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MMA (Methyl Methacrylate): Isi Monomer maka Polymers arụmọrụ dị elu

Methyl methacrylate (MMA) bụ ihe dị mkpa e ji emepụta kemịkalụ organic mee, nke nwere usoro kemịkalụ C₅H₈O₂. Ọ bụ mmiri mmiri na-enweghị agba, nke na-enwu gbaa, nke nwere isi pụrụ iche, a na-ejikwa ya eme ihe nke ukwuu n'imepụta resin sịntetik, plastik, mkpuchi, ihe nrapado, na ihe anya. Izizi ojiji nke MMA bụ monomer maka imepụta polymethyl methacrylate (PMMA), plastik injinia dị elu nke a maara maka nghọta ya dị mma, iguzogide ihu igwe, na ihe onwunwe igwe. A na-akpọkarị PMMA "acrylic" ma ọ bụ "plexiglass."

    Ubi Ngwa Ndị Dị Mkpa

    N'ụlọ ọrụ plastik, a na-ejikarị PMMA eme ihe maka imepụta mpempe akwụkwọ, tubes, na ngwa anya n'ihi ihe ndị dị na ya nke ọma. Ọ na-enye nnukwu nghọta, obere ihe ngosi na-agbanwe agbanwe, yana ezigbo iguzogide UV, nke na-eme ka ọ dabara adaba maka ngwa dịka akara ngosi, ihe ngosi, ọkụ ụgbọ ala, na ihe mkpuchi ụgbọelu. Na mgbakwunye, ezigbo iguzogide kemịkalụ na ike igwe nke PMMA na-eme ka ọ dị mma maka ngwa nhazi nri na ngwaọrụ ahụike.

    N'ihe gbasara mkpuchi na ihe nrapado, a na-eji MMA emepụta ọtụtụ ihe nrapado dị elu. Ihe nrapado ndị a na-egosipụta nrapado dị mma, iguzogide ihu igwe, na iguzogide kemịkalụ, na-eme ka ha bụrụ ihe a na-ejikarị eme ihe n'ihe gbasara ụlọ, ihe nrapado ụgbọala, na ihe nrapado ngwaọrụ eletrọnịkị. A na-eji ihe nrapado dabere na MMA, nke a maara maka ọgwụgwọ ngwa ngwa na ikike njikọ siri ike, eme ihe nke ukwuu maka ijikọ ihe osisi, ígwè, na plastik.

    N'ihe gbasara ihe anya, MMA bụ isi ihe eji emepụta eriri anya na lenzi. Njirimara anya ya dị elu na iguzogide ihu igwe na-eme ka ọ bụrụ ihe kacha mma maka ngwa anya, gụnyere ngwaọrụ nkwukọrịta eriri optic na lenzi anya dị elu. Na mgbakwunye, a na-eji MMA eme ihe na mmepụta nke nduzi ìhè na ihe mmetụta anya.

    N'ime ụlọ ọrụ mmepụta ihe, a na-eji MMA emepụta ihe mejupụtara methyl methacrylate resin. Ihe mejupụtara ndị a na-enye ike dị elu, obere njupụta, na ezigbo iguzogide nchara, na-eme ka ha bụrụ ihe a na-ejikarị eme ihe na ngwa ngwa ụgbọelu, ụgbọ ala, na egwuregwu. Dịka ọmụmaatụ, a na-eji ihe mejupụtara MMA eme ihe na nku ụgbọelu, ahụ ụgbọala, na klọb golf.

    Nkọwapụta

    Aha Ngwaahịa Methyl Methacrylate (MMA)
    MF C₅H₈O₂
    Ọdịdị Mmiri mmiri doro anya nke na-enweghị agba
    Ibu Molekụla 100.12
    CAS NO 80-62-6
    Koodu HS 29161400
    EINECS NO 201-297-1
    Ngwa Mmepụta plexiglass, ihe mkpuchi

    Mpempe akwụkwọ njikwa mma

    Aha Ngwaahịa METHYL METHACYLATE (MMA)
    ÀGWÀ Nkọwapụta Nsonaazụ Nyocha
    Ọdịdị Mmiri Na-enweghị Agba Mmiri Na-enweghị Agba
    Ịdị ọcha, % Nkeji 99.8% 99.92%
    Agba (Hazen) ≤ 10 5
    Ọdịnaya Mmiri/mg/kg ≤ 400 101
    Oke Asịd(mg/kg) ≤50 10
    Njupụta (20℃)/(g/m3) 0.942-0.944 0.94%
    IHE Ọkọlọtọ Nsonaazụ ule
    ỊDỊ ỌCHA (M/M), PCT ≤ 100% 99.96%
    MMIRI,MG/KG≤ narị isii 37
    Acid dị ka methacry acid 100 20
    AGBA (HAZEN), 10 KACHASỊ 10 5.00%
    Njupụta (20) (g/cm3) 0.942-0.946 0.944

    Na nchịkọta

    Site na ọganihu na-aga n'ihu na teknụzụ, ngalaba ojiji nke MMA na-agbasa mgbe niile. Dịka ọmụmaatụ, n'ụlọ ọrụ mbipụta 3D, a na-eji MMA emepụta ihe obibi akwụkwọ 3D dị elu. N'ọhịa ọgwụ, a na-eji MMA emepụta ihe ahụike nwere ike imebi emebi na ihe owuwu injinia anụ ahụ. Ọrụ dị iche iche na arụmọrụ dị elu nke MMA na-eme ka ọ bụrụ ihe dị mkpa na ụlọ ọrụ ọgbara ọhụrụ, na-enye nkwado siri ike maka mmepe nke ọtụtụ ngalaba.