Xov xwm

"Metallocene" yog hais txog cov organic hlau sib koom ua ke uas tsim los ntawm cov hlau hloov pauv (xws li zirconium, titanium, hafnium, thiab lwm yam) thiab cyclopentadiene. Polypropylene synthesized nrog metallocene catalysts hu ua metallocene polypropylene (mPP).

Cov khoom Metallocene polypropylene (mPP) muaj kev ntws ntau dua, cua sov ntau dua, kev thaiv ntau dua, qhov pom tseeb thiab pob tshab tshwj xeeb, tsw qab tsawg dua, thiab muaj peev xwm siv tau hauv Fibers, Cast Film, Injection Molding, Thermoforming, Medical, thiab lwm yam. Kev tsim cov metallocene polypropylene (mPP) muaj ntau kauj ruam tseem ceeb, suav nrog kev npaj catalyst, polymerization, thiab post-processing.

1. Kev Npaj Tshuaj Catalyst:

Kev Xaiv Cov Tshuaj Metallocene Catalyst: Kev xaiv cov tshuaj metallocene catalyst yog qhov tseem ceeb heev rau kev txiav txim siab txog cov khoom ntawm mPP uas tshwm sim. Cov tshuaj catalysts no feem ntau cuam tshuam nrog cov hlau hloov pauv, xws li zirconium lossis titanium, uas nyob nruab nrab ntawm cyclopentadienyl ligands.

Ntxiv Cocatalyst: Cov tshuaj catalysts Metallocene feem ntau siv ua ke nrog cocatalyst, feem ntau yog cov khoom siv ua los ntawm txhuas. Tus cocatalyst ua kom cov tshuaj catalyst metallocene ua haujlwm, ua rau nws pib ua cov tshuaj polymerization.

2. Kev ua polymerization:

Kev Npaj Khoom Noj: Propylene, lub monomer rau polypropylene, feem ntau yog siv ua cov khoom noj tseem ceeb. Cov propylene raug ntxuav kom tshem tawm cov khoom tsis huv uas yuav cuam tshuam rau cov txheej txheem polymerization.

Kev Teeb tsa Reactor: Qhov kev sib xyaw ua ke tshwm sim hauv lub reactor nyob rau hauv cov xwm txheej tswj hwm zoo. Lub reactor teeb tsa suav nrog cov metallocene catalyst, cocatalyst, thiab lwm yam additives xav tau rau cov khoom polymer xav tau.

Cov Kev Mob Polymerization: Cov xwm txheej ntawm cov tshuaj tiv thaiv, xws li kub, siab, thiab lub sijhawm nyob, raug tswj hwm kom zoo kom ntseeg tau tias qhov hnyav molecular thiab cov qauv polymer xav tau. Cov tshuaj catalysts metallocene ua rau muaj kev tswj hwm zoo dua ntawm cov kev ntsuas no piv rau cov tshuaj catalysts ib txwm muaj.

3. Kev sib xyaw ua ke (Xaiv tau):

Kev Koom Ua Ke ntawm Co-monomers: Qee zaum, mPP yuav raug copolymerized nrog lwm cov monomers los hloov nws cov khoom. Cov co-monomers feem ntau suav nrog ethylene lossis lwm yam alpha-olefins. Kev koom ua ke ntawm co-monomers tso cai rau kev hloov kho ntawm cov polymer rau cov ntawv thov tshwj xeeb.

4. Kev Txiav thiab Kev Tua Hluav Taws Xob:

Kev Txiav Txim Siab Txog Kev Sib Tshuam: Thaum qhov kev sib xyaw ua ke tiav lawm, qhov kev sib xyaw ua ke yuav raug txiav txim siab. Qhov no feem ntau ua tiav los ntawm kev qhia txog tus neeg sawv cev txiav txim siab uas cuam tshuam nrog cov kawg ntawm cov saw hlau polymer, thiab tiv thaiv kev loj hlob ntxiv.

Kev Tua Kab: Cov polymer ces raug txias sai sai los yog tua kab kom tiv thaiv kev ua xua ntxiv thiab kom cov polymer khov.

5. Kev Rov Qab Los Ntawm Polymer Thiab Kev Ua Tom Qab:

Kev Sib Cais Polymer: Cov polymer raug sib cais ntawm cov tshuaj sib xyaw. Cov monomers tsis tau sib xyaw, cov catalyst residues, thiab lwm yam khoom seem raug tshem tawm los ntawm ntau txoj kev sib cais.

Cov Kauj Ruam Tom Qab Ua Haujlwm: Lub mPP yuav raug ua cov kauj ruam ua haujlwm ntxiv, xws li extrusion, compounding, thiab pelletization, kom ua tiav cov duab thiab cov khoom xav tau. Cov kauj ruam no kuj tso cai rau kev siv cov khoom ntxiv xws li cov neeg sawv cev slip, antioxidants, stabilizers, nucleating agents, colorants, thiab lwm yam khoom ntxiv rau kev ua haujlwm.

Kev Txhim Kho mPP: Kev Tshawb Fawb tob rau hauv Lub Luag Haujlwm Tseem Ceeb ntawm Kev Ua Cov Khoom Ntxiv

Cov Neeg Sawv Cev Rau Kev NcabCov tshuaj zawv zawg, xws li cov roj amides ntev, feem ntau raug ntxiv rau mPP kom txo qhov kev sib txhuam ntawm cov saw polymer, tiv thaiv kev lo thaum lub sijhawm ua. Qhov no pab txhim kho cov txheej txheem extrusion thiab molding.

Cov Tshuaj Txhim Kho Kev Nqus Dej:Cov tshuaj ua kom cov dej ntws zoo dua lossis cov tshuaj pab ua cov khoom siv, xws li polyethylene waxes, yog siv los txhim kho cov dej ntws ntawm mPP. Cov tshuaj ntxiv no txo ​​cov viscosity thiab txhim kho lub peev xwm ntawm polymer los sau cov qhov pwm, ua rau muaj kev ua haujlwm zoo dua.

Cov tshuaj antioxidants:

Cov Khoom Ruaj Kho: Cov tshuaj antioxidants yog cov khoom ntxiv tseem ceeb uas tiv thaiv mPP ntawm kev puas tsuaj thaum lub sijhawm ua. Cov phenols thiab phosphites uas raug cuam tshuam yog cov khoom ruaj khov uas feem ntau siv uas tiv thaiv kev tsim cov free radicals, tiv thaiv kev puas tsuaj thermal thiab oxidative.

Cov Neeg Sawv Cev Nucleating:

Cov tshuaj nucleating, xws li talc lossis lwm yam inorganic compounds, raug ntxiv rau los txhawb kev tsim cov qauv crystalline uas muaj kev txiav txim zoo dua hauv mPP. Cov tshuaj ntxiv no txhim kho cov khoom siv kho tshuab ntawm cov polymer, suav nrog kev tawv thiab kev tiv taus kev cuam tshuam.

Cov Xim:

Cov Xim thiab Cov Xim Zis: Cov xim feem ntau raug muab tso rau hauv mPP kom tau cov xim tshwj xeeb hauv cov khoom kawg. Cov xim thiab cov xim zas raug xaiv raws li cov xim xav tau thiab cov kev xav tau ntawm kev siv.

Cov Kev Hloov Kho Kev Cuam Tshuam:

Cov Elastomers: Hauv cov ntawv thov uas qhov kev tiv taus kev cuam tshuam yog qhov tseem ceeb, cov khoom hloov kho kev cuam tshuam xws li roj hmab ethylene-propylene yuav raug ntxiv rau mPP. Cov khoom hloov kho no txhim kho qhov tawv ntawm cov polymer yam tsis muaj kev txi lwm yam khoom.

Cov Khoom Sib Xws:

Cov Tshuaj Maleic Anhydride Grafts: Cov tshuaj sib xws yuav siv tau los txhim kho qhov sib xws ntawm mPP thiab lwm yam polymers lossis cov khoom ntxiv. Piv txwv li, Maleic anhydride grafts tuaj yeem txhim kho qhov sib txuas ntawm cov khoom sib txawv polymer.

Cov Tshuaj Tiv Thaiv Kev Ncab thiab Kev Thaiv:

Cov Tshuaj Pleev: Ntxiv rau kev txo qhov kev sib txhuam, cov tshuaj pleev kuj tseem tuaj yeem ua haujlwm ua cov tshuaj tiv thaiv kev thaiv. Cov tshuaj tiv thaiv kev thaiv tiv thaiv kev lo rau ntawm zaj duab xis lossis daim ntawv thaum lub sijhawm khaws cia.

(Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov khoom siv tshwj xeeb uas siv rau hauv mPP formulation tuaj yeem sib txawv raws li daim ntawv thov, cov xwm txheej ua tiav, thiab cov khoom siv xav tau. Cov chaw tsim khoom ua tib zoo xaiv cov khoom siv no kom ua tiav qhov kev ua tau zoo tshaj plaws hauv cov khoom kawg. Kev siv cov metallocene catalysts hauv kev tsim cov mPP muab qib ntxiv ntawm kev tswj hwm thiab kev ua kom raug, tso cai rau kev koom ua ke ntawm cov khoom siv hauv txoj hauv kev uas tuaj yeem kho kom zoo kom ua tau raws li cov kev xav tau tshwj xeeb.)

Kev Qhib Kev Ua Haujlwm Zoo丨Cov Kev Daws Teeb Meem Tshiab rau mPP: Lub Luag Haujlwm ntawm Cov Khoom Siv Ua Haujlwm Tshiab, Yam uas cov chaw tsim khoom mPP yuav tsum paub!

mPP tau tshwm sim los ua ib qho polymer tshiab, muaj cov yam ntxwv zoo dua thiab kev ua tau zoo dua hauv ntau yam kev siv. Txawm li cas los xij, qhov zais cia tom qab nws txoj kev vam meej tsis yog nyob rau hauv nws cov yam ntxwv xwb tab sis kuj nyob rau hauv kev siv cov khoom siv ua tiav siab heev.

SILIMER 5091qhia txog txoj hauv kev tshiab los txhawb kev ua haujlwm ntawm metallocene polypropylene, muab lwm txoj hauv kev zoo rau cov khoom ntxiv PPA ib txwm muaj, thiab cov kev daws teeb meem los tshem tawm cov khoom ntxiv fluorine raws li PFAS cov kev txwv.

SILIMER 5091yog ib qho Fluorine-Free Polymer Processing Additive rau extrusion ntawm cov khoom polypropylene nrog PP ua tus cab kuj tsim los ntawm SILIKE. Nws yog ib qho khoom siv organic hloov kho polysiloxane masterbatch, uas tuaj yeem tsiv mus rau cov khoom siv ua haujlwm thiab muaj cov nyhuv thaum lub sijhawm ua haujlwm los ntawm kev siv qhov zoo ntawm cov nyhuv pib lubrication ntawm polysiloxane thiab cov nyhuv polarity ntawm cov pab pawg hloov kho. Ib qho me me ntawm cov tshuaj tuaj yeem txhim kho qhov fluidity thiab processability, txo cov drool tuag thaum lub sijhawm extrusion, thiab txhim kho qhov tshwm sim ntawm daim tawv nqaij ntses, siv dav los txhim kho lubrication thiab cov yam ntxwv ntawm cov yas extrusion.

Thaum twgPFAS-Tsis Muaj Polymer Processing Aid (PPA) SILIMER 5091yog koom ua ke rau hauv metallocene polypropylene (mPP) matrix, nws txhim kho cov dej ntws ntawm mPP, txo cov kev sib txhuam ntawm cov saw polymer, thiab tiv thaiv kev lo thaum lub sijhawm ua. Qhov no pab txhim kho cov txheej txheem extrusion thiab molding, pab txhawb cov txheej txheem ntau lawm du thiab pab txhawb rau kev ua haujlwm zoo.

Pov tseg koj cov khoom siv ua khoom qub,SILIKE Fluorine-dawb PPA SILIMER 5091yog yam koj xav tau!