I-HYDROXYTYL ILANDILONE (Hec)Ngaba i-selsulose inyibilikiswe amanzi efudula ikhutshiwe i-flickening elungileyo, ukwenza ifilimu, ukunyathela, ukuzinzisa, kunye nokuzimisela iipropathi. Ke ngoko, isetyenziswa ngokubanzi kumasimi amaninzi amashishini, ngakumbi idlala indima engenakuthelekiswa nanto kwaye ibaluleke kakhulu kwipeyinti ye-Latex (ekwabizwa ngokuba yipeyinti esekwe emanzini).
I-1. Iipropati ezisisiseko ze-hydroxyythl seluplose
I-HydroxyEtheetheetheetheetheetheetheetheetheethl seluplose yi-polymer pollymer ye-polymer efunyenwe ngokuguqula iimolekyuli zesellum (ukwazisa amaqela e-hydroxyyl kwimolekyuli). Iimpawu zayo eziphambili zibandakanya:
I-Solibuz yamanzi: I-HEC inokunyibilika emanzini ukwenza isisombululo se-viscous eninzi, ngaloo ndlela siphucula ubume bengqolowa.
Isiphumo sokuqaqamba: I-Hec inokunyusa kakhulu i-viscofity yepeyinti, ipeyinti ye-testx ineepropathi ezintle zokuhlalisa.
I-Adhesion kunye neepropathi zokwenza ifilimu: Iimolekyuli zefilimu zinee-hydrophiility, ezinokuphucula ukusebenza kwendlela yokuhamba kunye nokwenza iyunifomu yokuthintela kwaye idlale iyunifomu engaphezulu kwaye igudile.
Uzinzo: UHec unazo uzinzo oluhle kunye nozinzo lwekhemikhali, unokuhlala uzinzile ngexesha lokuvelisa nokugcinwa kwengubo, kwaye akanakwenzeka ekuphenduleni ukonakaliswa.
Ukuxhaphaza kakuhle: I-HEC inexhasi eliphakamileyo le-sagreng, elinokunciphisa i-phenomenon yokupeyinta ngexesha lokwakha kunye nokuphucula umphumo wokwakha.
2. Indima ye-HydroxyEsethy kwipeyinti ye-Latex
Ipeyinti ye-Latex yipeyinti esekwe emanzini esebenzisa amanzi njengesolver kunye ne-polymer emulsion njengeyona nto iphambili yefilimu. Inobuhlobo obunobuhlobo, obungenabungozi, bungakhathali kwaye bungakhathali kwaye balungele ukupeyinta udonga olungaphandle. Ukongezwa kwe-hydroxythyl seluplose kunokuphucula kakhulu ukusebenza kwepeyinti ye-Latex, eboniswe ngqo kule miba ilandelayo:
2.1 Impembelelo yokuthambisa
Kwimidlalo yepeyinti ye-Latex, i-HEC isetyenziswa njenge-thi choner. Ngenxa yeempawu ezinyibilikayo zamanzi ze-HeC, inokukhawuleza inyibilikiswe i-sylings ezinamanzi kwaye yenze isakhiwo senethiwekhi ngokusebenzisana nokunxibelelana kwenethiwekhi, ukwandisa kakhulu i-viscofity yepeyinti ye-Latex. Oku akunakuphucula nje ukusasazeka kwepeyinti, kokwenza kube lilungele ngakumbi ukuxubha, kodwa kukuthintela ukupeyinta ukusuka ekutsaleni ngenxa yenkqubo yokupeyinta ngexesha lenkqubo yokupeyinta ngexesha lenkqubo yokupeyinta ngexesha lenkqubo yokupeyinta ngexesha lenkqubo yokupeyinta.
2.2 Ukuphucula ukusebenza kwemali
HecInokulungelelanisa ngokufanelekileyo iipropathi ze-ROEOOOOOLOTER yepeyinti ye-Feex, phucula ukuxhaswa kwe-SAG kunye nokungavisisani kwepeyinti, qinisekisa ukuba ipeyinti ithethwe ngokulinganayo kumphezulu we-subles efana ne-qabbles kunye neempawu zokuhamba. Ukongeza, i-HEC inokuphucula ipeyinti yepeyinti, ivumela ipeyinti ye-FEEX yokuphinda igubungele ngokukhawuleza umphezulu xa ukupeyinta, ukunciphisa iziphene ezibangelwa kukontathu.
2.3 ukuphucula ukugcinwa kwamanzi kwaye kwandise ixesha lokuvula
Njengomntu polymer ocekeceke ngumthamo oqingqiweyo wamanzi, i-hec inokwandisa ixesha lokuvula lwepeyinti ye-Latex. Ixesha lokuvula libhekisa kwixesha lokuba ipeyinti ihlala ikwimo epeyintiweyo. Ukongezwa kwe-hec kunokuthoba ukuvela kwamanzi, ngaloo ndlela kudlulise ixesha lokupeyinta, ukuvumela abasebenzi bokwakha ukuze babe nexesha elingakumbi lokuzithoba kwaye baqengqeleka. Oku kubalulekile kwisicelo esigudileyo sepeyinti, ngakumbi xa sipeyinta iindawo ezinkulu, ukuthintela umphezulu wepeyinti ukusoma ngokukhawuleza, okukhokelela kumanqaku amabrashi okanye onokukhetha.
2.4 Ukuphucula ukunamathela okubi kunye nokuchasana kwamanzi
Kwingubo yokupeyinta i-Detex, i-HEC inokuphucula umbilini phakathi kwepeyinti kunye nomphezulu we-subtate ukuqinisekisa ukuba ukungqubana akuweli ngokulula. Kwangelo xesha, i-HEC iphucula ukusebenza kwamanzi kwepeyinti ye-Latex, ngakumbi kwiindawo ezinomswakama, ezinokuthintela ngempumelelo ukungena komswakama kwaye kwandise ubomi benkonzo. Ukongeza, i-hydrophicicity kunye nokunamathela kwe-HEC inika ipeyinti ye-Lacx yokufowuna ukwenza iingubo ezintle kwiindima ezihlukeneyo.
2.5 Ukuphucula ukunyangwa kokungazithembi kunye nokufana
Kuba izinto eziqinileyo kwipeyinti ye-Latex kulula ukuzinza, zikhokelela kumgangatho ongalinganiyo wepeyinti, i-HEC, njengomthumeli, zinokuphucula ngokufanelekileyo iipropathi zepeyinti. Ngokwandisa i-viscosity ye-viscosity, i-HEC inceda amasuntswana aqinileyo ukuba achitheke ngakumbi kwi-coraight, ukunciphisa i-paricleclicalciclical ukulungisa, ngaloo ndlela ukugcina uzinzo kwindawo yokugcina kunye nokusetyenziswa.
3. Iinzuzo zezibonelelo ze-HydroxyEsethl seluplose kwipeyinti ye-Latex
Ukongezwa kwe-hydroxythl sellise ineenzuzo ezibalulekileyo zokuvelisa kunye nokusetyenziswa kwepeyinti ye-Latex. Okokuqala, i-HEC ineempawu ezifanelekileyo zokukhusela. Ukuzola kwawo kwamanzi kunye nokungabinabulo kuqinisekisa ukuba ipeyinti ye-FEEX ayiyi kukhupha izinto eziyingozi ngexesha lokusetyenziswa, ukuhlangabezana neemfuno zepeyinti enobuhlobo obunobuhlobo bendalo. Okwesibini, i-HEC inepropathi eyomeleleyo yefilimu, enokuphucula umgangatho wefilimu wepeyinti ye-Latex, esenza ukuba i-toigging to thearing kunye nokuqina okungcono kunye nokuchasa. Ukongeza, i-hec inokuphucula ulwelo kunye nokusebenza kwepeyinti ye-REEX, ukunciphisa ubunzima bokwakha, kunye nokuphucula ukusebenza kakuhle komsebenzi.
Ukusetyenziswa kwehydroxyyl seluploseKwipeyinti ye-Latex ineenzuzo ezininzi kwaye inokuphucula ngokufanelekileyo iipropathi zeRheiological, ukusebenza, ukusebenza kunye nokuqina kwepeyinti. Ngokuphuculwa okuqhubekayo kokukhusela isisingqongileyo kunye neemfuno zepeyinti, i-HEC, njenge-tickener ebalulekileyo kunye nentsebenzo yongezwe, iye yaba ngomnye wezongezo ezibalulekileyo kwiipeyinti ze-latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex ye-Latex yanamhlanje. Kwixa elizayo, ngokuphuhliswa kwetekhnoloji, ukusetyenziswa kwe-hec kwipeyinti ye-Latex kuya kwandiswa ngakumbi kwaye kunokwenzeka ukuba kubekho ngakumbi.
IXESHA LOKUQALA: UNv-14 ukuya ku-2004