Amantshontsho eepeyinti ye-Latex kufuneka abe nokuhambelana kakuhle ne-Pelymer Polymer, ngenye indlela kuya kubakho ifilimu ethandekayo, kunye ne-Universalication ye-Agresication iya kwenzeka kwi-viscofity kunye ne-counter parder ubungakanani. Abakhulu baya kutshintsha isimangalo se-emulsion. Umzekelo, ii-curickiginers zecusic ziya kuba nefuthe elingenakuphikiswa kwi-Aneion Anulsisiers kwaye zibangele ukusebenza. Ipeyinti efanelekileyo yepeyinti kufuneka ifumane ezi ndawo zilandelayo:
1. I-dosage ephantsi kunye ne-viscofity elungileyo
2. Uzinzo oluhle lokugcina, aluyi kunciphisa i-viscofity ngenxa yentshukumo ye-enzymes, kwaye ayiyi kunciphisa i-viscofity ngenxa yotshintsho kwixabiso lobushushu kunye nexabiso le-pH
3. Ukugcinwa kwamanzi amanzi, akukho gubble ye-up
I-4. Akukho ziphumo zisecaleni kweepropathi zefilimu ezifana nokungachanekanga kwesikroba, i-glos, amandla okufihla kunye nokuxhathisa kwamanzi
5. Akukho siqhobiso se-pigments
Itekhnoloji yokutyibilika yepeyinti ye-Latex yinqanaba elibalulekileyo lokuphucula umgangatho we-Latex kwaye unciphise iindleko. I-HydroxyEtheetheetheetheetheetheetheetheetheetheetheetheetheethl seluplose yi-gickener efanelekileyo, eneziphumo zokwahlula-hlula ngokuzinza, ukuzinza kunye nokulungelelaniswa kwe-rohezulu kwipeyinti yepeyinti ye-upect.
Kwinkqubo yemveliso yepeyinti ye-Latex, i-HydroxyEtheetheetheethy (Hec) isetyenziswa njengomntu osasazekileyo, i-tickener kunye ne-pigging, yenza ifilimu yepeyinti, yenza ipeyinti yepeyinti kwaye yenza ipeyinti ipeyinti ngakumbi . I-RUOOOLOCLO LOLUNTU, linokumela amandla amakhulu, kwaye inokubonelela ngenqanaba elifanelekileyo, ukuxhathisa okukrakra kunye nokufa kwe-pigment. Kwangelo xesha, i-hec inolwazi oluhle kakhulu, kwaye ipeyinti ye-Latex ikhula nge-hec ye-pseudoplastity, irhangqa, iqengqele, i-sping, i-SAG, kwaye incinci kwaye inciphile. UHec unophuhliso lwemibala ebalaseleyo. Ilunge ngakumbi kunene uninzi lwabafundisi kunye nee-bibors, ezenza ukuba ipeyinti ye-testx inombala obalaseleyo kunye nozinzo. Ukusetyenziswa uqhelana ngokufaka isicelo kwifomu, yi-ion-therti ye-ionic. Ke ngoko, inokusetyenziswa kububanzi be-pH (2 ~ 12), kwaye inokudityaniswa nezinto ezikwipeyinti ye-testx enjengemigangatho esebenzayo, ezongeziweyo, ii-shuts, ii-stalts, i-scocts, i-stalts.
Akukho siphumo sibi kwifilimu ehlekisayo, kuba isisombululo sehekso esibonakalayo sineempawu ezibonakalayo zangamanzi, akukho lula ukugwetywa ngexesha lokuvelisa kunye nolwakhiwo, kunye nohlobo lwemingxunya yentaba-mbongo.
Uzinzo oluhle lokugcina. Ngexesha lokugcina ixesha elide, ukusasazeka kunye nokunqunyanyiswa kwe-pigment kungagcinwa, kwaye akukho ngxaki yombala odadayo kunye nokuqhuma. Kukho ungqimba lwamanzi amancinci kumphezulu wepeyinti, kwaye xa ubushushu bokugcina utshintsha kakhulu. I-viscosity yayo isekhona.
I-Hec inokunyusa ixabiso le-PVC (uxinzelelo lwevolumu) ubume obuqinileyo ukuya kuthi ga kwi-50-60%. Ukongeza, i-tickener yomhlaba othandekayo yepeyinti esekwe emanzini inokusebenzisa i-HEC.
Okwangoku, iziqwengana ezisetyenziswa kwiipeyinti ze-hec ze-hec eziphakathi kunye ne-PATE-Inqanaba eliphezulu le-hec kunye ne-acrylic polymer (kubandakanya i-polyocrylate, i-holmolymer okanye i-eullymer okanye i-eullymer okanye i-eullymer okanye i-celsoly emulsion ye-acrylic acid) i-acid.
I-HydroxyEtheetheetheethy inokusetyenziselwa
I-1. Njengomntu osasazeke okanye oyikhuselayo
Ngokubanzi, i-hec ene-viscosity ye-10-30MMMMPAS isetyenzisiwe. I-hec enokusetyenziselwa ukuya kuthi ga kwi-300Mpatro iya kuba nefuthe elingcono ukuba lisetyenziswa ngokudibeneyo ne-aneion okanye i-cioric surfacints. I-dosage yesalathiso i-0.05% ye-monomer ubunzima.
I-2. Njenge-thickener
Sebenzisa i-15000MPA. I-proresmere yereyitha ye-hec ephezulu ye-hec ngaphezulu s yi-0.5-1% ubunzima bepeyinti ye-Latex, kunye nexabiso le-PVC linokufikelela malunga ne-60%. Sebenzisa i-hec ye-20PA, s kwipeyinti ye-Latex, kunye nokusebenza kwepeyinti ye-Latex yeyona nto ibalaseleyo. Ixabiso lokusebenzisa nje i-hec apha ngasentla 30O00pa.S iphantsi. Nangona kunjalo, iipropathi zenqanaba lepeyinti ye-Latex ayilunganga. Ukusuka kwimbono yemfuno esemgangathweni kunye nokunciphisa iindleko, kungcono ukusebenzisa i-hec ye-hec ephakathi nephezulu.
3. Indlela yokuxuba kwipeyinti ye-Latex
I-hec ephathwe i-HEC inokongezwa kwi-powder eyomileyo okanye ifom ye-paste. Ipowder eyomileyo yongezwa ngokuthe ngqo kwi-pigment yokugaya. I-PH kwindawo yokutya kufuneka ibe yi-7 okanye isezantsi. Izinto ze-alkaline ezifana nokusasazeka kweYabian zinokongezwa emva kokuba i-HEC imanzi kwaye ichithwe ngokupheleleyo. I-slorries eyenziwe nge-hec kufuneka idityaniswe kwi-slirry ngaphambi kokuba i-HAC ibe nexesha elaneleyo lokwenza i-hydrate kwaye ivumele ukuba ikhule kwimeko engaqhelekanga. Kuyenzeka ukuba ilungiselele i-hec ye-hec enee-ethylene glylcocing agents.
I-4. Ukulwa-ukubumba kwepeyinti ye-testx
I-HOC-i-HOC enyibilikayo ye-HOC iya kudibana ne-biodegrade xa inxibelelana neziphumo ezineempembelelo ezizodwa kwi-selulose kunye neziganeko zayo. Akwanelanga ukongeza i-pronsvatives kwipeyinti yedwa, onke amacandelo kufuneka e-Enzyme-asimahla. Isithuthi semveliso ye-Latex kufuneka igcinwe icocekile, kwaye zonke izixhobo kufuneka zichithwe rhoqo nge-0.5% ye-Steam Fortin okanye i-O.1% ye-Mercury
Ixesha leposi: Dac-26 ukuya ku-522