Iarhente yokunyanga i-Epoxy kunye ne-polyurethane
Inombolo	UMOFAN IBANGA	Igama leKhemikhali	Ifomula yoLwakhiwo	Ubunzima beMolekyuli	Inombolo ye-CAS	Isicelo
1	MOFAN DBU	1,8-Diazabicyclo[5.4.0]undec-7-ene		152.24	6674-22-2	Iarhente yokunyanga ii-epoxy resins kunye ne-polyurethane.
2	I-MOFAN SA-1	Ityuwa ye-DBU/phenoxide		246.35	57671-19-9	I-catalyst enobushushu obuphezulu Iyasebenza kwi-ca.40~50℃
3	I-MOFAN SA-102	Ityuwa ye-DBU/2-ethylhexanoate		296.4	33918-18-2	I-catalyst enobushushu obuphezulu Iyasebenza kwi-ca.50~60℃-
5	I-MOFAN DB60	Ityuwa ye-DBU / Phthalic Acid		318.37	97884-98-5	I-catalyst enobushushu obuphezulu Isebenza kwi-90℃ nangaphezulu.

MOFAN DBU

Ndifuna isiseko esomeleleyo se-catalyst kwiinkqubo zokunyanga ze-epoxy-anhydride. Isebenza njani i-DBU?
I-DBU sisincedisi esiqinileyo esisisiseko esikhawulezisa kakhulu ii-epoxy-anhydride reactions kwi-80–120°C, sinciphisa ixesha lokuphiliswa nge-50% nangaphezulu.

I-epoxy adhesive yam ayinamandla obushushu obuphezulu. Ngaba i-DBU ingayiphucula?
Ewe, i-DBU ikhuthaza ukudibana okupheleleyo, inyusa ubushushu benguqu yeglasi (Tg) nge-10–20°C xa kuthelekiswa ne-tertiary amines ezifana ne-DMP-30.

Ngaba i-DBU ifanelekile kwiifomyula ze-epoxy ezifihlakeleyo zecandelo elinye?
Ayisiyonto icocekileyo; isabela kwi-epoxy kubushushu begumbi. Sebenzisa ii-derivatives ze-DBU ezivaliweyo ezifana ne-MOFAN SA-1 okanye i-SA-102 kwiinkqubo zecandelo elinye.

I-polyurethane elastomer yam ifuna i-trimerization catalyst enamandla ukuze iphucule ukumelana nobushushu. Ngaba ingasetyenziswa i-DBU?
Ewe, i-DBU iyasebenza kwi-isocyanate trimerization; sebenzisa i-0.1–0.5 phr ukwandisa uzinzo lobushushu.

Ithini idosi ecetyiswayo ye-DBU kwinkqubo ye-epoxy-amine enamacandelo amabini kubushushu begumbi?
0.5–2 phr (isekelwe kwi-epoxy resin); inciphisa kakhulu ubomi beembiza, ngoko ke yisebenzise ngononophelo kwiindawo ezincinci.

Ingubo yam ye-epoxy ayinyangeki ngokupheleleyo kubushushu obuphantsi (5°C). Ngaba i-DBU inokunceda?
Ewe, i-DBU igcina umsebenzi wokutsala amandla nokuba kumaqondo obushushu aphantsi; yongeza ukuya kwi-2-3 phr kwiifomyula zasebusika.

Ngaba i-DBU ibangela ukutyheli kwi-epoxy castings ecacileyo?
Ewe, inokubangela ukutshintsha kombala; ukuze ubone ngokucacileyo, sebenzisa i-catalyst engabalulekanga kangako okanye uhlobo oluvaliweyo.

I-prepreg yam ye-carbon fiber composite prepreg ifuna unyango olukhawulezileyo kwi-120°C. Ngaba i-DBU ifanelekile?
Ewe, kodwa kuba ilulwelo kwaye iyasebenza kubushushu begumbi, gcina i-prepreg iqandisiwe. Cinga nge-SA-102 ukuze ufumane ixesha elingcono lokulibaziseka.

Ngaba i-DBU ingasetyenziswa njenge-CO₂ absorbent okanye kwi-polyurethane foam njenge-trimer catalyst?
Ewe, i-DBU isetyenziswa ekubambeni i-CO₂ kwaye njengesixhobo sokulungisa i-PIR rigid foam (0.2–0.6 phr).

Ingakanani ixesha lokuphelelwa yi-MOFAN DBU kwisikhongozeli esivuliweyo?
Iinyanga ezili-12 ukuba igcinwe yomile kwaye ingaphantsi kwe-nitrogen; ifunxa i-CO₂ emoyeni owenza i-carbonate, nto leyo enciphisa umsebenzi wayo.

I-MOFAN SA-1
Ndifuna i-epoxy adhesive enento enye enokugcinwa ixesha elide kubushushu begumbi kodwa ikhawuleza ukuphiliswa kwi-40–50°C. Ngaba i-SA-1 ifanelekile?
Ewe, i-MOFAN SA-1 yityuwa ye-DBU evaliweyo ehlala ingasebenzi ngaphantsi kwama-40°C kwaye isebenza ngokukhawuleza kuma-40–50°C, nto leyo enika ixesha elingaphezulu kweenyanga ezi-6 zobomi bokuhlalisa ubushushu begumbi.

I-epoxy structural film adhesive yam ifuna ukucocwa kwi-50°C imizuzu engama-30. Ngowuphi umthamo we-SA-1 oqhelekileyo?
I-1–3 phr isekelwe kwi-epoxy resin; inika ukuchacha okupheleleyo kwimizuzu engama-30 kwi-50°C ngaphandle kokufuna ii-oveni ezishushu kakhulu.

Ngaba i-SA-1 ingasetyenziswa kwiinkqubo zokucoca umswakama ze-polyurethane ezinecandelo elinye?
Ayikhuthazwa; yenzelwe i-epoxy. Kwi-PU, sebenzisa i-amine evaliweyo efana ne-MOFAN SA-102.

I-prepreg yam ye-carbon fiber kufuneka igcinwe kubushushu begumbi kangangeenyanga. Ngaba i-SA-1 inika ixesha elifanelekileyo?
Ewe, i-SA-1 inika ixesha elihle kakhulu kwiinkqubo ze-epoxy-anhydride okanye ze-epoxy-dicyandiamide; gcina ifomula yomile.

Ingakanani iqondo lobushushu lokusebenza le-SA-1?
Malunga nama-40–50°C. Ngaphantsi kwama-40°C, i-catalyst ayisebenzi ngokupheleleyo.

I-compound yam ye-elektroniki yokumba ifuna unyango oluphantsi kubushushu (50°C) ukuze kuthintelwe ukonakalisa izinto. Ngaba i-SA-1 lukhetho olufanelekileyo?
Ewe, i-SA-1 iyaphilisa kwi-50°C ngaphandle kokuqhekeka kwe-exotherm; sebenzisa i-1.5–2.5 phr ukuze uphiliswe ngokupheleleyo kwiyure e-1–2.

Ngaba i-SA-1 ibangela ukugqwala kwi-copper okanye kwezinye izinyithi?
Hayi, iityuwa zephenoxide azidli ngokubola; nangona kunjalo, jonga ukuba unxibelelana nesinyithi na.

I-epoxy adhesive yam ilahlekelwa ngamandla emva kokuguga kubushushu. Ngaba i-SA-1 ingaphucula ukumelana nokuguga?
I-DBU evalekileyo inika unyango olulawulwayo ngakumbi, inciphisa uxinzelelo lwangaphakathi kwaye iphucula ukuguga kobushushu.

Ngaba i-SA-1 ingasetyenziswa kunye nee-anhydride hardeners kwiikhompawundi zokubumba ze-epoxy ezinobushushu obuphezulu?
Ewe, i-SA-1 isebenza kakuhle nee-anhydrides (umz., i-MHHPA, i-THPA) ukunyanga kwi-80–100°C, inika i-Tg ephezulu.

Yeyiphi indlela eqhelekileyo yokwenza i-epoxy paste ene-component enye ene-SA-1?
I-Epoxy resin (100 phr), i-anhydride hardener (80–100 phr), i-SA-1 (1–3 phr), kunye nezizalisi njengoko kufuneka. Gcina ngaphantsi kwama-30°C.

I-MOFAN SA-102
Ndifuna i-epoxy adhesive enecandelo elinye ephilisa kwi-50–60°C ukuze idibanise ulwakhiwo lweemoto. Kutheni ukhetha i-SA-102?
I-SA-102 inobushushu obuphezulu kancinci bokusebenza (50–60°C) kune-SA-1, nto leyo enika uzinzo olungcono ngakumbi kubushushu begumbi ngelixa isaphila kubushushu obuphakathi.

I-polyurethane yam ene-single-component moisture-cure sealant ifuna i-catalyst efihlakeleyo esebenza kwi-60°C. Ngaba i-SA-102 ifanelekile?
Ewe, i-SA-102 ingasetyenziswa kwiinkqubo ze-polyurethane njenge-catalyst evalekileyo, ingakumbi kwizicelo zokunyangwa ngenkani kwi-60–80°C.

Yintoni inzuzo ye-SA-102 kune-SA-1?
I-SA-102 inika uzinzo olude lokugcina kwiqondo lobushushu begumbi (ngaphezulu kweenyanga ezili-12) kunye nesithuba sokusebenza esibukhali.

I-epoxy prepreg yam yeeblade ze-wind turbine ifuna ukucocwa kwi-60°C kangangeeyure ezi-2. Ngowuphi umgangatho we-SA-102 ekufuneka ndiwusebenzise?
I-1–2 phr (kwi-epoxy) idityaniswe ne-hardener efanelekileyo (i-dicyandiamide okanye i-anhydride).

Ngaba i-SA-102 isebenza neenkqubo zokuphosa i-polyurethane ukulibazisa ukusabela ide ifudumale?
Ewe, ingasetyenziselwa ukwenza i-polyurethane enecandelo elinye elinyangekayo ngobushushu; idosi eqhelekileyo yi-0.5–1.5 phr.

Izixhobo zam zokufaka i-elektroniki zifuna inkqubo ene-viscosity ephantsi, enento enye. Ngaba i-SA-102 iyahambelana?
Ewe, i-SA-102 iyanyibilika kwii-resin ezininzi ze-epoxy kwaye ayinyusi kakhulu i-viscosity.

Ingakanani ixesha lokuphelelwa kwe-epoxy ye-component enye equlethe i-SA-102 kuma-25°C?
Ngokwesiqhelo ihlala iinyanga ezi-6-12 kwisikhongozeli esivaliweyo nesomileyo; kuphephe ukufuma kunye namaqondo obushushu aphezulu.

Ngaba i-SA-102 ingasetyenziselwa ukunyanga ii-resin ze-epoxy-phenolic kwiingubo ezishushu kakhulu?
Ewe, ikhawulezisa ukudibana phakathi kwe-epoxy kunye ne-phenolic resins kwi-80–100°C.

Iglu yam ayinyangeki kwiindawo ezixineneyo ngenxa yesinki yobushushu. Inceda njani i-SA-102?
Ukusebenza kwayo okubangelwa kubushushu kuqinisekisa ukuphiliswa nokuba kukhulu xa ubushushu bokusebenza bufikelelwe.

Ingaba i-SA-102 inetyhefu okanye iyingozi?
Ayinazo iinguqu ezininzi kodwa iyayicaphukisa ulusu; isiphatho sayo sineeglavu. Ayinazo iintsimbi ezinzima.

I-MOFAN DB60
Ndivelisa izincamathelisi zesakhiwo se-epoxy ezinenxalenye enye ekufuneka zihlale zizinzile kangangeenyanga kwi-40°C kwaye ziqine kuphela ngaphezu kwe-90°C. Ngaba i-DB60 lukhetho olufanelekileyo?
Ewe, i-MOFAN DB60 inobushushu bokusebenza obuyi-90°C nangaphezulu, nto leyo enika ixesha elihle lokubanda nokuba kushushu.

Umgubo wam ogqunywe ziingceba zesinyithi ufuna i-agent ephilisayo esebenza kwi-120°C. Ngaba i-DB60 ingasetyenziswa kwi-epoxy hybrid powders?
Ewe, i-DB60 isebenza kakuhle kwiingubo ze-epoxy powder; umgangatho oqhelekileyo yi-1–3% ye-resin iyonke, inyibilika kwi-120–150°C.

Yintoni inzuzo ye-DB60 kune-SA-102 kwizicelo ze-prepreg?
I-DB60 ivumela ukugcinwa kubushushu obuphakathi (nokuba kufikelele kwi-40°C) ngaphandle kokuqhubela phambili, ilungele ukwenziwa kwezinto ezinkulu ezilungiselelwe kwangaphambili.

I-composite yam ye-carbon fiber kufuneka icocwe kwi-130°C imizuzu engama-30. Ingakanani i-DB60 ekufuneka ndiyisebenzise?
I-2–4 phr isekelwe kwi-epoxy; inika ukuphiliswa ngokukhawuleza kwaye ikhupha ukuguquguquka okuncinci.

Ngaba i-DB60 ingasetyenziswa kwiinkqubo zokunyanga ezisebenzisa ubushushu obuphezulu be-polyurethane?
Ewe, njengesixhobo esivalekileyo sokudibanisa i-polyurethane esebenza ngobushushu, umz., kwii-adhesives ezinyibilikayo ezisabelayo.

Ngaba i-DB60 ibangela naluphi na utshintsho kumbala kwii-epoxy castings ezinemibala ekhanyayo emva kokulungiswa kobushushu obuphezulu?
Incinci; ivelisa umbala ongwevu okhanyayo, ongaphantsi kwezinye izinto ezininzi ezifihlakeleyo.

I-epoxy paste yam enenxalenye enye ayinakunamathela kakuhle kwi-aluminiyam emva kokuba ilungisiwe. Ngaba i-DB60 ingayiphucula indlela enamathela ngayo?
Hayi ngokuthe ngqo; kodwa kuba ivumela ukuphiliswa okucocekileyo, okushushu kakhulu ngaphandle kokusabela kwangethuba, ukunamathela kunokwandiswa.

Yintoni indibaniselwano eqhelekileyo ye-hardener kunye ne-DB60 kwi-epoxy enecandelo elinye?
I-Dicyandiamide (dicy) okanye ii-anhydrides (MHHPA, nadic methyl anhydride) zisetyenziswa kakhulu.

Inxalenye yam edityanisiweyo inee-voids ngenxa yokufakwa kwe-gelling ngaphambi kwexesha. Ngaba i-DB60 iya kuyisusa i-voids?
Ewe, ubushushu bayo obuphezulu bokusebenza buvumela ukuhamba ngokupheleleyo kwe-resin kunye nokuphuma komoya ngaphambi kokuba unyango luqale.

Ingakanani ixesha lokugcinwa kweDB60 kwi-masterbatch?
Ngaphezulu kweenyanga ezili-12 xa igcinwe ngaphantsi kwama-30°C kwisikhongozeli esomileyo nesivaliweyo.