Cov nyhuv ntawm cellulose ether rau vais nplaum

Cov neeg sawv cev sib xyaw ua ke yog tam sim no cov khoom siv colishing, cov hmoov av loj thiab lwm yam khoom noj kom sib xyaw thiab lwm cov organic lossis inorganic ntxiv sib xyaw. Feem ntau, nws tsuas yog xav tau sib xyaw nrog dej thaum siv. Piv nrog dog dig colut, nws tuaj yeem txhim kho lub zog uas muaj zog ntawm cov khoom siv thiab lub substrate tsis kam thiab cov dej tsis kam zoo thiab cov cua sov ua tsis kam. Thiab qhov zoo ntawm khov-thaw puag ncig tiv taus, cov vuas luaj, chav tsev dai rau sab hauv, chav ua noj ua haus thiab lwm cov khoom siv hluav taws xob, yog tam sim no cov khoom siv hluav taws xob

Feem ntau thaum peb txiav txim rau kev ua yeeb yam ntawm cov nplais nplaum, peb tsis tsuas yog them rau kev ua haujlwm thiab kev tawm tsam kev ua haujlwm, tab sis kuj tseem ua tib zoo mloog nws lub zog kho zog thiab qhib lub sijhawm. Cellulose ether hauv cov nplais nplaum tsis yog cuam tshuam rau cov khoom siv hluav taws xob tsis zoo, tab sis kuj tseem muaj cov khoom siv hluav taws xob, tab sis kuj tseem muaj cov khoom muaj zog ntawm cov pobzeb nplaum

1. Qhib Sijhawm
Thaum roj hmab hmoov thiab cellulose ether can-ether ether pom tias roj hmab muaj zog ntau dua nyob rau hauv lub caperstitial thiab teeb sijhawm. Lub nro ntawm cellulose ether yog loj dua li ntawm cov roj hmab hmoov av yuav muaj txiaj ntsig zoo rau kev tsim cov khoom ntawm hydrogen ntawm lub hauv paus nto thiab cellulose ether.

Hauv lub tshuaj khib nyiab ntub dej, thiab cov cellulose txheej, thiab cov yeeb yaj kiab tau muab tso rau ntawm cov dej phib tawj, thiab cov yeeb yaj kiab tau ua rau muaj qee qhov yuav coj cov cellulose ntau dua ether etrichment on cug cug saum npoo.

Zaj duab xis ether on nplaim cug muaj qhov cuam tshuam zoo ntawm kev tshuaj khib:

1. Cov yeeb yaj kiab tsim tau yooj yim heev thiab yuav tau yaj ob zaug, tsis tuaj yeem txwv txoj hlab dej thiab txo lub zog.

2. Cov yeeb yaj kiab tsim yog tuab heev. Cov concentration ntawm cellulose ether rau hauv lub tshuaj khib interstitial kua yog qhov siab thiab viscosity yog siab. Nws tsis yooj yim los tsoo cov yeeb yaj kiab saum npoo thaum cov vuas yog pasted.

Nws tuaj yeem pom tau tias cov yeeb yaj kiab ua yeeb yam ntawm cellulose ether tau cuam tshuam rau lub sijhawm qhib. Hom ntawm cellulose ether (HPMC, Hemm, Hems (hloov chaw) thiab qib siab ntawm cov yeeb yaj kiab ether, thiab kev nyuaj thiab tawv ntawm zaj duab xis.