Menene dankan da ya dace da hydroxypropyl methylcellulhin -yl methylcellulhin (hpmc)?
Putty Foda shine yuan 100,000 yuan, kuma ana buƙatar yuan 150 don amfani mai sauƙi. Haka kuma, mafi mahimmancin aikin hpmc shine riƙe ruwa, da lokacin farin ciki. In the putty powder, as long as the water retention is good and the viscosity is low (70,000-80,000), it is also possible. Tabbas, mafi girman danko, mafi kyawun ƙwararrun iyayen ruwa. Lokacin da danko ya wuce 100,000, danko zai shafi riƙewar ruwa. Ba da yawa ba.
Waɗanne hanyoyin rushewar Hydroxypropyl methylcellulhinlulhin (hpmc)?
(1) fararen fata: Kodayake Ba'idu ba zai iya sanin ko HPMC yana da sauƙin amfani ba, kuma idan an kara wa wakilan da aka girka a lokacin aiwatar da samarwa, da ingancin zai shafa. Koyaya, yawancin samfuran kyawawan kayayyaki suna da farin fari.
(2) Fari-zangar: fa'idar HPMC gabaɗaya tana da raga 80 da miliyan tamanin, da raga 120 ƙasa da ƙasa. Yawancin HPMC sun samar a Hebei 80 raga. Da finer mafi kyau, gaba daya magana, mafi kyau.
(3) Wayar Haske: Sanya Hydroxypoyletl Methyllulhin -yl methylcellulhopyl (hpmc) cikin ruwa don samar da murhun fili mai fili, kuma duba hasken sa hasken. Mafi girman hasken transmitance, mafi kyau, wanda ke nuna cewa akwai kasala a ciki. . Rashin daidaituwa na atistical shine mai kyau gabaɗaya, kuma na kwance a kwance shine mafi muni, amma wannan ba yana nufin cewa ingancin masu ƙima ba su da kyau fiye da na masu gyara a tsaye, kuma ingancin samfurin an ƙaddara shi da abubuwa da yawa. (4) takamaiman nauyi: mafi girma takamaiman nauyi, mafi kyau sosai. Halin da yake da yawa, gabaɗaya saboda abin da ke cikin ƙungiyar hydroxypyl a cikin yana da girma, kuma abun riƙe Hydroxypropyl yana da kyau, mai riƙe ruwa ya fi kyau.
Mene ne babban aikin aikace-aikacen HPMC a cikin foda, kuma yana faruwa a kimantawa?
A cikin Putty foda, HPMC yana wasa da matsayi uku na thickening, riƙewar ruwa da gini.
Thicking: Cellulose na iya yin farin ciki da dakatar da kiyaye rigar mafita sama da ƙasa, kuma tsayayya da sahunging.
Rikewar ruwa: yin petty foda bushe sannu a hankali, kuma taimaka wa Ash alli a cikin aikin ruwa.
Gina: Cellulose yana da tasirin lubricating, wanda zai iya yin perty foda yana da kyakkyawan gini. HPMC ba ta shiga cikin kowane halayen sunadarai ba, amma kawai suna wasa da rawar taimako. Dingara ruwa a cikin foda na putty kuma sanya shi a kan bango shine hakar sinadarai, saboda an kafa sabbin abubuwa. Idan ka cire foda a jikin bango daga bango daga bango, kuma ka sake amfani dashi, ba zai sake aiki ba saboda sabbin abubuwa (carbonate) an kafa. ) kuma.
Babban aka gyara Ash Foda na Ash shine: cakuda CA (OH) 2, OH) 20 CO2 = Caco3 20.H kanta.
Dangantaka tsakanin danko da zazzabi na HPMC, abin da ya kamata a ba da hankali ga aikace-aikacen amfani?
Dalicin HPMC yana da girman kai ga zazzabi, wato, vecolity shine yana ƙaruwa kamar yadda zafin jiki ya ragu. Dangin samfurin da muke magana da shi yana nufin sakamakon gwajin na 2% a cikin zazzabi na 20 digiri Celsius.
A cikin aikace-aikace aikace-aikace, ya kamata a lura cewa a cikin yankunan da ke da bambance-bambance na zazzabi tsakanin bazara da hunturu, ana bada shawarar yin amfani da ƙarancin danko a cikin hunturu, wanda ya fi dacewa da aikin gini. In ba haka ba, lokacin da yawan zafin jiki ya ragu, da danko na sel zai ƙaru, da hannu jin zai zama mai nauyi lokacin da scraping.
Tsakiyar danko: 75000-100000 galibi ana amfani da shi don putty
Dalili: Riƙewa ta Ruwa
Babban danko: 150000-200000 ana amfani dashi musamman don polystrene barbashi innullen runt roba da kuma rufin microdad.
Dalili: Babban danko, turmi ba mai sauƙin fada ba, sagging, wanda ke inganta aikin.
Lokaci: Mayu-18-2023