Corona obujjanjabi ku firimu za pulasitiika ye tekinologiya omukulu akola ku kunyweza okubi kwa firimu ezitali-Polar. Kitumbula amaanyi g’okungulu kwa firimu okuyita mu bikolwa eby’omubiri n’eby’eddagala ebiri, okuteekawo omusingi omugumu ogw’enkola eziddako ng’okukuba ebitabo, okuyiwa lamiini, n’okusiiga. Enkola yonna yeetaaga okufuga okutuufu okuzuula okusika kw’okungulu, okusengeka ebyuma, okuteekawo parameter, okukakasa effect, n’okulabirira obukuumi okukakasa omutindo gw’obujjanjabi ogunywevu n’okutuukiriza ebyetaago by’okufulumya mu makolero.
Okulaba obujjanjabi bwa Corona .
Firimu za pulasitiika zisinga kuba non-ebiwujjo ebiyitibwa polar polymers. Bwe zitajjanjabibwa, okusika kwazo okw’okungulu kuba 29-33 dynes/cm zokka, ekifuula yinki n’ebizigo ebizibu okukola ebiyungo eby’amaanyi. Enzijanjaba ya Corona ekozesa ekifo eky’amasannyalaze eky’amaanyi aga waggulu (frequency high-voltage electric field) okusobola okufuula empewo okukola ionize, okutuuka ku kukakanyala okw’omubiri n’okukyusakyusa mu ngulu kwa firimu ku ngulu kwa firimu, ne kyongera nnyo okusika kw’okungulu okutuuka ku 38-52 dynes/cm, okugonjoola obulungi ekizibu ky’okukwatagana.
Omusingi omukulu guzingiramu amasannyalaze aga waggulu-amasannyalaze aga waggulu-agakola amasannyalaze aga vvulovumenti nga gakola ekifo ky’amasannyalaze eky’amaanyi wakati w’ekisannyalazo ne molekyo za corona, molekyu z’empewo ezikola ionizing mu pulasima ey’ebbugumu eri wansi-. Plasma bwe ekuba bbomu ku ngulu kwa firimu, ekola ensengekera za nanoscale凹凸 okuyita mu kutambula kw’okukulukuta kw’obusannyalazo, okwongera ku kitundu ky’okungulu ekigere, ate mu kiseera kye kimu n’eyingiza ebibinja by’enjuba nga kaboni ne hayidirokisi ebibinja okuyita mu nsengekera z’okwokya, okutumbula amasoboza ag’okungulu. Enkola eno ey’emirundi ebiri egaba firimu erongooseddwa n’obusobozi bwombi obw’okunyweza n’obusobozi bw’okusikiriza.
Bw’ogeraageranya n’okulongoosa ennimi z’omuliro n’okulongoosa eddagala, okulongoosa eddagala lya corona kuwa enkizo ng’okulongoosebwa okwangu, okufugibwa, ssente entono, n’obutafulumya bucaafu. Esaanira nnyo layini z’okufulumya ez’amaanyi-Espeed continuous production lines era efuuse enkola eya mutindo mu makolero nga okupakinga okukyukakyuka, firimu ez’amasannyalaze, n’okukuba ebitabo, okubikka ku bika bya firimu enkulu omuli LDPE, PP, BOPP, ne PET.
Okuteekateeka n’okuzuula okusika ku ngulu .
Nga tetunnajjanjabwa, kyetaagisa okuzuula okusika kwa firimu okwasooka ku ngulu n’omuwendo gw’ekigendererwa, olwo otegeke ebyuma n’enkola okwewala okujjanjabibwa okuziba ekivaako ebivaamu ebibi oba okwonooneka kwa firimu.
Ebyetaago ebya bulijjo eby’okusika ku ngulu kwa firimu bye bino wammanga: Firimu ya LDPE yeetaaga okweyongera okuva ku 29-31 Dynes/cm okutuuka ku 38-40 Dynes/cm; firimu ya HDPE okuva ku 30-32 okutuuka ku 39-41 Dynes/cm; PP film okuva ku 30-32 okutuuka ku 40-42 Dynes/cm; Firimu ya BOPP okuva ku 31-33 okutuuka ku 40-42 Dynes/cm; Firimu ya PET okuva ku 40-42 okutuuka ku 48-52 Dynes/cm.
Enkola z’okuzuula okusika ku ngulu mulimu enkola y’okugezesa ekkalaamu ya dyne, nga eno y’esinga okubeera ennyangu ku-okuzuula ekifo; enkola y’okutabula okugezesa eya mutindo okusinziira ku DIN ISO 8296, nga ntuufu era nga enkulu mu kusalawo kw’omutindo gwa laboratory; n’enkola ya Bopp tape peeling ey’okusooka okusalawo okw’omutindo.
Pre-Okujjanjaba mulimu okukebera obukuumi bw’ebyuma, okukakasa okwesigika grounding ku high-amaanyi ga voltage, tewali kukulukuta oba ebintu ebigwira ku electrode, enkola eya bulijjo ey’enkola ya ozone emission, n’okupima ekkubo lya firimu okukakasa smooth and wrinkle-free material travel. Ebipimo ebisookerwako birina okuteekebwawo okusinziira ku kika kya firimu, obuwanvu, n’obugazi.
Ensengeka y'ebyuma n'okuteekawo parameter okusobola okulongoosa Corona .
Obulung’amu bw’obujjanjabi bwa corona bwesigamye ku byuma byombi ebikozesebwa n’okulongoosa parameter. Kikulu nnyo okutegeera omulimu gwa buli kitundu, okuteekawo obulungi ebipimo ebikulu, n’okukakasa n’okutereeza mu kiseera ekituufu-okukakasa obujjanjabi obw’enjawulo era obutebenkevu.
Ebyuma birimu ebitundu ebikulu ebiwerako: generator eya waggulu-Voltage, omusingi gw’enkola, okukyusa amasannyalaze ga AC okudda mu waggulu-Frequency waggulu-Voltage output; enkola y’obusannyalazo, efulumya amaanyi g’amasannyalaze aga waggulu-Voltage; a corona treatment roller, ekola nga dielectric; enkola ya ozone emission, eteekebwa butereevu waggulu wa electrode; n’enkola y’okutambuza firimu, okukakasa nti firimu eyita mu kifo awajjanjabirwa ku sipiidi etakyukakyuka.
Ebikulu enkola parameters ne setting logic yaabwe mulimu obujjanjabi power, ebalirirwamu specific formula nga power coefficient ekyukakyuka n'ekika kya film; Ekituli ky’amasannyalaze, mu ngeri entuufu 1-3mm; frequency, ekifo ekikulu 18-30kHz; n’embiro z’okulongoosa, ezitereezebwa nga zikwatagana n’amaanyi.
Ebipimo by’okujuliza ku firimu ez’enjawulo biri bwe biti: ku firimu ya LDPE, omugerageranyo gw’amaanyi 0.8-1.2, frequency eya bulijjo 18-22kHz; ku firimu ya HDPE, 1.0-1.5, 20-24kHz; ku firimu ya PP, 1.2-1.8, 22-26KHz; ku firimu ya Bopp, 1.5-2.0, 24-28kHz; ku firimu y’ebisolo by’omu nnyumba, 2.0-2.5, 26-30kHz.
Real-Okukakasa n'okutereeza mu kiseera kizingiramu okukakasa amangu ku yintaneeti n'ekkalaamu ya dyne test buli luvannyuma lwa ddakiika 30; Okukakasa okutuufu n’amazzi agagezesebwa aga bulijjo buli ssaawa 2-4; n’okutereeza okw’amagezi nga tukozesa enkola y’okulondoola ku yintaneeti okusobola okufuga okutuufu okutaliiko muntu.
Okukakasa ekikolwa ky’obujjanjabi n’okulowooza okuddirira mu kukola .
Post-Treatment, Multi-Okukakasa mu ngeri ey’ebitundu kyetaagisa okukakasa nti kikola bulungi, ate nga weewala akabi k’okukendeera kw’ekikolwa mu kiseera ky’okukola okuddirira okukakasa omutindo gw’ebintu ebisembayo.
Enkola z’okukakasa ekikolwa ky’obujjanjabi zitandikira ku macro okutuuka ku micro: okupima okutuufu okw’okusika ku ngulu nga tukozesa enkola ya standard test liquid; okwekenneenya ensengekera y’eddagala nga tukozesa ESCA oba ATR-FTIR; Okutunuulira enkula y’ebintu ebitonotono nga tukozesa SEM; n’okugezesebwa kw’okukozesa mu nkola nga okukuba ebitabo/okugezesebwa.
Ebikulu ebirina okulowoozebwako mu kulongoosa okuddirira mulimu okufuga obudde, ng’ekikolwa ky’obujjanjabi kigenda kikendeera mu kiseera, nga kyetaagisa okumaliriza enkola eziddako mu ssaawa 24; okukuuma obucaafu, nga kyetaagisa abaddukanya okwambala pawuda-Ggalavu ne firimu ez’eddembe okuzingibwa ne firimu ya PE mu kiseera ky’okutambuza; obujjanjabi obw’okubiri ku firimu eziterekebwa okusukka essaawa 48 oba okufuulibwa obucaafu; ne tension matching, nga enkola ez’enjawulo zeetaaga tension levels ez’enjawulo.
Okuziyiza n’okukwata okuvunda kw’ebikolwa kuyinza okutuukibwako nga tuyita mu kulongoosa enkola y’enkola, mu -Line obujjanjabi bwa corona, n’okulondoola okuvunda.
Ebikwata ku nkola y’obukuumi n’okuddaabiriza .
Okulongoosa kwa corona kuzingiramu vvulovumenti eya waggulu ne ozone, nga kyetaagisa okunywerera ennyo ku mateeka agakwata ku byokwerinda n’okulabirira ebyuma ebituufu okukakasa nti-Termu emala ebbanga ddene.
Ebisaanyizo by’okukola ku by’okwerinda ebikulu mulimu okukuuma ettaka, nga buli wiiki tuzuula obuziyiza bw’oku ttaka; Obukuumi bwa ozone, nga waliwo ebyuma ebikebera ozone mu musomo; Obukuumi bwa vvulovumenti obw’ekika ekya waggulu-, okwetaaga okukutula n’okufulumya amasannyalaze nga tonnaba kuddaabiriza; Okuziyiza omuliro n’okubwatuka, okukuuma ebifo ebijjanjabirwamu nga tebiri ku bintu ebiyinza okukwata omuliro; n’obukuumi bw’omuntu, nga kyetaagisa abaddukanya emirimu okwambala engatto eziziyiza omusana n’endabirwamu ezikuuma.
Ebifo ebiddaabiriza ebyuma mulimu okusiimuula buli lunaku ku ngulu w’ekyuma ekitaliimu mazzi nga kiriko ethanol etaliimu mazzi; okwekebejja buli wiiki okw’okuyungibwa kwa waya za vvulovumenti eza waggulu{{0} n’okugezesa enkola y’okunyogoza; Okuyonja ebituli mu buuma buli luvannyuma lwa myezi esatu n’okukebera ebibegabega bya corona roller; n’okukyusa buli mwaka kwa waya za vvulovumenti eza waggulu-n’okuzuula obuzito bw’empewo efulumya omukka gwa ozone.
Mu bufunze n'emitendera gya tekinologiya .
Corona Treatment for Plastic Films nkola nga ebikwata ku nsonga eno bisalawo obuwanguzi. Buli mutendera, okuva ku kuzuula okusika ku ngulu okutuuka ku kuteekawo parameter, okuva ku kukakasa effect okutuuka ku kuddaabiriza obukuumi, kyetaagisa okufuga okutuufu okutuukiriza ebigendererwa by’okufulumya eby’okunywerera okungi, okufiirwa okutono, n’obulungi obw’amaanyi.
Mu kiseera kino, tekinologiya w’okujjanjaba Corona agenda mu maaso n’okukekkereza amagezi n’okukekkereza amaanyi. Ebikozesebwa ebitegeera bisobola okukozesa AI algorithms okulagula parameters, okukendeeza ku nnongoosereza mu ngalo. Amasoboza-okukekkereza waggulu-Generators za vvulovumenti zikendeeza ku maanyi agakozesebwa ebitundu 15-20% n’okukola ozone ebitundu 10%, okutuukiriza obulungi ebyetaago by’obutonde. Okukuguka mu tekinologiya w’enkola yonna kya makulu nnyo eri ebitongole bya firimu eby’obuveera okutumbula omutindo gw’ebintu n’okukendeeza ku nsaasaanya.
Hefeng, nga omukugu mu China, asobola okukuwa amagezi ku bikopo bya firimu ebituufu ebya Corona oba ebyuma ebirongoosa mu plasma nga byesigamiziddwa ku bifo bya bakasitoma eby’okukuba ebitabo (nga firimu z’obuveera, empapula, ebyuma ebipande). Ebyuma byaffe biwagira ennongoosereza za parameter ezikoleddwa ku mutindo, nga zirina ebikozesebwa ebya bulijjo mu sitoowa okusobola okutuusa amangu. Nga tebannaba kugula, bakasitoma basobola okusaba sampuli ez’obwereere okugezesa obulungi bw’obujjanjabi. Tuwa clear pricelists ne quotations, era okugula mu bungi ebisaanyizo by'okugula discounts, okuyamba bakasitoma okugonjoola insufficient printing adhesion ku ssente entono.