Iindidi zemixokelelwane ezisetyenziswayo zisetyenziswa ekwakheni udaka oluxubeneyo, iimpawu zabo zokusebenza, indlela yesenzo, kunye nefuthe lazo ekusebenzeni kweemveliso ezixubileyo. Iziphumo zokuphucula iiarhente zokugcina amanzi anjenge-Selerbase Ether kunye ne-stanch Ether, i-Pearch Etex Powder kunye neMida yeFildx kunye neFibber
Imixokelelwane idlala indima ephambili ekuphuculeni umkhondo wokwakha ubutshijolo oxubileyo, kodwa ukongezwa kodaka oluxubileyo kwenza ukuba iindleko ezibonakalayo ziphezulu kune-40% yexabiso lezinto eziphathekayo. Okwangoku, inxenye ebonakalayo yomngqinisiswa inikezelwa ngabavelisi bamanye amazwe, kwaye i-aresmere yemveliso yemveliso ikwanikezelwa ngumthengisi. Ngenxa yoko, iindleko zodaka ezixubileyo ezixubileyo zihlala ziphakame, kwaye kunzima ukwehla i-springs eqhelekileyo kunye nokufakelwa kwendawo enamatye amakhulu kunye neendawo ezibanzi; Iimveliso zokuphela kwemarike zilawulwa ziinkampani zangaphandle, kwaye abavelisi abaxubeneyo bodaka baneenzuzo ezisezantsi kunye nokunyamezelana kwamaxabiso aphantsi; Kukho ukunqongophala kophando olucwangcisiweyo nolujolisiweyo kwisicelo samayeza, kwaye iifomula zangaphandle zilandelwe ngooswetsher.
Ngokusekwe kwezi zizathu zingentla, eli phepha lihlaluthwe kwaye lithelekise iipropathi ezisisiseko zombuso obuqhelekileyo osetyenziswayo, kwaye kwesi siseko, funda ukusebenza kweemveliso ezixubileyo ezixubileyo usebenzisa ubumbeko.
Iarhente yokugcina amanzi
I-Arhente yokugcina amanzi yindawo ephambili yokuphucula indlela yokugcina amanzi of yodaka oluxubileyo, kwaye lolunye uphawu oluphambili ukumisela iindleko zezixhobo ezixubileyo.
I-1. I-Hydroxyl I-Methyl Seleulose Ether (HPMC)
I-Hydroxypropyl Methylcelcelcelose yikota eqhelekileyo yothotho lweemveliso ezenziwe yi-alkali seluplose kunye nearhente yokukhuthaza phantsi kweemeko ezithile. I-Alkali Selelose ithathelwa indawo yi-Arhente eyahlukileyo yokufumana ii-seluplose ezahlukeneyo. Ngokweempawu ze-ionition zezinto ezizithobe, ii-seluplose iiricking zinokwahlulwa zangamacandelo amabini: Ionic (i-Ionic (efana ne-carboxymethyl sellyulose) kunye ne-methyl sellyulose). Ngokohlobo oluthathekileyo, i-seluplose ether inokwahlulwa ibe yi-monoether (njenge-methyl selsulose) kunye ne-ether exutywe (njenge-hydroxypropy). Ngokutsho komoya owahlukileyo, unokwahlulwa ukuba inyibilikiswe ngamanzi (anjenge-hydroxyythl seluplose) kunye nodaka oluxutywe ngamanzi (kunye ne-slecloul inyibilikisi.
Indlela yesenzo sesenzo se-selsulose ekrwele i-tellase kuburharha yile ilandelayo:
. Kodwa iqondo lokuhlaselwa layo lokuhlaselwa kwamanzi ashushu liphezulu kakhulu kune-methyl seluplose. Ukunyibilisela emanzini abandayo kuyaphuculwa kakhulu xa kuthelekiswa neMethyl Selelose.
. Ubushushu buchaphazela i-viscofity yayo, njengoko amaqondo obushushu ayanda, i-viscosity ihla. Nangona kunjalo, i-viscosity yayo ephezulu inamaqondo obushushu asezantsi kune-methyl seluplose. Isisombululo sayo sizinzile xa sigcinwe kubushushu begumbi.
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. I-Caustic Soda kunye namanzi e-lime anempembelelo encinci ekusebenzeni kwayo, kodwa uAlkali unokukhawulezisa ukupheliswa kwayo kwaye kwandise i-viscofity yayo. I-HydroxyPOpyl Methylcelcelcelose iZinzile kwi-SECTs eqhelekileyo, kodwa xa uxinzelelo lwesona sityibilili liphezulu, i-viscosity ye-hydroxypropyl methylcelses isisombululo sithanda ukunyuka kwesisombululo.
. Ezinjenge-polyvinyl utywala, i-starch ether, i-gum yemifuno, njl.
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I-2. Methylcelculose (MC)
Emva kokuba ikotoni ecocekileyo iphathwa ngeAlkali, i-Selesese i-Ersulose iveliswa ngothotho lwe-methane hloride njengearhente ye-e-hloride njengearhente ye-e-hloride njenge-arhente yokwenyama. Ngokubanzi, inqanaba lokufakwa endaweni le-1.6 ~ 2.0, kwaye i-solinoing nayo yahlukile ngamanqanaba ahlukeneyo okufaka endaweni. Yeyokutshekisha i-enic sete
. Isisombululo se-ACTEAFOOF sizinzile kakhulu kuluhlu lwe-pH = 3 ~ 12. Ihambelana ngokuchanekileyo nesitatshi, i-Gum Gum, njl. Njl. Xa iqondo lobushushu lifikelela kubushushu bendawo, ukumela.
. Ngokubanzi, ukuba isixa esongezelelekileyo sikhulu, ukulunga kuncinci, kwaye i-vickosity inkulu, inqanaba lokugcina amanzi liphezulu. Phakathi kwazo, isixa-mali songezelelo sinefuthe elikhulu kwiqondo lokugcina amanzi, kwaye inqanaba le-viscofity alikho ngqo kwinqanaba leqondo lokugcina amanzi. Inqanaba lokuchithwa ikakhulu lixhomekeke kwinqanaba lokutshintsha komphezulu wesuntswana kunye nobumdaka obuchaphazelekayo. Phakathi kwezi zinto zingentla kwe-Sethes, iMethyl Selelose kunye neHydroxypropyl Methyl Selelose anemilinganiselo ephezulu yokugcina amanzi.
(3) Utshintsho kubushushu luya kuchaphazela kakubi inqanaba lokugcinwa kwamanzi kwi-methyl seluplose. Ngokubanzi, amaqondo obushushu aphezulu, okuphezulu kokugcina amanzi. Ukuba ubushushu obuphango bungaphezulu kwe-40 ° C, ukugcinwa kwamanzi kwe-methyl seluplose kuya kuncitshiswa kakhulu, kuchaphazele kakhulu ukwakhiwa kodaka.
(4) I-Methyl Selelose inefuthe elibonakalayo kulwakhiwo kunye nokubulala. I "Dehlosion" apha zibhekisa kumandla okunetha ezibonakala ziphakathi kwesixhobo somsebenzi wesicelo kunye nodonga, oko kukuthi, ukumelana nodaka. Ukuthambelela kuphezulu, ukumelana nodaka kubukhulu, kwaye amandla afunwa ngabasebenzi kwinkqubo yokusetyenziswa inkulu, kwaye ukusebenza kodaka akunamsebenzi. I-Methyl Seledion ikwinqanaba eliphakathi kwimveliso ye-etelulose etele.
I-3. I-HYDROXCYETLCELCELCEULOSE (Hec)
Yenziwe kwiCotton ehlaziyiweyo ephathwe ngeAlkali, kwaye yasabela kwi-Ethylene oxide njengearhente ye-ether phambi kwe-acetone. Inqanaba lokufakwa endaweni yi-1.5 ~ 2.0. Inombala oqinileyo kwaye kulula ukuyifumana ukufuma.
. Isisombululo sayo sizinzile kubushushu obuphakamileyo ngaphandle kweGelling. Ingasetyenziselwa ixesha elide phantsi kobushushu obuphakathi kudaka, kodwa ukugcinwa kwamanzi kwawo kusezantsi kune-methyl sellyulose.
. I-Alkali inokukhawulezisa ukuchitheka kwayo kwaye yonyusa kancinci. Ukusasazeka kwawo ngamanzi kubi kakhulu kune-methyl seluplose kunye ne-hydroxypropyl methyl sethyulose. .
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Starch ether
Isitatshi Ezinje ngeetapile, ingqolowa, i-cassava, iimbotyi zeGuar njalo njalo.
1. Isitatshi esiguquliweyo
I-starch Ethe iguqulwe kwi-potato, ingqolowa, i-cassava, njl njl. Ngenxa yesidanga esahlukileyo sokutshintsha, uzinzo kwi-acid kunye ne-alkali yahlukile. Ezinye iimveliso zilungele ukusetyenziswa kwizifakelo ezisekwe kwiGyppum, ngelixa ezinye zinokusetyenziswa kwizifakethi esekwe kwisamente. Ukusetyenziswa kwe-starch ether emdaka kusetyenziswa ikakhulu njenge-thi chulener ukuphucula impahla yokulwa i-antin, ukunciphisa umlinganiso wodaka lwamanzi, kwaye wandisa ixesha lokuvula.
I-starches idla ngokusetyenziswa kunye neseluplose, ukuze iipropathi kunye nezibonelelo zezi mveliso zimbini zihambelana. Kuba iimveliso ze-starch ethe thereper zixabiso eliphantsi kuneSeluplose Ether, ukusetyenziswa kwe-starch ether emdaka kudaka kuya kuzisa ukunciphisa okubalulekileyo kwiindleko zokutyulwa kodaka.
I-2. Guar Gum Ether
I-Guar Gum Ether luhlobo lwe-starch ether enepropathi ekhethekileyo, eguqulweyo evela kwiimbotyi ze-gaar zendalo. Ngaphezulu kwendlela yokuphendula ye-EMAR GUM kunye neqela elisebenzayo le-ACrylic, isakhiwo esineqela le-2-hydroxypropy yenziwa, esiyindlela ye-polygalactCommanse.
. Iipropathi ze-giac ye-PH ABHICE zibaluleke kakhulu.
. Kodwa ukungqinelana, i-anti-sag, thytropy kwaye ke ngoko kucacile.
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. Ayinasiphumo esibi kwixesha kunye namandla okutya kwe-gyppum.
I-3. I-Fourimed Wandli-Rickener
I-tickener yokugcina amanzi eyenziwe ngee-minerals zendalo ngokuguqulwa kunye nokudityaniswa kusetyenzisiwe eTshayina. Iiminerali eziphambili ezisetyenziselwa ukulungiselela izilonda zokugcina amanzi yile: I-Sepiolite, iBentolite, iMontmorillonite, i-kaolmorillonite, njl njl, njl njl. Olu hlobo lokugcina amanzi-ukugcina udaka lube nolulu phawu.
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I-Relly Prolymer Prolymer Prober
Ipowber yerabha yerabha iqhutywa ngokutshiswa kwe-preymer emulsion. Kwinkqubo yokuqhubela phambili, ukukhusela i-colloid, iarhente ye-anti-canking, njl njl. Umgubo werabha owomileyo ungamasuntswana athile angama-80 ~ 100mm eqokelelene. La masuntswana anyibilikiswa emanzini kwaye enze ukusasazeka okuzinzileyo kukhulu kunamasuntswana okuqala. Oku kusasazeka kuyakwenza ifilimu emva kokupheliswa kwempahla emzimbeni kunye nokomisa. Le fili ifilimu ingenakuphindeka njengoMyili weFilsonion jikelele, kwaye ayiyi kuphinda iphinde iphelele xa idibana namanzi. Ukusasazeka.
Umgubo werabha ephindiweyo unokwahlulwa ukuba: I-Styrene-Butadiene Copolymer, i-Carbonic Acid Copolymer, i-Ethylene-i-Silicone, iVinya ye-Acetate Acetic, iVinya. Different modification measures make the redispersible rubber powder have different properties such as water resistance, alkali resistance, weather resistance and flexibility. Iqulathe i-vinyl laurate kunye ne-silicone, enokwenza umgubo werabha ane-hydrophobicity elungileyo. I-carced ye-vinyl ye-vinyl ephezulu yexabiso le-TG kunye nexabiso elifanelekileyo.
Xa ezi ntlobo zeerali zisetyenziswa kodaka, zonke zinefuthe lokulibaziseka ekumiselweni kwesamente, kodwa ukulibazisa kuncinane kuneso sicelo esifanayo. Xa kuthelekiswa, i-styrene-butadiene inesona siphumo sikhulu sokugcina, kunye ne-ethylene-vinyl i-acetate inesiphumo esincinci esincinci. Ukuba idosi incinci kakhulu, isiphumo sokuphucula ukusebenza kodaka akubonakali.
IXESHA LOKUQALA: APR-03-2023