Gabatarwa Taƙaitaccen Bayani Game da DOP da DOTP

Masu amfani da filastik na DOP da DOTP: Menene Babban Bambancin?

DOP da DOTP su ne na'urorin filastik na gama gari da ake amfani da su don sanya PVC ta yi laushi, ta fi sassauƙa, kuma ta fi sauƙin sarrafawa. Babban bambanci shine tsarin kwayoyin halittarsu: DOP, wanda yawanci ake kira DEHP, orthophthalate ne, yayin da DOTP, wanda kuma ake kira DEHT, terephthalate ne kuma galibi ana zaɓarsa azaman madadin da ba na orthophthalate ba.

DOP da DOTP a takaice

DOP da DOTP suna da tsari iri ɗaya na kwayoyin halitta da kuma nauyin kwayoyin halitta iri ɗaya, amma isomers ne na matsayi. A cikin DOP, ƙungiyoyin ester guda biyu suna maƙwabtaka da zoben aromatic. A cikin DOTP, suna gaba da juna. Wannan bambancin tsarin yana tasiri ga canjin yanayi, ƙaura, halayen lantarki, maganin ƙa'idoji da aiki na dogon lokaci a cikin PVC mai sassauƙa.

Bayanin Suna: A kasuwannin PVC na kasuwanci, 'DOP' yawanci yana nufin DEHP tare da CAS 117-81-7. Bai kamata a rikita shi da di-n-octyl phthalate, ko DNOP ba, wanda wani abu ne daban. Ya kamata masu siye su tabbatar da sunan sinadarai da lambar CAS a kan takardar bayanai ta aminci.

Ta Yaya Masu Sanyaya Kayan Lantarki Ke Aiki A Cikin PVC?

PVC mara filastik yana da tauri ta halitta. Mai hana filastik yana shiga tsakanin sarƙoƙin polymer na PVC kuma yana rage ƙarfin da ke riƙe waɗannan sarƙoƙi tare. Sannan sarƙoƙin za su iya motsawa cikin sauƙi, wanda ke rage tauri da ƙara sassauci, tsawaitawa da kuma iya sarrafawa. Sakamakon ƙarshe ya dogara ne da resin PVC, loda plasticizer, masu daidaita abubuwa, cikawa, pigments, hanyar sarrafawa da yanayin sabis.

Menene DOP Plasticizer?

DOP sunan gargajiya ne na masana'antar bis(2-ethylhexyl) phthalate, wanda aka fi sani da DEHP. Yana da dogon tarihi a matsayin mai amfani da filastik na PVC na gama gari saboda yana ba da laushi mai inganci, dacewa mai faɗi, ɗabi'ar sarrafawa da kuma farashin gasa.

Dangane da ƙa'idodin gida da kuma ƙayyadaddun kayan da aka gama, an yi amfani da DOP a cikin fim ɗin PVC na masana'antu, fata ta wucin gadi, yadi mai rufi, bene, bututu, hatimi, gaskets, kayan takalma da kuma wasu abubuwan haɗin kebul. Dole ne a duba matsayinsa a hankali kafin a ƙayyade shi don samfuran da suka shafi fallasa ga ɗan adam.

Menene DOTP Plasticizer?

DOTP tana nufin dioctyl terephthalate kuma ana kiranta da DEHT ko bis(2-ethylhexyl) terephthalate. Ruwa ne mai haske, mai ƙarancin wari wanda ake amfani da shi musamman a cikin PVC mai sassauƙa. Domin kuwa terephthalate ne maimakon orthophthalate, 'mai amfani da plasticizer mara orthophthalate' shine mafi daidaitaccen bayanin fasaha.

Sau da yawa ana kimanta DOTP a matsayin madadin DOP lokacin da mai ƙera ya buƙaci kyakkyawan jituwa da PVC tare da ƙarancin canjin yanayi, ingantaccen dorewa, juriya ga ƙaura ko cirewa, kaddarorin lantarki masu amfani da kuma bayanin tsari daban.

Kwatanta Aikin DOP da DOTP

Waɗannan kwatancen masana'antu ne na gabaɗaya, ba lamuni mai garanti ba. Maki na kasuwanci ya bambanta dangane da tsarki da masana'anta, yayin da aikin gama-gari ke canzawa tare da nau'in resin, loda filastik, cikawa, masu daidaita abubuwa da yanayin gwaji. Yi amfani da bayanan fasaha na mai samar da kayayyaki da gwaje-gwajen aikace-aikace don yanke shawara ta ƙarshe.

1. Tsarin Kwayoyin Halitta

DOP isomer ne na ortho: ƙungiyoyin ester ɗinsa suna zaune kusa da juna a kan zoben aromatic. DOTP para isomer ne: ƙungiyoyin suna fuskantar juna. Wannan shine dalilin da ya sa sinadarai biyu masu tsari iri ɗaya za su iya yin aiki daban-daban a cikin mahaɗin PVC kuma ana iya magance su ta hanyoyi daban-daban ta hanyar ƙa'idodi.

2. Ingantaccen Tsarin Roba da Sarrafawa

An san DOP da ingantaccen laushi da sarrafawa mai yiwuwa. DOTP na iya cimma irin wannan tauri da aikin injiniya a cikin tsari da yawa, amma bai kamata a ɗauke shi a matsayin maye gurbin atomatik ɗaya-da-ɗaya ba. Halayyar haɗuwa, danko da hulɗa da masu cikawa ko masu haɗa filastik na biyu na iya canzawa.

3. Sauyawa da Na Dorewa na Dogon Lokaci

Asarar filastik na iya ƙara wari ko ƙuraje kuma yana iya sa PVC mai sassauƙa ta yi wahala ko ta yi rauni akan lokaci. Sau da yawa ana zaɓar DOTP lokacin da ƙarancin canjin yanayi da ingantaccen riƙe filastik na dogon lokaci suna da mahimmanci. Tabbatar da da'awar ta amfani da gwaje-gwajen tsufa da rage nauyi waɗanda suka dace da zafin sabis ɗin da aka yi niyya.

4. Juriyar Hijira da Cirewa

Kauracewa na iya haifar da toshewar saman, tabo, matsalolin canja wurin bugawa ko rashin sassauci. Cirewar na iya faruwa lokacin da PVC ta taɓa ruwa, sabulun wanki, mai, mai ko abubuwan narkewa. Ana yawan la'akari da DOTP lokacin da ake buƙatar juriya mai kyau, amma zafin jiki, lokacin hulɗa, yawan robobi da kayan da ke kusa duk suna shafar sakamakon.

5. Ayyukan Zafi da Sanyi

Dukansu na'urorin filastik za su iya tallafawa aikin zafin jiki mai amfani a cikin PVC mai sassauƙa. Ana yawan kimanta DOTP inda tsufar zafi, ƙarancin nauyi da sassauci na dogon lokaci sune manyan abubuwan da suka fi muhimmanci. Ga sanyi mai tsanani, masu tsarawa na iya haɗa babban na'urar filastik tare da adipate ko sebacate. Don buƙatar sabis na kebul mai zafi mai yawa, ƙaramin trimelitate mai ƙarancin canzawa na iya zama mafi dacewa.

6. Rufe Wutar Lantarki

Ana kimanta DOTP sosai don wayar PVC mai sassauƙa da mahaɗan kebul saboda haɗinsa na rufin lantarki, sassauci da dorewa. Dole ne mahaɗin da aka gama ya wuce buƙatun da suka dace don juriyar girma, ƙarfin dielectric, tsufa na zafi, riƙewa da ƙarfi, riƙewa mai tsawo da aikin harshen wuta.

7. Farashi da Jimillar Darajar

Farashin robobi yana tafiya ne ta hanyar amfani da kayan abinci, yanki, yawan oda da kuma dabaru, don haka farashin DOP-to-DOTP mai tsayayye ba shi da tabbas. Kwatanta jimlar farashin tsari, sarrafa yawan amfanin ƙasa, haɗarin gazawa, tsawon lokacin samfur, buƙatun gwaji da damar kasuwa maimakon farashi a kowace tan kawai.

Aikace-aikacen DOP vs DOTP

Fim da Takarda Mai Sauƙi na PVC

Masu amfani da filastik suna sarrafa laushi, tsayi, juriya da kuma yanayin zafi mai sauƙi a cikin fim ɗin PVC mai sassauƙa. Ana iya amfani da DOP a cikin aikace-aikacen masana'antu gabaɗaya da aka yarda, yayin da ake ƙara kimanta DOTP don fina-finan da ke buƙatar ingantaccen matsayi na dindindin ko wanda ba na orthophthalate ba. Kayayyakin HSQY Fim ɗin PVC mai laushi don bugawa, bene, labule, kariya da amfani da masana'antu.

Waya da Kebul

Masu tsara kebul suna kwatanta juriyar girma, tsufar zafi, sassaucin ƙarancin zafin jiki, canjin yanayi, dacewa da hana harshen wuta da kuma iya sarrafawa. DOTP zaɓi ne gama gari ga mahaɗan kebul masu sassauƙa, yayin da ake iya buƙatar ƙwararrun masu yin filastik don ƙimar zafi mafi girma ko yanayi mafi tsanani.

Fata ta wucin gadi da kuma masaku masu rufi

Zaɓin mai amfani da filastik yana shafar ɗanko na shafi, haɗuwa, jin saman, embossing, juriya ga fashewar sanyi, hazo da tsufa. Ana iya kimanta DOTP inda masana'anta ke buƙatar ƙarancin ƙaura, riƙe laushi mai tsawo ko rage yawan abubuwan orthophthalate.

Rufin Bene da Bango

Bene na PVC yana buƙatar daidaiton haɗuwa, sassauci, kwanciyar hankali, aikin sawa, manufofin fitar da hayaki a cikin gida da kuma farashi. Ana la'akari da DOTP sosai a cikin tsarin bene na zamani, musamman lokacin da ƙayyadaddun ƙa'idodi marasa orthophthalate ko buƙatun siyan ƙarancin hayaki suka shafi.

Bututu, Hatimi, Gaskets da Plastisols

Ga bututun ruwa, hatimi, gaskets, rufin tsoma, hatimin ruwa da plastisols, zaɓin ya dogara ne akan danko, haɗuwa, saitin matsi, ƙaura da juriya ga ruwa ko saman hulɗa da aka yi niyya. Gwaje-gwajen cirewa na musamman na aikace-aikace sun fi aminci fiye da da'awar gabaɗaya cewa mai plasticizer ɗaya koyaushe ya fi kyau.

Takardar PVC Mai Tauri

PVC mai tauri yawanci yana ɗauke da ƙaramin filastik ko babu babban filastik saboda ana buƙatar tauri da kwanciyar hankali. Takardar PVC mai tauri yakamata ta tabbatar ko samfurin ba a yi masa filastik ba, an yi masa gyare-gyare kaɗan ko kuma an ƙera shi don amfani mai sassauƙa.

Yadda Ake Zaɓa Tsakanin DOP da DOTP

Zaɓin da ya dace ya dogara ne da takamaiman samfurin, ba sunan mai yin filastik kaɗai ba. Yi amfani da jagorar yanke shawara mai zuwa a matsayin wurin farawa.

Kafin ka zaɓi, ƙayyade taurin da ake buƙata a kan Shore, matakin resin, loda plasticizer, hanyar sarrafawa, kewayon zafin aiki, iyakar tsufa da zafi, ƙaura ko cirewa, buƙatar wutar lantarki, maƙasudin wari, tsawon lokacin da ake tsammani, kasuwar da aka nufa da kuma jimlar farashin tsari.

Yadda Ake Sauya DOP da DOTP a Tsarin PVC

DOTP na iya maye gurbin DOP a cikin samfuran PVC masu sassauƙa da yawa, amma maye gurbin sikelin samarwa ya kamata ya biyo bayan gwaji mai sarrafawa maimakon musanya ɗaya-da-ɗaya.

1. Bayyana tushen: yi rikodin adadin DOP na yanzu, taurin bakin teku, ƙarfin tensile, tsayi, halayen haɗuwa, danko da taga sarrafawa.

2. Gudanar da gwajin dakin gwaje-gwaje: fara kusa da matakin phr na yanzu, sannan daidaita nauyin DOTP don isa ga taurin da aka yi niyya da halayen injiniya.

3. Duba yadda ake sarrafawa: auna yanayin haɗin busasshiyar, lokacin haɗuwa, ƙarfin juyi, matsin lamba na fitarwa, amsawar calendering ko dankowar plastisol kamar yadda ya dace.

4. Gwada aikin amfani da ƙarshen amfani: kwatanta tsufan zafi, rage nauyi, sassaucin sanyi, ƙaura, cirewa, hazo, juriyar lantarki da wari idan aka kwatanta da ƙayyadaddun samfurin.

5. Bitar bin ƙa'idodi: tabbatar da ma'aunin DOTP, duk wani ƙari da kuma kayan da aka gama bisa ga buƙatun kasuwar da aka nufa.

6. Tabbatar a layin samarwa: kammala sikelin da aka tsara kafin a canza tsarin kasuwanci.

La'akari da Tsaro da Dokokin DOP da DOTP

DEHP, sinadarin da aka saba sayarwa a matsayin DOP, ya bayyana a cikin Jerin 'Yan takarar Hukumar Sinadarai ta Turai da Jerin Izini saboda gubar haihuwa da kuma abubuwan da ke kawo cikas ga tsarin endocrine. Hakanan an rufe shi da ƙuntatawa a cikin takamaiman nau'ikan samfuran EU. Umarnin EU RoHS yana iyakance DEHP a cikin kayan da aka yi amfani da su a cikin kayan lantarki da na lantarki, dangane da iyaka da keɓancewa.

A Amurka, Hukumar Tsaron Kayayyakin Masu Amfani ta haramta kayan wasan yara da kayan kula da yara da ke ɗauke da fiye da 0.1% DEHP a cikin wani abu da aka yi da filastik. Sauran ƙasashe da nau'ikan samfura suna amfani da ƙa'idodi daban-daban, keɓancewa, takardu da ƙa'idojin gwaji.

DOTP tana da wani nau'in sinadarai daban da kuma bayanin tsare-tsare, amma amfani da DOTP ba ya sa samfurin da aka gama ya zama 'mai aminci,' 'matsayin abinci,' 'matsayin likita,' 'mai aminci ga kayan wasa,' 'ba tare da phthalate ba,' 'mai bin REACH' ko 'mai bin umarnin RoHS.' Waɗannan da'awar suna buƙatar shaida don takamaiman ma'aunin kayan, cikakken fakitin ƙari, yanayin fallasa, kayan da aka gama da kasuwa.

Nassoshi Masu Iko

• PubChem: Di(2-ethylhexyl) phthalate (DEHP)

• ECHA: Bis(2-ethylhexyl) terephthalate (DOTP/DEHT)

• Jerin 'Yan Takarar ECHA: Bis(2-ethylhexyl) phthalate (DEHP)

• EUR-Lex: Umarnin Wakiltar RoHS (EU) 2015/863

• US CPSC: Bukatun Phthalates da Tambayoyi da Amsoshi

Tambayoyi da Ake Yawan Yi Game da DOP da DOTP

Mene ne bambanci tsakanin DOP da DOTP?

DOP yawanci DEHP ne, wani nau'in roba mai siffar orthophthalate. DOTP shine DEHT, wani nau'in roba mai siffar terephthalate. Ana darajar DOP saboda ingantaccen robobi da farashi, yayin da ake zaɓar DOTP sau da yawa don ƙarancin canjin yanayi, ingantaccen dorewa, juriya ga ƙaura, halayen lantarki da kuma matsayin da ba na orthophthalate ba.

Shin DOP da DEHP abu ɗaya ne?

A cikin amfani na yau da kullun na kasuwanci, DOP yawanci yana nufin DEHP, ko bis(2-ethylhexyl) phthalate, CAS 117-81-7. Saboda gajerun kalmomi na iya zama marasa daidaito, tabbatar da cikakken sunan sinadarai da lambar CAS kafin siya.

Shin DOTP da DEHT iri ɗaya ne da na'urar plasticizer?

Eh. DOTP da DEHT sunaye ne da aka saba amfani da su don bis(2-ethylhexyl) terephthalate, CAS 6422-86-2. DEHT ta gano tsarin 2-ethylhexyl terephthalate daidai gwargwado.

Shin DOTP ba shi da filastik mai hana phthalate?

Gabaɗaya ana tallata DOTP a matsayin wanda ba shi da phthalate saboda ba shi da orthophthalate kamar DEHP. 'Mai yin plasticizer mara orthophthalate' shine bayanin da ya fi dacewa da sinadarai. Duk wani da'awa mara phthalate don samfurin da aka gama ya kamata a tallafa masa ta hanyar takamaiman takamaiman bayani da hanyar gwaji.

Shin DOTP ya fi DOP aminci?

Ana zaɓar DOTP sosai a matsayin madadin saboda DEHP yana ƙarƙashin ƙa'idodi masu yawa na doka. Duk da haka, aminci ya dogara ne akan haɗari, fallasa, tsarki, yawan amfani da aka yi da kuma yadda aka yi amfani da shi. Bai kamata a bayyana cewa babu wani mai amfani da filastik a matsayin mai aminci ga kowa ba tare da shaidar takamaiman amfani ba.

Shin DOTP zai iya maye gurbin DOP kai tsaye?

DOTP na iya maye gurbin DOP a cikin nau'ikan PVC masu sassauƙa da yawa, amma ba a tabbatar da maye gurbin ɗaya-da-ɗaya ba. Yawan amfani, masu daidaita, cikawa, zafin sarrafawa da lokacin haɗuwa na iya buƙatar daidaitawa. Kammala gwaje-gwajen dakin gwaje-gwaje da samarwa kafin a maye gurbin cikakken sikelin.

Shin DOTP yana ba da juriya mai kyau ga zafi fiye da DOP?

Sau da yawa ana zaɓar DOTP don ƙarancin canjin yanayi da ingantaccen aikin tsufa da zafi, amma cikakken mahaɗin PVC yana ƙayyade sakamakon ƙarshe. Tabbatar da aiki ta hanyar gwaje-gwajen rage nauyi, riƙewa da ƙarfi, riƙewa da tsayi da kuma gwaje-gwajen tsufa na musamman don aikace-aikace.

Shin DOTP ya dace da rufin waya da kebul?

Ana amfani da DOTP a cikin waya mai sassauƙa da mahaɗan kebul na PVC saboda yana iya samar da rufin lantarki mai amfani, sassauci da dorewa. Dole ne mahaɗin da aka gama ya cika ƙa'idar kebul da ake buƙata, ƙimar zafin jiki, gwaje-gwajen lantarki, gwaje-gwajen tsufa da buƙatun harshen wuta.

Shin DOTP ya dace da PVC mai hulɗa da abinci?

Dacewa ba ta atomatik ba ce. Takamaiman matakin DOTP da kuma kayan da aka gama dole ne su cika jerin abubuwan da suka dace, iyakokin abun da aka haɗa, iyakokin ƙaura, nau'in abinci, lokacin hulɗa da yanayin zafin jiki a kasuwar da za a je.

Za a iya amfani da DOP a cikin samfuran likita?

PVC mai filastik na DEHP yana da amfani na tarihi a fannin likitanci, amma waɗannan amfani na iya haɗawa da kimanta haɗari, lakabi, fallasawa da buƙatun ƙa'idoji. Bai kamata a tallata DOP na gabaɗaya a matsayin matakin likita ba tare da takaddun takaddun kayan aiki, na'ura da kasuwa ba.

Waɗanne takardu ya kamata masu siye su nema daga mai samar da filastik?

Nemi SDS, TDS, COA, sunan sinadarai, lambar CAS, ƙayyadadden tsarki da kuma sanarwar ƙa'idoji masu dacewa. Don amfani mai mahimmanci, nemi rahotannin gwajin da aka ƙayyade na ɓangare na uku, ƙaura ko samfuran da aka gama waɗanda suka dace da kasuwar da aka nufa.

Kammalawa: Wanne mai amfani da filastik ya kamata ka zaɓa?

DOP da DOTP duka suna iya yin robobi masu sassauƙa ta hanyar amfani da PVC mai laushi, amma suna magance fifiko daban-daban na siye da aiki. DOP na iya ci gaba da aiki ga samfuran masana'antu da aka yarda da su, masu sauƙin tsada. DOTP galibi shine mafi ƙarfin zaɓi na farawa lokacin da dorewa, aikin lantarki, juriyar ƙaura, tsawon sabis ko ƙayyadaddun kayan aikin da ba na orthophthalate ba ke da mahimmanci.

Mafi kyawun zaɓi ya dogara ne da taurin da aka yi niyya, tsari, zafin sabis, yanayin fitar da kaya, tsawon rayuwa, kasuwar da ake nufi da kuma gwajin da ake buƙata. Duba takardun fasaha kuma tabbatar da cikakken haɗin PVC kafin a samar da shi a kasuwa.

Domin neman taimako wajen zaɓar takardar PVC ko fim ɗin PVC mai sassauƙa, Tuntuɓi HSQY Plastics tare da nau'in samfurin ku, kauri, girma, sassauci, hanyar sarrafawa, zafin sabis, kasuwar da za a je da kuma buƙatun bin ƙa'idodi.