REPSPERBILLELELE LATEX POWDER (RDP) chinhu chakakosha chekuvaka uye chinoshandiswa zvakanyanya mumashandisirwo ekuvaka, madziro emadziro, pasi zvinhu uye mamwe minda. Kuwedzeredza kwayo kunowedzera, kudenha uye kuchinjika zvinozvipa zvakakwanira zvakanakira panguva yekuvaka.
1. Kugadzirira kwe emulsion
Nhanho yekutanga mukugadzira restispers latex poda ndiko kugadzirira kwe emulsion. Izvi zvinowanzoitwa ne emulsion polymerization. Emulsion Polymerization inzvimbo yemvura inoumbwa neyakafanana nekuparadzira monomers, emulsifiers, mitambo uye zvimwe zvigadzirwa zvemvura. Munguva yePolymerization maitiro, monomers polymerize pasi pechiitiko chekutanga kuumba machira emapolymer, nekudaro achigadzira emulsion yakagadzikana.
Vanowanzo shandiswa monomers yekurumbidza polymersization polymersizer inosanganisira ethylene, ealthates, styrene, styrene, stoc Semuenzaniso, ethylene-vinyl acetate Copolymer (Eva) emulsion inoshandiswa zvakanyanya mukugadzirira kweiyo restispers latex poda nekuda kwekurwisa kwayo kwemvura uye kudedera.
2. Spira kuoma
Mushure mekunge emulsion yakagadzirirwa, inoda kushandurwa kuita muhombodo yakagadziriswa latex poda. Iyi nhanho inowanzo kuwanikwa kuburikidza nekupfira kuomesa tekinoroji. Spray kuoma ndiyo nzira yekuomesa iyo inokurumidza kushandura mvura yezvisikwa muupfu.
Munguva yekupedza yekuomesa, emulsion yakagadzirirwa mumakonzo akanaka kuburikidza nehuku uye yakafonerwa nemhepo yakanyanya kupisa. Mvura iri mumadonhwe anokurumidza kubuda, uye iyo yakasara yakasimba zvinhu zvakananga kuita zvidiki zvidiki zvidimbu zvidimbu. Kiyi yekupedza kuoma ndeyekudzora tembiricha yekuomesa uye nguva yekuve nechokwadi cheyunifomu yehukuru hwenzvimbo yeiyo latex uye nekudzivisa kupenga kunokonzerwa nekushambadzira kwakanyanya.
3. Kurapa kwepamusoro
Kuti uvandudze kuita uye kugadzikana kweanorerutsa latex poda, iyo nzvimbo yayo inowanzo kurapwa. Chinangwa chikuru chekurapa kwepasi ndechekuwedzera iyo fluidity yehupfu, dzivandira kugadzikana kwayo kwekuchengetedza uye kusimudzira kuyanana kwayo mumvura.
Nzira dzakajairika dzekurapa dzinosanganisira kuwedzerwa kwevanobata-caking vamiririri, kuunganidza vamiririri uye surfacts. Anti-caking vamiririri anogona kudzivirira iyo hupfu kubva pakukanda panguva yekuchengetera uye chengetedza iyo yakanaka yakanaka; Kuunganidza vamiririri vanowanzo shandisa mamwe mapuranga emvura ekunyura kuti afukidze hupfu hwekudzivirira kunyorova; Kuwedzerwa kwevashanu vanokwanisa kuvandudza kuyananisa kweiyo latex poda kuitira kuti zvive nekukurumidza uye zvakanyanyisa kuparadzirwa mushure mekuwedzera mvura.
4. Kutakura uye kuchengetedza
Nhanho yekupedzisira mukugadzira maitiro ekudzoreredza latex poda iri kurongedza uye kuchengetedza. Kuti uve nechokwadi chekuti hunhu uye kuita kwechigadzirwa, kutariswa kunofanirwa kubhadharwa kuti udzivise kunyorova, kusvibiswa neguruva kubva pakubhururuka panguva yekuputika. Kazhinji rondedzero yeLatex yakanyorwa mune akawanda-denderedzwa mapepa emapepa kana mapurasitiki emabhegi ane runyoro unyoro, uye zviwi zvinoiswa mukati mebhegi kuti udzivise kunyorova.
Paunenge uchichengetedza, dzinotenderwa latex hupfu hunofanirwa kuiswa mune yakaoma, yakapinda munzvimbo yakaoma, kure neyakajeka nzvimbo uye kudzivirira nzvimbo yekukanda kana kuita kwekuita.
Maitiro ekugadzira kweanodzorerwa latex poda anosanganisira matanho mazhinji akadai se emulsion gadziriro, svina kuoma, kurapwa kwemusoro, kurongedza uye kuchengetwa. Nekunyatso kudzora maratidziro ezvekubatanidza kwega kwega, dzinotenderwa latex powder nekuita kwakanakira kuita uye hunhu hwakagadzikana hunogona kugadzirwa kuti usangane nezvinodiwa zvevanogadzira zvigadzirwa. Nekuenderera mberi kwekufambira mberi kwehunyanzvi, maitiro ekugadzirira kweanodzoreredza Latex poda ichave yakawanda ine hushamwari uye inoshanda mune ramangwana, uye kuita kwechigadzirwa kuchave kwakawedzera kudzvanywa.
Kutumira Nguva: Aug-27-2020