ʻO ka Premium Dimethylacetamide (DMAc): ʻO ka Solvent Polar Hana Kiʻekiʻe no nā ʻoihana holomua
Nā Kahua Noi Nui
1. ʻOihana Polymer: Hoʻāla i nā Mea Hana Kiʻekiʻe
ʻO DMAc kahi kihi i ka hana ʻana o nā polymers holomua, ʻoi aku hoʻi i ka synthesis o nā fibers ikaika kiʻekiʻe a me nā kiʻiʻoniʻoni:
Nā olonā Aramid:
I ka hana ʻana o nā olonā aramid (e laʻa, Kevlar®), lawelawe ʻo DMAc ma ke ʻano he mea hoʻoheheʻe no ka polyamide polymerization, e hiki ai ke hana i nā mea ikaika loa i hoʻohana ʻia i nā ʻaʻahu pale pōkā, nā hui aerospace, a me nā kaula ʻoihana. No ka laʻana, hilinaʻi nā ʻoihana pale kaua US iā DMAc e hana i nā olonā aramid me nā ikaika tensile e ʻoi aku ma mua o 3,600 MPa.
Nā Kiʻiʻoniʻoni Polyimide:
Hoʻohana ʻia i ka hana ʻana o nā kiʻiʻoniʻoni polyimide (PI) (e laʻa, Kapton®), hoʻoheheʻe ʻo DMAc i nā precursors polyamic acid, e ʻae ana i ka kaohi pololei ʻana o ka mānoanoa o ke kiʻiʻoniʻoni a me nā waiwai optical. He mea koʻikoʻi kēia mau kiʻiʻoniʻoni i nā mea uila maʻalahi (e laʻa, nā hōʻike OLED, nā PCB maʻalahi) a me ka insulation wela kiʻekiʻe i nā mīkini kaʻa.
Spandex a me nā olonā Synthetic:
I ka hana ʻana i nā lole (e like me nā hale hana spandex ʻĀsia), hoʻomaʻamaʻa ka DMAc i ka milo ʻana o nā olonā polyurethane, e hōʻoiaʻiʻo ana i ke anawaena like a me ka elasticity i nā lole i hoʻohana ʻia no nā lole haʻuki a me nā lole hoʻopili lapaʻau.
2. Lāʻau lapaʻau & Biotechnology: Mea hoʻoheheʻe a me ka Reaction Medium
Hana ʻana i nā lāʻau lapaʻau:
Hana ʻo DMAc ma ke ʻano he mea hoʻoheheʻe maʻalahi i nā mea waena lāʻau lapaʻau a me ka hana ʻana i nā mea hana lāʻau lapaʻau ikaika (API). ʻO kona hiki ke hoʻoheheʻe i nā hui organik a me nā mea ʻole organik e kūpono ia no ka condensation, cyclization, a me nā hopena oxidation. No ka laʻana, hoʻohana ʻia ia i ka synthesis o nā lāʻau antiretroviral (e laʻa, nā mea hoʻopaʻa protease HIV) ma nā hale hana lāʻau lapaʻau ʻEulopa.
Kākoʻo Hoʻolālā:
I loko o nā ʻano hana topical (e laʻa me nā kirīmi, nā gels), hoʻonui ka DMAc i ke komo ʻana o nā lāʻau lipophilic ma o ka ʻili, e hoʻomaikaʻi ana i ka bioavailability. Hoʻohana ʻia nō hoʻi ia i loko o nā hopena parenteral no kona haʻahaʻa haʻahaʻa a me ka kūlike me ka physiology kanaka (LD₅₀ > 3,000 mg/kg i nā ʻiole).
Nā noi Biotech:
I ka hana ʻana o ka biopharmaceutical, hoʻohana ʻia ka DMAc i nā kaʻina hana hoʻomaʻemaʻe protein, e like me ka chromatography, e hoʻoheheʻe i nā protein membrane a hoʻomaikaʻi i ka pono hoʻokaʻawale.
3. ʻOihana Uila a me Semiconductor: Precision Solvent no ka Microfabrication
Ka wehe ʻana i ka Photoresist:
I ka hana ʻana o ka semiconductor, hoʻohana ʻia ka DMAc i nā kaʻina hana hoʻomaʻemaʻe holomua e wehe i nā koena photoresist paʻakikī mai nā wafers silicon. ʻO kona solvency kiʻekiʻe no nā photoresists e pili ana i ka epoxy e lilo ia i mea nui loa i ka nanolithography (e laʻa, EUV lithography no nā node chip 3nm).
OLED a me ka Hana ʻana i ka Hōʻike:
I ka hana ʻana o nā diode hoʻoemi kukui organik (OLED), hoʻoheheʻe ʻo DMAc i nā semiconductors organik a me nā dopants, e hiki ai ke waiho like ʻia ka ʻili lahilahi ma o ka paʻi ʻana inkjet a i ʻole ka uhi wili. Hoʻohana nā mea hana hōʻike Korea iā DMAc e hoʻokō i ka pololei o ka pixel a hiki i nā unahi micrometer.
Ka hoʻopili uila a me ke kālai ʻana:
Hana ma ke ʻano he co-solvent i loko o nā ʻauʻau electroplating no ke gula a me ke keleawe, e hoʻomaikaʻi ana i ka like ʻana o ka waiho ʻana i nā ʻenehana hoʻopili holomua (e laʻa, 3D ICs, fan-out wafer level packaging).
4. Hana ʻana i ka lole a me ka ʻili: Nā hoʻonā hoʻomau
ʻO ka milo ʻana o ke olonā hana:
I ka hana ʻana o nā olonā acrylic, pani ʻo DMAc i nā mea hoʻoheheʻe ʻawahia hou aʻe (e laʻa, dimethylformamide, DMF), e hāʻawi ana i ka solvency like me ka hopena haʻahaʻa o ke kaiapuni. Hoʻohana nā hale hana lole ʻEulopa i ka DMAc i nā kaʻina hana eco-friendly i hōʻoia ʻia e ka OEKO - TEX® Standard 100.
Ka Hoʻomāʻeleʻele ʻIli:
Ma ke ʻano he pani no nā mea hana tanning kuʻuna, hoʻonui ka DMAc i ke komo ʻana o nā tannins mea kanu, e hana ana i ka ʻili palupalu a ʻoi aku ka hanu no nā waiwai hanohano (e like me nā ʻeke lima ʻili Italia). ʻO kona haʻahaʻa haʻahaʻa e hōʻemi ana i nā hoʻokuʻu VOC i nā hale tanning.
5. Hoʻomaʻemaʻe ʻoihana a me ka unuhi ʻana: Ka pono a me ka palekana
Ka Hoʻohemo ʻAila Metala:
I nā ʻoihana aerospace a me nā kaʻa, wehe ʻo DMAc i ka ʻaila, ka momona, a me nā koena flux mai nā ʻāpana kikoʻī (e like me nā pahi turbine, nā ʻāpana mīkini). ʻO kona kiko paila kiʻekiʻe (166°C) e hōʻoia i ka emi ʻana o ka mahu i ka wā o ka hoʻomaʻemaʻe ultrasonic, e hōʻemi ana i ka nalowale o ka solvent.
Ka Hoʻopuka Huahana Kūlohelohe:
Hoʻohana ʻia i ka unuhi ʻana o nā pigments kūlohelohe (e like me nā carotenoids mai ka algae) a me nā lāʻau lapaʻau mai nā mea kanu, hāʻawi ʻo DMAc i ka solvency koho me ka ʻole o ka hoʻopilikia ʻana i ka bioactivity o nā pūhui i manaʻo ʻia.
Nā kikoʻī
| Inoa Huahana | ʻAkika Propionic | |||||||||
| Formula Kemika | C3H6O2 | |||||||||
| Kaumaha Molekala | 74.08 g/mol | |||||||||
| helehelena | Wai moakāka ʻole kala | |||||||||
| Kiko Heheʻe | -20.8℃ | |||||||||
| Kikowaena paila | 141.1℃ | |||||||||
| Ka nui o ka paʻa | 0.993 g/cm³ | |||||||||
| Helu Kūʻai | 79 - 09 - 4 | |||||||||
| Kaʻina HS | 29155000 | |||||||||
| ʻAʻohe EINECS | 201 - 176 - 3 | |||||||||
| Noi | Hoʻopili ʻia i loko o nā plastics, pharma, meaʻai, nā mea hoʻoheheʻe a me nā mea ʻala | |||||||||
Palapala Mana Kūlana
| Inoa Huahana | ʻAkika Propionic | ||||||
| MEA | KA WAIWAI MAʻAMAU（%） | KA WAIWAI HOʻĀʻO（%） | |||||
| Ka nui o ka waikawa Propionic, w/%≥ | 99.5 | 99.9 | |||||
| Ka nui (20/20 ℃) | 0.993-0.997 | 0.996 | |||||
| Pae paila/℃ | 138.5-142.5 | 139.4-141.1 | |||||
| Koena mahu, w/% ≤ | 0.01 | 0.006 | |||||
| Wai, w/% ≤ | 0.15 | 0.02 | |||||
| ʻAldehyde,w/%≤ | ≤0.05 | 0.04 | |||||
| ka hoʻomakeʻe maʻalahi, w/% ≤ | ≤0.05 | 0.01 | |||||
| Pb mg/kg≤ | 2.0 | ≤2.0 | |||||
| E like me mg/kg≤ | 3.0 | ≤3.0 | |||||
| Hopena | E kūlike me nā kūlana o GB 1886.210-2016 | ||||||
Ka maikaʻi a me ke kūlike
Nā Papa Maʻemaʻe:
Papa Uila: ≥99.9% maʻemaʻe, me nā ion metala ≤1 ppm, e hoʻokō ana i nā kūlana SEMI C8 no ka hoʻohana semiconductor.
Papa lāʻau lapaʻau: Kūlike me USP, EP, a me JP, me ka ʻike wai ≤0.1% a me ka absorbance UV ≤0.05 ma 260 nm.
Papa ʻOihana: ≥99% maʻemaʻe, kūpono no nā noi polymer a me nā lole, me ka haʻahaʻa o ka sulfur a me ka chloride.
Ka Hoʻomau:
Hana ʻia ma o ka amidation catalytic o ka acetic anhydride me ka dimethylamine, me ka hoʻohana ʻana i ka distillation ikehu-kūpono a me nā ʻōnaehana hoʻōla solvent.
Hiki ke hana hou ʻia a kūlike me nā kaʻina hana ʻoihana pani ʻia, e kūlike ana me nā pahuhopu o ka EU Circular Economy Action Plan.
Palekana:
Hoʻopili ʻia i loko o nā pahu kila kila a i ʻole nā pahu ISO, me ka mālama piha ʻana o MSDS a me ka lepili GHS no ka lawe palekana (UN 2265, Papa 3).
No ke aha e koho ai i kā mākou Dimethylacetamide?
Inā ʻoe e hoʻomohala ana i nā polymers hanauna hou no ka aerospace, e hana ana i nā semiconductors kiʻekiʻe loa, a i ʻole e hana ana i nā lāʻau lapaʻau hou, hāʻawi kā mākou DMAc i ka solvency a me ka hilinaʻi kūlike ʻole. Me ke kākoʻo loea honua a me kahi kaulahao lako i hoʻonohonoho pono ʻia no ka lawe wikiwiki ʻana, hōʻoia mākou e pōmaikaʻi ana kāu mau hana mai ka hana a me ke kūpaʻa o kēia solvent versatile.
E wehe i ka hiki o nā mea holomua me ka Premium Dimethylacetamide—kahi e hui ai ka pololei me ka hana ma kēlā me kēia ʻoihana.