Chosawoneka: Mfundo yolumikizirana, kagawika, kapangidwe kake, njira ndi zida za silane zolumikizira za waya ndi zingwe zimafotokozedwa mwachidule zinthu zomwe zimagwiritsidwa ntchito ndi kugwiritsa ntchito komanso Zinthu zomwe zikukhudza mkhalidwe wolumikizana ndi zomwe zalembedwazo zimayambitsidwa.
Mawu osakira: Silala pamtunda; Kulumikizana kwachilengedwe; Polyethylene; Kukula; Waya ndi chingwe
Silala yolumikizidwa ndi silathylene yolumikizidwa tsopano imagwiritsidwa ntchito kwambiri mu waya ndi zingwe makampani ogulitsa ngati zinthu zolimbitsa thupi zamagetsi. Zomwe mwapanga mtanda wolumikizidwa ndi chingwe, ndipo kugwirizanitsa mtanda wolumikizidwa ndi Peroxide Poyerekeza ndi zida zopanga ndikosavuta, zosavuta kugwira ntchito, zotsika zina, zakhala zotsogola zotsika -Mawu olumikizidwa ndi chingwe cholumikizidwa ndi kufinya.
1.Silane mtanda wopindika pamfundo yolumikizira
Pali njira ziwiri zazikulu zomwe zimakhudzidwa popanga polyethylene yolumikizidwa ndi Silane: Kulumikiza ndi Kulumikizana. Pakampaniyi, polymer amataya atomu pa kaboni wa terbory Carbory Pazochitika Zaulere, zomwe zimakhudzana ndi - Ch2 Silane kuti ipange tsamba lolumikizidwa lomwe lili ndi estery gulu. Pakampani yolumikizirana, kumeriza kwa poyimitsa kumayikidwa motere pa kukhalapo kwa madzi kuti apange Silanol, ndipo oh atero gulu la SI-S macromolecules.
2.Ilane mtanda wopindika ndi njira yake yopanga chinsinsi
Monga mukudziwa, pali magawo awiri ndi gawo limodzi komanso njira zingapo zopangira zingwe zolumikizidwa ndi silane ndi zingwe zawo. Kusiyana pakati pa njira ziwiri ndi njira imodzi yagona pomwe njira yolumikizira ya Silane imachitikira njira imodzi yokhazikika. Zinthu ziwirizi zolumikizidwa ndi zilamba ziwiri za Silane zolumikizidwa ndi polyene ndi gawo lalikulu kwambiri limapangidwa ndi zida zotchedwa a ndi b, zomwe zimakhala ndi polyethylene yolumikizidwa ndi silanel. Pachiyambi chokhazikika chimakhala cholumikizidwa m'madzi ofunda kapena nthunzi.
Pali mtundu wina wa polyenene wopatsa polyene, pomwe mfundo imapangidwa mwanjira ina, poyambitsa vinyl Sillene mwachindunji mu polyesisylene unyolo wokhala ndi maunyolo a Silanethylene.
Njira imodzi yomwe ilinso ndi mitundu iwiri, njira zoyeserera ndi zinthu zosiyanasiyana malinga ndi njira yolumikizira dongosolo lapadera lazolowera, mu extroder yapadera imodzi kuti mutsirize Chingwe chopsa mtima, munjira imeneyi, palibe kutulutsa, osafunikira gawo labwino lazomera, ndi fakitale ya chinsinsi kuti mumalize yekha. Tekisiki yopanga pang'ono pa silane yopanga silane yolumikizidwa ndi ukadaulo wa kapangidwe kake zimachokera kunja kuchokera kunja ndipo ndiokwera mtengo.
Mtundu wina wa zinthu zolumikizira za polyeneyleen Zomera, chomera chotchinga chitha kukhala mu extruder kuti mumalize gawo lomwelo kugwirira ntchito kapena kupezeka kwa chinsinsi chotupa. Chofunikira chapadera mwanjira imeneyi ndikuti palibe chifukwa chogulitsa mabungwe okwera mtengo, chifukwa njira yolumikizira ya silane imatha kumalizidwa mu PVC Extruder, ndipo njira ziwiri zimathetsa kufunika kosakanikirana.
3. Kupanga kapangidwe kake
Kupanga kwa chinsinsi cha Silane pamtanda nthawi zambiri kumapangidwa ndi malo osungirako zinthu zapamwamba, woyambitsa, silane, antioxidant antibitor, chothandizira Elebinitor, etc.
. Kugwiritsa ntchito kapena kugwiritsidwa ntchito pang'ono ngati maziko a izi. Zosiyana nthawi zambiri zimakhala ndi mphamvu yolumikizirana ndikugwirizanitsa chifukwa cha kusiyana komwe ali mkati mwa mawonekedwe awo amkati, kotero mawonekedwe adzasinthidwa pogwiritsa ntchito magawo osiyanasiyana kapena mtundu womwewo wa opanga osiyanasiyana.
. Zochuluka kwambiri kuchititsa kulumikizana ndi polyethylene, zomwe zimachepetsa mphamvu zake, zomwe zimapangitsa kuti zisungunuke zikhale zovuta, kovuta kufinya. Pamene kuchuluka kwa woyambitsa ndi kochepa kwambiri komanso kovuta, ndikofunikira kubalalitsa, chifukwa chake kumawonjezeredwa pamodzi ndi silane.
. Mofananamo, pali vuto lowonjezera silane, opanga zinthu zopanga zomwe akupanga akuyesera kuti akwaniritse malire kuti achepetse ndalama, chifukwa A silane amatumizidwa kunjira yotsika mtengo, mtengo wake ndi wokwera mtengo kwambiri.
. Kuti musamale, kuchuluka kumeneku kunawonjezeredwa kuti muganizire kuchuluka kwa DCP kuti agwirizane ndi kusankha. Mu njira ziwiri zolumikizirana zolumikizira, ambiri mwa antioxidant zitha kuwonjezeredwa mu bata la master, zomwe zimachepetsa mphamvu pakudulira. Mu njira yolumikizirana yolumikizirana, antioxidant ilipo mu njira yonse yolumikizira, kotero kusankha mitundu ndi kuchuluka kwake ndikofunikira. Antioxidants omwe amagwiritsidwa ntchito kwambiri ndi 1010, 168, 330, etc.
. Madzi osintha, kuphatikiza kuwonjezera kumeza mikhalidwe yomweyo kudzachitika ndi hydrolysis a silaneshition choletsa poldothylene.
. Pazinthu ziwirizi, kumezanitsa (chinthu) ndi zinthu zothandizirana ndi zida) zimasungidwa padera ndipo zida za b zimasakanizidwa musanayambe kuwonjezeredwa ndi zinthuzo. Pankhani ya zotupa za silane yolumikizidwa ndi silayelene yolumikizidwa, polyethylene mu phukusi silinalumikizidwe, kotero palibe vuto lolumikizidwa motero palibe vuto lolumikizidwa motero.
Kuphatikiza apo, pali silanes yophatikizidwa pamsika, yomwe ndi kuphatikiza kwa silane, zomwe ndi antioxidant, mafuta ndi othandizira a mkuwa, ndipo nthawi zambiri amagwiritsidwa ntchito munjira imodzi yolumikizira silning.
Chifukwa chake, mawonekedwe a Silane Cross-yolumikizidwa ndi polyethylee Kumvetsetsa za gawo la zinthu zomwe zimachitika mu mawonekedwe ndi lamulo lomwe limakhudzanso magwiridwe antchito komanso kutengera kwawo.
Mu mitundu yambiri ya zisonyezo, matenda a silane olumikizidwa (mwina awiri kapena gawo limodzi) amadziwika kuti ndi njira zokhazokha zomwe zimachitika potuluka, mitundu ina monga Polyethylene (pe) nthano, njira zopitilira muyeso ndikusakaniza thupi, ngakhale ngati mankhwala ophatikizika ndi matenda ophatikizika, kapena ngati muli ndi chingwe chakumapeto, kapena kuperewera kwa chipika, palibe njira yopangira mankhwala , chifukwa chake, poyerekeza, kupanga kwa zingwe za Silane Cross-chingwe ndi chinsinsi kupembedzera, njira yolamulira ndiyofunika kwambiri.
4. Njira ziwiri za Silane zolumikizidwa ndi polyene
Kupanga kwa polyeneylene yolumikizidwa ndi silaneene-yolumikizidwa ndi zinthu zomwe zingaikidwe ndi chithunzi 1.
Chithunzi 1 chopangidwa ndi polyenelylene yolumikizidwa ndi polyethylene yolumikizira zinthu a
Mfundo zina zazikulu pakupanga chipembedzo cha Silane-cholumikizidwa:
(1) Kuyanika. Monga momwe polyethylene utoto umakhala ndi madzi ochepa, mukamataya kutentha kwambiri, madziwo amayamba kutentha kwambiri ndi magulu a Silyl kuti atulutsemo, zomwe zimachepetsa madzi osungunuka. Zinthu zomalizidwazo zimakhalanso ndi madzi atazizira madzi, zomwe zingayambitsenso kupitiriza ngati sichichotsedwa, ndipo ziyeneranso zouma. Pofuna kuonetsetsa kuti kuyanika, chowuma chakuya chimagwiritsidwa ntchito.
(2) Mitembo. Kulondola kwa kapangidwe kazinthu ndikofunikira, kuchuluka kwa kulemera kwa thupi kumagwiritsidwa ntchito. Kukhazikika kwa polyethylene ndi antioxidant amayesedwa ndikudyetsedwa kudzera padoko la odyetsa, pomwe silane ndi woyambitsa wa silanetor amalowetsedwa ndi minofu ya madzi muyeso.
(3) Kukula. Njira yolumikizira ya Silane imatsirizidwa mu Eltorder. Njira zosinthira za Expreer, kuphatikiza kutentha, kuphatikiza kokhazikika, kukhazikika kotheratu, kuyenera kutsata mfundo zomwe zathetsa thupi , ndipo kuti zinthu zopanda yunifolome zonse mu gawo lachiwiri la Expreer liyenera kuwonongeka ndi kutentha kwa exprical, kutentha kwa exprenter (ldpe) kumawonetsedwa pagome 1.
Gome 1 kutentha kwa magawo awiri a exprerruder
| Malo ogwirira ntchito | Zone 1 | Zone 2 | Zone 3 ① | Zone 4 | Zone 5 |
| Kutentha P ° P | 140 | 145 | 120 | 160 | 170 |
| Malo ogwirira ntchito | Zone 6 | Zone 7 | Zone 8 | Zone 9 | Pamwambo Ife |
| Kutentha ° C | 180 | 190 | 195 | 205 | 195 |
①I pomwe Silane amawonjezeredwa.
Kuthamanga kwa stack screws kumapangitsa nthawi yokhazikika komanso kusakaniza kwa zomwe zili mu Expreer, ngati nthawi yokhazikika imakhala yochepa, kuwola kwa peroxide sikukwanira; Ngati nthawi yokhazikikayo ndi yayitali kwambiri, mafanowo akuwonjezereka. Mwambiri, nthawi yayitali ya granule ya granule mu Expreuder iyenera kuwongoleredwa mu Dongosolo la 5-10 nthawi. Kuthamanga kuthamanga sikungokhala ndi nthawi yopeza pazinthuzo, komanso kusakaniza ndi kunyamula zinthuzo, kusankha kuthamanga koyenera ndikofunikanso.
(4) Kulemba. Zinthu ziwiri zamitundu iwiri ya silane zolumikizidwa ziyenera kunyamula m'matumba ophatikizika a aluminium mu mpweya wowongolera kuti muthetse chinyezi.
5.
Kutulutsa kwa polyeneylene olumikizidwa ndi polyethylene chifukwa cha kukonzekera kwake kuli kotalikirako kutchinga kokhazikika kwa chinsinsi, kotero chinsinsi cha chinsinsi chosinthika chimakhala chokulirapo kuposa njira ziwiri. Ngakhale mawonekedwe a silane a Silane olumikizidwa ndi polyeneylee adawerengedwa bwino pakubalalitsa koyambitsa ilowertor ndi Shane ndi Sheef, njira yolumikizira iyenera kutsimikiziridwa ndi kutentha, komwe ndi polyenethylene wopingasa wa Silane Chomera chotchinga mobwerezabwereza chimatsindika mobwerezabwereza kufunika kwa chisankho choyenera pochotsa kutentha, kutentha kwakukulu kumawonetsedwa mu tebulo 2.
Tebulo 2 Wotsiriza Kutentha Kwambiri Kwambiri (gawo: ℃)
| Dela | Zone 1 | Zone 2 | Zone 3 | Zone 4 | Nyamula | Mutu |
| Kutentha | 160 | 190 | 200 ~ 210 | 220 ~ 230 | 230 | 230 |
Ichi ndi chimodzi mwazinthu zofowoka za polyeneyylene yolumikizidwa, zomwe sizofunikira mukamataya zingwe mbali ziwiri.
Zida 6.
Chida chopanga ndi chitsimikizo chofunikira cha madongosolo. Kupanga kwa zingwe zolumikizidwa ndi Silane kumafuna kuchuluka kwambiri kowongolera kulondola, motero kusankha zida zopanga ndikofunikira kwambiri.
Kupanga kwa polyeney diganes olumikizidwa ndi silane Twin-Screwr Demourder kuti muwonetsetse kuti nthawi yokhazikika, kusankha komwe kumayitanitsidwa popanda kulemera kotsimikizira kuti zosakaniza. Inde pali zambiri mwatsatanetsatane wa zida zomwe zimayenera kupatsidwa chidwi.
Monga tanena kale, gawo lolumikizirana lopangidwa ndi silanelo lolumikizidwa, zida zodula, zodula, chifukwa chake ndikusowa kwa opanga zida zapamwamba ndi njira zofufuzira.
7.1Ilane zachilengedwe zolumikizidwa ndi polyethylee
Silala mwachilengedwe olumikizana ndi polyethylene ogwiritsa ntchito m'zaka zaposachedwa amatha kudutsa pansi pamasiku ochepa, popanda kumiza madzi. Poyerekeza ndi njira yachikhalidwe cha Silane yolumikizirana, nkhaniyi imatha kuchepetsa zopanga zopanga zingwe, zimachepetsa ndalama zambiri zopanga ndikuwonjezera mphamvu yopanga. Silane mwachilengedwe olumikizidwa ndi polyethylene akuwonetsa akuzindikiridwa mokwanira komanso amagwiritsidwa ntchito ndi opanga zingwe.
M'zaka zaposachedwa, ku Silanelylene Homelylene Wolumikizidwa Polythylee, wakhwima ndipo wapangidwa pamiyeso yambiri, ali ndi zabwino zambiri pamtengo poyerekeza ndi zida zoimira kunja.
7. Malingaliro 1 akupanga kwa Silane Cross-testitution
Silala mwachilengedwe olumikizidwa ndi ma polyethylene amapangidwa mu gawo la magawo awiri, ndi mawonekedwe omwewo okhala ndi malo oyambira, woyambitsa, silane, antioxida, polymerist, wothandizira antialst. Kupanga kwa eyane ma pollunguthylene olumikizana kumadalira kuwonjezera kuchuluka kwa nkhaniyo ndikusankha othandizira ogwirira ntchito bwino kwambiri kuposa ma polyenethylene ofunda. Kugwiritsa ntchito zida zokhala ndi kuchuluka kwa kuchuluka kwa zigawo za ku Slune wophatikizika ndi othandizira polyethylene ophatikizika kuti alamikizidwe mwachangu ngakhale kutentha pang'ono komanso kusakwanira.
Zipangizo zomwe zimalowetsedwa, zilango zolumikizidwa mwachilengedwe zimapangidwa ndi ma porlalymations, pomwe a Silane amatha kuwongoleredwa pamlingo waukulu, pomwe kupanga mizu ya Silane kumatha kuwongoleredwa pamlingo waukulu, pomwe kupanga zigawo zomata kwambiri polumikiza Silane ndizovuta. Chotsitsira, oyambitsa, woyambitsa ndi Silane adagwiritsidwa ntchito mu Chinsinsi ayenera kukhala osiyanasiyana ndikusinthidwa mogwirizana ndi mitundu yosiyanasiyana.
Kusankhidwa kwa kukana kwa Mlingo wake ndikofunikira, chifukwa kuchuluka kwa kulumikiza kwa Silane kumabweretsa kuphatikizika kwa CC. Pofuna kukonza madzi osinthasintha komanso mawonekedwe a zinthu zomwe zimachitika chifukwa chobwezeretsedwa, kuchuluka kwa polymerization inrobitor kuyika moyenera kumalepheretsa cc postring.
Kuphatikiza apo, ma catalysts amatenga gawo lofunikira pakuwonjezera mtanda wopingasa ndikuyenera kusankhidwa kukhala othandizira okwanira omwe ali ndi zinthu zopanda zitsulo zomasulira.
7. 2 Nthawi yolotera ya Silane mosiyanasiyana mwachilengedwe Turuthylee
Nthawi yofunikira kuti mumalize kulumikizidwa ndi zilango za Silane zomwe zimalumikizidwa munthawi yake zachilengedwe zimadalira kutentha, chinyezi komanso makulidwe a kusanja. Kutentha kwambiri ndi chinyezi, chowonda chakumaso, nthawi yochepa kwambiri yofunikira, komanso motalikirapo. Pamene kutentha ndi chinyezi kumasiyanasiyana kuchokera kudera kupita kudera komanso nyengo ndi nyengo, ngakhale m'malo omwewo, kutentha ndi chinyezi lero ndipo mawa likhala losiyana. Chifukwa chake, pakugwiritsa ntchito zinthuzo, wogwiritsa ntchito ayenera kudziwa nthawi yolumikizirana molingana ndi kutentha kwa komweko komanso kolimba komanso chinyezi komanso chinyezi cha kusamba.
Post Nthawi: Aug-13-2022