Ihe kpatara afụfụ n'oge a na-akpali:
Ihe kpatara e ji emepụta afụfụ n'oge usoro ngwakọtaresin epoxygluu bụ na gas e tinyere n'oge a na-akpali ya na-emepụta afụ. Ihe ọzọ kpatara ya bụ "mmetụta cavitation" nke mmiri ahụ na-akpali ngwa ngwa kpatara. E nwere ụdị afụ abụọ: nke a na-ahụ anya na nke a na-anaghị ahụ anya. Iji vacuum degassing nwere ike iwepụ afụ a na-ahụ anya naanị, mana ọ naghị arụ ọrụ iwepụ obere afụ a na-anaghị ahụ anya mmadụ.
Ihe kpatara afụfụ n'oge ọgwụgwọ:
Nke a bụ n'ihi na a na-agwọ resin epoxy site na polymerization, nke bụ mmeghachi omume kemịkalụ. N'oge mmeghachi omume ọgwụgwọ, obere afụ dị na sistemụ resin epoxy na-ekpo ọkụ ma gbasaa, gas ahụ anaghịzi adaba na sistemụ epoxy, wee gbakọta ọnụ iji mepụta afụ buru ibu.
Ihe ndị na-akpata ụfụfụ epoxy resin:
(1) Njirimara kemịkalụ na-adịghị akwụsi ike
(2) Ịgwakọta ihe mgbe ị na-akwadebe ihe na-eme ka ihe sie ike sie ike
(3) Ịfụ ụfụfụ mgbe nchịkọta ihe ndị dị arọ gasịrị
(4) Usoro mwepụ nke slurry
Ihe ize ndụ nke ịfụfụ resin epoxy n'oge ngwakọta:
(1) Ụfụfụ na-eme ka mmiri jupụta ma na-eri ihe ndị na-eme ka ọ sie ike, nke ga-emetụtakwa ịdị elu nke ọkwa mmiri a hụrụ.
(2) Afụfụ nke ihe ndị na-agwọ ọrịa molekul amine na-akpata ga-emetụta arụmọrụ owuwu.
(3) Ọnụnọ nke "mkpụrụ mmiri mmiri" ga-eme ka VCM gas phase polymerization, nke a na-emepụtakarị na ketulu na-arapara.
(4) Ọ bụrụ na ewepụghị afụfụ ahụ kpamkpam n'oge a na-arụ ya, a ga-emepụta afụfụ ahụ mgbe ọ gwọrọ, a ga-enwekwa ọtụtụ oghere n'elu ya mgbe ọ kpọchara nkụ, nke ga-emetụta àgwà ngwaahịa ahụ nke ukwuu.
Kedu otu esi ewepụ afụfụ ikuku?
Ụdị ngwaahịa ndị na-eme ka ihe ghara ịdị ọcha na-ejikarị eme ihe: ihe ndị na-eme ka ihe ghara ịdị ọcha na silicone, ihe ndị na-eme ka ihe ghara ịdị ọcha na silicone, ihe ndị na-eme ka ihe ghara ịdị ọcha na polyether, ihe ndị na-eme ka ihe ghara ịdị ọcha na mmanụ mineral, ihe ndị na-eme ka ihe ghara ịdị ọcha na-aba n'anya, wdg.
Mgbe okpomọkụ dị ala, njirimara nke ọtụtụ ihe mmiri mmiri Mgbanwe ga-eme, karịsịa viscosity nke ihe mmiri mmiri na-arapara ga-abawanye ka okpomọkụ na-ebelata.Epoxy resin ab gluu, dịka ihe mmiri nkịtị, nwere mmụba dị ukwuu na uru viscosity n'ihi mbelata na okpomọkụ. Ya mere, n'oge ojiji na ojiji, ọ na-esiri ike iwepụ afụ, arụmọrụ dị larịị na-ebelata, mmụba nke oge ojiji na oge ọgwụgwọ anaghị enyere aka na mmepụta na njikwa nkịtị. Agbanyeghị, site na mkpokọta ọtụtụ afọ nke ahụmịhe mmepụta, anyị chịkọtara ụfọdụ ahụmịhe bara uru iji dozie ma belata nsogbu ndị nsogbu ndị a dị n'elu kpatara. N'ụzọ doro anya, enwere ụzọ anọ ndị a:
1. Usoro ikpo ọkụ ebe ọrụ:
Mgbe okpomọkụ dị n'ebe ọrụ dara ruo 25°C, ọ dị mkpa ka e kpoo ebe ọrụ ọkụ nke ọma iji bulie okpomọkụ ahụ ruo na okpomọkụ kwesịrị ekwesị maka ọrụ gluu (25°C ~ 30°C). N'otu oge ahụ, a ga-edobe iru mmiri ikuku dị n'ebe ọrụ ahụ na 70% ma ọ bụ ihe dị ka ya, ruo mgbe okpomọkụ nke gluu ahụ n'onwe ya ga-adị ka okpomọkụ gburugburu tupu gluu ahụ arụ ọrụ ma jiri ya nke ọma.
Ncheta na-ekpo ọkụ: Usoro a bụ ụzọ kachasị dị irè, mana ọnụ ahịa ọrụ ga-adị elu, biko lezie anya na akaụntụ ọnụ ahịa.
2. Usoro ikpo ọkụ mmiri esi mmiri:
Jụụ ga-ebelata kpọmkwem uru viscosity nkeresin epoxygluu ab ma mee ka ọ dịkwuo elu nke ukwuu. Ịkpọ ya ọkụ tupu oge eruo tupu ejiri gluu ahụ ga-eme ka okpomọkụ nke ya dịkwuo elu ma belata uru viscosity, nke na-eme ka ọ dị mfe iji. Ụzọ kpọmkwem bụ itinye gbọmgbọm ma ọ bụ karama gluu dum n'ime mmiri esi mmiri ma kpoo ya ọkụ ihe dị ka awa abụọ tupu ejiri gluu ahụ, ka okpomọkụ gluu ahụ wee ruo ihe dị ka 30℃, wee wepụ ya, maa jijiji ya ugboro abụọ, wee debe gluu A na okpomọkụ nke na-erughị 30℃ na mmiri ọkụ ma jiri ya mgbe ị na-ekpo ọkụ. N'oge ojiji, wepụ gluu ahụ ma maa jijiji ya kwa ọkara awa iji mee ka okpomọkụ na nhazi nke gluu ahụ dị ka otu. Mana kpachara anya nke ọma ka gluu dị na bọket ma ọ bụ karama ahụ rapara na mmiri ahụ, ma ọ bụghị ya, ọ ga-ebute ihe ọjọọ ma ọ bụ ihe dị njọ.
Ncheta na-ekpo ọkụ: Usoro a dị mfe, dị ọnụ ala ma baa uru, ọnụ ahịa na ihe ndị e ji arụ ya dịkwa mfe. Agbanyeghị, e nwere ihe egwu zoro ezo, nke a kwesịrị ilebara anya.
3. Usoro ikpo ọkụ n'ime oven:
Ndị nwere ọnọdụ ahụ nwere ike iji epoxy resin ab kpoo gluu a n'ime oven tupu ha ejiri gluu iji zere imetụ mmiri aka na mberede. Ọ dị nnọọ mfe. Ụzọ a kapịrị ọnụ bụ ịhazi okpomọkụ oven ruo 60°C, wee tinye gbọmgbọm ma ọ bụ karama gluu A dum n'ime oven ka ọ kpoo ọkụ tupu oge eruo, ka okpomọkụ gluu ahụ ruo 30°C, wee wepụ gluu ahụ ma maa jijiji ya ugboro abụọ, wee tinye gluu ahụ na okpomọkụ nke Gbanwee ruo 30°C n'etiti oven site na iji nsọtụ e ji ọkụ mee, mana kpachara anya wepụ gluu ahụ ma maa jijiji ya ihe dị ka otu awa ka gluu ahụ wee nọgide na-enwe okpomọkụ nhata mgbe niile na ihe ndị e ji mee ya.
Ncheta na-ekpo ọkụ: Usoro a ga-emekwa ka ọnụ ahịa ya dịkwuo elu ntakịrị, mana ọ dị mfe ma dịkwa irè.
4. Ụzọ enyemaka nke onye na-ewepụ ihe n'ahụ:
Iji mee ka mwepụ nke afụfụ dịkwuo ngwa ngwa, ị nwekwara ike ịzụta ihe pụrụ iche maka ihe mgbakwunye epoxy resin ab, ma tinye gluu A nke ruru 3‰ n'ime, usoro a kapịrị ọnụ; tinyeghị ihe karịrị 3% nke gluu ozugbo na gluu A nke usoro a dị n'elu na-ekpo ọkụ. Ihe pụrụ iche maka ihe na-egbochi ntụpọmmanụ epoxy resin AB, wee gwakọta ya nke ọma ma gwakọta ya na gluu B maka ojiji.
Shanghai Orisen New Material Technology Co., Ltd.
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T:+86 08383990499
Email: grahamjin@jhcomposites.com
Adreesị: NO.398 New Green Road Xinbang Town Songjiang District, Shanghai
Oge ozi: Jenụwarị-07-2025