamatye kunye nokuqinisa isakhiwo samatye. Nangona kunjalo, inkqubo yokunyanga i-epoxy resin inzima kwaye ibandakanya izinto ezininzi eziphambili. Ukulawulwa kwezi zinto kubalulekile ukuqinisekisa umphumo wokunyanga kunye nokusebenza kokugqibela kwelitye. Eli nqaku liza kuphonononga izinto eziphambili kwinkqubo yokuphilisa i-epoxy resin kunye nokubonelela ngezicwangciso zokulawula ezihambelanayo.
Ukukhethwa kwe-epoxy resin kunye ne-arhente yokunyanga
I-epoxy resin Yikhompawundi yepolymer ephilayo equlathe amaqela amabini okanye ngaphezulu epoxy. Amaqela e-epoxy kwisakhiwo sayo se-molecular asebenzayo kakhulu kwaye anokuthi aqhubele phambili kwi-cross-linking reactions kunye neentlobo ezahlukeneyo zokunyanga ukwenza i-polymer ye-network structure. I-agent ephilisayo yinto ephambili eyenza ukuba i-epoxy resin iguquke ukusuka kulwelo ukuya kwinto eqinileyo. Ifumana i-reaction ye-ring-opening Addiction kunye namaqela e-epoxy kwi-epoxy resin, ebangela uchungechunge lwee-cross-linking reactions ukwenza inethiwekhi yepolymer exineneyo kwaye ezinzileyo.
Xa ukhetha i-epoxy resin kunye ne-ejenti yokuphilisa, iimpawu zelitye kunye nendawo yesicelo kufuneka ziqwalaselwe. Ngokomzekelo, kwiimeko zesicelo ezifuna ukunyangwa ngokukhawuleza, ii-agent zokunyanga kunye nemilinganiselo yokuphendula ngokukhawuleza, njenge-aliphatic polyamines, inokukhethwa; kwizixhobo zamatye ezifuna ukumelana nobushushu obuphezulu, iipolyamines ezinuka kamnandi okanye ii-anhydride zokunyanga zingakhethwa. Ukongeza, isixa se-ejenti yokunyanga kufuneka kwakhona ilawulwe ngokuchanekileyo. Okuninzi okanye kuncinci kakhulu kuya kuchaphazela umphumo wokunyanga kunye nokusebenza kokugqibela. Ngokuqhelekileyo, ubungakanani be-arhente yokunyanga kufuneka bumiselwe ngokusekelwe kwi-epoxy elingana ne-epoxy resin kunye ne-hydrogen esebenzayo elingana ne-ejenti yokunyanga ukuqinisekisa ukuba ezi zimbini zinokusabela ngokupheleleyo.
Ukulawula ubushushu bokunyanga
Ukunyanga ubushushu yenye yezinto ezibalulekileyo ezichaphazela inkqubo yokunyanga i-epoxy resin. Iintlobo ezahlukeneyo zokunyanga zifanelekile kwiintlobo ezahlukeneyo zokushisa, ezifana ne-low-temperature agents kunye neqondo lokushisa eliphantsi kweqondo lokushisa elingaphantsi kweqondo lokushisa, i-agent yokunyanga i-room-temperature yokunyanga iqondo lokushisa kwegumbi ukuya kwi-50 ° C, i-medium-temperature yokunyanga i-medium-temperature kunye ne-50 ° C ukuya kwi-100 ° C, kunye ne-high-temperature arhente yokunyanga ngaphezu kwe-100 ° C.
Ubushushu obuphezulu okanye obuphantsi kakhulu buyakuba nefuthe elibi kwisiphumo sokunyanga. Ukushisa okuphezulu kakhulu kunokubangela ukusabela kwangaphambili kwe-epoxy resin kunye ne-ejenti yokunyanga, ukunciphisa ubomi bembiza yomxube, kunye nokwandisa ukusetyenziswa kwamandla; ngexa iqondo lobushushu lisezantsi kakhulu lizakucothisa isantya sokusabela kokunyanga, longeze ixesha lokunyanga, kwaye kunokukhokelela ekunyangekeni okungaphelelanga.
Kwizicelo ezisebenzayo, ubushushu obufanelekileyo bokunyanga kufuneka bugqitywe ngokohlobo lwe-arhente yokunyanga ekhethiweyo kunye nendawo yokwakhiwa kwelitye. Umzekelo, xa ukwakhiwa kwindawo yobushushu obuphantsi ebusika, izixhobo zokufudumeza zingasetyenziselwa ukufudumeza ilitye kunye nomxube we-epoxy resin ukunyusa izinga lokuphendula lokunyanga; ngelixa kwindawo yobushushu obuphezulu ehlotyeni, kufuneka kuthathelwe ingqalelo ukuphepha ilanga elithe ngqo kunye nemithombo yobushushu obuphezulu ukuthintela ukuphiliswa kwangaphambili kwe-epoxy resin.
Umlinganiselo wokuxuba kunye nokudibanisa ukufana
Umlinganiselo wokuxuba we-epoxy resin kunye ne-ejenti yokuphilisa kufuneka ulungelelaniswe ngokungqongqo ngokuhambelana neemfuno zencwadana yemveliso. Umlinganiselo wokuxuba ongafanelekanga uya kubangela ukunyanga okungaphelelanga okanye ukunciphisa ukusebenza emva kokunyanga. Ngokomzekelo, i-ejenti yokunyanga ngokugqithiseleyo iya kwenza i-epoxy resin ephilileyo ibe brittle kwaye ibe nzima, ngelixa i-arhente yokunyanga engonelanga iya kukhokelela ekunyangeni okungaphelelanga kwaye ichaphazele amandla okudibanisa. Ekusebenzeni kwangempela, izixhobo zokulinganisa ezichanekileyo, ezifana nezikali ze-elektroniki, zingasetyenziselwa ukuqinisekisa ukuchaneka komlinganiselo wokuxuba.
Ukuxuba ukufana kwakhona yinto ephambili echaphazela umphumo wokunyanga. Ukuxuba okungafaniyo kuya kukhokelela ekuphenduleni okunganeleyo phakathi kwe-epoxy resin kunye ne-ejenti yokuphilisa, ukwenza iindawo zokunyanga kwendawo engaphelelanga, ngaloo ndlela kuchaphazela umphumo wokubambisana kunye nokusebenza ngokubanzi kwelitye. Ngethuba lenkqubo yokuxuba, izixhobo ezifanelekileyo zokuxuba, ezifana nomxube wesantya esiphezulu, kufuneka zisetyenziswe ukuqinisekisa ukuba i-epoxy resin kunye ne-agent yokunyanga inokuxutywa ngokupheleleyo. Ngexesha elifanayo, ixesha lokuxuba kufuneka kwakhona lilawulwe ngaphakathi koluhlu olufanelekileyo. Ixesha elifutshane kakhulu lokuxuba alinakuwenza umxube ofanayo, ngelixa ixesha elide lokuxuba linokubangela ukuba umxube uphile phambi kwexesha.
Ukulawulwa kokufuma kokusingqongileyo
Ukufuma kokusingqongileyo kukwanefuthe elithile kwinkqubo yokunyanga ye-epoxy resin. Ukufuma okugqithisileyo kuya kubangela ukuba i-epoxy resin ifunxe ukufuma emoyeni, ichaphazela indlela yokuphilisa, kwaye inokubangela amaqamza okanye iintanda kumphezulu we-epoxy resin ephilisiwe. Ngoko ke, xa kwakhiwa kwindawo yomswakama ophezulu, amanyathelo afanelekileyo kufuneka athathwe ukunciphisa umswakama wokusingqongileyo, njengokusebenzisa izixhobo zokunciphisa umswakama okanye ukubeka i-vents kwindawo yokwakha ukuqinisekisa ukuba i-epoxy resin inokunyanga ngokuqhelekileyo.
Ukulungiswa kwendawo yamatye
Ukucoceka kunye noburhabaxa bomgangatho wamatye kunempembelelo ebalulekileyo kwimpembelelo yokubambisana kwe-epoxy resin. Ngaphambi kokufaka i-glue, umgangatho wamatye kufuneka uhlambuluke ngokucokisekileyo ukususa uthuli, ioli, i-wax kunye nezinye izinto ezingcolileyo kwindawo yokuqinisekisa ukuba i-epoxy resin inokuqhagamshelana ngokupheleleyo kunye nokudibanisa kunye nomgangatho wamatye. Kwangaxeshanye, uburhabaxa obufanelekileyo bomphezulu bunokwandisa indawo yokunxibelelana phakathi kwe-epoxy resin kunye nelitye kunye nokuphucula amandla okudibanisa. Umphezulu wamatye unokunyangwa kwangaphambili ngokusila, i-sandblasting kunye nezinye iindlela zokwandisa uburhabaxa bayo.
Ukulawula ixesha lokuphumla
Ixesha lokunyanga libhekisela kwixesha elifunekayo ukuze i-epoxy resin iphiliswe ngokupheleleyo ukususela ekuqaleni kokuxuba. Ubude bexesha lokunyanga buxhomekeke kwizinto ezifana nodidi lwe-epoxy resin, uhlobo lwe-arhente yokunyanga kunye neemeko zokunyanga. Kwizicelo ezisebenzayo, ixesha elifanelekileyo lokunyanga kufuneka limiselwe ngokweemfuno zokwakha kunye nokusetyenziswa kwendawo yelitye. Ngokomzekelo, kumatye afuneka ukuba asetyenziswe ngokukhawuleza, inkqubo ye-epoxy resin enexesha elifutshane lokunyanga inokukhethwa; kunye namanye amatye aneemfuno eziphezulu zokuqina kwamandla, ixesha lokunyanga linokwandiswa ngokufanelekileyo ukuqinisekisa ukuba i-epoxy resin inokunyangeka ngokupheleleyo.
Ngethuba lenkqubo yokuphilisa, iqondo lokunyanga le-epoxy resin kufuneka lihlolwe rhoqo, elinokuthi ligwetywe ngokujonga utshintsho lombala walo, utshintsho olunzima kunye nokuba luyakwazi ukumelana namandla athile angaphandle. Xa i-epoxy resin iphiliswe ngokupheleleyo, ukugaya okulandelayo, ukupolisha kunye nezinye iinkqubo zinokwenziwa.
Ukusetyenziswa ngokufanelekileyo kwezongezo
Ukuze kuphuculwe ukusebenza kwe-epoxy resin, ezinye izongezo ezifana ne-plasticizers, diluents, fillers, njl njl. Iiplastiki zeplastiki zinokuphucula ukuguquguquka kwe-epoxy resin kunye nokunciphisa ukunyanzeliswa kwayo emva kokunyanga, kodwa iiplastiki ezigqithisileyo ziya kuchaphazela amandla okubambisana kwe-epoxy resin. I-Diluents inokunciphisa i-viscosity ye-epoxy resin kwaye iphucule ukumanzi kwayo kunye nokungena, kodwa isixa kufuneka silawulwe ukuphepha ukuchaphazela umphumo wokunyanga. Iifayili zinokuphucula ipropathi yokuzalisa i-epoxy resin kunye nokunciphisa iindleko, kodwa ukuzalisa kakhulu kuya kunciphisa amandla okudibanisa kunye nokuqina kwe-epoxy resin.
Xa usebenzisa izongezo, uhlobo kunye nenani lezongezo kufuneka zikhethwe ngokufanelekileyo ngokohlobo lwe-epoxy resin kunye neemfuno zokusetyenziswa kwelitye. Ngexesha elifanayo, umyalelo wokongeza izongezo kunye nendlela yokuxuba kufuneka kwakhona kuqatshelwe ukuqinisekisa ukuba izongezo zinokuthi zihlakazwe ngokulinganayo kwi-epoxy resin.
Ukuhlolwa komgangatho kunye nokubeka iliso
Ngethuba lenkqubo yokunyanga i-epoxy resin, inkqubo yokuhlola umgangatho ongqongqo kunye nenkqubo yokubeka iliso kufuneka isungulwe ukuze kuqinisekiswe umphumo wokunyanga kunye nokusebenza kokugqibela kwelitye. Ezinye izixhobo zovavanyo lobuchwephesha kunye neendlela, ezinje ngovavanyo lwamandla okuqina, uvavanyo lwamandla okucheba, uvavanyo lobulukhuni, njalo njalo, zingasetyenziselwa ukuvavanya ukusebenza kwe-epoxy resin enyangisiweyo. Ngexesha elifanayo, ikhonkco nganye kwinkqubo yokwakha kufuneka ibekwe esweni, njengomlinganiselo wokuxuba, ukushisa okuphilisa, ixesha lokunyanga, njl., Ukufumana ngokukhawuleza kunye nokulungisa iingxaki ezinokwenzeka.
Ukuqukumbela
Ukusetyenziswa kwe-epoxy resin ekuqhutyweni kwamatye kunye nokulungiswa kunamathuba abanzi, kodwa inkqubo yokunyanga iyinkimbinkimbi kwaye ibandakanya izinto ezininzi ezibalulekileyo. Ngokukhetha i-epoxy resin kunye ne-ejenti yokunyanga, ukulawula ubushushu obunyangayo, ukulawula umlinganiselo wokuxuba kunye nokuxuba okufanayo, ukulungelelaniswa kokufuma kwendalo, ukulungiswa kwangaphambili kwendawo yamatye, ukuzimisela kwexesha lokunyanga, ukusetyenziswa okufanelekileyo kwezongezo, kunye nolawulo olungqongqo lokuhlola umgangatho kunye nokubeka iliso, ukunyangwa kwesiphumo se-epoxy resin, kunye nokuphucula umgangatho we-epoxy resin, kunye nokugcina umgangatho welitye, kunye nokugcina umgangatho welitye. ubunjineli.
Kwizicelo ezisebenzayo, izicwangciso zokulawula le miba ephambili engentla kufuneka isetyenziswe ngokuguquguqukayo ngokohlobo oluthile lwamatye kunye nommandla wokwakha ukufezekisa umphumo wokwakha.