1. Menene hydroxypropyl methylcellulose?
Hydroxypropyl methylcellulose (HPMC)Ether ce mara guba kuma mara lahani wacce ba ta ionic cellulose ether, ana amfani da ita sosai a kayan gini, abinci, magunguna, kayan kwalliya da sauran fannoni. Yana da ayyuka na kauri, riƙewar ruwa, samar da fim, haɗin gwiwa, lubrication da dakatarwa, kuma yana iya narke cikin ruwa don samar da bayani mai haske ko bayyananne.
2. Yawan amfani da amfani da HPMC
Filin gini
Ana amfani da HPMC da yawa a cikin kayan gini kamar turmi siminti, foda mai ɗorewa, tile m, da sauransu:
Aiki: Haɓaka aikin gini, haɓaka riƙon ruwa, tsawaita lokacin buɗewa, da haɓaka aikin haɗin gwiwa.
Hanyar amfani:
Ƙara kai tsaye zuwa busassun busassun turmi, adadin da aka ba da shawarar shine 0.1% ~ 0.5% na yawan siminti ko substrate;
Bayan an motsa sosai, ƙara ruwa da motsawa cikin slurry.
Masana'antar abinci
Ana iya amfani da HPMC azaman thickener, stabilizer da emulsifier, kuma ana samun su a abinci kamar ice cream, jelly, burodi, da sauransu:
Aiki: Haɓaka ɗanɗano, daidaita tsarin, da hana lalatawa.
Amfani:
Narke a cikin ruwan sanyi, an daidaita shawarar da aka ba da shawarar tsakanin 0.2% da 2% bisa ga nau'in abinci;
Dumama ko injin motsa jiki na iya hanzarta rushewa.
Masana'antar harhada magunguna
Ana amfani da HPMC sau da yawa a cikin shafan kwamfutar hannu na miyagun ƙwayoyi, matrix mai ɗorewa-saki ko harsashi na capsule:
Aiki: Samuwar fim, jinkirin sakin miyagun ƙwayoyi, da kariya ga ayyukan miyagun ƙwayoyi.
Amfani:
Shirya cikin bayani tare da maida hankali na 1% zuwa 5%;
Fesa a ko'ina a saman kwamfutar hannu don samar da fim na bakin ciki.
Kayan shafawa
HPMCana amfani da shi azaman mai kauri, emulsion stabilizer ko wakili mai ƙirƙirar fim, wanda akafi amfani dashi a cikin fuskokin fuska, lotions, da sauransu:
Aiki: Inganta rubutu da haɓaka jin samfurin.
Amfani:
Ƙara zuwa matrix na kwaskwarima daidai gwargwado kuma motsawa daidai;
Matsakaicin gabaɗaya shine 0.1% zuwa 1%, an daidaita shi bisa ga buƙatun samfur.
3. Hanyar rushewar HPMC
Zazzaɓin ruwa yana tasiri sosai ga solubility na HPMC:
Yana da sauƙi don narke a cikin ruwan sanyi kuma zai iya samar da bayani mai daidaituwa;
Ba shi da narkewa a cikin ruwan zafi, amma ana iya tarwatsa shi kuma ya zama colloid bayan sanyaya.
Takamaiman matakan warwarewa:
Yayyafa HPMC a hankali a cikin ruwa, kauce wa zubawa kai tsaye don hana yin burodi;
Yi amfani da mai motsawa don haɗuwa daidai;
Daidaita maida hankali na bayani kamar yadda ake bukata.
4. Kariya don amfani da HPMC
Sarrafa sashi: A cikin yanayin aikace-aikacen daban-daban, sashi yana shafar aikin kai tsaye kuma yana buƙatar gwadawa gwargwadon buƙatu.
Yanayin ajiya: Ya kamata a adana shi a cikin sanyi, bushe, wuri mai iska don guje wa danshi da zafin jiki.
Kariyar Muhalli: HPMC tana da lalacewa kuma baya gurɓata muhalli, amma duk da haka tana buƙatar amfani da ita daidai gwargwado don guje wa ɓarna.
Gwajin dacewa: Lokacin da aka ƙara zuwa tsarin hadaddun (kamar kayan shafawa ko magunguna), yakamata a gwada dacewa da sauran kayan aikin.
5. Amfanin HPMC
Ba mai guba ba, abokantaka na muhalli, babban aminci;
Ƙarfafawa, daidaitawa ga buƙatun aikace-aikace iri-iri;
Kyakkyawan kwanciyar hankali, zai iya adana aiki na dogon lokaci.
6. Matsalolin gama gari da mafita
Matsalar Agglomeration: Kula da ƙarin tarwatsawa yayin amfani da motsawa gabaɗaya a lokaci guda.
Dogon lokacin rushewa: Ana iya amfani da pretreatment na ruwan zafi ko injin motsa jiki don hanzarta rushewa.
Lalacewar aiki: Kula da yanayin ajiya don kauce wa danshi da zafi.
Ta amfani da HPMC a kimiyance da hankali, ana iya amfani da halayensa masu yawa don samar da ingantattun mafita ga masana'antu daban-daban.
Lokacin aikawa: Dec-10-2024