01 Preface
Thickener erudzi rwekunyora kwetsika, izvo zvisingaregi kudzora kuunganidza uye kudzivirira kusekerera panguva yekuvaka, asi zvakare zvinoperekedza kuunganidza zvinhu zvakanakisa uye nekuchengetera zvinhu. Thihckener ane maitiro ezvikamu zvidiki, zvinoshandiswa kureruka uye zvakaringana kushandiswa, uye zvinopesana, kudhinda, kupora, kupora kwemafuta, kupora kwemafuta, kuita kwezano, kune mamwe maindasitiri uye mamwe maindasitiri.
Mbiri dzakakamurwa kuita oiri uye masisitimu emvura maererano nemasisitimu ekushandisa akasiyana, uye mazhinji ehupamhi mitezo yehydrophilic polymer.
Parizvino, kune marudzi mazhinji evatongi anowanikwa mumusika. Zvinoenderana nekuumbwa uye chimiro chechiitiko, ivo vanonyanya kukamurwa kuita marudzi mana: mitezo, cellenose, polkacrylate uye kushamwaridzana polyurethane.
02 Kugadziriswa
cellulosic thickener
Cellulossic thickens vane nhoroondo refu yekushandiswa uye kune marudzi mazhinji, kusanganisira methyl cellelose, hydroxyprosl methyl cellyl methelose, etc., iyo yaimbove iri huru yeiyo thickeners. Iyo inonyanya kushandiswa kweizvi ndeye hydroxyethyl cellulose.
Kukora Mechanism:
Iyo yekukasira mechanism yemheremesi ndeyekuti iyo hydrophobic main carm uye iyo mamaira emvura inobatanidzwa kuburikidza neHydrogen yePolymer pachayo uye inoderedza nzvimbo yekufamba kwemahara, nekudaro inowedzera zviso zvehurongwa. Viscosity inogona zvakare kuwedzerwa kuburikidza nekuvezwa kwemaketani anyorowa, kuratidza yakakwirira viscosity pa static uye yakaderera shear, uye yakaderera viscosity kumusoro kwehembe yakakwirira. Izvi zvinodaro nekuti panguva yekutsvaira kana kudzikira masheya, mheremalose maketani ari mukureba, achigadzira hurongwa hukuru hwe viscous; Ndichiri pamitengo yakakwirira shear, mamorekuru akarongwa nenzira yakarongeka yakafanana nekuyerera kuyerera, uye zviri nyore kutsvedza imwe neimwe, saka iyo yeMisikoka visikoka madonhwe.
Polwandacrylic thickener
Polwacrylic acid Stid, anozivikanwa seAlkali Scesser Thickener (ASE)
Chimiro chemukuru chealkali-Schellllable nherera ndeye:
Kuita kwakakora: Iyo inoshamisa mechancal yePolwacrylic acid Steckener ndeyekunyomba kwemvura, uye nemunyori Uye zvakare, inoumba zvakare chimiro network nekuvhara pakati peLatex zvimedu uye pigment, kuwedzera iyo visikopa yehurongwa.
Songwidza Polyurethane Thickener
Polyurethane Thickener, anotaurwa nezvaGuo, iHydrophobic Boka-rakagadziridzwa ethoxylated polyurethane emvura-soluble polymer, iyo ndeyaisiri-ionic assistative thickener. Hour inoumbwa nezvikamu zvitatu: hydrophobic group, hydrophilic chain uye polyurethane boka. Boka reHydrophobic rinotora basa rekubatana uye chinhu chinonzwisisika chekuremerwa, kazhinji oleyl, octcekuva 1 ocdencycken,. .. Kaini yeMolecular yeHuron inotambanudzwa nemapoka ePolyurethane, senge IPDI, TDI uye HMDI.
Kukora Mechanism:
1) Iyo hydrophobic kupera kwevanhurume veMorcule neHydrophobic Zvimisikidzo, surfacts
2) Senge surfalactant, apo fungidziro iripo yakakwira kupfuura iyo memollection yeMolle, micelle inoumbwa, uye yepakati-shear viscosity (1-100s-1) inonyanya kutongwa naro;
3.
Inorganic thickener
Mbatano yeAmerics inonyanya kusanganisira machena machena kabhoni, sodium Bentonite, Organic Bentonite, Diatonite, Attapulgite, Moleculgite, Silika Gela.
Kukora Mechanism:
Pano, kutora organic benticite semuenzaniso, iyo tsika yayo yeanenge iri seinotevera:
Organic benticite kazhinji haipo mune fomu yezvidimbu zvekutanga, asi kazhinji inounganidzwa yezvikamu zvakawanda. Chikamu chepuraimari chinogona kugadzirwa kuburikidza nemaitiro ekunyorova, kuparadzira uye activation, kugadzira iyo inoshanda yeTixotropic mhedzisiro.
Muhurongwa hwekuputika, iyo polar activatator isiri chete simba rekubatsira organic bentonite yekuparadzira, asiwo mvura yaive mukati mayo inofamba neiyo hydroxyl boka pamucheto weBentonite maruva. Munoona, kuburikidza nekuvhuvhuta emamolekyudhi emvura, zvisingaverengeki bundu. Pasi pechiitiko chesimba rekunze, chimiro chinoparadzaniswa uye visikoka chinoderera, uye simba rekunze rinodzokera kune yekutanga mamiriro. viscosity uye chimiro.
03 application
Cellulosic Thickener Cellenic Thickener ane hunyanzvi hwekuita, kunyanya pakurerekera kwechikamu chemvura; Iyo ine mashoma kurambidzwa pamatanho uye inoshandiswa zvakanyanya; Inogona kushandiswa mune yakawandisa pH range. Nekudaro, pane zvakashata sekuremerwa kwakadai sekusanzwisisika, zvakanyanya kusimuka panguva ye roller coating, kusarongeka kugadzikana, uye kutapwa kusvibiswa kwemicrobial. Nekuti ine zvivharo zvakakwirira pasi pehomwe yepamusoro uye yakakwirira viscosity pasi pemitambo uye yakaderera shear
Polwacrylic acid Thickener Polwacrylic acid Stid ane Akasimba uye akareba zvinhu, asi ane hanya nekukoshesa ph kukosha uye kusarongeka kwemvura kurwisa.
Chimiro chekushamwaridzana cheSollative polyurethane Thickener zvinoparadzwa pasi pechiito cheShear, uye visikoka vanoderera. Kana iyo Simba Rokutsamwa rinonyangarika, iyo visikozi inogona kudzoreredzwa, iyo inogona kudzivirira chiitiko cheSag mune yekuvaka. Uye kupora kwaro kweViscosity kune imwe hysteresis, iyo inokodzera kusvika pakukwirisa kwefirimu rekuvhara. Huremu hwemanyorerwe. Iyo yakakwira mvura solublose thickener ichakanganisa kudzikisira kwemvura kweiyo firimu yekubatanidza, asi iyo hydrophobic mapoka akasimba nemakiromita ekubatanidza, anogona kusimudzira kudzikisira kwemvura yefirimu rekubatanidza. Sezvo zvimedu zvechishanu chinoshanda mumusangano, hakuzove nehurongwa, saka firimu rekuvandudza rinogona kuve rakanyorova uye riine gloss hombe.
Inorganic thickener mvura-yakavakirwa Bentonite ine zvakanakira kurongedza kwakasimba, yakanaka thisxotropy, yakawandisa yePP yakakosha kujaira, uye kugadzikana kwakanaka. Nekudaro, sezvo Bentonite inzvimbo inormanic neakanaka mwenje wekunyora, inogona kuderedza zvakanyanya pasi peiyo floss yefirimu yekubatanidza uye kuita senge mumiririri wekutakura. Naizvozvo, paunenge uchishandisa Bentonite muGlossy Latex pendi, kutarisa kunofanirwa kubhadharwa kuti udzore dosage. Nanotechnology yakaona iyo Nanoscale yeAlorganic zvikamu, uye zvakare zvakawedzera manhamba ane zvimwe zvinhu zvitsva.
Kutumira Nguva: Kukadzi-22-2025