Methyl methacrylate (Methyl ester o te 2-methyl-2-propenoic acid)

Te matūnature

Ko te Methyl 2-methyl-2-propenoate he kakara, he haunga.I tetahi atu purongo e kii ana he kakara koi, he kakara hua,Ko te Methyl methacrylate he pūhui waro me te tātai CH₂=C(CH₃)COOCH₃.Ko tenei wai kore tae, te methyl ester o te waikawa methacrylic (MAA) he monomer i hangaia i runga i te tauine nui mo te hanga poly(methyl methacrylate) (PMMA).

Nga tono

Ka whakamahia te Methyl methacrylatec i roto i nga raima wheua kiriaku e whakamahia ana i roto i te pokanga orthopedic;i roto i te hanga polymers kiriaku, polymethylmethacrylate me copolymers whakamahia i roto i te paninga mata kiriaku;i roto i te hanga o nga polymers whakaehunga;i roto i te whakarereketanga o nga kapia polyester haunga;i roto i te hanga o te methacrylate teitei ake, te muka kiriaku, te kiriata kiriaku, te mangumangu, te whakapouri iraruke-polymerized mo te rakau, me te whakapiri whakarewa me te here;hei whakarereke i te paanga o te PVC;i roto i nga whakapiringa rehu rongoa;i roto i nga whakarewa takai kore irritant;i roto i te hangarau niho hei whakakii uku, sima ranei;ki te whakakakahu i nga arotahi whakapiri kiri;i roto i nga arotahi i roto i te kanohi, i nga whao horihori, me nga taonga whakarongo;hei monomer mo nga kapia polymethaerylate;i roto i te impregnation o te raima c.

Tinanaform

He wai marama, kore tae me te hongi, he kakara hua

Te akomanga morearea

3

Te ora papa

E ai ki o maatau wheako, ka taea te penapena i te hua mo te 12 marama mai i te ra i tukuna mai mena ka mau ki roto i nga ipu kua hirihia, ka tiakina mai i te marama me te wera me te rongoa i te pāmahana i waenga i te 5 - 30.°C

Tāhuatanga ypical

Te rewa

-48 °C (marama)

Kohuatanga

100 °C (marama)

kiato

0.936 g/mL i te 25 °C (marama)

kiato kohu

3.5 (me te hau)

pehanga kohu

29 mm Hg (20 °C)

taupū huritao

n20/D 1.414(marama)

pāmahana rokiroki.

2-8°C

Fp

50 °F