Maonero: 290 Munyori: Mupepeti weSaiti Nguva yekubudisa: 2022-03-08 Kwakatangira: Nzvimbo
DOP neDOTP zvinhu zvepurasitiki zvinoshandiswa pakugadzira PVC zvakapfava, zvinochinjika uye zviri nyore kugadzirisa. Musiyano mukuru ndewemaumbirwo azvo emamorekuru: DOP, inowanzoreva DEHP, i orthophthalate, nepo DOTP, inonziwo DEHT, iri terephthalate uye inowanzo sarudzwa seimwe nzira isiri orthophthalate.
Mhinduro pfupi: Sarudza DOP yekushandiswa kwemuchina PVC unonyanya kudhura uye unonyanya kudhura chete kana kushandiswa kwayo kuchibvumidzwa. Ongorora DOTP kana paine kusimba kwakaderera, kugara kwepurasitiki kuri nani, kuramba kufamba, kuputira magetsi kana kuisa zvinhu zvisina orthophthalate panzvimbo. Hapana chinhu chakakodzera otomatiki matoyi, kusangana nechikafu kana kushandiswa kwekurapa; kutevedzera zvinodiwa zvinoenderana negiredhi chaiyo, fomura yakazara, chinhu chakapedzwa uye musika wekuenda.
| Kuzivikanwa | DOP / DEHP | DOTP / DEHT |
|---|---|---|
| Zita remakemikari rinozivikanwa | Bis(2-ethylhexyl) phthalate | Bis(2-ethylhexyl) terephthalate |
| Zvidimbu zvakajairika | DOP, DEHP | DOTP, DEHT |
| Nhamba yeCAS | 117-81-7 | 6422-86-2 |
| Fomura yemamorekuru | C 24H 38O4 | C 24H 38O4 |
| Mhuri yezvivakwa | Orthophthalate ester | Terephthalate ester |
| Basa guru | Chinhu chinoshandiswa zvakanyanya pakugadzira purasitiki PVC | Chinhu chinoshandiswa zvakanyanya pakugadzira purasitiki chisina orthophthalate PVC |
DOP neDOTP dzine fomura imwe chete yemamorekuru uye huremu hwakafanana hwemamorekuru, asi imasomers enzvimbo. MuDOP, mapoka maviri eester ari pedyo nering yearomatic. MuDOTP, akatarisana. Musiyano uyu wechimiro unokanganisa kusagadzikana, kufamba, maitiro emagetsi, kurapwa kwemutemo uye kushanda kwenguva refu mu flexible PVC .
Chinyorwa chemazita: Mumisika yekutengeserana PVC , 'DOP' inowanzoreva DEHP neCAS 117-81-7. Haifanirwe kuvhiringidzwa nedi-n-octyl phthalate, kana DNOP, inova chinhu chakasiyana. Vatengi vanofanira kugara vachisimbisa zita remakemikari nenhamba yeCAS padata rekuchengetedza zvinhu zvepepa .
Chisina purasitiki PVC chinogara chakasimba. Chinhu chinoisa purasitiki chinopinda pakati pe PVC cheni dzepolymer uye chinoderedza simba rinobata cheni idzodzo pamwe chete. Cheni idzi dzinogona kufamba zviri nyore, izvo zvinoderedza kuomarara uye zvinowedzera kuchinjika, kureba uye kugona kushandiswa. Mhedzisiro yekupedzisira inoenderana ne PVC resin, plasticizer loading, stabilizers, fillers, pigments, nzira yekugadzirisa uye mamiriro ebasa.
DOP izita rechinyakare rekuti bis(2-ethylhexyl) phthalate, rakapfupikiswa zvakanyanya DEHP. Rine nhoroondo refu senzira yepurasitiki PVC inoshanda zvakanyanya nekuti rinoita kuti purasitiki inyorove zvakanaka, rinoenderana zvakanyanya, rinoita kuti pave nemaitiro ekugadzira zvinhu uye rinodhura mari yakawanda.
Zvichienderana nemitemo yemuno uye zvinodiwa pakugadzirwa kwechinhu chakagadzirwa, DOP yakashandiswa mumafirimu eindasitiri PVC , dehwe rekugadzira, machira akaputirwa, pasi, mapombi, zvisimbiso, magasket, zvikamu zveshangu uye tambo dzakasarudzwa. Mamiriro ayo ekutonga anofanira kunyatsoongororwa isati yatsanangurwa kune zvigadzirwa zvine chekuita nevanhu zvakanyanya.
DOTP inomiririra dioctyl terephthalate uye inozivikanwawo seDEHT kana bis(2-ethylhexyl) terephthalate. Imvura yakajeka, isinganhuhwi zvakanyanya inoshandiswa zvakanyanya mu PVC inochinjika. Nekuti iterephthalate kwete orthophthalate, 'non-orthophthalate plasticizer' ndiyo tsananguro yakanyatsojeka yehunyanzvi.
DOTP inowanzo ongororwa senzira yekuchinja DOP kana mugadziri achida kushanda zvakanaka PVC pamwe chete nekushomeka kwesimba, kugara kwenguva refu kuri nani, kuramba kufamba kana kubviswa, hunhu hwemagetsi hunobatsira uye imwe nzira yekutonga.
| Kuenzanisa kweDOP | / DEHP | DOTP / DEHT |
|---|---|---|
| Kubudirira kwepurasitiki | Yakakwirira uye yakasimbiswa zvakanaka | Inofananidzwa mumhando dzakawanda; dosage ingada kugadziriswa |
| kugadzirisa PVC | Maitiro anozivikanwa ekubatanidza nekugadzirisa | Zvingada shanduko patembiricha, nguva yekubatanidza kana kuwedzera kwehuwandu |
| Kusagadzikana uye kugara kwenguva refu | Yakakodzera zvigadzirwa zvakawanda zvemaindasitiri | Kazhinji zvinofarirwa kuti zvisanyanya kusimba uye kuti purasitiki igare kwenguva refu. |
| Kudzivirira kutama uye kubviswa kwemvura | Zvinonyanya kutsamira pakugadzirwa uye nzira yekubatana | Kazhinji inosarudzwa kana paine kudiwa kwekudzivirira kutama kana kubviswa kwemvura. |
| Kushanda kwekukwegura kwekupisa | Zvakakwana kune akawanda mashandisirwo akajairwa | Kazhinji zvinoongororwa kuti kuderedza uremu kushoma uye kuramba uchichinjika kwenguva refu ndizvo zvinonyanya kukosheswa |
| Kuchinjika kwekupisa kwakaderera | Kushanda zvakanaka pachinangwa chakajairika | Kushanda zvakanaka pabasa rakajairika; kutonhora kwakanyanya kungada musanganiswa wepurasitiki |
| Mashandisirwo emagetsi | Kare yaishandiswa mumhando dzakasiyana dzetambo | Inowanzo shandiswa kudzivirira waya netambo nekuda kwekushanda zvakanaka kwemagetsi |
| Chinzvimbo chekutonga | DEHP inorambidzwa kana kuti inoenderana nezvinodiwa nemvumo mumisika yakawanda uye maapplication | Kazhinji inoshandiswa seimwe nzira, asi kutevedzera zvinodiwa nezvigadzirwa zvakapedzwa kunofanira kusimbiswa |
| Kutenga kwakajairika | Mutengo, kushanda zvakanaka uye kugadziriswa kwakasimbiswa | Kugara kwenguva refu, mashandiro emagetsi, hupenyu hwebasa uye nzvimbo isina orthophthalate |
Aya ndiwo kuenzanisa kwakajairika muindasitiri, kwete hunhu hwakavimbiswa. Magiredhi ekutengeserana anosiyana zvichienderana nekuchena uye mugadziri, nepo mashandiro emusanganiswa akapedzwa achichinja nerudzi rwe resin, plasticizer loading, fillers, stabilizers uye mamiriro ekuyedza. Shandisa data rehunyanzvi remutengesi uye miedzo yekushandisa kuti uwane sarudzo yekupedzisira.
DOP i ortho isomer: mapoka ayo eester anogara padivi peringi yearomatic. DOTP i para isomer: mapoka acho akaiswa akatarisana. Ndokusaka makemikari maviri ane fomura imwechete anogona kuita zvakasiyana mu PVC compound uye kubatwa zvakasiyana nemitemo.
DOP inozivikanwa nekunyorovesa zvinobudirira uye kugadzirisa zvinogoneka. DOTP inogona kuwana kuomarara kwakafanana uye kushanda kwemuchina mune akawanda mafomati, asi haifanirwe kutorwa senzira yekutsiva otomatiki. Maitiro ekubatanidza, viscosity uye kudyidzana nezvinozadza kana plasticizers zvechipiri zvinogona kuchinja.
Kurasikirwa nepurasitiki kunogona kuwedzera kunhuwa kana mhute uye kunogona kuita kuti PVC iome kana kuti inyanye kuputsika nekufamba kwenguva. DOTP inowanzo sarudzwa kana kusasimba kwakanyanya uye kuchengetedza purasitiki kwenguva refu kwakakosha. Simbisa chikumbiro chako nemiedzo yekucheneswa kwekupisa uye kuderedza uremu inoenderana netembiricha yakatarwa.
Kutama kunogona kukonzera kunamira pamusoro, kutsvedza, matambudziko ekudhinda kana kurasikirwa nekuchinjika. Kubviswa kunogona kuitika kana PVC yakabatana nemvura, sipo, mafuta, mafuta kana zvinonyungudutsa. DOTP inowanzo fungidzirwa kana paine kuramba kuri nani, asi tembiricha, nguva yekubatana, huwandu hwepurasitiki uye zvinhu zviri pedyo zvese zvinokanganisa mhedzisiro.
Mapurasitiki ese ari maviri anogona kutsigira kushanda zvakanaka kwekushisa mune zvinochinjika PVC . DOTP inowanzo ongororwa uko kukwegura kwekupisa, kudzikira kwehuremu hushoma uye kuchinjika kwenguva refu ndizvo zvinonyanya kukosheswa. Kana kuchitonhora zvakanyanya, maformulator anogona kusanganisa purasitiki yekutanga neadipate kana sebacate. Kune tambo dzinoda kushanda zvakanyanya, trimellitate yakaderera inogona kunge yakakodzera.
DOTP inoongororwa zvakanyanya kuti ionekwe sei kuti waya netambo zvinochinjika PVC zvinosanganiswa sei nekuda kwekusanganiswa kwayo kwekudzivirira magetsi, kuchinjika uye kugara kwenguva refu. Musanganiswa wapera unofanirwa kuramba uchikwanisa kuzadzisa zvinodiwa zvekudzivirira huwandu hwemagetsi, simba remagetsi, kukwegura kwekupisa, kuchengetedza simba, kuchengetedza kureba uye kushanda kwemurazvo.
Mitengo yepurasitiki inochinja zvichienderana nemidziyo, nzvimbo, huwandu hweodha uye mafambiro ebasa, saka mutengo wepamusoro weDOP-to-DOTP hauna kuvimbika. Enzanisa mutengo wekugadzira, goho rekugadzirisa, njodzi yekukundikana, hupenyu hwechigadzirwa, zvinodiwa pakuyedza uye mukana wekuwana musika pane mutengo patani chete.
Mapurasitiki anodzora kupfava, kureba, kutsungirira kupetwa uye maitiro ekupisa kushoma mufirimu inochinjika PVC . DOP inogona kushandiswa mumashandisirwo anotenderwa mumaindasitiri, nepo DOTP iri kuongororwa zvakanyanya pamafirimu anoda kugara kwenguva refu kana kuti kwete kugadzika orthophthalate. HSQY supplies Firimu rakapfava re PVC rekudhinda, pasi, maketeni, rekudzivirira uye rekushandiswa mumaindasitiri.
Vagadziri vetambo vanoenzanisa kuramba kwehuwandu, kukwegura kwekupisa, kuchinjika kwekupisa kushoma, kusagadzikana, kuenderana kusingadzoreki kwemoto uye kugona kushandiswa. DOTP inowanzo shandiswa pakugadzira tambo dzinochinjika, nepo plasticizers dzakakosha dzingadiwa pakupisa kwakanyanya kana munzvimbo dzakaoma.
Kusarudzwa kwepurasitiki kunokanganisa kunaka kwepurasitiki, kusanganiswa kwayo, kunzwa kwayo pamusoro, kushongedza kwayo, kuramba kutonhora, kusviba uye kukwegura. DOTP inogona kuongororwa kana mugadziri achida kufamba zvishoma, kugara kwenguva refu akapfava kana kuti kuderera kwehuwandu hwe orthophthalate.
PVC pasi rinoda kuenzana kwekubatana, kuchinjika, kugadzikana kwehukuru, kushanda kwekupfeka, zvinangwa zvekuburitsa utsi mukati uye mutengo. DOTP inonyanya kufungwa nezvayo mumhando dzemazuva ano dzepasi, kunyanya kana zvinodiwa zvekutenga utsi husina kusimba kana kuti hutsi hushoma zvichishanda.
Pamapayipi, zvisimbiso, magasket, madhipu ekudzikisa, masealant nemaplastisol, kusarudzwa kunoenderana nekusimba, kusanganiswa, kumanikidzwa, kufamba uye kuramba mvura kana nzvimbo yekubata. Kuyedzwa kwekubvisa kwakanangana nekushandisa kwakavimbika kupfuura kutaura kwakajairika kwekuti purasitiki imwe chete ndiyo iri nani nguva dzose.
Rigid PVC inowanzova nepurasitiki shoma kana kuti isina zvachose nekuti kuomarara uye kugadzikana kwehukuru zvinodiwa. rigid PVC zvinhu zvepepa inofanira kusimbisa kana chigadzirwa chisina kugadzirwa nepurasitiki, chakagadziriswa zvishoma kana kuti chakagadzirwa kuti chishandiswe nenzira inochinjika.
Sarudzo chaiyo inoenderana nezvinodiwa nechigadzirwa, kwete zita repurasitiki chete. Shandisa gwara rinotevera rekusarudza senzvimbo yekutanga.
| Zvinodiwa Nechigadzirwa | Sarudzo Yekutanga | Sei? |
|---|---|---|
| Indasitiri yezvemaindasitiri inokoshesa mutengo PVC uko DEHP inobvumidzwa | DOP inogona kutariswa | Kubudirira kwakasimbiswa uye hupfumi hwekugadzirisa |
| Kudzivirira waya kana tambo | Ongorora DOTP | Zvishandiso zvemagetsi zvinobatsira uye kugara kwenguva refu |
| Kusagadzikana kwakaderera kana kuchengetedza kupfava kwenguva refu | Ongorora DOTP | Kazhinji inosarudzwa kuti ideredze huremu uye irambe iri nani |
| Kuvandudzwa kwekudzivirira kufamba kana kubviswa kwemvura | Ongorora DOTP, wobva waedza | Kushanda kunoenderana nezvinhu zvekubata uye mamiriro ezvinhu |
| Tsanangudzo yekutenga isiri-orthophthalate | Ongorora DOTP | DOTP inoshandiswa pakurapa terephthalate kwete pakurapa orthophthalate |
| Kusangana nechikafu, matoyi, kuchengetwa kwevana kana zvigadzirwa zvekurapa | Sarudza chete mushure mekuongorora mitemo | Giredhi chaiyo uye chinyorwa chakapedzwa chinofanira kuzadzisa mitemo nemiedzo inoshanda |
Usati wasarudza, tsanangura chinangwa chako chekuomarara kweShore, resin grade, plasticizer loading, nzira yekugadzirisa, service-tembiricha range, muganho wekukwegura kwekupisa, muganho wekutama kana wekuburitsa, zvinodiwa nemagetsi, purifier target, hupenyu hwese hunotarisirwa, musika wekuenda uye mutengo wese wekugadzira.
DOTP inogona kutsiva DOP muzvigadzirwa zvakawanda zvinochinjika PVC , asi kutsiva kwehuwandu hwekugadzirwa kunofanira kutevera kuyedzwa kwakadzorwa pane kuchinjana kunofungidzirwa kwemunhu mumwe nemumwe.
Tsanangurai hwaro hwekutanga: nyorai chiyero cheDOP chiripo, kuomarara kweShore, simba rekudhonza, kureba, maitiro ekubatanidza, viscosity uye hwindo rekugadzirisa.
Tanga nekuyedza murabhoritari: tanga pedyo nemazinga e phr aripo, wobva wagadzirisa DOTP loading kuti isvike pakuomarara kwaunoda uye hunhu hwemakanika.
Tarisa mashandiro: yera maitiro ekusanganiswa kwemvura yakaoma, nguva yekusanganiswa, torque, kumanikidzwa kwekuwedzera, mhinduro yekuverenga kana plastisol viscosity sezvinodiwa.
Edza mashandiro ekupedzisira ekushandisa: enzanisa kukwegura kwekupisa, kudzikira kwehuremu, kuchinjika kwechando, kutama, kubvisa, mhute, kudzivirira kwemagetsi uye hwema zvichienzaniswa nezvinodiwa nechigadzirwa.
Ongorora kutevedzera mitemo: simbisa giredhi reDOTP, zvimwe zvese zvinowedzerwa uye chinhu chakapedzwa zvichienderana nezvinodiwa nemusika.
Simbisa pamutsetse wekugadzira: zadza chiyero chakadzorwa usati wachinja fomura rekutengesa.
DEHP, chinhu chinowanzo kutengeswa seDOP, chinoonekwa paEuropean Chemicals Agency Candidate List uye Authorisation List nekuda kwechepfu yekubereka uye hunhu hunokanganisa endocrine. Inofukidzwawo nemiganhu mune mamwe mapoka ezvigadzirwa zveEU. EU RoHS Directive inoganhurira DEHP muzvinhu zvakafanana zvinoshandiswa mumidziyo yemagetsi neyemagetsi, zvichienderana nehuwandu uye kusabvumidzwa.
MuUnited States, Consumer Product Safety Commission inorambidza matoyi evana nezvinhu zvekuchengeta vana zvine 0.1% DEHP muchikamu chepurasitiki chinosvikika. Dzimwe nyika nezvikamu zvezvigadzirwa zvinoshandisa miganhu yakasiyana, kusabvumirwa, magwaro uye mitemo yekuyedza.
DOTP ine chimiro chemakemikari chakasiyana uye ine mitemo yakasiyana, asi kushandisa DOTP hakuiti kuti chigadzirwa chakapedzwa chive 'chakachengeteka,' ''giredhi rechikafu,' ''giredhi rekurapa,' ''chakachengeteka pamatoyi,' ''isina phthalate,' ''REACH compliance' kana ''inoenderana neRoHS.' Izvi zvinoda humbowo hwegiredhi rezvinhu zvacho, pasuru yakazara yekuwedzera, mamiriro ekuonekwa, chinhu chakapedzwa uye musika.
Magwaro anofanira kukumbira vatengi: data rekuchengetedza zvinhu zvepepa (SDS), data rehunyanzvi zvinhu zvepepa (TDS), chitupa chekuongorora (COA), kuzivikanwa kwemakemikari chaiwo uye nhamba yeCAS, kuziviswa kwechimiro kana zvinhu zvakaganhurirwa, uye magwaro ekutevedzera zvinodiwa. Kushandiswa kwakaoma kunogona zvakare kuda kufambiswa kwemakambani echitatu, kuyedzwa kwemakemikari kana chigadzirwa chakapedzwa.
Runyorwa rweVanoda Kushandiswa muECHA: Bis(2-ethylhexyl) phthalate (DEHP)
US C PS C: Zvinodiwa zvePhthalates uye Mibvunzo Inowanzo bvunzwa
DOP inowanzova DEHP, orthophthalate plasticizer. DOTP iDEHT, terephthalate plasticizer. DOP inokosheswa nekuda kwekushanda zvakanaka kwepurasitiki uye mutengo wayo, nepo DOTP inowanzo sarudzwa nekuda kwekusagadzikana kwakanyanya, kugara kwenguva refu, kuramba kufamba, hunhu hwemagetsi uye nzvimbo isina orthophthalate.
Mukushandiswa kwakajairika mukutengeserana, DOP inowanzoreva DEHP, kana bis(2-ethylhexyl) phthalate, CAS 117-81-7. Nekuti mapfupiso anogona kusawirirana, simbisa zita rakazara remakemikari nenhamba yeCAS usati watenga.
Ehe. DOTP naDEHT mazita anozivikanwa ekuti bis(2-ethylhexyl) terephthalate, CAS 6422-86-2. DEHT inoratidza chimiro che2-ethylhexyl terephthalate zvakanyatsonaka.
DOTP inowanzo tengeswa seisina phthalate nekuti haisi orthophthalate yakaita seDEHP. 'Non-orthophthalate plasticizer' ndiyo tsananguro yakanyatsojeka yemakemikari. Chero chirevo chechinhu chapera chisina phthalate chinofanira kutsigirwa netsanangudzo yakatsanangurwa uye nzira yekuyedza.
DOTP inosarudzwa nevakawanda seimwe nzira nekuti DEHP inotongwa nemutemo wakakura. Zvisinei, kuchengetedzeka kunoenderana nenjodzi, kusvibiswa, kuchena, chiyero uye kushandiswa kwaunoda. Hapana purasitiki inofanira kutsanangurwa seyakachengeteka pasi rose pasina humbowo hwekushandiswa kwayo.
DOTP inogona kutsiva DOP mumhando dzakawanda dzinochinjika PVC , asi kuchinjana kwemunhu mumwe chete hakuvimbiswi. Chiyero, zvinosimbisa, zvinozadza, tembiricha yekugadzirisa uye nguva yekubatanidza zvinogona kuda kugadziriswa. Pedzisa miedzo yerabhoritari nekugadzira usati watsiva zvizere.
DOTP inowanzo sarudzwa nekuda kwekusagadzikana kwakanyanya uye kuvandudzwa kwekushanda kwekupisa, asi chinhu chose PVC ndicho chinosarudza mhedzisiro yekupedzisira. Simbisa kushanda kwayo nekuyedza kuderedza uremu, kuchengetedza kusimba, kuchengetedza kureba uye kuyedza kukwegura kwakanangana nekushandisa.
DOTP inowanzoshandiswa mumidziyo yewaya netambo inochinjika PVC nekuti inogona kupa simba rekudzivirira magetsi, kuchinjika uye kugara kwenguva refu. Musanganiswa wapera unofanirwa kuramba uchisangana nezvinodiwa netambo, tembiricha, bvunzo dzemagetsi, bvunzo dzekukwegura uye zvinodiwa nemurazvo.
Kukodzera hakusi kwega. Giredhi reDOTP rakatarwa uye chinhu chapera chinofanira kuzadzisa runyorwa rwakanaka, miganhu yekuumbwa, miganhu yekutama, mhando dzechikafu, nguva yekubatana uye mamiriro ekupisa mumusika wekuenda.
DEHP-plasticized PVC ine mashandisirwo ekare ekurapa, asi mashandisirwo iwayo anogona kusanganisira kuongororwa kwenjodzi, kunyora mazita, kusvibiswa uye zvinodiwa nemitemo. DOP inoshandiswa zvakanyanya haifanirwe kutengeswa segiredhi rekurapa pasina magwaro ezvigadzirwa, mudziyo uye musika chaiwo.
Kumbira SDS, TDS, COA, zita remakemikari, nhamba yeCAS, tsanangudzo yehutsanana uye zvirevo zvine chekuita nemutemo. Kune mamwe mashandisirwo akakosha, kumbira mishumo yekuongorora zvinhu zvakaganhurirwa, kutama kana chigadzirwa chakapedzwa zvinoenderana nemusika wekuenda.
DOP neDOTP zvinogona kuita kuti PVC ive purasitiki inochinjika zvinobudirira, asi zvinogadzirisa zvinhu zvakasiyana zvekutenga uye mashandiro azvo. DOP inogona kuramba ichishanda kune zvigadzirwa zvemaindasitiri zvinotenderwa uye zvinodhura. DOTP inowanzova chinhu chekutanga chakasimba kana kugara kwenguva refu, kushanda kwemagetsi, kuramba kufamba, hupenyu hwebasa kana kuti kwete-orthophthalate specification zvichikosha.
Sarudzo yakanakisisa inoenderana nekuomarara kwechinangwa, maitiro acho, tembiricha yebasa, nzvimbo yekuburitsa, hupenyu hwese, musika wekuenda uye kuyedzwa kunodiwa. Ongorora magwaro ehunyanzvi uye simbisa musanganiswa wese we PVC usati wagadzira zvekutengesa.
Kuti muwane rubatsiro pakusarudza firimu re PVC zvinhu zvepepa kana rinochinjika PVC , Bata HSQY Plastic nerudzi rwechigadzirwa chako, ukobvu, saizi, kuchinjika, nzira yekugadzirisa, tembiricha yebasa, musika wekuenda uye zvinodiwa pakutevedzera mitemo.
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