N - vinyl-2-pyrrolidone CASE 88-12-0

Shaanxi Bloom Tech Co., Ltd. yog ib qho ntawm cov neeg tsim khoom lag luam thiab cov muag khoom ntawm n {} Vinyl {}} 2-pyrrolidone CASE 88-12-0 nyob rau hauv Suav teb. Txais tos rau kev lag luam wholesale?-Vinyl-2-pyrrolidone CASE CASE 88-12-0 rau muag ntawm no los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab tus nqi tsim nyog muaj.

N - vinyl-2-pyrrolidone(NVP) yog ib qho tsis muaj xim daj ua rau daj ntseg daj ua kua nrog lub plab liab qab am,} zoo li cov yam ntxwv tsw ntxhiab. Raws li ib qho tseem ceeb organic sib xyaw, nws cov qauv molecular muaj cov pab pawg vinyl thiab cov nplhaib polacerly imide thiab muaj peev xwm heev. Nws tuaj yeem siv rau ob hom homopolymerization thiab copolymerization nrog ntau cov monomers. Vim nws txoj kev lom zem ua haujlwm zoo, thiab cov khoom lag luam zoo ntawm NVP lus dag nyob rau hauv cov synthesis ntawm nws homopolymer polyvinylprolidone (PVP). Qhov siab siab -}} molecular polymer yog siv los ua tshuaj lom neeg} Hauv kev lag luam tshuaj txhua hnub, nws yog ib zaj yeeb yaj kiab tsis tseem ceeb {{7} mive duab thiab stabililizer nyob rau hauv cov khoom noj plaub hau thiab tu cov khoom plaub hau thiab tu tawv nqaij. Ntxiv mus, nws yog dav siv nyob rau hauv UV teeb {{9} Tus txheej txheem tshwj xeeb, thiab ua kom pom cov tshuaj zoo, ua kom pom cov txiaj ntsig loj.

1. Acetylene txoj kev:

Thaum ntxov li 1943, W reppe saws nws. Cov tshuaj tiv thaiv txheej txheem yog raws li hauv qab no:

Raws li cov tshuaj tiv thaiv hluav taws xob, cov tshuaj tiv thaiv tuaj yeem faib ua ob theem. In the first stage, pyrrolidone potassium salt is produced, which is the catalyst for the subsequent two-step reaction. Nyob rau theem no, txhawm rau tiv thaiv lub nplhaib qhib ntawm pyrrolidone los ntawm kev tsim cov poov tshuaj 4} Am1} Am6 8}} Am6 8}} Am6 8}} Am6 8}} Am6 8}} Am6 8}} Am6 8}} Am1butyrate, nqus thiab nitrogen thiab nitrogen siv rau lub cev qhuav dej. Cov theem no tau ua tiav cov sib quas ntus. Thaum lub cev qhuav dej ua tiav, theem ob tuaj yeem nqa tawm tsis tu ncua. Tus ib {13} Txoj kev hloov pauv ntawm pyrrolidone yog 66.6% thiab kev xaiv tau 90%. Kev ua haujlwm txuas ntxiv tuaj yeem pom tau los ntawm hloov cov potassium hydroxide nrog cov hlau alkali. Ib txoj kev hloov pauv ntawm pyrrolidone yog 47% ~ 62%, kev xaiv tau 90%, thiab tag nrho cov txiaj ntsig ntawm NVP yog ntau tshaj 90%.

2. Transterification thiab Ethaws Txauv:

Hauv DMF cov kuab tshuaj, nyob rau hauv muaj ntawm pdcl2 {2} ethe etherite catalyst, Pyrrolidone tau sib pauv nyob rau hauv 88.5% tawm los ntawm 100c cov tshuaj tiv thaiv kub. Nyob rau hauv muaj ntawm PDC12 daim lai morml catalyst, pyrrolidone tau hnov ​​nrog vinyl acetate kom tau

Txawm li cas los, tawm los 87%, thiab cov khoom tsis yooj yim kom huv si.

3.1, {- butyrolactone amine hydrolysis:

• Cov tshuaj tiv thaiv aminolysis ntawm butyrolactone thiab ethanolamine zoo ib yam li cov tshuaj tiv thaiv nruab nrab ntawm r {} {0} {0} {0} {0} { Cov kev tshawb fawb ntawm Hatada li Al kuj muaj feem xyuam rau - Lub suab paj nruas amination, ib co kev hloov kho amination ntawm butyoly thiab ethanolamine muaj catalytic kev ua ub no. Kulkarni tseem muaj cov lus qhia zoo sib xws.

Cov tshuaj tiv thaiv cov tshuaj tiv thaiv yog hydroxyethyl pyrrolidone (NHP), thiab hloov pauv ntawm cov ntaub ntawv ntawm cov ntaub ntawv, KY, thiab lwm yam.

3.2, {- butheryrolactone indirect lub cev qhuav txheej txheem halogenation:

Txoj kev halogenation yog ua kom cov pab pawg hydroxyl hauv NHOLYENATIONS tus neeg sawv cev los tsim cov tshuaj tiv thaiv Haloethylrolidone, thiab tom qab ntawd cov khoom nVP yog tau los ntawm cov khoom siv hluav taws xob cua sov ntawm haloethylprolidone. Cov lus halogenating cov neeg sawv cev siv tau yog cov tshuaj tsw qab, yog li txo cov khoom siv rawv, thiab ntau cov alkali tau noj nyob rau hauv cov txheej txheem kev tshuaj tiv thaiv.

3.3, {{- txoj kev catalytic rau kev ncaj qha dehydration ntawm Buthydration:

- Lub cev qhuav dej ncaj qha ntawm buthydration ntawm buthennactone catalyzed by - Cov Khoom Siv Nruab Nrab ntawm Buthation ntawm Buthation ntawm Buthation ntawm Buthation ntawm Butherolactone thiab tom qab ntawd lub cev qhuav dej ncaj qha. Tus tseem ceeb ntawm NHP lub cev qhuav dej yog los npaj catalyst. W. Schanizer Et al . 9] Tshaj tawm tias nyob rau hauv cov kev tshwm sim ntawm 300-340C, 1.33 X 10pax-1 roj oug txaus tus nqi,N - vinyl-2-pyrrolidoneNrog cov txiaj ntsig ntawm 64% tuaj yeem tau los ntawm kev siv ua kom nquag ua txhuas li cov dehydration catalyst rau gaseous nhp reactants. Tus nqi NHP tsawg dua feem ntau yog vim yog cov tsis muaj kev ruaj khov ntawm cov nquag ua kom yooj yim txhuas, uas yog qhov ua tsis tau zoo thiab yuav tsum ua haujlwm ntawm lub siab tsis tshua muaj siab. Pine Scikuo li al. Ob lossis ntau hom oxides muaj cov hmoov txhuas, Tin, Titanium, sificon thiab hafnium tau tsim raws li lub cev qhuav rau kev txhim kho. Zirconia, tinide catalysts muaj ob qho chaw acidic thiab yooj yim, nrog muaj zog catalytic kev ua si thiab siab nvp xaiv, txog li 90%. Ntxiv mus, qhov catalyst muaj cov acidity me ntsis thiab alkalinity, uas haum rau catalytic lub cev qhuav dej ntawm NHP. Qhov saum npoo ntawm catalystion tsis muaj qhov chaw ruaj khov, thiab cov nplaim hluav taws xob tsis yooj yim rau lub neej, yog li ntawd, kev tsim yooj yim, thiab tuaj yeem muaj kev muaj kev muaj kev cia siab.

N - vinylprolidone (NVP) yog ib qho tseem ceeb organic compound nrog cov tshuaj mis c ₆ tsis yog. Nws yog cov kua tsis muaj kob uas yog qhov tsis pub dhau nrog ntau cov kuab tshuaj xws li dej, ethanous yooj yim nrog lwm ethylene tebchaw. Nws cov tshuaj tshwj xeeb thiab cov tshuaj tiv thaiv zoo ua kom nws tau siv dav hauv ntau daim teb. Kab lus no yuav muab cov lus qhia ntxaws ntxaws rau cov ntawv thov tshwj xeeb ntawm n {4 4}} vinylprolidone hauv ntau thaj teb.

Daim Ntawv Thov Hauv Kev Lag Luam Yas

 

(1) UV Consable Txheej Txheej Muaj Nquag
Hauv kev lag luam yas, NVP feem ntau siv los ua kev zam rau UV cov txheej txheem capable. Nyob rau hauv UV kho cov txheej txheej txiav, oligomers feem ntau muaj viscosity siab thiab xav tau kev sib ntxiv ntawm cov monomers los kho viscosity. NVP yog ib qho ntawm cov kev mob siab ua haujlwm. Nws muaj kev sib zog zoo, uas tuaj yeem txo cov viscosity ntawm txheej, thaum nce qhov yooj ntawm zaj duab xis thiab txhim kho cov nplaum ntawm txheej. Ntxiv NVP kom muaj hluav taws xob cov tshuaj kho mob tuaj yeem txhim kho tus nqi elongation, tso cai rau cov duab yas uas muaj zog ntxiv, kev kho cov khoom siv ntau yam rau cov khoom lag luam yas.

(2) Npaj cov yeeb yaj kiab yas
NVP tseem tuaj yeem koom nrog hauv kev npaj cov yeeb yaj kiab yas nrog cov khoom tshwj xeeb. Piv txwv li, thaum npaj cov yeeb yaj kiab yas uas xav tau kev hloov kho lub cev, xws li cov ntaub ntawv ntim lub cev, xws li cov ntaub ntawv ntim khoom, ntxiv rau cov ntaub ntawv ntim khoom, hluav taws xob tiv thaiv cov yeeb yaj kiab, thiab lwm yam.

Daim Ntawv Thov hauv Kev Lag Luam Ntoo

 

(1) UV Resistant Txheej Ntxiv
Hauv kev lag luam ntoo,N - vinyl-2-pyrrolidonefeem ntau ntxiv rau anti UV coated. Nyob rau hauv cov rooj tog kev lag luam, txhim kho cov khoom lag luam, txhim kho cov khoom lag luam, thiab txo qis ntawm ib puag ncig cov pa phem yog qhov kev txhawb nqa loj rau kev siv cov tsho tiv no loj. Nyob rau hauv cov ntoo av kev lag luam, ntxiv nvp rau anti UV co coings tuaj yeem muab cov khoom siv lub cev sib npaug rau cov ntawm cov av dawb flooring. Nws tuaj yeem txhim kho cov nplaum thiab cov khoom siv ua kom zoo dua qub rau cov ntoo uas tsis kam rau ntawm cov ntoo ntoo, thiab txo cov teeb meem ntoo xws li cov ntoo fading thiab kev laus los ntawm ultraviolet hluav taws xob.

(2) txhim kho kev ua tau zoo ntawm cov ntoo
Ntxiv rau kev txhim kho UV tiv taus, NVP tseem tuaj yeem txhim kho lwm qhov khoom ntawm ntoo txheej txheem ntoo. Piv txwv li, nws tuaj yeem txhim kho txoj kev tiv thaiv thiab dej tsis kam ntawm cov txheej txheem, ua cov khoom ntoo ntau ruaj khov rau hauv txhua hnub kev yaig.

Daim ntawv thov hauv kev lag luam daim ntawv

 

(1) UB thiab EB Kho Cov Txheej Txheej Ntxiv
Nyob rau hauv daim ntawv lossis cardboard kev lag luam, UB thiab EB kho cov txheej txheem feem ntau yuav tsum muaj viscosity thiab siab reactivity. NVP tuaj yeem ua tau raws cov qauv no thiab tswj kev kho cov khoom zoo los ntawm kev txhim kho cov dej ntws thiab ntsuas qib ntawm cov txheej txheem. Nws tuaj yeem txo cov viscosity ntawm txheej, ua kom yooj yim rau fyly thov cov txheej txheej ntawm daim ntawv, txhim kho txheej ua haujlwm thiab zoo. Nyob rau tib lub sijhawm, kev sib ntxiv ntawm NVP tuaj yeem ua kom ntseeg tau tias cov txheej txheem zoo reatingity thaum lub cev muaj zog thiab du cov khoom ntawm daim ntawv thiab duab los qhia.

(2) Dispersants thiab Dyeing Auxiliaries
NVP tseem siv tau ua ib qho kev ua tsis ncaj thiab nplawm cov pab cuam hauv daim ntawv kev lag luam. Raws li cov neeg tsis sib xws, nws muaj peev xwm ntau dua li cov tshuaj ntxiv thiab cov pigments nyob rau hauv cov pulp thaum lub papermaking txheej, txhim kho cov ntawv zoo thiab muaj kev sib txawv ntawm cov ntawv. Raws li ib qho dyeing pab, NVP tuaj yeem txhawb txoj kev khi ntawm cov txiv neej nrog cov ntawv dye, txhim kho cov ntawv dyeing thiab kev nrawm dua xim thiab pom cov xim zoo dua thiab pom kev.

Daim Ntawv Thov nyob rau hauv kev lag luam hlau

 

(1) UV txheej ua haujlwm rau DILUDENT
Hlau UV Txheej txheej feem ntau yog tsim cov khoom siv cationic vinyl ether ether / epoxy chemistry lossis heterocyclic tshuab. Txoj haujlwm ntawm NVP yog kom hla nrog cov pab pawg vinyl ether lossis acrylic ua haujlwm hauv cov kab ke no los ua ib qho zoo tshaj plaws thiab nquag ua haujlwm. Nws tuaj yeem txo cov viscosity ntawm txheej, txhim kho cov flowability ntawm txheej, thiab pab kom cov txheej kom zoo dua rau cov hlau. Nyob rau tib lub sijhawm, qhov sib ntxiv ntawm NVP tuaj yeem txhim kho cov nplaum ntawm cov txheej txheem thiab corrosion defe thiab tiv thaiv cov khoom hlau, thiab tiv thaiv cov khoom hlau los ntawm lwm qhov kev yaig.

(2) Kev Kho Hlau Hlau Hlau
NVP kuj tseem siv rau qee cov txheej txheem hlau degree. Piv txwv li, nws tuaj yeem siv los ua tus thawj coj ua ntej npaj rau kev npaj cov hlau deg sib dhos, thiab muab lub hauv paus kom zoo rau kev tsim kho tom ntej.

Daim ntawv thov hauv kev lag luam hluav taws xob

 

(1) UV txheej tiv thaiv cov khoom
Cov khoom siv hluav taws xob tshuab hluav taws xob siv rau ntawm NVP UV txheej rau sai ua thiab tsawg} Kev Kho Mob los tiv thaiv cov xaim hluav taws xob, thiab cov khoom siv hluav taws xob, thiab cov cim luam tawm hluav taws xob. NVP, raws li kev ua kom nquag plias rau UV tsho tiv no, hmoov av, thiab cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob yooj yim thiab cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob yooj yim thiab cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob. Zoo.

(2) Npaj cov ntaub ntawv hluav taws xob
N - vinyl-2-pyrrolidoneKuj tseem muaj qee yam kev siv hauv cov txheej txheem npaj ntawm qee cov ntaub ntawv hluav taws xob. Piv txwv li, nws tuaj yeem ua cov monomer rau cov ntaub ntawv hluav taws xob rau qee cov hluav taws xob, thiab npaj cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob nrog cov khoom siv hluav taws xob rau kev tsim khoom hluav taws xob.

Daim ntawv thov hauv kev lag luam hauv Ink

 

(1) EB thiab UV Curable Ink Additives
Lub khw muag khoom siv EB thiab UV kho tshuab thev naus laus zis kom nrawm dua kev ceev thiab txo kev siv zog. Tus tshuaj tsw qab nrog NVP cov kuab tshuaj ntxiv muaj kev ua tau zoo thiab tsis tshua muaj ntxhiab, nyob hauv qhov kev sib tw tseem ceeb hauv lub vijtsam ink ua lag luam. NVP tuaj yeem txhim kho kev kho kom huv thiab cuam tshuam rau nws kom qhuav thiab kho nws sai tom qab luam ntawv, yog li txhim kho luam ntawv, yog li ua kom zoo tshaj plaws luam ntawv thiab zoo. Nyob rau tib lub sijhawm, cov ntxhiab tsw qis kuj txhim kho qhov chaw ua haujlwm ntawm lub tshuab luam ntawv thiab txo qhov cuam tshuam rau kev noj qab haus huv ntawm cov neeg ua haujlwm.

(2) Txhim kho Ink Perk Perks
NVP tseem tuaj yeem txhim kho lwm cov khoom ntawm number case ntawm number case, xws li ua kom zoo nkauj es tsis txhob, thiab tshuaj lom neeg kuj. Nws muaj peev xwm ua tau zoo dua rau cov num luam tawm, ua rau nws tsis tshua muaj kev cuam tshuam rau kev tawm tsam qee yam, txuas ntxiv cov kev pabcuam lub neej ntawm cov ntawv luam tawm.

Daim ntawv thov hauv daim teb tshuaj

 

(1) Cov khoom siv hluav taws xob
NVP tuaj yeem siv los ua cov khoom siv hluav taws xob rau cov khoom sib txuas xws li tshuaj thiab tshuaj tua kab. Hauv cov yeeb tshuaj synthesis, nvp tuaj yeem sib txuas nrog lwm cov chaw sib txuas los ntawm kev siv tshuaj lom neeg los tsim cov tshuaj molecules nrog cov chaw muag tshuaj. Nws tuaj yeem koom tau rau hauv ntau hom tshuaj lom neeg cov tshuaj tiv thaiv, xws li ntxiv cov tshuaj tiv thaiv, ntau yam tshwm sim, thiab lwm yam, muab rau kev hloov kho qauv thiab cov kev ua tau zoo ntawm cov tshuaj.

(2) polyvinylprolidone raw khoom
NVP feem ntau yog siv rau kev tsim cov polyvinylprolidry (pvp), uas yog siv dav hauv kev lag luam kws tshuaj. Hauv cov yeeb yaj kiab kws tshuaj, PVP tuaj yeem siv los ua cov kuab tshuaj, stabilizer, thiab txhim kho kom txhim kho cov yeeb siv tshuaj. Nws tuaj yeem nce cov solubility ntawm cov tshuaj, txhim kho lawv cov kev ruaj khov, thiab ua rau lawv tsis tshua muaj kev cuam tshuam rau kev ua tsis taus thiab tsis zoo thaum lub sijhawm cia thiab siv. Lub caij no, PVP tseem tuaj yeem txhim kho cov tshuaj tso tawm tshuaj, txhim kho cov tshuaj, thiab pab kom lawv tau ua kom zoo dua thiab siv los ntawm tib neeg lub cev.

Daim Ntawv Thov nyob rau hauv kev lag luam nplaum

 

(1) Kho cov nplaum nplaum kom nquag plias
Cov kev xav tau ua nruj thiab cov kev xav tau ntawm cov nplaum uas muaj cov nplaum kom ua kom cov nplaum kom sai lossis nrawm kho cov hluav taws xob nrawm. NVP tuaj yeem raug siv ua ib qho ntawm cov khoom xyaw nquag hauv cov nplaum los txhim kho cov tshuaj kho kom ceev thiab ua kom zoo ntawm cov nplaum. Nws tuaj yeem cuam tshuam nrog lwm tus monomers lossis Oligomers los ua cov qauv nplaum ua kom zoo nkauj, tso cai rau cov nplaum kom sai thiab ua raws cov khoom ua ke ua ke.

(2) txhim kho kev ua tau zoo
NVP tseem tuaj yeem txhim kho lwm yam khoom ntawm cov nplaum ntawm cov nplaum, xws li nce lawv cov khoom siv tau, dej tsis kam, thiab tshuaj lom neeg kuj. Nws tuaj yeem ua rau cov nplaum zoo yoog rau qhov tsis zoo ntawm cov khoom ua haujlwm ntawm cov txheej txheem ua kom tiav, txhim kho kev ntseeg tau thiab ruaj khov ntawm txoj kev sib raug zoo.

Daim ntawv thov hauv kev ua cov txheej txheem

 

(1) Dispersants thiab cov tuab tuab
Hauv cov txheej txheej, PVP (tsim los ntawm NVP polymerization) tuaj yeem siv los ua cov dispersant thiab tuab los txhim kho kev ua haujlwm thiab ruaj khov ntawm cov txheej txheem. Raws li cov neeg dispersant, pvp tuaj yeem hnoos tau cov pig thiab sau ua kom pom kev, tiv thaiv kev ua kom zoo nkauj thiab fillers, thiab txhim kho cov kev pov hwm thiab xim ci ci ntawm cov txheej txheem. Raws li cov tuab dua, PVP tuaj yeem nce viscosity ntawm cov txheej txheem, txhim kho lub zog ntawm cov txheej txheem ntawm cov txheej txheem, thiab muab cov ntawv thov kev ua haujlwm zoo thaum lub sijhawm tsim kho.

(2) Txhim kho cov dej tsis kam thiab lwm yam khoom ntawm cov txheej txheem txheej txheem
Txawm hais tias NVP nws tus kheej tau tsis zoo zaj duab xis - Txoj kev khaws dej thiab dej tsis kam, hauv qee cov nruab nrab cov txheej txheem txheej tshwj xeeb,N - vinyl-2-pyrrolidoneLossis nws polymer pvp tseem tuaj yeem muaj qhov zoo rau ntawm cov dej tsis kam thiab lwm yam khoom ntawm cov txheej sib piv thiab hloov kho nrog lwm cov khoom. Piv txwv li, hauv qee cov dej - Ua ntej cov txheej txheem ua ke nrog lwm cov yeeb yaj kiab- Txoj kev ua yeeb yaj kiab los txhim kho cov tshuaj ceev thiab dej tsis kam ntawm cov txheej.

Daim Ntawv Thov nyob rau hauv thaj chaw ntawm cov tshuaj pleev ib ce

 

(1) Kho viscosity thiab txhim kho kev ntxhib los mos
Hauv cov tshuaj pleev ib ce, NVP tuaj yeem siv los kho viscosity, nce khoom lag luam ib txwm, thiab txhim kho kev ntxhib. Nws tuaj yeem ua haujlwm ua cov kev tswj siab thiab rheology regener rau cov tshuaj pleev ib ce, muab cov viscosity tsim nyog thiab kev siv tau yooj yim thiab siv. Nyob rau tib lub sijhawm, NVP kuj tseem tuaj yeem txhim kho cov tawv nqaij muaj kev paub txog cov tshuaj pleev ib ce, ua rau lawv muaj kev lom zem ntau dua thiab du, thiab txhim kho cov neeg siv kev paub.

(2) Daim ntawv thov polyvinylprolidone
Lub PVP tsim los ntawm NVP polymerization tseem muaj dav hauv cov tshuaj pleev ib ce. PVP muaj zaj yeeb yaj kiab zoo {{1} Txoj kev ua yeeb yaj kiab, uas tuaj yeem tsim cov yeeb yaj kiab tawv nqaij kom tiv thaiv kom txhob tawv nqaij poob thiab muab cov teebmeem moisturizing. Nws tseem tuaj yeem adsorb roj thiab av nyob rau saum npoo ntawm daim tawv nqaij, ua lub luag haujlwm hauv kev tu thiab tswj roj.

N - vinylprolidone, raws li ib qho tseem ceeb organic sib xyaw ua ke, muaj cov tshuaj nplaum, cov tshuaj nplaum, thiab cov tshuaj pleev ib ce, kev txhim kho kev txhim kho thiab kev txhim kho txheej txheem hauv ntau thaj teb. Nrog kev kawm txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis thiab kev nthuav dav ntawm daim ntawv thov cov kev cia siab ntawm n} vinylprolidone yuav yog qhov dav.

Cim npe nrov: n - vinyl-2-pyrrolidone CAS-2-Pyrrolidone Case 88-12-0, cov neeg muag khoom, chaw tsim khoom, yuav khoom, nqe, loj, rau muag