Akụkọ

Mkpuchi ihe nkiri guzobe nke agba ntekwasa efere tumadi gụnyere mkpuchi adhesion na mkpuchi ihicha.
Adhesion mkpuchi efere agba agba
Nzọụkwụ mbụ nke adhesion nke nchara mpempe akwụkwọ na mkpuchi bụ wetting nke agba mkpuchi efere efere n'elu nke mkpụrụ.Nkpuchi wetting nwere ike dochie ikuku na mmiri na mbụ adsorbed n'elu nke ígwè warara mkpụrụ.N'otu oge ahụ, mgbanwe nke ihe mgbaze n'elu nke mkpụrụ ahụ nwere mmetụta nke mgbasa ma ọ bụ ọzịza.Ọ bụrụ na solubility parameters nke film akpụ resin nke agba ntekwasa efere mkpuchi na elu nke mkpụrụ na-ọma họrọ nke ọma, ihe intermixed oyi akwa ga-guzobere n'etiti elu nke agba ntekwasa efere mkpụrụ na mkpuchi film, Nke a bụ nnọọ. ihe dị mkpa maka ezigbo adhesion nke mkpuchi.
B Agba mkpuchi efere efere ihicha
Ihe owuwu adhesion nke mkpuchi mkpuchi mkpuchi agba na-emecha naanị nzọụkwụ mbụ nke imepụta ihe nkiri mkpuchi na usoro mkpuchi nke agba agba agba, ma na-aga n'ihu na usoro nke ịtụgharị n'ime ihe nkiri siri ike na-aga n'ihu, nke nwere ike mezue nhazi ihe nkiri ahụ dum. usoro.A na-akpọkarị usoro a site na "ihe nkiri mmiri mmiri" ruo "ihe nkiri akọrọ" dị ka "ihicha" ma ọ bụ "ịgwọ".Usoro ihicha na ọgwụgwọ a bụ isi ihe na-emepụta ihe nkiri mkpuchi mkpuchi.Ụdị dị iche iche na nhazi nke mkpuchi nwere usoro ihe nkiri nke ha, nke a na-ekpebi site na njirimara nke ihe ndị na-emepụta ihe nkiri na-eji ihe mkpuchi.N'ozuzu, anyị na-ekewa ihe nkiri na-emepụta ihe mkpuchi n'ime ụzọ abụọ: siri ike na ubi
(1) Agbanweghị.N'ozuzu, ọ na-ezo aka anụ ahụ film-akpụ usoro, nke tumadi dabere na volatilization nke ihe mgbaze ma ọ bụ ndị ọzọ dispersion media na fim, na film viscosity nwayọọ nwayọọ na-abawanye na-etolite a siri ike film.Dịka ọmụmaatụ: agba acrylic, agba roba chlorinated, agba vinyl, wdg.
(2) Mgbanwe.N'ozuzu, ọ na-ezo aka na mmeghachi omume kemịkal na-eme n'oge a na-emepụta ihe nkiri, na ihe nkiri a na-emepụta mkpuchi na-adabere na mmeghachi omume kemịkal.Ụdị ihe nkiri a na-emepụta ihe bụ usoro ihe ndị na-emepụta ihe nkiri na-emepụta ihe na-emepụta ihe na-emepụta ihe nkiri na-emepụta ihe nkiri a na-akpọ polymer mgbe e wuchara ya.Enwere ike ikwu na ọ bụ ụzọ pụrụ iche nke njikọ polymer, nke na-agbaso usoro mmeghachi omume nke njikọ polymer.Dịka ọmụmaatụ: mkpuchi alkyd, mkpuchi epoxy, mkpuchi polyurethane, mkpuchi phenolic, wdg. Otú ọ dị, ọtụtụ mkpuchi nke oge a adịghị emepụta ihe nkiri n'otu ụzọ, ma na-adabere n'ọtụtụ ụzọ ịmepụta ihe nkiri.Mkpuchi eriri igwe bụ ihe a na-ahụkarị nke na-adabere n'ọtụtụ ụzọ isi mepụta ihe nkiri.