Kwanan nan, akwai tambayoyi akai-akai daga abokan ciniki game da putty foda, irin su halin da ake ciki don tarwatsawa ko rashin iya samun ƙarfi. An san cewa ƙaracellulose etherwajibi ne don yin putty foda, kuma masu amfani da yawa ba sa ƙara rarrabuwar latex foda. Mutane da yawa ba sa ƙara m foda don ajiye farashin, amma wannan kuma shine mabuɗin don dalilin da yasa talakawa putty ke da haɗari ga ɓarke da al'amurran ingancin samfur!
Ana yin sa na yau da kullun (irin su 821 putty) da farin foda, ɗan ƙaramin sitaci, da CMC (hydroxymethyl cellulose), akwai kuma waɗanda aka yi da methyl cellulose da foda mai tashi biyu. Irin wannan nau'in putty ba shi da mannewa kuma baya jure ruwa.
Bayan narkar da cellulose da ruwa, zai iya sha ruwa ya fadada. Yawan sha ruwa na samfurori daga masana'antun daban-daban ya bambanta, kuma cellulose yana taka rawa wajen riƙe ruwa a cikin putty. Bayan bushewa, putty kawai yana da wani ƙarfi na ɗan lokaci, amma bayan lokaci, sannu a hankali zai rasa foda, wanda ke da alaƙa da tsarin kwayoyin halitta na cellulose kanta. Irin wannan nau'in sakawa yana da sako-sako, yana da babban shayar ruwa, yana da sauƙi ga foda, rashin ƙarfi, da elasticity. Idan an yi amfani da suturar topcoat akan shi, ƙananan PVC yana yiwuwa ga blister; Babban PVC yana da haɗari ga bushewa, raguwa, da fashe; Saboda yawan shayarwar ruwa, yana rinjayar tsarin fim da tasirin ginin saman.
Don inganta al'amurran da ke sama tare da putty, za ku iya daidaita tsarin da ake sakawa kuma ku ƙara wasu foda na latex da za a iya sakewa don inganta ƙarfin baya na putty. Zaɓi wani babban ingancin hydroxypropyl methyl celluloseHPMCtare da tabbacin inganci.Hydroxypropyl methyl celluloseyana da adadin ajiyar ruwa na cellulose mai inganci, wanda zai iya cika kayan da ake sakawa a cikin ruwa kuma ya inganta ingancin sa.
Menene zai zama tasiri a kan putty foda idan adadin redispersible latex foda kara a lokacin da putty samar tsari bai isa ba, ko kuma idan m putty takamaiman latex foda aka yi amfani?
Rashin isasshen adadinredispersible latex fodaƙarawa zuwa putty shine mafi girman bayyanar da sako-sako da sabulun sabulu, foda na sama, yawan amfani da fenti lokacin da ake amfani da suturar sutura, rashin daidaituwa, m surface bayan samuwar fim, da wahala wajen samar da fim ɗin fenti mai yawa. Irin waɗannan ganuwar suna da wuyar bawo, blister, bawo, da tsagewar fim ɗin fenti. Idan an zaɓi foda mara kyau, ƙimar cutar da jikin mutane ta haifar da iskar gas mai cutarwa irin su formaldehyde da ke haifarwa a bango a bayyane yake.
Don canza halin da ake ciki yanzu, ya zama dole a cire duk abin da ba shi da kyau ba tare da barin wani rago ba, sa'an nan kuma saya ƙwararrun putty da latex fenti! Don guje wa asarar da ba dole ba, abokan ciniki yakamata suyi ƙoƙarin zaɓar samfuran daga manyan samfuran tare da tabbacin inganci don dacewa da zaɓin putty.
Longou Company ya ƙware a samarwa da tallace-tallace na itace zaruruwa, sitaci ether, hydroxypropyl methyl cellulose, redispersible latex foda.
Lokacin aikawa: Satumba-06-2023