The film guzobe nkeosisi mkpuchi agbamkpuchi tumadi gụnyere akụkụ abụọ: mkpuchi mkpuchi na ihicha mkpuchi.
Adhesion nke A agba mkpuchi osisi mkpuchi
Nzọụkwụ mbụ na adhesion n'etiti ígwè warara mkpụrụ na mkpuchi bụ wetting nke agba mkpuchi osisi mkpuchi n'elu mkpụrụ n'elu.The mkpuchi wetting nwere ike dochie ikuku na mmiri mbụ adsorbed na ígwè warara mkpụrụ n'elu.N'otu oge ahụ, mgbanwe nke ihe mgbaze na-eme ka ọ bụrụ ihe mgbaze ma ọ bụ ọzịza.Ọ bụrụ na solubility parameters nke film-akpụ resin nke agba ntekwasa osisi mkpuchi na mkpụrụ n'elu na-n'ụzọ kwesịrị ekwesị họrọ, ọ ga-etolite ihe immiscible oyi akwa n'etiti agba ntekwasa osisi mkpụrụ n'elu na mkpuchi film, Nke a dị oké mkpa maka ezi adhesion nke mkpuchi.
ihicha nke Bosisi mkpuchi agbamkpuchi
The adhesion owuwu nke agba mkpuchi osisi mkpuchi naanị na-emecha nzọụkwụ mbụ nke mkpuchi ihe nkiri e guzobere na mkpuchi usoro nke agba mkpuchi osisi, na usoro nke ịghọ a siri ike na-aga n'ihu film kwesịrị ịga n'ihu, nke nwere ike mezue dum mkpuchi usoro mmepụta ihe nkiri.Usoro nke ịgbanwe site na "ihe nkiri mmiri mmiri" gaa na "ihe nkiri akọrọ" na-akpọkarị "ihicha" ma ọ bụ "ịgwọ".Usoro ihicha na ọgwụgwọ a bụ isi ihe na-emepụta ihe nkiri mkpuchi mkpuchi.Ihe mkpuchi nke nwere ụdị dị iche iche na ihe mejupụtara nwere usoro ihe nkiri nke ha, nke a na-ekpebi site na njirimara nke ihe ndị na-emepụta ihe nkiri na-eji na mkpuchi.Ọtụtụ mgbe, anyị na-ekewa usoro ịwe ihe nkiri nke mkpuchi n'ime ụzọ abụọ:
(1) Na-enweghị mgbanwe.N'ozuzu, ọ na-ezo aka na anụ ahụ film-akpụ usoro, nke tumadi na-adabere na volatilization nke solvents ma ọ bụ ndị ọzọ na-agbasasị mgbasa ozi na mkpuchi ihe nkiri, nke nta nke nta na-amụba viscosity nke mkpuchi ihe nkiri na-akpụ a siri ike mkpuchi film.Dịka ọmụmaatụ, mkpuchi acrylic, mkpuchi roba chlorinated, mkpuchi ethylene, wdg.
(2) Mgbanwe.N'ozuzu, ọ na-ezo aka na mmeghachi omume nke kemịkal n'oge usoro mmepụta ihe nkiri, na mkpuchi ahụ na-adabere na mmeghachi omume kemịkal iji mepụta ihe nkiri.Usoro nhazi ihe nkiri a na-ezo aka na polymerization nke ihe na-emepụta ihe nkiri na mkpuchi, nke a na-akpọ polymers, mgbe ngwa ngwa gasịrị.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 na-emecha mepụta ihe nkiri, na mkpuchi mkpuchi bụ ụdị ihe nkiri nke na-adabere n'ọtụtụ ụzọ na-emecha mepụta ihe nkiri.
Oge nzipu: Jun-02-2023