Guhindura Ifumbire Ikoreshwa mu Kugabanya Umuriro Udakoresha Halogen mu Ruhu rwa PVC

Guhindura Ifumbire Ikoreshwa mu Kugabanya Umuriro Udakoresha Halogen mu Ruhu rwa PVC

Intangiriro

Umukiriya akora uruhu rwa PVC rudashya umuriro hamwe na antimoni trioxide (Sb₂O₃) rwakoreshejwe mbere. Ubu bagamije gukuraho Sb₂O₃ no guhindura ibintu bidashya umuriro bidafite halogen. Uburyo buriho ubu burimo PVC, DOP, EPOXY, BZ-500, ST, HICOAT-410, na antimoni. Guhindura kuva ku bwoko bwa PVC bushingiye ku ruhu rudashya umuriro ujya ku buryo budashya umuriro budafite halogen bigaragaza iterambere rikomeye mu ikoranabuhanga. Iyi mpinduka ntiyubahiriza gusa amabwiriza akomeye yo kurengera ibidukikije (urugero, RoHS, REACH) ahubwo inanongera isura y'icyatsi kibisi n'ipiganwa ku isoko.

Imbogamizi z'ingenzi

1. Gutakaza Ingaruka za Synergistic:
   • Sb₂O₃ si umuti urinda umuriro cyane wonyine ariko ugira ingaruka nziza zo kwirinda umuriro hamwe na chlorine muri PVC, bigatuma imikorere irushaho kuba myiza. Gukuraho antimoni bisaba gushaka ubundi buryo budafite halogen bushobora kwigana ubwo buryo.
2. Ingufu zo Kudakoresha Umuriro:
   • Ibikoresho bigabanya umuriro bidafite halogen akenshi bisaba imbaraga nyinshi kugira ngo bigere ku bipimo bingana n’ibigabanya umuriro (urugero, UL94 V-0), bishobora kugira ingaruka ku miterere ya mekanike (ubworoherane, imbaraga zo gukurura, uburebure), imikorere yo gutunganya, n'igiciro.
3. Ibiranga uruhu rwa PVC:
   • Uruhu rwa PVC rusaba koroha cyane, gukora ku ntoki, gutunganya ubuso (gushushanya, gukayangana), kurwanya ikirere, kurwanya kwimuka, no koroherwa n'ubushyuhe buke. Iyi mashini nshya igomba kugumana cyangwa guhuza neza n'iyi miterere.
4. Imikorere yo Gutunganya:
   • Ubwinshi bw'ibikoresho bidafite halogen (urugero, ATH) bishobora kugira ingaruka ku rujya n'uruza rw'amazi ashongeshejwe no kudahindagurika mu gutunganya.
5. Ibipimo by'ikiguzi:
   • Bimwe mu bikoresho bigabanya umuriro bidafite halogen kandi bikoresha ingufu nyinshi birahenze, bityo bigasaba uburinganire hagati y’imikorere n’ikiguzi.

Ingamba zo guhitamo sisitemu zirinda umuriro zidafite Halogen (ku ruhu rw'ubukorano rwa PVC)

1. Ibintu by'ingenzi bibuza umuriro – Hydroxides z'icyuma

• Aluminium Trihydroxide (ATH):
  • Ikunze kugaragara cyane, ihendutse.
  • Uburyo: Gusenyuka kwa endothermike (~200°C), birekura umwuka w'amazi kugira ngo bivange imyuka yaka na ogisijeni mu gihe bigakora urwego rw'ubuso rurinda.
  • Ingaruka mbi: Umusaruro muke, umutwaro mwinshi usabwa (40–70 phr), bigabanya cyane uburyo bworoshye, uburebure, no gutunganya neza; ubushyuhe bwo kubora ni buke.
• Magnesium Hydroxide (MDH):
  • Ubushyuhe bwinshi bwo kubora (~340°C), bukwiriye cyane mu gutunganya PVC (160–200°C).
  • Ingaruka mbi: Hakenewe imitwaro myinshi nk'iyo (40–70 phr); igiciro kiri hejuru gato ugereranyije na ATH; ishobora kugira ubushobozi bwo kwinjiza amazi menshi.

Ingamba:

• Hitamo MDH cyangwa uruvange rwa ATH/MDH (urugero, 70/30) kugira ngo ikiguzi kibe kiringaniye, ubushyuhe bwo gutunganya ibintu bushobora guhinduka, ndetse n'ubudahangarwa bw'inkongi.
• Isukurwa ku buso (urugero, ifatanye na silane) ATH/MDH irushaho guhuza na PVC, igabanya kwangirika kw'ibintu, kandi ikongera ubukana bw'inkongi z'umuriro.

2. Abahuza b'umuriro barinda umuriro

Kugira ngo bigabanye imitwaro igabanya umuriro no kunoza imikorere, abahanga mu guhuza ibikorwa ni ingenzi:

• Ibidakoresha umuriro wa Fosifore na Azote: Ni byiza cyane kuri sisitemu za PVC zidafite halogen.
  • Ammonium Polyphosphate (APP): Itera imbere gushya, igakora urwego rwo kwirinda gushyuha rugana ku butaka.
    • Icyitonderwa: Koresha ubushyuhe bwinshi budashobora kwangirika (urugero, Icyiciro cya II, >280°C) kugira ngo wirinde kubora mu gihe cyo gutunganya. Porogaramu zimwe na zimwe zishobora kugira ingaruka ku mucyo no kudashobora kwangirika kw'amazi.
  • Diethylphosphinate ya Aluminium (ADP): Ikora neza cyane, ifite umutwaro muke (5–20 phr), igira ingaruka nke ku miterere, kandi ihora ihagaze neza mu bushyuhe.
    • Ingaruka mbi: Ikiguzi kiri hejuru.
  • Ester za fosfate (urugero, RDP, BDP, TCPP): Zikora nk'ibintu bigabanya umuriro mu buryo bwa pulasitiki.
    • Ibyiza: Ifite uruhare rubiri (plasticizer + igabanya umuriro).
    • Ingaruka mbi: Molekile nto (urugero, TCPP) zishobora kwimuka/guhindagurika; RDP/BDP ifite ubushobozi buke bwo gukora plastike ugereranyije na DOP kandi ishobora kugabanya ubushyuhe buke.
• Borate ya Zinc (ZB):
  • Ihendutse, ifite imikorere myinshi (igabanya umuriro, igabanya umwotsi, itera imbaraga, irwanya gutonyanga). Ikorana neza na sisitemu ya ATH/MDH na fosifore-azote. Isanzwe ipima: 3–10 phr.
• Zinc Stannate/Hydroxy Stannate:
  • Imiti igabanya umwotsi neza cyane hamwe n'imiti igabanya umuriro, cyane cyane kuri polymeri irimo chlorine (urugero, PVC). Ishobora gusimbura igice cy'uruhare rwa antimoni mu guhuza. Imitwaro isanzwe: 2–8 phr.
• Ibinyabutabire bya Molybdenum (urugero, MoO₃, Ammonium Molybdate):
  • Imiti ikomeye igabanya umwotsi hamwe n'ubufatanye butuma umuriro udashira. Imitwaro isanzwe: 2–5 phr.
• Ibikoresho byuzuza Nano (urugero, Nanoclay):
  • Imitwaro mike (3–8 phr) ituma umuriro udakora neza (gukora kwa char, kugabanuka k'umuvuduko wo gusohora ubushyuhe) ndetse n'imiterere ya mekanike. Gutatana ni ingenzi cyane.

3. Imiti igabanya umwotsi

PVC ikora umwotsi mwinshi mu gihe cyo gutwika. Ingano zidafite halogen zikunze gusaba kugabanya umwotsi. Zinc borate, zinc stannate, na molybdenum ni amahitamo meza cyane.

Uburyo bwo gushushanya butarimo Halogen (bushingiye ku buryo bw'umwimerere bw'umukiriya)

Intego: Kugera kuri UL94 V-0 (1.6 mm cyangwa ubunini) mu gihe ukomeza koroha, koroshya gutunganya, n'imiterere y'ingenzi.

Ibitekerezo:

• Imiterere y'umwimerere:
  • DOP: 50–70 phr (ikoreshwa mu gushushanya pulasitiki).
  • ST: Aside stearic ishobora kuba (amavuta yo kwisiga).
  • HICOAT-410: Iterambere rya Ca/Zn.
  • BZ-500: Birashoboka ko ari amavuta yo gusiga/ibikoresho byo gutunganya (kugira ngo byemezwe).
  • EPOXY: Amavuta ya soya ya Epoxidized (co-stabilizer / plasticizer).
  • Antimoni: Sb₂O₃ (igomba gukurwaho).

1. Uburyo bwo gukora ibintu busabwa (kuri 100 phr PVC resin)

2. Ingero zo gukora (Bisaba kunoza)

Intambwe z'ingenzi zo gushyira mu bikorwa

1. Emeza Ibisobanuro by'Ibikoresho Bisanzwe:
   • Sobanura imiterere y'ibinyabutabire byaBZ-500naST(reba impapuro z'amakuru z'abatanga serivisi).
   • Genzura neza ubwinshi bw'imizigoDOP,EPOXY, naHICOAT-410.
   • Sobanura ibisabwa n'umukiriya: Kudakoresha umuriro (urugero, ubunini bwa UL94), koroha (ubukomere), gukoresha (imodoka, ibikoresho byo mu nzu, amasakoshi?), ibikenewe byihariye (kurwanya ubukonje, kudahindagurika kwa UV, kudashwanyagurika?), ikiguzi ntarengwa.
2. Hitamo urwego runaka rw'ibidakoresha umuriro:
   • Saba abatanga ibikoresho bigabanya umuriro bidafite halogen byagenewe uruhu rwa PVC.
   • Shyira imbere ATH/MDH yatunganyijwe ku buso kugira ngo ikwirakwizwe neza.
   • Kuri APP, koresha amanota arwanya ubushyuhe bwinshi.
   • Ku birebana na ester za fosfeti, hitamo RDP/BDP kuruta TCPP kugira ngo habeho ukwimuka guke.
3. Isuzuma n'Ivugurura rya Laboratwari:
   • Tegura uduce duto dufite imitwaro itandukanye (urugero, hindura ingano ya MDH/APP/ZB/ZS).
   • Kuvanga: Koresha imashini zivanga zihuta cyane (urugero, Henschel) kugira ngo zikwirakwizwe neza. Shyiramo ibintu bivanze (plasticizers, stabilizers) mbere na mbere, hanyuma ushyiremo ifu.
   • Igerageza ryo gutunganya: Igerageza ku bikoresho bikoreshwa mu gukora (urugero, Banbury mixer + calendering). Kugenzura igihe cyo gupima, ubushyuhe bushongeshejwe, torque, n'ubwiza bw'ubuso.
   • Isuzuma ry'Imikorere:
     • Kudakomeza umuriro: UL94, LOI.
     • Imiterere ya mekanike: Ubukomere (Inkombe A), imbaraga zo gukurura, uburebure.
     • Uburyo bworoshye/gukora ku ntoki: Ibizamini by’ubukana bw’umubiri + ubukana bw’umubiri.
     • Ubushyuhe buke: Ikizamini cyo kugonda ubukonje.
     • Ubushyuhe buhagaze neza: Ikizamini cy'umutuku cya Kongo.
     • Ishusho: Ibara, rirabagirana, irabagirana.
     • (Uburyo bworoshye) Ubucucike bw'umwotsi: Icyumba cy'umwotsi cya NBS.
4. Gukemura ibibazo no kuringaniza:

5. Igerageza n'Umusaruro: Nyuma yo kunoza laboratwari, kora igerageza ry'igerageza kugira ngo urebe ko ibintu bihamye, bihamye, kandi ko igiciro cyabyo kidahinduka. Kongera umusaruro nyuma yo kwemeza.

Umwanzuro

Guhindura uruhu rwa PVC rushingiye kuri antimoni rujya kuri halogen rudacana umuriro birashoboka ariko bisaba iterambere ryimbitse. Uburyo bw'ibanze buhuza hydroxide z'icyuma (cyangwa MDH yavuwe ku buso), phosphore-azote ihuza (APP cyangwa ADP), n'ibintu bigabanya umwotsi mu buryo bwinshi (zinc borate, zinc stannate). Muri icyo gihe, gukoresha neza pulasitiki, ibitera imbaraga, amavuta, n'ibikoresho bifasha mu gutunganya ni ingenzi cyane.

Inzira zo Kugera ku Ntego:

1. Sobanura intego zisobanutse neza n'imbogamizi (igabanuka ry'inkongi y'umuriro, imitungo, ikiguzi).
2. Hitamo ibintu bigabanya umuriro byagaragaye ko bidafite halogen (ibice bisukurwa n'ubuso, APP ifite ubushyuhe bwinshi).
3. Gukora isuzuma rikomeye rya laboratwari (igabanuka ry'inkongi y'umuriro, imiterere, gutunganya).
4. Menya neza ko kuvanga no guhuza ibikorwa bishya.

   More info., you can contact lucy@taifeng-fr.com