Diacetone Acrylamide (DAAM)

Nkọwa Dị Mkpirikpi:

Diacetone Acrylamide (DAAM) Onye Mmepụta na Onye Na-ebunye Ya

Diacetone acrylamide(DAAM) bụ ihe mejupụtara kemịkalụ nke dị na klas nke ihe ndị sitere na acrylamide. A na-ejikarị ya eme ihe na kemịkalụ polima ma nwee ike ịrụ ọrụ dị ka monomer na mmepụta nke polima dị iche iche, ọkachasị ndị ejiri mee ihe mkpuchi, ihe nrapado, na ihe mejupụtara. Nhazi kemịkalụ nke DAAM nwere otu acrylamide (otu vinyl ejikọtara na otu carbonyl) na akụkụ acetone.

Àgwà nke DAAM nwere ike ịdị iche dabere na njikọta ya. A na-ejikarị DAAM eme ihe na njikọta nke polima nwere àgwà ndị a na-achọsi ike dịka mma njikọta, mgbanwe, na iguzogide ihe ndị dị gburugburu ebe obibi dịka okpomọkụ na mmiri.

Otu akụkụ dị mkpa nke DAAM bụ ikike ya ịnweta polymerization free radical, ebe ọ na-emeghachi omume na monomers ndị ọzọ (ma ọ bụ onwe ya) iji mepụta polymers. Enwere ike iji polymers ndị a mee ihe n'ọtụtụ ngwa ụlọ ọrụ, gụnyere dị ka ihe na-eme ka ihe sie ike, ihe na-ejikọ eriri, ma ọ bụ na mmepe nke resin pụrụ iche.

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Nkọwa Ngwaahịa

Akara Ngwaahịa

Diacetone AcrylamideOnye na-ebunye ihe na ụlọ ọrụ mmepụta ihe (DAAM)

Diacetone acrylamide(DAAM) bụ ihe mejupụtara ihe ndị dị ndụ nke a na-ejikarị eme ihe n'ihe gbasara sayensị polima, teknụzụ mkpuchi, na sayensị ihe onwunwe. Ọ bụ monomer sịntetik nke enwetala nlebara anya dị ukwuu n'ihi ihe ndị dị na kemịkalụ pụrụ iche ya, dịka nnukwu mmeghachi omume, ikike ịmepụta ụdị polymer dị iche iche, na ikike maka ọtụtụ ọrụ arụmọrụ. DAAM na-arụ ọrụ dị mkpa n'ịkwalite ihe ndị dị na polima, mkpuchi, ihe nrapado, na ihe ndị mejupụtara ya.

1. Nhazi Kemịkalụ na Njirimara nke Diacetone Acrylamide

Diacetone acrylamide bụ ihe e si na acrylamide nweta, ebe a na-eji acetone nke dị n'ọnọdụ nitrogen dochie otu acrylamide. Usoro kemịkalụ nke DAAM bụC₆H₁₁NO₂, na ịdị arọ nke molekul ya dị ihe dị ka129.17 g/mol.

Nhazi nke DAAM nwere:

An otu acrylamide(CH₂=CH-C(=O)-NH-), nke bụ isi ihe na-emeghachi omume nke molekul ahụ.
A otu diacetone(C₄H₇O₂), nke ejikọtara na nitrogen nke acrylamide.

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

atụmatụ

Diacetone acrylamide na-eme ka polima dị iche iche ma na-emepụta copolymers dị iche iche.
Diacetone acrylamide na-emeghachi omume na otu ketone nke adipic acid dihydrazide na okpomọkụ nkịtị.

Ọnụnọ nkeotu ọrụ acrylamidena-enye ohere ka DAAM mee ka ọ dị ka ihe ndị ọzọmonomers sitere na acrylamide, ebeỌdịdị nke diacetonena-enye ihe mgbochi siri ike nke na-emetụta mmeghachi omume na njirimara anụ ahụ ya. Otu acetone na-emekwa ka ihe mejupụtara ya dịkwuo mmiri na ihe mgbaze organic.

2. Njikọta nke Diacetone Acrylamide

Usoro nke DAAM gụnyere usoro abụọ:

Mmepụta nke acrylamideNzọụkwụ mbụ a gụnyere imeghachi omume na acrylamide na acetone n'ihu acid ma ọ bụ ihe na-akpali akpali. Acetone na-emeghachi omume na atọm nitrogen nke acrylamide iji mepụta ihe sitere na diacetone.
Nchacha: Ozugbo mmeghachi omume ahụ mechara, a na-asacha ngwaahịa ahụ site na iji usoro distillation ma ọ bụ kristal iji kewapụDAAM monomern'ụdị ya dị ọcha.

Enwere ike ịkọwa mmeghachi omume ahụ dị ka:

Acrylamide (CH₂=CH-C(=O)-NH₂)na-emeghachi omume na acetone (CH₃COCH₃) iji mepụta diacetone acrylamide (CH₂=CH-C(=O)-NH-CH₂COCH₃).

Nhazi nke DAAM dị mfe nghọta, mana njikwa ziri ezi nke ọnọdụ mmeghachi omume (dịka ọmụmaatụ, okpomọkụ, oge mmeghachi omume, nhọrọ ihe mgbaze) dị mkpa iji nweta nnukwu mmepụta na ịdị ọcha.

3. Mmezi nke Diacetone Acrylamide

Ihe kachasị mkpa nke DAAM bụ ikike ya ịnagide ihe ndị na-adịghị mma.Mmezi polymerization nke onwe (free radical)Otu acrylamide dị na DAAM nwere ike isonye na mmeghachi omume polymerization agbakwunyere, na-enye DAAM ohere ijikọ ya na monomers ndị ọzọ ma ọ bụ onwe ya iji mepụta agbụ polymer ogologo. Nke a na-eme DAAM monomer bara uru na mmepụta nke polima nwere ihe onwunwe dị iche iche.

Polymerization nke DAAM nwere ike ịga n'ihu site na:

Nhazi Homopolymerization: Monomer DAAM na-emeghachi omume na monomer DAAM ndị ọzọ, na-emepụta polima nke mejupụtara nkeji DAAM kpamkpam.
Ndị na-arụ ọrụ copolymer: Enwere ike ijikọta DAAM na monomers acrylate, methacrylate, ma ọ bụ vinyl ndị ọzọ iji mepụta copolymers nwere njirimara ahaziri ahazi. Nke a na-enye ohere maka itinye otu ọrụ pụrụ iche nke na-enye njirimara pụrụ iche na polima ahụ.

Ndị malitere ihe ndị na-akpali agụụ mmekọahụ n'efu (dịka ọmụmaatụ,AIBN, BPO) ma ọ bụ ọkụ UV ka a na-ejikarị amalite usoro polymerization.Polymers ndị dabere na DAAMnwere ike inwe ọtụtụ ihe onwunwe dabere na ogo nke polymerization, ọnụnọ nke ihe ndị na-ejikọ ọnụ, na ụdị co-monoma ejiri.

Njirimara

Ọdịdị	Ntụ ntụ ntụ flake ọcha ruo ntakịrị odo odo
Usoro	C₉H₁₅NO₂
Ibu Mol.	169.23
Ike ndọda kpọmkwem (60°C)	0.998
Ebe agbaze	56°C
Ebe isi mmiri	120°C (8mm Hg)
Mmiri na-agbaze n'ime mmiri na ihe mgbaze organic	>100g/100g H₂O Miscible
Tg (homo-polyma)	77°C (DSC)
Viscositi (60°C)	17.9 m Pa·s

Copolymerization

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. Ngwa nke Diacetone Acrylamide

4.1. Mkpuchi na Agba

A na-ejikarị DAAM eme ihe n'ịhazi iheihe mkpuchi na agban'ihi ike ya imepụta polima nwere nrapado siri ike, mgbanwe, na iguzogide ihe ndị metụtara gburugburu ebe obibi. Ihe nkiri polima ndị a na-enweta na-egosi arụmọrụ ka mma ma e jiri ya tụnyere mkpuchi acrylic ma ọ bụ polyester ọdịnala.

Ụfọdụ ngwa ndị a kapịrị ọnụ gụnyere:

Mkpuchi nchekwa: Polymers ndị e ji DAAM mee na-enye ezigbo iguzogide okpomọkụ, mmiri mmiri, na nchacha, na-eme ka ha dị mma maka iji ha mee ihe na mkpuchi ụgbọ ala, ụlọ ọrụ mmepụta ihe, na mmiri mmiri.
Ngwakọta: Mmezi nke DAAM nwere ike ibute ihe nrapado nke na-etolite njikọ siri ike na ọtụtụ elu, gụnyere ọla, plastik, na iko.
Mkpuchi mgbochi ire ere: A na-eji ihe nkiri ndị na-agbanwe agbanwe ma na-adịgide adịgide nke e ji polima DAAM mee eme ihe n'ụlọ ọrụ ndị chọrọ mkpuchi dị elu nke na-egbochi mmebi.

4.2. Polymers ndị na-amịkọrọ ihe nke ọma

A na-eji DAAM eme ihe n'ime mmepe nkepolima ndị na-amịkọrọ ihe nke ọma(SAPs), nke bụ ihe ndị nwere ike ịmịkọrọ nnukwu mmiri ma ọ bụ mmiri mmiri ndị ọzọ. A na-ejikarị ihe ndị a eme ihe dịka:

Ngwaahịa ịdị ọcha: A na-ahụ SAPs nke DAAM n'ime ngwaahịa dịka ákwà nhicha aka, akwa nhicha aka, na ngwaahịa ndị okenye na-enweghị ntụsara ahụ.
Ngwa ọrụ ugbo: Enwere ike iji polima ndị na-amịkọrọ mmiri nke ọma nke e ji DAAM mee mee ihe n'ọrụ ugbo iji melite njigide mmiri n'ime ala.

4.3. Ngwa Ahụike na Ahụike Biomedical

N'ihi na ọ bụ ihe dị iche iche na ihe dị iche iche, a na-enyocha DAAM na mpaghara ahụ.ngalaba ahụike na ọgwụ. Dị ka ọmụmaatụ:

Sistemụ nnyefe ọgwụ ọjọọ: Enwere ike imepụta polima ndị dabere na DAAM ka ha na-ebuga ọgwụ n'ụzọ a na-achịkwa, na-enye ntọhapụ ogologo oge ma ọ bụ na-elekwasị anya na anụ ahụ ụfọdụ.
Injinịa anụ ahụ: Njirimara mgbanwe na nke dakọtara nke polima ndị DAAM na-eme ka ha dị mma maka iji na scaffolds maka injinịa anụ ahụ, ihe mkpuchi ọnya, na ngwaọrụ ahụike ndị ọzọ.

4.4. Nhazi Hydrogel

A na-eji hydrogels e ji DAAM mee eme ihe n'ọtụtụ ụzọ n'ihi na ha nwere nnukwu ihe ndị na-ejide mmiri. Enwere ike iji hydrogels ndị a mee ihe n'ime:

Nlekọta ọnya: Hydrogels na-enye ebe dị mmiri mmiri maka ọgwụgwọ ọnya, na-ebelata ohere nke ibute ọrịa ma na-eme ka usoro ọgwụgwọ dị ngwa.
Usoro ịchọ mmaA na-eji Hydrogels e ji DAAM mee eme ihe n'ihe gbasara nlekọta akpụkpọ ahụ, gụnyere ihe na-eme ka akpụkpọ ahụ dị nro na ude na-egbochi ịka nká, n'ihi ikike ha nwere ime ka akpụkpọ ahụ dị mmiri mmiri.

4.5. Nhazi ihe na ihe mejupụtara ya

A na-ejikwa DAAM eme ihe n'ịkwadebe iheihe ndị dị nanocompositesna eluihe ndị e ji polima meeDịka ọmụmaatụ, enwere ike iji nanoparticles mee ka DAAM bụrụ ihe ejikọrọ ọnụ nke nwere ihe eji arụ ọrụ, eletriki, ma ọ bụ ihe na-ekpo ọkụ ka mma. Enwere ike iji ihe ndị a mee ihe n'ọtụtụ ụlọ ọrụ dị iche iche, gụnyere:

Eletrọniki: Enwere ike iji nanocomposites polymer nke e ji DAAM mee mee ihe na eletrọniki na-agbanwe agbanwe na ihe ndị na-eduzi ihe.
ụgbọelu: A na-eji ihe ndị mejupụtara DAAM eme ihe maka ihe ndị dị mfe ma dị ike na ngwa ụgbọelu.

4.6. Ngwa Mbipụta na Ngwa Akwa

N'ime ụlọ ọrụ ákwà, a na-eji DAAM emepụta ákwà ndị na-adịgide adịgide ma na-agbanwe agbanwe. Dịka ọmụmaatụ,mkpuchi ọrụdabere na DAAM enwere ike itinye ya n'ákwà iji mee ka ha ghara iguzogide mmiri, ntụpọ, na radieshon UV. N'otu aka ahụ, enwere ike iji DAAM mee ihe na mmepụta nkeink mbipụta, ebe ikike ya ịmepụta ihe nkiri dị elu na-enyere aka inweta nghọta ka mma na ogologo oge mbipụta.