MMA (Methyl Methacrylate): Monomer Koʻikoʻi no nā Polymers Hana Kiʻekiʻe
Nā Kahua Noi Nui
I loko o ka ʻoihana palakiko, hoʻohana nui ʻia ka PMMA no ka hana ʻana i nā pepa moakaka, nā paipu, a me nā mea hana optical ma muli o kona mau waiwai optical kiʻekiʻe. Hāʻawi ia i ka transparency kiʻekiʻe, ka refractive index haʻahaʻa, a me ke kūpaʻa UV maikaʻi loa, e kūpono ai no nā noi e like me nā hōʻailona, nā kū hōʻikeʻike, nā kukui hope kaʻa, a me nā canopies mokulele. Eia kekahi, ʻo ke kūpaʻa kemika maikaʻi o ka PMMA a me ka ikaika mechanical e kūpono ai no nā lako hana meaʻai a me nā mea lapaʻau.
Ma ka ʻāpana uhi a me nā mea hoʻopili, hoʻohana ʻia ʻo MMA e hana i nā resins hana kiʻekiʻe like ʻole. Hōʻike kēia mau resins i ka hoʻopili maikaʻi loa, ke kūpaʻa i ka wā, a me ke kūpaʻa kemika, e hoʻohana nui ʻia ai i nā uhi hoʻolālā hale, nā uhi kaʻa, a me ka encapsulation hāmeʻa uila. ʻO nā mea hoʻopili i hoʻokumu ʻia ma MMA, i ʻike ʻia no ko lākou hoʻōla wikiwiki a me nā hiki ke hoʻopaʻa ikaika kiʻekiʻe, hoʻohana nui ʻia no ka hoʻopaʻa ʻana i ka lāʻau, ka metala, a me nā mea plastik.
Ma ke kahua o nā mea optical, ʻo MMA kahi mea maka koʻikoʻi no ka hana ʻana i nā fibers optical a me nā aniani. ʻO kona mau waiwai optical kiʻekiʻe a me ke kūpaʻa ʻana i ka wā e lilo ia i mea kūpono no nā noi optical, me nā mea kamaʻilio fiber optic a me nā aniani optical hana kiʻekiʻe. Eia kekahi, hoʻohana ʻia ʻo MMA i ka hana ʻana i nā alakaʻi kukui a me nā mea ʻike optical.
I loko o ka ʻoihana composites, hoʻohana ʻia ʻo MMA e hana i nā composites resin-based methyl methacrylate. Hāʻawi kēia mau composites i ka ikaika kiʻekiʻe, ka haʻahaʻa haʻahaʻa, a me ke kūpaʻa maikaʻi loa i ka pala, e hoʻohana nui ʻia ai lākou i nā noi aerospace, automotive, a me nā lako haʻuki. No ka laʻana, hoʻohana ʻia nā composites MMA i nā ʻēheu mokulele, nā kino kaʻa, a me nā kalapu kolepa.
Ma ka ʻāpana uhi a me nā mea hoʻopili, hoʻohana ʻia ʻo MMA e hana i nā resins hana kiʻekiʻe like ʻole. Hōʻike kēia mau resins i ka hoʻopili maikaʻi loa, ke kūpaʻa i ka wā, a me ke kūpaʻa kemika, e hoʻohana nui ʻia ai i nā uhi hoʻolālā hale, nā uhi kaʻa, a me ka encapsulation hāmeʻa uila. ʻO nā mea hoʻopili i hoʻokumu ʻia ma MMA, i ʻike ʻia no ko lākou hoʻōla wikiwiki a me nā hiki ke hoʻopaʻa ikaika kiʻekiʻe, hoʻohana nui ʻia no ka hoʻopaʻa ʻana i ka lāʻau, ka metala, a me nā mea plastik.
Ma ke kahua o nā mea optical, ʻo MMA kahi mea maka koʻikoʻi no ka hana ʻana i nā fibers optical a me nā aniani. ʻO kona mau waiwai optical kiʻekiʻe a me ke kūpaʻa ʻana i ka wā e lilo ia i mea kūpono no nā noi optical, me nā mea kamaʻilio fiber optic a me nā aniani optical hana kiʻekiʻe. Eia kekahi, hoʻohana ʻia ʻo MMA i ka hana ʻana i nā alakaʻi kukui a me nā mea ʻike optical.
I loko o ka ʻoihana composites, hoʻohana ʻia ʻo MMA e hana i nā composites resin-based methyl methacrylate. Hāʻawi kēia mau composites i ka ikaika kiʻekiʻe, ka haʻahaʻa haʻahaʻa, a me ke kūpaʻa maikaʻi loa i ka pala, e hoʻohana nui ʻia ai lākou i nā noi aerospace, automotive, a me nā lako haʻuki. No ka laʻana, hoʻohana ʻia nā composites MMA i nā ʻēheu mokulele, nā kino kaʻa, a me nā kalapu kolepa.
Nā kikoʻī
| Inoa Huahana | Methyl Methacrylate (MMA) | |||||||||
| MF | C₅H₈O₂ | |||||||||
| helehelena | Wai ʻaʻohe kala maopopo | |||||||||
| Kaumaha Molekala | 100.12 | |||||||||
| Helu Kūʻai | 80-62-6 | |||||||||
| Kaʻina HS | 29161400 | |||||||||
| ʻAʻohe EINECS | 201-297-1 | |||||||||
| Noi | Ke hana ʻana i ka plexiglass, nā uhi | |||||||||
Palapala Mana Kūlana
| Inoa Huahana | METHYL METHACRYLATE (MMA) | ||||||
| NĀ ʻANO | KIKOʻĪ | HOPENA KĀLĀʻIKE | |||||
| helehelena | Wai moakaka ʻole kala | Wai moakaka ʻole kala | |||||
| Maʻemaʻe, % | ʻoi aku ka liʻiliʻi o 99.8% | 99.92% | |||||
| Waihoʻoluʻu (Hazen) | ≤ 10 | 5 | |||||
| Ka nui o ka wai/mg/kg | ≤ 400 | 101 | |||||
| Ka Lāki ʻakika (mg/kg) | ≤50 | 10 | |||||
| Ka nui (20 ℃)/(g/m3) | 0.942-0.944 | 0.94% | |||||
| MEA | KŪMAU | HOPENA HOʻĀʻO | |||||
| MAʻEMAʻE (M/M), PCT ≤ | 100% | 99.96% | |||||
| KA MAKU,MG/KG≤ | 600 | 37 | |||||
| ʻAkika e like me ka Methacry Acid | 100 | 20 | |||||
| KALA (HAZEN), 10 MAX | 10 | 5.00% | |||||
| Ka nui (20) (g/cm3) | 0.942-0.946 | 0.944 | |||||
I ka hōʻuluʻulu manaʻo
Me ka holomua mau ʻana o ka ʻenehana, ke hoʻonui mau nei nā kahua noi o MMA. No ka laʻana, ma ka ʻoihana paʻi 3D, hoʻohana ʻia ʻo MMA e hana i nā mea paʻi 3D hana kiʻekiʻe. Ma ke kahua biomedical, hoʻohana ʻia ʻo MMA e hana i nā mea lapaʻau biodegradable a me nā scaffolds ʻenekinia ʻiʻo. ʻO ka multifunctionality a me ka hana kiʻekiʻe o MMA e hoʻolilo iā ia i mea pono ʻole i ka ʻoihana hou, e hāʻawi ana i ke kākoʻo ikaika no ka hoʻomohala ʻana o nā ʻāpana he nui.