Cov khoom
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4,4′-(4,4′-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)/BPADA cas:38103-06-9
Bisphenol A diether dianhydride yog ntau yam thiab tseem ceeb tshuaj lom neeg siv dav hauv ntau yam lag luam.Peb cov khoom yog synthesized los ntawm ib tug meticulous txheej txheem, kom ntseeg tau nws siab purity thiab efficiency.Nrog nws tus lej CAS ntawm 38103-06-9, bisphenol A diether dianhydride muaj ntau qhov ua tau zoo hauv ntau daim ntawv thov, suav nrog kev tsim cov polymers, resins, thiab cov ntaub ntawv ua haujlwm siab.
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Tom ntej: Bisphenol AF CAS: 1478-61-1
Bisphenol AF, tseem hu ua 4,4'-hexafluoroisopropylidenebis (2,6-difluorophenol), yog cov tshuaj zoo tshaj plaws siv dav hauv ntau daim ntawv thov.Cov khoom no yog nrhiav-tom qab vim nws zoo heev kub tsis kam, tshuaj stability, thiab hluav taws xob zog.Bisphenol AF muaj cov qauv molecular ntawm C15H10F6O2 thiab molecular hnyav ntawm 350.23 g / mol.
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HPMDA / 1,2,4,5-Cyclohexanetetracarboxylic acid dianhydride cas: 2754-41-8
1,2,4,5-cyclohexanetetracarboxylic dianhydride, feem ntau abbreviated li CHTCDA, yog ib tug dawb crystalline khoom nrog ib tug tshuaj formula C10H2O6.Nws yog feem ntau siv los ua lub tsev thaiv hauv kev sib txuas ntawm cov khoom siv polymers thiab cov resins.Cov tshuaj no yog tsim los ntawm cov tshuaj tiv thaiv ntawm maleic anhydride thiab cyclohexane thaum lub sij hawm oxidation txheej txheem.
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4,4′-(Hexafluoroisopropylidene) diphthalic anhydride/6FDA CAS: 4415-87-6
4,4′-(Hexafluoroisopropylidene) diphthalic anhydride (CAS1107-00-2) yog ib qho zoo kawg nkaus compound uas tau txais kev muaj koob npe nrov hauv ntau yam kev tshawb fawb.Kuj hu ua hexafluorobutadiene, cov tshuaj no muaj cov qauv molecular tshwj xeeb uas muaj rau fluorine atoms khi rau hauv nruab nrab carbon atom.Qhov tshwm sim ntawm qhov muaj pes tsawg leeg no yog ib yam khoom tshwj xeeb nrog suav tsis txheeb siv thiab cov txiaj ntsig.
Nrog ib tug molecular mis ntawm C4F6, 4,4′-(Hexafluoroisopropylidene) diphthalic anhydride qhia tau zoo kawg li tshuaj stability thiab muaj ib tug boiling point ntawm -17.4°C. Cov tshuaj no yog soluble nyob rau hauv ntau yam ntawm cov organic solvents, ua rau nws hloov mus rau ntau yam kev sim.Nws tseem yog cov kua tsis muaj xim, tsis muaj tshuaj lom, ua kom muaj kev nyab xeeb thiab siv tau zoo.
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Cyclobutane-1,2,3,4-tetracarboxylic dianhydride/CBDA cas: 4415-87-6
Cyclobutanetetracarboxylic dianhydride, tseem hu ua CAS4415-87-6, yog ib qho ntshiab thiab ruaj khov organic compound uas pom kev siv dav hauv thaj chaw ntawm polymer chemistry, kws tshuaj, thiab textile industries.Nws cov qauv tshuaj lom neeg tshwj xeeb thiab cov yam ntxwv tshwj xeeb ua rau nws xaiv qhov zoo rau ntau cov txheej txheem.
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p-phenylenebis (trimellitate anhydride)) / TAHQ cas: 2770-49-2
p-phenylene-bistriphthalate dianhydride CAS 2770-49-2 yog cov tshuaj muaj txiaj ntsig zoo uas tau lees paub rau nws qhov zoo tshaj plaws thermal stability thiab hluav taws xob rwb thaiv tsev.Nrog rau qib purity ntau tshaj 99%, peb cov khoom tsim los ntawm cov txheej txheem tsim khoom zoo, ua kom muaj kev sib luag hauv kev ua tau zoo thiab kev ua haujlwm.Nws yog dav siv nyob rau hauv ntau yam lag luam xws li electronics, automotive, aerospace, thiab ntau yam ntxiv.Cov cuab yeej hluav taws xob zoo tshaj plaws ua rau nws tiv taus qhov hluav taws xob siab thiab tiv thaiv cov khoom siv hluav taws xob tsis zoo los ntawm kev puas tsuaj los ntawm hluav taws xob tawm lossis luv luv, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov xws li Circuit Court boards, insulating coatings, thiab connectors.
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4-Aminobenzoic acid 4-aminophenyl ester/APAB CAS: 20610-77-9
Para-aminobenzoic acid p-aminophenyl ester, tseem hu ua PABA ester, yog dawb, crystalline hmoov uas yog soluble hauv cov kuab tshuaj organic xws li ethanol thiab acetone.Nrog rau cov mis mos molecular ntawm C13H12N2O2, nws muaj qhov hnyav molecular ntawm 224.25 g / mol.Cov tshuaj no feem ntau yog siv los ua ib qho nruab nrab hauv kev tsim cov dyes, tshuaj, thiab UV absorbers.
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9,9-bis (4-aminophenyl) fluorene CAS: 15499-84-0
9,9-bis (4-aminophenyl) fluorene yog ib qho kev ua tau zoo uas muaj ntxhiab amine uas nthuav tawm cov thermal stability zoo heev thiab cov khoom tshwj xeeb.Nrog nws cov qauv zoo molecular, zoo ib yam, thiab siab purity, cov tshuaj sib xyaw no tsim cov qauv tshiab hauv kev ua tau zoo thiab kev ntseeg tau.
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9,9-Bis (3,4-dicarboxyphenyl) fluorene Dianhydride / BPAF CAS: 135876-30-1
9,9-bis (3,4-dicarboxyphenyl) fluorene dioic anhydride, feem ntau hu ua BDFA, yog cov tshuaj sib xyaw nrog cov mis molecular C32H14O6.Nrog rau qhov hnyav molecular ntawm 494.45 g / mol, qhov sib xyaw no yog qhov tshwj xeeb ruaj khov, siab melting point, thiab superior solubility nyob rau hauv ntau yam organic solvents.
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9.9-BIS(4-AMINO-3-FLUOROPHENYL) FLUORENE/FFDA CAS: 127926-65-2
9,9-bis (4-amino-3-fluorophenyl) fluorene, tseem hu ua FFDA, yog ib qho khoom siv tshuaj lom neeg uas tau txais txiaj ntsig tseem ceeb hauv xyoo tas los no.Nrog nws cov mis molecular C25H18F2N2, FFDA nthuav tawm qib siab purity, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov uas xav tau cov txiaj ntsig raug thiab raug.Nws qhov hnyav molecular ntawm 384.42 g / mol ua kom ruaj khov thiab ua haujlwm zoo ib yam hauv ntau qhov chaw.
Qhov sib xyaw no muaj qhov tshwj xeeb thermal stability, uas ua rau nws tuaj yeem tiv taus qhov kub thiab txias, ua rau nws tsim nyog rau kev siv hauv kev lag luam xws li electronics, aerospace, thiab automotive.Kev taw qhia ntawm ob pawg amino pawg ua ke nrog kev hloov pauv fluorine txhim kho nws cov tshuaj reactivity thiab ua rau nws muaj txiaj ntsig zoo hauv cov tshuaj tiv thaiv catalytic thiab kev sib txuas ntawm cov organic sib txuas tshwj xeeb.
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4,4'-oxydiphthalic anhydride/ODPA CAS: 1478-61-1
4,4'-oxydiphthalic anhydride, tseem hu ua ODPA, yog cov organic compound dav siv hauv ntau yam lag luam.Nws yog cov khoom siv dawb crystalline uas muaj cov cua sov zoo heev, tshuaj lom neeg ruaj khov, thiab hluav taws xob rwb thaiv tsev.ODPA feem ntau yog siv los ua lub tsev tseem ceeb hauv kev tsim cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob zoo.
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4,4′-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE/BAPS-M CAS: 30203-11-3
4,4′-bis (3-aminophenoxy) diphenylsulfone, tseem hu ua CAS 30203-11-3, yog ib tug zoo tshuaj compound uas pom nws kim heev nyob rau hauv txawv sectors ntawm kev lag luam.Qhov kev sib xyaw no yog tsim los siv cov txheej txheem tsim khoom siab heev thiab ua raws li cov qauv kev tswj hwm nruj kom paub meej purity thiab ua haujlwm tau zoo.