Indima yeeGel Catalysts kwiPolyurethane: Ukuqonda iMXC-T12 (DBTDL) kwiGelling Reaction

Yintoni iGel Catalyst?

Ii-gel catalystkwikhemistri ye-polyurethane yinto ekhawulezisa impendulo phakathiisocyanatekwaye ii-polyol, kwaye iibhondi ze-polyurethane ezenziweyo zinika ulwakhiwo lokugqibela lwento. Olu hlobo lokusabela lubalulekile kwimveliso ye-polyurethane kuba lumiselaiipropati zoomatshinikwayeuzinzoyefoam okanye i-coating ephumayo. I-gel catalyst ikhuthaza isigaba "sokudibanisa" okanye "sokuqinisa", esibizwa ngokuba yi-gelling reaction, endaweni ye-blowing catalyst eququzelela impendulo phakathi kwe-isocyanate namanzi, ikhuphe i-carbon dioxide, kunye nokwandiswa kwe-foam.

Indlela Yokusabela Kwisihluzo Sejeli

  1. Ukusebenza kwePolyol kunye ne-Isocyanate:Ii-catalysts zejeli, ezifanai-dibutyltin dilaurate (I-DBTDL)kwi-MXC-T12, sebenzisa amaqela e-hydroxyl kwi-polyol nakwi-isocyanate groups. Oku kunciphisa umqobo wamandla wohlaselo lwe-nucleophilic lweqela le-polyol's hydroxyl kwi-carbon ye-isocyanate.
  2. Ukwakhiwa kweeNxibelelwano zeUrethane:I-catalyst inceda ukwakheka kweebhondi ze-urethane ngokukhawulezisa i-reaction kinetics. Oku kukhokelela ekudibaneni kwee-polymer chains, nto leyo eyandisa i-viscosity kwaye iqinise izinto.
  3. I-Catalysis eKhethayo: I-DBTDL (MXC-T12)ukhetha kuphelaimpendulo yejelikwaye iqinisekisa ukufana kokunyanga. Ayikhuthazi kakhulu iimpendulo ezingalindelekanga ezifana nokunciphisa i-isocyanates, iqinisekisa iimpawu zemveliso ezifunwayo.

Ukusetyenziswa kweMXC-T12 (DBTDL) njengeGel Catalyst

I-MXC-T12 isetyenziswa kakhulu kwiinkqubo ze-polyurethane apho ukuchaneka nokulawula impendulo yejeli kubalulekile. Nazi iindima zayo kwiimeko ezahlukeneyo zokusetyenziswa:

1.Igwebu lokutshiza:

I-MXC-T12 iqinisekisa ukuphiliswa ngokukhawuleza kunye nokudibanisa okufanayo kwiifoam zokutshiza ezivaliweyo okanye ezivulekileyo.

Ilungelelanisa impendulo phakathi kokwandiswa (ukuvuthela) kunye nokuqina (ukugaya), iqinisekisa ukuba i-foam ifikelela kwiimpawu zesakhiwo ezifunekayo.

Isincedisi sesinyithi

2.Iingubo kunye neeAdhesives:

Kwiingubo zokwaleka, i-MXC-T12 ikhuthaza ukuchacha ngokulinganayo, nto leyo ebangela ukuba umphezulu ube bushelelezi kwaye uhlale ixesha elide.

Kwizinto zokuncamathelisa, iqinisekisa ukubopha okuqinileyo ngokukhawulezisa ukusabela kwe-gelling ukuze kubekho ubumbano oluphezulu.

3.Amagwebu Aqinileyo Naguquguqukayo:

Kwi-foams eziqinileyo, i-MXC-T12 inceda ekufezekiseni uzinzo oluphezulu kunye namandla okucinezela.

Kwi-foams eziguquguqukayo, iqinisekisa ukuqina okuzinzileyo kunye nokuthamba ngokulawula ukwakheka kwe-urethane.

BDMAEE 3033-62-3

Iintshukumo zeReaction ngeMXC-T12

  1. Idosi ephantsi, Umsebenzi ophezulu:I-MXC-T12 isebenza kakuhle xa iqondo lobushushu liphantsi, inika ulawulo oluhle kakhulu kwiprofayili yokusabela.
  2. Unyango Lokunyanga Emva:I-MXC-T12 iqinisekisa ukuphiliswa ngokupheleleyo kwanasemva kwesigaba sokuqala sokuphendula, nto leyo enegalelo ekuzinzeni ngcono kobushushu kunye namandla oomatshini.
  3. Uzinzo lwe-Hydrolytic:Igcina ukusebenza kakuhle kwiindawo ezimanzi, nto leyo eyenza ukuba ifaneleke kwiifomyula ezivezwe emanzini okanye kumswakama.

Isishwankathelo,I-MXC-T12 (DBTDL)Idlala indima ebalulekileyo njenge-gel catalyst kwiinkqubo ze-polyurethane ngokunceda ukudibanisa ngokuchanekileyo. Ukusebenza kwayo kakuhle kunye nokukhetha kwayo kuyenza ibe lukhetho olubanzi kwiizicelo ezifuna ukuqina, uzinzo, kunye nokusebenza rhoqo, njengee-spray foams, ii-coatings, kunye ne-adhesives.

Ixesha leposi: Novemba-25-2024
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