Tupu ịghọta ndị na-akwalite adhesion, anyị ga-ebu ụzọ ghọta ihe adhesion bụ.
Adhesion: Ihe omume nke adhesion n'etiti elu siri ike na interface nke ihe ọzọ site na ike molecular. Ihe nkiri mkpuchi na mkpụrụ nwere ike jikọta ọnụ site na njikọ nke igwe, mgbasa ozi anụ ahụ, njikọ hydrogen na njikọ kemịkalụ, mgbasa ozi na mmetụta ndị ọzọ. Adhesion na-emepụta site na mmetụta ndị a na-ekpebi njikọ dị n'etiti ihe nkiri agba na mkpụrụ. Adhesion a kwesịrị ịbụ nchikota nke ike njikọ dị iche iche (ike adhesion) n'etiti ihe nkiri agba na mkpụrụ.
Ọ bụ isi ihe onwunwe nke mkpuchi iji rụọ ọrụ nchebe, ịchọ mma na ọrụ pụrụ iche. Ọbụlagodi na mkpuchi ahụ n'onwe ya nwere njirimara anụ ahụ na kemịkalụ mara mma, ọ gaghị enwe uru bara uru ma ọ bụrụ na ọ nweghị ike ijikọ ya na elu mkpụrụ ma ọ bụ mkpuchi ala. Nke a na-egosi mkpa nke adhesion na arụmọrụ mkpuchi.
Mgbe adhesion ihe nkiri agba adịghị mma, ihe ndị dị ka ichikota mkpụrụ, ibelata viscosity ihe mkpuchi mkpuchi, ịba ụba ọkụ na-ewu ụlọ, na ihicha nwere ike iwere iji meziwanye ike njikọ nke igwe na mmetụta mgbasa, si otú ahụ na-emeziwanye ihe mgbakwunye ahụ.
N'ozuzu, onye na-akwalite adhesion bụ ihe na-eme ka njikọ dị n'etiti elu abụọ dịkwuo elu, na-eme ka njikọ ahụ sie ike ma na-adịte aka.
Ịgbakwunye ndị na-akwalite adhesion na usoro mkpuchi ahụ bụkwa otu n'ime ụzọ kachasị mma iji meziwanye adhesion.
Ndị na-akwalite adhesion nwere ụdị ọrụ anọ:
Anchoring kemịkalụ maka ma ihe nkiri agba na mkpụrụ;
Anchoring kemịkalụ maka ihe nkiri agba na mkpuchi anụ ahụ maka mkpụrụ;
Mkpuchi anụ ahụ maka ihe nkiri agba na anchoring kemịkalụ maka mkpụrụ;
Mkpuchi anụ ahụ maka ma ihe nkiri agba na mkpụrụ.
Nhazi nke ndị na-akwalite adhesion nkịtị
1. Organic polymer adhesion akwalite. Ndị na-akwalite adhesion dị otú ahụ na-enwekarị otu ndị na-akụgide mkpụrụ dị ka hydroxyl, carboxyl, phosphate, ma ọ bụ ihe owuwu polymer nwere ogologo ogologo, nke na-eme ka mgbanwe nke ihe nkiri agba na-eme ka ọ dịkwuo mma ma na-eme ka adhesion nke ihe nkiri agba na mkpụrụ.
2. Ndị na-akwalite njikọ nke Silane. Mgbe a na-etinye ihe mkpuchi ahụ na obere ihe na-ejikọta ya na silane, silane na-akwaga na interface n'etiti mkpuchi na mkpụrụ. N'oge a, mgbe ọ na-ezute mmiri n'elu nke mkpụrụ, ọ nwere ike hydrolyzed na-etolite silanol iche iche, na mgbe ahụ na-etolite hydrogen agbụ na hydroxyl dị iche iche n'elu nke mkpụrụ ma ọ bụ condense n'ime Si-OM (M na-anọchi anya substrate elu) covalent agbụ; N'otu oge ahụ, otu silanol dị n'etiti mkpụrụ ndụ silane na-ejikọta ibe ha iji mepụta usoro netwọk na-ekpuchi ihe nkiri.
Ihe ndị ị ga-atụle mgbe ị na-ahọrọ ndị na-akwalite adhesion
ndakọrịta sistemụ;
Nkwụsi ike nchekwa;
Mmetụta na isi anụ ahụ na kemịkal nke mkpuchi;
Ngwọta dị n'elu nke mkpụrụ;
Ijikọta ya na akụrụngwa ndị ọzọ iji kwalite usoro mkpuchi.
Oge nzipu: Mar-31-2025