Phakathi kwesibhakabhaka esiqaqambileyo seenkwenkwezi zezinto ezikrwada zeekhemikhali, i-m-phenyldimethylamine, eneempawu zayo ezikhethekileyo nezibalaseleyo, iye yaba yinto ebalulekileyo ebaluleke kakhulu kumashishini amaninzi, ikhokela utshintsho lwemizi-mveliso kunye nokuvelisa izinto ezintsha emva kwenye.
I-M-phenyldimethylamine lulwelo olungenambala kubushushu begumbi, olunobunzima bemolekyuli obuyi-136.194, uxinano oluyi-1.1±0.1 g/cm³, iqondo lokubila eliyi-247.0±0.0 °C (760 mmHg), kunye neqondo lokunyibilika eliyi-14°C. Kwisakhiwo sayo semolekyuli, iqela le-aliphatic primary amine kunye ne-benzene ring zidityaniswe ngobuchule, zinika uluhlu lweempawu eziphawulekayo.
"Injini egqwesileyo" kwicandelo lokulungisa i-epoxy
Njenge-epoxy resin curing agent, i-m-phenyldimethylamine ikhokela kushishino. Ngenxa yokuba iqulethe amaqela e-aliphatic primary amine, inokukhawuleza isebenzise imiphumo yokuphilisa kubushushu begumbi, inciphise kakhulu umjikelo wemveliso kwaye iphucule ukusebenza kakuhle kwemveliso. Imveliso ephilisiweyo ayinayo nje kuphela ukumelana nobushushu obuhle kwaye inokuhlala izinzile kwiindawo ezinobushushu obuphezulu, obungcono kunee-polyamines eziqhelekileyo ze-aliphatic; Ikwanayo nokumelana okubalaseleyo kweekhemikhali. Nokuba zizinyibilikisi ze-organic ezifana ne-toluene okanye i-corrosive media efana ne-10% wt sulfuric acid, kunzima ukuyibangela umonakalo. Olu phawu luyenze yakwazi ukukhanya kakhulu kwiindawo zokuncamathelisa ibhetri kunye nee-adhesives ze-terminal post. Ngeenzuzo ze-viscosity ephantsi, ukuhamba lula kunye nokungena okuhle, iqinisekisa ukuba i-adhesive inokutywinwa ngokugqibeleleyo, imelane nokukhukuliseka kwegesi ye-asidi kunye nolwelo lwe-asidi, kwaye imelane neempembelelo zamandla angaphandle, ngaloo ndlela ikhusela ukusebenza okukhuselekileyo nokuzinzileyo kweebhetri. Okwangoku, ekusebenziseni izinto zokugquma ezilwa nokugqwala ukulungisa iibhulorho, izinto zokugquma imibhobho, izikhongozeli zeenqanawa, umgangatho, njl.njl., i-m-phenylenediamine, xa idibene ne-epoxy resin, inokubonisa ukunamathela okuhle kakhulu nakwiindawo ezifumileyo, ikwazi ukumelana ngempumelelo neemeko ezinzima kwaye yandise ubomi benkonzo yezakhiwo.
"I-Innovation Booster" yamashishini ahlukeneyo
Kwimveliso yeeresini ze-polyurethane kunye neengubo, i-m-phenyldimethylamine isebenza njengezinto ezibalulekileyo kwaye ithatha inxaxheba ekwakhiweni kwezakhiwo zeemolekyuli ezisebenza kakuhle. Ingaphucula kakhulu ukuguquguquka, ukumelana nokuguguleka kunye nokumelana nempembelelo kwezinto ze-polyurethane, inika iingubo ukumelana nemozulu ephezulu kunye nokukhanya. Isetyenziswa kakhulu ekuhombiseni umphezulu kunye nokukhusela ifenitshala, iimoto, ulwakhiwo kunye nezinye iindawo. Kwintsimi yezongezo zerabha, ukongezwa kwayo kunokuphucula inkqubo yerabha ye-vulcanization, kunyuse amandla, ukuthamba kunye nokumelana nokuguga kweemveliso zerabha, kwaye kuphucule ngokupheleleyo umgangatho weemveliso zerabha ukusuka kumatayara ukuya kwizitywini zerabha. Ukongeza, i-m-phenyldimethylamine ikwayi-monomer ebalulekileyo ekuqulunqweni kwezinto ze-nylon ezisebenza kakuhle ezifana ne-polyadipylm-phenyldimethylamine (MXD6). I-MXD6, enesakhiwo sayo esahlukileyo esinikwe yi-m-phenyldimethylamine, ineempawu eziphezulu zokuthintela (ukungena kweoksijini yi-1/10 kuphela ye-PA6), amandla aphezulu kunye nokuqina (amandla okutsalwa ukuya kuthi ga kwi-280MPa, i-flexural modulus ukuya kuthi ga kwi-24GPa), ukumelana okuhle nobushushu (ubushushu obuguquguqukayo ukuya kuthi ga kwi-73.8℃, 1.8MPa), kunye nesantya esiphantsi sokufunxwa kwamanzi. Ibonakalise amandla amakhulu okusetyenziswa kwiindawo eziphambili ezifana nezixhobo ezilula zeerobhothi, izinto zezithuthi zamandla amatsha, kunye nokupakishwa kokutya okuphezulu, kwaye ibe yimpembelelo ephambili eqhuba ukuphuculwa kwemizi-mveliso. Akuphelelanga apho, kumashishini amaninzi afana neeplastiki ezibuthathaka kwifoto, izibulali-zinambuzane, ii-fiber finishing agents, izithinteli zokugqwala, ii-chelating agents, ii-lubricants, kunye nokucubungula iphepha, i-m-phenyldimethylamine, eneempawu zayo ezikhethekileyo, inika amandla aqhubekayo okuqhuba uyilo lwemveliso kunye nokwenza ngcono ukusebenza.
Ukususela kumthombo wemveliso ukuya ekusetyenzisweni kokugqibela, i-m-phenyldimethylamine inamathela ngokungqongqo kulawulo lomgangatho. Inkqubo yemveliso isebenzisa ubuchwepheshe obuphambili, iqala kumxube we-m-xylene kunye ne-p-xylene, ize emva koko isebenzise i-oxidation reactions kunye nomoya kunye ne-ammonia ukuvelisa i-m-xylene kunye ne-p-phenyldimethylnitrile. Emva koko, idlula kuthotho lwamanyathelo achanekileyo afana nokuhlamba ngamanzi, ukomisa, kunye ne-catalytic hydrogenation, ekugqibeleni ifumana iimveliso ezicocekileyo kakhulu. Ibhetshi nganye yeemveliso ivavanywa ngokungqongqo ukuqinisekisa ubunyulu be-≥ 99.0%, kunye nazo zonke izalathisi ezizinzileyo nezithembekileyo, ezibonelela abathengi ukhetho oluqinisekisayo. Imveliso ipakishwe kwiidrama zeplastiki ezingama-200-kilogram ukuze ithuthwe kwaye igcinwe ngokulula. Kufuneka igcinwe kwindawo epholileyo nengena umoya, ilandele ngokungqongqo imigaqo yokugcina kunye nokuthuthwa kwezinto ezinokutsha nezinobuthi ukuqinisekisa ukuba umgangatho wemveliso awuchaphazeleki.
I-M-phenyldimethylamine, esebenza kakuhle njengesiseko kunye nokusetyenziswa okuhlukeneyo njengeempiko, inceda amashishini ahlukeneyo ukuba aphume kwiingxaki zobugcisa aze aqalise uhambo olutsha lomgangatho ophezulu kunye nophuhliso olutsha. Joyina i-m-phenyldimethylamine kwaye wamkele ikamva elingenamda leshishini leekhemikhali kunye!
Ixesha lokuthumela: Juni-30-2025
