Indlela yokulungiselela i-amine light stabilizer ethintelweyo kunye nephakathi
INOMBOLO YEPATENT: ZL201710408973.2
UMXHOLO
Indlela yokulungiswa kokuthintela ukukhanya kwe-amine kuzinzisa i-N, N' -bis (2,2,6, 6-tetramethyl-4-piperidyl)-N, N '-diuronic alkyl diamine ngolu hlobo lulandelayo: i-4-formamide-2,2 , 6, 6-tetramethylpiperidine kunye ne-dibromothane zixutywe yi-reflux kunye ne-catalyst ye-1-24h, kwaye amanzi ongezwa ngokukhawuleza ngokukhawuleza.Imveliso yayifunyanwa emva kokuxutywa, ukupholisa, ukuhlanjwa, ukuhluzwa kunye nokomisa.
Phakathi kwazo, indlela yokulungiselela i-4-formamide-2,2,6, i-6-tetramethylpiperidine yile: 2,2,6, 6-tetramethylpiperidine, i-formamide, i-Lewis acid catalyst, i-agent ebophelelayo ye-alkali, ifakwe kwi-reaction reaction phantsi kwe-atmospheric. uxinzelelo lwe-1-24h.Imveliso yayifunyanwa emva kokuxutywa, ukupholisa, ukuhlanjwa, ukuhluzwa kunye nokomisa.
Inkqubo yokwenziwa koyilo ilula kwaye kulula ukuyisebenzisa, kwaye i-post-treatment ilungile;izinto ezifunekayo ekrwada, ii-catalysts kunye nezinyibilikisi kulula ukuzifumana.Yonke le nkqubo ihambelana nemigaqo yezoqoqosho, ikhuselekile kunye nokusingqongileyo, kwaye imveliso yemveliso iphezulu.
Indlela yokulungiselela i-amine ultraviolet absorber ethintelweyo
INOMBOLO YEPATENTE: ZL201910576883.3
UMXHOLO
Ukuveliswa kuveza indlela yokulungiselela i-amine UV absorber evaliweyo: xuba i-malonic acid kunye ne-pentamethylpiperidol, yongeza i-toluene njenge-solvent, yongeza i-catalyst, kwaye uphendule kwi-100℃-110℃ ye-6h.Ukusabela kuye kwamiswa xa umxholo we-asidi ye-malonic wawungaphantsi kwe-1%.Yehlisa iqondo lobushushu ukuya kwi-50℃, yongeza amanzi adityanisiweyo, ugxobhoze i-30min, emva koko wongeze inani elaneleyo le-cyclohexane kunye ne-anisaldehyde, xuba kwaye unyibilike, yongeza i-piperidine kunye ne-acetic acid, shushu ukuya kuthi ga kwi-70℃-80℃ ukuze uphendule, kwaye wohlule amanzi avelisiweyo. kwinkqubo yokusabela.Ukusabela kuye kwamiswa xa umxholo we-anisaldehyde wawungaphantsi kwe-1% kwisigaba solwelo.Isisombululo sokusabela sapholiswa ukuya kwi-5℃ kwaye saxutywa i-1h de isiqina sahlulwe ngokupheleleyo.Emva kokucoca, ukusabela kwahlanjululwa ngamaxesha e-3 inani le-ethanol kwaye yafumana imveliso.
Ubushushu be-amine uv absorber ethintelweyo kwinkqubo yokulungiselela abukho ngaphezulu kwe-110℃;uhlengahlengiso lokusabela luthambile;inkqubo yokusabela kulula ukuyilawula;kwaye ubunyulu bemveliso buphezulu;Inkqubo yokusabela kwangethuba ayinabungozi kumanzi, kwaye ifuna kuphela ukukhupha amanzi kwinkqubo xa ukusabela kusondele ekugqityweni, okugcina inkqubo yokusebenza.
Imveliso kunye nendlela yokulungiselela i-multi-effect thiether bisphenol acrylat antioxidant
INOMBOLO YEPATENT: ZL201910569404.5
UMXHOLO
Iimolekyuli ze-phenol acrylate ezininzi ezineempembelelo ze-antioxidant ziqulathe omabini amaqela aphambili athintelweyo e-phenol antioxidant, i-antioxidant thioether bond kunye nekhabhoni yokubamba iiradicals zasimahla ze-acrylic phenolic ester structure, ezisa kwi-triple effect syncretic kwimveliso kunye nokusetyenziswa kwezixhobo zepolymer.Oku bekuya kukhusela ngcono izixhobo zepolymer, kuthintelwe iimveliso zokuthotywa kunye nokwaluphala, ukusombulula ukungasebenzi kakuhle xa kusetyenziswa umsebenzi omnye we-antioxidant kwizinto zepolymer.Ngeli xesha, inkqubo ehambelanayo yokuphendula ubushushu kunye nokusetyenziswa kwamandla kuphantsi, kwaye ukuhluzwa kwemveliso kunokususwa ngaphandle kwamanzi amdaka, kunye nokuphinda kusetyenziswe isinyibilikisi, ngoko ke inkqubo i-eco-friendly.
Indlela yokulungiselela ukucoceka okuphezulu kwe-pentaerythritol yeplastiki encedisayo
INOMBOLO YEPATENT: 201910447473.9
UMXHOLO
Ukuveliswa kuveza indlela yokulungiselela ukucoceka okuphezulu kwe-pentaerythritol yeplastiki encedisayo, apho amanyathelo alandelayo: xuba amacandelo asebenzayo kunye ne-pentaerythritol, ukushisa ukuya kwi-100-150 ℃ kwaye uvuselele i-15min;yongeza i-dioctyl tin oxide, ubushushu ukuya kwi-170-190 ℃ emva kokuhlanjululwa kwe-nitrogen, qhubeka nokusabela kude kube yilapho umxholo wemveliso wokubona ulwelo ungasanyuki;yehlisa iqondo lobushushu ukuya kwi-150℃, yongeza i-xylene, qhubeka uwisa iqondo lobushushu ukuya kwi-100℃, emva koko wongeze i-monic acid ephantsi yesisombululo se-aqueous, i-100 ℃ ye-1h, yehla kwiqondo lokushisa;yongeza i-methanol, ivuse i-3-5h, kwaye imveliso enqabileyo eqinile yahluzwa ukufumana imveliso ecocekileyo emva kokuphinda kufakwe i-toluene.
Emva kokuba impendulo igqityiwe, i-asidi ephantsi ye-molecular-monic yongezwa ngokuthe ngqo kwi-reactant ukuze kuqhutywe ukusabela kwe-esterification kunye nokungcola okugutyungelwayo kunye ne-triplaced kwi-reactant, ukuze kunyibilike ukungcola kwaye kwahlule kwimveliso.Indlela ayifuni ukusebenzisa isixa esikhulu se-solvents kunye nemisebenzi emininzi ye-recrystallization, kwaye inesiphumo esihle sokususa ukungcola.
Indlela yokulungiselela i-6,6,12, i-12-tetramethyl-6, i-12-dihydroindene [1,2-b] i-fluorene
INOMBOLO YEPATENTE: ZL201610332457.1
UMXHOLO
Ukuveliswa kuveza indlela yokulungiselela i-6,6,12, i-12-tetramethyl-6, i-12-dihydroindene [1,2-b] i-fluorene.
Indlela iquka: ukudibanisa ukusabela: i-methyl o-bromobenzoate idibene ne-9, i-9-dimethyl su-2-boric acid ukuvelisa iikhompawundi njengoko kuboniswe kwiFomula M-1;Ukusabela okongeziweyo: i-compound eboniswe kwi-Formula M-1 yongezwa nge-methyl magnesium bromide, kwaye emva koko i-hydrolyzed ukwenza i-compound eboniswe kwi-formula M-2;Ukuphendulwa kwe-cyclization: phambi kwe-asidi, i-compound eboniswe kwifomula ye-M-2 iqhutywe ngebhayisikili kwaye iguqulwe ibe yi-6,6,12, i-12-tetramethyl-6, i-12-dihydroindene [1,2-b] i-fluorene njengoko kuboniswe kwifomula M. .
Ngokwendlela yokulungiselela ukuyila, inkqubo ilula kwaye kulula ukuyisebenzisa;Izinto eziyimfuneko zifumaneka lula ngexabiso eliphantsi;Isivuno ngama-77 ~ 88%, silungele imveliso enkulu.
