kuqala. Okokuqala qonda ukuthi kuyinii-polymer powder ephinde ihlakazeke.
Ama-powder e-polymer ahlakazekayo angama-polymer ayimpuphu akhiwe ngama-emulsion e-polymer ngenqubo efanele yokomisa ngokufutha (kanye nokukhethwa kwezithasiselo ezifanele). Impuphu ye-polymer eyomile iphenduka i-emulsion lapho ihlangana namanzi, futhi ingaphinde ikhishwe amanzi ngesikhathi senqubo yokubopha nokuqinisa i-mortar, ukuze izinhlayiya ze-polymer zakhe isakhiwo somzimba we-polymer ku-mortar, okufana nenqubo yesenzo se-polymer emulsion, engathuthukisa i-mortar yesimende. umphumela wezocansi. I-Emulsion dry powder modified mortar ibizwa ngokuthi i-dry powder mortar (eyaziwa nangokuthi i-dry mixed mortar, i-dry mixed mortar). Njengoba i-dry powder ingadingi ukucabangela ukwakheka kwe-emulsion kanye nokuqina njenge-polymer emulsions, inani elincane lokuxuba lingenza i-mortar ifinyelele izakhiwo ezifiselekayo, futhi inezinzuzo zokupakisha okulula, ukugcina, ukuthuthwa kanye nokunikezwa kune-emulsions, i-antifreeze kanye nokukhula okungenasikhunta, Inkinga yamagciwane aphilayo, kanye nenzuzo yokuthi ingenziwa ibe umkhiqizo wengxenye eyodwa ngokupakisha okulungele ukuxuba njengesamente nesihlabathi, futhi ingasetshenziswa ngemuva kokufaka amanzi.
Uma ufaka, hlanganisa futhi upakishe isihlabathi, usimende, i-emulsion dry powder kanye nezinye izithako ezisizayo kusengaphambili, futhi udinga kuphela ukwengeza inani elithile lamanzi ngesikhathi sokwakha endaweni ukuze wenze udaka lwe-dry powder olusebenza kangcono. Ingqikithi yokukhiqizwa kwe-emulsion powder eyomile ukuthi izinhlayiya ze-polymer ngemva kokuhlakazeka kabusha kwe-latex powder zibonise usayizi wezinhlayiya noma ukuhlakazeka kosayizi wezinhlayiya okufana nokwezinhlayiya ze-polymer ze-emulsion zokuqala. Inani elithile le-colloid evikelayo njenge-polyvinyl alcohol kufanele lifakwe ku-emulsion, ukuze i-latex powder ikwazi ukuhlakazeka kabusha ibe yi-emulsion lapho ihlangana namanzi. Kuphela ngokuhlakazeka okuhle lapho i-latex powder ingafinyelela khona umphumela omuhle kakhulu. . I-polymer powder ehlakazekayo ivame ukuba yi-white powder. Izithako zayo zifaka:
I-resin ye-polymer: Itholakala engxenyeni eyinhloko yezinhlayiya zempuphu yerabha, futhi futhi iyisakhi esiyinhloko sempuphu ye-polymer ephinde ihlakazeke.
Okungeziwe (kwangaphakathi): kanye ne-resin, kudlala indima yokuguqula i-resin. Okungeziwe (kwangaphandle): Izinto ezengeziwe zengezwa ukuze kwandiswe ukusebenza kwempuphu ye-polymer ehlakazekayo.
I-colloid evikelayo: ungqimba lwezinto ezinamathelayo ezigoqwe phezu kwezinhlayiya ze-latex powder eziphinde zihlakazeke, i-colloid evikelayo yempuphu ye-latex eningi ephinde ihlakazeke yi-polyvinyl alcohol.
I-anti-caking agent: i-mineral filler encane, esetshenziswa kakhulu ukuvimbela i-rubber powder ukuthi ingabhidli ngesikhathi sokugcina nokuthuthwa kanye nokwenza kube lula ukugeleza kwe-rubber powder (elahlwa ezikhwameni zephepha noma ezitsheni zokuthutha amanzi.)
Ungayibona kanjani ikhwalithi yempuphu ye-latex ephinde ihlakazeke?
Indlela 1, indlela yomlotha
Thatha inani elithile lempuphu ye-latex ephinde ihlakazeke, uyibeke esitsheni sensimbi ngemva kokukala, uyishise kufikela kuma-degrees angaba ngu-500, ngemva kokuyishisa ekushiseni okuphezulu kwama-degrees angu-500, uyipholise ifike ekushiseni kwegumbi, bese uyiphinda uyilinganise. Isisindo esincane nekhwalithi enhle.
Indlela yesibili, indlela yokuhlakazeka
Thatha inani elithile lempuphu ye-latex ephinde ihlakazeke bese uyincibilikisa emanzini aphindwe kahlanu, uvuselele kahle bese uyivumela ime imizuzu emi-5 ngaphambi kokuyibuka. Empeleni, uma izinto ezincane ezifakwayo zingena engqimbeni engezansi, kulapho ikhwalithi yempuphu ye-polymer ephinde ihlakazeke khona iba ngcono. Le ndlela ilula futhi kulula ukuyenza.
Indlela yesithathu, indlela yokwenza ifilimu
Thatha ikhwalithi ethile yempuphu ye-latex ephinde ihlakazeke, uyincibilikise emanzini izikhathi ezimbili, uyixube ngokulinganayo, uyivumele ime imizuzu emi-2, uyixube futhi, uthele isisombululo engilazini ehlanzekile eyisicaba, bese ubeka ingilazi endaweni enomthunzi. Susa uma yomile ngokuphelele. Bheka ifilimu ye-polymer esusiwe. Ukukhanya okuphezulu kanye nekhwalithi enhle. Bese udonsa ngokulinganisela, ngokunwebeka okuhle kanye nekhwalithi enhle. Ifilimu yabe isinqunywa yaba yimichilo, yacwiliswa emanzini, futhi yabonakala ngemva kosuku olulodwa, ikhwalithi yefilimu yayincibilike kancane emanzini. Le ndlela inengqondo kakhulu
Isikhathi sokuthunyelwe: Okthoba-27-2022