Hydroxypropyl sitaci ether (HPS)kumacellulose ethersu ne nau'ikan nau'ikan sinadarai guda biyu na gama gari, ana amfani da su sosai a cikin kayan gini, kamar turmi, foda, sutura, da sauransu. , tasirin aikace-aikacen, da farashi.
1. Raw kayan tushe da sinadaran tsarin
Hydroxypropyl sitaci ether (HPS)
HPS ya dogara ne akan sitaci na halitta kuma ana samun shi ta hanyar gyaran etherification. Babban albarkatunsa sune masara, alkama, dankali da sauran tsire-tsire na halitta. Kwayoyin sitaci sun ƙunshi raka'o'in glucose masu alaƙa da haɗin gwiwar α-1,4-glycosidic da ƙaramin adadin α-1,6-glycosidic bond. Bayan hydroxypropylation, an shigar da ƙungiyar hydroxypropyl hydrophilic a cikin tsarin kwayoyin halitta na HPS, yana ba shi wasu kauri, riƙewar ruwa da ayyukan gyarawa.
cellulose ether
Ana samun ethers na cellulose daga cellulose na halitta, kamar auduga ko itace. Cellulose ya ƙunshi raka'o'in glucose waɗanda ke da alaƙa da haɗin β-1,4-glycosidic. Common cellulose ethers sun hada da hydroxypropyl methylcellulose (HPMC), methylcellulose (MC), hydroxyethyl cellulose (HEC), da dai sauransu Wadannan mahadi gabatar daban-daban substituents ta hanyar etherification halayen da kuma samun mafi girma sinadaran kwanciyar hankali da kuma jiki Properties.
2. Kaddarorin jiki
Halayen ayyuka na HPS
Kauri: HPS yana da sakamako mai kauri mai kyau, amma idan aka kwatanta da ether cellulose, ƙarfin ƙarfinsa ya ɗan yi rauni.
Riƙewar ruwa: HPS yana da matsakaicin riƙewar ruwa kuma ya dace da ƙananan kayan gini na tsaka-tsaki.
Ƙarfafa aiki: HPS na iya inganta aikin turmi da kuma rage sagging yayin gini.
Juriya na zafin jiki: HPS yana da matukar damuwa ga zafin jiki kuma zafin yanayi yana tasiri sosai.
Ayyukan aiki na ethers cellulose
Thickening: Cellulose ether yana da tasiri mai ƙarfi mai ƙarfi kuma yana iya ƙara yawan danko na turmi ko putty.
Riƙewar ruwa: Cellulose ether yana da kyawawan abubuwan riƙe ruwa, musamman a cikin yanayin zafi mai zafi, wanda zai iya tsawaita lokacin buɗewar turmi kuma ya hana asarar ruwa mai yawa.
Ƙarfafa aiki: Cellulose ether yana da kyau a inganta aikin aiki kuma yana iya rage matsalolin da ya dace kamar fashewa da foda.
Juriya na zafin jiki: Cellulose ether yana da ƙarfin daidaitawa ga canje-canjen zafin jiki da ingantaccen aiki.
3. Tasirin aikace-aikace
Tasirin aikace-aikacenHPS
A cikin busassun turmi, HPS galibi yana taka rawa na haɓaka iya aiki, haɓaka riƙe ruwa, da rage rarrabuwa da rarrabuwa. Yana da tattalin arziƙi kuma ya dace don amfani a cikin al'amuran tare da buƙatun sarrafa farashi mai girma, kamar talakawa na ciki bango putty foda, bene matakin turmi, da dai sauransu.
Tasirin aikace-aikacen cellulose ether
Cellulose ethersana amfani da su sosai a cikin manyan turmi, mannen tayal, kayan tushen gypsum da tsarin rufin bango na waje. Its m thickening da ruwa riƙe kaddarorin iya muhimmanci inganta bonding ƙarfi da anti-zamewa yi na abu, kuma shi ne musamman dace da ayyukan da high bukatun a kan yi yi da kuma gama samfurin ingancin.
4. Kudi da kare muhalli
farashi:
HPS yana da ƙananan farashi kuma ya dace don amfani a kasuwanni masu saurin farashi. Cellulose ethers suna da tsada sosai, amma suna da kyakkyawan aiki kuma suna da tsada a cikin buƙatar ayyukan gini.
Kariyar muhalli:
Dukansu an samo su ne daga kayan halitta kuma suna da kyawawan kaddarorin muhalli. Koyaya, saboda ƙarancin reagents masu sinadarai ana cinye su a cikin tsarin samarwa na HPS, nauyin muhallinsa na iya zama ƙasa da ƙasa.
5. Tushen zaɓi
Bukatun aiki: Idan kuna da manyan buƙatu don kauri da kaddarorin riƙe ruwa, ya kamata ku zaɓi ether cellulose; don kayan da ke da tsada amma suna buƙatar wasu haɓakawa a cikin iya aiki, zaku iya la'akari da amfani da HPS.
Abubuwan da ake amfani da su: Gine-gine mai zafi, rufin bango na waje, mannen tayal da sauran al'amuran da ke buƙatar goyon bayan babban aiki sun fi dacewa da ether cellulose; don tsaka-tsakin bangon ciki na yau da kullun ko turmi na asali, HPS na iya samar da hanyoyin tattalin arziki da aiki.
Hydroxypropyl sitaci etherkumacellulose ether kowannensu yana da nasa fa'ida kuma suna taka rawa daban-daban a cikin kayan gini. Zaɓin yana buƙatar yin la'akari da shi gabaɗaya bisa ga buƙatun aikin, sarrafa farashi, yanayin gini da sauran abubuwan takamaiman aikin don cimma mafi kyawun tasirin amfani.
Lokacin aikawa: Nuwamba-21-2024