Adipic Dihydrazide (ADH) Hoobkas

Adipic dihydrazide (ADH) yog cov khoom siv sib xyaw ua ke uas tau siv dav los ua tus neeg sawv cev sib txuas hauv cov polymers, txheej, thiab cov nplaum. Nws lub peev xwm los teb nrog ketone lossis aldehyde pawg, tsim kev ruaj khov hydrazone txuas, ua rau nws tsis muaj nuj nqis rau hauv daim ntawv thov uas yuav tsum tau siv cov tshuaj tiv thaiv thiab thermal stability. ADH kuj tseem ua haujlwm ntxiv los txhim kho cov khoom siv dag zog thiab kev tiv thaiv ib puag ncig ntawm cov ntaub ntawv.

Chemical Properties ntawm ADH

  • Tshuaj Formula:C6H14N4O2
  • Molecular Luj:174.2 g / mol
  • CAS Nr .:1071-93-8 ib
  • Qauv:
    • Muaj ob pawg hydrazide (-NH-NH2) txuas rau lub pob txha adipic acid.
  • Qhov tsos:Dawb crystalline hmoov
  • Solubility:Soluble nyob rau hauv dej thiab polar solvents zoo li cawv; txwv solubility nyob rau hauv nonpolar solvents.
  • Melting Point:177 ° C rau 184 ° C

Cov pab pawg tseem ceeb

  1. Hydrazide (-NH-NH2) Pawg:Teb zoo nrog ketones thiab aldehydes los tsim hydrazone bonds.
  2. Adipic Acid Backbone:Muab cov qauv rigidity thiab yoog raws hauv cov kab sib txuas sib txuas.

Kev siv ntawm ADH

1. Cross-Linking Agent

  • Lub luag haujlwm:ADH yog dav siv los hla-txuas polymers los ntawm reacting nrog ketones los yog aldehydes, tsim kom ruaj hydrazone linkages.
  • Piv txwv:
    • Hla-txuas hydrogels rau biomedical siv.
    • Waterborne polyurethane dispersions nyob rau hauv industrial txheej.

2. Txheej

  • Lub luag haujlwm:Ua raws li cov tawv tawv thiab ntoo khaub lig-linker los txhim kho adhesion, durability, thiab dej tsis kam nyob rau hauv cov xim thiab coatings.
  • Daim ntawv thov:
    • Hmoov txheej rau hlau substrate.
    • Waterborne coatings rau txo VOC emissions.

3. Adhesives thiab sealants

  • Lub luag haujlwm:Txhim kho kev sib txuas lub zog thiab hloov tau yooj yim, tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem adhesives.
  • Piv txwv:Kev tsim kho adhesives, automotive sealants, thiab elastomers.

4. Biomedical Applications

  • Lub luag haujlwm:Siv rau hauv kev xa tshuaj thiab cov khoom siv biocompatible.
  • Piv txwv:Hla-txuas hydrogels rau kev tso tawm cov tshuaj.

5. Kev kho dej

  • Lub luag haujlwm:Ua hauj lwm raws li ib tug curing tus neeg sawv cev nyob rau hauv cov dej hauv lub cev, muab siab reactivity nyob rau hauv chav tsev kub.

6. Chemical Intermediate

  • Lub luag haujlwm:Kev ua haujlwm yog ib qho tseem ceeb nruab nrab hauv kev sib txuas cov tshuaj tshwj xeeb thiab cov khoom siv polymer.
  • Piv txwv:Hydrophobic lossis hydrophilic functionalized polymers.

Reaction Mechanism

Hydrazone Bond Tsim

ADH reacts nrog ketone los yog aldehyde pawg los tsim hydrazone daim ntawv cog lus los ntawm cov tshuaj tiv thaiv condensation, yam ntxwv los ntawm:

  1. Tshem tawm cov dej raws li cov khoom lag luam.
  2. Tsim kom muaj kev ruaj khov covalent txuas.

Piv txwv li:

 

Cov tshuaj tiv thaiv no yog qhov tseem ceeb rau kev tsim cov khoom siv nrog kev ua haujlwm siab rau txhua yam, thermal, thiab ib puag ncig kev ntxhov siab.

Qhov zoo ntawm kev siv ADH

  1. Chemical Stability:Hydrazone bonds tsim los ntawm ADH yog cov resistant rau hydrolysis thiab degradation.
  2. Thermal Resistance:Txhim kho cov thermal stability ntawm cov ntaub ntawv.
  3. Tsawg toxicity:Muaj kev nyab xeeb dua piv rau lwm txoj kev sib txuas sib txuas.
  4. Dej Compatibility:Solubility hauv dej ua rau nws haum rau eco-friendly, waterborne formulations.
  5. Versatility:Tau tshaj ntau yam ntawm polymer matrices thiab reactive pawg.

Technical Specifications

  • Purity:Feem ntau muaj nyob ntawm 98-99% purity theem.
  • Cov dej noo:Tsawg dua 0.5% kom ntseeg tau tias muaj kev cuam tshuam zoo ib yam.
  • Particle Loj:Cov hmoov zoo, yooj yim dispersion thiab sib tov.
  • Kev cia khoom:Khaws rau hauv qhov chaw txias, qhuav, thiab qhov cua zoo, tsis txhob raug tshav ntuj ncaj qha thiab ya raws.

Kev Lag Luam thiab Kev Lag Luam Trends

1. Sustainability tsom

Nrog rau kev hloov mus rau ib puag ncig cov khoom lag luam, ADH lub luag haujlwm hauv cov dej hauv dej thiab cov qauv VOC qis tau dhau los ua qhov tseem ceeb. Nws pab ua kom tau raws li cov cai nruj ib puag ncig thaum xa cov kev ua tau zoo tshaj.

2. Kev loj hlob ntawm Biomedical

ADH lub peev xwm los tsim biocompatible thiab degradable hydrogels nws txoj haujlwm nthuav dav hauv kev xa tshuaj, cov ntaub so ntswg engineering, thiab cov nplaum kho mob.

3. Kev tsim kho kev lag luam xav tau

ADH siv rau hauv kev ua haujlwm siab sealants thiab cov nplaum ua ke nrog qhov kev thov loj hlob rau cov khoom siv ruaj khov, huab cua-resistant.

4. R & D hauv Nanotechnology

Kev tshawb fawb tshiab tshawb nrhiav ADH rau kev sib txuas ntawm cov ntaub ntawv nanostructured, txhim kho cov khoom siv hluav taws xob thiab thermal ntawm cov tshuab sib xyaw.

Kev tuav thiab kev nyab xeeb

  • Kev tiv thaiv:Hnav hnab looj tes, looj tsom iav dub, thiab daim npog qhov ncauj thaum tuav kom tsis txhob khaus lossis nqus pa.
  • Kev Pabcuam Ua Ntej:
    • Kev nqus pa: Tsiv mus rau huab cua ntshiab thiab nrhiav kev kho mob yog tias cov tsos mob tshwm sim.
    • Tiv tauj tawv nqaij: Ntxuav kom huv si nrog xab npum thiab dej.
  • Kev nchuav:Sau cov khoom siv inert absorbent thiab pov tseg raws li cov cai hauv zos.

HEC Hoobkas

Adipic Dihydrazide (ADH) yog tus neeg sawv cev sib txuas uas muaj zog thiab nruab nrab nrog kev siv dav hauv kev lag luam. Nws cov tshuaj stability, reactivity, thiab compatibility nrog niaj hnub sustainability yuav tsum tau ua ib tug tseem ceeb tivthaiv nyob rau hauv adhesives, coatings, biomedical cov ntaub ntawv, thiab tshaj. Raws li thev naus laus zis hloov zuj zus, ADH qhov tseem ceeb hauv kev tsim cov khoom siv qib siab txuas ntxiv nthuav dav, qhia txog nws qhov tseem ceeb hauv kev lag luam tam sim no thiab cov lag luam tawm tshiab.

 

Post lub sij hawm: Dec-15-2024