Hose bụ akụkụ dị mkpa nke nkwakọ ngwaahịa kemịkalụ kwa ụbọchị, nke a na-ejikarị eme ihe na mpaghara ngwaahịa dị ka ude aka, ngwaahịa na-ehicha ihe, ngwaahịa sunscreen na ihe ndị ọzọ. Omenala eriri elu mkpuchi bụ tumadi ihe mgbaze dabeere abụọ akụkụ polyurethane mkpuchi. Ọ bụ ezie na ihe mkpuchi polyurethane nwere akụkụ abụọ nwere arụmọrụ dị mma n'ihe gbasara mgbanwe mkpuchi mkpuchi na mbipụta nke abụọ (bronzing), arụmọrụ ha dị elu dị ka 80%. Ọdịnaya VOC dị n'elu na-eme ka ọ bụrụ nke a na-amachibido ya na ngwa, karịsịa n'ime afọ ndị na-adịbeghị anya, na-aga n'ihu na-ewusi ike nke nchedo gburugburu ebe obibi nke obodo na ụmụ amaala na mba anyị, mmepụta na iji akwa mkpuchi ọdịnaya VOC dị n'okpuru nlekọta siri ike. O rutela nkwekorita na mkpuchi mkpuchi gburugburu ebe obibi enyi cihe dochie omenala elu VOCs ọdịnaya mkpuchi.
Ka ọ dị ugbu a, ihe mkpuchi gburugburu ebe obibi ndị a ma ama gụnyere: 1. Ihe mkpuchi mmiri na-enwe ọdịnaya VOC nke na-erughị 10%; 2. Ihe mkpuchi dị elu ma ọ bụ ọbụna mkpuchi zuru oke nke nwere ọdịnaya siri ike karịa 85%. Ebe ọ bụ na ihe ndị na-emepụta ihe na-emepụta ihe dị ugbu a bụ polyethylene (PE), njirimara nke esemokwu dị ala na obere polarity nke ụdị ihe a na-eme ka mkpuchi mmiri na-enweghị ihe ọ bụla tozuru okè ngwa ngwa na mkpuchi mkpuchi. Ihe mkpuchi UV siri ike na-agwọ ọrịa (UV-curable coatings) aghọwo nhọrọ mbụ maka mkpuchi gburugburu ebe obibi maka hoses n'oge a n'ihi arụmọrụ dị elu, nchekwa ike, na nchebe gburugburu ebe obibi. Otú ọ dị, n'ihi njirimara nke mkpuchi mkpuchi nke UV-curable, mgbe ndị mmadụ na-eji UV-curable mkpuchi maka mmepụta nke kwa ụbọchị chemical hose nkwakọ ngwaahịa, ha ga-n'ozuzu na-ezute nsogbu ndị dị otú ahụ dị ka ogbenye ìhè ịka nká iguzogide mkpuchi, mfe yellowing, cracking nke mkpuchi, matte Ogbenye na-eyi nguzogide, obibi akwụkwọ sekọndrị siri ike (bronzing), isi enweghị enyi mgbe eserese, wdg.
Edemede a ga-amalite site na ụkpụrụ bụ isi nke mkpuchi mkpuchi UV, jikọtara ya na ngwa ahụ n'ezie, wee kwurịta isi nsogbu ndị a kpọtụrụ aha n'elu na usoro mkpuchi na ihe ịchọ mma nke abụọ nke ihe nkwakọ ngwaahịa ụdọ a na-eji kemịkalụ kwa ụbọchị. N'ịkwalite usoro mkpuchi mkpuchi, dị ka ọnọdụ kpọmkwem nke onye na-emepụta ihe na-emepụta ihe na-enye ihe ngwọta kpọmkwem maka nsogbu ndị a.
Okwu mmalite nke mkpuchi mkpuchi UV
Ịse foto bụ nkà na ụzụ ọhụrụ "acha akwụkwọ ndụ akwụkwọ ndụ" na-eto ngwa ngwa. Kemgbe 1970s, a na-eji teknụzụ foto eme ihe n'ọtụtụ ebe na mkpuchi, inks, ndị na-emekọrịta ihe na mpaghara ahụike. N'ime ha, teknụzụ ọgwụgwọ ọkụ ultraviolet (UV curing) bụ teknụzụ ọgwụgwọ ọkụ kachasị eji eme ihe ugbu a. Ihe mkpuchi UV na-abụkarị nke photoinitiators, resins na-adịghị mma na monomers, ihe mgbakwunye na-achịkwa elu yana pigmenti na ihe ndị dị mkpa. N'ọhịa nke ịchọ mma elu nke ihe nkwakọ ngwaahịa kemịkalụ kwa ụbọchị, teknụzụ na-agwọ ọrịa UV na-ejikarị na spraying, mbipụta na mpaghara ndị ọzọ. N'ihe mkpuchi nke ihe nkwakọ ngwaahịa ụdọ mmiri kwa ụbọchị, ihe mkpuchi UV-curable na-eji ngwa ngwa na-agwọ ọrịa, elu elu gloss, ezigbo nguzogide ọkọchị, yana ọdịnaya siri ike. Dị ka ihe na-apụta gburugburu ebe obibi enyi na enyi ihe mkpuchi, n'ime afọ ndị na-adịbeghị anya ọzọ na ndị ọzọ anya.
Otú ọ dị, dị ka ihe ọ bụla ọzọ, UV-curable mkpuchi na-enwekwa nsogbu dị ka edo edo, cracking, na adịghị mma eyi iguzogide n'oge eji. Isiokwu a ga-elekwasị anya n'ịtụle nsogbu dị iche iche a na-ahụkarị nke mkpuchi UV na-etinye na hoses. , malite site na ihe kpatara nsogbu ahụ, tinye ụzọ ndị a ga-esi dozie nsogbu ndị a site na nhazi usoro mkpuchi na usoro ihe owuwu mkpuchi.
Isi nsogbu na ngwọta mgbe a na-etinye mkpuchi mkpuchi UV n'ihe nkwakọ ngwaahịa ụdọ mmiri kwa ụbọchị
一. Ihe na-akpata na ngwọta nke yellowing
Isi ihe kpatara agba edo edo nke mkpuchi UV gwọrọ bụ na mkpuchi ahụ nwere ihe owuwu molekụla nke nwere ike ịmịnye ọkụ ultraviolet nke ogologo ogologo ogologo. Mgbe ị nwetasịrị ìhè ultraviolet nke ogologo ogologo ogologo, ihe ndị a na-emepụta mgbanwe ọkwa ike ma mesịa mee ka oxidation nke mkpuchi ahụ pụta. Mgbe ogo oxidation adịghị elu, ọ ga-atụgharị edo edo n'ọdịdị, nke a na-akpọkarị "acha odo odo".
(Foto aka ekpe - ihe na-acha odo odo, foto aka nri - nkịtị)
Ihe ndị bụ isi na mkpuchi UV nwere ike ịmịnye ọkụ ultraviolet bụ:
1. Photoinitiator residue (nke a bụ ihe kacha mkpa na-akpata odo)
2. Ọdịdị molekụla nwere ọrụ UV (akụkụ a nke mkpuchi UV bụ ihe nwere ihe nwere mgbanaka benzene na resin UV ma ọ bụ monomer)
3. Mgbochi ndị na-enweghị ngwọta na-enweghị ngwọta, yana ihe ndị ọzọ dị mfe oxidizable (dị ka otu amino, wdg.)
二, Ihe na-akpata na ngwọta nke mkpuchi cracking
Isi ihe kpatara mgbagha na mgbawa nke mkpuchi: 1. Nchikota nke mkpuchi na ntinye adịghị mma; 2. elongation na nkwụsị nke mkpuchi dị ala mgbe ọ gwọchara ya. Okwu a na-ewu ewu bụ na ike nke mkpuchi ahụ adịghị mma.
Ihe ngwọta maka mkpuchi mkpuchi:
1. Malite site na nhazi usoro, nye mkpuchi na mma mmachi na siri ike;
2. Site na njikwa nke usoro mkpuchi, ụzọ ndị a kapịrị ọnụ bụ: 1. Pretreatment nke mkpụrụ, dị ka ire ọkụ, corona na ọgwụgwọ ndị ọzọ na mkpụrụ ma ọ bụ tupu ọgwụgwọ nke onye na-ahụ maka ọgwụgwọ na-ekpuchi ihe, iji mee ka polarity elu dị elu. nke mkpụrụ ma melite ogo nke mkpụrụ osisi. 2. N'oge usoro mkpuchi ahụ, a ga-ebelata oke mkpuchi ahụ nke ọma, na ikpo ọkụ na-agwọ ọrịa na ike UV ga-abawanye.
三, Ihe na-akpata na ngwọta nke isi adịghị enyi
Igwe mkpuchi a na-ekpuchi ga-esi ísì ísì ụtọ mgbe a na-etinye ngwaahịa ahụ, karịsịa ma ọ bụrụ na a na-emechi ngwaahịa ahụ n'ime akpa nkwakọ ngwaahịa ruo ogologo oge, mgbe a na-emeghe akpa nkwakọ ngwaahịa. Isi ihe kpatara ísì ísì ndị a bụ na obere ogige molekụla ndị na-esighị ike nke fọdụrụ na ihe nkiri agba na-akwaga n'elu mkpuchi ahụ ka oge na-aga, na-agbanye n'ikuku, na-agbakọta na-aga n'ihu na ebe a na-emechi emechi. Isi mmalite nke obere ogige molekụla ndị a na-esighị ike bụ tumadi ihe mgbaze (ihe mgbaze ndị na-adịghị agbanwe agbanwe), obere obere monomers fọdụrụnụ (ngwọta ezughị ezu), na obere ogige molekụla nke ndị photoinitiators na-emepụta na mgbawa ha (nke a na-akpọkarị residues initiator). ).
Ụzọ isi edozi isi mgbe a gwọchara ya:
1. Malite site n'ichepụta ihe, jiri usoro mmalite na-arụsi ọrụ ike iji belata ọnụ ọgụgụ nke onye na-emepụta ihe; mee ka ọdịnaya nke ihe ndị na-arụ ọrụ dị iche iche dị na sistemụ ahụ, ma jiri ihe ndị na-emepụta plastik kwesịrị ekwesị iji belata ọnụ ọgụgụ nke obere monomers molecule, karịsịa obere obere ụmụ irighiri ihe. Ojiji monomer.
2. Site n'echiche nke njikwa usoro mkpuchi, n'ụzọ kwesịrị ekwesị na-ebelata mkpuchi mkpuchi, na-amụba okpomọkụ na-agwọ ọrịa, na UV na-agwọ ọrịa ike nwere ike ibelata ọgbọ nke isi ísì ọjọọ.
ị. Ihe kpatara na ihe ngwọta maka ogbenye ọkọ na-eguzogide nke matte sooks
Ihe mere na-adịghị mma ọkọ iguzogide nke matte mkpuchi bụ na matte mmetụta nke mkpuchi bụ tumadi na-emepụta site na-agbasa echiche nke mkpuchi elu na ìhè, na diffous echiche nke mkpuchi elu bụ tumadi mere site roughness nke. mkpuchi elu na mkpuchi mkpuchi. Enweghi ike nke oyi akwa n'onwe ya na-ebilite. Mgbe a na-ehichapụ elu nke siri ike, ọ ga-eweta esemokwu dị ukwuu, na-eme ka mkpuchi ahụ na-adịwanye mfe karịa elu elu. Tụkwasị na nke ahụ, ihe ndị dị na ntụ ntụ dị na mkpuchi matte ga-ebibi iguzosi ike n'ezi ihe nke mkpuchi mkpuchi ruo n'ókè ụfọdụ, nke bụ otu n'ime ihe mere a ga-eji na-ekpuchi mkpuchi matte karịa mkpuchi na-egbuke egbuke.
(Tupu matte dị mfe ịcha ma gbanwee ọcha mgbe a na-ete ya)
Ngwọta maka scratches:
1. Malite site na nhazi nkesa, iji akụkụ nke resin matte dochie ihe ndị na-emepụta ntụ ntụ na agba nwere ike ibelata ihe siri ike nke mkpuchi mkpuchi ma mee ka pigment-base ratio nke mkpuchi n'okpuru ebe n'ịhụ na matte ogo nke mkpuchi, na n'ikpeazụ nweta Mma ọkọ iguzogide nke matt ntekwasa n'elu.
2. Malite site na njikwa nke usoro mkpuchi, n'ụzọ kwesịrị ekwesị na-ebelata ihe mkpuchi mkpuchi, na-amụba okpomọkụ na-agwọ ọrịa, na UV na-agwọ ọrịa nwere ike imeziwanye nkwụsị nke nkwụchi nke mkpuchi matte.
五. Ihe kpatara na ihe ngwọta maka arụ ọrụ stamping ọkụ na-adịghị mma
Isi ihe mere na-adịghị mma na-ekpo ọkụ stamping arụmọrụ bụ: 1. Ihe mkpuchi na-adabaghị na-ekpo ọkụ stamping akwụkwọ, na-akpata na-ezughị ezu na-ekpo ọkụ stamping ma ọ bụ na-adịghị mma adhesion; Nke abụọ, njikwa usoro n'oge stamping na-ekpo ọkụ adịghị eguzosi ike n'ihe.
Ihe ngwọta maka stampụ ọkụ na-adịghị mma:
1. Site n'echiche nke nhazi, Weixi Chemical na-emepụta ihe na-emepụta ihe ndị nwere mmetụta okpomọkụ n'ime nhazi. Ihe ndị dị otú ahụ nwere nnukwu isi ike na esemokwu dị ala na ụlọ okpomọkụ, ma mgbe okpomọkụ rutere ma ọ bụ gafere oge mgbanwe okpomọkụ ya, ụdị ihe a na-eme mgbanwe mgbanwe nke oge na mbelata siri ike na-esonyere mmụba nke esemokwu elu. N'oge a na-ekpo ọkụ stamping usoro, ebe ọ bụ na okpomọkụ nke na-ekpo ọkụ stamping akụkụ na-ebili ngwa ngwa n'elu nkebi mgbanwe okpomọkụ nke ihe, ike nke na-ekpo ọkụ stamping akụkụ na-ebelata nke ukwuu na elu esemokwu na-abawanye, si otú ahụ na-eme ka adhesion n'etiti ọkụ stamping. akwụkwọ na mkpuchi na iguzosi ike n'ezi ihe nke stampụ ọkụ . Mgbe usoro bronzing ahụ mechara, okpomọkụ na-adaba n'okpuru ọnọdụ mgbanwe mgbanwe nke oge na ike nke mkpuchi na-agbake.
2. Site n'echiche nke njikwa usoro, na-ebute ụzọ ịhọrọ akwụkwọ bronzing na usoro nke dabara na mkpuchi ahụ, ma mee ka okpomọkụ nke bronzing dịkwuo elu na ịpị ike n'oge bronzing, bụ nke na-eme ka iguzosi ike n'ezi ihe na adhesion nke bronzing dịkwuo mma.
UV-ụdị PE hose varnish ga-eji nwayọọ nwayọọ dochie mkpuchi polyurethane nwere akụkụ abụọ. Ọ bụ mmepụta nchekwa obodo, mmepụta dị ọcha, mbelata ikuku carbon, yana ihe nchebe gburugburu ebe obibi chọrọ. Enwere ike idozi nsogbu ụfọdụ na-ebilite n'oge a na-ewu UV varnish site na varnish. A na-edozi usoro nhazi nke onye na-emepụta ihe, nhazi usoro nke onye na-emepụta ngwá ọrụ na ụlọ ọrụ mmepụta ihe na-ejikọta ọnụ.
Ụgwọ nke ụlọ ọrụ Shanghai Rainbow Industrial Co., Ltdna-enye ngwọta nkwụsịtụ maka nkwakọ ngwaahịa ịchọ mma. Ọ bụrụ na-amasị gị ngwaahịa, ị nwere ike ịkpọtụrụ anyị,
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Oge nzipu: Jan-06-2023