Mokhoa oa ho lokisa oa "amine light stabilizer" o thibetsoeng le oa mahareng
Nomoro ea PATENT: ZL201710408973.2
TS'ELISO
Mokhoa oa ho lokisa oa amine light stabilizer e sitisang N,N' -bis (2,2,6, 6-tetramethyl-4-piperidyl)-N,N '-diuronic alkyl diamine e tjena: the 4-formamide-2,2 , 6, 6-tetramethylpiperidine le dibromothane li ile tsa tsosoa ke reflux le catalyst bakeng sa 1-24h, 'me metsi a kenngoa butle-butle hang-hang.Sehlahisoa sena se ne se fumanoa ka mor'a ho sisinngoa, ho pholile, ho hlatsuoa, ho sefa le ho omisoa .
Har'a tsona, mokhoa oa ho lokisetsa oa 4-formamide-2,2,6, 6-tetramethylpiperidine ke: 2,2,6, 6-tetramethylpiperidine, formamide, Lewis acid catalyst, e tlamang alkali agent, e ile ea kenngoa karabelong ea mocheso tlas'a sepakapaka. khatello ea 1-24h.Sehlahisoa sena se ne se fumanoa ka mor'a ho sisinngoa, ho pholile, ho hlatsoa, ho sefa le ho omisoa.
Mokhoa oa ho qaptjoa oa ho qaptjoa o bonolo ebile o bonolo ho o sebetsa, 'me phekolo ea morao-rao e loketse;lisebelisoa tse tala tse hlokahalang, li-catalyst le li-solvents li fumaneha habonolo.Ts'ebetso eohle e lumellana le melao-motheo ea moruo, e sireletsehileng le e nang le tikoloho, 'me lihlahisoa tsa lihlahisoa li phahame.
Mokhoa oa ho lokisa oa amine ultraviolet absorber
Nomoro ea PATENT: ZL201910576883.3
TS'ELISO
Moqapi o senola mokhoa oa ho lokisa oa amine uv absorber e thibetsoeng: kopanya malonic acid le pentamethylpiperidol, eketsa toluene e le solvent, eketsa catalyst, 'me u arabe ka 100℃-110℃ bakeng sa 6h.Karabelo e ile ea emisoa ha litaba tsa asiti ea malonic li le tlase ho 1%.Lahlela mocheso ho 50 ℃, eketsa metsi a hloekisitsoeng, hlohlelletsa bakeng sa 30min, ebe u eketsa palo e lekaneng ea cyclohexane ka anisaldehyde, hlohlelletsa le ho qhala, eketsa piperidine le acetic acid, futhumatsa ho fihlela ho 70 ℃ -80 ℃ bakeng sa ho arabela, 'me u arole metsi a hlahisoang. ts'ebetsong ea ho arabela.Karabelo e ile ea emisoa ha litaba tsa anisaldehyde li ne li le tlase ho 1% molemong oa mokelikeli.Tharollo ea karabelo e ile ea pholile ho 5 ℃ 'me e tsosoa bakeng sa 1h ho fihlela solidi e arohane ka ho feletseng.Kamora ho sefa, karabelo e ile ea hloekisoa ka makhetlo a 3 ho feta palo ea ethanol mme ea fumana sehlahisoa.
Thempereichara ea "amine UV" e sitisoang nakong ea ho lokisa ha e phahametse 110 ℃;phetoho ea karabelo e bonolo;mokhoa oa ho itšoara o bonolo ho o laola;'me bohloeki ba sehlahisoa bo phahame;Mokhoa oa pele oa ho itšoara ha o nahane ka metsi, 'me o hloka feela ho ntša metsi ka har'a tsamaiso ha karabelo e le haufi le ho phethoa, e leng ho bolokang ts'ebetso ea ts'ebetso.
Sehlahisoa le mokhoa oa ho lokisa oa multi-effect bisphenol acrylat antioxidant
Nomoro ea PATENT: ZL201910569404.5
TS'ELISO
Phenol acrylate multi-effect antioxidant limolek'hule e na le lihlopha tse peli tse ka sehloohong tse sitisang phenol antioxidant bond le li-radicals tsa mahala tsa khabone tsa sebopeho sa acrylic phenolic ester, se tlisang phello e meraro ea syncretic tlhahiso le ts'ebeliso ea thepa ea polymer.Sena se ka be se sireletsa lisebelisoa tsa polymer hamolemo, ho qoba lihlahisoa tsa ho senyeha le botsofali, ho rarolla ts'ebetso e mpe ha ts'ebetso e le 'ngoe ea antioxidant e sebelisoa lisebelisoa tsa polymer.Ho sa le joalo, ts'ebetso e ts'oanang ea ho lokisa mocheso le ts'ebeliso ea matla e tlase, 'me ho sefa ka sehlahisoa ho ka ntšoa ntle le metsi a litšila, le ho etsa solvent, kahoo ts'ebetso e sebetsa hantle.
Mokhoa oa ho lokisa bakeng sa bohloeki bo phahameng ba pentaerythritol polasetiki e thusang
PATENT NUMBER: 201910447473.9
TS'ELISO
Ho qaptjoa ho senola mokhoa oa ho itokisa bakeng sa thuso ea polasetiki ea pentaerythritol e phahameng ea bohloeki, eo mehato e latelang e latelang: kopanya likarolo tse sebetsang le pentaerythritol, mocheso ho fihlela ho 100-150 ℃ le ho hlohlelletsa 15min;eketsa dioctyl tin oxide, mocheso ho 170-190 ℃ ka mor'a ho hloekisoa ha naetrojene, tsoela pele ka karabelo ho fihlela sehlahisoa sa sehlahisoa sa mokelikeli se se se sa eketseha;theola mocheso ho 150 ℃, eketsa xylene, tsoela pele ho theola mocheso ho 100 ℃, ebe o eketsa tharollo e tlaase ea molek'hule ea monic acid, e tsosang ka 100 ℃ bakeng sa 1h, theohela mocheso oa kamore;eketsa methanol, hlohlelletsa bakeng sa 3-5h, 'me sehlahisoa se tiileng sa mahoashe se ile sa tlhotloa ho fumana sehlahisoa se hloekileng ka mor'a hore se hloekisoe ka toluene.
Ka mor'a hore karabelo e phethoe, acid e tlaase-molek'hule-monic e ile ea eketsoa ka ho toba ka har'a reactant ho etsa esterification reaction le litšila tse ka tlosoang le tse tharo ho reactant, e le ho qhala litšila le ho li arola ho sehlahisoa.Mokhoa ha o hloke ho sebelisa li-solvents tse ngata le ts'ebetso e mengata ea recrystallization, 'me e na le phello e ntle ea ho tlosa litšila.
Mokhoa oa ho lokisetsa 6,6,12, 12-tetramethyl-6, 12-dihydroindene [1,2-b] fluorene
Nomoro ea PATENT: ZL201610332457.1
TS'ELISO
Ho qaptjoa ho senola mokhoa oa ho lokisetsa 6,6,12, 12-tetramethyl-6, 12-dihydroindene [1,2-b] fluorene.
Mokhoa ona o kenyelletsa: ho kopanya ho itšoara: methyl o-bromobenzoate e kopantsoe le 9, 9-dimethyl su-2-boric acid ho hlahisa metsoako joalokaha ho bontšoa ho Foromo ea M-1;Phello e eketsehileng: motsoako o bontšitsoeng ka Foromo ea M-1 e kenngoa ka methyl magnesium bromide, ebe e kenngoa ka hydrolyzed ho etsa motsoako o bontšitsoeng ka mokhoa oa M-2;Karabelo ea cyclization: ka boteng ba asiti, motsoako o bontšitsoeng ka foromo ea M-2 e tsamaisoa ka libaesekele ebe e fetoloa 6,6,12, 12-tetramethyl-6, 12-dihydroindene [1,2-b] fluorene joalo ka ha ho bonts'itsoe foromong M. .
Ho ea ka mokhoa oa ho itokisa oa ho qaptjoa, mokhoa ona o bonolo ebile o bonolo ho o sebetsa;Thepa e tala e hlokahalang e fumaneha habonolo ka theko e tlase;Poelo ke 77 ~ 88%, e loketse tlhahiso e kholo.
