A halin yanzu, ingancin hydroxypropyl methylcellulose na cikin gida ya bambanta sosai, kuma farashin ya bambanta sosai, yana da wahala abokan ciniki yin zaɓin da ya dace.HPMC da aka gyara na wannan kamfani na waje shine sakamakon shekaru masu yawa na bincike.Ƙarin abubuwan da aka gano na iya inganta aikin ginin da inganta aiki.Tabbas, zai shafi wasu kaddarorin, amma gabaɗaya magana yana da inganci;Dalilin ƙara wasu kayan aikin shine don rage farashi, yana haifar da raguwar riƙe ruwa sosai, haɗin kai da sauran kaddarorin samfurin, yana haifar da matsalolin ingancin gini da yawa.
Akwai bambance-bambance masu zuwa tsakanin tsantsar HPMC da lalatar HPMC:
1. Pure HPMC yana da kyan gani kuma yana da ƙananan ƙarancin girma, kama daga 0.3-0.4g / ml;balagagge HPMC yana da mafi kyawun ruwa kuma yana jin nauyi, wanda a fili ya bambanta da ainihin samfurin a bayyanar.
2. Pure HPMC mai ruwa bayani bayyananne, high haske watsa, da kuma ruwa riƙe kudi ≥ 97%;Maganin ruwa na HPMC da aka lalata yana da gajimare, kuma yawan riƙe ruwa yana da wahala a kai 80%.
3. Pure HPMC kada kamshin ammonia, sitaci da barasa;karuwanci HPMC sau da yawa yana iya jin kamshin kowane irin wari, ko da ba shi da ɗanɗano, zai ji nauyi.
4. Pure HPMC foda ne fibrous a karkashin wani microscope ko girma gilashi;Ana iya lura da lalata HPMC azaman daskararrun granular ko lu'ulu'u a ƙarƙashin na'urar hangen nesa ko gilashin haɓakawa.
Tsawon 200,000 da ba za a iya jurewa ba?
Yawancin masana cikin gida da masana sun buga takardu waɗanda suka yi imanin cewa samar da HPMC an iyakance shi ta hanyar amincin kayan aikin gida da rufewa, tsarin slurry da samar da ƙarancin matsin lamba, kuma kamfanoni na yau da kullun ba za su iya samar da samfuran tare da danko fiye da 200,000 ba.A lokacin rani, ba zai yiwu ba don samar da samfurori tare da danko fiye da 80,000.Sun yi imanin cewa samfurin da ake kira 200,000 dole ne ya zama kayan karya.
Hujjar gwani ba ta da hankali.Dangane da yanayin samar da gida na baya, za a iya yanke shawarar da ke sama.
Makullin don ƙara danko na HPMC shine babban rufewa na reactor da halayen matsa lamba da kuma kayan albarkatu masu inganci.Babban rashin iska yana hana lalatawar cellulose ta hanyar oxygen, kuma yanayin haɓaka mai ƙarfi yana haɓaka shigar da wakili na etherification a cikin cellulose kuma yana tabbatar da daidaiton samfurin.
Ma'anar asali na 200000cps hydroxypropyl methylcellulose:
2% mai ruwa bayani danko 200000cps
Tsaftar samfur ≥98%
Methoxy abun ciki 19-24%
Abun ciki na Hydroxypropoxy: 4-12%
200000cps hydroxypropyl methylcellulose fasali:
1. Kyakkyawan riƙewar ruwa da kaddarorin kauri don tabbatar da cikakken hydration na slurry.
2. Ƙarfin haɗin gwiwa mai girma da kuma tasiri mai mahimmanci na iska, yadda ya kamata ya hana shrinkage da fatattaka.
3. Jinkirin sakin zafi na siminti hydration, jinkirta lokacin saiti, da sarrafa lokacin aiki na turmi siminti.
4. Inganta daidaiton ruwa na turmi da aka zub da shi, inganta ilimin rheology, da hana rabuwa da zubar jini.
5. Samfuran na musamman, da nufin yanayin ginin yanayin zafin jiki a lokacin rani, don tabbatar da ingantaccen hydration na slurry ba tare da delamination ba.
Sakamakon sa ido kan kasuwa mai laushi, gasar a cikin masana'antar turmi na ƙara yin zafi.Domin samun kasuwa, wasu 'yan kasuwa sun haɗu da adadi mai yawa na abubuwa masu rahusa don samar da ether cellulose mai arha.Anan, editan ya wajaba ya tunatar da abokan ciniki cewa kada su yi makauniyar farashi mai rahusa, don kada a yaudare su a yaudare su, haifar da hatsarori na injiniya, kuma a ƙarshe asarar ta zarce riba.
Hanyoyin zina da kuma hanyoyin ganowa:
(1) Bugu da ƙari na amide zuwa cellulose ether na iya haɓaka da sauri na danko na maganin ether cellulose, yana sa ba zai yiwu a gane shi da viscometer ba.
Hanyar ganewa: Saboda halaye na amides, irin wannan maganin ether cellulose sau da yawa yana da wani abu mai mahimmanci, amma mai kyau cellulose ether ba zai bayyana abin mamaki ba bayan rushewa, maganin yana kama da jelly, abin da ake kira m amma ba a haɗa shi ba.
(2) Ƙara sitaci zuwa ether cellulose.Sitaci gabaɗaya baya narkewa a cikin ruwa, kuma maganin sau da yawa yana da ƙarancin watsa haske.
Hanyar ganewa: Sauke maganin ether cellulose tare da aidin, idan launi ya juya blue, ana iya la'akari da cewa an ƙara sitaci.
(3) Add polyvinyl barasa foda.Kamar yadda muka sani, farashin kasuwa na polyvinyl barasa foda kamar 2488 da 1788 sau da yawa ya fi na cellulose ether, da kuma hadawa polyvinyl barasa foda zai iya rage farashin cellulose ether.
Hanyar ganewa: Wannan nau'in ether cellulose sau da yawa yana da girma kuma mai yawa.Ya narke da sauri da ruwa, ɗauki maganin tare da sandar gilashi, za a sami wani abu mai mahimmanci na kirtani.
Takaitawa: Saboda tsarinsa na musamman da ƙungiyoyi, riƙewar ruwa na ether cellulose ba za a iya maye gurbinsu da wasu abubuwa ba.Ko wane irin filler ne aka hada a ciki, idan dai an hada shi da yawa, ruwansa zai ragu sosai.Adadin HPMC tare da danko na al'ada na 10W a cikin turmi na yau da kullun shine 0.15 ~ 0.2‰, kuma yawan riƙe ruwa shine> 88%.Zubar da jini ya fi tsanani.Saboda haka, yawan ajiyar ruwa yana da mahimmanci don auna ingancin HPMC, ko yana da kyau ko mara kyau, idan dai an ƙara shi a cikin turmi, za a iya gani a bayyane.
Lokacin aikawa: Mayu-10-2023