Ithini i-HPMC Hydroxypropyl methyl cellulose kunye nesamente ratio?
I-mortar yobunjineli engangeni manzi, iimpawu zayo zixhomekeke kubunzima obulandelayo bezinto eziluhlaza ezenziweyo: Ikhonkrithi 30-340, umgubo wezitena zenkunkuma yokwakha yobunjineli 40-50, i-lignin fiber 20-24, i-calcium formate 4-6, i-hydroxypropyl methyl cellulose 7-9, umgubo we-silicon carbide 40-45, umgubo we-calcium hydroxide 10-20, umgubo we-brown corundum 10-12, umgubo we-silt wesixeko esikhulu owomileyo 30-35, umhlaba wesixeko saseDatong 40-45, i-aluminium sulfate 4-6, i-carboxymethyl Isitatshi sesiseko 20-24, izinto ezilungisiweyo ze-nanotechnology carbon powder 4-6, amanzi 600-650; I-mortar yobunjineli engangeni manzi yale mveliso inobushushu obuqinileyo, ukumelana nomlilo, ukubopha okuqinileyo nodonga, amandla okucinezelwa, ukusebenza kakuhle kokutsalwa, ukumelana nokuguga okuhle, ukhuseleko oluhle lokusingqongileyo, ukumelana nokufuma okuhle, ukumelana nokuqhekeka, ukuthintela ukuwa. Namhlanje siza kuthetha nge-viscosity yesisombululo samanzi se-hydroxypropyl methyl cellulose, konke oku kuxhomekeke kweziphi iinkalo? Masiyifunde ngokwenene.
1. Ubunzima beemolekyuli, ubushushu besisombululo samanzi, izinga lokusika kunye nendlela yovavanyo ye-cellulose ether; 2. Okukhona ubushushu bokutshintsha kweglasi buphezulu, kokukhona ubunzima beemolekyuli buphezulu, i-viscosity yesisombululo iphezulu ngokwendalo; 3. Okukhona umxholo we-cellulose ether uphezulu, kokukhona i-viscosity yesisombululo iphezulu, ngoko ke ekusetyenzisweni kwesicelo kufuneka sinikele ingqalelo kubungakanani obufanelekileyo bokufakwa, ukuthintela ukufakwa kuphezulu kakhulu, kwaye kuchaphazele ngokuthe ngqo iimpawu zesamente mortar kunye nesamente concrete; 4. Njengoninzi lwesisombululo, i-viscosity nayo iya kuncipha ngokunyuka kobushushu, kunye nokuphezulu komxholo we-cellulose ether, kokukhona umonakalo wobushushu uphezulu; Ukongeza, isiphumo sokuqina sokwenyani siyahluka ngokwenani lamanzi asetyenziselwa isamente ye-epoxy.
I-Hydroxypropyl methyl cellulose aqueous solution viscosity nayo ingasebenza njengekhonkco eliphambili lokuphawula iimpawu ze-cellulose ether, okukhona i-viscosity yesisombululo samanzi iphezulu, ubukhulu bezinto zesamente ze-epoxy bungcono, ngasemva kweplate ye-gelling, kodwa ukuba i-viscosity inkulu kakhulu, iya konakalisa izinto ezikrwada zesamente ye-epoxy ngoko nangoko. Ngokuphathelele ezinye izinto ezizilinganisayo ezinobumanzi obuphezulu, i-viscosity ye-cellulose ether iya kucaciswa ukuba iphantsi.
Isisombululo samanzi se-cellulose ether singumzimba we-pseudoplastic, xa sifumanisa ukuba izinga lokucheba liphezulu, i-viscosity incinci.
Ngoko ke, ukushwankathela kukuba: ukuhlanganiswa kodaka lwesamente kuya kuncitshiswa ngamandla angaphandle, nto leyo eluncedo kulwakhiwo lobunjineli ngasemva, kodwa isisombululo samanzi se-cellulose ether kwimeko yexabiso eliphantsi kakhulu loxinzelelo, kuya kwenzeka iimpawu zolwelo olungelulo ulwelo lweNewtonian, ngokuchaseneyo, xa ixabiso loxinzelelo linyusiwe, isisombululo samanzi siya kwenzeka iimpawu zolwelo lwe-pseudoplastic.
Ukugcinwa kwamanzi kwi-hydroxypropyl methyl cellulose yenye yeempawu eziphambili ze-hydroxypropyl methyl cellulose. Izinga lokuphuma kwamanzi kwi-mixed mortar kunye neemveliso ezisekwe kwi-plaster lichaphazeleka bubushushu begesi, ubushushu kunye nezinga loxinzelelo. Ke ngoko, ngamaxesha ahlukeneyo onyaka, kunye ne-hydroxypropyl methyl cellulose, inani elifanayo lokusebenza kwamanzi kwimveliso linomahluko.
Ngokubanzi, okukhona i-viscosity ye-hydroxypropyl methyl cellulose iphezulu, kokukhona isiphumo sokwenyani sokugcina amanzi siya kuba ngcono, kodwa umonakalo we-viscosity ekugcinweni kwamanzi uya kuncipha emva kokuba i-viscosity idlule kwi-100,000 Mpa. Xa i-viscosity ye-HYDROXYpropyl methyl cellulose idlula kwi-100,000, izinga lokugcina amanzi linokuphuculwa kakhulu ngokunyusa ubungakanani be-hydroxypropyl methyl cellulose.
Kwinkqubo yokwakha eneenkcukacha, isiphumo sokugcina amanzi kwi-slurry sinokulungiswa ngokulungelelanisa ubungakanani be-hydroxypropyl methyl cellulose. Iimveliso zochungechunge lwe-hydroxypropyl methyl cellulose zinokusombulula ngempumelelo ingxaki yokugcina amanzi phantsi kobushushu obuphezulu obuqhubekayo. Kwixesha lobushushu obuphezulu obuqhubekayo, ingakumbi kwiindawo ezishushu nezikruqulayo kunye nokwakhiwa kwe-chromatography kwicala elinelanga, i-HYDROXYpropyl methyl cellulose esemgangathweni ophezulu iyafuneka ukuze kuphuhliswe ukugcinwa kwamanzi kwi-slurry.
I-hydroxypropyl methyl cellulose ikumgangatho ophezulu, inokulinganisela okuhle, amaqela ayo e-tertiary butyl kunye ne-hydroxypropyl oxygen asebenzayo ecaleni kwesakhiwo se-fiber molecular chain distribution joint, inokuphuhlisa iqela le-methyl aldehyde kunye ne-oxygen, kwaye umgangatho wamanzi we-digital form covalent bonds unokuba ngamanzi adibeneyo kunye namanzi okusasazeka, emva koko ulawule ngempumelelo imozulu eshushu ephezulu ebangelwa kukufuma kwamanzi, ukugcinwa kwamanzi amaninzi.
Umgangatho ophezulu we-hydroxypropyl methyl cellulose unokungena kumhlaba okhululekileyo noworhwebo kwiimveliso zedaka kunye neplasta ezixutyiweyo, kwaye zonke ii-cyst eziqinileyo ziyafuma, zipholile, zenze umaleko wefilimu, ukufuma ngexesha eliphakathi ixesha elide kukhululwa kancinci kwisiseko, kunye nokuqala komxube we-organic compound we-hydration reaction, emva koko kuqinisekisa ukuhambelana kwamandla okucinezela kunye namandla okutsalwa. Kwinkqubo yokwakha ehlotyeni eqhubekayo yobushushu obuphezulu, ke ngoko, ukuze kufikelele kwisiphumo samanzi, kufuneka kuhambelane neresiphi yesixa esithile kunye nomgangatho weemveliso ze-hydroxypropyl methyl cellulose, kungenjalo, kuya kubonisa ukudinwa ngokukhawuleza kakhulu kwaye kubangele ukufuma okunganelanga, kunciphise amandla okucinezela, kwahlulwe, kwavela iimpawu ezifana ne-metope engenanto kunye ne-doubt, kwanokudibanisa ne-worker confidence difficulty coefficient. Njengoko ubushushu buhla, isixa se-hydroxypropyl methyl cellulose sinokuncitshiswa kancinci kwaye umphumo ofanayo wokugcina amanzi unokufezekiswa.
Ukuba i-cellulose ether ayongezwanga, i-chromatography yesamente entsha iya koma ngokukhawuleza, ukwenza isamente ayinakumanziswa ngendlela eqhelekileyo, nto leyo ebangela ukuba isamente ingabi namandla kwaye inamathele ngcono. Kwangaxeshanye, ukongezwa kwe-cellulose ether kwenza isamente ibe ne-ductility elungileyo kunye nokuguquguquka, kwaye kuphucula amandla okuxinana kwesamente.
1, ubungakanani be-hydroxypropyl methyl cellulose particle
Ubungakanani besuntswana le-cellulose ether buyayonakalisa indlela enyibilika ngayo. I-cellulose ether ecolekileyo, kokukhona isantya sokubola kwayo emanzini sikhawuleza kwaye kokukhona iimpawu zayo zokugcina amanzi ziphezulu. Ke ngoko, ubungakanani besuntswana le-cellulose ether kufuneka bufakwe kuphando lwesinye seempawu zayo. Ngokubanzi, ubungakanani besuntswana le-cellulose ether buyi-80 mesh ngokusekelwe kuyo.
2, i-hydroxypropyl methyl cellulose eyomileyo ngaphandle kwesantya somxhuzulane
I-manic eyomileyo engenamxhuzulane, ibhekisa kubushushu obuthile be-manic cellulose ether eyomileyo, ukulahleka komgangatho weekhemikhali kubangelwe yipesenti yomgangatho wesampulu yokuqala yokwakheka. Ukuba umgangatho othile we-cellulose ether kwindawo eyomileyo engenamxhuzulane, isantya somxhuzulane siphezulu kakhulu, kuya kunciphisa amacandelo afanelekileyo kwi-cellulose ether, kwenzakalise isiphumo sokusetyenziswa kweenkampani ezisezantsi, kodwa kuya kuphucula neendleko zokuthenga. Ngokwesiqhelo isantya somxhuzulane ether eyomileyo engenamxhuzulane asiyi kudlula i-5.0%.
3, i-hydroxypropyl methyl cellulose potassium thiocyanate ash
Ukuba umgangatho othile we-cellulose ether kwi-ash content uphezulu kakhulu, kuya kunciphisa i-cellulose ether kwi-compounds ezifanelekileyo, kwaye kuya kuchaphazela isiphumo sokusetyenziswa kwe-downstream companies, i-cellulose ether potassium thiocyanate ash content yeyona nto iphambili ekufuneka iqwalaselwe yi-index value yayo.
4, i-hydroxypropyl methyl cellulose viscosity
Ukugcinwa kwamanzi kunye nefuthe lokutyeba kwe-hydroxypropyl methyl cellulose ngundoqo wokongeza i-cement mortar cellulose ether kwi-viscosity yayo kunye nokufakwa kwayo.
5, ixabiso le-PH le-hydroxypropyl methyl cellulose
I-viscosity yeemveliso ze-hydroxypropyl methyl cellulose iyancipha kancinci kancinci kubushushu obuphezulu okanye emva kokugcinwa ixesha elide, ingakumbi kwiimveliso ze-viscosity ephezulu, ngoko ke ixabiso le-pH kufuneka lilinganiselwe. Ngokubanzi kuchazwe ukuba udidi lwexabiso le-PH lwe-cellulose ether kufuneka lusebenze njenge-5-9.
6. Ukudluliselwa kwe-hydroxypropyl methyl cellulose
Iingenelo kunye nokungalungi kokudluliselwa kwe-hydroxypropyl methyl cellulose kunokuchaphazela ngokuthe ngqo isiphumo sokusetyenziswa kwayo kwizixhobo zokwakha. Izinto eziphambili ezilimaza ukudluliselwa kwe-cellulose ether zezi
1) umgangatho wezinto ezikrwada; (2) isiphumo sokwenyani sokukhupha i-ashish; (3) Ukulungiswa kweteknoloji yokucubungula; (4) ukulungiswa kwesinyibilikisi sendalo; (5) Isiphumo sokwenyani se-zhonghe.
Ngokwesiphumo sokwenyani sesicelo, ukuhanjiswa kwe-cellulose ether akufuneki kube ngaphantsi kwe-80%.
7, ubushushu oburhanelwayo be-hydroxypropyl methyl cellulose
I-Hydroxypropyl methyl celluloseKwizinto zesamente njengesitshixo sokwandisa izincamathelisi, i-viscosity kunye ne-arhente yokugcina amanzi, ngoko ke i-viscosity kunye nobushushu bejeli lixabiso eliphambili le-hydroxypropyl methyl cellulose. Ubushushu busetyenziselwa ukugweba uhlobo kunye neenkcukacha ze-cellulose ether, kwaye inqanaba lokutshintshwa kwe-cellulose ether linxulumene.
8. Ukongeza, ityuwa kunye nentsalela ziya konakalisa ubushushu beglu. Xa ubushushu besisombululo samanzi bunyuka, i-fiber polymer iyancipha kancinci kancinci, kwaye i-viscosity yesisombululo samanzi iyancipha. Xa i-adhesive point ifikelelwe, i-polymer yomile ngokupheleleyo kwaye i-adhesive iveliswa. Ke ngoko, ubushushu bokusebenza kwamalungu esamente buhlala bungaphantsi kobushushu beglu yokuqala. Phantsi kwalo mgangatho, okukhona ubushushu buphantsi, kokukhona i-viscosification iphakama, kwaye kokukhona isiphumo sokwenyani se-viscosification kunye nokugcinwa kwamanzi sibaluleke ngakumbi.
Ixesha leposi: Epreli-25-2024