非金屬材料表面化學鍍鎳的研究.pdf

1、重慶大學碩士學位論文非金屬材料表面化學鍍鎳的研究姓名：李兵申請學位級別：碩士專業(yè)：物理化學指導教師：魏錫文20000601重慶大學碩士學位論文ABgnUCTABSTRACTElectrolessnickelplatingisonedepositingmethodsContrasttoelectrodepositing，ithasadvantagesofoperatingsimply，lowerrequirementsoffaciliti

2、es，homogeneityofdepositedlayersSoithasawideandtemptingprospectBeforeelectrolessplatingonsuchinertmaterialsasceramicsandglass，certaincatalyticmaterialhavetobedepositedonthematrixesAtpresent，palladiumisthemostfrequentselec

3、tionBecauseofthecostlinessofpalladiumandcomplexityofpalladiumactivatedprocess，itisnecessarytodevelopasimpleandeconomicalprocessInaddition，becauseofcomplexcomponentsofplatingsolutionandmoreinfluentialfactors，therearemanyc

4、ontroversiesonmechanismofelectrolessplatingSofartherstudiesarenecessaryinthisfieldInthispaper，withmanyexperiments，theauthorproposedanewmethodofactivatedprocessonsuchmatrixes——diFeetactivatedprocessofdecomposednickelsalts

5、，andabstainedtheoptimamformulaandtechnicalconditionsofelectrolessnickelplatingWhichmatchedwiththeproposedactivatedmethodAgoodprecursorcatalyticdepositioncatalyticnickellayerswereabstainedonceramicssurfacewithsimpleproces

6、sThisprocessdoesn’trequireanypalladiumsaltsAfterthisprocess，thematrixeswereplatedinsolutionofNiSO|，NaH2P02，eta1thenaeven]ucentandstrongadhesivelayerWaSabstainedThelayerismainlyofamorphousNiPalloyAfterheattreatmentsforlha

7、t400℃itwasconvertedintocrystalformsofNiandNiPTheinfluencesofcomponentconcentrationandtechnicalconditionsofactivatedandplatingprocesswerealsodiscussedindetailSdfarasmicrmechanismsoftheactivatedprocessthepapertookaprofc)un

8、dandselectivecalculationbasedonexperimentsandtheoriesofabinitioFirst，accordingtoresultsofabinitiocalculation，ithadinvestigatedthereactioncharacteristicanddecomposingofH2P02，andproposedthat，underheatingandeffectsofproperc

9、atalyticsurfaces，H2P02wouldbedissociatedinprocessofHHP吼AbsorptionofcatalyticsurfacewasareasonofthedissociationTheprocessisnotaffectedbysolvent—effectsClustercalculationofDV—X，revealedthatafterHabsorptiononNi4cluster，itsF