Pfupiso
1. Kunyorovesa uye kuparadzira mumiririri
2. Defoamer
3. Thickener
4. Firimu-kugadzira zvinowedzera
5. Zvimwe zvinowedzera
Kunyorova uye kuparadzira mumiririri
Mavara emvura anoshandisa mvura sosi solvent kana kuparadzaniswa kwepakati, saka marara emvura anonyanya kudzikiswa neyemagetsi kudzora kana iyo magetsi maviri akafukidza.
Mukuwedzera, muchimiro-chakavakirwa mvura yekubatanidza, pane kazhinji polymers uye isiri-ionic surfaacts, iyo inodakadza pamusoro peiyo pigment filler, inogadzira isingatadzi kutadza uye kudzikamisa kuparadzaniswa. Naizvozvo, pendi dzemvura uye emulsions dzinowana yakagadzikana mhedzisiro kuburikidza nekubatana kwekuita kweElectrostatic kudzora uye steriction inotadzisa. Kusagadzikana kwayo kune murombo Electrolylete kuramba, kunyanya kune yakakwirira-mutengo Electrolyte.
1.1 kumhanyisa mumiririri
Vakanyorova vamiririri vekurara kwemvura vanogoverwa muAnonic uye nonitic.
Iko kusanganiswa kwekunyorova mumiririri uye kuparadzira mumiririri kunogona kuwana yakakodzera mhedzisiro. Iyo huwandu hwekunyorova mumiririri kazhinji kazhinji mashoma ezviuru. Maitiro ayo asina kunaka ari kupupuma uye kuderedza kudzikisira kwemvura kwefirimu rekubatanidza.
Imwe yezviitiko zvekuvandudza zvevamiriri vezvekunyorovesa kudzorera polyoxythylene alkylene Altherylene althenicy (Benene) phenol emagones, nekuti inotungamira kuderedzwa kwemahormone emurume mumakonzo uye inokanganisa neEndocrine. PolyoxyTHLECLELELLELLE (BENZENE) phenol etiners anoshandiswa zvakanyanya se emulsifiers panguva yemulsion polmerion polmerion polmerization polmerion.
Twin surfaersve ndezvekudaro zviitiko zvitsva. Iwo maviri maAmpiphilic mamorekuru akabatanidzwa ne spacer. Chinhu chakanyanya kuzivikanwa cheTwin-cell surfacticlants ndeyekuti iyo yekutsoropodza myolle memolle (cmc) inopfuura kurongeka kwehukuru hwakadzika kupfuura iro re "surure" surfers, inoteverwa nekubudirira kwakanyanya. Yakadai seTego Twin 4000, iri twin cell siloxane surfactant, uye ine isina kugadzikana foam uye defoaming zvivakwa.
1.2 kupararira
Vaparadzaniswa kweLatex pendi yakakamurwa kuita zvikamu zvina
Iyo inonyanya kushandiswa phosphate yakavhurika mapuranga, seSodium Hexphosphatephatephate
Iyo Mechanism yezviito zvayo ndeyekudzikamisa electrostatic kudzora kuburikidza neHydrogen kusungwa uye makemikari adsorption. Kubatsira kwayo ndekwekuti iyo dosi yakaderera, inenge 0,1%, uye ine yakanakira kupararira pamamiriro ekunze elorganic uye mafirita. Asi zvakare kune kushomeka: iyo, pamwe nekusimudza kwePhi kukosha uye tembiricha, polyphosphate inova nyore hydrolyzed, inokonzera kugadzikana kwenguva refu kwakashata; Asina kukwana kupaza pakati nepakati kuchakanganisa gloss ye glossy latox pendi.
1 phosphate inopararira
Phosphathe Ester Vanoparadzira Simbisa Pigment Kupararira, kusanganisira pundutso yakadaro seZinc oxide. MuGloss Pless Formasi, inovandudza gloss uye kuchenesa. Kusiyana nehumwe nekunyorova uye kuparadzira zvinowedzera, kuwedzera kwe phosphate ester vanoparadzira hazvikanganise ku uye ici viscosity yekuvhara.
Polyacid Homopolymer anoparadzira, akadai saTamol 1254 uye Tamol 850, Tamol 850, Tamol 850 is a homopolymer of methacrylic acid.
Polyacid Copolymer anopararira, senge Orotan 731a, inova yeCopolymer ye diisobutylene uye maleic acid. Hunhu hwemhando mbiri idzi dzekuparadzira dzakasimba ndedzekushamisika dzakasimba. zadzisa mibairo yakagadzikana. Kuita kuti vaparadzi vave nekupararira kwakanaka, uremu hwemanyorerwe hunofanira kudzorwa zvakanyatso kudzorwa. Kana uremu hwemanyorerwe chidiki kwazvo, pachave chisina kukwana stirce chinotadzisa; Kana uremu hwemanyorerwe hwakakura kwazvo, huremu huchaitika. Kuti uwane polycacrylate anoparadzira, iyo yakanyanya kupararira mhedzisiro inogona kuwanikwa kana iyo degree rePolymerization iri 12-18.
Dzimwe mhando dzekuparadzira, dzakadai saAMP-95, uve neChemical zita re2-amino-2-methyl-1-pranan. Iyo AMino boka rakashambadzirwa pamusoro pechikamu chechisimba chemagetsi Nekuda kwehukuru hwayo diki, kutadza kwakadzikama kunogumira. AMP-95 inonyanya kuve phonolator.
Mumakore achangopfuura, kutsvagisa kunoparadzira kwakunda dambudziko rekufa kunokonzerwa nehuremu hwakanyanya hwemanyorerwe, uye kukura kwehuremu hwakanyanya hwemanyorero ndeimwe yezviitiko. Semuenzaniso, iyo yakakwira molecular inoremerwa Efka-4580 inogadzirwa ne emulsion polmerization inogadzirwa zvine hunyanzvi maindasitiri emvura, akakodzera kune organic nguruve uye kurwisa kwemvura, uye kuve nekupokana kwakanaka kwemvura.
Amino mapoka ane hunhu hwakanaka hwendizhinji pigment kuburikidza acid-base kana hydrogen kusungwa. Iyo block coplymer inopararira ne aminocrylic acid seboka reancharing rakatariswa.
2 inopararira ne dimethylominoethyl methacrylate seanoshandura boka
Tego anodzikisira 655 kunyorovesa uye kuparadzira anonyora anoshandiswa mune yemvura yemvura emagetsi kwete chete kuti awedzere pandoms asiwo kudzivirira iyo aluminium poda kubva pakuita nemvura.
Nekuda kwekunetseka kwezvakatipoteredza, kuparadzira vamiriri vakanyoroveswa kwakagadzirwa, senge Envirogem AE Series Twin-Cell Interting uye inoparadzira vamiriri, iyo yakaderera-inopinza vamiriri.
Defoamer
Kune marudzi mazhinji emhando yemvura-yakavakirwa pendi pendi, ayo anowanzo kupatsanurwa mumapoka matatu: mineral oiri defoamers, polssiloxane defoamers uye mamwe ma defoamders uye mamwe ma defoamers.
Mineral oiri defoamers inowanzo shandiswa, kunyanya mufurati uye semi-gloss latex pendi.
Polysiloxane defoamers vane low lowence kusawirirana, kusimba kwakasimba uye kunokanganisa, asi kana zvichishandiswa zvisina kuremara, ivo vanozoita kuti vakoshese firimu remafirimu uye kusava nehasha.
Tsika dzemvura-dzakavakirwa pendi dzisingaenderane nechikamu chemvura kuti uzadzise chinangwa chekusunungurwa, saka zviri nyore kuburitsa zvirongwa zvepamusoro mufirimu rekubatanidza.
Mumakore achangopfuura, molecular-level defoamers akagadzirwa.
Aya anomiririra mumiririri phepenti yakaumbwa nekukwira zvakananga zvinobata zviitiko zvinoshanda pane chinhu chinotakura chinhu. Iyo majaya emanyorerwe ePolymer ine yakanyorova hydroxyl boka, iyo inoshatisa chinhu chinogovaniswa kutenderedza molecule, chinhu chinoshanda hachisi nyore kuunganidzwa, uye kuenderana neyakawirirana system yakanaka. SELMELULER-LEGER DEFIAMMERS inosanganisira mineral oiri - Foamstar A10 Series, Silicon-ine - Foamstar A30 Seric, uye isiri-isina-mafuta Polymers - Foamstar MF Series.
Uyu molecular defoamer anoshandisa svutugadzike nyeredzi polymer sechinhu chisingapindirani shuwa shuwa uye akawana mibairo yakanaka mumvura inokonzeresa. Iyo mhepo zvigadzirwa molecular-giredhi defoamer yakataurwa naStout et al. icetylene glycol-based foam control mumiriri uye defoamer ine zvese zvakanyorova zvivakwa, senge surfynol md 20 uye surfynol df 37.
Pamusoro pezvo, kuitira kuti usangane nezvinodiwa zvekugadzira zero-voc coatings, kune zvakare vhor-emahara defoamers, senge agitan 315, Agitan e 255, nezvimwe.
thickener
Kune marudzi mazhinji ehurumende, parizvino anowanzo shandiswa ndeye cellenulose ether uye yayo inofamba-famba thickeners, kushamwaridzana-shallarlal-shallable-uye polyurethane thickeners (HEUR).
3.1. Cellulose ether uye its frivatives
HydroxytHyl Cellulose (Hec)yakatanga kubudiswa neyunivhesiti neCarbide kambani muna 1932, uye ine nhoroondo yemakore anopfuura makumi manomwe.
Parizvino, iyo manhamba e cellenulose ether uye ayo its frivatives inosanganisira hydroxoseetl celloproxpropropropropropropropropropyl etc., aya haasiri-ionic manhara, uye zvakare ndezvemukati isina kubatana kwemvura yemvura. Pakati pavo, hec ndiyo inonyanya kushandiswa muPendi yeLatex.
3.2 Alkali-Schellable Thickener
Alkali-Schellable manhamba akakamurwa muzvikamu zviviri: Asiri-kushamwaridzana Alkali-Schellable Thickeners (ASE) uye Ashamwaridzana Alkali-Hase), ayo ari anonic thickeyers. Isina-kusanzwisisika aze ndeye polwacrylate alkali inodzora mulsion.
3.3. Polyurethane Thickener uye hydrophobically yakagadziridzwa isiri-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 reiyo hydrophobic rinotora basa rekubatana uye chinhu chinonzwisisika chekurema, kazhinji oleyl, octdecyl, dodecylphenyl, nonylphenol, nezvimwe.
Nekudaro, iyo degree rekutsiva kwemapoka ehydrophos pamigumo miviri yemamwe marudzi ekutengeserana anowanikwa akaderera pane 0.9, uye zvakanakisa ndezve 1,7. Mamiriro ezvinhu ekuita anofanirwa kuve akanyatso kudzorwa kuti awane polyurethene thickener ane rakamanikana surure kugovera uye kugadzikana kuita. Mazhinji anoenda kuSyntized naStellwdeon Polymerization, saka nzvimbo dzekutengeserana dzinowanzotengeserana dzinowanzosanganiswa nemusanganiswa wehuremu hwakawanda hwemanyorerwo.
Kuwedzera kune mutsara wekushamwaridzana polyurethane manhara yakatsanangurwa pamusoro apa, kune zvakare mubatanidzwa - sekushamwaridzana purlyureners. Iyo inonzi inonzi muzita rekushamwaridzana polyurethane Thickener zvinoreva kuti kune yePendant hydrophobic boka pakati pega yega yega morekuru. Manhamba akadaro seSct-200 uye Sct-275 etc.
Paunenge uchiwedzera huwandu hwakajairika hwemapoka ehydrophobic, pane chete maviri ekupedzisira-caped hydrophobic mapoka akagadziridzwa Ambino
Kana mamwe mapoka ehydrophos anowedzerwa, akadai asvika 8%, mamiriro ekuita anogona kugadziridzwa kuti abudise amino thickeners neakawanda hydrophobic mapoka ehdrophobic hydrophobic mapoka ehdrophos. Ehezve, izvi zvakare izana thickener.
Iyi hydrophobic yakagadziridzwa amino thickener inogona kudzivirira iyo pendi viscosity kubva pakudonha nekuda kwekuwedzera kwemari yakakura uye glycol sol sol sol sol sol. Icho chikonzero ndechekuti mapoka akasimba ekurira anogona kudzivirira kushungurudzika, uye akawanda hydrobic mapoka ane kushamwaridzana kwakasimba.
Kutumira Nguva: Dec-26-2022