Iindaba zeShishini
-
Zithini iingozi zempilo ze-ethanol?
Iingozi kwimpilo ye-Ethanol Iindlela zokuvezwa: Ingangena emzimbeni ngokuphefumla umphunga, ukuginya, okanye ukufunxwa lusu. Iingozi kwimpilo ngokubanzi: I-Ethanol isebenza kakhulu kwinkqubo yemithambo-luvo ephakathi, ibangele ukuvuseleleka kokuqala kulandele ukudakumba. I-Ethanol Acute Poisoning: Idla ngokuvela kwi-exc...Funda ngokugqithisileyo -
I-Shandong Pulisi Chemical Co., Ltd iza kubonisa kwi-UzChemPlast Expo ka-2026 eTashkent.
I-Shandong Pulisi Chemical Co., Ltd iza kubonisa kwi-UzChemPlast Expo ka-2026 eTashkent I-Shandong Purex Chemicals Co., Ltd., umdlali ophambili kwimveliso yamachiza esemgangathweni, izimisele ukuthatha inxaxheba kwi-15th UzChemPlast Expo—umsitho obalulekileyo wase-Uzbekistan kwimizi-mveliso yamakhemikhali kunye neplastiki—oza kwenzeka...Funda ngokugqithisileyo -
Yintoni i-ethanol?
I. Ulwazi lweMveliso kunye nokuChonga isiNgesi Igama: I-Ethyl Alcohol; I-Ethanol Chemical Formula: C₂H₆O Ubunzima beMolekyuli obuhambelanayo: 46.07 Inombolo yoBhaliso lweCAS: 64-17-5 Ulwakhiwo lweKhemikhali: CH₃CH₂OH Udidi lweNgozi: Udidi 3.2 Ulwelo oluTshayo (Indawo ePhantsi yokuKhanya) Udidi lweKhemikhali: Utywala II. Ulwakhiwo kunye...Funda ngokugqithisileyo -
Indlela yokwahlula i-anhydride ye-maleic emva kokwenziwa kwe-esterification?
Ukulungiswa kunye noKwahlulwa Emva kokwenziwa kwe-ester, ukulungiswa kuyadingeka ukuze kwahlulwe i-anhydride ye-maleic kwimveliso ezingaphantsi kwayo. Le nkqubo ifuna izixhobo ezizinzileyo kunye nemisebenzi emiselweyo. I-anhydride ye-maleic eyahlukileyo emva koko idlula ekomeni ngakumbi, iguqulwe umbala, kwaye isuswe ukungcola ...Funda ngokugqithisileyo -
Zithini iimeko zokusabela kunye nokusabela kwe-esterification ye-maleic anhydride?
Ulawulo lweMeko yokusabela kwi-Maleic Anhydride I-Maleic anhydride iveliswa zii-oxidation reactions, ezineemeko ezibalulekileyo eziquka ubushushu, ixesha, kunye noxinzelelo. Iiparameter eziqhelekileyo zezi: ubushushu obuphakathi kwe-170–220°C, ixesha lokuphendula leeyure ezi-2–6, kunye noxinzelelo lwe-1–3 MPa. Ezi parameters kufuneka zibe...Funda ngokugqithisileyo -
Ungayikhetha njani i-catalyst ye-anhydride ye-maleic?
Ukukhethwa kweCatalyst yeMaleic Anhydride Iimpendulo ze-oxidation kwimveliso ye-maleic anhydride zixhomekeke kwi-catalysts; iindlela ezisetyenziswa kakhulu ziityuwa ze-organic kunye neetyuwa ze-ammonium. Ukukhethwa kweCatalyst kufuneka kuthathele ingqalelo umsebenzi, uzinzo, kunye neendleko. Ukongeza, uxinzelelo kunye nomthamo we-catalyst kufuneka...Funda ngokugqithisileyo -
Zithini iimfuno zokukhetha izinto eziluhlaza ze-anhydride ye-maleic?
I-anhydride ye-maleic yikhemikhali ebalulekileyo ye-organic, esetyenziswa kakhulu kumashishini afana neplastiki, irabha, ii-coating, kunye namayeza. Nazi iimfuno zobugcisa zokuveliswa kwayo: Ukukhethwa kwezinto eziluhlaza Izinto eziphambili ze-anhydride ye-maleic yi-benzene kunye ne-acetic acid. I-Benzene kufuneka...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride ye-maleic kwimizi-mveliso yokwenza amaphepha kunye namayeza?
Ishishini Lokwenza Amaphepha. Iiresini ze-maleic anhydride eziguqulwe yi-MA zisetyenziswa njengeearhente zonyango lwephepha; i-maleic anhydride i-MA-modified rosin (i-maleated rosin) yiarhente yokulinganisa yangaphakathi. I-Fumaric acid-modified rosin gum (iarhente yokulinganisa i-acid esetyenziswa kakhulu) iphucula uzinzo lwephepha nge-oxidation egqwesileyo kunye...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride ye-maleic kwishishini lempahla?
Izincedisi zeLaphu. Isithambisi esidityanisiweyo (esisekelwe kwi-ester ye-thiodisuccinic acid ende, eyenziwe kwi-MA maleic anhydride kunye ne-stearyl alcohol) sisetyenziselwa ukuthambisa umqhaphu, isilika, kunye namalaphu e-polyester. I-MA ikwasetyenziselwa ukwenza ii-agents zokwenza mhlophe ezikhanyayo kunye nezisasazi zedayi zokuprinta...Funda ngokugqithisileyo -
Iyintoni impembelelo ye-anhydride ye-maleic kwi-plasticizers?
Iiplastiki. I-dibutyl maleate ethathwe kwi-anhydride ye-Maleic kunye ne-dioctyl maleate zizinto ezibalaseleyo zeplastiki zangaphakathi zeplastiki. I-anhydride ye-Hexahydrophthalic kunye ne-diphenyl maleate (eyenziwe kwi-anhydride ye-MA Maleic) zizinto ezisebenza kakhulu ngaphandle zeplastiki. Ishishini lokutya. I-Fumaric acid (evela kwi-anhydride ye-MA Maleic...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride ye-maleic kwimithi yokubulala iintsholongwane kunye neengubo?
Kwizinto zokugquma, i-anhydride ye-maleic isebenza njengecandelo elenza ifilimu kwizinto zokugquma ezisekelwe emanzini, ezisekelwe kwi-oyile, kunye nezokwenziwa (umz., i-alkyd, i-polyester, i-maleic anhydride-modified rosin, kunye ne-tung oil-maleic acid resins). Izibulali-zinambuzane. I-Malathion (eyenziwe kwi-maleic anhydride kunye ne-P205) ayisiyongozi kangako...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride yama-maleic kwi-Synthetic Resins?
IiResins zokwenziwa I-anhydride yeMaleic idibana neepolyols (ilandelwa yi-cross-linking ene-styrene) ukuze yenze ii-resins ze-polyester ezingagcwaliyo (UPR), i-resin ye-thermosetting. I-UPR yahlulwe yaba ziiplastiki eziqiniswe ngefayibha (i-FRP, eyaziwa ngokuba yiplastiki eqiniswe ngefayibha) kunye neeplastiki ezingaqinisiweyo. I-FRP i...Funda ngokugqithisileyo