Qhov sib txawv tseem ceeb ntawm acrylate thiab methacrylate yog acrylates yog cov derivatives ntawm acrylic acid, whereas methacrylates yog cov derivatives ntawm methacrylic acid.
Cov ntsiab lus acrylate thiab methacrylate pib los ntawm cov ntsiab lus acrylic acid thiab methacrylic acid, feem. Qhov ntawd txhais tau tias, acrylates thiab methacrylates yog derivatives ntawm acrylic acid thiab methacrylic acid.
YAcrylate yog dab tsi?
Acrylates yog derivatives ntawm acrylic acid. Ntawm no, derivatives feem ntau yog xa mus rau ntsev, esters thiab conjugate bases. Cov acrylate ion muaj cov tshuaj formula CH2=CHCOO-. Yog li ntawd, nws yog ib qho anion muaj -1 tsis zoo nqi. Cov anion no tuaj yeem ua ke nrog cov cations sib txawv los tsim cov ntsev thiab lwm cov ionic compounds. Feem ntau, lo lus acrylate yog hais txog esters ntawm acrylic acid, piv txwv li. methyl acrylate.
Daim duab 01: Cov qauv tshuaj ntawm Acrylate Anion
Ib qho acrylate anion muaj ib pawg vinyl. Cov vinyl pawg no yog txuas ncaj qha mus rau carbonyl carbon atom. Vim muaj cov vinyl pawg no, cov acrylate compound ua bifunctional; pawg vinyl tuaj yeem dhau los ua polymerization thaum pawg carboxylate nqa myriad functionality.
Acrylate compounds yog cov monomers uas muaj txiaj ntsig zoo hauv kev tsim cov khoom siv polymer. E.g. Kev tsim cov acrylate polymers. Acrylate compounds tau yooj yim undergo polymerization, thiab muaj ntau yam acrylate-functionalized monomers zoo li.
Nyob rau hauv kev lag luam nplai, peb tuaj yeem npaj cov tshuaj acrylate siv ib txoj hauv kev uas yuav kho cov kua qaub acrylic nrog cov cawv uas tsim nyog. Cov tshuaj tiv thaiv no yuav tsum muaj cov catalyst xws li sulfuric acid yog tias nws pib nrog cawv uas muaj cov pa roj carbon ntau. Cov tshuaj tiv thaiv no yuav tsum tau ua nyob rau hauv ib theem homogenous thiaj li yuav tau txais cov khoom kawg. Tab sis yog tias peb siv cov pa roj carbon tsawg atom cawv rau cov tshuaj tiv thaiv no, cov catalyst heterogeneous uas yog acidic yog tsim nyog. Txawm li cas los xij, peb tuaj yeem tau txais acrylates nrog cov ntsiab lus carbon atom siab heev uas siv cov tshuaj tiv thaiv transesterification ntawm qis esters siv cov catalyst titanium cawv.
Methacrylate yog dab tsi?
Methacrylates yog derivatives ntawm methacrylic acid. Cov niam txiv acid (methacrylic acid), ntsev, esters thiab polymers yog suav nrog cov derivatives ntawm methacrylic acid. Hauv lwm lo lus, methacrylic acid muaj cov tshuaj formula CH2C(CH3)CO2H, ntsev xws li CH2(CH3)CO2-Na+, esters xws li CH2C(CH3)CO2CH3 (methyl methacrylate) thiab methacrylate polymers raug suav hais tias ua ke ua methacrylate compounds.
Daim duab 02: Methyl Methacrylate Monomer
Feem ntau, methacrylates yog monomers hauv kev tsim cov khoom siv polymer. Cov khoom kawg ntawm hom polymerizations yog acrylate polymer khoom. Ntawm no, methacrylates tau yooj yim undergo polymerization vim hais tias lawv muaj ib tug heev reactive ob daim ntawv cog lus. Qee zaum, cov tshuaj methacrylate yog siv los ua cov monomer resin rau cov khoom siv kho cua sov, tshuaj kho hniav thiab ua cov pob txha pob txha los kho cov khoom siv pob txha hauv kev phais orthopedic.
Qhov txawv ntawm Acrylate thiab Methacrylate yog dab tsi?
Acrylates thiab methacrylates yog cov organic tebchaw. Qhov sib txawv tseem ceeb ntawm acrylate thiab methacrylate yog acrylates yog cov derivatives ntawm acrylic acid, whereas methacrylates yog cov derivatives ntawm methacrylic acid. Tsis tas li ntawd, cov acrylate anion muaj ib pawg vinyl txuas rau pawg carboxylate. Tab sis nyob rau hauv methacrylate anion, vinyl pawg muaj ib pawg methyl ntxiv, uas ua rau nws lub npe meth-acrylate. Yog li, qhov no yog qhov sib txawv ntawm cov acrylate thiab methacrylate.
Hauv qab infographic tabulates qhov sib txawv ntawm acrylate thiab methacrylate.
Summary – Acrylate vs Methacrylate
Acrylates thiab methacrylates yog cov organic tebchaw. Qhov sib txawv tseem ceeb ntawm acrylate thiab methacrylate yog acrylates yog cov derivatives ntawm acrylic acid, whereas methacrylates yog cov derivatives ntawm methacrylic acid. Ob qho tib si acrylate thiab methacrylate tebchaw yog ib qho tseem ceeb raws li monomers rau polymer ntau lawm. Ntxiv rau qhov ntawd, methacrylates kuj tseem siv los ua cov monomer resin rau cov khoom siv kho cua sov, cov khoom siv kho hniav thiab ua cov pob txha pob txha los kho cov khoom siv hauv kev phais orthopedic.
