Hamwe niterambere ryubumenyi nikoranabuhanga, ubwoko bushya bwibikoresho byo guhuza ibiryo bigenda bigaragara mubuzima bwa buri munsi, kandi silicone nimwe murimwe.Kurugero, spicula ya silicone yo gukaranga, ibumba ryo gukora udutsima twinshi, impeta zifunga ibikoresho byo kumeza, hamwe nibicuruzwa byabana nka pacifiers, ibyatsi, hamwe no koza amenyo byose bikozwe muri silicone.Nkibikoresho bikora cyane bya adsorption, ibikoresho byo guhuza ibiryo bikozwe muri silicone bifite ibiranga uburemere bworoshye, kurwanya ibitonyanga, byoroshye koza, kandi bidafite ingese, kandi bizwi cyane mubaguzi bakurikirana ubuzima.Ariko abaguzi benshi kandi bafite impungenge ko ibikoresho bya silicone bimaze igihe kinini bihura nubushyuhe bwo hejuru, bikaza guhura nibiribwa byinshi byamavuta na acide, hanyuma bikaza guhura nibiribwa, bizatera kwimuka kwa plastike hamwe nubushyuhe bukabije bwibyuma mugihe cyo guteka?Ni ubuhe bwoko bwa “imvura”?Nuburozi kumubiri wumuntu iyo biririwe?Haba hari garanti yubwiza numutekano byibicuruzwa bya silicone?
Mu rwego rwo gusobanukirwa n’imiterere y’amasuka ya silicone hamwe n’ibishushanyo bya silicone bigurishwa ku isoko rya Qingdao no guha abakiriya amakuru y’ibicuruzwa byizewe kandi byizewe, komisiyo ishinzwe kurengera abaguzi mu mujyi wa Qingdao yatangije ku mugaragaro ibigereranyo bigereranywa n’ibiti bimwe na bimwe bya silicone n’ibicuruzwa bya silicone birangiye. 2021 Edition ”, yinjiye muri laboratoire yumubiri nubumashini hanyuma yibasira ahakorerwa ubushakashatsi kugirango“ ifate ”iyimuka ryibikoresho byo mu gikoni cya silicone mugihe cyo guteka ubushyuhe bwinshi.
Umubare w'icyitegererezo kuri ubu bushakashatsi bugereranijwe ni ibyiciro 20, byose byaguzwe mu by'ukuri n'abakozi ba komisiyo ishinzwe kurengera umuguzi wa Qingdao nk'abaguzi basanzwe mu masoko manini manini manini, mu maduka manini, ndetse no ku mbuga za e-ubucuruzi nka JD. na Tmall muri Qingdao.Muri byo, ibyiciro 10 by'amasuka ya silicone biva mu maduka yo kuri interineti;Ibice 10 byububiko bwa silicone, ibyiciro 7 biva mumasoko ya interineti, hamwe nibice 3 biva kumasoko yo kumurongo.
Ubushakashatsi bwikizamini bwakorewe mu kigo cy’ubushakashatsi bw’ibicuruzwa bya Qingdao, kandi mu bikoresho byapimwe harimo potasiyumu permanganate ikoreshwa, kwimuka kwose, ibyuma biremereye (muri Pb), kwimuka kwa plastike (DEHP, DAP, DINP, DBP), hamwe n’ibintu byimurwa ( antimony Sb, arsenic Nk, barium Ba, kadmium Cd, chromium Cr, kuyobora Pb, mercure Hg, selenium Se).Ibipimo ngenderwaho birimo GB 4806.11-2016 “Igipimo cy’umutekano w’ibiribwa ku rwego rw’ibikoresho bya reberi n’ibicuruzwa bihuye n’ibiribwa”, GB 9685-2016 “Igipimo cy’umutekano w’ibiribwa mu gihugu cyo gukoresha inyongeramusaruro uhuye n’ibiribwa n’ibicuruzwa”, GB 31604.30-2016 “Igipimo cy’umutekano w’ibiribwa mu rwego rwo kumenya no kwimuka kwa Phthalate mu guhura n’ibiribwa n’ibicuruzwa” GB 6675.4-2014 “Umutekano w’ibikinisho - Igice cya 4: Kwimuka kw'ibintu byihariye”, n'ibindi.
Muri iyi nimero ya "Abaguzi ba Laboratoire", tuzasuzuma mu buryo butaziguye iyimurwa ryibikoresho byo mu gikoni cya silicone mugihe cyo guteka, tugaragaza imiterere yumwimerere, ibyo bikaba ari ibintu byiza bihumura amaso kandi bitangaje.Mu rwego rwo gusubiza ibintu byangiza nkibyuma biremereye hamwe na plasitike bihangayikishije cyane abenegihugu n’abaguzi, ubushakashatsi bwongereye cyane ibizamini bijyanye kandi bukoresha ibikoresho n’ibikoresho bigezweho mu gupima intego kandi neza, hakoreshejwe siyanse mu kugarura ukuri.
Han Bing, umuyobozi w’umushinga w’igereranya ugereranya na komisiyo ishinzwe kurengera umuguzi w’umugi wa Qingdao, na Sun Chunpeng, injeniyeri w’ikigo cy’ubugenzuzi bw’ubuziranenge bw’umugi wa Qingdao, basuye icyumba cyo gutambutsa imbonankubone cya “Laboratoire y’abaguzi” kugira ngo bashyire ahagaragara ibisubizo bya nyuma by’ibyo igeragezwa kandi utange ubuyobozi bwemewe bwabaguzi.Twabibutsa ko ibisubizo by'iki kizamini cyo kugereranya bishinzwe gusa ibyitegererezo kandi ntibigaragaza ubuziranenge bw'izindi ngero cyangwa ibyiciro by'ikirango.Nta gice na kimwe cyemerewe gukoresha ibisubizo bigereranya ibisubizo byo kumenyekanisha nta burenganzira;'Igiciro' cy'icyitegererezo ni igiciro cyo kugura gusa icyo gihe.
Muri laboratoire yumubiri nubumashini yikigo gishinzwe kugenzura ubuziranenge bwa Qingdao, ibyiciro 20 byintangarugero byibicuruzwa bya silicone byoherejwe bwa mbere mu ziko rya dogere 220 kandi bishaje mu kirere gishyushye amasaha 10, bigereranya ubushyuhe bwo hejuru bwibicuruzwa bya silicone mugihe gikoreshwa buri munsi.Nyuma yamasaha 10, fata ibyitegererezo 20 hanyuma ubikonje.Kata agace runaka ka silika gel kuri buri cyitegererezo 20 ukurikije igipimo cyubushakashatsi runaka kugirango utegure icyitegererezo.
Icyitegererezo cyapimwe gishaje mumuyaga ushushe kuri 220 ° C mumasaha 10
Iyo ukoresheje spicula ya silicone na mold, impungenge zingenzi kubenegihugu nukumenya niba hari ikintu cyimuka.Umushinga wubushakashatsi bwa 'kwimuka kwuzuye' urashobora gufata neza umubare wibintu bidahindagurika mubikoresho byo guhuza ibiryo byimukira mubiryo.
Nabonye abatekinisiye ba laboratoire binjiza silicone yaciwe mu biryo bigereranywa na acide acetike ya 4% na Ethanol 50%, nkabishiramo amasaha 4 kuri 100 ℃, hanyuma ngashyira igisubizo cyokunywa mu isahani ihumeka kugeza igihe cyumye.Kuri ubu, bimwe hepfo yibiryo bihumeka bisa nkaho byasukuwe neza, bitagira ikizinga;Bamwe barashobora kubonwa nijisho ryonyine hamwe nigitigiri gito cyibisigara byera bifatanye, bisa nkaho "umunzani".
Ibisigara munsi yibiryo bigenda byuka ni isohoka ryibicuruzwa bya silicone
Ukoresheje acide acetike na Ethanol kugirango wigane ibidukikije byamavuta na acide aho ibikoresho bya silicone bitekwa, igisigara buriwese abona aribintu bidahindagurika byimuka.“Sun Chunpeng, umwenjeniyeri wo mu kigo cy’ubugenzuzi bw’ubuziranenge cya Qingdao, yatangaje ko ibintu bidahindagurika mu bikoresho byita ku biribwa byimukira mu biribwa, bishobora kubyara impumuro byoroshye, bikagira ingaruka ku buryohe bwibiryo ndetse bikagira ingaruka ku buzima bw’abantu.
Nyamara, amakuru yimuka yose yabonetse mubice 20 bya reberi spatula hamwe na silicone yububiko bwa sisitemu muri ubu bushakashatsi biracyahumuriza - kwimuka kwose kwa silicone spatula ahanini byibanda kumurongo wa 1.5 mg / kwadimetero kare kugeza kuri 3.0 mg / kare , mugihe kwimuka kwose kwa silicone yibanda cyane kumurongo wa 1.0 mg / kwadimetero kare kugeza kuri 2.0 mg / kwadimetero kare, byose byujuje ibyangombwa bisabwa na GB 4806.11-2016 (≤ 10 mg / decimeter kare).Mubyongeyeho, ibisubizo byimuka ryimuka rya silicone spatula hamwe na silicone ibumba ntabwo byagaragaje impinduka hamwe nigiciro cyicyitegererezo.
Ikizamini cya "kurya potassium permanganate" nubundi bushakashatsi bushobora gutuma kwimuka kwibicuruzwa bya silicone "kwerekana imiterere yabyo".Abakozi bashinzwe ubushakashatsi binjije gelika ya silika yaciwe mumazi kuri 60 ℃ mumasaha 2.Igisubizo cyo gushiramo cyiswe umuti wa potasiyumu permanganate, kandi agaciro kokoresha potasiyumu permanganate amaherezo kamenyekanye binyuze mumihindagurikire yamabara, kubara dosiye, nibindi.
Ibisigara munsi yibiryo bigenda byuka ni isohoka ryibicuruzwa bya silicone
Ukoresheje acide acetike na Ethanol kugirango wigane ibidukikije byamavuta na acide aho ibikoresho bya silicone bitekwa, igisigara buriwese abona aribintu bidahindagurika byimuka.“Sun Chunpeng, umwenjeniyeri wo mu kigo cy’ubugenzuzi bw’ubuziranenge cya Qingdao, yatangaje ko ibintu bidahindagurika mu bikoresho byita ku biribwa byimukira mu biribwa, bishobora kubyara impumuro byoroshye, bikagira ingaruka ku buryohe bwibiryo ndetse bikagira ingaruka ku buzima bw’abantu.
Nyamara, amakuru yimuka yose yabonetse mubice 20 bya reberi spatula hamwe na silicone yububiko bwa sisitemu muri ubu bushakashatsi biracyahumuriza - kwimuka kwose kwa silicone spatula ahanini byibanda kumurongo wa 1.5 mg / kwadimetero kare kugeza kuri 3.0 mg / kare , mugihe kwimuka kwose kwa silicone yibanda cyane kumurongo wa 1.0 mg / kwadimetero kare kugeza kuri 2.0 mg / kwadimetero kare, byose byujuje ibyangombwa bisabwa na GB 4806.11-2016 (≤ 10 mg / decimeter kare).Mubyongeyeho, ibisubizo byimuka ryimuka rya silicone spatula hamwe na silicone ibumba ntabwo byagaragaje impinduka hamwe nigiciro cyicyitegererezo.
Ikizamini cya "kurya potassium permanganate" nubundi bushakashatsi bushobora gutuma kwimuka kwibicuruzwa bya silicone "kwerekana imiterere yabyo".Abakozi bashinzwe ubushakashatsi binjije gelika ya silika yaciwe mumazi kuri 60 ℃ mumasaha 2.Igisubizo cyo gushiramo cyiswe umuti wa potasiyumu permanganate, kandi agaciro kokoresha potasiyumu permanganate amaherezo kamenyekanye binyuze mumihindagurikire yamabara, kubara dosiye, nibindi.
Ibisubizo byubushakashatsi byerekana ko kunywa potasiyumu permanganate mu masuka ya silicone ahanini byibanda ku gipimo cya mg / kg 2.0 kugeza kuri 3.0 mg / kg, mu gihe kunywa potasiyumu permanganate mu bishishwa bya silicone ahanini byibanda ku gipimo cya 1.5 mg / kg kugeza kuri mg / kg 2,5, yujuje ibyangombwa bisabwa mu rwego rwigihugu GB 4806.11-2016 (mg 10 mg / kg).Indangagaciro zavuye kuri potasiyumu permanganate ikoreshwa kumasuka ya silicone hamwe na silicone ntago yerekanye impinduka yibiciro hamwe nibiciro byicyitegererezo.
>>> Isesengura ryibikoresho: Habonetse ibyuma biremereye, kandi agaciro kangana nujuje ubuziranenge bwigihugu
Ibikoresho byo mu gikoni bya silicone bizarekura ibintu bifite uburozi nkibyuma biremereye hamwe na plasitike mugihe cyo guteka?Iki nikindi kibazo gihangayikishije abaturage.Ubushakashatsi bwo gutahura ibyuma biremereye hamwe na plasitike bigabanijwemo intambwe ebyiri zingenzi: gutegura intoki nintoki hamwe nisesengura hamwe nibikoresho byo gutahura.Twabibutsa ko nkuko ibyuma biremereye bihangayikishije abaguzi, ubu bushakashatsi bwongereye cyane kumenya ubutare bukomeye.
Ukurikije ibisabwa byigihugu byemewe n'amategeko GB 4806.11-2016 “Ibiribwa byigihugu byumutekano wibikoresho bya Rubber hamwe nibicuruzwa bihuye nibiribwa”, nyuma yo kwipimisha no kubisesengura, ibisubizo byose byicyuma kiremereye (kibarwa nkicyuma) ibintu byubushakashatsi mubice 20 amasuka ya silicone hamwe na silicone ibumba byujuje ibisabwa.
Igihe cyo kohereza: Gicurasi-18-2023
