Tso tus neeg sawv cevyog cov khoom siv ua haujlwm uas ua haujlwm ntawm cov pwm thiab cov khoom tiav. Cov neeg tso tawm yog cov tshuaj tiv thaiv thiab tsis yaj thaum sib cuag nrog cov khoom sib txawv ntawm cov tshuaj (tshwj xeeb yog styrene thiab amines). Lawv kuj muaj cua sov thiab kev ntxhov siab, ua rau lawv tsis tshua muaj kev puas tsuaj lossis hnav tawm. Cov neeg ua haujlwm tso tawm ua raws li cov pwm yam tsis hloov mus rau qhov chaw ua haujlwm, kom ntseeg tau tias lawv tsis cuam tshuam nrog kev pleev xim lossis lwm yam kev ua haujlwm thib ob. Nrog rau kev loj hlob sai ntawm cov txheej txheem xws li kev txhaj tshuaj molding, extrusion, calendering, compression molding, thiab laminating, kev siv cov tshuaj tso tawm tau nce ntxiv. Hauv cov ntsiab lus yooj yim, tus neeg sawv cev tso tawm yog txheej txheej txheej siv rau qhov chaw ntawm ob yam khoom uas nyiam lo ua ke. Nws tso cai rau cov chaw sib cais yooj yim, nyob twj ywm, thiab huv si.
Daim Ntawv Thov Kev Tso Tawm
Tso cov neeg sawv cevyog dav siv nyob rau hauv ntau yam molding ua hauj lwm, xws li hlau tuag-casting, polyurethane ua npuas ncauj thiab elastomers, fiberglass-reinforced plastics, txhaj-molded thermoplastics, nqus-tsim nplooj ntawv, thiab extruded profiles. Nyob rau hauv molding, lwm yam yas additives xws li plasticizers tej zaum migrate mus rau lub interface. Hauv cov xwm txheej zoo li no, yuav tsum muaj tus neeg sawv cev tso tawm saum npoo los tshem tawm lawv.
Classification of Release Agents
Los ntawm kev siv:
Internal tso tus neeg sawv cev
Sab nraud tso tus neeg sawv cev
Los ntawm durability:
Cov pa tso tawm cov neeg ua haujlwm
Semi-permanent tso tawm cov neeg sawv cev
Los ntawm daim ntawv:
Cov kuab tshuaj raws li kev tso tawm
Cov tshuaj tua kab mob hauv dej
Solvent-free release agents
Cov tshuaj tso tawm hmoov
Muab cov tshuaj tso tawm
Los ntawm active tshuaj:
① Silicone series - feem ntau yog siloxane compounds, silicone roj, silicone resin methyl branched silicone roj, methyl silicone roj, emulsified methyl silicone roj, hydrogen-muaj methyl silicone roj, silicone roj, silicone resin, silicone roj hmab, silicone roj hmab toluene tov.
② Wax series - nroj tsuag, tsiaj txhu, hluavtaws paraffin; microcrystalline paraffin; polyethylene wax, thiab lwm yam.
③ Fluorine series - kev sib cais zoo tshaj plaws, tsis tshua muaj pwm paug, tab sis tus nqi siab: polytetrafluoroethylene; fluororesin hmoov; fluororesin txheej, thiab lwm yam.
④ Surfactant series - hlau xab npum (anionic), EO, PO derivatives (nonionic)
⑤ Inorganic hmoov series - talc, mica, kaolin, av nplaum dawb, thiab lwm yam.
⑥ Polyether series - polyether thiab fatty oil mixs, zoo tshav kub thiab tshuaj tiv thaiv, feem ntau yog siv nyob rau hauv tej yam roj hmab industries nrog silicone roj hmab txwv. Tus nqi siab dua piv rau silicone roj series.
Kev ua tau zoo yuav tsum muaj rau cov neeg tso tawm
Kev ua haujlwm ntawm tus neeg sawv cev tso tawm yog kom sib cais cov khoom kho, molded los ntawm cov pwm, uas ua rau muaj qhov sib luag thiab txawm tias nto ntawm cov khoom thiab ua kom cov pwm tuaj yeem siv ntau zaus. Cov kev xav tau kev ua haujlwm tshwj xeeb yog raws li hauv qab no:
Tso Tawm Khoom (Lubricity):
Tus neeg sawv cev tso tawm yuav tsum tsim cov yeeb yaj kiab nyias nyias thiab xyuas kom meej tias txawm tias cov khoom zoo li cov molded muaj qhov ntev.
Zoo Tshaj Tawm Durability:
Tus neeg sawv cev tso tawm yuav tsum tswj hwm nws cov txiaj ntsig ntawm kev siv ntau yam tsis tas yuav tsum tau rov ua dua tshiab.
Smooth thiab Aesthetic Surface:
Cov khoom molded saum npoo yuav tsum du thiab zoo nkauj, tsis nyiam cov plua plav vim qhov nplaum ntawm tus neeg tso tawm.
Zoo heev Post-Processing Compatibility:
Thaum tus neeg sawv cev tso tawm hloov mus rau cov khoom molded, nws yuav tsum tsis txhob cuam tshuam rau cov txheej txheem tom ntej xws li electroplating, kub stamping, luam ntawv, txheej, lossis kev sib txuas.
Yooj yim ntawm kev thov:
Tus neeg sawv cev tso tawm yuav tsum yooj yim rau kev thov tusyees thoob plaws pwm nto.
Thaum tshav kub kub Resistance:
Tus neeg sawv cev tso tawm yuav tsum tiv taus qhov kub siab koom nrog hauv cov txheej txheem molding yam tsis muaj degrading.
Stain Resistance:
Tus neeg sawv cev tso tawm yuav tsum tiv thaiv kev kis kab mob lossis staining ntawm cov khoom molded.
Zoo Moldability thiab High Production Efficiency:
Tus neeg sawv cev tso tawm yuav tsum pab txhawb cov txheej txheem molding thiab pab txhawb kev ua haujlwm siab.
Kev ruaj ntseg zoo:
Thaum siv nrog lwm cov khoom siv ntxiv thiab cov khoom siv, tus neeg sawv cev tso tawm yuav tsum muaj lub cev thiab tshuaj lom neeg ruaj khov.
Tsis-Flammability, Tsis tshua muaj ntxhiab tsw, thiab tsawg toxicity:
Tus neeg sawv cev tso tawm yuav tsum tsis muaj hluav taws kub, tawm cov ntxhiab tsw, thiab tsis muaj tshuaj lom kom muaj kev nyab xeeb thiab kev nplij siab rau cov neeg ua haujlwm.
Tiv tauj peb rau Tus Neeg Tso Cai Tso Tawm.
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Post lub sij hawm: Jun-07-2024
