Methacrylate methyl

Magaca Shiinaha: Methacrylate Methacrylate, oo loo yaqaan MMA waa walxo kiimiko ah oo ceeriin ah oo muhiim ah oo iskiis isku dhejin kara ama la koobi kara monomers kale iyadoo ay jiraan iftiin iyo kulayl ama kiciyayaal. Waxaa inta badan loo isticmaalaa in lagu soo saaro polymethyl methacrylate (PMMA gaaban) iyo polyvinyl chloride modifiers (sida ACR, MBS). Waxa kale oo loo isticmaali karaa dahaarka, xabagta, daabacaadda dunta iyo kaabayaal midabaynta iyo meelo kale. Waxay leedahay adeegsi aad u ballaaran.

Habka ugu muhiimsan ee MMA
Waxaa jira habab badan oo isku dhafan oo loogu talagalay MMA, oo ay ku jiraan habka acetone cyanohydrin (habka ACH), habka isobutylene / tert-butanol oxidation (Habka C4), habka ethylene (hab C2), habka methanol-methyl acetate (C1 habka), iwm. Ilaa tooda Lambarka kaarboonka ee alaabta ceeriin wuu ka duwan yahay waxaana loo qaybin karaa waddada C1, waddada C2, waddada C3 iyo waddada C4.
Marka loo eego dhinaca caalamiga ah, habka wax soo saarka inta badan la isticmaalo waa habka ACH. Tiknoolajiyada nidaamkani waa mid qaan-gaadh ah, deggan oo fudud, oo xisaabinaysa ilaa 61.6% wax-soo-saarka adduunka, oo inta badan ku urursan Waqooyiga Ameerika, Galbeedka Yurub, iyo Shiinaha; oo ay ku xigto habka C4, oo ay soo saartay Japan Shokubai Kiimikada ay soo saartay Shirkadda Warshadaha iyo Shirkadda Mitsubishi Rayon ee 1982, tignoolajiyada ayaa horumarsan, alaabta ceeriin waa kuwo aan sun ahayn oo aan waxyeello lahayn, waxaa jira alaabooyin yar oo ka mid ah qiimaha waa yar yahay, xisaabinta. qiyaastii 30.5% wax soo saarka adduunka.

Guryaha Kiimikada

Dareere aan midab lahayn, si fudud u kacsan. Waxay ku milmi karaan dareerayaasha kala duwan ee dabiiciga ah sida ethanol, ether, acetone, iwm. Waxoogaa ku milma glycol ethylene iyo biyo

Isticmaalka:

Inta badan waxaa loo isticmaalaa sidii monomer ah galaas organic, iyo sidoo kale loo isticmaalo in lagu sameeyo balaastikada kale, dahaarka, iwm.

dabeecadda

CAS No. 80-62-6

Qaaciddada molecular C5H8O2

Miisaanka molecular 100.12

EINECS No. 201-297-

Meesha dhalaalka -48°C ( shid)

Barta karkarinta 100°C ( shid)

Cufnaanta 0.936g/ml at 25°C (iftiin)

Cufnaanta uumiga 3.5 (Vsair)

Cadaadiska uumiga 29mmHg (20°C)

Barta fiishka 50°F

Xaaladaha kaydinta 2-8°C Solubility 15g/l Foomka budada Crystalline ama crystalline

Macluumaadka Xiriirka

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