Scouring process inonetsa physicochemical process, kusanganisira mabasa ekupinda, emulsifying, dispersing, washing and chelating, etc.scouring agentmukuita scouring zvinonyanya kusanganisira zvinotevera zvinhu.
1.Kunyorova uye kupinda mukati.
Kupinza kwakakosha mukuita scouring.Chekutanga, mukuita kwedonjekukura, iyo galacturonic acid ye pectin zvishoma nezvishoma inosanganiswa neCa2+uye mg2+mumvura yepasi kuita pectin munyu usinganyungudika mumvura uye unonetsa kupumha.Pectin inogoverwa pamadziro ekutanga e-cellulose pamusoro uye inovhara hygroscopicity yemukati yechipiri madziro, iyo inotora 98% ye cellulose.Iyo waxy zvinhu mudonje faibha uye tsvina ine mafuta mune yakasara saizi agent inoita kuti zviome kuti scouring agent ipinde mukati me fibrous.shindamagapu anosanganisira anobatana capillaries ehukuru hwakasiyana.Chechipiri, scouring process inoitwa mune mhinduro ye caustic soda pane imwe nzvimbo.Nekuti tension yepasi ye caustic soda solution yakakwira zvakanyanya, zvinonetsa kuti scouring agent ipinde.Kuti uite kuti scouring process ibudirire, zvinodikanwa kupuruzira mafibhi uye kugadzirisa iyo interface pfuma pakati pemhinduro uye fiber, inoda kuwedzera yakakodzera surfactant iyo inogona kuderedza kunetsa kwepamusoro kwemhinduro uye kupindirana kwepakati pakati pemhinduro uye fiber.Kuti iyo fiber igone kubata neiyo scouring agent zvizere uye zvirinani, ichimhanyisa kunyorova uye kupinda mukati.
Zvinoenderana neiyo yekutanga dzidziso yekunyorova uye kupinda mukati, nekushambadza pane iyo interface, ma surfactants anogona kuderedza zvakanyanya γLG ne γLS, zvichiita kuti kunyorova kuve nyore.Panguva imwecheteyo, inogona kuwedzera iyo yemvura column static pressure ye capillary inokwira, iyo inobatsira kuti scouring agent ipinde mukati mechikamu chemukati chefiber.Hunhu hweiyo scouring agent hunoenderana zvakanyanya nekugona kwayo kudzikisa tension yepasi uye mwero wekupinda.
2.Detergent washing.
Iyo detergent yekugeza basa mukuita scouring yakaoma kwazvo.Chekutanga, inofanirwa kunetesa simba rekunamira pakati pewaxy saponified substance neoiri zvinhu nemachira uye nekudzikisa chimiro zvishoma nezvishoma.Uye zvino inobvisa girisi kubva mumucheka nekuita kwemuchina uye inoisa mumafuta-mvura emulsion kudzivirira kuti isasvibiswa zvakare.Non-ionic surfactants kazhinji akanakisa emulsifiers.Nepo anionic surfactants ichagadzira kaviri electrode layer pane waxy / mvura interface kudzivirira mafuta particles kubva pakuungana pamwechete, izvo zvinobatsira kuumba yakagadzikana emulsion system.Chechipiri, inofanirwa kuparadzira kuparara kwealkaline kudzivirira kusvibiswa zvakare, izvo zvinozoshandisa basa rekuparadzira rema surfactants, uye zvakare basa reimwe inorganic kana organic chelating dispersing agents.
Rudzi rumwe chete kana chimiro che surfactant chakaoma kuita zvinobudirira mhedzisiro iri pamusoro panguva imwe chete, saka zvinodikanwa kusanganisa anopfuura maviri akasiyana marudzi uye akasiyana ma surfactants.Inogona kunyatsogadzirisa mhando dzadzo, zvimiro uye bumbiro kuti ripe yakakodzera Hydrophile Lipophilic Balance (HLB) kuti isangane nezvinodiwa zveemulsifying girisi tsvina, uye ine yakakwana micellar vhoriyamu uye yakaderera zvakakwana CMC uye pamusoro tension (γCMC).Ichaita kuti scouring agent system ichengete yakanakisa wetting performance uye yakanakisa emulsification, kupararira uye kuchenesa zvivakwa.
Nguva yekutumira: Nov-14-2021