Cov khoom AnxinCel® Hydroxypropyl Methyl Cellulose HPMC tuaj yeem txhim kho los ntawm cov yam ntxwv hauv qab no hauv PVC:
· cov tshuaj uas feem ntau siv los ua kom cov tshuaj ncua.
Tswj cov khoom me me thiab lawv qhov kev faib tawm
· Cuam tshuam rau qhov porosity
· Txhais qhov hnyav ntawm PVC.
Cellulose ether rau Polyvinyl Chloride (PVC)
Polyvinyl Chloride (PVC) yog ib qho thermoplastic polymer pheej yig thiab siv tau ntau yam hauv kev lag luam tsim kho thiab kev tsim kho kom tsim cov qhov rooj thiab qhov rai profile, cov kav dej (haus dej thiab dej khib nyiab), cov hlau thiab cov cable rwb thaiv tsev, cov khoom siv kho mob, thiab lwm yam. Nws yog lub ntiaj teb thib peb loj tshaj plaws thermoplastic khoom siv los ntawm ntim tom qab polyethylene thiab polypropylene.
PVC siv dav dav hauv ntau yam kev lag luam, kev siv tshuab thiab kev siv txhua hnub suav nrog kev siv dav hauv kev tsim kho, kev thauj mus los, kev ntim khoom, hluav taws xob / hluav taws xob thiab kev kho mob.
Hauv kev ncua polymerization ntawm vinyl chloride, lub kaw lus dispersed muaj qhov cuam tshuam ncaj qha rau cov khoom, PVC resin, thiab qhov zoo ntawm nws cov txheej txheem thiab cov khoom. Hydroxypropyl MethylCellulose pab txhim kho qhov ruaj khov thermal ntawm resin thiab tswj qhov faib tawm ntawm cov khoom me me (hauv lwm lo lus, kho PVC ceev), thiab nws cov nyiaj suav rau 0.025% -0.03% ntawm PVC ntau lawm. PVC resin ua los ntawm cov khoom zoo Hydroxypropyl MethylCellulose tsis yog tsuas yog tuaj yeem ua kom muaj kab kev ua tau zoo nrog cov qauv thoob ntiaj teb, tab sis kuj tuaj yeem muaj cov khoom zoo pom tseeb, cov khoom zoo heev thiab cov cwj pwm rheological yaj zoo heev.
PVC yog ib yam khoom siv ruaj khov thiab siv tau ntev uas siv tau rau ntau yam kev siv, txawm tias yog tawv lossis yoog tau, dawb lossis dub thiab ntau yam xim.
Hauv kev tsim cov khoom siv hluavtaws, xws li polyvinyl chloride (PVC), polyvinylidene chloride, thiab lwm yam copolymers, kev ncua polymerization yog qhov siv ntau tshaj plaws thiab yuav tsum yog cov hydrophobic monomers uas tsis hloov pauv uas dai rau hauv dej. Ua cov polymers uas yaj hauv dej, Hydroxypropyl MethylCellulose khoom muaj kev ua haujlwm zoo heev thiab ua haujlwm ua cov neeg sawv cev tiv thaiv colloidal. Hydroxypropyl MethylCellulose tuaj yeem tiv thaiv cov khoom polymeric los ntawm kev tsim thiab agglomeration. Ntxiv mus, txawm hais tias Hydroxypropyl MethylCellulose yog cov polymer uas yaj hauv dej, nws tuaj yeem yaj me ntsis hauv hydrophobic monomers thiab tuaj yeem ua rau monomer porosity rau kev tsim cov khoom polymeric.
| Pom zoo qib: | Thov TDS |
| HPMC 60AX50 | Nyem qhov no |
| HPMC 65AX50 | Nyem qhov no |
| HPMC 75AX100 | Nyem qhov no |