Cellulose iblysaccharide iyo inoumba akasiyana-siyana evaiters. Cellulose thickeners ivhu nonionic mvura-soluble polymers. Nhoroondo yayo yekushandiswa inhamba yakareba, anopfuura makore makumi matatu, uye kune mizhinji mizhinji. Ivo vachiri kushandiswa mune anenge ese eLatex pendi uye ndiyo huru yetihwe. Ma cellulossic anoshanda kwazvo mune zvemvura masisitimu nekuti ivo vakakomberedza mvura ivo pachavo. Muindasitiri yependi, inonyanya kushandiswa cellulose mheremalose is:methyl cellulose (mc), HydroxytHyl Cellulose (Hec), ethyl hydroxytl cellulose (ehec), hydroxypruppropyl cellulose (HPC),hydroxypruppyl methyl cellulose (HPMC)uye hydrophobically yakagadziridzwa hydroxyll cellulose (hmhec). Hec ipolu-soluble polysaccharari yakashandiswa zvakanyanya mukuremerwa kwemat mat uye semi-gloss architectural lagox pendi. Manhamba anowanikwa mune akasiyana viscosity mamakisi uye thickeners neiyi cellulose vane yakanaka complication complication uye yekuchengetedza kugadzikana.
Iyo nhanho, anti-splash, firimu-fomu yekugadzira uye anti-sagging zvivakwa zvefirimu inovhara inotsamira paumhondi rinoremaHec. Hec nevamwe vasingabatanidzwe-isina-mvura-soluble polymers vakaroorana nechikamu chemvura chekucheka. Cellulose thickeners inogona kushandiswa wega kana musanganiswa nedzimwe manhamba kuti uwane nyanzvi inokosha. Cellulose etana inogona kuve nehuwandu hwakawanda hwemamwe mareki uye akasiyana zvimisikidzwa zvemukati Low Molecular uremu mamakisi anowanzo shandiswa seanodzivirira collids muLatex Paint Poldization Polymerion, uye anowanzoitwa mamakisi 4 800-50 000 Mp ·) anoshandiswa senhau. Iyo Mechanism yerudzi urwu rwekadzi ndeyekukonzerwa neiyo hydration yakakwira yeHydrogen zvisungo uye iyo intanglement pakati pemaketani emanyorose.
Cellusture Cellulose ndeye yakakwira molecular uremu polymer iyo inonyanya kuita kuburikidza neyekupinda pakati pemaketani emanyorerwo. Nekuda kweiyo yepamusoro viscosity kuderera Shear rate, iyo mwero midziyo murombo, uye inokanganisa gloss yefirimu rinobatanidza. Kumusoro-shear rate, visikoka yakaderera, iyo Splash kuramba kweiyo firimu yekuvandudza murombo, uye kuzara kwefirimu rekuvhara hakuna kunaka. Hunhu hwekushandisa hwehimwe hec, hwakadai se brashi kuramba, kufefetera uye roller spatter, zvine hukama zvakananga nesarudzo yeanosarudza. Zvakare zviyero zvacho zvinoyerera zvakadai sekukwira uye SAG kupokana kunonyanya kukanganiswa nehana.
Hydrophobically Modified Cellulose (HMHEC) is cellulose thickener iyo ine hydrophobic yekugadziridzwa pane mamwe maketani ekutanga (akati wandei-keteni alkyl mapoka anounzwa pamwe chete neketani yechigadzirwa). Uku kuunganidza kune yakakwira viscosity pakukwirira kwehembe uye saka zviri nani firimu fomu. Akaita seTrosol pamwe negiredhi 330, 331, Cellosze SG-100, Bermocoll Ehm-100. Maitiro ayo akakora akafanana neyem Cellulose ether wetilikeyer ane yakakura hama mhezi. Inovandudza iyo visikopa uye kudengenyeka kweICI, uye kunoderedza nzvimbo yekunetsana. Semuenzaniso, iyo nzvimbo yekunhuhwirira kwehipi inenge 67 mn / m, uye nzvimbo yekunhuhwirira kweHMhec is 55 ~ 65 mn / m.
HMHEC ine yakanakisa kusimbisa, kupenga-kusimuka, zviyero zvemhando, zvakanaka gloss uye anti-pigment caking. Iyo inoshandiswa zvakanyanya uye haina kunaka pane iyo firimu kuumbwa kweiyo yakanaka temberi sizex pendi. Yakanaka firimu-yekugadzira maitiro uye anti-corrosion performance. Uku kushamwaridzana kwakasiyana-siyana kunoshamisa kunoshanda zviri nani neVinyl acetate masisitimu ecolymy uye ane zvivakwa zvakafanana nezvevamwe vaviri vanoshamwaridzana, asi vaine mafomu akareruka.
Kutumira Nguva: Kubvumbi-25-2024