Tom ntej: Methyl Methacrylate (MMA, CAS 80-62-6)yog cov kua tsis muaj xim tsis muaj xim zoo tshaj plaws hu ua lub tsev thaiv ntawm PMMA (acrylic) plastics. Nws plays ob lub luag haujlwm sib txawv nyob ntawm qhov chaw: hauv cov khw muag ntsia thawv, MMA yog keeb kwm siv los ua kev ceev ceev - kho tus neeg sawv cev rau cov ntsia hlau acrylic - ib qho kev siv uas tam sim no cov neeg saib xyuas kev noj qab haus huv cuam tshuam vim muaj kev pheej hmoo ntawm daim tawv nqaij thiab ua pa. Hauv kev tsim khoom lag luam, txawm li cas los xij, MMA yog qhov zoo- tswj hwm, siab- cov khoom siv huv huv uas tseem ceeb rau cov ntawv acrylic, txheej, nplaum, thiab cov khoom siv kho mob. Nkag siab qhov sib txawv no yog qhov tseem ceeb rau cov neeg siv khoom thiab cov neeg yuav khoom lag luam nrhiav MMA rau kev tsim khoom.
1. Methyl Methacrylate (MMA) yog dab tsi?
Tom ntej: Methyl Methacrylate CAS 80-62-6yog ib qho organic ester monomer, tseem hu ua methacrylic acid methyl ester lossis "Plexiglass Monomer." Nws polymerizes nkag mus rau hauv daim ntawv polymethyl methacrylate (PMMA), yog ib qho ntawm cov pob tshab thermoplastics siv dav hauv ntiaj teb.
| Yam khoom | Paub meej |
|---|---|
| Tshuaj npe | Methyl Methacrylate |
| Cov Npe | MMA, Methacrylic Acid Methyl Ester, Plexiglass Monomer |
| CAS Nr | 80-62-6 |
| EINECS Number | 201-297-1 |
| Molecular Formula | C₅H₈O₂ |
| Molecular Luj | 100.12 g / mol |
| Qhov tshwm sim | Ntshiab, xim tsis muaj kua |
| Melting Point | -48 ° F (-54 ° F) |
| Boiling Point | 101℃(214℃F) |
| Flash Point | 2℃(36℃F) |
| Dej Solubility | Insoluble hauv dej; soluble nyob rau hauv feem ntau cov organic solvents |
2. Vim li cas MMA tau siv rau hauv cov khoom siv ntsia hlau?
Ua ntej kev soj ntsuam xyuas tau nce ntxiv, MMA feem ntau yog siv rau hauv cov ntsia thawv acrylic vim muaj peb yam khoom uas ua rau nws txaus nyiam rau cov kws kho hniav:
- Kev kho sai- MMA hardens sai dua li lwm txoj kev sib koom ua ke
- Muaj zog adhesion- nws bonds nruj nreem rau lub ntuj ntsia hlau phaj
- Tus nqi qis- MMA yog pheej yig dua li lwm txoj kev nyab xeeb xws li ethyl methacrylate (EMA)
Txawm li cas los xij, cov khoom qub no yog dab tsi ua rau MMA-raws li cov rau tes nyuaj, tsis yooj yim dua, thiab nyuaj rau tshem tawm ntau dua li cov ntsia hlau ua nrog cov kev pom zoo.
3. Kev pheej hmoo ntawm kev noj qab haus huv ntawm MMA hauv cov khoom siv ntsia hlau
Kev rov ua dua lossis ncua ntev rau MMA hauv cov chaw kho hniav ntsia hlau tau cuam tshuam nrog ntau yam teebmeem kev noj qab haus huv, tshwj xeeb tshaj yog rau cov kws kho hniav uas ntsib kev ua haujlwm tsis tu ncua:
- Cov tawv nqaij rhiab heev thiab dermatitis (redness, khaus, ua pob, o)
- Kab mob ntawm qhov muag, qhov ntswg, caj pas, thiab ua pa ib ntsuj av
- Mob taub hau, kiv taub hau, thiab tes tshee nrog rov tshwm sim tseem ceeb
- Kev puas tsuaj rau cov ntsia hlau thiab cov ntsia hlau txawv txav nrog kev siv txuas ntxiv ntawm cov ntsia hlau ntuj
Cov kev pheej hmoo no yog qhov siab tshaj plaws rau cov kws tshaj lij ua haujlwm nrog MMA tsis tu ncua, txawm hais tias qee zaus cov neeg siv khoom raug cuam tshuam muaj qee qhov kev pheej hmoo thiab.
4. FDA Sawv Cev thiab US State Regulations ntawm MMA hauv Nail Products
Hauv Tebchaws Meskas, FDA tau ceeb toom tawm tsam kev siv MMA hauv cov khoom siv ntsia thawv rau ntau xyoo lawm, hais txog kev pheej hmoo ntawm kev raug mob ntawm tus ntsia thawv txaj thiab ib puag ncig ntawm daim tawv nqaij. Txawm hais tias FDA tsis tswj hwm txoj cai txwv thoob tebchaws rau MMA rau kev tshaj lij lossis kev siv tshuaj pleev ib ce, ntau lub xeev Asmeskas - suav nrog California thiab lwm tus - tau ua raws li kev cai ywj pheej lossis kev tawm tswv yim txwv tsis pub siv MMA hauv cov kws kho hniav muaj ntawv tso cai.
Vim tias kev tswj hwm txawv ntawm lub xeev thiab MMA tsis raug cais raws li tsoomfwv txwv tsis pub siv tshuaj, nws tseem tuaj yeem pom nyob rau hauv qee qhov qis dua - cov khoom siv ntsia hlau lossis cov chaw tsis muaj ntawv tso cai. Cov neeg tau txais kev pab thiab cov tswv salon raug txhawb kom txheeb xyuas cov khoom sau npe thiab nug cov kws kho hniav ncaj qha seb puas siv MMA hauv qhov kev pabcuam.
Yuav Qhia Li Cas MMA hauv Nail Products
- Lub zog, khaus tshuaj tsw qab tsis zoo li cov khoom siv acrylic
- Txawv txawv txawv, inflexible tiav uas nyuaj rau ua ntaub ntawv
- Qhov nyuaj heev tshem tawm cov khoom nrog tus qauv acetone-raws li cov kuab tshuaj
- Nqe qis dua EMA-raws li lossis gel lwm txoj kev
5. MMA vs. EMA hauv Nail Applications
Ethyl methacrylate (EMA) yog thawj qhov hloov pauv rau MMA hauv cov khoom siv ntsia hlau thiab suav tias yog kev lag luam - tus qauv zoo dua.
| Feature | MMA | EMA |
|---|---|---|
| Kho Ceev | Ceev dua | Nruab nrab |
| Hardness | Siab heev, nruj | Balanced hardness nrog yooj |
| Yooj yim | Tsawg | Siab dua |
| Kev tshem tawm | Nyuaj, tiv taus cov kuab tshuaj | Tshem tawm nrog standard acetone soak |
| Kev tswj hwm xwm txheej | Kev poob siab / txwv tsis pub siv cov ntsia hlau hauv ntau lub xeev Asmeskas | Muaj kev lees paub kev lag luam tus qauv |
| Hom kev siv | Cov khoom qub qub / qis- cov khoom raug nqi | Niaj hnub nimno kws ntsia thawv tshuab |
6. Muaj kev siv ntawm Methyl Methacrylate
Sab nraum kev lag luam ntsia thawv, MMA yog cov khoom siv raw hauv ntau qhov chaw tsim khoom, uas nws tau siv los tswj, tswj cov xwm txheej.
6.1 PMMA & Acrylic Sheet Ntau Lawm
MMA polymerizes rau hauv PMMA, siv los tsim cov cam khwb cia thiab extruded acrylic ntawv muaj nuj nqis rau qhov pom kev pom tseeb, UV ruaj khov, thiab cuam tshuam tsis kam. Cov ntawv thov suav nrog kev ruaj ntseg glazing, kos npe, teeb pom kev zoo, thiab hloov iav shatterproof.
6.2 Paints, Coatings & Adhesives
Raws li ib tug comonomer, MMA txhim kho hardness, durability, UV tsis kam, thiab abrasion kuj nyob rau hauv cov xim thiab txheej formulations, nrog rau sab nrauv xim, hlau thiab ntawv ci coatings, thiab industrial finishes. Hauv cov nplaum, MMA-raws li reactive resin systems muab kev sib raug zoo nyob rau hauv cov substrates sib txawv nrog kev kho sai thiab siab tawv.
6.3 Kev tsim kho & kev kho vaj tse
Tsawg-Viscosity MMA resin tshuab yog siv rau kev sib khi thiab sau cov kab nrib pleb hauv cov pob zeb, dej tsis qab, thiab cov flooring muaj khoom plig, khoom plig rau kev kho ntawm chav tsev kub thaum tswj huab cua tsis zoo.
6.4 Kev Siv Kho Mob
PMMA muab tau los ntawm MMA yog biocompatible nrog tib neeg cov ntaub so ntswg, ua rau nws yog ib qho tseem ceeb cov ntaub ntawv nyob rau hauv orthopedic pob txha cement thiab intraocular lens implants.
6.5 Lwm Cov Kev Siv Khoom Siv
MMA copolymer kuj tseem siv rau hauv mining flocculants, av stabilization polymers, oilfield drilling kua, textile finishing agents, thiab PVC cuam tshuam modifiers (raws li nyob rau hauv methyl methacrylate-butadiene-styrene, los yog MBS, resins).
7. Nail Products vs. Industrial MMA: Qhov txawv tseem ceeb
| Yam | Kev siv cov ntsia hlau | Kev siv tshuab |
|---|---|---|
| Kev tswj hwm xwm txheej | Txwv tsis pub / poob siab hauv ntau lub xeev Asmeskas | Kev cai lij choj thiab dav siv nrog kev tuav kom raug |
| Hom raug | Rov ua dua, kaw daim tawv nqaij / ua pa | Tswj kev kis tau raws li PPE thiab cov qauv ua pa |
| Risk Level | Txhim kho rau cov neeg siv khoom thiab cov kws tshaj lij | Tswj tau raws li OSHA thiab cov txheej txheem kev nyab xeeb kev lag luam |
| Purity/Quality Control | Feem ntau unregulated nyob rau hauv cov khoom siv | Ntau dua lossis sib npaug rau 99% qib kev lag luam, sau tseg ntawm COA / SDS |
| Tus neeg yuav khoom | Ib tus kheej lub khw / cov neeg siv khoom | Manufacturers ntawm yas, txheej, nplaum, khoom siv kho mob |
Qhov kev sib txawv no yog lub hauv paus rau kev nkag siab txog MMA: cov tshuaj nws tus kheej tsis muaj kev nyab xeeb - nws qhov kev pheej hmoo profile nyob ntawm ntau yam ntawm daim ntawv thov, qib raug, thiab kev tswj hwm hauv qhov chaw.
8. Dab tsi ua rau MMA haum rau kev siv
Ob peb lub hauv paus ntsiab lus piav qhia vim li cas MMA tseem yog qhov nyiam monomer thoob plaws hauv kev lag luam:
- Polymerization efficiency- yooj yim tsim cov hnyav molecular hnyav homopolymer thiab copolymer
- Optical clarity thiab UV stability- zoo tagnrho rau glazing thiab tso saib daim ntawv thov
- Hardness thiab abrasion kuj- txhim kho cov txheej txheem thiab cov nplaum nplaum
- Copolymer versatility- tau sib xws nrog styrene, butadiene, acrylic acid, thiab ntau yam acrylate esters los kho cov iav hloov kub (Tg) rau kev siv kawg
9. Kev Nyab Xeeb & Kev Taw Qhia Txog Kev Lag Luam MMA
Vim tias MMA yog nplaim taws thiab tuaj yeem ua rau muaj kev kub ntxhov, tshav kub- tsim homopolymerization yog tias tsis ruaj khov, kev lag luam tuav yuav tsum muaj kev tswj hwm nruj:
- Khaws nyob rau hauv ib qho inhibitor (feem ntau MEHQ los yog Topanol A) thiab tswj kom muaj cov pa oxygen txaus kom cov stabilizer zoo
- Khaws rau hauv qhov chaw txias, zoo - qhov cua kom deb ntawm qhov hluav taws kub thiab tshav ntuj ncaj qha
- Siv cov cuab yeej tiv thaiv tus kheej tsim nyog (PPE), suav nrog hnab looj tes, kev tiv thaiv qhov muag, thiab kev tiv thaiv ua pa uas tsis muaj qhov cua
- Nco ntsoov sab laj nrog Daim Ntawv Qhia Kev Nyab Xeeb (SDS) ua ntej tuav, khaws cia, lossis thauj
10. Methyl Methacrylate Specification & Supply rau Industrial Buyers
Tianjin Gnee Biotech Co., Ltd.muab kev lag luam -qib methyl methacrylate (CAS 80-62-6) nrog ntau dua lossis sib npaug li 99% purity, hloov pauv ntau lub ntim, thiab cov ntaub ntawv tag nrho rau cov neeg yuav khoom thoob ntiaj teb.
- Purity:Ntau dua lossis sib npaug li 99%
- Cov dej noo:Tsawg dua lossis sib npaug li 0.02%
- Inhibitor:MEHQ los yog Topanol A - cov neeg yuav khoom yuav tsum paub meej tias hom inhibitor thiab concentration nrog peb, vim qhov no cuam tshuam rau kev sib raug zoo nrog cov txheej txheem polymerization downstream
- Ntim:Nruas, IBC totes, thiab ISO tank ntim, txhawb nqa ob qho kev txiav txim mus sib hais thiab tag nrho cov thawv - thauj khoom thauj ntau rau txheej txheej, nplaum, kev tsim kho, thiab kev tsim khoom yas
- Cov ntsiab lus ua lag luam:FOB, CIF, thiab CFR muaj rau cov neeg yuav khoom thoob ntiaj teb
- Cov ntaub ntawv:COA, SDS, TDS, thiab Certificate of Origin yog muab raws li qhov kev thov los txhawb kev txheeb xyuas qhov zoo thiab kev ua raws cai
Peb tos ntsoov rau koj qhov kev nug txog kev ntseeg siab, ntev -kev koom tes muab khoom siv.
11. FAQ
methyl methacrylate siv rau dab tsi?
Methyl methacrylate feem ntau yog siv los tsim PMMA (acrylic) plastics, nrog rau cov coatings, adhesives, resins, thiab kho mob - cov ntaub ntawv qib xws li cov pob txha cement.
Puas yog MMA muaj kev nyab xeeb rau cov khoom ntsia thawv?
MMA poob siab rau kev siv cov ntsia hlau hauv ntau lub xeev Asmeskas vim muaj kev pheej hmoo ntawm cov tawv nqaij rhiab heev, ua pa ua pa, thiab cov ntsia hlau puas nrog rov raug dua. Muaj kev nyab xeeb dua lwm yam xws li EMA tau pom zoo.
Qhov txawv ntawm MMA thiab EMA yog dab tsi?
MMA kho sai dua thiab tsim kom muaj kev sib zog, nruj dua, tab sis nyuaj dua tshem tawm thiab ua rau muaj kev pheej hmoo ntau dua hauv kev siv tshuaj pleev ib ce. EMA muaj qhov hloov tau yooj yim dua, tshem tau, thiab kev lag luam - txais lwm txoj hauv kev rau daim ntawv thov ntsia thawv.
Cov kev lag luam twg siv methyl methacrylate?
MMA yog siv thoob plaws hauv kev tsim khoom, txheej thiab xim, nplaum thiab sealants, kev tsim kho thiab kev kho vaj tse, thiab kev tsim khoom siv kho mob.
Puas yog MMA tib yam li acrylic?
MMA yog cov monomer siv los tsim PMMA, feem ntau hu ua acrylic. MMA nws tus kheej yog kua raw khoom; acrylic (PMMA) yog cov khoom polymer tsim tom qab MMA polymerizes.
Kuv puas tuaj yeem tau txais ntau qhov ntau ntawm kev lag luam -qib MMA?
Yog lawm. Kev lag luam- qib MMA (Ntau dua lossis sib npaug li 99% purity) muaj nyob rau hauv nruas, IBC, thiab ISO tank ntim, nrog FOB, CIF, thiab CFR cov nqe lus kev lag luam los txhawb ob qho tib si mus sib hais thiab ntau thoob ntiaj teb kev txiav txim.
Yuav ua li cas MMA xa tawm thoob ntiaj teb?
MMA raug xa tawm raws li kev ruaj khov, txwv tsis pub ua kua los ntawm txoj kev, tsheb ciav hlau, thiab kev thauj mus los hauv hiav txwv raws li cov khoom siv phom sij thauj khoom, nrog SDS cov ntaub ntawv yuav tsum tau ua raws li kev thauj mus los.