N'ime afọ ndị na-adịbeghị anya, ụlọ ọrụ ihe owuwu ahụ ahụla nnukwu mgbanwe n'iji kọmpụta arụ ọrụ dị elu mee ihe iji mezuo ihe ndị a chọrọ maka ọrụ akụrụngwa ọgbara ọhụrụ.Otu n'ime ihe ndị dị mkpa nke kọmpụta na-arụ ọrụ dị elu bụ ihe nkedo, nke na-ejikọta ihe nchịkọta ọnụ iji mepụta matriks siri ike na nke na-adịgide adịgide.N'ime ụdị adhesives dị iche iche, iji polymeric adhesives enwetawo ewu ewu maka ike ya inye ihe ndị a chọrọ dị ka ịdịte aka na mgbanwe.
Otu n'ime ihe ndị na-ejikọta polymer na-ejikarị arụ ọrụ dị elu bụ RDP (Redispersible Polymer Powder) polymer binder.RDP polymer binders bụ akọrọ mix powders nke enwere ike ịgwakọta ngwa ngwa na ihe ndị ọzọ na-emepụta ihe ngwakọta na ụbara mgbanwe na mmiri na-eguzogide.Ịgbakwunye RDP polymer binders na kọnkịtị bara uru karịsịa na ngwa ebe a na-atụ anya na ihe ahụ ga-enwe nrụgide dị ukwuu ma ọ bụ na-enwe usoro mgbasawanye na nkwụsịtụ ugboro ugboro.
Otu n'ime uru ndị dị na RDP polymer adhesives bụ mma njikọ njikọ ha.Ihe eji ejikọta RDP polymer nwere ihe ndị na-enyere ha aka ịrapagidesi ike na nchịkọta na ihe ndị ọzọ dị na ngwakọta ihe.Nke a na-eme ka matriks siri ike sie ike ma na-adịgide adịgide, na-eguzogide mmebi sitere na ike ndị dị n'èzí dị ka cycles-freze-thaw cycles, abrasion na mmetụta.
Uru ọzọ nke RDP polymer binders bụ ikike ha na-abawanye mgbanwe nke ngwakọta ihe.Ngwakọta ihe ndị e ji emepụta ihe ọdịnala na-enwekarị mgbawa ma na-enwekarị mgbawa mgbe enwere nrụgide dị elu ma ọ bụ mgbanwe okpomọkụ.Enwere ike gbanwee ihe nkedo nke RDP polymer iji mepụta ogo mgbanwe dị iche iche, na-ekwe ka ngwakọta kọmpụta na-anagide nrụgide ndị a nke ọma na-enweghị mgbawa.Mgbanwe mgbanwe a na-ebelatakwa ihe ize ndụ nke delamination ma ọ bụ ụdị mmebi ndị ọzọ mgbe a na-ewu ma ọ bụ eji ya eme ihe.
Na mgbakwunye na inye ogologo oge na mgbanwe dị ukwuu, RDP polymer adhesives na-eguzogide mmiri nke ukwuu.Ihe arụrụ arụ nke ekpughere na mmiri ma ọ bụ mmiri ruo ogologo oge nwere ike ịmalite ọtụtụ nsogbu, gụnyere mgbawa, mgbawa na corrosion.RDP polymer binders nwere ndị ọrụ hydrophobic na-enyere aka ibelata mmiri mmiri, na-ebelata ihe ize ndụ nke nsogbu ndị a na imeziwanye arụmọrụ ogologo oge nke ihe owuwu ihe.
Ojiji nke RDP polymer adhesives dịkwa mma na gburugburu ebe obibi.N'adịghị ka ngwakọta kọmpụta ọdịnala, nke na-achọkarị nnukwu simenti Portland, isi iyi nke ikuku carbon, RDP polymer binders nwere ike iji obere ego nweta otu ọkwa nke arụmọrụ.Nke a na-ebelata akara ukwu carbon nke ngwakọta ihe na-enyere aka belata mmetụta gburugburu ebe obibi nke ihe owuwu.
N'agbanyeghị ọtụtụ uru ha nwere, enwere ụfọdụ ihe ịma aka metụtara iji RDP polymer binders na kọmpụta.Otu n'ime isi ihe ịma aka bụ mkpa iji nlezianya chịkwaa usoro onunu ogwu na ngwakọta nke ihe nkedo polymer iji hụ na arụmọrụ kacha mma.Obere ihe nkedo na-ebute mbelata nrapado na ịdịte aka, ebe oke ihe nkedo na-ebute ike belata yana belata ọrụ ọrụ.Ya mere, ọ dị mkpa ka ya na onye na-ebu ihe nwere ahụmahụ na-arụ ọrụ nke na-aghọta njirimara nke RDP polymer binders ma nwee ike inye aka kwalite ojiji ha na ngwa ngwa.
Enwere ọtụtụ uru na iji RDP polymer binders na kọmpụta na-arụ ọrụ dị elu.Ọ na-eme ka ịdịte aka na mgbanwe nke ngwakọta ihe na-eme ka ọ dịkwuo mma, na-eme ka iguzogide mmiri ya dịkwuo mma, ma nwee mmetụta dị ala na gburugburu ebe obibi karịa ngwakọta omenala omenala.Ọ bụ ezie na ojiji ha na-enye ụfọdụ ihe ịma aka, iji nlezianya na-agbakọ na ịgwakọta nwere ike ịrụpụta ihe dị mma na-eduga n'ịmepụta ihe siri ike na nke na-adịte aka.RDP polymer adhesives bụ nhọrọ magburu onwe ya maka ndị na-achọ iwu ihe owuwu nke nwere ike iguzogide ọnọdụ siri ike ma nye ọrụ a pụrụ ịdabere na ya ka oge na-aga.
Oge nzipu: Ọktoba 16-2023