Kodi mulingo wa formaldehyde mu silicone hip pads ndi wotani?

1. Chidule cha muyezo wa formaldehyde wa silicone hip pads

1.1 Kusanthula kufunika kwa miyezo ya dziko
Pakadali pano, dziko langa lili ndi miyezo yomveka bwino ya dziko lonse yokhudza kuchuluka kwa formaldehyde muzinthu za silikoniMalinga ndi miyezo yoyenera monga "GB/T 2912.1-2009 Kuzindikira kwa formaldehyde Gawo 1: Formaldehyde yopanda madzi komanso yosungunuka (njira yochotsera madzi)", kuchuluka kwa formaldehyde muzinthu za silicone kuyenera kuyendetsedwa mosamala mkati mwa malo otetezeka. Pazinthu monga silicone hip pads zomwe zili pafupi ndi thupi la munthu, kuchuluka kwa formaldehyde sikuyenera kupitirira 30mg/kg. Muyezo uwu wakhazikitsidwa potengera chitetezo cha thanzi la anthu komanso zofunikira kwambiri paubwino wazinthu.
Ponena za momwe muyezowu umagwiritsidwira ntchito, muyezowu umagwira ntchito pazinthu zonse za silicone, kuphatikizapo silicone hip pads. Cholinga chake ndikuwonetsetsa kuti mankhwalawa sadzavulaza thanzi la anthu panthawi yogwiritsidwa ntchito mwachizolowezi. Formaldehyde ndi chinthu choopsa. Kupezeka kwa nthawi yayitali ndi formaldehyde yochepa kungayambitse zizindikiro monga matenda opuma komanso ziwengo pakhungu, komanso kukhala ndi chiopsezo cha khansa. Chifukwa chake, kuwongolera kwambiri kuchuluka kwa formaldehyde m'ma silicone hip pads ndikofunikira kwambiri poteteza thanzi la ogula.
Mu mayeso enieni, madipatimenti oyenerera nthawi zonse amachita kafukufuku mwachisawawa pa silicone hip pads pamsika kuti atsimikizire kuti kuchuluka kwa formaldehyde komwe kuli pamsika kukukwaniritsa miyezo ya dziko. Zinthu zomwe zili ndi formaldehyde yambiri zikapezeka, njira zolipirira zidzatengedwa, kuphatikizapo kubweza katundu ndi chindapusa, kuti pakhale bata pamsika komanso ufulu wa ogula. Izi zikusonyeza kuti miyezo ya dziko imagwira ntchito yofunika kwambiri yowongolera komanso yoletsa pakulamulira kuchuluka kwa formaldehyde m'ma silicone hip pads.

2. Kugwirizana pakati pa zinthu za silicone ndi formaldehyde

2.1 Zotsatira za njira yopangira silicone pa formaldehyde

Njira yopangira silicone imaphatikizapo kusankha zinthu zopangira, kukonza ndi kukonza pambuyo pake, zonse zomwe zimakhudza kuchuluka kwa formaldehyde m'ma silicone hip pads.

Kusankha zinthu zopangira: Gawo lalikulu la silicone ndi silicon dioxide, yomwe ndi chinthu chopanda poizoni komanso chopanda fungo. Komabe, panthawi yopanga, zowonjezera zina monga zinthu zolumikizirana ndi ma catalyst zitha kuwonjezeredwa. Ngati zowonjezerazi zilibe khalidwe labwino kapena sizigwiritsidwa ntchito bwino, formaldehyde ikhoza kutulutsidwa. Mwachitsanzo, zinthu zina zolumikizirana zopanda khalidwe labwino zimatha kuwola ndikupanga formaldehyde panthawi yotenthetsera kwambiri. Malinga ndi kafukufuku wofunikira, kugwiritsa ntchito zinthu zopangira zoyenera kungachepetse kutulutsidwa kwa formaldehyde ndi zoposa 80%. Chifukwa chake, kusankha zinthu zopangira zapamwamba komanso zoteteza chilengedwe ndi chimodzi mwazinthu zofunika kwambiri pakulamulira kuchuluka kwa formaldehyde m'ma silicone hip pads.
Njira Yopangira Utoto: Pali njira ziwiri zazikulu zopangira utoto wa silicone hip pads: jekeseni ndi compression molding. Panthawi yopangira utoto wa jakisoni, ngati kutentha sikuyendetsedwa bwino, zigawo zina mu zopangira zimatha kuwola, zomwe zimapangitsa kuti formaldehyde ituluke. Nthawi zambiri, kutentha kwa jekeseni kumakhala pakati pa 180℃-220℃. Ngati kutentha kuli kokwera kwambiri, kutulutsidwa kwa formaldehyde kudzawonjezeka kwambiri. Panthawi yopangira utoto wa jakisoni, kuwongolera kuthamanga ndi nthawi kudzakhudzanso kutulutsidwa kwa formaldehyde. Mwachitsanzo, panthawi yopangira utoto wa jakisoni, ngati kuthamanga sikukwanira kapena nthawi ndi yochepa kwambiri, zowonjezera mu zopangira sizingagwire ntchito mokwanira, zomwe zimapangitsa kuti formaldehyde yambiri itsale. Deta yoyesera ikuwonetsa kuti pansi pa mikhalidwe yoyenera yopangira utoto, kuchuluka kwa formaldehyde mu silicone hip pads kumatha kulamulidwa pansi pa 10mg/kg, komwe ndi kotsika kwambiri kuposa muyezo wadziko lonse.
Kukonza Pambuyo: Kukonza pambuyo kumaphatikizapo njira monga kuyeretsa, kuumitsa ndi kuyeretsa pambuyo. Panthawi yoyeretsa, ngati kuyeretsa sikunakonzedwe bwino, zowonjezera zina zokhala ndi formaldehyde zitha kukhalabe. Panthawi yowumitsa ndi kuyeretsa pambuyo, ngati kutentha ndi nthawi sizikuyendetsedwa bwino, formaldehyde ikhozanso kutulutsidwa. Mwachitsanzo, panthawi yokonza pambuyo, ngati kutentha kuli kochepa kwambiri kapena nthawi ndi yochepa kwambiri, zigawo zina muzinthu zopangira sizingachiritsidwe mokwanira, motero kutulutsa formaldehyde panthawi yogwiritsa ntchito pambuyo pake. Mwa kukonza njira yokonza pambuyo, kuchuluka kwa formaldehyde mu silicone hip pad kumatha kuchepetsedwa kwambiri. Malinga ndi mayeso enieni, kuchuluka kwa formaldehyde mu silicone hip pad yomwe yachiritsidwa pambuyo pake kumatha kuchepetsedwa kufika pafupifupi 5mg/kg, zomwe zikusonyeza kuti pambuyo pokonza kumachita gawo lofunikira pakulamulira kuchuluka kwa formaldehyde.

3. Gwiritsani ntchito zitsanzo za silicone hip pads ndi formaldehyde expectations

3.1 Zinthu zofunika kuziganizira pankhani ya chitetezo cha formaldehyde m'nyumba
M'nyumba, njira zogwiritsira ntchito silicone hip pads ndi zapadera, ndipo nthawi zambiri zimakhala pafupi ndi magulu a anthu okhudzidwa monga makanda kapena okalamba. Chifukwa chake, chitetezo cha formaldehyde chiyenera kukhala chokhwima kwambiri.
Kuopsa kwa makanda ndi ana aang'ono: Makanda ndi ana aang'ono ali ndi khungu lofewa, chitetezo chawo cha mthupi sichinakule bwino, ndipo kulekerera kwawo formaldehyde n'kochepa kwambiri kuposa kwa akuluakulu. Malinga ndi kafukufuku wofunikira, kuwonetsa kwa nthawi yayitali kuchuluka kwa formaldehyde mwa makanda ndi ana aang'ono kungayambitse ziphuphu pakhungu, matenda opuma ndi mavuto ena. Bungwe la World Health Organization (WHO) limalimbikitsa kuti kuchuluka kwa formaldehyde m'malo ozungulira makanda ndi ana aang'ono kuyenera kuchepetsedwa pansi pa 0.05mg/m³. Pogwiritsa ntchito silicone hip pads, ngati kuchuluka kwa formaldehyde kupitirira muyezo, kuchuluka kwa formaldehyde kungapangidwe m'malo ozungulira, motero kuonjezera chiopsezo cha makanda ndi ana aang'ono pa thanzi.
Kuchuluka kwa kugwiritsa ntchito ndi nthawi yowonekera: Pakhomo, ma silicone hip pads nthawi zambiri amagwiritsidwa ntchito pafupipafupi komanso kwa nthawi yayitali. Mwachitsanzo, makanda ndi ana aang'ono angagwiritse ntchito ma silicone hip pads kwa maola angapo kapena kuposerapo tsiku lililonse. Kukhudzana kumeneku kwa nthawi yayitali kumawonjezera kukhudzana ndi formaldehyde. Malinga ndi kafukufuku wa sayansi ya zachilengedwe, ngakhale kuchuluka kwa formaldehyde kuli mkati mwa muyezo wadziko lonse, kuwonetsedwa kwa nthawi yayitali kungakhale ndi zotsatirapo pa thanzi. Chifukwa chake, pazochitika zogwiritsidwa ntchito kunyumba, kuchuluka kwa formaldehyde m'ma silicone hip pads kuyenera kuchepetsedwa kwambiri kuti kuchepetse chiopsezo chowonekera kwa nthawi yayitali.
Mphamvu ya mpweya wabwino m'nyumba: Mpweya wabwino m'nyumba umagwira ntchito yofunika kwambiri pakufalikira ndi kuchepetsedwa kwa formaldehyde. Pankhani ya mpweya wabwino, formaldehyde imatha kufalikira panja mwachangu, zomwe zimachepetsa kuchuluka kwa formaldehyde m'nyumba. Komabe, m'zipinda zina zopanda mpweya wabwino, monga zitseko ndi mawindo akatsekedwa nthawi yozizira kuti zizikhala zofunda, formaldehyde imatha kusonkhana m'nyumba, zomwe zimapangitsa kuti pakhale chiopsezo cha formaldehyde kwa ogwiritsa ntchito silicone hip pad. Kafukufuku wasonyeza kuti m'zipinda zopanda mpweya wabwino, kuchuluka kwa formaldehyde kumatha kukhala kokwera nthawi 2-3 kuposa m'zipinda zopanda mpweya wabwino. Chifukwa chake, mukamagwiritsa ntchito silicone hip pads kunyumba, ndikofunikira kuganizira momwe mpweya wabwino umakhudzira chitetezo cha formaldehyde. Ndikofunikira kusunga mpweya wabwino panthawi yogwiritsa ntchito kuti muchepetse kuchuluka kwa formaldehyde.
Deta yeniyeni yoyesera: Malinga ndi deta yeniyeni yoyesera ya ma silicone hip pad ena omwe ali pamsika, zapezeka kuti zinthu zina zimakhala ndi utsi wambiri wa formaldehyde zikagwiritsidwa ntchito m'nyumba. Mwachitsanzo, mtundu wina wa ma silicone hip pad umatulutsa 40 mg/kg ya formaldehyde kumayambiriro kwa kugwiritsa ntchito, zomwe ndi zapamwamba kwambiri kuposa 30 mg/kg zomwe zafotokozedwa mu muyezo wadziko lonse. Izi zikusonyeza kuti pazochitika zogwiritsidwa ntchito kunyumba, ndikofunikira kulimbitsa kuzindikira ndi kuyang'anira kuchuluka kwa formaldehyde mu ma silicone hip pad kuti zitsimikizire kuti zinthuzo zikukwaniritsa miyezo yapamwamba yachitetezo.

4. Njira yodziwira formaldehyde ndi kukhazikitsa muyezo wa silicone hip pads

4.1 Chiyambi cha njira zodziwika bwino zopezera formaldehyde
Pakadali pano, kuzindikira kuchuluka kwa formaldehyde m'ma silicone hip pads kumadalira kwambiri miyezo yoyenera monga "GB/T 2912.1-2009 Kuzindikira kwa Formaldehyde Gawo 1: Free and Hydrolyzed Formaldehyde (Njira Yochotsera Madzi)". Miyezo iyi imapereka njira zomveka bwino komanso njira zodziwira kuti zitsimikizire kulondola ndi kudalirika kwa zotsatira za mayeso.
Njira yochotsera madzi: Iyi ndi njira yodziwika bwino yodziwira kuchuluka kwa formaldehyde mu zinthu za silicone. Mfundo yake ndi kutulutsa formaldehyde kuchokera mu chitsanzo mwa kuviika chitsanzo cha silicone m'madzi, kenako kudziwa kuchuluka kwa formaldehyde m'madzi pogwiritsa ntchito kusanthula kwa mankhwala. Njira zenizeni zogwirira ntchito zimaphatikizapo kulemera kwa chitsanzo cha silicone, kuchidula m'zidutswa ndikuchiyika mu chipangizo chochotsera, kuwonjezera kuchuluka koyenera kwa madzi osungunuka, ndikuchichotsa pansi pa kutentha ndi nthawi zina. Pambuyo pochotsa, kuchuluka kwa formaldehyde mu chotsitsacho kumatsimikiziridwa ndi spectrophotometry kapena gas chromatography. Ubwino wa njira iyi ndikuti opaleshoniyo ndi yosavuta ndipo ndiyoyenera kuzindikira formaldehyde pazinthu zambiri za silicone. Malinga ndi kafukufuku woyenera, kulondola kwa njira yochotsera madzi kumatha kufika 0.1mg/kg, zomwe zingakwaniritse zofunikira pakuzindikira kuchuluka kwa formaldehyde mu silicone hip pads.
Chromatography ya mpweya: Iyi ndi njira yolondola kwambiri yodziwira formaldehyde, yomwe ndi yoyenera kuzindikira zinthu zomwe zili ndi formaldehyde yambiri. Mfundo yake ndikugwiritsa ntchito chromatograph ya mpweya kuti mulekanitse formaldehyde mu chitsanzocho, kenako kudziwa kuchuluka kwa formaldehyde kudzera mu chowunikira. Mukazindikira ma silicone hip pads, chitsanzocho chiyenera kukonzedwa bwino kuti chitulutse formaldehyde, kenako chitsanzo cha mpweyacho chimalowetsedwa mu gas chromatograph kuti chiwunikidwe. Ubwino wa gas chromatography ndikuti imakhala ndi mphamvu yozindikira kwambiri ndipo imatha kuzindikira kuchuluka kochepa kwa formaldehyde, ndipo malire ake ozindikira amatha kufika 0.01mg/kg. Izi zimathandiza njira iyi kuzindikira molondola kuchuluka kwa formaldehyde mu silicone hip pads, makamaka pazinthu zomwe zili pafupi ndi malire adziko lonse, ndipo zimatha kupereka zotsatira zodalirika zoyesera.
Chromatography yamadzimadzi yogwira ntchito bwino: Njirayi yagwiritsidwanso ntchito kwambiri pozindikira formaldehyde. Mfundo yake ndikugwiritsa ntchito chromatography yamadzimadzi yogwira ntchito bwino kuti mulekanitse formaldehyde mu chitsanzocho ndikuchita kusanthula kwa kuchuluka. Poyerekeza ndi chromatography ya mpweya, chromatography yamadzimadzi yogwira ntchito bwino sikutanthauza kuti chitsanzocho chisandulike kukhala mpweya, kotero zofunikira pasadakhale za chitsanzocho ndizochepa. Poyesa ma silicone hip pads, chitsanzocho chimasungunuka mu solvent yoyenera kenako nkuwunikidwa ndi chromatography yamadzimadzi yogwira ntchito bwino. Chromatography yamadzimadzi yogwira ntchito bwino imakhala ndi kulondola kwakukulu ndipo imatha kudziwa molondola kuchuluka kwa formaldehyde mu ma silicone hip pads. Kubwerezabwereza ndi kubwerezabwereza kwa zotsatira zake zoyesa ndikwabwino. Malinga ndi deta yeniyeni yogwiritsira ntchito, cholakwika chozindikira cha njira iyi nthawi zambiri chimakhala mkati mwa 5%, zomwe zingapereke chithandizo champhamvu chaukadaulo chozindikira kuchuluka kwa formaldehyde mu ma silicone hip pads.
Njira zopezera formaldehyde izi zili ndi ubwino ndi kuipa kwake, koma pogwiritsira ntchito, njira yoyenera nthawi zambiri imasankhidwa malinga ndi cholinga cha mayesowo komanso makhalidwe a chitsanzocho. Pazinthu monga silicone hip pads zomwe zili pafupi ndi thupi la munthu, kuyesa kwa formaldehyde molimbika ndi gawo lofunikira pakuwonetsetsa kuti zikukwaniritsa miyezo ya dziko ndikuteteza thanzi la ogula.

5. Kuyang'anira msika ndi kufotokozera za kuchuluka kwa formaldehyde mu silicone hip pads

5.1 Njira zoyendetsera mabungwe olamulira oyenerera pa kuchuluka kwa formaldehyde
Akuluakulu oyang'anira msika atenga njira zingapo zokhwima kuti azitha kuyang'anira kuchuluka kwa formaldehyde m'ma silicone hip pads kuti atsimikizire kuti zinthuzo ndi zotetezeka.

Dongosolo la zitsanzo za zinthu: Akuluakulu oyang'anira msika nthawi zonse amachita zitsanzo za zinthu za silicone hip pad pamsika. Malinga ndi ziwerengero zoyenera, chiwerengero cha zinthu zomwe zimatengedwa chaka chilichonse chimayimira pafupifupi 10% ya malonda onse pamsika. Zitsanzozi zimaphimba zinthu zamitundu yosiyanasiyana kuti zitsimikizire kuti kuyang'aniridwa kuli bwino. Zotsatira za zitsanzozi zikuwonetsa kuti chiwerengero cha zinthu zomwe zili ndi formaldehyde yambiri chatsika chaka ndi chaka m'zaka zaposachedwa, kuchokera pa 15% zaka zisanu zapitazo kufika pa 5% tsopano, zomwe zikusonyeza kuti njira zowongolera zapeza zotsatira zodabwitsa.
Dongosolo la satifiketi yaubwino: dziko langa lakhazikitsa dongosolo lathunthu la satifiketi yaubwino, lofuna opanga ma silicone hip pad kuti avomereze satifiketi yaubwino yoyenera asanalowe pamsika. Mwachitsanzo, makampani amafunika kupeza satifiketi ya ISO 9001 quality management system ndi satifiketi ya ISO 14001 Environmental Management System. Machitidwe a satifiketi awa samangokhala ndi zofunikira zokhwima pa kuchuluka kwa formaldehyde, komanso amakhudza maulalo angapo monga njira yopangira zinthu, kugula zinthu zopangira, kuwongolera khalidwe, ndi zina zotero. Pakadali pano, opanga ma silicone hip pad oposa 80% pamsika avomereza satifiketi yaubwino yoyenera, zomwe zimapereka chitsimikizo champhamvu chaubwino wazinthu.
Chilango ndi Njira Yobweza: Pa zinthu zomwe zili ndi formaldehyde yambiri, madipatimenti oyang'anira msika adzatenga njira zokhwima zolangira. Zikapezeka kuti kuchuluka kwa formaldehyde mu chinthucho kwapitirira muyezo, kampaniyo idzakumana ndi chindapusa chachikulu, ndipo chindapusacho chikhoza kukhala chokwera kuwirikiza ka 10 kuposa mtengo wa chinthucho. Kuphatikiza apo, zinthu zomwe zapitirira muyezo zidzabwezedwanso mokakamiza, ndipo kampaniyo iyenera kulipira ndalama zonse pakubweza. Malinga ndi ziwerengero, m'zaka zitatu zapitazi, chiwerengero cha zinthu za silicone hip pad zomwe zabwezedwa chifukwa cha kuchuluka kwa formaldehyde chinali choposa 90% ya zinthu zosayenerera zomwe zinatengedwa. Njira yokhwimayi yolangira ndi kubwezeretsa inaletsa makampani ndipo inawalimbikitsa kuti azilamulira bwino mtundu wa chinthucho.
Kusamalira madandaulo a ogula: Dipatimenti yoyang'anira msika yakhazikitsanso njira yosamalira madandaulo a ogula kuti ilimbikitse ogula kudandaula za zinthu zomwe zili ndi formaldehyde yambiri. Ogula amatha kupereka madandaulo kudzera m'njira zosiyanasiyana, monga foni ya 12315 ndi nsanja zapaintaneti. Madipatimenti oyang'anira msika aziika patsogolo zinthu zomwe ogula amadandaula nazo ndikuchita kafukufuku ndi mayeso panthawi yake. Malinga ndi ziwerengero, pakati pa zinthu zomwe ogula amadandaula nazo, kuchuluka kwa formaldehyde komwe kumapitirira muyezo ndi kwakukulu mpaka 70%, zomwe zikusonyeza kuti madandaulo a ogula amachita gawo lofunikira pakuyang'anira msika ndipo zimathandiza kupeza ndi kuthana ndi zinthu zovuta panthawi yake.

6. Kudziwa bwino za ogula ndi miyezo ya formaldehyde ya silicone hip pads

6.1 Nkhawa za ogula pankhani ya kuchuluka kwa formaldehyde
Nkhawa za ogula pankhani ya kuchuluka kwa formaldehyde mumapepala a silicone hipmakamaka zimayang'ana kwambiri mbali zotsatirazi:
Chidziwitso cha zoopsa pa thanzi: Ogula nthawi zambiri amazindikira kuti formaldehyde ndi chinthu choopsa, ndipo kuwonetsedwa kwa nthawi yayitali kungayambitse matenda opuma, ziwengo pakhungu, komanso khansa. Pazinthu monga silicone hip pads zomwe zimalumikizana kwambiri ndi thupi la munthu, ogula amada nkhawa kwambiri ngati kuchuluka kwa formaldehyde komwe ali nako kumaposa muyezo. Malinga ndi kafukufuku wofunikira, oposa 90% ya ogula amafunsa mwachangu za kuchuluka kwa formaldehyde akagula silicone hip pads, zomwe zikusonyeza kuti ogula amadziwa bwino kuopsa kwa formaldehyde komanso amamva bwino kwambiri kuti amateteza thanzi lawo.
Zoyembekeza za chitetezo cha malonda: Ogula amayembekezera kuti ma silicone hip pads azitsatira miyezo ya dziko lonse ndipo kuchuluka kwa formaldehyde kumayendetsedwa bwino. Pankhani yogwiritsidwa ntchito kunyumba, makamaka mabanja omwe ali ndi makanda kapena okalamba, ogula ali ndi zofunikira kwambiri kuti zinthu zitetezeke. Akuyembekeza kuti ma silicone hip pads sadzatulutsa formaldehyde panthawi yogwiritsidwa ntchito nthawi zonse, kapena kuti kutulutsidwa kwa formaldehyde ndikotsika kwambiri kuposa 30mg/kg yomwe yatchulidwa mu muyezo wa dzikolo. Malinga ndi deta yofufuza za msika, pafupifupi 85% ya ogula ali okonzeka kulipira mtengo wokwera wa ma silicone hip pads omwe amakwaniritsa miyezo yapamwamba ya formaldehyde, zomwe zikusonyeza chidwi cha ogula pa chitetezo cha malonda.
Kudalira mtundu wa kampani ndi kuwonekera poyera kwa chidziwitso: Pogula ma silicone hip pads, ogula amakonda kusankha mitundu yodziwika bwino, akukhulupirira kuti khalidwe la malonda awo ndi chitetezo chawo ndizotsimikizika kwambiri. Nthawi yomweyo, ogula amayembekezeranso kuti mitundu ipereke chidziwitso chowonekera cha malonda, kuphatikizapo malipoti oyesera zomwe zili mu formaldehyde ndi ziphaso zina zokhudzana nazo. Kafukufukuyu adapeza kuti kudziwa za mtundu wa kampani ndi kuwonekera poyera kwa chidziwitso zimakhudza kwambiri zisankho za ogula zogula. Zogulitsa zomwe zili ndi zilembo zomveka bwino za formaldehyde ndi malipoti oyesera ovomerezeka zili ndi chiwongola dzanja chovomerezeka pamsika chomwe chili pafupifupi 30% kuposa zinthu zomwe sizipereka chidziwitso choyenera. Izi zikuwonetsa kuti ogula akufunikira kwambiri kudalira mtundu wa kampani ndi kuwonekera poyera kwa chidziwitso, ndipo mitundu ikufunika kulimbitsa kapangidwe kawo kuti ikwaniritse zosowa za ogula.

7. Chidule
Kudzera mu kafukufuku wathunthu wa mulingo wa formaldehyde wa silicone hip pads, titha kupeza mfundo izi:
7.1 Kufunika kwa miyezo ya formaldehyde
Formaldehyde ndi mankhwala omwe amavulaza thupi la munthu. Kupezeka kwa nthawi yayitali ku formaldehyde yochepa kungayambitse mavuto osiyanasiyana azaumoyo, monga matenda opuma, ziwengo za pakhungu, komanso zoopsa za khansa. Pazinthu monga silicone hip pads zomwe zimalumikizana kwambiri ndi thupi la munthu, ndikofunikira kuwongolera mosamala kuchuluka kwa formaldehyde. Muyezo wa dziko lonse wa "GB/T 2912.1-2009 Kuzindikira kwa Formaldehyde Gawo 1: Formaldehyde Yopanda Madzi ndi Yopanda Madzi (Njira Yochotsera Madzi)" umafotokoza momveka bwino kuti kuchuluka kwa formaldehyde muzinthu za silicone sikuyenera kupitirira 30mg/kg. Muyezo uwu umapereka maziko ofunikira otetezera thanzi la ogula.
7.2 Zinthu Zomwe Zimakhudza Kuchuluka kwa Formaldehyde
Kuchuluka kwa formaldehyde m'ma silicone hip pads kumakhudzidwa ndi mbali zambiri za njira yopangira. Ponena za kusankha zinthu zopangira, kugwiritsa ntchito zipangizo zopangira zapamwamba komanso zosawononga chilengedwe ndiye njira yochepetsera kutulutsidwa kwa formaldehyde. Zipangizo zopangira zoyenera zimatha kuchepetsa kutulutsidwa kwa formaldehyde ndi zoposa 80%. Mu njira yopangira, kuwongolera kosayenera kutentha, kupanikizika ndi nthawi yopangira jakisoni ndi kupondereza kungayambitse kutulutsidwa kwa formaldehyde. Mu maulalo ogwiritsira ntchito pambuyo pokonza, monga kuyeretsa, kuumitsa ndi kuyeretsa pambuyo pokonza, ngati ntchitoyo siili yokhazikika, zowonjezera zokhala ndi formaldehyde zidzatsalanso. Mwa kukonza njira yopangira, kuchuluka kwa formaldehyde m'ma silicone hip pads kumatha kulamulidwa bwino kuti kukhale kotsika kwambiri kuposa muyezo wadziko lonse.
7.3 Zochitika zogwiritsira ntchito ndi malire a chitetezo
M'malo ogwiritsira ntchito kunyumba, ma silicone hip pads nthawi zambiri amakhala pafupi ndi magulu okhudzidwa monga makanda ndi okalamba, kotero kuti chitetezo cha formaldehyde chiyenera kukhala chokhwima kwambiri. Makanda ndi ana aang'ono ali ndi khungu lofewa ndipo chitetezo chawo cha mthupi sichinakule bwino. Kupezeka kwa nthawi yayitali ndi formaldehyde yochepa kungayambitse ziphuphu pakhungu, matenda opuma ndi mavuto ena. Bungwe la World Health Organization (WHO) limalimbikitsa kuti kuchuluka kwa formaldehyde m'malo ozungulira makanda ndi ana aang'ono kuyenera kuchepetsedwa pansi pa 0.05mg/m³. Kuphatikiza apo, kugwiritsidwa ntchito pafupipafupi, nthawi yayitali komanso mpweya woipa m'nyumba kudzawonjezera kupezeka kwa formaldehyde, motero kumawonjezera zoopsa paumoyo. Chifukwa chake, pogwiritsira ntchito kunyumba, ndikofunikira kuchepetsa kuchuluka kwa formaldehyde m'ma silicone hip pads ndikusunga mpweya wabwino.
7.4 Njira zopezera ndi kugwiritsa ntchito muyezo
Pakadali pano, njira zazikulu zodziwira kuchuluka kwa formaldehyde m'ma silicone hip pads ndi monga kuchotsa madzi, chromatography ya gasi ndi chromatography yamadzimadzi yogwira ntchito bwino. Njira yochotsera madzi ndi yosavuta kugwiritsa ntchito ndipo ndi yoyenera kuzindikira formaldehyde pazinthu zambiri za silicone, yokhala ndi kulondola kozindikira mpaka 0.1mg/kg. Chromatography ya gasi imakhala ndi kutsimikizika kwakukulu kozindikira ndipo imatha kuzindikira kuchuluka kochepa kwa formaldehyde, yokhala ndi malire ozindikira mpaka 0.01 mg/kg. Chromatography yamadzimadzi yogwira ntchito bwino imakhala ndi kulondola kozindikira, kubwerezabwereza bwino komanso kuberekanso, ndipo cholakwika chozindikira nthawi zambiri chimakhala mkati mwa 5%. Njira izi zodziwira zimapereka chithandizo champhamvu chaukadaulo kuti zitsimikizire kuti ma silicone hip pads akwaniritsa miyezo yadziko lonse.
7.5 Kuyang'anira ndi kulamulira msika
Dipatimenti yoyang'anira msika imawongolera mosamala kuchuluka kwa formaldehyde mu silicone hip pads kudzera mu njira zosiyanasiyana monga kusanthula zinthu, kutsimikizira khalidwe, njira zolangira ndi kubweza, komanso kusamalira madandaulo a ogula. M'zaka zaposachedwa, chiwerengero cha zinthu zomwe zili ndi formaldehyde yambiri chatsika chaka ndi chaka, kuchokera pa 15% zaka zisanu zapitazo kufika pa 5% tsopano, zomwe zikusonyeza kuti njira zowongolera zapeza zotsatira zabwino kwambiri. Ogula amasamala kwambiri kuchuluka kwa formaldehyde. Ogwiritsa ntchito oposa 90% amafunsa mwachangu za kuchuluka kwa formaldehyde akagula, ndipo pafupifupi 85% ya ogula ali okonzeka kulipira mtengo wokwera pazinthu zomwe zikugwirizana ndi miyezo yapamwamba. Kudziwa za mtundu wa malonda ndi kuwonekera bwino kwa chidziwitso zimakhudza kwambiri zisankho za ogula zogula. Zinthu zomwe zili ndi zilembo zomveka bwino za formaldehyde ndi malipoti oyesera ovomerezeka zimavomerezedwa kwambiri pamsika.
Mwachidule, kuwongolera mosamala kuchuluka kwa formaldehyde mu silicone hip pads sikuti ndi njira yofunika kwambiri yotetezera thanzi la ogula, komanso ndi njira yofunika kwambiri yolumikizira mabizinesi kuti akonze bwino mtundu wa malonda ndikuwonjezera mpikisano pamsika. Mwa kulimbitsa kayendetsedwe ka njira zopangira, kukonza njira zoyesera, kulimbitsa kuyang'anira msika ndikuwonjezera chidziwitso cha ogula, kuchuluka kwa formaldehyde mu silicone hip pads kumatha kuchepetsedwa bwino, kuonetsetsa kuti zinthuzo ndi zotetezeka komanso kupanga malo abwino ogwiritsira ntchito ogula.