Kaddarorin jiki na redispersible latex foda
Redispersible polymer foda (RDP) wani babban inganci polymer foda ne da aka yi amfani da shi a cikin gine-gine, sutura da sauran masana'antu. Ana yin ta ta hanyar watsar da emulsion na polymer a cikin ruwa, sannan a bushe don samar da foda. A foda za a iya sauƙi sake tarwatsa cikin ruwa don samar da wani barga emulsion, yin shi a m polymer.
Halayen jiki na RDP suna taka muhimmiyar rawa a cikin aikinta da dacewa don aikace-aikace daban-daban. A cikin wannan labarin, za mu tattauna abubuwa daban-daban na jiki na RDP da kuma dalilin da yasa suke da mahimmanci.
Girman Barbashi da Rarrabawa
Girman barbashi da rarraba RDP sun ƙayyade yawan ruwa da sauƙin sarrafawa. Karamin girman barbashi, mafi kyawun ruwa. RDP foda yawanci suna cikin kewayon 5-200 micron kuma suna da kunkuntar girman rabo. The uniform barbashi size rarraba tabbatar da cewa foda disperses sauƙi a cikin ruwa da kuma samar da barga emulsion.
Yawan yawa
Girman girma shine nauyin RDP kowace juzu'in raka'a. Babban yawa na RDP foda yana rinjayar ajiyarsa da sufuri. Ƙananan ƙananan yawa yana nufin ƙarin ƙara don nauyi ɗaya kuma yana buƙatar ƙarin sararin ajiya. A daya hannun, mafi girma girma yawa na nufin ƙasa da girma don wannan nauyi kuma yana buƙatar ƙarancin sararin ajiya.
Babban yawa na RDP ya bambanta ta nau'in, daraja da tsari. Matsayinsa shine 200-700 kg/m3. Gabaɗaya, ana buƙatar ƙananan yawa don sauƙin sarrafawa da sufuri.
abun ciki na ruwa
Abun ciki na ruwa yana da mahimmancin halayen RDP yayin da yake rinjayar kwanciyar hankali na ajiya, rarrabawa da kayan aikin fim. Abubuwan da ke cikin ruwa na iya bambanta dangane da tsarin masana'antu, yanayin ajiya da tsari. Yawanci, abin da ke cikin ruwa a cikin RDP ya fito daga 1-3%, yana kiyaye abun ciki na ruwa don inganta kwanciyar hankali na foda.
Kaddarorin yin fim
Ana yawan amfani da RDP azaman manne ko mannewa a aikace-aikacen gini da sutura. Abubuwan da ke samar da fina-finai, kamar mannewa, haɗin kai, da sassauci, suna da mahimmanci wajen tantance dacewarsa don aikace-aikace daban-daban.
Abubuwan ƙirƙirar fim na RDP sun dogara da nau'in polymer da aka yi amfani da su, nau'in emulsifier da maida hankali na polymer. RDPs an ƙera su don samar da ƙayyadaddun halayen yin fim don saduwa da bukatun aikace-aikace daban-daban.
redispersibility
Redispersibility yana nufin ikon RDP don samar da ingantaccen emulsion lokacin da aka ƙara shi cikin ruwa bayan bushewa. Wannan fasalin yana da mahimmanci a cikin aikace-aikace da yawa saboda yana ba da izini don sauƙin sarrafawa da haɗuwa.
Redispersibility na RDP ya dogara da nau'in da ingancin emulsifier da aka yi amfani da shi a cikin tsarin masana'antu da yanayin ajiya na foda. Foda na RDP na iya samun kaddarorin sakewa daban-daban daga kusan nan take zuwa mintuna.
danko
Dankowa ma'auni ne na juriyar abu. Dankowar emulsion na RDP yana rinjayar kaddarorin aikace-aikacen sa kamar yadawa, daidaitawa da wetting. Maɗaukakin danko yana ba da mafi kyawun samuwar fim da kwanciyar hankali, amma na iya sa aikace-aikacen ya zama ƙalubale.
Danko na RDP emulsions ya dogara ne akan ƙaddamar da polymer, nau'in emulsifier da tsari. Yana iya kewayawa daga ƙasa zuwa babba, dangane da buƙatun aikace-aikacen.
a karshe
A ƙarshe, halayen jiki na RDP suna taka muhimmiyar rawa a cikin aikace-aikacen sa da aikin sa. Girman barbashi, yawan yawa, abun ciki na ruwa, samuwar fim, sake rarrabawa da danko sune ainihin kaddarorin jiki na RDP. Ta hanyar fahimtar waɗannan halaye, masana'antun na iya keɓance RDP don takamaiman aikace-aikace don saduwa da buƙatun abokin ciniki daban-daban. Ana ɗaukar RDP ɗaya daga cikin ƙwararrun ƙwararrun ƙwararrun ƙwararrun polymer, wanda ya sa ya dace da masana'antu da yawa ciki har da gini, sutura da adhesives.
Lokacin aikawa: Jul-03-2023