Polycarbonate (PC) yog ib qho ntawm ntau yam engineering thermoplastics siv nyob rau hauv tsheb lo ntsiab muag, cov neeg siv khoom siv hluav taws xob, tsom iav, thiab cov iav tiv thaiv. Nws muaj kev cuam tshuam lub zog, qhov pom kev pom tseeb, thiab qhov ruaj khov ntawm qhov ntev ua rau nws zoo tagnrho rau kev thov kev thov. Txawm li cas los xij, qhov tsis zoo uas paub zoo ntawm PC yog nws qhov tsis zoo ntawm qhov tawv, uas ua rau muaj kev khawb tsis zoo thiab hnav tsis kam - tshwj xeeb tshaj yog nyob rau hauv kev sib cuag tsis tu ncua lossis abrasive.
Yog li, yuav ua li cas cov tuam txhab tsim kho qhov chaw durability ntawm PC yam tsis muaj kev cuam tshuam nws cov pob tshab lossis cov khoom siv tshuab? Cia peb tshawb nrhiav ntau yam kev daws teeb meem zoo thiab cov txheej txheem kev lag luam-validated los kov yeej cov teeb meem no.
Kev daws: Muab cov txheej txheem ua kom zoo dua qub thiab kev hloov kho vaj tse saum npoo nrog cov cuab yeej tiv thaiv siab heev.
1. Silicone-based Additives: Internal lubrication
Kev koom ua ke nrog cov khoom siv ua haujlwm siab, xws li polydimethylsiloxane (PDMS) lossis siloxane-based masterbatches zoo li Dow MB50-001, Wacker GENIOPLAST, thiab SILIKE Silicone Masterbatch LYSI-413, rau hauv polycarbonate (PC) formulations tuaj yeem txhim kho cov khoom siv tau zoo. Los ntawm kev siv cov additives ntawm qhov chaw thau khoom ntawm 1-3%, koj tuaj yeem txo qhov coefficient ntawm kev sib txhuam, uas txhim kho ob qho tib si khawb thiab hnav ua haujlwm ntev.
Cov txiaj ntsig tseem ceeb: Cov khoom siv silicone no, raws li PC ua cov khoom siv ntxiv thiab hloov kho, tsis tsuas yog khaws cia qhov pom tseeb ntawm PC tab sis kuj txhawb nqa lubricity saum npoo. Qhov no ua rau muaj qhov txo qis hauv qhov kev puas tsuaj thaum lub sij hawm sib cuag abrasive, thaum kawg ua rau cov khoom zoo dua qub.
Tswv yim tswv yim: Txhawm rau kom pom kev ua tau zoo, nws yog ib qho tseem ceeb kom ua tiav qhov kev faib tawm kom zoo los ntawm ntxaib-ntsia hlau extrusion, uas pab tiv thaiv theem kev sib cais thiab ua kom muaj txiaj ntsig zoo ntawm cov khoom ntxiv.
Chengdu SILIKE Technology Co., Ltd yog lub chaw tsim khoom hauv Suav tebsilicone additives rau hloov cov yas. Lub tuam txhab muab cov kev daws teeb meem tshiab tsim los txhim kho kev ua tau zoo thiab kev ua haujlwm ntawm ntau yam ntaub ntawv yas. Ib qho ntawm lawv cov khoom muag muag yog covSILIKE Silicone Masterbatch LYSI-413,pelletized formulation zoo heev uas muaj 25% ultra-siab molecular hnyav siloxane polymer dispersed nyob rau hauv polycarbonate (PC). Qhov no silicone-raws li additive yog tshwj xeeb tshaj yog zoo rau PC-compatible resin systems. Nws txhim kho cov khoom ua haujlwm thiab qhov zoo ntawm qhov chaw los ntawm kev txhim kho cov flowability ntawm cov resin, yooj yim pwm filling thiab tso tawm, txo extruder torque, txo cov coefficient ntawm kev sib txhuam, thiab muab superior mar thiab abrasion kuj. Tsis tas li ntawd, qhov no siloxane-based masterbatch ua haujlwm raws li cov khoom siv los tiv thaiv khawb, ua rau nws yog ib qho kev daws teeb meem zoo rau kev ua kom khawb tsis kam ntawm cov khoom PC thiab thaum kawg txhim kho lawv cov kev ua tau zoo thiab kav ntev.
2. UV-Curable Hard Coatings nrog Nanotechnology
Siv cov txheej txheem siloxane-based lossis hybrid organic-inorganic nyuaj txheej (xws li Momentive SilFORT AS4700 lossis PPG's DuraShield). Cov txheej txheem no ua tiav cov cwj mem hardness txog 7H-9H, txhim kho kev khawb tsis kam.
Muab cov txheej txheem UV-kho tau nrog nanoparticles (piv txwv li, silica lossis zirconia) txhawm rau txhawm rau txhawm rau tiv thaiv kev puas tsuaj.
Cov txiaj ntsig: Muab kev tiv thaiv kev tiv thaiv kev khawb, tshuaj lom neeg, thiab UV degradation, zoo tagnrho rau kev siv kho qhov muag thiab tsheb.
Daim ntawv thov: Siv dip-txheej, tshuaj tsuag-txheej, lossis ntws-txheej txheej rau cov tuab tuab (5-10 µm).
3. Nanocomposite Reinforcement
Ntxiv nanofillers zoo li nanosilica, alumina, lossis graphene oxide (0.5-2% los ntawm qhov hnyav) rau PC matrix. Cov no ua rau kom tawv tawv thiab txhim kho hnav tsis kam tsis cuam tshuam rau pob tshab yog tias qhov loj me yog <40 nm.
Piv txwv li: Kev tshawb fawb qhia 1% nanosilica hauv PC tuaj yeem txhim kho Taber abrasion tsis kam los ntawm 20-30%.
Tswv yim: Siv cov compatibilizers (xws li, silane coupling agents) kom ntseeg tau tias muaj kev sib cais tsis sib xws thiab tsis txhob muaj kev sib txuam.
4. PC Blends rau Balanced Performance
Blend PC nrog PMMA (10-20%) los txhim kho qhov tawv tawv los yog nrog PBT rau kev txhim kho toughness thiab hnav tsis kam. Cov no sib npaug sib npaug khawb tiv thaiv nrog PC qhov cuam tshuam lub zog.
Piv txwv li: Lub PC / PMMA sib xyaw nrog 15% PMMA tuaj yeem ua kom tawv tawv thaum khaws cia kom pom tseeb rau cov ntawv thov.
Ceeb toom: Ua kom zoo sib xyaw ua ke kom tsis txhob cuam tshuam PC lub thermal stability lossis toughness.
5. Advanced Surface Modification Techniques
Plasma Treatment: Siv plasma-enhanced chemical vapor deposition (PECVD) kom tso cov txheej nyias, tawv tawv zoo li silicon oxynitride (SiOxNy) rau ntawm qhov chaw PC. Qhov no txhim kho khawb tsis kam thiab hnav cov khoom.
Laser Texturing: Tsim micro- los yog nano-scale textures ntawm PC nto kom txo tau qhov chaw sib cuag thiab diffuse khawb, txhim kho kom zoo nkauj durability.
Cov txiaj ntsig: Texturing tuaj yeem txo qhov pom kev khawb txog li 40% hauv cov ntawv thov kev sib cuag.
6. Kev sib txuas ntxiv rau kev sib koom ua ke
Muab cov khoom siv silicone nrog rau lwm cov khoom siv ntxiv xws li PTFE (polytetrafluoroethylene) micropowders (0.5-1%) rau kev sib koom ua ke. PTFE txhim khu lubricity, thaum silicone txhim kho hnav tsis kam.
Piv txwv li: Ib qho kev sib xyaw ntawm 2% silicone masterbatch thiab 0.5% PTFE tuaj yeem txo tus nqi hnav los ntawm 25% hauv kev siv zawv zawg.
7. Optimized ua tej yam kev mob:
Siv high-shear compounding rau uniformly disperse additives thiab fillers. Khaws PC ua haujlwm kub (260-310 ° C) kom tsis txhob degradation.
Siv cov txheej txheem molding precision (piv txwv li, txhaj tshuaj molding nrog polished pwm) kom txo qis qhov tsis xws luag uas tuaj yeem pib khawb.
Anneal molded qhov chaw ntawm 120-130 ° C los txo cov kev ntxhov siab sab hauv, txhim kho kev hnav ntev ntev.
Innovation Watch: Kev Kho Tus Kheej thiab DLC Coatings on the Rise
Cov thev naus laus zis tshiab xws li cov txheej txheem kho tus kheej (raws li polyurethane lossis siloxane chemistry) thiab pob zeb diamond zoo li carbon (DLC) txheej muab cov kev daws teeb meem yav tom ntej rau ultra-durable, high-touch PC applications. Txawm hais tias tseem muaj nqi txwv rau cov khoom lag luam loj, cov thev naus laus zis no qhia cov lus cog tseg hauv cov khoom siv hluav taws xob zoo nkauj, tsheb, thiab aerospace.
Txoj Kev Pom Zoo rau Kev Ua Haujlwm Zoo Tshaj Plaws hauv Engineering Thermoplastics
Rau cov tuam txhab nrhiav cov tswv yim, scalable daws los txhim kho PC nto durability, peb pom zoo:
1)2% UHMW Silicone Additive rau hauv lubricity
2) Siloxane-raws li UV txheej + 1% Nano Silica rau qhov tawv tawv
3) Micro-Texturing ntawm Laser Molding los nkaum khawb
Qhov no peb-pronged mus kom ze muab ib tug sib npaug ntawm tus nqi-efficiency, ua compatibility, thiab kev ua tau zoo, ua rau nws zoo tagnrho rau cov khoom raug rau hnav txhua hnub thiab xav tau kev zoo nkauj ntev ntev.
Kev lag luam pov thawj
Raws li tsab ntawv tshaj tawm xyoo 2024 los ntawm MarketsandMarkets, lub ntiaj teb cov txheej txheem tawv tawv ua lag luam tau kwv yees ntau dua $ 1.3 nphom los ntawm 2027, tau tsav los ntawm kev xav tau ntau ntxiv rau cov khoom siv khawb-resistant plastics hauv tsheb, cov khoom siv mobile, thiab cov khoom siv kho qhov muag. Cov khoom tsim tawm thiab cov khoom sib xyaw ua ke sib xyaw ua ke ntau cov khoom siv ntxiv thiab nano-fillers yog qhov chaw zoo los ua cov tiam tom ntej ntawm cov khoom siv PC ruaj khov.
Npaj los txhawb koj cov yas engineering xws li PC nrog kev khawb zoo dua thiab hnav tsis kam?
Tshawb nrhiav SILIKEyas additivescov kev daws teeb meem uas txhim kho kev ua thiab cov khoom nto kom tau raws li koj qhov kev xav tau ntev.
For further information, please visit our website at www.siliketech.com, or contact us at Tel: +86-28-83625089 or via email at amy.wang@silike.cn. we provide siv tau cov kev daws teeb meem plastics.
Lub sij hawm xa tuaj: Plaub Hlis-02-2025
