Kev siv thev naus laus zis thiab kev tsim kho tshiab ntawm aluminium ester coupling cov neeg ua haujlwm hauv calcium carbonate filling khoom lag luam
Hauv kev hloov kho cov khoom siv polymer niaj hnub no, calcium carbonate tau dhau los ua ib qho kev siv ntau tshaj plaws inorganic fillers nyob rau hauv kev lag luam xws li yas, roj hmab, thiab coatings vim nws cov peev txheej ntau, tus nqi qis, thiab kev ua haujlwm ruaj khov. Txawm li cas los xij, kev sib raug zoo tsis zoo ntawm qhov chaw hydrophilic ntawm calcium carbonate thiab organic polymer cov ntaub ntawv yeej ib txwm yog ib qho tseem ceeb ntawm txoj kev fwj uas txwv nws cov feem ntau ntawm kev siv thiab kev ua haujlwm. Qhov tshwm sim ntawm aluminium ester coupling cov neeg ua haujlwm tau coj cov kev hloov pauv thev naus laus zis mus rau calcium carbonate filling cov khoom lag luam, paub txog kev hloov pauv thiab hloov kho cov calcium carbonate los ntawm cov khoom siv zoo tib yam rau cov khoom siv ntxiv.
1, Mechanism of action: Tsim kom muaj cov organic-inorganic interface
Cov qauv molecular tsim ntawm aluminium ester coupling agents embodies meej interface engineering cov ntsiab lus: cov txhuas ester ua haujlwm pab pawg ntawm ib qho kawg tuaj yeem tsim kev sib koom tes ruaj khov nrog calcium ions nyob rau saum npoo ntawm calcium carbonate, tsim ib txheej txheej txheej txheej txheej txheej ntawm calcium carbonate; Cov organic ntev- cov qauv saw ntawm lwm qhov kawg muaj kev sib raug zoo nrog cov ntaub ntawv polymer xws li polyolefins, polyvinyl chloride, thiab roj hmab. Qhov kev tsim tshwj xeeb no tsim cov tshuaj siv tshuaj zoo ntawm calcium carbonate thiab polymer matrix.
Hauv daim ntawv thov txheej txheem ntawm calcium carbonate fillers, aluminate coupling agents ua lub luag haujlwm los ntawm peb cov txheej txheem kev ua haujlwm tseem ceeb:
Deg tshuaj hloov kho mechanism:
Los ntawm cov tshuaj tiv thaiv, cov khoom nto ntawm calcium carbonate yog hloov los ntawm hydrophilic mus rau hydrophobic;
Decentralized stability tswj mechanism:
Tsim kom muaj kev cuam tshuam steric hindrance los tiv thaiv kev sib sau thiab nag lossis daus ntawm calcium carbonate thaum ua thiab khaws cia;
Interface mechanics txhim khu kev qha mechanism:
Tsim kom muaj kev sib txuas tshuaj lom neeg muaj txiaj ntsig zoo txhim kho cov khoom siv hluav taws xob ntawm cov khoom sib xyaw.
2, Kev tshaj lij kev zoo siv rau calcium carbonate filling cov ntaub ntawv
1. Txhim kho qhov zoo ntawm cov khoom siv sib xyaw
Tsis kho calcium carbonate tuaj yeem yooj yim dhau los ua qhov kev ntxhov siab nyob rau hauv qhov system filling. Aluminium ester coupling cov neeg ua haujlwm txhim kho kev sib txuas ntawm kev sib txuas, hloov calcium carbonate los ntawm "tsis muaj zog" mus rau "lub zog taw tes". Cov ntaub ntawv siv tau qhia tau hais tias kev siv aluminate coupling tus neeg sawv cev hloov kho cov khoom siv calcium carbonate tuaj yeem ua kom lub zog tensile ntawm PP cov ntaub ntawv sib xyaw los ntawm 35% -55%, cuam tshuam lub zog los ntawm 40% -65%, thiab khoov modulus los ntawm 30% -50%, txhim kho lub zog thiab ua haujlwm ntawm cov khoom yas.
2. Optimize kev ua tau zoo thiab ntau lawm efficiency
Tom qab aluminium ester coupling tus neeg sawv cev txhim kho lub xeev dispersion ntawm calcium carbonate, yaj flowability ntawm cov khoom sib xyaw yog txhim khu kev qha. Tshwj xeeb, lub siab extrusion raug txo los ntawm 20% -35%, ua rau txo qis hauv kev siv hluav taws xob; Kev ruaj ntseg ntawm cov khoom molding tau raug txhim kho, thiab qhov zoo ntawm qhov chaw tau zoo dua; Ntau lawm efficiency nce 25% -40%, tshwj xeeb tshaj yog haum rau high-ceev nruam txheej txheem ntau lawm.
3. Ua tiav qhov kev faib ua feem ntau thiab kev lag luam kev lag luam
Aluminium ester coupling cov neeg ua haujlwm tsim cov txheej txheem rau kev faib ua feem ntau los ntawm kev txhim kho kev sib raug zoo. Kev lag luam xyaum tau pom tias qhov zoo tshaj qhov ntxiv ntawm aluminium ester coupling tus neeg sawv cev rau calcium carbonate filling cov ntaub ntawv yog tswj ntawm 5% thiab 10% ntom, uas tuaj yeem ruaj ntseg ntxiv cov nyiaj calcium carbonate mus rau 50% -70%. Thaum tuav cov khoom siv, nws tuaj yeem txo cov nqi raw khoom los ntawm 35% -50%, tsim cov txiaj ntsig tseem ceeb rau kev lag luam.
4. Txhim kho qhov chaw zoo thiab kho qhov muag ntawm cov khoom
Kev hloov kho calcium carbonate yog sib npaug ntau dua nyob rau hauv cov matrix, uas ua rau cov khoom nto smoother thiab smoother, nrog ib tug 30% -45% nce glossiness, 25% -40% kev txhim kho nyob rau hauv whiteness, thiab ib tug 50% -65% txo nyob rau hauv defects. Nws yog tshwj xeeb tshaj yog haum rau ntim cov ntaub ntawv, cov khoom siv kho kom zoo nkauj, thiab lwm yam khoom uas yuav tsum tau ua kom zoo nkauj.
5. Txhim khu lub peev xwm rau kev ua haujlwm zoo
Qhov saum npoo ntawm calcium carbonate kho nrog coupling cov neeg ua haujlwm muab kev sib koom ua ke zoo dua rau lwm cov khoom siv ntxiv. Thaum siv ua ke nrog cov khoom siv ntxiv xws li nplaim hluav taws xob, cov tshuaj tiv thaiv kab mob, thiab cov thermal conductivity, nws tuaj yeem tsim cov teebmeem tseem ceeb, muab kev txhawb nqa rau kev tsim cov khoom siv sib xyaw ua ke.
3, Kev txhawb nqa kev tshaj lij: Kev lees paub ntawm Shandong Chunqian Cov Khoom Tshiab
Raws li lub chaw tsim khoom ntawm aluminium ester coupling cov neeg ua haujlwm, Shandong Chunqian New Materials Co., Ltd. tau tsim ib qho kev pabcuam kev pabcuam thiab cov khoom siv saw hlau raws li xyoo ntawm kev tsim khoom thiab kev muag khoom.
4, Daim ntawv thov tiag tiag pov thawj
Thaum ib lub lag luam ntim yas ntim khoom qub siv tsis tau hloov kho calcium carbonate los sau cov ntaub ntawv PP, nws tau ntsib teeb meem xws li tsis muaj zog toughness thiab yooj yim tawg ntawm cov khoom. Tom qab qhia tus neeg sawv cev aluminate coupling muab los ntawm Chunqian Cov Khoom Tshiab (nrog rau qhov sib ntxiv ntawm 8% ntawm cov calcium carbonate), qhov ntim ntawm calcium carbonate tau nce los ntawm 45% mus rau 65%. Nyob rau tib lub sijhawm, qhov cuam tshuam lub zog ntawm cov khoom siv tau nce los ntawm 55%, lub zog tensile nce los ntawm 38%, lub ntsej muag glossiness ntawm cov khoom tau txhim kho los ntawm 48%, tus nqi tag nrho txo los ntawm 42%, thiab kev lag luam kev sib tw ntawm cov khoom tau zoo dua.
5, Kev Tsim Kho Kev Lag Luam Kev Lag Luam thiab Kev Pom Zoo
Nrog rau txoj kev loj hlob ntawm cov ntaub ntawv kev lag luam mus rau kev ua tau zoo, functionalization, thiab ntsuab, daim ntawv thov ntawm aluminate coupling agents nyob rau hauv lub tshav pob ntawm calcium carbonate filling yuav ua ntau dav thiab nyob rau hauv - qhov tob
Cov ntawv thov tshiab hauv cov tshuab yas biodegradable;
Kev nthuav dav tob hauv siab -kev ua tau zoo engineering yas;
Kev ua haujlwm thev naus laus zis hauv cov khoom siv sib xyaw ua haujlwm;
▲ Txhawb nqa thiab siv cov khoom siv ntsuab thiab ib puag ncig zoo.
6, Scientific application suggestion
Xaiv tus qauv sib txuas tsim nyog raws li hom khoom siv matrix;
Txiav txim siab qhov zoo tshaj qhov sib piv los ntawm qhov kev sim thiab ua kom zoo thiab kho nws nyob rau hauv qhov ntau ntawm 5% -10%;
nruj me ntsis tswj cov txheej txheem sib tov kom paub meej tias tus neeg sawv cev sib txuas ua haujlwm tag nrho;
Them mloog mus rau lub synergistic compatibility nrog rau lwm yam functional additives;
Tsim kom muaj kev saib xyuas zoo los xyuas kom muaj kev ruaj ntseg ntawm cov khoom lag luam.
Aluminium ester coupling cov neeg ua haujlwm ua lub luag haujlwm txhawb nqa tseem ceeb hauv calcium carbonate filling kev lag luam los ntawm lawv cov kev hloov pauv kev hloov kho thev naus laus zis. Nws tsis tsuas yog daws tau cov teeb meem tseem ceeb hauv kev siv cov calcium carbonate, tab sis kuj muab cov tswv yim thiab cov kev daws teeb meem rau kev lag luam kom ua tiav cov nqi txo, kev txhim kho kev ua haujlwm, thiab kev txhim kho cov khoom. Raws li cov kws tshaj lij kev tsim khoom, Shandong Chunqian New Materials Co., Ltd. tau dhau los ua tus khub txhim khu kev lag luam thiab txhim kho kev lag luam hauv calcium carbonate filling kev lag luam, vam khom cov kev pabcuam raws sijhawm, lav tom qab- kev pabcuam muag, thiab muaj peev xwm cia txaus, ua ke nrog ntau xyoo ntawm kev tsim khoom thiab kev muag khoom. Nrog rau kev nce qib ntawm cov khoom siv thev naus laus zis thiab kev txhim kho kev lag luam kev xav tau, cov neeg ua haujlwm sib txuas aluminate yuav ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa siab - kev txhim kho zoo ntawm calcium carbonate filling kev lag luam.
Cim npe nrov: Tuam Tshoj aluminate coupling tus neeg saib xyuas rau calcium carbonate muab tub lim, Tuam Tshoj aluminate coupling tus neeg saib xyuas rau calcium carbonate muab tub lim manufacturers, lwm tus neeg, Hoobkas
