Game da matsalar cewa foda mai sauƙi yana da sauƙi don foda, ko ƙarfin bai isa ba.Kamar yadda muka sani, cellulose ether yana buƙatar ƙarawa don yin foda, ana amfani da HPMC don bangon bango, kuma masu amfani da yawa ba sa ƙara foda na latex foda.Mutane da yawa ba sa ƙara polymer foda domin ya ceci halin kaka, amma wannan shi ne kuma key to dalilin da ya sa talakawa putty sauki foda da kuma yiwuwa ga samfurin ingancin matsaloli!
Kayan abinci na yau da kullun (irin su 821 putty) galibi ana yin su ne da farin foda, ɗan sitaci manne da CMC (hydroxymethyl cellulose), wasu kuma an yi su da methyl cellulose da Shuangfei foda.Wannan putty ba shi da mannewa kuma baya jure ruwa.
Cellulose zai iya sha ruwa kuma ya kumbura bayan an narkar da shi cikin ruwa.Kayayyakin masana'antun daban-daban suna da ƙimar sha ruwa daban-daban.Cellulose yana taka rawa wajen riƙe ruwa a cikin putty.Busasshen putty kawai yana da takamaiman ƙarfi na ɗan lokaci, kuma sannu a hankali za ta bushe foda bayan dogon lokaci.Wannan yana da alaƙa kusa da tsarin kwayoyin halitta na cellulose kanta.Irin wannan putty yana da sako-sako, yana da babban shayar da ruwa, yana da sauƙin jurewa, ba shi da ƙarfi, kuma ba shi da elasticity.Idan an yi amfani da topcoat a saman, ƙananan PVC yana da sauƙi don fashe da kumfa;babban PVC yana da sauƙin raguwa da fashe;saboda yawan shayar da ruwa, zai shafi samar da fim da tasirin ginin topcoat.
Idan kana so ka inganta matsalolin da ke sama na putty, za ka iya daidaita ma'anar putty, ƙara wasu nau'in latex foda da za a iya tarwatsawa yadda ya kamata don inganta ƙarfin baya na putty, kuma zaɓi babban ingancin hydroxypropyl methylcellulose HPMC tare da tabbacin inganci.
A cikin aiwatar da samar da putty, idan adadin foda mai yuwuwa da aka ƙara bai isa ba, ko kuma idan an yi amfani da ƙarancin latex foda don putty, menene tasiri zai yi akan foda?
Rashin isasshen adadin putty redispersible latex foda, mafi kai tsaye bayyanuwar shi ne cewa putty Layer ne sako-sako da, da surface ne pulverized, adadin Paint amfani da topcoating ne babba, da leveling dukiya ne matalauta, da surface ne m bayan film samuwar, da kuma yana da wahala a samar da fim ɗin fenti mai yawa.Irin waɗannan ganuwar suna da wuyar bawo, blister, bawo, da tsagewar fim ɗin fenti.Idan ka zaɓi foda mara kyau, a bayyane yake cewa iskar gas mai cutarwa irin su formaldehyde da aka samar akan bango zai haifar da cutar ta jiki ga wasu.
Lokacin aikawa: Juni-15-2023