Dipping zvigadzirwa zvechigadzirwa chekurapa: izvo zvaunoda kuziva

Kana zvasvika kune yemvura rabha emulsion dipping zvigadzirwa, nhevedzano yematanho ekuita inofanirwa kupedzwa kuti ive nechokwadi chekuumbwa, vulcanization uye kurapwa kwepamusoro kusangana nezvinodiwa nevatengi mukushandisa kwekupedzisira. Dip molding inogona kugadzira akasimba emidziyo yekurapa zvikamu zveakasiyana maumbirwo, saizi uye kukora kwemadziro, zvinosanganisira mavhavha, mabhero, mitsipa zvisimbiso, magirovhosi ekuvhiya, mabharumu emoyo uye zvimwe zvikamu zvakasiyana. Rabha yechisikigo ine kusimba kwakanakisa uye kusimba kwakakwira, asi zvakare inotakura puroteni inogona kukonzera allergic reaction mumuviri wemunhu. Kusiyana neizvi, synthetic neoprene uye synthetic polyisoprene haikonzere allergies. Neoprene inogona kumira kuedzwa kwezvinhu zvakawanda; inopesana nemoto, mafuta (pakati), mamiriro ekunze, ozone kuputika, abrasion uye flex cracking, alkali uye acid resistance. Panyaya yekunzwa uye kuchinjika, polyisoprene inzvimbo yepedyo yerabha yechisikigo uye ine zvirinani kupikisa kwemamiriro ekunze pane yakasikwa rabha latex. Nekudaro, polyisoprene inopira imwe simba rekusimba, kuramba kubvarura, uye kumanikidza seti. Izwi rekuti "impregnation" rine chekuita nekuvhiya nenzira yekuisa pamuviri. Muchokwadi, sezvo kutevedzana kunoitwa, tafura ichanyudzwa muzvinyorwa. Izvo zvakakosha kuve nechokwadi chekuti kuumbwa kwerabha kunoenderana neFDA yezvokurapa mudziyo nhungamiro uye zvinodiwa. Iyo impregnation process inogona kuratidzwa senge kutendeuka kutevedzana: iyo rabha inoshandurwa kubva mumvura kuenda kune yakasimba, uyezve kemikari inoshandurwa kuita vulcanized molecular network. Zvinotonyanya kukosha, kemikari inoshandura rabha kubva mufirimu isina kusimba kuita network yemamorekuru anogona kutambanudzwa nekuremara, uye achidzokera kuchimiro chayo chepakutanga. Iyo yekusimbisa maitiro haisi nguva dzose inodiwa kune ese "dipping" maitiro, asi yakakosha kune yedu yekugadzirisa kutevedzana. Rubber inogona kuchinjwa kubva pamvura kuenda kugomba nekuomeswa nemhepo, asi izvi zvinotora nguva yakareba. Zvimwe zvikamu zvakatetepa-madziro zvinogadzirwa nenzira iyi. Iyo nzira yekusimbisa inoshandisa makemikari kumanikidza iyi mamiriro emuviri kuchinja. Iyo coagulant musanganiswa kana mhinduro yemunyu, surfactant, thickener, uye inoburitsa mumiririri musolvent (kazhinji mvura). Mune mamwe maitiro, doro rinogonawo kushandiswa sechinhu chinonyungudutsa. Doro rinoputika nekukurumidza uye pane zvishoma zvinosara. Mamwe mvura-based coagulants inoda rubatsiro rwevheni kana dzimwe nzira dzekuomesa coagulant. Chinhu chikuru checoagulant imunyu (calcium nitrate), iyo inodhura zvinhu zvinopa iyo yakanakisisa coagulation kufanana muchimiro chakaiswa. Iyo surfactant inoshandiswa kunyorovesa fomu rakaiswa uye kuona kuti yakatsetseka, yunifomu yekuputira yecoagulant inoumbwa pafomu. Mushonga wekusunungura, wakadai se calcium carbonate, unoshandiswa mukugadzira coagulant kuti ubatsire kubvisa chikamu cherabha chakaporeswa kubva pafomu yakanyikwa. Kiyi yekuita coagulant inosanganisira kupfekedza yunifomu, kukurumidza kubuda, tembiricha yezvinhu, kupinda uye kukurumidza kudzoreredza, uye nyore kuchinjisa kana kuchengetedza calcium concentration. Iyi ndiyo nhanho iyo rabha inoshanduka kubva pamvura kuenda kune yakasimba. Iyo kemikari yemakemikari inokurudzira coagulation, iyo coagulant, ikozvino inoshandiswa kune iyo impregnated fomu uye yakaoma. Iyo fomu "yakaiswa", kana kunyudzwa mumvura yerabha tank. Kana rabha rasangana panyama necoagulant, calcium iri mucoagulant inokonzeresa kuti rabha risagadzikane uye richinje kubva kumvura kuenda kune yakasimba. Iyo yakareba iyo modhi inonyudzwa, iyo yakakura madziro. Iyi kemikari inoita inoenderera mberi kusvika calcium yese yapera kubva mucoagulant. Kiyi ye latex dipping inosanganisira kupinza uye kubuda nekukurumidza, tembiricha yelatex, kufanana kweiyo coagulant coagulant, uye kutonga kwepH, viscosity uye yakazara solids zviri mukati merabha. Iyo leaching process ndiyo inonyanya kushanda nhanho yekubvisa isingadiwe mvura-based makemikari kubva kune yekupedzisira chigadzirwa. Nguva yakanakisa yekubvisa zvinhu zvisingadiwe kubva mufirimu rakaiswa iri leaching isati yapora. Izvo zvakakosha zvezvinhu zvinoumba coagulant (calcium nitrate) uye rubber (natural (NR); neoprene (CR); polyisoporene (IR); nitrile (NBR)). Kusakwana leaching kunogona kutungamira kune "dikita", anonamira mafirimu pane chakapedzwa chigadzirwa, uye yakawedzera njodzi yekutadza kunamatira uye allergic reaction. Kiyi yekuita leaching inosanganisira kunaka kwemvura, tembiricha yemvura, nguva yekugara uye kuyerera kwemvura. Danho iri ibasa rematanho maviri. Mvura iri mufirimu yerabha inobviswa, uye nekufamba kwenguva, tembiricha yevheni inomutsa iyo accelerator uye inotanga kurapa kana vulcanization maitiro. Paunenge uchigadzirisa zvakanakisa zvemuviri zvimiro zvemhando dzakasiyana dzerabha, nguva yekurapa uye tembiricha yekurapa ndiyo kiyi. Pane zvakawanda zvingasarudzwa zvekurapa pamusoro pezvikamu zvakanyura kuitira kuti zvikamu zvirege kunamatira. Sarudzo dzinosanganisira zvikamu zvehupfu, polyurethane coating, silicone wash, chlorination uye sipo yekugeza. Ndezve izvo vatengi vanoda kana zvavanoda kuti zvigadzirwa zvavo zvibudirire. Kunyoresa dhizaini yekurapa uye kutumira kunze. Bookmark, govana uye pindirana neanotungamira dhizaini yeinjiniya magazini nhasi. DeviceTalks nhaurirano pakati pevatungamiriri vehunyanzvi hwekurapa. Zviitiko, podcasts, webinars, uye mumwe-pane-mumwe kuchinjana kwemazano uye ruzivo. Medical mudziyo bhizinesi magazini. 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