Diacetone Acrylamide (DAAM)

Kev Piav Qhia Luv:

Chaw Tsim Khoom & Chaw Muag Khoom Diacetone Acrylamide (DAAM)

Diacetone acrylamide(DAAM) yog ib qho tshuaj lom neeg uas yog ib feem ntawm cov acrylamide derivatives. Nws feem ntau siv rau hauv polymer chemistry thiab tuaj yeem ua haujlwm ua ib qho monomer hauv kev tsim ntau yam polymers, tshwj xeeb tshaj yog cov uas siv rau hauv coatings, adhesives, thiab composites. Cov qauv tshuaj ntawm DAAM muaj ib pawg acrylamide (ib pawg vinyl txuas rau ib pawg carbonyl) thiab ib qho acetone moiety.

Cov yam ntxwv ntawm DAAM tuaj yeem sib txawv nyob ntawm nws cov polymerization. Feem ntau, DAAM yog siv rau hauv kev tsim cov polymers nrog cov yam ntxwv zoo xws li kev nplaum zoo dua, kev ywj pheej, thiab kev tiv taus cov yam ntxwv ib puag ncig xws li cua sov thiab dej noo.

Ib qho tseem ceeb ntawm DAAM yog nws lub peev xwm los dhau los ntawm cov dawb radical polymerization, qhov twg nws reacts nrog lwm cov monomers (lossis nws tus kheej) los tsim cov polymers. Cov polymers no tuaj yeem siv rau hauv ntau yam kev siv hauv kev lag luam, suav nrog ua cov thickeners, crosslinkers, lossis hauv kev tsim cov resins tshwj xeeb.

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Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Diacetone Acrylamide(DAAM) Tus Muag Khoom & Hoobkas

Diacetone acrylamide(DAAM) yog ib qho organic compound uas siv tau ntau yam hauv kev tshawb fawb polymer, kev siv tshuab txheej, thiab kev tshawb fawb txog cov khoom siv. Nws yog ib qho monomer tsim uas tau txais kev saib xyuas ntau vim nws cov khoom siv tshuaj lom neeg tshwj xeeb, xws li kev ua haujlwm siab, muaj peev xwm tsim ntau yam qauv polymer, thiab muaj peev xwm rau ntau yam kev siv ua haujlwm. DAAM ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov khoom ntawm polymers, coatings, adhesives, thiab composites.

1. Cov Qauv Tshuaj thiab Cov Khoom ntawm Diacetone Acrylamide

Diacetone acrylamide yog ib qho acrylamide derivative, qhov twg acrylamide pawg raug hloov los ntawm acetone moiety ntawm qhov chaw nitrogen. Cov mis tshuaj ntawm DAAM yogC₆H₁₁NO₂, thiab nws qhov hnyav molecular yog kwv yees li129.17 g/mol.

Cov qauv ntawm DAAM muaj xws li:

An pawg acrylamide(CH₂=CH-C(=O)-NH-), uas yog qhov tseem ceeb ntawm cov tshuaj reactive ntawm lub molecule.
A pawg diacetone(C₄H₇O₂), uas txuas nrog cov nitrogen ntawm acrylamide.

CAS Tsis Muaj: 2873-97-4
TSCA:2873-97-4
EINECS:220-713-2
ENCS :2-1024

Cov yam ntxwv

Diacetone acrylamide yooj yim polymerizes thiab tsim cov copolymers nrog ntau yam comonomers
Diacetone acrylamide reacts nrog ketone pawg ntawm adipic acid dihydrazide ntawm qhov kub thiab txias.

Qhov muaj nyob ntawmpawg ua haujlwm acrylamidetso cai rau DAAM kom polymerize hauv txoj kev zoo ib yam li lwm yamcov monomers uas ua los ntawm acrylamide, thaum lubcov qauv ntawm diacetonemuab ib qho kev cuam tshuam steric uas cuam tshuam rau nws cov reactivity thiab lub cev cov khoom. Cov acetone pawg kuj ua rau cov tshuaj no yaj tau yooj yim dua hauv cov organic solvents.

2. Kev tsim cov Diacetone Acrylamide

Kev tsim cov DAAM muaj ob kauj ruam:

Kev ua kom cov acrylamideKauj ruam thawj zaug no suav nrog kev sib xyaw acrylamide nrog acetone nyob rau hauv qhov muaj cov tshuaj catalyst acid lossis base. Cov acetone sib xyaw nrog cov nitrogen atom ntawm acrylamide los tsim cov diacetone derivative.
Kev ntxuav kom huvThaum cov tshuaj tiv thaiv tiav lawm, cov khoom feem ntau raug ntxuav los ntawm kev distillation lossis crystallization techniques kom cais covDAAM monomernyob rau hauv nws daim ntawv dawb huv.

Qhov kev tshuaj tiv thaiv no piav tau li no:

Acrylamide (CH₂=CH-C(=O)-NH₂)reacts nrog acetone (CH₃COCH₃) los ua diacetone acrylamide (CH₂=CH-C(=O)-NH-CH₂COCH₃).

Kev tsim cov DAAM yog qhov yooj yim heev, tab sis kev tswj hwm qhov tseeb ntawm cov xwm txheej ua tshuaj (piv txwv li, kub, lub sijhawm ua tshuaj, kev xaiv cov kuab tshuaj) yog qhov yuav tsum tau ua kom tiav cov txiaj ntsig siab thiab huv.

3. Kev ua polymerization ntawm Diacetone Acrylamide

Qhov tseem ceeb tshaj plaws ntawm DAAM yog nws lub peev xwm los dhau los ua tus thawj coj hauv kev lag luam.kev sib xyaw ua ke ntawm cov dawb radicalsPawg acrylamide hauv DAAM tuaj yeem koom nrog cov tshuaj tiv thaiv polymerization ntxiv, uas tso cai rau DAAM txuas nrog lwm cov monomers lossis nws tus kheej los tsim cov saw polymer ntev. Qhov no ua rau DAAM yog ib qho monomer muaj txiaj ntsig zoo hauv kev tsim cov polymers nrog ntau yam khoom.

Kev polymerization ntawm DAAM tuaj yeem ua tiav los ntawm:

HomopolymerizationDAAM monomer ua haujlwm nrog lwm cov DAAM monomers, tsim cov polymer uas muaj tag nrho cov DAAM units.
Cov tshuaj sib xyaw ua keDAAM kuj tseem tuaj yeem copolymerized nrog lwm cov acrylate, methacrylate, lossis vinyl-based monomers los tsim cov copolymers nrog cov khoom tshwj xeeb. Qhov no tso cai rau kev koom ua ke ntawm cov pab pawg ua haujlwm tshwj xeeb uas muab cov yam ntxwv tshwj xeeb rau cov polymer.

Cov tshuaj pib ua kom muaj cov free radicals (piv txwv li,AIBN, BPO) lossis lub teeb UV feem ntau siv los pib cov txheej txheem polymerization. Qhov tshwm simCov polymers uas ua raws li DAAMtuaj yeem muaj ntau yam khoom nyob ntawm seb qib polymerization, qhov muaj cov neeg sawv cev crosslinking, thiab hom co-monomers siv.

Cov Khoom

Qhov tsos	Dawb rau me ntsis daj daj flake hmoov
Cov mis	C₉H₁₅NO₂
Qhov hnyav ntawm mole	169.23
Lub zog nqus tshwj xeeb (60 ° C)	0.998
Qhov kub yaj	56°C
Kub taw tes	120°C (8 hli Hg)
Kev yaj hauv dej hauv cov kuab tshuaj organic	>100g/100g H₂O Sib xyaw ua ke
Tg (homo-polymer)	77°C (DSC)
Qhov nplaum (60 ° C)	17.9 m Pa·s

Kev sib xyaw ua ke

M1	M2	r1	r2	Q1	e1	Q2	e2
Styrene	Diacetone acrylamide	1.77 ±0.08	0.49 ±0.06	1.00	-0.80	0.42	-0.42
Methyl methacrylate	Diacetone acrylamide	1.68 ±0.06	0.57 ±0.03	0.74	0.04	0.41	-0.02

4. Cov ntawv thov ntawm Diacetone Acrylamide

4.1. Cov Tshuaj Pleev Xim thiab Cov Xim

DAAM feem ntau siv rau hauv kev tsim cov tshuajcov tshuaj pleev xim thiab cov xim pleevvim nws muaj peev xwm tsim cov polymers uas muaj zog lo, yooj ywm, thiab tiv taus cov yam ntxwv ib puag ncig. Cov yeeb yaj kiab polymer ua tau zoo dua piv rau cov txheej txheem acrylic lossis polyester ib txwm muaj.

Qee cov ntawv thov tshwj xeeb suav nrog:

Cov txheej tiv thaiv: Cov polymers ua los ntawm DAAM muab kev tiv taus kub, noo noo, thiab kev sib txhuam zoo heev, ua rau lawv zoo tagnrho rau kev siv hauv tsheb, kev lag luam, thiab kev pleev xim rau hauv dej hiav txwv.
Cov nplaum: Kev sib xyaw ua ke ntawm DAAM tuaj yeem ua rau cov nplaum uas tsim cov kev sib txuas zoo nrog ntau yam nto, suav nrog cov hlau, yas, thiab iav.
Cov txheej txheem tiv thaiv xebCov yeeb yaj kiab uas yoog tau thiab ruaj khov ua los ntawm DAAM-based polymers yog siv rau hauv kev lag luam uas xav tau cov txheej txheem tiv thaiv xeb zoo.

4.2. Cov Khoom Siv Polymer Uas Nqus Tau Zoo Tshaj Plaws

DAAM siv rau hauv kev tsim khocov polymers uas nqus tau zoo heev(SAPs), uas yog cov ntaub ntawv uas muaj peev xwm nqus tau dej ntau lossis lwm yam kua. Cov ntaub ntawv no feem ntau siv rau hauv cov ntawv thov xws li:

Cov khoom siv tu cevDAAM-based SAPs pom muaj nyob rau hauv cov khoom xws li cov ntaub so quav, cov ntaub so huv, thiab cov khoom siv rau cov neeg laus uas tsis tuaj yeem tso zis tau.
Cov ntawv thov ua liaj ua tebCov polymers uas nqus tau zoo heev uas ua los ntawm DAAM siv tau rau hauv kev ua liaj ua teb kom txhim kho kev khaws dej hauv av.

4.3. Kev Siv Kho Mob thiab Biomedical

Vim nws qhov biocompatibility thiab versatility, DAAM kuj tseem tshawb nrhiav hauvkev kho mob thiab biomedical tebPiv txwv li:

Cov txheej txheem xa tshuaj: Cov polymers uas ua raws li DAAM tuaj yeem tsim los xa cov tshuaj hauv txoj kev tswj hwm, muab kev tso tawm ntev lossis tsom mus rau cov ntaub so ntswg tshwj xeeb.
Kev tsim cov ntaub so ntswgCov khoom siv DAAM-based polymers uas yooj ywm thiab sib xws ua rau lawv tsim nyog rau kev siv hauv cov scaffolds rau kev tsim cov ntaub so ntswg, cov ntaub qhwv qhov txhab, thiab lwm yam khoom siv kho mob.

4.4. Kev Tsim Hydrogel

Cov hydrogels ua los ntawm DAAM siv rau ntau yam kev siv vim lawv cov khoom khaws dej tau zoo. Cov hydrogels no siv tau rau hauv:

Kev kho mob qhov txhab: Cov hydrogels muab ib puag ncig noo noo rau kev kho qhov txhab, txo qhov kev pheej hmoo ntawm kev kis kab mob thiab ua kom cov txheej txheem kho sai dua.
Cov tshuaj pleev ib ceCov hydrogels ua los ntawm DAAM yog siv rau hauv cov khoom siv saib xyuas tawv nqaij, suav nrog cov tshuaj moisturizers thiab cov tshuaj pleev thaiv kev laus, vim lawv muaj peev xwm zoo heev los ua kom tawv nqaij noo.

4.5. Kev Tsim Khoom Siv Nano thiab Cov Khoom Sib Xyaws

DAAM kuj tseem siv tau rau hauv kev npaj ntawmcov nanocompositesthiab siab heevcov ntaub ntawv ua los ntawm polymerPiv txwv li, DAAM tuaj yeem raug polymerized nrog nanoparticles los tsim cov khoom sib xyaw nrog cov khoom siv kho tshuab, hluav taws xob, lossis thermal zoo dua. Cov ntaub ntawv no tuaj yeem siv rau hauv ntau yam lag luam, suav nrog:

Khoom siv hluav taws xobCov polymer nanocomposites ua los ntawm DAAM siv tau rau hauv cov khoom siv hluav taws xob thiab cov ntaub ntawv conductive.
Kev tsav dav hlauDAAM-based composites yog siv rau lawv cov khoom sib dua thiab muaj zog heev hauv kev siv aerospace.

4.6. Kev Siv Luam Ntawv thiab Textile

Hauv kev lag luam textile, DAAM siv los tsim cov ntaub uas muaj zog thiab yooj ywm dua. Piv txwv li,cov txheej txheem ua haujlwmraws li DAAM tuaj yeem siv rau cov ntaub kom ua rau lawv tiv taus dej, cov xim av, thiab UV hluav taws xob. Ib yam li ntawd, DAAM tuaj yeem siv rau hauv kev tsim khoom ntawmcov kua luam ntawv, qhov twg nws lub peev xwm los tsim cov yeeb yaj kiab zoo pab ua kom tiav qhov tseeb thiab ua haujlwm tau zoo dua.