Cov khoom sib xws tau ua pov thawj tias muaj txiaj ntsig zoo hauv kev txhim kho cov khoom tseem ceeb xws li kev sib npaug ntawm kev cuam tshuam / kev sib npaug ntawm PCR thiab PIR sib xyaw ntawm polyolefins thiab lwm yam yas. #kev txhim kho kom ruaj khov
Cov qauv HDPE/PP rov ua dua tshiab uas tsis muaj Dow Engage compatibilizer (sab saud) thiab cov qauv HDPE/PP rov ua dua tshiab nrog Engage POE compatibilizer. Kev sib xws ua rau elongation thaum tawg ntawm 130% mus rau 450%. (Duab: Dow Chemical)
Thaum kev siv cov yas rov ua dua tshiab los ua kev lag luam thoob ntiaj teb uas tab tom loj hlob, cov resins thiab cov khoom ntxiv uas sib xws tau siv ntau zuj zus los daws cov teeb meem hybrid resin hauv cov chaw xws li kev ntim khoom thiab cov khoom siv rau cov neeg siv khoom, kev tsim kho, kev ua liaj ua teb thiab tsheb. Kev txhim kho kev ua tau zoo ntawm cov khoom siv, kev txhim kho kev ua tiav thiab kev txo cov nqi thiab kev cuam tshuam rau ib puag ncig yog cov teeb meem tseem ceeb, nrog rau cov yas siv rau cov neeg siv khoom xws li polyolefins thiab PET ua tus thawj coj.
Ib qho teeb meem loj rau kev siv cov khoom siv rov ua dua tshiab yog kev sib cais cov yas tsis sib xws uas kim thiab siv sijhawm ntau. Los ntawm kev tso cai rau cov yas tsis sib xws kom yaj sib xyaw, cov khoom sib xws pab txo qhov xav tau kev sib cais thiab ua rau cov chaw tsim khoom siv tsim cov khoom zoo dua, tib lub sijhawm nce cov khoom siv rov ua dua tshiab thiab nkag mus rau cov chaw tshiab zoo thiab pheej yig kom txo cov nqi.
Cov khoom siv rov ua dua tshiab no suav nrog cov polyolefin elastomers tshwj xeeb, styrenic block copolymers, cov polyolefins uas tau hloov kho tshuaj, thiab cov khoom ntxiv uas ua los ntawm titanium aluminium chemistry. Lwm yam kev tsim kho tshiab kuj tau tshwm sim. Txhua yam yuav tsum tau ua lub hauv paus ntawm cov kev nthuav qhia kev lag luam tom ntej.
Raws li Dow, Engage POE thiab Infuse OBC yog qhov zoo tshaj plaws rau HDPE, LDPE thiab LLDPE sib xws nrog polypropylene vim yog PE backbone thiab alpha olefins ua comonomers. (Duab: Dow Chemical)
Cov polyolefin elastomers tshwj xeeb (POE) thiab polyolefin plastomers (POP), thawj zaug tau qhia los txhim kho cov khoom ntawm polyolefins xws li kev cuam tshuam thiab lub zog tensile, tau hloov zuj zus los ua cov khoom sib xws rau PE thiab PP rov ua dua tshiab, qee zaum kuj siv nrog lwm cov ntaub ntawv xws li PET lossis nylon.
Cov khoom no suav nrog Dow's Engage POE, ib qho OBC-infused ethylene-alpha-olefin comonomer random copolymer, ib qho tawv-mos block alternating olefin copolymer, thiab Exxon Mobil Vistamaxx Propylene-Ethylene thiab Exact Ethylene-Octene POP.
Cov khoom no raug muag rau cov neeg ua khoom siv rov ua dua tshiab / cov neeg sib xyaw thiab lwm cov neeg rov ua dua tshiab, Jesús Cortes, tus tsim kev lag luam ntawm ExxonMobil Product Solutions tau hais, sau tseg tias kev sib xws tuaj yeem yog ib qho cuab yeej los pab cov neeg rov ua dua tshiab siv cov khoom siv sib kis thiab cov neeg sawv cev tseem ceeb uas pheej yig rau cov kwj deg polyolefin. Han Zhang, Tus Thawj Coj ntawm Kev Ruaj Ntseg Thoob Ntiaj Teb rau Kev Ntim Khoom thiab Cov Plastics Tshwj Xeeb ntawm Lub Tuam Txhab Dow Chemical, tau hais tias: "Peb cov neeg siv khoom tau txais txiaj ntsig los ntawm kev tsim cov khoom lag luam zoo dua nrog kev nkag mus rau cov kwj deg rov ua dua tshiab dav dua. Peb pabcuam cov processors uas siv cov compatibilizers los ua kom cov ntsiab lus rov ua dua tshiab thaum tswj kev tsim khoom."
"Peb cov neeg siv khoom tau txais txiaj ntsig los ntawm kev tsim cov khoom zoo dua thaum tseem muaj kev nkag mus rau cov kwj deg rov ua dua tshiab dav dua."
ExxonMobil' Cortés tau lees paub tias cov qib Vistamaxx thiab Exact uas tsim nyog rau kev hloov kho cov roj hmab tshiab kuj tseem siv tau los xyuas kom meej tias muaj kev sib raug zoo nrog cov yas rov ua dua tshiab. Nws tau hais tias cov polymers Vistamaxx ua rau HDPE, LDPE thiab LLDPE sib xws nrog polypropylene, ntxiv tias vim yog qhov polarity ntawm cov polymers xws li PET lossis nylon, Vistamaxx qib grafting yog qhov yuav tsum tau ua kom polyolefins sib xws nrog cov polymers no. "Piv txwv li, peb tau ua haujlwm nrog ntau tus neeg sib xyaw ua ke los graft Vistamaxx los ua kom polyolefins sib xws nrog nylon thaum lub hom phiaj kom tswj tau qhov kev txhim kho kev ua tau zoo uas Vistamaxx polymers tuaj yeem coj los rau cov qauv sib xyaw."
Mov. 1 daim ntawv qhia MFR qhia cov xim sib xyaw ntawm HDPE rov ua dua tshiab thiab polypropylene nrog thiab tsis muaj Vistamaxx additive. (Tau los ntawm: ExxonMobil)
Kev sib raug zoo tuaj yeem lees paub los ntawm cov khoom siv kho tshuab zoo dua, xws li kev tiv thaiv kev cuam tshuam zoo heev, raws li Cortez. Kev nce qib ntawm kev ua kua kuj tseem ceeb thaum siv cov ntaub ntawv rov qab. Ib qho piv txwv yog kev tsim cov tshuaj txhaj tshuaj rau HDPE lub raj mis ntws. Nws sau tseg tias txhua yam elastomers tshwj xeeb muaj niaj hnub no muaj lawv cov kev siv. "Lub hom phiaj ntawm kev sib tham tsis yog los sib piv lawv cov kev ua tau zoo tag nrho, tab sis los xaiv cov cuab yeej zoo tshaj plaws rau ib qho project tshwj xeeb."
Piv txwv li, nws hais tias, "Thaum PE sib xws nrog PP, peb ntseeg tias Vistamaxx muab cov txiaj ntsig zoo tshaj plaws. Tab sis kev ua lag luam kuj xav tau kev tiv thaiv kev cuam tshuam zoo dua, thiab ethylene-octene plastomers tej zaum yuav tsim nyog thaum nrhiav kev tawv nqaij qis hauv qhov kub."
Cortez ntxiv hais tias, "Cov plastomers Ethylene-octene zoo li peb cov qib Exact lossis Dow's Engage thiab Vistamaxx muaj cov theem thauj khoom zoo sib xws."
Dow's Zhang piav qhia tias thaum muaj polypropylene hauv HDPE feem ntau ua rau muaj kev tawv tawv raws li ntsuas los ntawm flexural modulus, nws ua rau cov khoom puas tsuaj raws li ntsuas los ntawm kev tawv thiab tensile elongation vim yog qhov tsis sib xws ntawm ob qho khoom. Kev siv cov compatibilizers hauv cov HDPE / PP blends no txhim kho qhov sib npaug ntawm kev tawv nqaij / viscosity los ntawm kev txo qhov sib cais theem thiab txhim kho kev sib txuas ntawm interfacial.
Mov. 2. Daim duab qhia txog lub zog cuam tshuam uas qhia txog kev sib xyaw xim sib txawv ntawm HDPE thiab polypropylene uas siv rov qab, nrog thiab tsis muaj Vistamaxx additive. (Tau los ntawm: ExxonMobil)
Raws li Zhang hais, Engage POE thiab Infuse OBC yog qhov zoo tshaj plaws los ua HDPE, LDPE thiab LLDPE sib xws nrog polypropylene vim yog PE backbone thiab alpha-olefin comonomer. Raws li cov khoom ntxiv rau PE/PP sib xyaw, lawv feem ntau siv rau hauv qhov ntau ntawm 2% txog 5% los ntawm qhov hnyav. Zhang tau sau tseg tias los ntawm kev txhim kho qhov sib npaug ntawm qhov nyuaj thiab kev tawv, Engage POE compatibilizers xws li Qib 8100 tuaj yeem muab tus nqi ntau dua rau cov khoom sib xyaw PE/PP rov ua dua tshiab, suav nrog cov khib nyiab uas muaj PE thiab PP ntau. Cov ntawv thov suav nrog cov khoom siv txhaj tshuaj pwm hauv tsheb, cov kaus poom xim, cov kaus poom pov tseg, cov thawv ntim khoom, pallets thiab rooj tog sab nraum zoov.
Kev ua lag luam xav tau kev ua tau zoo dua qub thiab ethylene octene plastomers tuaj yeem ua lub luag haujlwm thaum xav tau kev tiv thaiv kev cuam tshuam kub tsawg.
Nws hais ntxiv tias: "Qhov ntxiv ntawm tsuas yog 3 wt. % Engage 8100 ua rau peb npaug ntawm lub zog cuam tshuam thiab tensile elongation ntawm cov HDPE / PP 70/30 sib xyaw tsis sib xws thaum khaws cia cov modulus siab dua los ntawm PP Cheebtsam," nws hais ntxiv tias, rau qhov xav tau plasticity qis, Engage POE muab lub zog cuam tshuam ntawm qhov kub thiab txias vim yog qhov kub hloov iav qis heev.
Thaum tham txog tus nqi ntawm cov elastomers tshwj xeeb no, ExxonMobil's Cortez tau hais tias: "Hauv cov saw hlau muaj txiaj ntsig zoo heev, nws yog ib qho tseem ceeb kom sib npaug tus nqi thiab kev ua tau zoo. Nrog Vistamaxx polymers, kev ua tau zoo ntawm cov resins rov ua dua tshiab tuaj yeem txhim kho, tso cai rau cov resins siv rau hauv cov ntawv thov uas cov neeg rov ua dua tshiab tuaj yeem tau txais txiaj ntsig kev lag luam siab dua." thaum ua tau raws li qhov xav tau rau cov ntaub ntawv ua tau zoo. Yog li ntawd, cov neeg rov ua dua tshiab tuaj yeem muaj lub sijhawm ntau dua los ua lag luam lawv cov yas rov ua dua tshiab, es tsis yog tsuas yog tus nqi ua tus tsav tsheb tseem ceeb, tso cai rau lawv tsom mus rau kev sib xyaw ua ke thiab kev ua tiav.
"Ntxiv rau qhov muaj peev xwm rov ua dua cov polyolefins sib xyaw, peb kuj ua haujlwm los txhawb kev rov ua dua cov sib xyaw sib txawv xws li polyolefins nrog cov yas engineering xws li nylon thiab polyester. Peb tau muab ntau cov polymers ua haujlwm, tab sis cov kev daws teeb meem tshiab tseem tab tom tsim kho. tab tom raug tsim kho kom daws tau ntau yam yas sib xyaw pom hauv kev ntim khoom, kev tsim kho vaj tse, kev thauj mus los thiab cov neeg siv khoom siv."
Cov tshuaj styrene block copolymers thiab cov tshuaj polyolefins uas tau hloov kho yog lwm hom ntaub ntawv uas tau txais kev saib xyuas ua cov khoom sib xws rau kev txhawb nqa thiab txhim kho kev sib raug zoo ntawm cov resins rov ua dua tshiab.
Kraton Polymers muaj CirKular+ styrenic block copolymer platform uas muaj cov khoom ntxiv rau kev ua kom zoo dua qub rau kev siv dua tshiab thiab kev siv dua tshiab ntawm cov yas. Julia Strin, tus thawj coj ntawm kev lag luam thoob ntiaj teb rau Kraton Specialty Polymers, taw qhia rau ob series ntawm tsib qib: CirKular+ Compatibility Series (C1000, C1010, C1010) thiab CirKular+ Performance Enhancement Series (C2000 thiab C3000). Cov khoom ntxiv no yog ntau yam ntawm cov block copolymers raws li styrene thiab ethylene/butylene (SEBS). Lawv muaj cov khoom siv kho tshuab zoo heev, suav nrog lub zog cuam tshuam siab ntawm chav tsev lossis cryogenic kub, kev ywj pheej los hloov kho qhov ruaj khov thiab cov khoom cuam tshuam, txhim kho kev tiv thaiv kev ntxhov siab, thiab txhim kho kev ua haujlwm. Cov khoom Circular+ kuj muab kev sib raug zoo ntawm ntau cov resin rau cov yas tshiab, PCR thiab PIR pov tseg. Nyob ntawm qib, lawv tuaj yeem siv rau hauv PP, HDPE, LDPE, LLDPE, LDPE, PS thiab HIPS, nrog rau cov polar resins xws li EVOH, PVA thiab EVA.
Peb tau qhia tias nws muaj peev xwm rov ua dua cov yas sib xyaw polyolefin thiab rov ua dua tshiab rau hauv cov khoom muaj nqis dua.
"Cov khoom siv rov ua dua tshiab ntawm CirKular+ tso cai rau PCR rov siv dua los ntawm kev txhim kho cov khoom siv kho tshuab thiab txhawb nqa kev tsim cov khoom siv polyolefin-based monomaterial, yog li ua kom cov ntsiab lus PCR ntau dua 90 feem pua," Stryn hais. cov resin tsis hloov kho. Kev sim tau qhia tias cov khoom CirKular+ tuaj yeem kho cua sov txog tsib zaug rau kev siv ntau zaus.
Cov CirKular+ ntau yam ntawm cov khoom nthuav dav yog cov khoom nthuav dav ntau-resin rau kev txhim kho cov dej sib xyaw PCR thiab PIR rov qab los, feem ntau ntxiv ntawm 3% txog 5%. Ob qho piv txwv ntawm kev siv cov khib nyiab sib xyaw suav nrog cov qauv sib xyaw txhaj tshuaj ntawm 76%-PCR HDPE + 19%-PCR PET + 5% Kraton+ C1010 thiab cov qauv ntawm 72%-PCR PP + 18%-PCR PET + 10% Kraton+ C1000. . Hauv cov piv txwv no, lub zog cuam tshuam Izod notched tau nce ntxiv los ntawm 70% thiab 50%, raws li, thiab lub zog tso zis nce ntxiv los ntawm 40% thiab 30%, thaum tswj kev ruaj khov thiab txhim kho kev ua haujlwm. PCR LDPE-PET blends kuj tau qhia txog kev ua tau zoo sib xws. Cov khoom no kuj ua haujlwm zoo rau nylon thiab ABS.
Cov CirKular + Performance Enhancement Series yog tsim los txhim kho cov cyclic mixed PCR thiab PIR streams ntawm polyolefins thiab polystyrene ntawm cov qib ntxiv ntawm 3% txog 10%. Tsis ntev los no kev sim txhaj tshuaj molding ua tiav: 91%-PCR PP + 9% Kraton + C2000. Cov mis muaj 110% kev txhim kho hauv qhov sib npaug ntawm cov khoom sib tw. "Cov ntawv thov rPP qib siab hauv kev siv tsheb thiab kev lag luam xav tau hom kev txhim kho no. Qhov no kuj tseem siv tau rau kev ntim khoom, tab sis nrog cov kev cai tsis nruj, qhov ntau ntawm C2000 yuav raug txo, "Streen hais.
Stryn hais tias Kraton+ tuaj yeem sib xyaw ua ntej lossis sib xyaw qhuav nrog cov yas rov ua dua tshiab ua ntej molding, extrusion lossis ua ib feem ntawm cov txheej txheem rov ua dua tshiab. Txij li thaum pib CirKular+ ob peb xyoos dhau los, lub tuam txhab tau ua tiav kev siv thaum ntxov hauv cov chaw xws li cov pallets kev lag luam, cov khoom noj thiab dej haus ntim, cov khoom siv tsheb thiab cov rooj zaum hauv tsheb rau menyuam yaus. CirKular+ kuj tseem siv tau rau ntau yam kev siv ua haujlwm suav nrog kev txhaj tshuaj lossis kev nias molding, extrusion, rotational molding thiab compounding.
Polybond 3150/3002 yog ib feem ntawm SI Group cov khoom siv polyolefins uas tau hloov kho los ntawm tshuaj lom neeg Polybond thiab siv tau ua ib qho khoom sib txuas thiab cov khoom sib xws. Nws yog ib qho maleic anhydride grafted polypropylene uas ua rau cov polypropylene rov ua dua tshiab sib xws nrog txhua hom nylon. Raws li John Yun, tus thawj tswj kev txawj ntse thiab kev txhawb nqa kev txawj ntse, ntawm qib kev siv ib txwm muaj ntawm 5%, nws qhia tau ntau dua peb npaug Izod notched impact strength thiab reverse Izod impact strength. Irfaan Foster, tus thawj coj ntawm kev txhim kho kev lag luam, sau tseg tias daim ntawv thov thawj zaug yog kev tiv thaiv suab nrov ntawm lub tsheb. Tsis ntev los no, nws tau siv rau hauv cov polypropylene rov ua dua tshiab thiab nylon sib xyaw rau cov vaj huam sib luag hauv pem teb, cov khoom hauv qab lub cev, thiab tom qab dashboards.
Lwm qib yog Polybond 3029, uas yog maleic anhydride grafted high-density polyethylene uas tau tsim tawm ob xyoos dhau los ua ib qho khoom siv ntxiv los txhim kho kev sib raug zoo ntawm cov ntoo-yas composites. Raws li Yun, nws zoo li lub tuam txhab tab tom taug txoj kev kom sib raug zoo nrog 50/50 PCR/pure HDPE blend.
Lwm chav kawm ntawm cov khoom sib xws yog raws li titanium-aluminium chemistry, xws li titanate (Ti) thiab zirconate (Zr) catalysts muab los ntawm Kenrich Petrochemicals thiab muag rau cov compounders thiab moulders. Lub tuam txhab cov khoom suav nrog cov catalyst tshiab hauv masterbatch lossis hmoov daim ntawv uas ua haujlwm ua cov khoom sib xws rau ntau yam polymers, suav nrog polyolefins, bioplastics xws li PET, PVC thiab PLA. Nws siv hauv PCR blends xws li PP / PET / PE tab tom nce zog, raws li Kenrich tus thawj tswj hwm thiab tus tswv cuab Sal Monte. Qhov no tau tshaj tawm tias yuav ua rau muaj kev tsim khoom extrusion ntau ntxiv thiab txo cov sijhawm txhaj tshuaj molding.
Cov hlaws Ken-React CAPS KPR 12/LV thiab hmoov Ken-React KPR 12/HV tau tshaj tawm tias yuav kho PCR kom rov qab zoo li qub. Monte hais tias cov khoom no yog qhov tshwm sim ntawm kev sib xyaw ua ke ntawm lub tuam txhab LICA 12 alkoxy titanate catalyst tshiab nrog cov hlau sib xyaw catalyst uas "zoo dua tus nqi." "Peb muab cov granules CAPS KPR 12/LV hauv qhov ntau ntawm 1.5% txog 1.75% ntawm tag nrho qhov hnyav ntawm txhua yam khoom siv rov ua dua tshiab ntxiv rau hauv lub thoob khib nyiab, ib yam li masterbatch, thiab txo qhov kub ntawm cov txheej txheem los ntawm 10-20%, kom tswj tau qhov shear ntawm cov tshuaj sib xyaw. Lawv ua haujlwm ntawm qib nanometer, yog li qhov reactive shear ntawm cov khoom sib xyaw yog qhov yuav tsum tau ua, thiab cov yaj xav tau lub zog siab."
Monte hais tias cov khoom ntxiv no yog cov khoom sib xws zoo rau cov polymers ntxiv xws li LLDPE thiab PP thiab polycondensates xws li PET, cov organic thiab inorganic fillers, thiab bioplastics xws li PLA. Cov txiaj ntsig ib txwm muaj xws li 9% txo qis hauv extrusion, txhaj tshuaj molding thiab blow molding kub thiab 20% nce hauv kev ua haujlwm ceev rau feem ntau cov thermoplastics tsis tau ntim. Cov txiaj ntsig zoo sib xws tau txais nrog 80/20% LDPE/PP sib xyaw ua ke. Hauv ib rooj plaub, 1.5% CAPS KPR 12/LV tau siv los xyuas kom meej tias muaj kev sib xws ntawm peb cov PIR resins: graduated fused film LLDPE, 20-35 MFI sib xyaw txhaj tshuaj molding polypropylene copolymer hau, thiab thermoformed PET zaub mov foldout ntim. Zom cov PP/PE/PE sib xyaw kom txog 1/4″ loj. txog li ½ nti. Flakes thiab melts yog sib xyaw rau hauv txhaj tshuaj molding pellets.
Interface Polymers cov thev naus laus zis diblock additive uas tau txais patented tau tshaj tawm tias kov yeej qhov tsis sib xws ntawm polyolefins ntawm theem molecular, tso cai rau lawv kom raug ua tiav. (Duab: interfacial polymers)
Kev lag luam faib khoom SACO AEI Polymers yog tus faib khoom tshwj xeeb ntawm Fine-Blend hauv Suav teb, uas tsim ntau yam khoom sib xws rau polypropylene, nylon, PET, engineering thermoplastics thiab biopolymers xws li PLA thiab PBAT, suav nrog cov khoom sib xyaw rov ua dua tshiab, cov khoom ntxiv thiab cov saw hlau txuas ntxiv. tus thawj tswj hwm chav ua lag luam Mike McCormach tau hais. Cov khoom pabcuam suav nrog cov khoom sib xws tsis-reactive, feem ntau yog block thiab graft copolymers lossis random copolymers uas tsis koom nrog hauv kev tshuaj lom neeg thaum sib tov polymers. BP-1310 yog ib qho piv txwv uas qib ntxiv ntawm 3% txog 5% txhim kho qhov sib xws ntawm cov khoom sib xyaw rov ua dua tshiab ntawm polypropylene thiab polystyrene. Ib qho khoom ntxiv los txhim kho qhov sib xws ntawm cov khoom sib xyaw PE / PS rov ua dua tshiab tab tom tsim kho.
Cov khoom sib xyaw ua ke zoo txhim kho kev sib raug zoo los ntawm kev sib xyaw tshuaj nrog cov polymer tshiab thaum lub sijhawm sib xyaw, suav nrog ECO-112O rau PET rov ua dua tshiab, polycarbonate thiab nylon; HPC-2 rau ABS thiab cov khoom sib xyaw ua ke PET rov ua dua tshiab; thiab SPG-02 rau kev tsim cov polypropylene thiab polypropylene rov ua dua tshiab. PET sib xws. Lawv muaj cov pab pawg epoxy uas tuaj yeem sib xyaw nrog cov pab pawg hydroxyl polyester rov ua dua tshiab los txhim kho kev tawv thiab kev sib raug zoo, McCormach hais. Kuj tseem muaj CMG9801, ib qho maleic anhydride grafted polypropylene uas tuaj yeem sib xyaw nrog cov pab pawg amino ntawm nylon.
Txij li xyoo 2016, lub tuam txhab Askiv Interface Polymers Ltd. tau tsim nws cov thev naus laus zis Polarfin diblock copolymer additive, uas tau tshaj tawm tias kov yeej qhov tsis sib xws ntawm cov polyolefins, ua rau lawv rov ua dua tshiab. Cov diblock additives no yog tsim rau cov polyethylene thiab polypropylene uas tsis tau siv dua tshiab thiab cov khoom sib xyaw, cov ntawv thiab cov yeeb yaj kiab.
Ib lub tuam txhab tsim cov yeeb yaj kiab loj tab tom ua haujlwm rau ib qhov project los ua cov yeeb yaj kiab ntau txheej yam tsis muaj kev poob qis ntawm kev tsim khoom. Tus Thawj Coj Kev Txhim Kho Lag Luam Simon Waddington tau hais tias txawm tias nyob rau theem qis, Polarfin tau tshem tawm cov gelling, ib qho teeb meem uas cuam tshuam rau kev siv cov yeeb yaj kiab polyolefin siv cov yas sib xyaw ua ke. "Peb tau ua tiav qhia tias cov pov tseg yas sib xyaw polyolefin tuaj yeem siv rov qab thiab rov ua dua tshiab rau hauv cov khoom muaj nqis dua siv peb cov thev naus laus zis Polarfin additive."
Raws li ExxonMobil's Cortes, kev sib raug zoo (piv txwv li Vistamaxx nrog PE/PP rov ua dua tshiab) tuaj yeem pom los ntawm cov khoom siv kho tshuab zoo dua xws li kev tiv taus kev cuam tshuam. (Duab: ExxonMobil)
Hauv kev sib xyaw ua ke ntawm cov ntsia hlau sib xyaw, feem ntau cov engineers paub txog qhov zoo ntawm kev teeb tsa cov ntsiab lus ntawm cov ntsia hlau. Nov yog yam koj yuav tsum paub txog kev cais cov seem thoob.
Nrhiav cov qauv chaw thiab/lossis lub sijhawm los muab cov lus qhia thaum tshawb nrhiav qhov tsis zoo ntawm qhov txuas lossis txiav txim siab qhov ua rau muaj teeb meem hauv paus. Lub tswv yim rau kev txheeb xyuas thiab kho qhov ua rau pom tseeb yog thawj zaug txiav txim siab seb qhov teeb meem puas yog mob ntev lossis ib ntus.
Insight Polymers & Complexers siv nws txoj kev txawj ntse hauv kev tshuaj polymer los tsim cov ntaub ntawv tiam tom ntej.
Lub sijhawm tshaj tawm: Lub Xya Hli-28-2023