Muli pano: Kunyumba » Nkhani » Chiyambi Chachidule cha DOP ndi DOTP

Chiyambi Chachidule cha DOP ndi DOTP

Mawonedwe: 290 Wolemba: Mkonzi wa Tsamba Nthawi Yofalitsa: 2022-03-08 Chiyambi: Tsamba

Mapulasitiki a DOP ndi DOTP: Kodi kusiyana kwakukulu ndi kotani?

DOP ndi DOTP ndi mapulasitiki omwe amagwiritsidwa ntchito popanga PVC kukhala yofewa, yosinthasintha komanso yosavuta kuikonza. Kusiyana kwakukulu ndi kapangidwe ka mamolekyu awo: DOP, yomwe nthawi zambiri imatanthauza DEHP, ndi orthophthalate, pomwe DOTP, yomwe imatchedwanso DEHT, ndi terephthalate ndipo nthawi zambiri imasankhidwa ngati njira ina yopanda orthophthalate.

Yankho lachangu: Sankhani DOP pa ntchito za PVC zamafakitale zomwe zimawononga ndalama zambiri pokhapokha ngati ziloledwa kugwiritsidwa ntchito. Yesani DOTP ngati pakufunika kusinthasintha pang'ono, kukhazikika bwino kwa pulasitiki, kukana kusamuka, kutchinjiriza magetsi kapena malo osagwiritsa ntchito orthophthalate. Palibe zipangizo zomwe zimangoyenera kugwiritsidwa ntchito pa zoseweretsa, chakudya kapena kugwiritsa ntchito kuchipatala; kutsatira malamulo kumadalira mtundu wake, kapangidwe kake, zinthu zomalizidwa, ndi msika wopitako.

DOP ndi DOTP mwachidule

Kudziwika kwa	DOP / DEHP	DOTP / DEHT
Dzina lodziwika bwino la mankhwala	Bis(2-ethylhexyl) phthalate	Bis(2-ethylhexyl) terephthalate
Mafupikitsidwe ofala	DOP, DEHP	DOTP, DEHT
Nambala ya CAS	117-81-7	6422-86-2
Fomula ya maselo	C ₂₄H ₃₈O₄	C ₂₄H ₃₈O₄
Banja la nyumba	Orthophthalate ester	Terephthalate ester
Udindo waukulu	Chopangira pulasitiki cha PVC chogwiritsidwa ntchito nthawi zonse	Chopangira pulasitiki cha PVC chosagwiritsidwa ntchito nthawi zonse

DOP ndi DOTP ali ndi njira yofanana ya mamolekyulu ndi zolemera zofanana za mamolekyulu, koma ndi ma isomers omwe ali pamalo amodzi. Mu DOP, magulu awiri a ester ali pafupi ndi mphete ya aromatic. Mu DOTP, ali moyang'anizana. Kusiyana kwa kapangidwe kameneka kumakhudza kusasinthasintha, kusamuka, machitidwe amagetsi, chithandizo chowongolera komanso magwiridwe antchito a nthawi yayitali mu PVC yosinthasintha.

Chidziwitso cha dzina: M'misika yamalonda ya PVC, 'DOP' nthawi zambiri imatanthauza DEHP yokhala ndi CAS 117-81-7. Siyenera kusokonezedwa ndi di-n-octyl phthalate, kapena DNOP, yomwe ndi chinthu china. Ogula nthawi zonse ayenera kutsimikizira dzina la mankhwala ndi nambala ya CAS pa pepala la deta yotetezeka.

Kodi Mapulasitiki Amagwira Ntchito Bwanji mu PVC?

PVC yosapangidwa ndi pulasitiki imakhala yolimba mwachilengedwe. Chopangira pulasitiki chimalowa pakati pa unyolo wa polima wa PVC ndikuchepetsa mphamvu zomwe zimagwirizira unyolowo pamodzi. Unyolowo umatha kuyenda mosavuta, zomwe zimachepetsa kuuma ndikuwonjezera kusinthasintha, kutalika, ndi kuthekera kokonza. Zotsatira zake zimatengera utomoni wa PVC, kulongedza kwa pulasitiki, zokhazikika, zodzaza, utoto, njira yokonzera ndi momwe ntchito ikuyendera.

Kodi DOP Plasticizer ndi chiyani?

DOP ndi dzina lachikhalidwe la bis(2-ethylhexyl) phthalate, lomwe limafupikitsidwa bwino ndi DEHP. Lili ndi mbiri yakale ngati pulasitiki ya PVC yogwiritsidwa ntchito nthawi zonse chifukwa limapereka kufewetsa bwino, kugwirizana kwakukulu, khalidwe lokhazikika lokonza komanso mtengo wopikisana wopanga.

Kutengera malamulo am'deralo ndi zomwe zalembedwa, DOP yagwiritsidwa ntchito mu filimu ya PVC yamafakitale, chikopa chochita kupanga, nsalu zokutidwa, pansi, mapaipi, zisindikizo, ma gasket, zigawo za nsapato ndi zinthu zina zosankhidwa. Malamulo ake ayenera kuyang'aniridwa mosamala asanatchulidwe kuti ndi zinthu zomwe zimakhudza anthu.

Kodi DOTP Plasticizer ndi chiyani?

DOTP imayimira dioctyl terephthalate ndipo imadziwikanso kuti DEHT kapena bis(2-ethylhexyl) terephthalate. Ndi madzi omveka bwino, opanda fungo loipa omwe amagwiritsidwa ntchito makamaka mu PVC yosinthasintha. Popeza ndi terephthalate osati orthophthalate, 'non-orthophthalate plasticizer' ndiye kufotokozera kolondola kwambiri paukadaulo.

DOTP nthawi zambiri imayesedwa ngati njira ina m'malo mwa DOP pamene wopanga akufunika kugwirizana bwino ndi PVC pamodzi ndi kusinthasintha kochepa, kukhazikika bwino, kukana kusamuka kapena kutulutsa, mphamvu zamagetsi zothandiza komanso mbiri yosiyana yolamulira.

Kuyerekeza kwa DOP ndi DOTP

Kuyerekeza kwa	DOP / DEHP	DOTP / DEHT
Kugwiritsa ntchito bwino pulasitiki	Zapamwamba komanso zokhazikika bwino	Zofanana m'njira zambiri; mlingo ungafunike kusintha
Kukonza PVC	Kusakaniza kodziwika bwino ndi khalidwe lokonza	Zingafunike kusintha kwa kutentha, nthawi yosakanikirana kapena kuchuluka kwa zowonjezera
Kusasinthasintha ndi kukhazikika	Yoyenera zinthu zambiri zamafakitale	Kawirikawiri amakonda kugwiritsa ntchito chifukwa cha kusasinthasintha kochepa komanso kusunga pulasitiki kwa nthawi yayitali
Kukana kusamuka ndi kuchotsa	Zimadalira kwambiri kapangidwe kake ndi njira yolumikizirana	Kawirikawiri amasankhidwa pamene pakufunika kukana kusamuka bwino kapena kuchotsa zinthu zina
Kugwira ntchito kwa kutentha	Zokwanira pa ntchito zambiri zokhazikika	Kawirikawiri amawunikidwa komwe kuchepetsa thupi ndi kusunga kusinthasintha kwa nthawi yayitali ndizofunikira kwambiri
Kusinthasintha kwa kutentha kochepa	Kuchita bwino kwa ntchito zonse	Kuchita bwino kwa ntchito zonse; kuzizira kwambiri kungafunike kusakaniza kwapadera kwa pulasitiki
Kugwiritsa ntchito magetsi	Kalekale ankagwiritsidwa ntchito m'makina osankhidwa a chingwe	Kawirikawiri amaganiziridwa kuti ndi otetezeka ndi waya ndi chingwe chifukwa cha mphamvu zamagetsi zothandiza
Udindo wolamulira	DEHP ndi yoletsedwa kapena imadalira zofunikira za chilolezo m'misika ndi mapulogalamu ambiri.	Kawirikawiri amagwiritsidwa ntchito ngati njira ina, koma kutsatira malamulo omalizidwa kuyenera kutsimikiziridwabe
Chofunika kwambiri pa kugula	Mtengo, magwiridwe antchito, ndi kukonza bwino	Kukhalitsa, magwiridwe antchito amagetsi, nthawi yogwirira ntchito komanso malo osagwiritsidwa ntchito ndi orthophthalate

Izi ndi kufananiza kwa makampani ambiri, osati mtengo wotsimikizika. Magiredi amalonda amasiyana malinga ndi kuyera ndi wopanga, pomwe magwiridwe antchito omalizidwa amasintha ndi mtundu wa utomoni, kuyika pulasitiki, zodzaza, zokhazikika ndi mikhalidwe yoyesera. Gwiritsani ntchito deta yaukadaulo ya ogulitsa ndi mayeso ogwiritsira ntchito kuti musankhe komaliza.

1. Kapangidwe ka Mamolekyu

DOP ndi ortho isomer: magulu ake a ester amakhala pafupi wina ndi mnzake pa mphete ya aromatic. DOTP ndi para isomer: maguluwa amakhala moyang'anizana. Ichi ndichifukwa chake mankhwala awiri omwe ali ndi njira yofanana amatha kuchita zinthu mosiyana mu PVC compound ndikuchitiridwa mosiyana ndi malamulo.

2. Kugwira Ntchito Mwanzeru ndi Kukonza Mapulasitiki

DOP imadziwika ndi kufewetsa bwino komanso kukonza bwino zinthu. DOTP imatha kukhala ndi kuuma kofanana ndi kachitidwe ka makina m'njira zambiri, koma siyenera kuonedwa ngati njira yosinthira yokha. Khalidwe losakanikirana, kukhuthala, komanso kuyanjana ndi zodzaza kapena mapulasitiki ena zimatha kusintha.

3. Kusasinthasintha ndi Kukhalitsa Kwanthawi Yaitali

Kutayika kwa pulasitiki kungapangitse fungo kapena utsi kukhala wovuta ndipo kungapangitse PVC yosinthasintha kukhala yolimba kapena yofooka pakapita nthawi. DOTP nthawi zambiri imasankhidwa pamene kusinthasintha kochepa komanso kusunga bwino pulasitiki kwa nthawi yayitali ndikofunikira. Tsimikizirani zomwe mwanenazo ndi mayeso okalamba kutentha ndi kuchepetsa thupi omwe akugwirizana ndi kutentha komwe mukufuna.

4. Kukana Kusamuka ndi Kutulutsa

Kusamuka kungayambitse kuuma kwa pamwamba, kudera, mavuto osindikiza kapena kutayika kwa kusinthasintha. Kutulutsa kungachitike PVC ikakhudza madzi, sopo, mafuta, mafuta kapena zosungunulira. DOTP nthawi zambiri imaganiziridwa ngati pakufunika kukana bwino, koma kutentha, nthawi yokhudzana, kuchuluka kwa pulasitiki ndi zinthu zina zomwe zili pafupi zimakhudza zotsatira zake.

5. Kutentha ndi Kuzizira

Mapulasitiki onse awiriwa amatha kuthandizira kutentha bwino mu PVC yosinthasintha. DOTP nthawi zambiri imayesedwa komwe kukalamba kutentha, kuchepetsa thupi pang'ono, komanso kusinthasintha kwa nthawi yayitali ndizofunikira kwambiri. Pa kuzizira kwambiri, opanga amatha kusakaniza pulasitiki yoyamba ndi adipate kapena sebacate. Pa ntchito ya chingwe chotentha kwambiri, trimellitate yotsika kwambiri ingakhale yoyenera kwambiri.

6. Kuteteza Magetsi

DOTP imayesedwa kwambiri kuti igwiritsidwe ntchito pa waya wa PVC wosinthasintha komanso ma waya a chingwe chifukwa cha kuphatikiza kwake kwa kutchinjiriza magetsi, kusinthasintha komanso kukhazikika. Chogwirizira chomalizidwacho chiyenerabe kukwaniritsa zofunikira zogwiritsira ntchito mphamvu ya voliyumu, mphamvu ya dielectric, kukalamba kwa kutentha, kusunga mphamvu, kusunga kutalika ndi magwiridwe antchito a moto.

7. Mtengo ndi Mtengo Wonse

Mitengo ya pulasitiki imasinthasintha malinga ndi chakudya, dera, kuchuluka kwa oda ndi zinthu zomwe zimagwiritsidwa ntchito, kotero mtengo wokhazikika wa DOP-to-DOTP ndi wosadalirika. Yerekezerani mtengo wonse wa kupanga, phindu lokonza, chiopsezo cholephera, nthawi yonse ya malonda, zofunikira pakuyesa ndi mwayi wopeza msika osati mtengo pa tani imodzi yokha.

Mapulogalamu a DOP vs DOTP

Filimu ndi Mapepala Osinthasintha a PVC

Mapulasitiki amawongolera kufewa, kutalika, kupindika komanso kutentha pang'ono mu filimu yosinthasintha ya PVC. DOP ingagwiritsidwe ntchito m'mafakitale ovomerezeka, pomwe DOTP imayang'aniridwa kwambiri pamafilimu omwe amafuna kukhazikika bwino kapena malo osakhazikika. Zopereka za HSQY Filimu yofewa ya PVC yosindikizira, pansi, nsalu yotchinga, yoteteza komanso yogwiritsidwa ntchito m'mafakitale.

Mawaya ndi Ma waya Opangira Zingwe

Makina opangira mawaya amayerekezera kukana kwa voliyumu, kukalamba kwa kutentha, kusinthasintha kwa kutentha kochepa, kusasinthasintha, kugwirizana kosachedwa ndi moto komanso kuthekera kokonza. DOTP ndi njira yodziwika bwino yogwiritsira ntchito mawaya osinthasintha, pomwe mapulasitiki apadera angafunike kuti kutentha kukhale kwakukulu kapena malo ovuta kwambiri.

Chikopa Chochita Kupanga ndi Nsalu Zokutidwa

Kusankha pulasitiki kumakhudza kukhuthala kwa chophimba, kusakanikirana, kumveka kwa pamwamba, kukongoletsa, kukana kuzizira, kuzizira ndi kukalamba. DOTP ikhoza kuyesedwa ngati wopanga akufunika kusamuka pang'ono, kusungidwa kwa nthawi yayitali kapena kuchepa kwa orthophthalate.

Zophimba Pansi ndi Makoma

Pansi pa PVC pamafunika kusakanikirana bwino, kusinthasintha, kukhazikika kwa mawonekedwe, magwiridwe antchito owonongeka, zolinga zotulutsa mpweya m'nyumba ndi mtengo wake. DOTP imaganiziridwa kwambiri m'njira zamakono zopangira pansi, makamaka pamene zofunikira zosakhala za orthophthalate kapena zofunikira zogulira mpweya wochepa zimagwiritsidwa ntchito.

Mapayipi, Zisindikizo, Magasket ndi Mapulasitiki

Pa mapayipi, zomangira, ma gasket, zophimba zoviika, zomangira ndi ma plastisol, kusankha kumadalira kukhuthala, kusakanikirana, kupanikizika, kusamuka komanso kukana madzi kapena malo olumikizirana. Mayeso ochotsera omwe amagwiritsidwa ntchito ndi odalirika kuposa mfundo yamba yakuti pulasitiki imodzi nthawi zonse imakhala yabwino.

Mapepala Olimba a PVC

PVC yolimba nthawi zambiri imakhala ndi pulasitiki yochepa kapena yopanda pulasitiki yayikulu chifukwa kuuma ndi kukhazikika kwa mawonekedwe ndizofunikira. Pepala lolimba la PVC liyenera kutsimikizira ngati chinthucho sichinapangidwe pulasitiki, sichinasinthidwe pang'ono kapena kuti chigwiritsidwe ntchito mosavuta.

Momwe Mungasankhire Pakati pa DOP ndi DOTP

Kusankha koyenera kumadalira mtundu wa chinthucho, osati dzina la pulasitiki lokha. Gwiritsani ntchito malangizo otsatirawa ngati poyambira.

Zofunikira pa	Chinthu Choyambira Chomwe Chimachitika Nthawi Zonse	Chifukwa Chake
PVC yamafakitale yomwe imadula mtengo wake pomwe DEHP imaloledwa	DOP ikhoza kuganiziridwa	Kukhazikitsa bwino komanso zachuma zogwirira ntchito
Kuteteza waya kapena chingwe	Yesani DOTP	Katundu wothandiza wamagetsi ndi kukhalitsa kwake
Kusasinthasintha kochepa kapena kusungidwa kofewa kwa nthawi yayitali	Yesani DOTP	Kawirikawiri amasankhidwa kuti achepetse thupi komanso kuti asunge bwino
Kulimba kwa kusamuka kapena kukana kutulutsa	Yesani DOTP, kenako yesani	Magwiridwe antchito amadalira zinthu zolumikizirana ndi momwe zimakhalira
Zofunikira pakugula zosagwiritsa ntchito orthophthalate	Yesani DOTP	DOTP imachokera ku terephthalate osati ku orthophthalate
Kukhudzana ndi chakudya, zoseweretsa, chisamaliro cha ana kapena zinthu zachipatala	Sankhani pokhapokha mutawunikanso malamulo	Giredi yeniyeni ndi nkhani yomalizidwa ziyenera kukwaniritsa malamulo ndi mayeso oyenera

Musanasankhe, fotokozani cholinga chomwe mukufuna. Kulimba kwa gombe, mtundu wa utomoni, kukweza kwa pulasitiki, njira yokonzera, kuchuluka kwa kutentha komwe kungagwiritsidwe ntchito, malire okalamba kutentha, malire osamuka kapena otulutsa, kufunikira kwa magetsi, cholinga cha fungo, nthawi yoyembekezeredwa yogwiritsira ntchito, msika wopitako ndi mtengo wonse wopangira.

Momwe Mungasinthire DOP ndi DOTP mu PVC Formulation

DOTP ikhoza kulowa m'malo mwa DOP m'zinthu zambiri zosinthika za PVC, koma kusintha kwa kukula kwa kupanga kuyenera kutsatira kuyesa kolamulidwa m'malo mosinthana kwa munthu mmodzi ndi mmodzi.

Fotokozani chiyambi chake: lembani mlingo wa DOP womwe ulipo, kuuma kwa gombe, mphamvu yokoka, kutalika, khalidwe la kusakanikirana, kukhuthala ndi nthawi yogwirira ntchito.
Yesani kuyesa kwa labotale: yambani pafupi ndi mulingo wa phr womwe ulipo, kenako sinthani kuchuluka kwa DOTP kuti mufike pa kuuma komwe mukufuna komanso mawonekedwe a makina.
Yang'anani momwe zinthu zilili: yesani momwe zinthu zilili zouma, nthawi yosakanikirana, mphamvu, kuthamanga kwa extrusion, yankho la calendering kapena kukhuthala kwa plastisol ngati kuli koyenera.
Yesani momwe zinthu zimagwiritsidwira ntchito kumapeto kwa ntchito: yerekezerani kukalamba kwa kutentha, kuchepetsa thupi, kusinthasintha kwa kuzizira, kusamuka, kuchotsa, kuzizira, kukana magetsi ndi fungo motsutsana ndi zomwe zafotokozedwa mu malonda.
Unikaninso kutsata malamulo: onetsetsani kuti DOTP ili ndi giredi, zowonjezera zina zonse ndi chinthu chomalizidwa molingana ndi zofunikira pamsika.
Tsimikizirani pa mzere wopanga: lembani kuchuluka kolamulidwa musanasinthe njira yogulitsira.

Zofunikira pa Chitetezo ndi Malamulo a DOP ndi DOTP

DEHP, chinthu chomwe nthawi zambiri chimagulitsidwa ngati DOP, chimapezeka pa European Chemicals Agency Candidate List and Authorisation List chifukwa cha poizoni wobereka komanso mphamvu zosokoneza endocrine. Chimaphatikizidwanso ndi zoletsa m'magulu enaake a zinthu za EU. Lamulo la EU RoHS limachepetsa DEHP pazinthu zofanana zomwe zimagwiritsidwa ntchito mu zida zamagetsi ndi zamagetsi, malinga ndi kuchuluka ndi kuchotsera.

Ku United States, Consumer Product Safety Commission imaletsa zoseweretsa za ana ndi zinthu zosamalira ana zomwe zili ndi DEHP yoposa 0.1% mu chinthu chopangidwa ndi pulasitiki chomwe chimapezeka mosavuta. Mayiko ena ndi magulu azinthuzo amagwiritsa ntchito malire osiyanasiyana, kuchotsera, zikalata ndi malamulo oyesera.

DOTP ili ndi mawonekedwe osiyana a mankhwala ndi malamulo, koma kugwiritsa ntchito DOTP sikupangitsa kuti chinthu chomalizidwa chikhale 'chotetezeka,' ''chakudya,' ''chamankhwala,' ''chotetezeka ku zoseweretsa,' ''chopanda phthalate,' ''chogwirizana ndi REACH' kapena 'chogwirizana ndi RoHS.' Zonena zimenezo zimafuna umboni wa mtundu weniweni wa chinthucho, phukusi lonse lowonjezera, momwe zinthu zimakhudzira, chinthu chomalizidwa ndi msika.

Zikalata zomwe ogula ayenera kupempha: pepala la data lachitetezo (SDS), pepala la data laukadaulo (TDS), satifiketi yowunikira (COA), kudziwika kwa mankhwala enieni ndi nambala ya CAS, kulengeza kapangidwe kake kapena zinthu zoletsedwa, ndi zikalata zotsatizana ndi ntchito. Kugwiritsa ntchito molakwika kungafunikenso kusamutsa kwa anthu ena, kuyesa mankhwala kapena zinthu zomalizidwa.

Maumboni Ovomerezeka

Mafunso Omwe Amafunsidwa Kawirikawiri Okhudza DOP ndi DOTP

Kodi kusiyana pakati pa DOP ndi DOTP ndi kotani?

DOP nthawi zambiri imakhala DEHP, pulasitiki wopangidwa ndi orthophthalate. DOTP ndi DEHT, pulasitiki wopangidwa ndi terephthalate. DOP imayesedwa chifukwa cha luso lokhazikika la pulasitiki komanso mtengo wake, pomwe DOTP nthawi zambiri imasankhidwa chifukwa cha kuchepa kwa kusinthasintha, kukhazikika bwino, kukana kusuntha, mphamvu zamagetsi komanso malo osagwiritsidwa ntchito ndi orthophthalate.

Kodi DOP ndi DEHP ndi zinthu zomwezo?

Mu ntchito yodziwika bwino yogulitsa, DOP nthawi zambiri imatanthauza DEHP, kapena bis(2-ethylhexyl) phthalate, CAS 117-81-7. Popeza mawu ofupikitsa amatha kukhala osagwirizana, tsimikizirani dzina lonse la mankhwala ndi nambala ya CAS musanagule.

Kodi DOTP ndi DEHT ndi pulasitiki imodzi?

Inde. DOTP ndi DEHT ndi mayina odziwika bwino a bis(2-ethylhexyl) terephthalate, CAS 6422-86-2. DEHT imazindikira kapangidwe ka 2-ethylhexyl terephthalate molondola kwambiri.

Kodi DOTP ndi pulasitiki yopanda phthalate?

DOTP nthawi zambiri imagulitsidwa ngati yopanda phthalate chifukwa si orthophthalate monga DEHP. 'Non-orthophthalate plasticizer' ndiye kufotokozera kolondola kwambiri kwa mankhwala. Kufunika kulikonse kopanda phthalate kwa chinthu chomalizidwa kuyenera kuthandizidwa ndi njira yodziwika bwino komanso njira yoyesera.

Kodi DOTP ndi yotetezeka kuposa DOP?

DOTP imasankhidwa kwambiri ngati njira ina chifukwa DEHP ili ndi malamulo okhwima. Komabe, chitetezo chimadalira zoopsa, kukhudzidwa, kuyera, mlingo ndi momwe mungagwiritsire ntchito. Palibe pulasitiki yomwe iyenera kufotokozedwa kuti ndi yotetezeka padziko lonse popanda umboni wa momwe imagwiritsidwira ntchito.

Kodi DOTP ingalowe m'malo mwa DOP mwachindunji?

DOTP ikhoza kusintha DOP m'njira zambiri zosinthika za PVC, koma kusintha kwa chinthu chimodzi ndi chimodzi sikutsimikizika. Mlingo, zokhazikika, zodzaza, kutentha kwa kukonza ndi nthawi yosakanikirana zingafunike kusintha. Malizitsani kuyesa kwa labotale ndi kupanga musanasinthe kwathunthu.

Kodi DOTP imapereka kukana kutentha bwino kuposa DOP?

DOTP nthawi zambiri imasankhidwa kuti ichepetse kusinthasintha kwa kutentha komanso kuti igwire bwino ntchito yochepetsera kutentha, koma PVC yonse imapanga zotsatira zake. Tsimikizirani momwe zinthu zilili pogwiritsa ntchito mayeso ochepetsa thupi, kusunga mphamvu, kusunga nthawi yayitali komanso mayeso okalamba okhudzana ndi kugwiritsa ntchito.

Kodi DOTP ndi yoyenera kugwiritsa ntchito waya ndi chingwe chotetezera kutentha?

DOTP imagwiritsidwa ntchito kwambiri mu waya wa PVC wosinthasintha komanso ma waya chifukwa imatha kupereka chitetezo chamagetsi chothandiza, kusinthasintha komanso kukhalitsa. Chosakaniza chomalizidwacho chiyenerabe kukwaniritsa muyezo wofunikira wa chingwe, kutentha, mayeso amagetsi, mayeso okalamba ndi zofunikira za lawi.

Kodi DOTP ndi yoyenera kugwiritsa ntchito PVC yokhudzana ndi chakudya?

Kuyenerera sikokha. Giredi yeniyeni ya DOTP ndi chinthu chomalizidwa ziyenera kukwaniritsa mndandanda woyenera, malire a kapangidwe kake, malire osamukira, mitundu ya chakudya, nthawi yolumikizirana ndi kutentha pamsika wopitako.

Kodi DOP ingagwiritsidwe ntchito mu mankhwala?

PVC yopangidwa ndi pulasitiki ya DEHP ili ndi ntchito zakale zachipatala, koma kugwiritsa ntchito kumeneko kungaphatikizepo kuwunika zoopsa, kulemba zilembo, kuziika pamalo ofunikira, ndi malamulo. DOP yogwiritsidwa ntchito nthawi zonse siyenera kugulitsidwa ngati chizindikiro chachipatala popanda zikalata zenizeni za zinthu, chipangizo, ndi msika.

Kodi ndi zikalata ziti zomwe ogula ayenera kupempha kuchokera kwa ogulitsa mapulasitiki?

Pemphani SDS, TDS, COA, dzina la mankhwala, nambala ya CAS, tsatanetsatane wa kuyera ndi zilengezo zoyenera za malamulo. Kuti mugwiritse ntchito zinthu mosamala, pemphani malipoti oyesera zinthu zoletsedwa, kusamutsa zinthu kapena zinthu zomalizidwa omwe akugwirizana ndi msika wa komwe mukupita.

Pomaliza: Ndi Plasticizer iti yomwe muyenera kusankha?

DOP ndi DOTP zimatha kusungunula PVC yosinthasintha bwino, koma zimathetsa zinthu zosiyana zogulira ndi magwiridwe antchito. DOP ikhoza kukhalabe yothandiza pazinthu zamafakitale zomwe zimaloledwa komanso zotsika mtengo. DOTP nthawi zambiri imakhala yoyambira bwino kwambiri ngati kukhalitsa, magwiridwe antchito amagetsi, kukana kusamuka, nthawi yogwirira ntchito kapena zinthu zomwe sizili ndi orthophthalate ndizofunikira.

Chisankho chabwino kwambiri chimadalira kuuma kwa cholinga, njira yogwirira ntchito, kutentha kwa ntchito, malo otulutsira, nthawi yonse yomwe mukufuna, msika wopitako komanso mayeso ofunikira. Unikani zolemba zaukadaulo ndikutsimikizira PVC yonse musanapange malonda.

Kuti muthandizidwe posankha pepala la PVC kapena filimu yosinthasintha ya PVC, Lumikizanani ndi HSQY Plastic kuti mudziwe mtundu wa chinthu chanu, makulidwe, kukula kwake, kusinthasintha kwake, njira yochizira, kutentha kwa ntchito, msika womwe mukupita, ndi zofunikira pakutsata malamulo.

Mndandanda wa Zomwe Zili M'ndandanda