- Imvelaphi kunye noBume
I-resin ye-melamine formaldehyde eguquliweyo, ekwaziwa ngokuba yi-melamine formaldehyde resin okanye i-melamine resin, yinxalenye ebalulekileyo ye-triazine ring compound. Yimveliso eyenziwe yi-reaction yokongeza i-melamine kunye ne-formaldehyde, ize emva koko yomiswe kwaye idityaniswe. I-resin ye-melamine inokumelana kakuhle kwamanzi, ukumelana nokwaluphala, ukumelana nomlilo, ukumelana nobushushu, ukumelana nokugqwala kweekhemikhali kunye neempawu zokuthintela. Ingasetyenziswa ekwenzeni iiplastiki ezibunjiweyo (izinto zokutya zemihla ngemihla kunye nezixhobo zombane), iibhodi zokwenziwa (i-plywood, umgangatho womthi onamathelisiweyo kunye neebhodi zeplastiki ezinamathelisiweyo) kunye ne-foam. Ngaphandle koko, i-resin ye-melamine ikwasetyenziswa kakhulu njenge-coating, i-wood adhesive, i-paint cross-linking agent, i-fiber textile agent, i-paper wet strength agent kunye ne-samente water reduction agent, njl.njl.
- II. Isicelo
- Isicelo kwishishini lesikhumba
Kwishishini lesikhumba, i-melamine resin isetyenziswa ngokuqhelekileyo njenge-pre-tanning, i-retanning kunye nokuzalisa i-resin, phakathi kwayo i-trihydroxymethyl melamine resin yeyona nto isetyenziswa kakhulu kwi-amino resin. Iinreyithi ze-amino zinesixhobo sokwenza ulusu esifana neso solusu lwe-aldehyde: i-prepolymer ingena kwisikhumba, kwaye njengoko ixabiso le-pH liyancipha, i-prepolymer idibanisa ngokuzenzekelayo kwiimolekyuli zobukhulu obuthile ngaphakathi kwesikhumba. Emva koko, i-esebenzayo -NHCH 2 OH kwimolekyuli ijiya kunye neqela le-amino kwikhonkco le-collagen peptide, yenze inkqubo ye-covalent cross-linked ngeenjongo zokutshisa. Ngexesha elifanayo, i-amino resin inefuthe lokuzalisa. Ngeendlela zokuvavanya, kufumaniseka ukuba le resin ineempawu zokulukwa kunye nokuzaliswa, kwaye inokuzaliswa phakathi kweentsinga ze-collagen zesikhumba ngobuninzi obuninzi ukufezekisa isiphumo sokwenza umzimba wesikhumba utyebe.
I-Melamine resin arhente yolusu isetyenziselwa ukunyibilika kwesikhumba esilukiweyo se-chrome, esinokwenza ulusu olugqityiweyo lube neenkozo ezineenkcukacha, umzimba opheleleyo kunye nethambo, ukujiya okucacileyo, isiphumo esihle sobumhlophe kunye nokumelana nokukhanya okulungileyo. Kwaye iyahambelana kakuhle nezinye iiarhente zokulukwa. Ukuba isetyenziswe ngokudityaniswa ne-agent yokutshisa imifuno, inokukhuthaza ukungena kunye nokufunxa i-agent ye-tanning yemifuno kunye nokwandisa ukuxhathisa ukunxiba kunye nokumelana nemozulu yesikhumba. Ukuba isetyenziselwa ukugcinwa kwe-suede, umphumo wemfumba ulungile.
- Isicelo kwishishini lephepha
Isetyenziswe njengesiphuculi esimanzi, umgaqo we-anti-agent kunye neempawu zokusebenza ngenxa yokuba i-melamine formaldehyde resin iqukethe i-hydroxymethyl, inokwenza isakhiwo se-etherification phakathi kweenyanda zefiber. Le cross-linking phakathi iimolekyuli ezahlukeneyo kunye nokuvelisa ukuxhathisa amanzi, ukuze iphepha iphepha ukufumana isiphumo amandla ukufuma, ngoko kushishino iphepha ikakhulu isetyenziswa njenge agent ukomeleza emanzi, arhente anti-amanzi. Isetyenziswe kwishishini le-papermaking ikakhulu i-hydroxymethyl melamine, kodwa ngenxa yokuzinza kwayo, ukunyibilika kwamanzi kunye nomxholo wamahhala we-formaldehyde ayifanelekanga kwaye inefuthe elibi kumhlophe kunye nokuqina kwephepha, ngoku isetyenziswa ngokubanzi i-resin eguquliweyo.
- Isetyenziswa njenge-ceramic kunye ne-samente dispersant
I-Melamine formaldehyde resin sulfonate yinto efanelekileyo ye-anionic surfactant, inomsebenzi ongaphezulu kunye nezinye izinto ezixabisekileyo, ezisetyenziswa ngokuqhelekileyo ekhaya nakwamanye amazwe njenge-ceramics, isamente, ikhonkrithi kwi-dispersant esebenzayo okanye i-arhente yokunciphisa amanzi. Indlela yokusebenza kwayo ikakhulu: olu hlobo lwe-ejenti yokunciphisa amanzi ine-adsorption kunye ne-dispersion and lubrication, ngoko ke ukusetyenziswa kwamanzi amancinci kunokuphucula ukuhambelana kwekhonkrithi, ukuze kufezekiswe injongo yokunciphisa amanzi. Njengoko umlinganiselo wokuxuba amanzi uyancipha, i-pores kwikhonkrithi iyancipha, yenza i-samente ibe nzima kwaye ikhulise amandla, inokunciphisa inani le-samente. Ngenxa yokungeniswa kwe-arhente yokunciphisa amanzi, iimveliso ze-samente ze-hydration zikhula ngokucothayo, isakhiwo se-mesh ye-sulfonated yekhonkrithi ixinene ngakumbi, ekhuthaza ukwanda kwamandla exesha elide lekhonkrithi.
- Isetyenziswa njengento yokuncamathelisa iinkuni
Kwishishini lemithi, i-melamine formaldehyde resin isetyenziswa kakhulu njengesincamathelisi. Ekubeni inomsebenzi omkhulu weekhemikhali, ekungeneni kwayo kwiimveliso zeenkuni, isantya sokuqina kokudibanisa sikhawuleza. Phantsi kwemeko yokuba akukho mfuneko yesinye isiqinisi, sinokuqina ngobushushu okanye siqiniswe ubushushu begumbi, ngaloo ndlela sivelise isiphumo sokubopha. Ngenxa yokuzinza kwayo kubushushu, ukumelana namanzi, kunye nokumelana neekhemikhali, isetyenziswa kakhulu kwibhodi yokwenziwa, kwiinkuni, kulwakhiwo, ekupakisheni amaphepha, nakwezinye iindawo. Ingqwalasela kweli candelo ikakhulu yindlela yokoyisa imeko yokuqhekeka kunye nokufumana i-melamine formaldehyde resin eguquguqukayo ngokulinganayo, kwaye isisombululo sangoku sinjengokongeza i-polyvinyl alcohol. Kuba inokusabela ne-formaldehyde ukuvelisa i-polyvinyl alcohol methanol, isasazwa ngokulinganayo kwi-resin ukuvimba iimolekyuli ze-MF resin kwiimolekyuli ze-triazole ezikufutshane ukuze zidlale isiphumo sokuqina, ukuthintela ukuqhekeka.
- Isetyenziswa njengelaphu lokuprinta kunye ne-ejenti yokugqiba idayi
Kwishishini le-textile, i-melamine formaldehyde resin kunye ne-derivatives zizinto ezibalulekileyo zokulungiselela ukuprintwa kwelaphu kunye nee-agent zokugqiba ukudaya. Indlela yokusebenza kwayo ngokuyinhloko njenge-adjustment ye-surface kunye ne-ejenti yokudibanisa kwiindwangu, ngaloo ndlela iphucula ukusebenza kweendwangu zomqhaphu malunga nokuthintela ukushwabana, ukuthintela imibimbi kunye nokuchasana nokuhlamba. Nangona kunjalo, ngenxa yozinzo olubi lokugcinwa, isiphumo selaphu siziva sirhabaxa kwaye kulula ukufunxa iklorini emthubi kunye nezinye iintsilelo, ukuguqulwa kophando lwayo kuyanda. Ukusetyenziswa kwangoku kwe-methanol etherification ye-melamine resin, ukongeza i-cyclic vinylidene urea, i-borax kunye nezinye i-formaldehyde modifiers ukufumana i-ultra-low aldehyde ukuzinza okuphezulu kwe-melamine formaldehyde resin finishing agent. I-resin eguquliweyo isetyenziselwa i-poplin ene-bleached ukukhusela ukushwabana kunye nokugqiba imibimbi, i-yellowing kunye nomonakalo we-chlorine unokuphuculwa, ukuchasana nokuhlamba kubhetele. I-resin elungisiweyo yayisetyenziselwa ukulwa nokushwabana kunye nokunqanda imibimbi ukugqitywa kwe-poplin enebleached.
Ulwazi oluthe kratya malunga ne-SINOYQX modified melamine formaldehyde resin, nceda unxibelelane nathi nge-imeyile: [email protected] , okanye usithumelele umyalezo ku: +86-28-8411-1861.
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