Daim ntawv thov ntawm High Retention Starch nyob rau hauv kab lis kev cai ntawv ntau lawm

IP Sun Paper's PM23# tshuab feem ntau tsim cov ntawv kab lis kev cai, suav nrogoffset printing ntawv thiabdaim ntawv luam , nrog rau txhua xyoo tso zis ntau tshaj 300,000 tons. Lub tshuab yog txawm peem rau nrog ib tug steel siv calender, uas muaj zoo zoo nyob rau hauv ua smoothness.

Ib tus nqi ntawm cov muab tub lim ntxiv rau hauv daim ntawv thaum lub sijhawm tsim khoom. Feem ntau siv papermaking fillers yog calcium carbonate, talc, kaolin, thiab lwm yam. Papermaking fillers xws li calcium carbonate yog cov khoom uas muaj cov ntsiab lus loj tshaj plaws hauv daim ntawv tshwj tsis yog cov ntaub ntawv fiber ntau, nws yog dav siv vim lawv cov nqi qis, txo cov ntawv ntau. fiber ntau, txo cov nqi tsim khoom, thaum txhim kho smoothness thiab huab cua permeability ntawm daim ntawv; txhim kho cov khoom siv kho qhov muag (dawb, opacity thiab gloss), luam ntawv kev ua tau zoo thiab kev sau ntawv ntawm daim ntawv.

ua ntawv

Txawm li cas los xij, tom qab ntxiv cov fillers, vim yog qhov me me me me thiab qhov loj ntawm thaj chaw tshwj xeeb, cov txheej txheem sau ib txwm yuav cuam tshuam cov hydrogen bonding ntawm fibers thiab txo lub zog ntawm cov khoom.ntawv . Cov fillers ntxiv tau ntxiv rau hauv cov txheej txheem tsim khoom, qhov ntau qhov sib txuas ntawm cov fibers hauv daim ntawv cuam tshuam, thiab qhov pom tseeb dua qhov txo ntawm daim ntawv lub zog yog. Tsis tas li ntawd, txawm hais tias ntxiv cov fillers rau hauv daim ntawv tuaj yeem txhim kho cov dej pom kev ua haujlwm ntawm cov xaim seem thiab ua rau kom qhuav ntawm daim ntawv ntub dej, tab sis qhov nce ntawm cov ntsiab lus muab tub lim feem ntau ua rau txo qis hauv kev tuav cov khoom ntim thaum lub sij hawm lim dej, ntawv tshuab sizing tsis ua hauj lwm thiab lwm yam tsis zoo. Cov ntsiab lus muab tub lim ntau dhau kuj tseem yuav txo qhov muaj zog ntawm daim ntawv, uas ua rau muaj qhov tshwm sim ntawm lint thiab hmoov poob thaum siv cov ntawv tiav.

Yuav kom txo tau covdaim ntawv kab lis kev caitus nqi tsim khoom,IP Sun Ntawv tshwj xeeb tau koom tes nrog American Special Mining Company los qhia cov khoom siv khaws cov hmoov txhuv nplej siab gelatinization. Ua ntej, cov hmoov txhuv nplej siab yog gelatinized nyob rau hauv ib lub tank dej sov, thiab tom qab ntawd tov nrog cov muab tub lim thiab ntxiv rau qhov qub muab tub lim ntxiv. Cov txiaj ntsig tau pom tias thaum kwv yees li 2 kg ntawm cov hmoov txhuv nplej siab ntxiv rau ib tuj ntawm daim ntawv, cov hmoov txhuv nplej siab hauv cov ntaub ntub dej yog txo los ntawm 2 kg, cov hmoov tshauv tuaj yeem nce ntxiv los ntawm 1.5%, cov txheej txheem tuav tau zoo dua, thiab tus nqi ntawm cov additives raug txo kom zoo; lub zog Performance index tsis tau txo qis. Txawm li cas los xij, nws muaj qee yam tsis zoo rau lub cev qhuav dej ntawm lub tshuab ntawv, thiab yuav ua rauqeeteeb meem xws li lo rau lub tog raj kheej.

high-retention starch gelatinization khoom


Post lub sij hawm: Nov-07-2022