Tsawg shear polyurethane theynener

Polyurethane thickeners nthuav qhia txawv heev rheological cov khoom hauv qab qis shear (low shear) thiab siab shear (siab shear) tej yam. Hauv qhov qis shear ib puag ncig, thickeners muab ruaj viscosity ruaj khov, pub cov khoom los tswj cov khoom sib txawv thiab ntws. Nyob rau hauv lub siab shear ib puag ncig, lub viscosity ntawm lub thickener txo qis, ua rau cov khoom siv tau yooj yim lossis tshuaj tsuag thaum tswj nws lub peev xwm ruaj khov thiab npog.

Xa kev nug

Hauj lwm lawm

Yyiag txiv qes shear polyurethane thickenter

Muaj peb hom sib txawv ntawm cov koom ua ke thickeners siv nyob rau hauv cov ntug dej polyurethanes:

1. Tsawg shear tus nqi thickeners: lub saum npoo ntawm cov dej phwj dej polyurethane thickened nrog cov neeg muaj zog pseudoplastic bheological los ua kom muaj cov nyhuv tuab tuab.

2. Lub siab shear tus nqi thickeners: txoj kev nkhaus ntawm Waterological ntawm Waterhologe Polyurethane Thickened nrog cov thickener no tiag tiag yog Newtonian. Cov tuab no ua haujlwm hauv cov siab tawv siab ntau yam, nrog cov nyhuv zoo thiab zoo leveling nyhuv.

3. Nruab nrab shear tus nqi thickeners, tshuav nyiaj ntawm cov qes qis thiab siab shear thickener, khaws cov nyhuv qis thiab zoo thiab ua kom zoo heev.

Cov nyhuv ntawm kev siv nyob rau hauv qis shear mob

Nyob rau hauv qis shear mob, polyurethane thickenters tsuas yog ua lub luag haujlwm ntawm thickening thiab ruaj khov. Nws tuaj yeem nce viscosity ntawm cov khoom, ua kom nws yooj yim dua rau kev lag luam thiab tswj. Nyob rau tib lub sijhawm, nws kuj tseem tuaj yeem txhim kho qhov ruaj khov ntawm cov khoom lag luam thiab tiv thaiv cov khoom los ntawm stratification lossis nag lossis daus thaum cia thiab siv. Thickeners nyob rau hauv cov mob no yog tsim nyog tshwj xeeb rau cov khoom lag luam uas yuav tsum tau tswj viscosity ruaj khov, xws li txheej ci, cov nplaum, thiab lwm yam.

Yyamang qis shear polyurethane thickener yt-12w, lwm yam ntawm RM-12W, muab cov txheej txheem muaj cov phiaj xwm pseudo-yas; Feem ntau haum rau kev tsim cov txheej txheem ua kom zoo nkauj thiab tuab txhuam cov tshuaj pleev ib sab.

1. High pseudoplastic, uas tuaj yeem txhim kho cov viscosity siab ntawm cov txheej hauv qab qis shear;

2. Zaj duab xis zoo-tsim cov cuab yeej, siab dua, thiab zoo dua pseudopstejicity tshaj cellulose thiab alkali o thickeners;

3. Zoo sib xyaw ua ke nrog ntau yam dej raws li dej system;

4. Kev ua tau zoo tsis cuam tshuam los ntawm PH tus nqi.