Ko te Diacetone Acrylamide (DAAM) he monomer maha-whakamahinga e whakamahia ana i roto i ngā momo tukanga polymerization hei whakaputa kapia, paninga, piripiri, me ētahi atu rauemi e hiahia ana kia pai ake te pumau o te wera, te ātete ki te wai, me ngā āhuatanga piri. E tu ke ana te DAAM nā tōna hanganga matū ahurei me te kaha ki te whai i ngā tauhohenga whakawhiti-hononga me ētahi atu matū, pērā i te adipic dihydrazide (ADH), ka hua ake he rauemi he pai ake te mahi.
Ngā Āhuatanga Matū o te DAAM
- Ingoa IUPAC:N-(1,1-Dimethyl-3-oxo-butyl)acrylamide
- Tātai Matū:C9H15NO2
- Taumaha ngota:169.22 karamu/mol
- Tau CAS:2873-97-4
- Āhua:He totoka, he paura rānei he tioata mā
- Te wairewatanga:Ka wairewa i roto i te wai, te etanoru, me ētahi atu whakarewa porotaka
- Te Pūwāhi Rewa:53°C ki te 55°C
Ngā Rōpū Mahi Matua
- Rōpū Akirilamida:Ka whai wāhi ki te āheinga ki te whakakotahi mā roto i ngā tauhohenga rauropi kore utu.
- Rōpū Ketone:Ka whakarato i ngā pae tauhohenga mō te honohono ki ngā matū pēnei i ngā hydrazine.
Te Hanganga o te DAAM
Ka hangaia te DAAM mā te tauhohenga o te waipiro diacetone me te acrylonitrile, ā, muri iho ka whai i te taahiraa hauwaiwaitanga, te taahiraa waikura rānei hei whakauru i te rōpū amide. Mā te tukanga whakaputa ka whakarite kia whiwhi hua parakore teitei e tika ana mō ngā tono ahumahi.
Ngā Hipanga Matua o te Tauhohenga:
- Waipiro Diacetone + Acrylonitrile → Pūhui Takawaenga
- Te Whakahāora, te Whakapūngao rānei → Te Diacetone Acrylamide
Ngā tono o DAAM
1. Ngā piripiri
- Te Tūranga o te DAAM:Ka whakarei ake i ngā āhuatanga here mā te whakatairanga i te hononga whakawhiti me te pumau wera.
- Tauira:He piripiri tairongo-pēhanga, he kaha ake te kiri me te roa.
2. Ngā Paninga Wai
- Te Tūranga o te DAAM:He mea hanga kiriata e whakarato ana i te ātete wai me te ngāwari pai rawa atu.
- Tauira:He peita whakapaipai me ngā peita ahumahi hei ātete ki te waikura me te ātete ki te kakahu.
3. Ngā Kaihoko Whakaoti Kakahu
- Te Tūranga o te DAAM:Ka whakarato i ngā whakaotinga pēhi pakari me ngā āhuatanga ārai-wrinkle.
- Tauira:Whakamahia ki ngā whakaotinga kore-rino mō ngā papanga.
4. Ngā Hydrogel me ngā Whakamahinga Hauora
- Te Tūranga o te DAAM:Ka whai wāhi ki te hanganga o ngā hydrogels biocompatible.
- Tauira:Ngā pūnaha tuku rongoā whakahaeretia.
5. Pepa me te Tākai
- Te Tūranga o te DAAM:Ka whakarato i te kaha pai ake me ngā āhuatanga ārai makuku.
- Tauira:He paninga pepa motuhake mō ngā takai kai me te inu.
6. Ngā hiri
- Te Tūranga o te DAAM:Ka whakapai ake i te ngāwari me te ātete ki te pakaru i raro i te ahotea.
- Tauira:Ngā hiri kua whakarerekētia ki te silicone mō ngā mahi hanga me ngā mahi motuka.
Ngā Painga o te Whakamahi i te DAAM
- Te Pūkenga Hononga-maha:Ka hanga whatunga kaha me ngā hononga whakawhiti e hangai ana ki te hydrazide pēnei i te ADH.
- Te Pūmautanga o te Wera:Ka whakarite i te pono i raro i ngā āhuatanga pāmahana tiketike.
- Ātete ki te makuku:Ka waihanga i ngā kiriata me ngā hanganga ātete-wai.
- Paitini iti:He haumaru ake te whakamahi i whakaritea ki ētahi atu monomer.
- Hototahi Whānui:Ka mahi tahi me ngā tikanga polymerization maha, tae atu ki ngā tukanga emulsion, suspension, me te solution.
Hototahi ki te Adipic Dihydrazide (ADH)
Ko te whakakotahitanga o te DAAM me te ADH e whakamahia whānuitia ana i roto i ngā pūnaha pūmua honohono-whiti. Ko te tauhohenga i waenga i te rōpū ketone o te DAAM me te rōpū hydrazide i roto i te ADH ka hua ake he hononga hydrazone tino pakari, ka taea ai:
- Te kaha ā-mīhini kua whakarei ake.
- Te ātete wera nui rawa atu.
- He ngāwari te whakarite i runga i ngā whakaritenga whakatakotoranga.
Tikanga Tauhohenga:
- Te Taunekeneke o te Ketone-Hydrazide:DAAM + ADH → Herenga Waihārona
- Ngā tono:Ngā paninga polyurethane wai, ngā rauemi whakaora-ake, me ētahi atu.
Ngā Tirohanga me ngā Auahatanga o te Mākete
Te Hiahia o te Ao
Kua kitea te tipu nui o te mākete mō te DAAM nā te pikinga ake o te whakamahinga i roto i ngā hanganga wai-ā-taiao me ngā pūnaha polymer matatau. Ko ngā ahumahi pēnei i te motuka, te hanga, me te hikohiko te mea e akiaki ana i te hiahia mō ngā otinga e hangai ana ki te DAAM.
Auahatanga
Ko ngā whanaketanga hou e aro ana ki:
- Ngā Huarahi kē atu mō te Koiora:Te hanga o te DAAM mai i ngā rauemi whakahou.
- Ngā Paninga Mahi-Teitei:Te whakaurunga ki roto i ngā pūnaha nanocomposite hei whakapai ake i ngā āhuatanga o te mata.
- Tākai Tauwhiro:Whakamahia i roto i ngā ranunga polymer pirau-koiora.
Te Whakahaere me te Rokiroki
- Ngā Whakatūpato Haumaru:Āta karohia te manawa, te pa rānei ki te kiri; whakamahia ngā taputapu tiaki whaiaro (PPE) e tika ana.
- Ngā Tikanga Rokiroki:Puritia ki te wāhi matao, maroke, ā, e pai ana te hauhautanga; kia kore e pāngia e te makuku me te wera.
- Te Ora o te Wāhi:I te nuinga o te wā ka pumau mō te 24 marama i raro i ngā tikanga kua tūtohutia.
He monomer nui te Diacetone Acrylamide (DAAM) i roto i te pūtaiao rauemi hou, ā, he āhuatanga ahurei tōna e kore ai e hiahiatia i roto i ngā tono mahi teitei. Mai i tōna kaha ki te hono-whiti maha ki tōna whānuitanga tono, kei te whai tonu te DAAM i tētahi tūranga nui ki te whakatairanga i ngā piripiri, ngā paninga, me ngā polymer. Nā tōna hototahi ki ngā hangarau pumau hou e tū ana hei wāhanga nui i roto i ngā auahatanga o muri mai.
Wā tuku: Hakihea-15-2024