1. Nchịkọta nke iko mkpuchi
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Ugogbe mkpuchi mkpuchi bụ ụdị iko na-echekwa ike nke ejirila n'ụlọ ọrụ azụmahịa, nnukwu ụlọ ahịa, ụlọ obibi dị elu na ụlọ ndị ọzọ.Ọ nwere ezigbo mkpuchi okpomọkụ na ihe mkpuchi ụda ma mara mma ma dị irè.Ugogbe mkpuchi mkpuchi bụ nke iko abụọ (ma ọ bụ karịa) jikọtara ya na oghere.Enwere isi ihe abụọ nke akara: usoro warara na usoro nchikota gluu.Ka ọ dị ugbu a, akara okpukpu abụọ n'ime usoro njikọ nke gluu bụ ihe a na-ejikarị eme akara.Ihe owuwu a bụ dị ka egosiri na eserese 1: iko abụọ na-ekewa site na oghere, na butyl sealant na-eji akara oghere na iko dị n'ihu.Jupụta ihe dị n'ime oghere ahụ na sieve molecular, ma mechie oghere dị n'etiti nsọtụ iko na n'èzí nke spacer na ihe nkedo nke abụọ.
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Ọrụ nke akara nke mbụ bụ igbochi ikuku mmiri ma ọ bụ gas inert ịbanye na ịpụ n'ime oghere.A na-ejikarị Butyl sealant eme ihe n'ihi na ọnụego nnyefe mmiri na ikuku inert nke butyl sealant dị obere.Otú ọ dị, butyl sealant n'onwe ya nwere ike njikọ dị ala yana ngbanwe dị ala, yabụ a ga-edobe ihe owuwu ya na akara nke abụọ iji jikọta efere iko na oghere ọnụ.Mgbe iko mkpuchi ahụ nọ n'okpuru ibu, akwa mkpuchi mkpuchi nwere ike ịnọgide na-enwe mmetụta mkpuchi dị mma.N'otu oge ahụ, usoro n'ozuzu adịghị emetụta.
Onyonyo 1
2. Ụdị nke abụọ sealants maka ikpuchi iko
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E nwere ụdị isi atọ nke ihe mkpuchi nke abụọ maka iko mkpuchi: polysulfide, polyurethane na silicone.Tebụl 1 depụtara ụfọdụ njirimara nke ụdị atọ nke sealants mgbe a gwọchara ha nke ọma.
Isiokwu 1 Ntụle nke njirimara arụmọrụ nke ụdị atọ nke akara nke abụọ maka iko mkpuchi
Uru nke polysulfide sealant bụ na ọ nwere obere ikuku mmiri na ikuku argon na-ebufe na okpomọkụ ụlọ;ọghọm ya bụ na ọ nwere oke nnabata mmiri.
Ụdị mgbake na mgbake na-agbanwe na-ebelata nke ukwuu ka okpomọkụ na-abawanye, na nnyefe mmiri na-ebufekwa nnukwu nnukwu mgbe okpomọkụ dị elu.Na mgbakwunye, n'ihi na-adịghị mma UV iguzogide ịka nká, ogologo oge UV irradiation ga-eme ka ndị na-abụghị osisi degumming.
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Uru nke polyurethane sealant bụ na ikuku mmiri ya na ikuku argon na-ebufe ya dị ala, na nnyefe mmiri na-ebufe mmiri dịkwa ntakịrị mgbe okpomọkụ dị elu;mwepu ya bụ na ọ nwere adịghị mma UV iguzogide ịka nká.
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Silicone sealant na-ezo aka na mkpuchi nwere polysiloxane dị ka isi akụrụngwa, nke a na-akpọkwa sistemu mmepụta ugbo silicone sealant.Ihe mejupụtara polymer nke silicone sealant bụ nke Si-O-Si, nke ejikọtara n'ofe iji mepụta sistemu ọkpụkpụ dị ka Si-O-Si n'oge usoro ọgwụgwọ.The Si — O bond energy (444KJ/mol) dị nnọọ elu, ọ bụghị nanị ukwuu ibu karịa ike ndị ọzọ polymer bond, kamakwa ibu karịa ultraviolet ume (399KJ/mol).Ọdịdị molekụla nke silicone sealant na-enyere silicone sealant aka inwe ezigbo nguzogide dị elu na nke dị ala, ihu igwe na mgbochi ịka nká UV, yana obere mmịnye mmiri.Ọdịmma nke silicone sealant mgbe ejiri ya na iko mkpuchi bụ nnukwu ikuku gas.
3. Nhọrọ ziri ezi nke akara nke abụọ maka iko mkpuchi
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Ọ bụrụ na ekpughere elu nke polysulfide gluu, polyurethane gluu na iko na ìhè anyanwụ ruo ogologo oge, mmebi ga-eme, nke ga-eme ka mpempe mpụta nke iko mkpuchi nke mkpuchi mkpuchi mkpuchi kpuchie kpuchie ma ọ bụ mechie mkpuchi. iko mkpuchi nke mgbidi mkpuchi iko na-akwado ka ọ daa.Ya mere, nke abụọ sealant maka insulating iko nke zoro ezo etiti ákwà mgbochi mgbidi na ọkara zoro ezo etiti ákwà mgbochi mgbidi ga-eji silicone structural sealant, na interface size ga-gbakọọ dị ka JGJ102 "Nka na ụzụ nkọwa maka iko ákwà mgbochi Wall Engineering";
Ihe mkpuchi nke abụọ maka mkpuchi mkpuchi nke mgbidi mkpuchi iko na-akwado ihe ga-eji ihe mkpuchi silicone;maka akara nke abụọ nke iko mkpuchi maka nnukwu oghere oghere oghere oghere, a na-atụ aro ka iji mkpuchi mkpuchi silicone structural sealant.Ihe mkpuchi nke abụọ maka iko mkpuchi maka ọnụ ụzọ, windo na mgbidi mgbochi oghere nkịtị nwere ike ịbụ mkpuchi silicone sealant, mkpuchi polysulfide ma ọ bụ mkpuchi polyurethane.
Dabere na nke dị n'elu, ndị ọrụ kwesịrị ịhọrọ ngwaahịa mkpuchi mkpuchi nke abụọ kwesịrị ekwesị maka iko mkpuchi dịka ngwa akọwapụtara nke iko mkpuchi.N'ihe banyere ịdị mma nke sealant tozuru oke, ọ bụrụhaala na ahọpụtara ya ma jiri ya mee ihe nke ọma, enwere ike imepụta iko mkpuchi na ndụ ọrụ nke na-emezu ihe achọrọ.Mana ọ bụrụ na ahọrọghị ya ma jiri ya mee ihe n'ụzọ na-ekwesịghị ekwesị, ọbụlagodi akara kacha mma nwere ike mepụta iko mkpuchi nke na-adịghị mma.
Mgbe ị na-ahọrọ akara nke abụọ, ọkachasị silicone structural sealant, anyị ga-atụlekwa na silicone sealant ga-emezurịrị ihe arụ ọrụ nke iko mkpuchi mkpuchi, dakọtara na butyl sealant nke mbụ, yana arụmọrụ nke silicone sealant kwesịrị imezu ihe achọrọ. nke ụkpụrụ dị mkpa.N'otu oge ahụ, nkwụsi ike nke ngwaahịa silicone sealant, ndị na-ewu ewu nke ndị na-emepụta silicone, na ikike ọrụ nka nke onye nrụpụta na ọkwa na usoro niile nke tupu ire ere, ire ahịa na mgbe ire ere bụkwa ihe dị mkpa nke ndị ọrụ chọrọ. ịtụle.
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Igwe mkpuchi mkpuchi mkpuchi na-akpata ọnụ ọgụgụ dị ala nke ọnụ ahịa nrụpụta iko mkpuchi niile, mana ọ nwere mmetụta dị ukwuu na ndụ na ndụ ọrụ nke iko mkpuchi.Ihe mkpuchi ihe mkpuchi enyo na-emetụta ya na nsogbu nchekwa mgbidi ákwà mgbochi.Ka ọ dị ugbu a, ka asọmpi na ahịa mkpuchi na-esiwanye ike, ụfọdụ ndị na-emepụta ihe na-emepụta ihe na-adịghị ala azụ ịchụrụ ọrụ ngwaahịa na ịdị mma mgbe ị na-ebelata ego iji merie ndị ahịa na ọnụ ala dị ala.Ọnụ ọgụgụ buru ibu nke ngwaahịa mkpuchi mkpuchi mkpuchi enyo dị ala na nke dị ọnụ ala apụtala n'ahịa.Ọ bụrụ na onye ọrụ na-ahọrọ ya n'akpachapụghị anya, iji chekwaa ntakịrị ego nke sealant, ọ nwere ike ịkpata ihe egwu nchekwa ma ọ bụ ọbụna bute ihe mberede dị mma, nke nwere ike ịkpata nnukwu mfu.
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Siway ugbu a na-agba gị ume ịhọrọ ezigbo ngwaahịa na ezigbo ngwaahịa;N'otu oge ahụ, anyị ga-ewebata gị ihe egwu dị iche iche kpatara site na iji mkpuchi mkpuchi nke abụọ na-adịghị mma na iji na-ekwesịghị ekwesị n'ọdịnihu.
Oge nzipu: Dec-13-2023