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Igikoresho c'agaciro kanini c'ivyuma vy'umubiri (PA): Igikoresho c'ingenzi co kwubaka amapolymere n'imiti ikora neza cane

Phthalic Anhydride (PA), ifise umurongo w’amamolekule C8H4O3, ni ikintu gikomeye c’umweru kandi ni umuti w’ingenzi w’inganda uzwi cane kubera uruhara rwawo mu gukora ubwoko bwinshi bw’ibintu bikomeye, amaresine, n’ibintu bidasanzwe. Kubera ko ari kimwe mu bihimba vy’umubiri bikora cane kw’isi yose, gikora nk’ibuye ry’imfuruka mu bikorwa nk’ivy’amapulasitike, ivy’ugupfuka, ivy’ugufatanya, n’ivy’imiti, gifise agaciro kubera ubushobozi bwaco bwo gukora cane kandi gikoreshwa mu buryo bwinshi.

    Ibisabwa bikomeye

    1. Ivyuma vy’amapolyester n’ivy’amapolyester: Ishingiro ry’amapolymere y’inganda
    Phthalic Anhydride ikoreshwa canecane mu guhingura amaresine y’ivyuma bitagira amazi (UPRs), ikintu gihambaye cane mu bikoresho vy’ivyuma bikomeye vy’ivyuma (FRPs):
    Ibisabwa vya FRP:
    Mu guhingura imodoka (nk’akarorero, abahinguzi b’imiduga bo mu Buraya), UPRs zikomoka kuri PA zikoreshwa mu guhingura ibipande vy’umubiri bifise uburemere buke, ibipande vy’imiduga, n’ibihimba vyo munsi y’igipfukisho, bikagabanya uburemere bw’imodoka no gutuma ikoresha neza amavuta.
    Mu nguvu z’umuyaga, amaresine ashingiye kuri PA ni nkenerwa mu guhingura amababa y’ibikoresho vy’umuyaga, atanga inkomezi nyinshi n’ugukomera kugira ngo ashobore kwihanganira ibihe bikomeye cane mu mirima yo mu nkengera y’ikiyaga (nk’akarorero, imigambi yo mu kiyaga co mu Buraruko).
    Ivyongeweko vy'ubushuhe:
    Ikora nk’igihindura mu guhingura polyvinyl chloride (PVC), igatuma habaho uguhinduranya no gutunganya. Nk’akarorero, mu mahinguriro y’imiyoboro ya PVC yo muri Aziya, amapulasitike akoreshwa muri PA aratuma imiyoboro y’amazi n’imiyoboro y’amazi mabi idashobora gushikirwa n’ingorane.

    2. Amarangi, Ivyo Gupfuka n’Ivyo Gufatanya: Bikora neza kandi Biramba
    Amaresini ya Alkyde:
    PA ni ikintu nyamukuru kiri mu ma resine ya alkyd, akoreshwa mu marangi y’ubwubatsi (nk’akarorero, amarangi yo hanze y’inzu muri Amerika y’Uburaruko) kubera ko ashobora guhangana n’ibihe vyiza cane kandi akaguma afise ibara. Ivyuma bishingiye kuri alkyde na vyo nyene birakingira ivyuma biri mu bibanza vy’inganda (nk’ibiraro, imashini) kugira ngo ntibisenyuke.
    Ivyo gupfuka Epoxy:
    Mu bikoresho vy’ugupfuka ibintu vyinshi, ibintu biva kuri PA biratuma ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma vy’ivyuma.
    Ibifatanya:
    Ikoreshwa mu 热熔胶 (ibikoresho bifatanya ibintu bishushe) mu gupfunyika no gupfunyika ibitabu, PA iratuma habaho ugupfunyika n’inkomezi zo gupfunyika, bikaba bituma habaho ibikorwa vy’ukwizigirwa mu mirongo y’uguhingura ibintu vyihuta cane (nk’akarorero, inganda zo gupfunyika zo mu Buraya).

    3. Ivyuma bitera amapulasitike n’ibindi bikoresho bidasanzwe: Gutuma ibintu bigira ubushobozi bwo gukora neza
    Ivyuma bikora amapulasitike vy’i Phthalate:
    PA ni yo ibanza guhingura diisononyl phthalate (DINP) na diethyl phthalate (DEP), ikoreshwa cane mu bikoresho vya PVC nk’ibikinisho, ibikoresho vyo mu nzu, n’ibikoresho vyo mu buvuzi. Ivyo bikoresho bitera amapulasitike bituma umuntu ashobora guhindura uko abona ibintu mu gihe biguma vyubahiriza amabwirizwa y’Ubumwe bw’ibihugu vy’Uburayi (EU REACH) ku bijanye n’ubumara buke (nk’akarorero, mu bikoresho vy’abana).
    Ivy'imiti yo hagati:
    Mu gukora imiti, ibiva kuri PA bikoreshwa mu guhingura imiti nk’imiti irwanya umururumba n’imiti irwanya ibicurane. Nk’akarorero, irafise uruhara mu guhingura imiti irwanya imigera yitwa cephalosporin, ikaba ari ngirakamaro cane mu kuvura indwara ziterwa n’imigera kw’isi yose.

    4. Ubuhinzi n'ugukingira ibikoko: Inyishu ziramvye
    Imiti yica udukoko n’ibiherere ku mubiri:
    Imiti ikozwe muri PA ikoreshwa mu guhingura ibintu vyo gukingira ibiterwa, nk’ibintu vy’ubuhinga bwa pyrethroïdes bikoreshwa mu gukingira udukoko. Mu mirima y’ibitoke vy’isoya yo muri Amerika y’Epfo, ivyo bihimba birafasha gukingira ibiterwa ibikoko bishobora gutera mu gihe bigabanya ingaruka mbi ku bidukikije.
    Ivyuma bishobora gusenyuka:
    Nk’ikintu kimwe (monomere) kiri mu mapulasitike ashobora gusenyuka, PA irafasha mu gutegura ibikoresho vyo gupfunyika bitagira ingaruka ku bidukikije (nk’ibikoresho vyo gupfunyika ibifungurwa bishingiye ku bimera) bigabanya ukwizigira ibintu bishingiye kuri peteroli.

    5. Ibikorwa vyo mu Laboratwari no mu Bushakashatsi
    Ihuriro ry'ibinyabuzima:
    PA ni ikintu gikoreshwa mu buryo bwinshi mu bigo vy’inyigisho n’ivy’inganda ku bikorwa nk’ivya Friedel-Crafts acylation, bikoreshwa mu gukora ketones n’amarangi bimota neza. Bituma kandi hakorwa umuti witwa phthalimide, ukaba ari umuti w’ingenzi mu bushakashatsi bw’imiti n’ubuhinga bw’uburimyi.
    Ubuhinga bwa Polymere:
    Ikoreshwa mu bigo vy’ubushakashatsi vy’amapolymere kugira ngo yige isano riri hagati y’imiterere n’imiterere y’amapolyester, bikaba bishoboza gutegura ibikoresho vy’ubuhinga bwa none vyo mu kirere no mu vy’ubuhinga bwa none (nk’akarorero, ibikoresho bishobora guhangana n’ubushuhe ku bikoresho vy’inyenyeri).

    Ibisobanuro

    Izina ry'igicuruzwa Anhidride ya ftaliki
    Formule y'imiti C8H4O3
    Uburemere bw'amamolekule 148,12 g/moli
    Isura Ifu y'ikibiriti yera
    Ikibanza co gushongera 131,6°C
    Intumbero yo guteka 295°C
    CAS OYA 85-44-90.
    Kode ya HS 2917359000
    EINECS OYA 201-607-50.
    Gusaba Ikoreshwa mu bikoresho bihindura amapulasitike, amaresine, ibikoresho vyo hagati mu miti, amarangi, imiti yica udukoko.

    Urupapuro rwo kugenzura uburyo

    Izina ry'igicuruzwa Anhidride ya ftaliki
    UMUTWE IBISOBANURO UMWIMBU
    LOTI NO. AA001-GN12241226350
    UMUGANIRO(MT) 23.4
    Ibara (APHA) MAX 20 15
    Purty%) 99,5-100 99.9
    Ugucuruza (C) 130,8-131,5 130.8
    Ac1d (WT%) MAX.0.2 0.0294
    Ubushuhe bw'umuriro (250°C 90M1n APHA) MAX 50 40
    Anhidnide y'amazi (GC%) MAX0.05 0

    Mu ncamake

    Ubwiza n'ukwubahiriza
    Amanota y'ubusuku:
    Igitigiri c’inganda: ≥99.5% y’ubusuku, ibereye gukoreshwa mu guhingura amaresini n’amapulasitike, ihuye n’ingingo ngenderwako za ISO 9001.
    Igitigiri c’imiti: Ihuye n’ivya EP na USP kugira ngo ikoreshwe mu bikoresho vyo hagati y’imiti, ifise ivyuma biremerera ≤10 ppm.
    Umutekano n'Ubuzima Buramvye:
    Ikoreshwa mu bibanza vyemewe na ISO 14001 hakoreshejwe ubuhinga bwa catalytic oxidation bwa o-xylene, n’uburyo bwo gusubiza ubushuhe buva mu myanda kugira ngo bigabanye ikirenge c’umuyagankuba.
    Ishizwe mu mifuko y’ibiro 25 canke mu masaho y’ibiro 1000, yanditsweko imburi z’akaga za GHS kugira ngo umuntu ashobore kuyifata neza no kuyitwara (IMDG/ADR compliant).

    Ni kuki duhitamwo Anhydride yacu ya Phtalique?
    Waba uriko urakora ibikoresho vy’uruvyaro rukurikira, ukora ibikoresho vy’ubuhinga bwinshi, canke ukora amapulasitike aramvye, PA yacu itanga ubushobozi bwo gusubiramwo n’ubusuku budahinduka. Kubera ko dufise ibibanza vy’ugutanga ibikoresho kw’isi yose muri Amerika y’Uburaruko, Uburayi na Aziya, turabona ko dushobora gutanga ibikoresho vyizigirwa be n’ugufasha mu vy’ubuhinga kuva ku migenderanire y’inganda nini gushika ku migambi y’ubushakashatsi.

    Gutuma habaho ubuhinga bushasha n’umuti witwa Premium Phthalic Anhydride—umugongo w’ubuhinga bwa none bw’ubuhinga bwa none.