Iiplastiki zeDOP vs DOTP: Yintoni umahluko ophambili?
I-DOP kunye ne-DOTP ziiplastiki ezisetyenziswa ngokubanzi ezisetyenziselwa ukwenza i-PVC ithambe, iguquguquke kwaye kube lula ukuyicubungula. Umahluko ophambili kukwakheka kwazo kweemolekyuli: I-DOP, edla ngokubhekisa kwi-DEHP, yi-orthophthalate, ngelixa i-DOTP, ekwabizwa ngokuba yi-DEHT, yi-terephthalate kwaye idla ngokukhethwa njengenye indlela engeyiyo i-orthophthalate.
Impendulo ekhawulezileyo: Khetha i-DOP kwizicelo ze-PVC ezixabisa kakhulu neziqhelekileyo kwimizi-mveliso kuphela xa ukusetyenziswa kwayo kuvunyelwe. Vavanya i-DOTP xa kufuneka ukuguquguquka okuphantsi, ukuhlala ixesha elide kwe-plasticizer, ukumelana nokufuduka, ukufakelwa kombane okanye indawo engeyiyo i-orthophthalate. Akukho nanye kwezi zinto ifanelekileyo ngokuzenzekelayo kwiithoyi, ukudibana nokutya okanye ukusetyenziswa kwezonyango; ukuthobela kuxhomekeke kudidi oluthile, ukwenziwa okupheleleyo, into egqityiweyo kunye nemakethi yendawo ekuyiwa kuyo.
I-DOP kunye ne-DOTP ngokujonga nje
| Isazisi |
DOP / DEHP |
DOTP / DEHT |
| Igama eliqhelekileyo lekhemikhali |
I-Bis(2-ethylhexyl) phthalate |
I-Bis(2-ethylhexyl) terephthalate |
| Izifinyezo eziqhelekileyo |
I-DOP, i-DEHP |
I-DOTP, i-DEHT |
| Inombolo ye-CAS |
117-81-7 |
6422-86-2 |
| Ifomula yemolekyuli |
C 24H 38O4 |
C 24H 38O4 |
| Usapho lwezakhiwo |
I-Orthophthalate ester |
I-ester yeTerephthalate |
| Indima ephambili |
I-plasticizer yePVC eyenzelwe iinjongo ngokubanzi |
I-plasticizer ye-PVC engeyiyo i-orthophthalate eyenzelwe iinjongo ngokubanzi |
I-DOP kunye ne-DOTP zinefomula efanayo yemolekyuli kunye nobunzima obufanayo bemolekyuli, kodwa ziyi-isomers zesimo. Kwi-DOP, amaqela amabini eester asondelelene kwindandatho ye-aromatic. Kwi-DOTP, achasene. Olu mahluko lwesakhiwo luchaphazela ukuguquguquka, ukufuduka, ukuziphatha kombane, unyango lolawulo kunye nokusebenza kwexesha elide kwi-PVC eguquguqukayo.
Inqaku lokubiza amagama: Kwiimarike zorhwebo ze-PVC, igama elithi 'DOP' lidla ngokuthetha i-DEHP ene-CAS 117-81-7. Akufanele idideke ne-di-n-octyl phthalate, okanye i-DNOP, into eyahlukileyo. Abathengi kufuneka baqinisekise igama lekhemikhali kunye nenombolo ye-CAS kwiphepha ledatha yokhuseleko.
Zisebenza njani iiPlasticizers kwiPVC?
I-PVC engafakwanga iplastiki iqinile ngokwemvelo. I-plasticizer ingena phakathi kwe-PVC polymer chains kwaye inciphise amandla abambe ezo ntambo kunye. Ezi ntambo zinokuhamba ngokulula, nto leyo enciphisa ubulukhuni kwaye yonyuse ukuguquguquka, ubude kunye nokuqhubekeka kokusebenza. Isiphumo sokugqibela sixhomekeke kwi-resin ye-PVC, ukulayishwa kwe-plasticizer, iziqinisi, izizalisi, imibala, indlela yokucubungula kunye neemeko zenkonzo.
Yintoni i-DOP Plasticizer?
I-DOP ligama lemveli le-bis(2-ethylhexyl) phthalate, elifinyezwe ngokuchanekileyo yi-DEHP. Inembali ende njenge-PVC plasticizer kuba inika ukuthambisa okusebenzayo, ukuhambelana okubanzi, indlela yokusebenza esele imiselwe kunye neendleko zokwenziwa ezikhuphisanayo.
Ngokuxhomekeke kwimigaqo yendawo kunye nenkcazo yemveliso egqityiweyo, i-DOP isetyenzisiwe kwifilimu ye-PVC yemizi-mveliso, ulusu lokwenziwa, amalaphu agqunyiweyo, umgangatho, iipayipi, izitywini, ii-gasket, izinto zezihlangu kunye neekhompawundi zekhebula ezikhethiweyo. Imeko yayo yolawulo kufuneka ihlolwe ngononophelo ngaphambi kokuba ichazwe kwiimveliso ezibandakanya ukuvezwa okukhulu ebantwini.
Yintoni i-DOTP Plasticizer?
I-DOTP imele i-dioctyl terephthalate kwaye ikwaziwa ngokuba yi-DEHT okanye i-bis(2-ethylhexyl) terephthalate. Lulwelo olucacileyo, olunevumba eliphantsi olusetyenziswa kakhulu kwi-PVC eguquguqukayo. Ngenxa yokuba yi-terephthalate endaweni ye-orthophthalate, 'i-non-orthophthalate plasticizer' yeyona nkcazo ichaneke kakhulu kwezobuchwepheshe.
I-DOTP isoloko ivavanywa njengendlela eyahlukileyo endaweni ye-DOP xa umenzi efuna ukuhambelana okuhle kwe-PVC kunye nokuguquguquka okuphantsi, ukuqina okuphuculweyo, ukumelana nokufuduka okanye ukutsalwa, iipropati zombane eziluncedo kunye neprofayili eyahlukileyo yokulawula.
Uthelekiso lwe-DOP vs DOTP
| I-Factor yokuthelekisa |
i-DOP / DEHP |
DOTP / DEHT |
| Ukusebenza kakuhle kweplastiki |
Iphezulu kwaye izinzile |
Iyafana kwiifomyula ezininzi; idosi ingadinga ukulungiswa |
| Ukucubungula i-PVC |
Ukuziphatha okuqhelekileyo kokudibanisa kunye nokucubungula |
Isenokufuna utshintsho kubushushu, ixesha lokudibanisa okanye ibhalansi yokongeza |
| Ukuguquguquka kunye nokuhlala ixesha elide |
Ifanelekile kwiimveliso ezininzi zoshishino ngokubanzi |
Ihlala ikhethwa ngenxa yokuguquguquka okuncinci kunye nokugcinwa kweplastiki ixesha elide |
| Ukumelana nokufuduka kunye nokukhutshelwa |
Ixhomekeke kakhulu kwifomyula kunye nendlela yokunxibelelana |
Ihlala ikhethwa xa kufuneka ukufuduka okuphuculweyo okanye ukumelana nokukhutshelwa ngaphandle |
| Ukusebenza kokuguga kobushushu |
Yanele usetyenziso oluninzi oluqhelekileyo |
Ihlala ivavanywa apho ukunciphisa umzimba okuncinci kunye nokugcinwa kokuguquguquka ixesha elide zezona zinto ziphambili |
| Ukuguquguquka kobushushu obuphantsi |
Ukusebenza kakuhle kwenjongo ngokubanzi |
Ukusebenza kakuhle ngokubanzi; ukubanda kakhulu kunokufuna umxube weplastiki ekhethekileyo |
| Usetyenziso lombane |
Yayisetyenziswa ngokwembali kwiikhompawundi zekhebula ezikhethiweyo |
Ihlala ijongwa njengesixhobo sokukhusela ubushushu bentambo kunye neentambo ngenxa yokusebenza kakuhle kombane |
| Isikhundla solawulo |
I-DEHP ithintelwe okanye ixhomekeke kwiimfuno zemvume kwiimarike ezininzi kunye nezicelo |
Ihlala isetyenziswa njengenye indlela, kodwa ukuthobela imveliso egqityiweyo kusafuneka kuqinisekiswe |
| Izinto eziphambili ekuthengeni |
Ixabiso, ukusebenza kakuhle kunye nokulungiswa okumiselweyo |
Ukuqina, ukusebenza kombane, ubomi benkonzo kunye nokubekwa kwe-non-orthophthalate |
Olu luthelekiso oluqhelekileyo kushishino, alunazo ixabiso eliqinisekisiweyo. Amanqanaba orhwebo ayahluka ngokobunyulu kunye nomenzi, ngelixa ukusebenza kwe-compound egqityiweyo kutshintsha ngohlobo lwe-resin, ukulayisha i-plasticizer, izizalisi, iziqinisi kunye neemeko zovavanyo. Sebenzisa idatha yobuchwephesha yomthengisi kunye novavanyo lwesicelo ukwenza isigqibo sokugqibela.
1. Ulwakhiwo lweeMolekyuli
I-DOP yi-ortho isomer: amaqela ayo e-ester ahlala ecaleni kwenye kwisangqa se-aromatic. I-DOTP yi-para isomer: amaqela abekwe ecaleni kwenye. Yiyo loo nto iikhemikhali ezimbini ezinefomula efanayo zinokuziphatha ngokwahlukileyo kwi-PVC compound kwaye ziphathwe ngokwahlukileyo ngokwemigaqo.
2. Ukusebenza kakuhle kweplastiki kunye nokucubungula
I-DOP yaziwa ngokuthamba okusebenzayo kunye nokucubungula okuqikelelweyo. I-DOTP inokufikelela kubunzima obufanayo kunye nokusebenza koomatshini kwiifomyula ezininzi, kodwa akufuneki iphathwe njengotshintsho oluzenzekelayo lomntu omnye komnye. Ukuziphatha kokudibanisa, i-viscosity kunye nokusebenzisana nezizalisi okanye iiplastiki zesibini kunokutshintsha.
3. Ukuguquguquka kunye nokuhlala ixesha elide
Ukulahleka kweplastiki kunokunyusa ivumba okanye inkungu kwaye kunokwenza i-PVC eguquguqukayo ibe nzima okanye iqhekeke ngakumbi ngokuhamba kwexesha. I-DOTP idla ngokukhethwa xa kubalulekile ukuba i-transformer ibe sezantsi kwaye iphuculwe ukugcinwa kweplastiki ixesha elide. Qinisekisa ibango ngovavanyo lokuguga kobushushu kunye nokunciphisa ubunzima oluhambelana nobushushu obucetywayo.
4. Ukumelana nokufuduka kunye nokutsalwa kwezinto
Ukufuduka kunokubangela ukunamathela komphezulu, ukudaya, iingxaki zokudluliselwa koshicilelo okanye ukulahleka kokuguquguquka. Ukukhupha kungenzeka xa i-PVC idibana namanzi, iisepha, iioyile, amafutha okanye izinyibilikisi. I-DOTP idla ngokuqwalaselwa xa kufuneka ukumelana okungcono, kodwa ubushushu, ixesha lokudibana, uxinano lweplastiki kunye nezinto ezikufutshane zonke zichaphazela isiphumo.
5. Ukusebenza kobushushu nokubanda
Zombini iiplastiki zinokuxhasa ukusebenza kakuhle kobushushu kwi-PVC eguquguqukayo. I-DOTP isoloko ivavanywa apho ukuguga kobushushu, ukunciphisa umzimba okuphantsi kunye nokuguquguquka kwexesha elide zezona zinto ziphambili. Kwingqele egqithisileyo, iifomyula zinokudibanisa iplastiki yokuqala kunye ne-adipate okanye i-sebacate. Kwinkonzo yekhebula yobushushu obuphezulu, i-trimellitate eguquguqukayo ephantsi ingafaneleka ngakumbi.
6. Ukufakwa kombane
I-DOTP ihlolwa ngokubanzi kwiikhompawundi zentambo ze-PVC eziguquguqukayo kunye neentambo ngenxa yokudibanisa kwayo ubushushu bombane, ukuguquguquka kunye nokuhlala ixesha elide. Ikhompawundi egqityiweyo kufuneka isamkele iimfuno ezifanelekileyo zokumelana nomthamo, amandla e-dielectric, ukuguga kobushushu, ukugcinwa kokuxinana, ukugcinwa kobude kunye nokusebenza komlilo.
7. Ixabiso kunye nexabiso lilonke
Amaxabiso eplastiki atshintsha ngokwempahla yokutya, ummandla, ubungakanani beodolo kunye nothutho, ngoko ke iprimiyamu yexabiso elimiselweyo ukusuka kwi-DOP ukuya kwi-DOTP ayithembekanga. Thelekisa iindleko zokwenziwa, isivuno sokucubungula, umngcipheko wokungaphumeleli, ubomi bemveliso, iimfuno zovavanyo kunye nokufikelela kwimarike endaweni yexabiso ngetoni nganye kuphela.
Izicelo ze-DOP vs DOTP
Ifilimu kunye nePhepha le-PVC eliguquguqukayo
Iiplastiki zilawula ukuthamba, ukunwebeka, ukunyamezela ukugoba kunye nokuziphatha kobushushu obuphantsi kwifilimu yePVC eguquguqukayo. I-DOP ingasetyenziswa kwizicelo ezivumelekileyo ngokubanzi zoshishino, ngelixa i-DOTP ivavanywa ngakumbi kwiifilimu ezifuna ukuphuculwa kokuhlala ixesha elide okanye indawo engeyiyo i-orthophthalate. Izixhobo ze-HSQY Ifilimu ethambileyo yePVC yokushicilela, umgangatho, ikhethini, ukusetyenziswa kokukhusela kunye nokwemizi-mveliso.
Iikhompawundi zeWire kunye neeCable
Ii-cable formulators zithelekisa ukumelana nomthamo, ukuguga kobushushu, ukuguquguquka kobushushu obuphantsi, ukuguquguquka, ukuhambelana okubambezela ilangabi kunye nokukwazi ukucutshungulwa. I-DOTP yinto eqhelekileyo kwiikhompawundi ze-cable eziguquguqukayo ngokubanzi, ngelixa ii-plasticizers ezikhethekileyo zinokufuneka kwiireyithingi zobushushu eziphezulu okanye kwiindawo ezinzima ngakumbi.
Isikhumba sokwenziwa kunye namalaphu agqunyiweyo
Ukukhethwa kweplastiki kuchaphazela ukuxinana kwengubo, ukudibana, ukuvakala komphezulu, ukugquma, ukumelana nokuqhekeka komkhenkce, ukufiphala kunye nokwaluphala. I-DOTP inokuvavanywa apho umenzi efuna ukufuduka okuncinci, ukugcinwa kokuthamba ixesha elide okanye umxholo we-orthophthalate oncitshisiweyo.
Izigqubuthelo zomgangatho kunye neendonga
Umgangatho wePVC udinga ulungelelwano lokudibana, ukuguquguquka, uzinzo olulinganayo, ukusebenza kokuguguleka, iinjongo zokukhupha umbane ngaphakathi kunye neendleko. I-DOTP ithathwa kakhulu kwiifomyula zanamhlanje zomgangatho, ingakumbi xa kusetyenziswa iinkcukacha ezingezizo ze-orthophthalate okanye iimfuno zokuthenga umbane ophantsi.
Iipayipi, iiSeal, iiGasket kunye neePlastisols
Kwiipayipi, izitywini, iigasket, iidiphu zokugquma, iisealants kunye neeplastisol, ukhetho luxhomekeke kwi-viscosity, i-fusion, iseti yoxinzelelo, ukufuduka kunye nokumelana nolwelo olucetywayo okanye umphezulu woqhagamshelwano. Uvavanyo lokukhupha oluchanekileyo lwesicelo lunokuthenjwa ngakumbi kunebango eliqhelekileyo lokuba i-plasticizer enye isoloko ingcono.
Iphepha lePVC eliqinileyo
I-PVC eqinileyo idla ngokuba ne-plasticizer encinci okanye ingabi nayo kwaphela kuba kufuneka ukuqina kunye nozinzo olulinganayo. Iphepha le-PVC eliqinileyo kufuneka liqinisekise ukuba imveliso ayifakwanga iplastiki, ayiguqulwanga kancinci okanye yenzelwe ukusetyenziswa okuguquguqukayo.
Indlela yokukhetha phakathi kwe-DOP kunye ne-DOTP
Ukhetho olufanelekileyo luxhomekeke kwiinkcukacha zemveliso, kungekhona igama le-plasticizer kuphela. Sebenzisa esi sikhokelo sesigqibo silandelayo njengendawo yokuqala.
| Imfuneko yeMveliso |
Ukhetho oluqhelekileyo lokuqala |
Kutheni |
| I-PVC yemizi-mveliso ngokubanzi exabisa kakhulu apho i-DEHP ivumelekileyo khona |
I-DOP ingaqwalaselwa |
Uqoqosho olusebenzayo nolusebenzayo olusekwe |
| Ukufakelwa kwentambo okanye intambo |
Vavanya i-DOTP |
Iimpawu zombane eziluncedo kunye nokuhlala ixesha elide |
| Ukuguquguquka okuphantsi okanye ukugcinwa kokuthamba ixesha elide |
Vavanya i-DOTP |
Ihlala ikhethwa ukunciphisa umzimba kwaye igcinwe kakuhle |
| Ukuphucula ukufuduka okanye ukumelana nokukhupha |
Vavanya i-DOTP, uze uvavanye |
Ukusebenza kuxhomekeke kwizinto zoqhagamshelwano kunye neemeko |
| Iinkcukacha zokuthenga ezingasebenzisi i-orthophthalate |
Vavanya i-DOTP |
I-DOTP isekelwe kwi-terephthalate kunokuba isekelwe kwi-orthophthalate |
| Unxibelelwano lokutya, izinto zokudlala, ukhathalelo lwabantwana okanye iimveliso zonyango |
Khetha kuphela emva kohlolo lwemithetho |
Inqaku elithile eligqityiweyo neligqityiweyo kufuneka lihlangabezane nemithetho efanelekileyo kunye neemvavanyo |
Ngaphambi kokukhetha, chaza injongo yoBulukhuni beShore, umgangatho we-resin, ukulayisha kweplastiki, indlela yokucubungula, uluhlu lobushushu benkonzo, umda wokuguga kobushushu, umda wokufuduka okanye wokukhupha, imfuneko yombane, injongo yevumba, ubomi obulindelekileyo, imakethi yendawo oya kuyo kunye neendleko zizonke zokwenziwa.
Indlela yokutshintsha i-DOP nge-DOTP kwifomyula ye-PVC
I-DOTP ingathatha indawo ye-DOP kwiimveliso ezininzi ze-PVC eziguquguqukayo, kodwa ukutshintshwa kwesikali semveliso kufuneka kulandele uvavanyo olulawulwayo endaweni yokutshintshana okucingelwayo komntu omnye komnye.
Chaza isiseko: bhala phantsi idosi ye-DOP yangoku, ubulukhuni be-Shore, amandla okutsalwa, ubude, ukuziphatha kwe-fusion, i-viscosity kunye ne-processing window.
Yenza uvavanyo lwelebhu: qala kufutshane nenqanaba le-phr yangoku, uze ulungise umthwalo we-DOTP ukuze ufikelele kubulukhuni obujoliswe kubo kunye neempawu zoomatshini.
Jonga indlela yokucubungula: linganisa indlela yokusebenza komxube owomileyo, ixesha lokudibanisa, i-torque, uxinzelelo lwe-extrusion, impendulo ye-calendar okanye i-plastisol viscosity njengoko kufanelekile.
Vavanya ukusebenza kokusetyenziswa kokugqibela: thelekisa ukwaluphala kobushushu, ukwehla kobunzima, ukuguquguquka kobushushu, ukufuduka, ukukhupha, ukufiphala, ukumelana nombane kunye nevumba ngokuchasene nenkcazo yemveliso.
Hlola ukuthobela imithetho: qinisekisa umgangatho we-DOTP, zonke ezinye izongezo kunye nenqaku eligqityiweyo ngokuthelekisa neemfuno zendawo ekuyiwa kuyo.
Qinisekisa kumgca wemveliso: gcwalisa umlinganiselo olawulwayo ngaphambi kokuba utshintshe indlela yorhwebo.
Izinto eziqwalaselwayo kuKhuseleko kunye noLawulo lwe-DOP kunye ne-DOTP
I-DEHP, into edla ngokuthengiswa njenge-DOP, ivela kuLuhlu lwaBagqatswa be-European Chemicals Agency kunye noLuhlu lweMvume ngenxa yobuthi bokuzala kunye neempawu zokuphazamisa i-endocrine. Ikwagutyungelwe yimida kwiindidi ezithile zemveliso ze-EU. I-EU RoHS Directive ithintela i-DEHP kwizixhobo ezifanayo ezisetyenziswa kwizixhobo zombane neze-elektroniki, kuxhomekeke kububanzi kunye nokukhululwa.
E-United States, iKhomishini yoKhuseleko lweMveliso yaBathengi iyawalela amathoyizi abantwana kunye nezinto zokunyamekela abantwana eziqulethe ngaphezulu kwe-0.1% ye-DEHP kwicandelo leplastiki elifikelelekayo. Amanye amazwe kunye neendidi zemveliso zisebenzisa imida eyahlukeneyo, ukukhululwa, amaxwebhu kunye nemithetho yovavanyo.
I-DOTP inobume obahlukileyo beekhemikhali kunye neprofayili yomthetho, kodwa ukusebenzisa i-DOTP akwenzi ngokuzenzekelayo imveliso egqityiweyo ibe 'ikhuselekileyo,' 'udidi lokutya,' 'udidi lwezonyango,' 'ikhuselekile kwiithoyi,' 'ingena-phthalate,' 'ithobela i-REACH' okanye 'ithobela i-RoHS.' Ezo zibango zifuna ubungqina bodidi oluthile lwezinto, iphakheji epheleleyo yokongeza, iimeko zokuvezwa, into egqityiweyo kunye nemarike.
Amaxwebhu abathengi abafanele bawacele: iphepha ledatha yokhuseleko (i-SDS), iphepha ledatha yobuchwephesha (i-TDS), isatifikethi sohlalutyo (i-COA), ubuwena obuchanekileyo beekhemikhali kunye nenombolo ye-CAS, ukuchazwa kokwakheka okanye izinto ezithintelweyo, kunye namaxwebhu okuthobela isicelo esithile. Ukusetyenziswa okunobuzaza kunokufuna ukufuduka komntu wesithathu, uvavanyo lweekhemikhali okanye imveliso egqityiweyo.
Iingxelo Ezigunyazisiweyo
Imibuzo Ebuzwa Rhoqo Malunga ne-DOP kunye ne-DOTP
Yintoni umahluko phakathi kwe-DOP kunye ne-DOTP?
I-DOP idla ngokuba yi-DEHP, i-orthophthalate plasticizer. I-DOTP yi-DEHT, i-terephthalate plasticizer. I-DOP ixatyiswa ngenxa yokusebenza kakuhle kwe-plasticization kunye neendleko ezisetyenzisiweyo, ngelixa i-DOTP idla ngokukhethwa ngenxa yokuguquguquka okuncinci, ukuphuculwa kokuhlala ixesha elide, ukumelana nokufuduka, iimpawu zombane kunye nokubekwa kwe-non-orthophthalate.
Ngaba i-DOP kunye ne-DEHP zizinto ezifanayo?
Kwindlela eqhelekileyo yokusetyenziswa kwezorhwebo, i-DOP idla ngokubhekisa kwi-DEHP, okanye i-bis(2-ethylhexyl) phthalate, i-CAS 117-81-7. Ngenxa yokuba izifinyezo zinokungangqinelani, qinisekisa igama elipheleleyo lekhemikhali kunye nenombolo ye-CAS ngaphambi kokuba uthenge.
Ngaba i-DOTP kunye ne-DEHT zizinto ezifanayo zeplastiki?
Ewe. I-DOTP kunye ne-DEHT ngamagama aqhelekileyo e-bis(2-ethylhexyl) terephthalate, i-CAS 6422-86-2. I-DEHT ichonga isakhiwo se-2-ethylhexyl terephthalate ngokuchanekileyo.
Ingaba i-DOTP yiplastiki engena-phthalate?
I-DOTP idla ngokuthengiswa njenge-non-phthalate kuba ayisiyo-orthophthalate efana ne-DEHP. 'I-non-orthophthalate plasticizer' yinkcazo echanekileyo ngakumbi ngokweekhemikhali. Naliphi na ibango elingena-phthalate kwimveliso egqityiweyo kufuneka lixhaswe yinkcazo echaziweyo kunye nendlela yovavanyo.
Ngaba i-DOTP ikhuselekile kune-DOP?
I-DOTP ikhethwa kakhulu njengenye indlela kuba i-DEHP iphantsi kwemiqathango emikhulu yomthetho. Nangona kunjalo, ukhuseleko luxhomekeke kwingozi, ukuvezwa, ubumsulwa, umthamo kunye nokusetyenziswa okucetywayo. Akukho plasticizer ekufuneka ichazwe njengekhuselekileyo kwihlabathi liphela ngaphandle kobungqina bokusetyenziswa kwayo.
Ngaba i-DOTP ingawuthatha indawo ye-DOP ngokuthe ngqo?
I-DOTP ingathatha indawo ye-DOP kwiifomyula ezininzi ze-PVC eziguquguqukayo, kodwa ukutshintshwa kwe-one to one akuqinisekisiwe. Umlinganiselo, iziqinisi, izizalisi, ubushushu bokucubungula kunye nexesha lokudibanisa kunokufuna ukulungiswa. Gqibezela uvavanyo lwelabhoratri kunye nemveliso ngaphambi kokutshintshwa ngokupheleleyo.
Ngaba i-DOTP inika ukumelana nobushushu okungcono kune-DOP?
I-DOTP idla ngokukhethwa ngenxa yokuguquguquka okuphantsi kunye nokusebenza ngcono kokuguga kobushushu, kodwa i-PVC compound epheleleyo imisela iziphumo zokugqibela. Qinisekisa ukusebenza ngovavanyo lokunciphisa ubunzima, ukugcinwa kokuxinana, ukugcinwa kokunwebeka kunye novavanyo lokuguga oluhambelana nesicelo.
Ngaba i-DOTP ifanelekile ekugqumeni ucingo kunye neentambo?
I-DOTP isetyenziswa kakhulu kwiikhompawundi zentambo kunye neentambo ze-PVC eziguquguqukayo kuba inokubonelela ngokhuseleko oluluncedo lombane, ukuguquguquka kunye nokuhlala ixesha elide. Ikhompawundi egqityiweyo kufuneka isahlangabezane nomgangatho wentambo ofunekayo, umlinganiselo wobushushu, uvavanyo lombane, uvavanyo lokwaluphala kunye neemfuno zomlilo.
Ngaba i-DOTP ifanelekile kwi-PVC enxibelelana nokutya?
Ukufaneleka akuzenzekeli. Udidi oluthile lwe-DOTP kunye nenqaku eligqityiweyo kufuneka lihlangabezane noluhlu olufanelekileyo olufanelekileyo, imida yokwakheka, imida yokufuduka, iintlobo zokutya, ixesha lokudibana kunye neemeko zobushushu kwimarike yendawo ekuyiwa kuyo.
Ngaba i-DOP ingasetyenziswa kwiimveliso zonyango?
I-PVC eyenziwe ngeplastiki ye-DEHP ineentsingiselo zonyango zakudala, kodwa ezo mpawu zinokubandakanya uvavanyo lomngcipheko, ukulebhelisha, ukuvezwa kunye neemfuno zomthetho. I-DOP yenjongo ngokubanzi akufuneki ithengiswe njengomgangatho wezonyango ngaphandle kwamaxwebhu ezinto ezichanekileyo, isixhobo kunye nemarike.
Ngawaphi amaxwebhu abathengi abafanele bawacele kumthengisi weplastiki?
Cela i-SDS, i-TDS, i-COA, igama lekhemikhali, inombolo ye-CAS, iinkcukacha zococeko kunye nezibhengezo zomthetho ezifanelekileyo. Kwizinto ezisetyenziswayo ezinobuzaza, cela iingxelo zovavanyo lwemveliso enomda, ukufuduka okanye imveliso egqityiweyo ezihambelana nemarike yendawo ekuyiwa kuyo.
Isiphelo: Yeyiphi iPlasticizer ofanele uyikhethe?
I-DOP kunye ne-DOTP zinokwenza i-PVC eguquguqukayo ibe yiplastiki ngokufanelekileyo, kodwa zisombulula izinto ezahlukeneyo eziza kuqala xa uthenga kwaye usebenza. I-DOP isenokusebenza kwiimveliso zoshishino ezivumelekileyo nezixabisa kancinci. I-DOTP idla ngokuba yeyona inamandla xa kufuneka ihlale ihleli, ukusebenza kombane, ukumelana nokufuduka, ubomi benkonzo okanye iinkcukacha ze-non-orthophthalate zibalulekile.
Olona khetho lufanelekileyo luxhomekeke kubunzima ekujoliswe kubo, inkqubo, ubushushu benkonzo, indawo yokukhupha, ubomi bonke, imakethi yendawo ekuyiwa kuyo kunye novavanyo olufunekayo. Hlaziya amaxwebhu obuchwephesha kwaye uqinisekise i-PVC compound epheleleyo ngaphambi kokuba yenziwe kwintengiso.
Ukuze ufumane uncedo ekukhetheni iphepha le-PVC okanye ifilimu ye-PVC eguquguqukayo, Nxibelelana neHSQY Plastic ngohlobo lwemveliso yakho, ubukhulu, ubukhulu, ukuguquguquka, indlela yokucubungula, ubushushu benkonzo, imakethi yendawo oya kuyo kunye neemfuno zokuthobela imithetho.
