I-Cellulose acetate yimathiriyeli eguquguqukayo enoluhlu olubanzi lwezicelo. Kwishishini lecuba, i-cellulose acetate tow yeyona nto iphambili ekrwada kwizihluzi zecuba ngenxa yokusebenza kwayo kakuhle kokucoca. Ikwasetyenziswa kumzi bhanyabhanya kunye neeplastiki ukwenza iifilimu zemifanekiso, iifreyimu zemiboniso, kunye nezibambo zezixhobo. Ukongeza, i-cellulose acetate isebenza njengesixhobo esiphambili kwiimbrane, kubandakanywa iifiltration membranes kunye ne-reverse osmosis elements, ngenxa yokungena kwayo kakuhle kunye nokukhetha. Ngokuguquguquka kwe-biodegradability kunye nokuguquguquka, i-cellulose acetate iyaqhubeka idlala indima ebalulekileyo kwimveliso yemveli kunye nezicelo zanamhlanje zokusingqongileyo.
Inkqubo yoHlulo lweCellulose Acetate
1. ULungiso lweMathiriyeli ekrwada kunye ne-Acetylation
Inkqubo iqala ngeintlama yomthiiselulosi, ehlanjululwayo ukususa i-lignin, i-hemicellulose, kunye nezinye izinto ezingcolileyo. I-cellulose ehlanjululwe emva koko isabela ngayoiacetic acid, iacetic anhydride, kunye ai-catalystukuvelisa i-cellulose acetate esters. Ngokulawula iqondo lokutshintshwa, amabanga ahlukeneyo afana ne-diacetate okanye i-triacetate inokufumaneka.
2. Ukuhlanjululwa kunye nokuPhonononga Ukulungiswa kwesisombululo
Emva kwe-acetylation, umxube wokuphendula ungathathi hlangothi, kwaye i-byproducts iyasuswa. I-cellulose acetate iyahlanjwa, yomiswe, kwaye inyibilikiswe kuyoI-acetone okanye i-acetone-imixube yamanziukwenza isisombululo se-homogeneous spinning. Kweli nqanaba, isisombululo siyahambaukuhluzwaukuphelisa iinqununu ezingapheliyo kunye neegels, ukuqinisekisa ukuhambelana nokuzinza.
3. Ukwenziwa kweFayibha kunye nokuQeda
Isisombululo esijikelezayo sisetyenzwa ngokusebenzisa iindlela eyomileyo yokusonta, apho ikhutshwe nge-spinnerets kwaye iqiniswe ibe yi-filaments njengoko i-solvent ikhupha. Imicu iyaqokelelwa, yolulwe, ize yenziwe ibe yintambo okanye umsonto oqhubekayo. Unyango lwasemva olunjengokolula, ukukruqula, okanye ukugqiba lusetyenziswa ukomeleza iipropathi zefiber, zizenze zilungele ukusetyenziswaicubaizihluzi, amalaphu, kunye nemicu ekhethekileyo.
Iphepha Lokucoca Udonga Olukhulu
SCY Series iphepha lokucoca
Eli phepha lokucoca, kunye ne-cellulose kunye ne-cationic resin composition, lisebenza ngokukodwa ekuhluzeni izisombululo ze-acetate ze-cellulose. Inika amandla aphezulu omatshini, i-porosity ezinzileyo, kunye nokususwa okungcolileyo okuthembekileyo. Umxholo ophantsi we-polyamide epoxy resin (<1.5%) uqinisekisa ukuhambelana kunye nokukhuseleka kwi-cellulose acetate processing, inceda ukususa iincinci ezintle, iigels, kunye nokungcola okungaxutywanga ngelixa kugcinwa ukuzinza kweekhemikhali kunye nokuthotyelwa kokutya kunye nemigangatho yokhuseleko lwamayeza.
Iingenelo
UFanelo oluPhezulu lokuHlunga- Ukususa ngokufanelekileyo iincinci ezincinci, iigels, kunye nokungcola okungaxutywanga kwi-cellulose acetate solutions.
Amandla oomatshini anamandla– Amandla okuqhuma ≥200 kPa iqinisekisa ukuqina kunye nokusebenza okuzinzile phantsi koxinzelelo.
IyangqinelanaI-Porosity– Ukungena komoya okulawulwayo (25–35 L/㎡·s) kunika amazinga okuqukuqela athembekileyo kunye neziphumo zokuhluza ezifanayo.
Ukuqukumbela
I-Cellulose acetate yinto ephambili esetyenziswa kwiifilitha, iifilimu, iiplastiki, kunye neembrane, ezixabiswa ngokusebenza kwayo kunye nokubola kwezinto eziphilayo. Ngexesha lokuvelisa, ukuhluzwa okusebenzayo kubalulekile ukuqinisekisa ukucoceka kunye nokuhambelana.
Enkulu Wall'sSCY Seriesisihluzoiphephainika iziphumo ezigqwesileyo ngeukusebenza kakuhle kokucoca, ukuqina okuqinileyo, kunye ne-porosity ezinzileyo. Ngomxholo we-resin ophantsi wokuhambelana okugqwesileyo, lukhetho oluthembekileyo lwe-cellulose acetate processing ekutyeni, kumayeza, nakumashishini ekhemikhali.
