Ni ubuhe bwoko bw'ibyimbye mu irangi?

Thickener nubwoko bwihariye bwinyongera ya rheologiya, umurimo wacyo nyamukuru nukwongera ububobere bwamazi y irangi, kunoza imikorere yububiko, imikorere yubwubatsi hamwe ningaruka za firime yerekana irangi.

Uruhare rwibibyibushye

mubyimbye

Kurwanya gutuza

Amashanyarazi

Kurwanya kugabanuka

Kurwanya kugabanuka

Kunoza imikorere yo gutatanya

Kunoza imikorere yubwubatsi

Ongera uburebure bwa firime

Kunoza ingaruka zo hejuru

Ibiranga ubunini butandukanye

1

Ikoreshwa cyane ni organic bentonite, igice cyingenzi ni montmorillonite. Imiterere yihariye ya lamellar irashobora guha igifuniko hamwe na pseudoplastique ikomeye, thixotropy, guhagarika ihagarikwa hamwe namavuta. Ihame ryo kubyimba ni uko ifu ikurura amazi ikabyimba kugirango igabanye icyiciro cyamazi, bityo ikagira amazi runaka.

Ibibi ni: gutembera nabi no kuringaniza imikorere, ntabwo byoroshye gutatanya no kongeramo.

2. Cellulose ether

Bikunze gukoreshwa nihydroxyethyl selile(HEC), ifite umubyimba mwinshi, guhagarikwa neza, gutatanya no gufata amazi, cyane cyane kubyimbye icyiciro cyamazi.

Ibibi ni: bigira ingaruka ku kurwanya amazi yo gutwikirwa, imikorere idahagije yo kurwanya ifu, hamwe no gukora nabi.

3. Acrylic

Ubunini bwa Acrylic bugabanijemo ubwoko bubiri: acrylic alkali-yabyimbye (ASE) hamwe na alkali-kubyimba kubyimbye (HASE).

Ihame ryibyimbye rya acide acrylic alkali-kubyimba kubyimbye (ASE) nugutandukanya karubokisile mugihe pH ihinduwe na alkaline, kuburyo urunigi rwa molekile ruva kumurongo ukajya ku nkoni binyuze mumyanya ndangagitsina ya electrostatike yanga hagati ya ion ya karubasi. , kuzamura ubwiza bwicyiciro cyamazi. Ubu bwoko bwo kubyibuha nabwo bufite ubushobozi bwo kubyimba cyane, pseudoplastique ikomeye no guhagarikwa neza.

Ihuriro rya alkali-yabyimbye (HASE) itangiza amatsinda ya hydrophobique hashingiwe kubyimbye bisanzwe bya alkali-kubyimba (ASE). Mu buryo nk'ubwo, iyo pH ihinduwe na alkaline, kwanga igitsina kimwe cya electrostatike yanga hagati ya ion ya carboxylate ituma urunigi rwa molekile ruva mumiterere ihindagurika rukagera kumiterere yinkoni, ibyo bikaba byongera ubwiza bwicyiciro cyamazi; hamwe na hydrophobique matsinda yatangijwe kumurongo wingenzi arashobora guhuza nuduce twa latex kugirango twongere ubwiza bwicyiciro cya emulsiyo.

Ibibi ni: byunvikana kuri pH, gutembera bidahagije no kuringaniza firime yamabara, byoroshye kubyimba nyuma.

4. Polyurethane

Polyurethane yibyibushye (HEUR) ni hydrophobique yahinduwe na ethoxylated polyurethane amazi-soluble polymer, ikaba ari iyibyimbye bitari ionic. Igizwe n'ibice bitatu: hydrophobique base, urunigi rwa hydrophilique na base ya polyurethane. Urufatiro rwa polyurethane rwaguka mugisubizo cyamabara, kandi urunigi rwa hydrophilique ruhagaze mugice cyamazi. Intangiriro ya hydrophobique ifatanya nuburyo bwa hydrophobi nkibice bya latex, surfactants, na pigment. , gukora ibice bitatu-byimiterere y'urusobekerane, kugirango tugere ku ntego yo kubyimba.

Irangwa no kubyimba kwicyiciro cya emulsiyo, gutembera neza no gukora neza, gukora neza neza no kubika neza neza, kandi nta pH igarukira; kandi ifite ibyiza bigaragara mukurwanya amazi, kurabagirana, gukorera mu mucyo, nibindi.

Ingaruka ni: muri sisitemu yo hagati no hasi ya viscosity, ingaruka zo kurwanya gutuza ifu ntabwo ari nziza, kandi ingaruka yibyibushye yibasirwa byoroshye no gutatanya.