Site Lawrence (Larry) Van Iseghem bụ Onye isi ala / Onye isi oche nke Van Technologies, Inc.
N'ime oge anyị na ndị ahịa ụlọ ọrụ na-azụ ahịa na mba ụwa, anyị azala ajụjụ dị iche iche na-enweghị atụ ma nye ọtụtụ ngwọta metụtara mkpuchi mkpuchi UV-curable. Ihe na-esonụ bụ ụfọdụ n'ime ajụjụ ndị a na-emekarị, azịza ndị na-eso ya pụkwara inye nghọta na-enye aka.
1. Kedu ihe mkpuchi UV-curable?
N'ime ụlọ ọrụ na-emecha osisi, e nwere ụdị isi atọ nke mkpuchi UV-curable.
100% na-arụ ọrụ (mgbe ụfọdụ a na-akpọ 100% siri ike) mkpuchi UV-curable bụ ihe mejupụtara kemịkalụ mmiri mmiri na-enweghị ihe mgbaze ma ọ bụ mmiri ọ bụla. Mgbe etinyere ya, a na-ekpuchi mkpuchi ahụ ozugbo na ike UV na-enweghị mkpa nkụ ma ọ bụ kpochapu tupu a gwọọ ya. Ngwakọta mkpuchi etinyere na-emeghachi omume iji mepụta akwa oyi akwa siri ike site na usoro mmeghachi omume akọwara na nke akpọrọ photopolymerization nke ọma. Ebe ọ bụ na ọ dịghị evaporation achọrọ tupu ọgwụgwọ, ngwa na usoro ọgwụgwọ na-arụ ọrụ nke ọma ma na-efu ọnụ.
Ihe mkpuchi mmiri na-ebute mmiri ma ọ bụ ihe mgbaze na-ebu ngwakọ UV-agwọta doro anya nwere ma mmiri ma ọ bụ ihe mgbaze iji belata ọdịnaya (ma ọ bụ siri ike). Mbelata a na ọdịnaya siri ike na-enye ohere dị mfe karị n'ịchịkwa ọkpụrụkpụ ihe nkiri mmiri na-etinye, na / ma ọ bụ na-achịkwa viscosity nke mkpuchi. N'iji ya eme ihe, a na-etinye ihe mkpuchi UV ndị a n'elu osisi site na ụzọ dị iche iche ma ọ dị mkpa ka akpọọ ya nke ọma tupu ọgwụgwọ UV.
UV-curable uzuzu mkpuchi bụkwa 100% siri ike mejupụtara na a na-etinyere na conductive substrates site electrostatic mma. Ozugbo etinyere ya, mkpụrụ ahụ na-ekpo ọkụ ka ọ gbazee ntụ ntụ, nke na-asọpụta iji mepụta ihe nkiri dị elu. Mkpụrụ ahụ kpuchiri ekpuchi wee nwee ike kpughee ọkụ UV ozugbo iji kwado ọgwụgwọ. Ihe nkiri dị n'elu a na-esi na ya pụta abụghịzi ikpo ọkụ ma ọ bụ nwee mmetụta.
Enwere ụdị dị iche iche nke mkpuchi mkpuchi UV ndị a nwere ike ịgwọta nke nwere usoro ọgwụgwọ nke abụọ (ọkụ na-arụ ọrụ, mmiri reactive, wdg) nke nwere ike inye ọgwụgwọ na mpaghara elu nke anaghị ekpughere ike UV. A na-akpọkarị ihe mkpuchi ndị a dị ka mkpuchi nke ọgwụgwọ abụọ.
N'agbanyeghị ụdị mkpuchi UV-curable eji, njedebe ikpeazụ ma ọ bụ oyi akwa na-enye àgwà pụrụ iche, ịdịte aka na nguzogide.
2. Kedu ka mkpuchi mkpuchi UV-curable na-agbaso ụdị osisi dị iche iche, gụnyere ụdị osisi mmanụ?
UV-curable mkpuchi na-egosipụta magburu onwe adhesion na ọtụtụ osisi. Ọ dị mkpa ijide n'aka na ọnọdụ ọgwụgwọ zuru oke dị iji nye site na ọgwụgwọ na nrapado kwekọrọ na mkpụrụ.
Enwere ụfọdụ ụdị ndị na-adịkarị mmanu ma nwee ike ịchọ ka etinye primer na-akwalite adhesion, ma ọ bụ "tiecoat." Van Teknụzụ emeela nyocha na mmepe dị ukwuu n'ime mkpuchi mkpuchi UV nwere ike ịgwọ ụdị osisi ndị a. Ihe na-eme n'oge na-adịbeghị anya gụnyere otu ihe mkpuchi nke UV-curable nke na-egbochi mmanụ, sap na pitch itinye aka na mkpuchi mkpuchi elu UV-agwọta.
N'aka nke ọzọ, mmanụ dị n'elu osisi nwere ike iwepụ obere oge tupu ntinye mkpuchi site na ihichapụ na acetone ma ọ bụ ihe mgbaze ọzọ kwesịrị ekwesị. A na-ebu ụzọ were ihe mgbaze na-asa ákwà na-adịghị amị mkpụrụ ma na-ehicha ya n'elu osisi ahụ. A na-ahapụ elu ka ọ kpọọ nkụ wee tinye mkpuchi UV-curable. Mwepụ nke mmanụ dị n'elu na ihe ndị ọzọ na-emerụ emerụ na-akwalite ntinye nke mkpuchi a na-etinye n'elu osisi.
3. Kedu ụdị ntụpọ kwekọrọ na mkpuchi UV?
Enwere ike mechie ntụpọ ọ bụla akọwapụtara ebe a nke ọma ma kpuchie ya na 100% UV-curable, mgbaze-ebelata UV-curable, waterborne-UV-curable, ma ọ bụ UV-curable uzuzu usoro. Ya mere, e nwere ọnụ ọgụgụ nke ga-ekwe omume nchikota na-eme ka ọtụtụ ihe ọ bụla ntụpọ n'ahịa dabara maka ihe ọ bụla UV-curable mkpuchi. Otú ọ dị, enwere ụfọdụ ihe ndị a ma ama iji jide n'aka na ndakọrịta dị maka imecha elu osisi dị mma.
Stains nke mmiri ebutere na mmiri ebutere-UV-ụgwọ a na-agwọ:Mgbe ị na-etinye ma ọ bụ 100% UV-curable, mgbaze-ebelata UV-curable ma ọ bụ UV-curable ntụ ntụ sealers / topcoats n'elu waterborne stains, ọ dị mkpa na ntụpọ ahụ zuru ezu akọrọ iji gbochie ntụpọ na mkpuchi uniformity, gụnyere oroma bee, fisheyes, cratering. , igwu mmiri na igwu mmiri. Nrụrụ dị otú ahụ na-eme n'ihi obere esemokwu dị ala nke mkpuchi a na-etinye n'ọrụ n'ihe gbasara elu mmiri fọdụrụnụ nke mmiri sitere na ntụpọ etinyere.
Ngwa nke mkpuchi mmiri-UV-agwọta, Otú ọ dị, n'ozuzu na-agbaghara. Unyi etinyere nwere ike igosipụta iru mmiri na-enweghị mmetụta ọjọọ mgbe ị na-eji ụfọdụ sealers/coats nke nwere ike gwọọ mmiri-UV. Mmiri fọdụrụnụ ma ọ bụ mmiri sitere na ngwa unyi ga-agbasa ngwa ngwa site na akwa mkpuchi mmiri-UV nke etinyere n'oge usoro ihicha. A na-adụ ọdụ ka ọ nwalee ntụpọ ọ bụla na nchikota sealer/topcoat n'ụdị ule nnochite anya tupu itinye aka n'elu ya ka agwụchaa.
Stains sitere na mmanụ na ihe mgbaze:Ọ bụ ezie na enwere ike ịnwe usoro nke a ga-etinye na ntụpọ mmanụ akọrọ nke ọma ma ọ bụ ihe mgbaze, ọ na-adịkarị mkpa, ma na-atụ aro nke ukwuu, iji kpoo ntụpọ ndị a n'ụzọ zuru ezu tupu itinye ihe ọ bụla sealer/topcoat. Unyi ihicha ngwa ngwa nke ụdị ndị a nwere ike ịchọ ihe ruru awa 24 ruo 48 (ma ọ bụ karịa) iji nweta nkụ zuru oke. Ọzọ, a na-adụ ọdụ ịnwale usoro ahụ n'elu osisi na-anọchite anya ya.
100% UV-ụgwọ ntụpọ:N'ozuzu, 100% UV-curable coatings na-egosipụta nnukwu kemịkalụ na mmiri na-eguzogide mgbe a gwọrọ ya nke ọma. Nguzogide a na-eme ka o sie ike maka mkpuchi mkpuchi emesịa ịrapara nke ọma ma ọ bụrụ na ewepụsịrị elu UV gwọrọ nke ọma iji kwe ka njikọta igwe. Ọ bụ ezie na a na-enye 100% UV-curable stains nke emebere ka ọ nabata na mkpuchi mkpuchi emesịa, a na-enye ọtụtụ 100% UV-curable stains ka abraded ma ọ bụ gwọọ akụkụ ụfọdụ (nke a na-akpọ "B" ogbo ma ọ bụ nkwụsịtụ) iji kwalite nkpuchi intercoat. Nhazi "B" na-arụpụta saịtị ndị fọdụrụ na-emegharị ihe na oyi akwa nke ga-emekọrịta ihe na mkpuchi UV-curable etinyere n'ọrụ ka a na-edozi ya na ọnọdụ ọgwụgwọ zuru oke. Nhazi “B” na-enye ohere maka abrading dị nro na denib ma ọ bụ ibelata mkpụrụ ọka ọ bụla nwere ike ịmalite site na ngwa ntụpọ. Ngwa dị nro ma ọ bụ akwa akwa akwa ga-eme ka adhesion intercoat mara mma.
Nchegbu ọzọ nwere 100% UV-curable stains metụtara agba gbara ọchịchịrị. Unyi nwere oke pigmenti (na mkpuchi pigmenti n'ozuzu) na-arụ ọrụ nke ọma mgbe ị na-eji oriọna UV na-ebuga ike nso na ụdị ọkụ a na-ahụ anya. Ọkụ ọkụ UV nke emebere na gallium yana nchikota ya na oriọna mercury ọkọlọtọ bụ nhọrọ magburu onwe ya. UV LED oriọna nke na-ebunye 395 nm na / ma ọ bụ 405 nm na-arụ ọrụ nke ọma na sistemu nwere pigmenti metụtara 365 nm na 385 nm arrays. Ọzọkwa, sistemụ ọkụ UV na-ebunye ike UV ka ukwuu (mW / cm2) na ike njupụta (mJ/cm2) kwalite ọgwụgwọ ka mma site na unyi etinyere ma ọ bụ akwa mkpuchi pigmenti.
N'ikpeazụ, dị ka ọ dị na sistemụ ntụpọ ndị ọzọ a kpọtụrụ aha n'elu, a na-adụ ọdụ ịnwale tupu ya arụ ọrụ na elu ahụ n'ezie ka ọ bụrụ ntụpọ na mechaa. Jide n'aka tupu ọgwụgwọ!
4. Kedu ihe kacha / kacha nta ihe nkiri na-ewu maka mkpuchi 100% UV?
UV-curable uzuzu mkpuchi teknụzụ bụ 100% UV-curable mkpuchi, na etinyere ọkpụrụkpụ ha na-ejedebeghị site electrostatic ike nke mma na-ekekọta ntụ ntụ n'elu na-agwụcha. Ọ kachasị mma ịchọ ndụmọdụ nke onye na-emepụta ihe mkpuchi UV.
Banyere mmiri 100% UV-curable mkpuchi, etinyere ihe nkiri ọkpụrụkpụ ga-eme ka ihe dị ka otu akọrọ ọkpụrụkpụ film mgbe ọgwụgwọ UV. Ụfọdụ mbelata bụ ihe a na-apụghị izere ezere mana ọ na-abụkarị ihe na-esi na ya pụta. E nwere Otú ọ dị, ukwuu oru ngwa na ezipụta nnọọ uko ma ọ bụ warara film ọkpụrụkpụ tolerances. N'ọnọdụ ndị a, enwere ike ịme nha ihe nkiri a gwọchara ozugbo iji mee ka ọ̀tụ̀tụ̀ mmiri mmiri na nkụ dị.
Ọkpụrụkpụ ikpeazụ gwọrọ nke enwere ike nweta ga-adabere na kemistri nke mkpuchi UV-curable yana otu esi emepụta ya. Enwere sistemu eji arụ ọrụ iji nye nkwụnye ihe nkiri dị gịrịgịrị n'etiti 0.2 mil – 0.5 mil (5µ – 15µ) na ndị ọzọ nwere ike inye ọkpụrụkpụ karịa 0.5 sentimita (12 mm). Dị ka ọ na-adịkarị, mkpuchi UV-gwọrọ nke nwere njupụta njikọ njikọ dị elu, dị ka ụfọdụ usoro urethane acrylate, enweghị ike inwe ọkpụrụkpụ ihe nkiri dị elu na otu oyi akwa etinyere. Ogo nke mbelata mgbe a ga-agwọ ya ga-eme ka mgbawa siri ike nke mkpuchi etinyere n'ime ya. Enwere ike nweta ihe nrụpụta dị elu ma ọ bụ imecha ya site na iji mkpuchi mkpuchi UV-curable nke njupụta njikọ njikọ dị elu site n'itinye ọtụtụ akwa dị mkpa yana ma sanding na / ma ọ bụ “B” n'etiti oyi akwa ọ bụla iji kwalite nchikota intercoat.
A na-akpọ usoro ọgwụgwọ na-arụ ọrụ nke ọtụtụ mkpuchi UV nwere ike ịgwọta " radical free ebidola." Usoro ọgwụgwọ a na-emeghachi omume nwere ike ịnweta oxygen na ikuku nke na-ebelata ma ọ bụ na-egbochi ọsọ ọgwụgwọ. A na-akpọkarị mbelata nke a dị ka mgbochi oxygen na ọ kachasị mkpa mgbe ị na-agbalị ime ka ọkpụrụkpụ ihe nkiri dị gịrịgịrị. N'ime ihe nkiri ndị dị mkpa, ebe dị n'elu na mkpokọta olu nke etinyere mkpuchi dị elu ma e jiri ya tụnyere ọkpụrụkpụ ihe nkiri. Ya mere, ọkpụrụkpụ ihe nkiri dị gịrịgịrị na-enwekarị ike igbochi ikuku oxygen ma na-agwọkwa nwayọ nwayọ. Ọtụtụ mgbe, elu nke imecha na-anọgide na-agwọta nke ọma ma na-egosiputa mmanu mmanu / mmanu mmanu. Iji gbochie mgbochi ikuku oxygen, enwere ike ịfefe gas inert dị ka nitrogen na carbon dioxide n'elu n'oge ọgwụgwọ iji wepụ mkpokọta oxygen, si otú a na-enye ohere ọgwụgwọ zuru oke na ngwa ngwa.
5. Olee otú doro anya na mkpuchi UV doro anya?
Ihe mkpuchi 100% UV-curable nwere ike igosipụta nkọwa doro anya ma ga-emegide uwe mkpuchi doro anya kacha mma na ụlọ ọrụ ahụ. Na mgbakwunye, mgbe etinyere ya na osisi, ha na-ewepụta ọmarịcha mma na omimi nke onyonyo. Ihe na-adọrọ mmasị bụ usoro aliphatic urethane acrylate dị iche iche nke doro anya nke ọma na enweghị agba mgbe etinyere ya n'ụdị dị iche iche, gụnyere osisi. Ọzọkwa, aliphatic polyurethane acrylate mkpuchi na-adịgide adịgide ma na-eguzogide mgbanwe na afọ. Ọ dị mkpa ịkọwapụta na mkpuchi mkpuchi na-egbuke egbuke na-agbasa ìhè karịa ihe mkpuchi na-egbuke egbuke ma ga-esi otú ahụ nwee obere nkọwa. N'ihe metụtara kemịkalụ mkpuchi ndị ọzọ, Otú ọ dị, 100% UV-curable coatings hà ma ọ bụrụ na ọ bụghị elu.
Enwere ike imepụta mkpuchi mkpuchi mmiri-UV-curable dị n'oge a iji nye nkọwapụta pụrụ iche, ọkụ osisi na nzaghachi nye ndị na-emegide usoro mmecha kacha mma. Ịdị ọcha, gloss, nzaghachi osisi na ihe ndị ọzọ na-arụ ọrụ nke mkpuchi UV-curable dị na ahịa taa dị mma mgbe a na-enweta ya site na ndị na-emepụta ihe dị mma.
6. Enwere mkpuchi mkpuchi UV na-acha ma ọ bụ nke nwere agba?
Ee, mkpuchi agba ma ọ bụ nke nwere agba na-adị ngwa ngwa n'ụdị mkpuchi mkpuchi UV ọ bụla mana enwere ihe ndị a ga-atụle maka nsonaazụ kacha mma. Ihe mbụ na nke kachasị mkpa bụ eziokwu ahụ bụ na ụfọdụ agba na-egbochi ike nke UV ike ibunye n'ime, ma ọ bụ banye n'ime ihe mkpuchi UV-curable etinyere. A na-egosiputa spectrum electromagnetic na Foto 1, a pụkwara ịhụ na ọkụ ọkụ a na-ahụ anya dị ozugbo n'akụkụ UV spectrum. Ụdịdị dị iche iche bụ ihe na-aga n'ihu na-enweghị ahịrị doro anya (ogologo wavelength) nke oke. Ya mere, otu mpaghara ji nwayọọ nwayọọ na-ejikọta na mpaghara dị n'akụkụ. N'ịtụle mpaghara ọkụ a na-ahụ anya, e nwere ụfọdụ ndị ọkà mmụta sayensị na-ekwu na ọ na-esi na 400 nm ruo 780 nm, ebe ndị ọzọ na-ekwu na ọ na-esi na 350 nm ruo 800 nm. Maka mkparịta ụka a, ọ dị naanị mkpa ka anyị mata na ụfọdụ agba nwere ike igbochi nnyefe nke ụfọdụ ogologo ogologo UV ma ọ bụ radieshon.
Ebe ọ bụ na ihe a na-elekwasị anya bụ n'ogologo UV ma ọ bụ mpaghara radieshon, ka anyị nyochaa mpaghara ahụ nke ọma. Onyonyo 2 na-egosi mmekọrịta dị n'etiti ebili mmiri nke ìhè a na-ahụ anya na agba kwekọrọ na nke dị irè na igbochi ya. Ọ dịkwa mkpa ịmara na ndị na-agba agba na-adịkarị ogologo ogologo ogologo ogologo nke na agba uhie nwere ike gbasaa ogologo oge nke na ọ nwere ike ịbanye na mpaghara UVA. Ya mere, agba nke nchegbu kasị ukwuu ga-agbatị agba odo - oroma - ọbara ọbara na agba ndị a nwere ike igbochi ọgwụgwọ dị irè.
Ọ bụghị naanị na agba agba na-egbochi ọgwụgwọ UV, ha bụkwa ihe a na-echebara echiche mgbe ị na-eji mkpuchi na-acha ọcha, dị ka primers UV-curable and topcoat paints. Tụlee ihe dị iche iche absorbance nke na-acha ọcha pigmenti titanium dioxide (TiO2), dị ka e gosiri na Image 3. TiO2 egosiputa nnọọ ike absorbance ofụri UV mpaghara na ma, na-acha ọcha, UV-curable coatings na-n'ụzọ dị irè gwọọ. Kedu? Azịza ya na-ebi na nhazi nke ọma site n'aka onye nrụpụta mkpuchi na onye na-emepụta ihe na-ejikọta ya na iji oriọna UV kwesịrị ekwesị maka ọgwụgwọ. Ọkụ ọkụ UV a na-ejikarị eme ihe na-ewepụta ike dị ka egosiri na Foto 4.
Oriọna ọ bụla e gosipụtara na-adabere na mercury, mana site n'itinye mercury ahụ n'ụdị ọla ọzọ, ihe na-esi na ya nwere ike gbanwee gaa na mpaghara ndị ọzọ dị ogologo. N'ihe gbasara TiO2 dabeere, na-acha ọcha, UV-curable mkpuchi, ike na-enye site ọkọlọtọ mercury oriọna ga-n'ụzọ dị irè egbochi. Ụfọdụ n'ime ogologo ebili mmiri dị elu ewepụtara nwere ike inye ọgwụgwọ mana ogologo oge achọrọ maka ọgwụgwọ zuru oke nwere ike ọ gaghị adị irè. Site na iji gallium tinye oriọna mercury, agbanyeghị, enwere ike dị ukwuu nke bara uru na mpaghara TiO2 anaghị egbochi ya nke ọma. Iji ngwakọta nke ụdị oriọna abụọ ahụ, ma site na ọgwụgwọ (iji gallium doped) na ọgwụgwọ elu (iji mercury ọkọlọtọ) nwere ike mezuo (Image 5).
N'ikpeazụ, ọ dị mkpa ịmepụta mkpuchi mkpuchi UV na-acha ma ọ bụ nke nwere pigmenti site na iji fotoinitiators kacha mma ka ike UV - ọkụ ọkụ na-ahụ anya nke oriọna na-ebufe - ejiri ya nke ọma maka ọgwụgwọ dị irè.
Ajụjụ ndị ọzọ?
N'ihe gbasara ajụjụ ọ bụla na-ebilite, egbula oge ịjụ ụlọ ọrụ ụlọ ọrụ ugbu a ma ọ bụ n'ọdịnihu na-eweta mkpuchi, akụrụngwa na usoro njikwa usoro. Azịza dị mma dị iji nyere aka mee mkpebi dị irè, nchekwa na uru. u
Lawrence (Larry) Van Iseghem bụ onyeisi oche / CEO nke Van Technologies, Inc. Van Teknụzụ nwere ihe karịrị 30 afọ ahụmahụ na UV-curable coatings, na-amalite dị ka ihe R&D ụlọ ọrụ ma ghọọ ngwa ngwa ghọọ a emeputa nke Ngwa Specific Advanced mkpuchi mkpuchi ™ na-eje ozi mkpuchi ụlọ ọrụ. akụrụngwa zuru ụwa ọnụ. UV-curable mkpuchi na-abụkarị ihe a na-elekwasị anya, yana teknụzụ mkpuchi "Green" ndị ọzọ, na-emesi ike na arụmọrụ hà nhata ma ọ bụ karịa nkà na ụzụ. Van Teknụzụ na-arụpụta ụdị mkpuchi mkpuchi ụlọ ọrụ GreenLight Coatings ™ dị ka ISO-9001: 2015 kwadoro usoro njikwa mma. Maka ozi ndị ọzọ, gaa nawww.greenlightcoatings.com.
Oge nzipu: Jul-22-2023
