I-Cellulose ether (CE) yi-multifunctional polymer compound efunyenwe ngokuguqulwa kweekhemikhali ze-cellulose yendalo. Isetyenziswe ngokubanzi kwi-adhesives tile kwizinto zokwakha. Ubume bayo obukhethekileyo beekhemikhali kunye neempawu ezibonakalayo zinika inzuzo ebalulekileyo ekuphuculeni ukusebenza kwe-adhesives tile.
1. Ukuqina kunye neempawu zokunqunyanyiswa
I-ether ye-cellulose isebenza kakhulu njengento yokutyeba kwizinto zokuncamathelisa iithayile. Inokunyusa kakhulu i-viscosity kunye nokuhambelana kwenkqubo, ngaloo ndlela iphucula ukwakhiwa kunye nokusebenza kokusebenza kwe-adhesive. Ngokunyusa i-viscosity ye-adhesive, i-cellulose ether inokumisa ngokufanelekileyo iincinci eziqinileyo kunye nokuthintela i-colloids kwi-stratification kunye nemvula ngexesha lokugcinwa okanye ukusetyenziswa.
I-Thickening effect: I-ether ye-cellulose inokwenza isakhiwo sothungelwano kwisisombululo samanzi, ifake kwaye imise amaqhekeza e-samente, kwaye yenza inkqubo ibe ne-viscosity ephezulu. Le propati inceda ukukhusela i-slippage ye-adhesives tile ngexesha lokwakhiwa kwiindawo ezithe nkqo.
Ukuzinza kokumiswa: Ngokusasaza ngokulinganayo iincinci kwi-matrix ye-viscous, i-cellulose ethers ivumela i-adhesives ye-tile ukuba ihlale ifana ngexesha lokuma, ngaloo ndlela iqinisekisa ukusebenza kakuhle kunye namandla okugqibela okudibanisa.
2. Ukugcinwa kwamanzi
Ukugcinwa kwamanzi ngomnye wemisebenzi engundoqo ye-cellulose ethers. Iyakwazi ukufunxa inani elikhulu lamanzi kwi-adhesives tile, evumela ukuba amanzi akhululwe kancinci. Lo msebenzi ubalulekile ekuphenduleni kwe-hydration yezinto ezisekelwe kwi-samente kwaye ichaphazela ngokuthe ngqo inkqubo yokunyanga kunye neempawu zokubopha i-adhesive tile.
Ukuxhaswa kwe-hydration reaction: Ukugcinwa kwamanzi kwe-cellulose ethers kuqinisekisa ukuba i-samente inamanzi aneleyo okuhlamba ngexesha lenkqubo yokuqina, okubalulekileyo ekuphuculeni amandla kunye neempawu zokubopha i-adhesives.
Ixesha elivulekileyo elongeziweyo: Ngenxa yokuba ukugcinwa kwamanzi kwandisa ixesha elikhoyo lokufuma kumphezulu we-adhesive, abasebenzi bokwakha banexesha elingakumbi lokulungelelanisa nokubeka, ngaloo ndlela kuphuculwe ukusebenza kakuhle kolwakhiwo.
3. Iipropati eziphuculweyo ze-rheological
I-cellulose ethers inempembelelo ebalulekileyo kwiipropati ze-rheological zokunamathiswa kweetayile. I-Rheology ibhekiselele ekuhambeni kunye neempawu zokuguqulwa kwezinto eziphantsi koxinzelelo. I-cellulose ethers inokulungelelanisa uxinzelelo lwesivuno kunye ne-thixotropy ye-adhesive, ngaloo ndlela iphucula ukusebenza kwayo.
Ukulawulwa koxinzelelo lwesivuno: I-cellulose ethers inokwenza amandla athile okwakhiwa kwi-adhesive, ngoko ke kufuneka amandla athile angaphandle ukuze kuqalise i-colloid ukuhamba. Oku kunceda ukuthintela ukuncamathelisa ekuhexeni okanye ukutyibilika ngexesha lolwakhiwo.
Ukuphuculwa kwe Thixotropy: I-cellulose ethers yenza i-adhesive ye-tile ibonise i-viscosity ephezulu xa imile, kodwa i-viscosity iyancipha ngokukhawuleza phantsi kwesenzo samandla okucheba, okwenza kube lula ukusasazeka nokusabalalisa ngexesha lokwakha. Emva kokuba ukwakhiwa kugqityiwe, i-viscosity ibuyiselwa, enceda ukugcina iileyili kwindawo.
4. Ukuphucula ukusebenza kwe-anti-sag
Xa ufaka iileyile kwiindawo ezithe nkqo okanye ezithambekileyo, ukuthintela i-adhesive kwi-slipping yinto ebalulekileyo. I-cellulose ethers iphucula ngokufanelekileyo ukusebenza kwe-anti-sag ye-adhesives ngokusebenzisa ukuqina kunye nemisebenzi yohlengahlengiso lwe-rheology, evumela i-colloid ukuba ilungise ngokuqinileyo iithayile ngexesha lokwakhiwa ngokuthe nkqo.
Ukulawulwa kwe-Sag: I-cellulose ethers inokwenza i-gel isakhiwo kunye nokubambisana okuphezulu, okwenza ukuba i-adhesive ibe noxinzelelo oluphezulu lwesivuno kwindawo ethe nkqo, ngaloo ndlela ikhusela iileyili ukuba zidibanise.
5. Ukomelezwa kokuqina kwebhondi
I-cellulose ethers idlala indima ephambili ekuphuculeni amandla e-bond of adhesives. Ukugcinwa kwayo kwamanzi kunye neempawu zokulawula i-rheological yenza ukuba i-adhesives ye-tile ikwazi ukungena kakuhle kwindawo yeetayile kunye ne-substrates, ngaloo ndlela iphucula ukubambelela.
Ukusebenza kokumanzisa: I-ethers ye-cellulose ilungelelanisa i-fluidity ye-adhesives ukwenzela ukuba bangene kakuhle kwaye babambelele kumphezulu weethayile kunye ne-substrates, ukwandisa indawo yokudibanisa, kunye nokuphucula amandla okudibanisa.
Ukuphucula ukufana: Ngenxa yesiphumo sokuqina kwe-cellulose ethers, amacandelo okunamathela asasazwa ngokulinganayo, ukunciphisa ingxaki yamandla angalinganiyo okudibanisa okubangelwa yi-sedimentation yezinto zendawo.
6. Thintela ukuqhekeka
I-adhesives ye-tile ixhomekeke ekunciphiseni kunye nokuqhekeka ngenxa yokulahlekelwa kwamanzi ngexesha lokumisa kunye nenkqubo yokuqina. Iipropathi zokugcinwa kwamanzi ze-cellulose ethers zinokucothisa ngokufanelekileyo ukulahleka kwamanzi, ukunciphisa ukomisa ukuncipha, kunye nokuthintela ukwakheka kokuqhekeka.
Ukomisa ukulawulwa kwe-shrinkage: Ngokulawula izinga lokukhutshwa kwamanzi, i-cellulose ethers inokunciphisa i-shrinkage ye-adhesives ngexesha lenkqubo yokomisa, ngaloo ndlela inciphisa umngcipheko wokuqhekeka.
7. Ukuphuculwa kokumelana nemozulu kunye nokuqina
I-cellulose ethers nayo inokuphucula ukuxhathisa kwemozulu kunye nokuqina kwe-adhesives tile. Ukuzinza kwayo okuphezulu kwimeko emanzi kunokunyusa ukusebenza kwe-adhesives kwiindawo ezinomswakama kunye nokuphucula amandla okulwa nokuguga.
Ukuxhathisa ukufuma: I-cellulose ethers isenako ukugcina imisebenzi yabo kwiindawo ezinomswakama, ezinceda i-adhesives ye-tile ukugcina ukunamathela kwexesha elide phantsi kweemeko ezimanzi.
Ukuchasana nokuguga: I-cellulose ethers iphucula ukuqina kwexesha elide lokunamathela ngokukhusela i-cementitious substrates ekulahlekeni komswakama ngokukhawuleza kunye nokukhukuliseka kwendalo.
8. Ukhuseleko lwendalo
I-cellulose ethers zithathwe kwi-cellulose yendalo kwaye zenziwe ngokuguqulwa kweekhemikhali. Banokuguquguquka okuhle kwezinto eziphilayo kunye nobuhlobo bendalo. Kumxholo wezinto zokwakha zanamhlanje ezigxininisa ngakumbi ekukhuselweni kwendalo kunye nophuhliso oluzinzileyo, i-cellulose ethers ineenzuzo ezibalulekileyo njengezongezo ezikhuselekileyo nezisebenzayo.
Ukusetyenziswa kwe-cellulose ethers kwi-adhesives tile iyona nto iphambili ekuphuculeni ukusebenza kwabo. Ukuqina kwayo, ukugcinwa kwamanzi, ukulungiswa kwe-rheology, i-anti-sagging, i-bonding ephuculweyo, kunye neempawu zokuthintela ukuqhekeka ziphucula kakhulu umsebenzi wokwakha kunye nesiphumo sokugqibela sokunamathelisa iithayile. Kwangaxeshanye, ukhuseleko lwendalo lwe-cellulose ethers lukwahlangabezana neemfuno zokhuseleko lokusingqongileyo kwizinto zokwakha zanamhlanje. Njengesongezo esibalulekileyo esisebenzayo, i-cellulose ethers iya kuqhubeka idlala indima ebalulekileyo kwintsimi yokwakha i-adhesives, inceda ukuphuhliswa kweenkqubo ezisebenzayo kunye nezizinzileyo zokupakisha iileyili.
Ixesha lokuposa: Jun-21-2024