Na Andy wo mu ruganda rwa Baiyear
Yavuguruwe ku ya 2 Ugushyingo 2022
Hano hari amakuru yamakuru yinganda za Baiyear.Ibikurikira, Baiyear izagabanya uburyo bwo guterwa inshinge mu ngingo nyinshi kugirango tumenye isesengura ryibikoresho fatizo byo guterwa inshinge, kuko hari byinshi birimo.Ibikurikira ni ingingo ya gatanu.
(10).POM (Saigang)
1. Imikorere ya POM
POM ni plastiki ya kirisiti, ubukana bwayo nibyiza cyane, bizwi nka "ibyuma byubwoko".POM ni ibintu bitoroshye kandi byoroshye kandi birwanya ibintu byiza, birwanya geometrike hamwe no kurwanya ingaruka ndetse no ku bushyuhe buke, bifite imbaraga zo kurwanya umunaniro, kurwanya ibimera, kwambara, kurwanya ubushyuhe nibindi bikorwa byiza.
POM ntabwo yoroshye gukuramo ubuhehere, uburemere bwihariye ni 1.42g / cm3, naho igipimo cyo kugabanuka ni 2,1% (kristalitike yo hejuru ya POM itera kugira igipimo cyo kugabanuka cyane, gishobora kugera kuri 2% ~ 3.5 %.
Ibikoresho bya homopolymer bifite ihindagurika ryiza nimbaraga zumunaniro, ariko ntibyoroshye kubitunganya.Ibikoresho bya Copolymer bifite ubushyuhe bwiza nubushyuhe kandi byoroshye kubitunganya.Ibikoresho byombi bya homopolymer nibikoresho bya copolymer nibikoresho bya kristaline kandi ntibishobora gukurura byoroshye.
2. Ibiranga inzira ya POM
POM ntikeneye gukama mbere yo kuyitunganya, kandi nibyiza gushyushya (hafi 100 ° C) mugihe cyo kuyitunganya, nibyiza kubicuruzwa bihagaze neza.Ubushyuhe bwo gutunganya ibipimo bya POM ni bigufi cyane (195-215 ℃), kandi bizabora niba bigumye muri barrale igihe gito cyangwa ubushyuhe burenga 220 ℃ (190 ~ 230 ℃ kubikoresho bya homopolymer; 190 ~ 210 ℃ kuri ibikoresho bya kopi).Umuvuduko wa screw ntugomba kuba hejuru cyane, kandi amafaranga asigaye agomba kuba make.
Ibicuruzwa bya POM bigabanuka cyane (kugirango ugabanye igipimo cyo kugabanuka nyuma yo kubumba, ubushyuhe bwo hejuru burashobora gukoreshwa), kandi biroroshye kugabanuka cyangwa guhindura.POM ifite ubushyuhe bunini n'ubushyuhe bwo hejuru (80-105 ° C), kandi ibicuruzwa birashyuha cyane nyuma yo kumeneka, birakenewe rero ko urinda intoki gutwikwa.Umuvuduko wo gutera inshinge ni 700 ~ 1200bar, kandi POM igomba kubumbabumbwa mubihe byumuvuduko ukabije, umuvuduko wo hagati hamwe nubushyuhe bwo hejuru.
Abiruka n'amarembo barashobora gukoresha ubwoko ubwo aribwo bwose.Niba irembo rya tunnel ryakoreshejwe, nibyiza gukoresha ubwoko bugufi.Abiruka bashyushye ba nozzle basabwa ibikoresho bya homopolymer.Byombi byimbere byimbere hamwe nibishyushye byo hanze birashobora gukoreshwa kubikoresho bya copolymer.
3. Urutonde rusanzwe rusaba:
POM ifite coefficient nkeya cyane yo guterana no guhagarara neza kwa geometrike, cyane cyane ikwiriye gukora ibikoresho byuma.Kubera ko ifite kandi imiterere yo kurwanya ubushyuhe bwo hejuru, ikoreshwa no mubikoresho byo gukoresha amazi (imiyoboro y'amazi, amazu ya pompe), ibikoresho bya nyakatsi, nibindi.
(11), PC (kole yamashanyarazi)
1. Imikorere ya PC
Polyakarubone ni resimoplastique irimo - [ORO-CO] -guhuza urunigi rwimisatsi.Ukurikije amatsinda atandukanye ya ester mumiterere ya molekile, irashobora kugabanwa muburyo bwa alifatique, alicyclic na aliphatic-aromatic.Agaciro ni polikarubone nziza, na bispenol A ubwoko bwa polyakarubone ningenzi cyane, kandi uburemere bwa molekile ni 30.000-100.000.
PC ni amorphous, idafite impumuro nziza, idafite uburozi, ibonerana cyane idafite ibara cyangwa umuhondo muto wa termoplastique yubukorikori ifite ibikoresho byiza byumubiri nubukanishi, cyane cyane birwanya ingaruka nziza, imbaraga zidasanzwe, imbaraga zoguhindura imbaraga;Gukomera kwiza, ubushyuhe bwiza no guhangana nikirere, byoroshye kurangi, kwinjiza amazi make.
Ubushyuhe bwo guhindura ubushyuhe bwa PC ni 135-143 ° C, hamwe nudusimba duto nubunini buhamye;Ifite ubushyuhe bwiza nubushyuhe buke, kandi ifite imiterere ihamye yubukanishi, ituze ryurwego, imiterere yamashanyarazi hamwe nubushyuhe mubushuhe bugari.Umuriro, urashobora gukoreshwa igihe kirekire kuri -60 ~ 120 ℃;nta ngingo igaragara yo gushonga, irashonga kuri 220-230 ℃;bitewe nuburemere bukabije bwurunigi rwa molekile, resin yashonga viscosity nini;igipimo cyo kwinjiza amazi ni gito, kandi igipimo cyo kugabanuka ni gito (muri rusange 0.1% ~ 0.2%), uburinganire buringaniye, guhagarara neza, hamwe no guhumeka neza kwa firime;ni ibikoresho byo kuzimya;itajegajega kumucyo, ariko ntabwo irwanya UV, kandi ifite ikirere cyiza;
Kurwanya amavuta, kurwanya aside, kurwanya alkali ikomeye, aside oxyde, amine, ketone, gushonga muri hydrocarbone ya chlorine na solide ya aromatic, kubuza bagiteri, kwirinda umuriro no kurwanya umwanda, byoroshye gutera hydrolysis no kumena mumazi igihe kirekire, Ingaruka ni ko ikunda guhangayikishwa no gucika intege kubera kurwanya umunaniro muke, kutagira imbaraga zo kwihanganira, kutagira amazi meza no kutambara neza.PC irashobora guterwa inshinge, gusohora, kubumba, guhuha ubushyuhe, gucapwa, guhambirwa, gutwikirwa no gukora imashini, uburyo bwingenzi bwo gutunganya ni ugutera inshinge.
2. Ibikorwa biranga PC
Ibikoresho bya PC byumva cyane ubushyuhe, ubukonje bwayo bwashonze bugabanuka cyane hamwe no kwiyongera kwubushyuhe, umuvuduko urihuta, kandi ntabwo wumva igitutu.Ibikoresho bya PC bigomba gukama byuzuye mbere yo gutunganywa (hafi 120 ℃, amasaha 3 ~ 4), kandi ubuhehere bugomba kugenzurwa muri 0.02%.Umubare wubushuhe butunganijwe mubushyuhe bwinshi bizatera ibicuruzwa kubyara ibara ryera ryera, urudodo rwa feza nudusimba, hamwe na PC mubushyuhe bwicyumba Ifite imbaraga nyinshi zo guhindura ibintu byoroshye.Ingaruka zikomeye gukomera, birashobora rero gukonjeshwa ubukonje, gukurura ubukonje, gukonjeshwa nubundi buryo bukonje.
Ibikoresho bya PC bigomba gukorwa mubihe byubushyuhe bwo hejuru, ubushyuhe bwinshi bwubushyuhe hamwe numuvuduko mwinshi n'umuvuduko mwinshi.Koresha inshinge zihuse kumarembo mato no guterwa byihuse kubundi bwoko bwamarembo.Nibyiza kugenzura ubushyuhe bwubushyuhe bugera kuri 80-110 ° C, kandi ubushyuhe bwo kubumba nibyiza 280-320 ° C.Ubuso bwibicuruzwa bya PC bikunda kurabya ikirere, imyanya ya nozzle ikunda guhumeka ikirere, imihangayiko isigaye imbere ni nini, kandi byoroshye gucika.
Kubwibyo, kubumba gutunganya ibikoresho bya PC birarenze.Ibikoresho bya PC bifite kugabanuka gukabije (0.5%) kandi nta mpinduka zingana.Ibicuruzwa bikozwe muri PC birashobora gushyirwaho kugirango bikureho ibibazo byimbere.Uburemere bwa molekuline ya PC yo gukuramo bugomba kuba burenga 30.000, kandi hagomba gukoreshwa umugozi wo guhunika buhoro buhoro, hamwe nuburebure bwa diametre ya 1: 18 ~ 24 hamwe na compression ya 1: 2.5.Gukuramo ibishushanyo mbonera, gutera inshinge, inshinge-gukurura-gushushanya.Icupa ryiza, ryiza cyane.
3.Uburyo busanzwe bwo gusaba:
Ibice bitatu byingenzi bikoreshwa muri PC ni inganda ziteranya ibirahure, inganda zitwara ibinyabiziga na elegitoroniki, inganda z’amashanyarazi, zikurikirwa n’ibice by’imashini zikoreshwa mu nganda, disiki ya optique, imyenda ya gisivili, mudasobwa n’ibindi bikoresho byo mu biro, ubuvuzi n’ubuzima, firime, imyidagaduro n’ibikoresho birinda, n'ibindi
(12).EVA (reberi)
1. Imikorere ya EVA:
EVA ni plastike ya amorphous, idafite uburozi, ifite uburemere bwihariye bwa 0,95g / cm3 (yoroshye kuruta amazi).Igipimo cyo kugabanuka ni kinini (2%), kandi EVA irashobora gukoreshwa nkuwitwaye ibara ryiza.
2.Ibikorwa biranga EVA:
EVA ifite ubushyuhe buke (160-200 ° C), intera nini, kandi ubushyuhe bwayo buri hasi (20-45 ° C), kandi ibikoresho bigomba gukama (ubushyuhe bwumye 65 ° C) mbere yo kubitunganya.Ubushyuhe bwubushyuhe nubushyuhe bwibintu ntabwo byoroshye kuba hejuru cyane mugihe cyo gutunganya EVA, naho ubundi ubuso buzaba bubi (ntibworoshye).Ibicuruzwa bya EVA biroroshye kwizirika kumurongo wimbere, kandi nibyiza gukora ubwoko bwimigozi kumwobo wibikoresho bikonje byumuyoboro munini wa nozzle.Biroroshye kubora mugihe ubushyuhe burenze 250 ℃.EVA igomba gukoresha uburyo bwimikorere y "ubushyuhe buke, umuvuduko wo hagati n'umuvuduko wo hagati" mugutunganya ibicuruzwa.
(13), PVC (polyvinyl chloride)
1. Imikorere ya PVC:
PVC ni plastike ya amorphous idafite ubushyuhe buke kandi irashobora kwangirika k'ubushyuhe (ibipimo by'ubushyuhe bidakwiye bizatera ibibazo byo kubora).PVC iragoye gutwika (flame retardancy), ubukonje bwinshi, amazi mabi, imbaraga nyinshi, guhangana nikirere hamwe na geometrike ihamye.Mugukoresha mubikorwa, ibikoresho bya PVC akenshi byongeramo stabilisateur, amavuta yo kwisiga, ibikoresho byunganira gutunganya, pigment, imiti irwanya ingaruka nibindi byongeweho.
Hariho ubwoko bwinshi bwa PVC, bugabanijwemo PVC yoroshye, igice-gikomeye kandi gikomeye, ubucucike ni 1.1-1.3g / cm3 (buremereye kuruta amazi), igipimo cyo kugabanuka ni kinini (1.5-2.5%), kandi igipimo cyo kugabanuka ni hasi cyane, muri rusange 0,2 ~ 0,6%, hejuru yubuso bwibicuruzwa bya PVC birakennye, (Reta zunzubumwe zamerika ziherutse gukora PVC ikorera mu mucyo igereranywa na PC).PVC irwanya cyane okiside, igabanya imiti na acide ikomeye.Nubwo bimeze bityo ariko, irashobora kwangirika na aside irike nka acide sulfurike yibanze hamwe na acide nitricike yibanze kandi ntibikwiriye guhura na hydrocarbone ya aromatic na hydrocarbone ya chlorine.
2. Ibiranga inzira ya PVC:
Ugereranije na PVC, ubushyuhe bwo gutunganya buringaniye (160-185 ℃), gutunganya biragoye, kandi ibisabwa murwego rwo hejuru.Mubisanzwe, gukama ntibisabwa mugihe cyo gutunganya (niba bikenewe gukama, bigomba gukorwa kuri 60-70 ℃).Ubushyuhe bwibumba buri hasi (20-50 ℃).
Iyo PVC itunganijwe, biroroshye kubyara imirongo yumuyaga, imirongo yumukara, nibindi. Ubushyuhe bwo gutunganya bugomba kugenzurwa cyane (ubushyuhe bwo gutunganya 185 ~ 205 ℃), igitutu cyo gutera inshinge gishobora kuba kinini nka 1500bar, kandi igitutu cyo gufata kirashobora nini nka 1000bar.Kugirango wirinde kwangirika kw'ibintu, muri rusange Hamwe n'umuvuduko ugereranije wo gutera inshinge, umuvuduko wa screw ugomba kuba munsi (munsi ya 50%), amafaranga asigaye agomba kuba make, kandi umuvuduko winyuma ntugomba kuba mwinshi.
Umwuka mwinshi ni mwiza.Igihe cyo gutura cyibikoresho bya PVC mubushyuhe bwo hejuru ntigomba kurenza iminota 15.Ugereranije na PVC, nibyiza gukoresha ibicuruzwa binini byamazi muri kole, kandi nibyiza gukoresha imiterere y "umuvuduko ukabije, umuvuduko ukabije nubushyuhe buke" kugirango ubumbabumbe kandi ubitunganyirize.Ugereranije nibicuruzwa bya PVC, biroroshye gukomera kumurongo wimbere.Umuvuduko wo gufungura umuvuduko (icyiciro cya mbere) ntugomba kwihuta cyane.Nibyiza gukora nozzle mumwobo ukonje wibikoresho bya kwiruka.Nibyiza gukoresha ibikoresho bya PS nozzle (cyangwa PE) ibikoresho kugirango usukure ingunguru kugirango wirinde kwangirika kwa PVC kugirango bibyare Hd ↑, byangiza imigozi nurukuta rwimbere rwa barriel.Amarembo asanzwe arashobora gukoreshwa.
Niba gutunganya ibice bito, nibyiza gukoresha irembo ryinama cyangwa irembo ryarengewe;kubice binini, irembo ryabafana nibyiza.Diameter ntarengwa y irembo ryisonga cyangwa irembo ryarohamye igomba kuba 1mm;ubunini bw irembo ryabafana ntibigomba kuba munsi ya 1mm.
3. Urutonde rusanzwe rusaba:
Imiyoboro yo gutanga amazi, imiyoboro yo murugo, imbaho zurukuta rwinzu, imashini yubucuruzi, gupakira ibicuruzwa bya elegitoroniki, ibikoresho byubuvuzi, gupakira ibiryo, nibindi.
Gukomeza, niba ushaka kumenya byinshi, nyamuneka twandikire.Baiyear ni uruganda runini rugizwe ninganda zikora plastike, gutera inshinge no gutunganya ibyuma.Cyangwa urashobora gukomeza kwitondera ikigo cyamakuru cyurubuga rwacu: www.baidasy.com, tuzakomeza kuvugurura amakuru yubumenyi ajyanye ninganda zitunganya inshinge.
Twandikire ： Andy Yang
Porogaramu ni iki: +86 13968705428
Email: Andy@baidasy.com
Igihe cyoherejwe: Ugushyingo-29-2022
