Dimethylacetamide Kounga (DMAc): Te Whakarewa Polar Mahi-Tiketike mō ngā Ahumahi Matatau
Ngā Āpure Tono Matua
1. Ahumahi Pūmua: Te Whakahohe i ngā Rauemi Mahi-Tiketike
He poutokomanawa te DMAc i roto i te hanga i ngā pūmua matatau, inā koa i roto i te hanga i ngā muka me ngā kiriata kaha-teitei:
Ngā muka Aramid:
I roto i te hanga muka aramid (hei tauira, Kevlar®), ko te DMAc te whakarewa mō te polyamide polymerization, e āhei ai te hanga rauemi tino kaha e whakamahia ana i roto i ngā koti ārai matā, ngā mea hanga rererangi, me ngā taura ahumahi. Hei tauira, ka whakawhirinaki ngā kaimahi tiaki o Amerika ki te DMAc hei hanga muka aramid me te kaha kume neke atu i te 3,600 MPa.
Ngā Kiriata Polyimide:
E whakamahia ana i roto i te hanga kiriata polyimide (PI) (hei tauira, Kapton®), ka whakarewahia e te DMAc ngā matūtake waikawa polyamic, ka taea ai te whakahaere tika i te matotoru o te kiriata me ngā āhuatanga whatu. He mea nui ēnei kiriata i roto i ngā hikohiko ngāwari (hei tauira, ngā whakaaturanga OLED, ngā PCB ngāwari) me te whakamarumaru pāmahana teitei i roto i ngā motuka motuka.
Spandex me ngā muka hangai:
I roto i te hanga kakahu (hei tauira, ngā wheketere spandex o Āhia), ka āwhina te DMAc i te miro o ngā muka polyurethane, kia ōrite ai te whānui me te ngāwari o ngā papanga e whakamahia ana mō ngā kākahu hākinakina me ngā kākahu pēhi hauora.
2. Rongoā me te Hangarau Koiora: Te Whakarewa me te Waenga Tauhohenga
Te Hanganga Rongoā:
He matū whai hua te mahi a te DMAc i roto i ngā takawaenga rongoā me te hanga matū rongoā hohe (API). Nā tōna kaha ki te whakarewa i ngā matū waro me ngā matū kore-waro, he mea tino pai mō te whakapūpū, te huringa, me ngā tauhohenga waikura. Hei tauira, e whakamahia ana i roto i te hanga rongoā antiretroviral (hei tauira, ngā aukati protease HIV) i roto i ngā whare rongoā o Ūropi.
Tautoko Hanga:
I roto i ngā whakatakotoranga kiri (hei tauira, ngā kirīmi, ngā kirikiri), ka whakarei ake te DMAc i te urunga o ngā rongoā lipophilic mā roto i te kiri, ka whakapai ake i te bioavailability. Ka whakamahia hoki i roto i ngā otinga parenteral nā te mea he iti te paitini me te hototahi ki te āhua o te tinana tangata (LD₅₀ > 3,000 mg/kg i roto i ngā kiore).
Ngā tono hangarau koiora:
I roto i te hanga koiora-rongoā, ka whakamahia te DMAc i roto i ngā tukanga purenga pūmua, pērā i te chromatography, hei whakarewa i ngā pūmua membrane me te whakapai ake i te whai huatanga o te wehenga.
3. Ahumahi Hikohiko me te Ārahi-ā-ringa: He Whakarewa Tika mō te Hanganga Iti
Te Tango i te Ārai Whakaahua:
I roto i te hanga haurua-haurua, ka whakamahia te DMAc i roto i ngā tukanga horoi matatau hei tango i ngā toenga photoresist uaua mai i ngā papa silicon. Nā tōna kaha ki te utu mō ngā photoresist e hangai ana ki te epoxy, he mea nui tēnei i roto i te nanolithography (hei tauira, te EUV lithography mō ngā pona maramara 3nm).
Te Hanganga OLED me te Whakaaturanga:
I roto i te hanga o ngā diode rama-whakaputa-ora (OLED), ka whakarewahia e te DMAc ngā haurua-ira me ngā tāpiringa rauropi, ka taea ai te whakatakoto i te kiriata angiangi kia ōrite mā te tā inkjet, te paninga hurihuri rānei. Ka whakamahia e ngā kaihanga whakaaturanga Kōrea te DMAc hei whakatutuki i te tika o te pika tae noa ki ngā tauine maikoromita.
Te Whakakikorua me te Whakairo:
He mahi hei whakarewa tahi i roto i ngā kaukau whakakikorua hiko mō te koura me te parahi, hei whakapai ake i te ōritetanga o te putunga i roto i ngā hangarau takai matatau (hei tauira, ngā IC 3D, ngā takai taumata angiangi pā-waho).
4. Te Tukatuka Kakahu me te Hiako: Ngā Otinga Tauwhiro
Te Hurihuri Muka Hanga:
I roto i te hanga muka kiriaku, ka whakakapia e te DMAc ngā whakarewa paitini ake (hei tauira, te dimethylformamide, DMF), e tuku ana i te kaha rite ki te utu me te iti ake o te pānga ki te taiao. Ka whakamahia e ngā mira kakahu o Ūropi te DMAc i roto i ngā tukanga hoa-taiao kua whakamanahia e te OEKO - TEX® Standard 100.
Te Whakatā kiri:
Hei whakakapi mō ngā kai whakahinuhinu tuku iho, ka whakarei ake te DMAc i te urunga o ngā tannins huawhenua, ka puta he hiako ngohengohe ake, he hiako manawa ake mō ngā taonga papai (hei tauira, ngā putea hiako Itari). Nā te iti o te piki me te heke o te pāmahana ka whakaiti i ngā tukunga VOC i roto i ngā whare whakahinuhinu.
5. Te Horoi me te Tangohanga Ahumahi: Te Whai Hua me te Haumaru
Te Whakakore Hinu i te Mea Whakarewa:
I roto i ngā ahumahi rererangi me ngā ahumahi motuka, ka tangohia e te DMAc te hinu, te hinu, me ngā toenga rere mai i ngā wāhanga tino tika (hei tauira, ngā mata o te tāpine, ngā wāhanga miihini). Ko tōna pāmahana kohua teitei (166°C) ka whakarite kia iti te mimiti i te wā e horoia ana te waikura ultrasonic, ka whakaiti i te ngaronga o te whakarewa.
Te Tangohanga Hua Taiao:
E whakamahia ana i roto i te tangohanga o ngā tae taiao (hei tauira, ngā carotenoids mai i te rimurimu) me ngā rongoā mai i ngā rauemi tipu, ka tukuna e te DMAc he mana whiriwhiri ki te utu me te kore e whakararu i te mahi koiora o ngā pūhui ūnga.
Ngā Whakatakotoranga
| Ingoa Hua | Waikawa Propionic | |||||||||
| Tātai Matū | C3H6O2 | |||||||||
| Taumaha ngota | 74.08 karamu/mol | |||||||||
| Āhua | Wai mārama kore tae | |||||||||
| Te Pūwāhi Rewa | -20.8℃ | |||||||||
| Te Pūtake Kohua | 141.1℃ | |||||||||
| Kiato | 0.993 karamu/cm³ | |||||||||
| Nama Kāri | 79 - 09 - 4 | |||||||||
| Waehere HS | 29155000 | |||||||||
| EINECS NO | 201 - 176 - 3 | |||||||||
| Tono | Whakamahia ki ngā kirihou, rongoā, kai, whakarewa me ngā hinu kakara | |||||||||
Pepa Whakahaere Kounga
| Ingoa Hua | Waikawa Propionic | ||||||
| TAONGA | UARA PAEREWA（%） | UARA WHAKAMĀTAUTAU（%） | |||||
| Te Ihirangi Waikawa Propionic, w/%≥ | 99.5 | 99.9 | |||||
| Kiato（20/20℃） | 0.993-0.997 | 0.996 | |||||
| Awhe Kohua/℃ | 138.5-142.5 | 139.4-141.1 | |||||
| Te toenga mimiti, w/%≤ | 0.01 | 0.006 | |||||
| Wai, w/% ≤ | 0.15 | 0.02 | |||||
| Aldehyde, w/%≤ | ≤0.05 | 0.04 | |||||
| ngāwari te whakahāora, w/%≤ | ≤0.05 | 0.01 | |||||
| Pb mg/kg≤ | 2.0 | ≤2.0 | |||||
| Hei mg/kg≤ | 3.0 | ≤3.0 | |||||
| Whakamutunga | Kia tutuki i ngā paerewa o GB 1886.210-2016 | ||||||
Kounga me te Whakatutukitanga
Ngā Tohu Parakore:
Tau Hiko: ≥99.9% te parakore, me ngā katote konganuku ≤1 ppm, e tutuki ana i ngā paerewa SEMI C8 mō te whakamahinga haurua-ira.
Taumata Rongoā: E tutuki ana i ngā whakaritenga a te USP, EP, me te JP, me te ihirangi makuku ≤0.1% me te mimiti UV ≤0.05 i te 260 nm.
Taumata Ahumahi: ≥99% te parakore, he pai mō ngā tono polymer me te kakahu, he iti te ihirangi whanariki me te pūhaumāota.
Te Oranga Tonu:
I hangaia mā te whakakorikori i te anhydride acetic me te dimethylamine, mā te whakamahi i ngā pūnaha whakahoro me te whakaora whakarewa e whai hua ana ki te pūngao.
Ka taea te hangarua, ā, ka hototahi ki ngā tukanga ahumahi porowhita-kati, e hangai ana ki ngā whāinga o te Mahere Mahi Ōhanga Porowhita a te EU.
Haumaru:
Kua tākaihia ki roto i ngā pūtu kowiri tira, i ngā tāke ISO rānei, me te tutuki i ngā whakaritenga MSDS me te tapanga GHS mō te kawe haumaru (UN 2265, Akomanga 3).
He aha i whiriwhiri ai i tā mātou Dimethylacetamide?
Ahakoa kei te whakawhanake koe i ngā pūmua o te reanga hou mō te rererangi, kei te hanga i ngā haurua-ā-toi hou, kei te hanga rānei i ngā rongoā auaha, ka tukuna e tā mātou DMAc te mana whakahaere me te pono e kore e taea te whakataurite. Mā te tautoko hangarau o te ao me te mekameka tuku kua arotauhia mō te tuku tere, ka whakarite mātou ka whai hua ō mahi i te mahi me te pumau o tēnei whakarewa maha-whakamahinga.
Wetekina te pūmanawa o ngā rauemi matatau me te Premium Dimethylacetamide—te wāhi e tūtaki ai te tika me te mahi i roto i ngā ahumahi katoa.