Ifu ya Redispersible latex nisoko idasanzwe ishingiye kumazi na polymer binder ikozwe na spray yumisha hamwe na vinyl acetate-Ethylene copolymer nkibikoresho nyamukuru. Nyuma yuko igice cyamazi kimaze guhinduka, ibice bya polymer bikora firime ya polymer na agglomeration, ikora nka binder. Iyo ifu ya redispersible latex ikoreshwa hamwe namabuye y'agaciro ya organique nka sima, irashobora guhindura minisiteri. Ibikorwa byingenzi bya redispersible latex ifu nibi bikurikira.
(1) Kunoza imbaraga zubumwe, imbaraga zingutu nimbaraga zunama.
Ifu ya redispersible latex irashobora kuzamura cyane imbaraga zububiko bwa minisiteri. Umubare munini wongeyeho, niko kuzamura. Imbaraga nyinshi zo guhuza zirashobora kubuza kugabanuka kurwego runaka, kandi mugihe kimwe, imihangayiko iterwa no guhindura ibintu iroroshye gutatanya no kurekura, bityo imbaraga zo guhuza ningirakamaro cyane mugutezimbere kurwanya. Ubushakashatsi bwerekanye ko ingaruka ziterwa na selulose ether hamwe nifu ya polymer ifasha kuzamura imbaraga zububiko bwa sima.
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Modulus ya elastike ya redispersible latex ifu iri hasi, 0.001-10GPa; mugihe moderi ya elastike ya sima ya marimari iri hejuru, 10-30GPa, modulus ya elastike ya sima ya sima izagabanuka hiyongereyeho ifu ya polymer. Nyamara, ubwoko nubunini bwifu ya polymer nabyo bigira ingaruka kuri modulus ya elastique. Muri rusange, uko igipimo cya polymer na sima cyiyongera, modulus ya elastique iragabanuka kandi ubumuga bwiyongera.
(3) Kunoza kurwanya amazi, kurwanya alkali, kurwanya abrasion no kurwanya ingaruka.
Urusobekerane rwurusobe rwakozwe na polymer rufunga umwobo nuduce twa sima ya sima, bigabanya ubukana bwumubiri ukomantaye, bityo bikazamura ubudahangarwa, kurwanya amazi hamwe nubukonje bwubutaka bwa sima. Ingaruka ziyongera hamwe no kongera polymer-sima. Gutezimbere kwimyambarire bifitanye isano nubwoko bwifu ya polymer nigipimo cya polymer na sima. Muri rusange, kwambara birwanya gutera imbere uko igipimo cya polymer na sima cyiyongera.
(4) Kunoza umuvuduko no gukora bya minisiteri.
(5) Kunoza uburyo bwo gufata amazi ya minisiteri no kugabanya umwuka.
Imisemburo ya polymer yakozwe no gushonga ifu ya polymer idasubirwaho mumazi ikwirakwizwa muri minisiteri, hanyuma firime ikomeza ikorwa muri minisiteri nyuma yo gukomera. Iyi firime ngenga irashobora gukumira iyimuka ryamazi, bityo bikagabanya gutakaza amazi mumabuye kandi bikagira uruhare mukubungabunga amazi.
(6) Kugabanya ibintu byacitse
Kurambura no gukomera bya polymer yahinduwe ya sima ya sima nibyiza cyane kuruta sima isanzwe. Imikorere ya flexural irenze inshuro 2 iy'ubutaka busanzwe bwa sima; ingaruka zikomeye ziyongera hamwe no kwiyongera kwa polymer sima. Hamwe no kwiyongera kwifu ya polymer yongeweho, ingaruka zoroshye zo kwisiga za polymer zirashobora guhagarika cyangwa gutinza iterambere ryimitsi, kandi mugihe kimwe ningaruka nziza yo gukwirakwiza stress.
Igihe cyo kohereza: Jun-20-2023