Cov yam ntxwv ntawm cov nplaum kub yaj thiab kev ua cov txheej txheem tuaj yeem hloov pauv cov yam ntxwv ntawm cov nplaum. Kev tswj hwm viscosity tas mus li tshwm sim ua lub tswv yim tseem ceeb rau kev tsakab ntau lawm ntawm cov nplaum kub yajkev ua haujlwm zoo. Saib seb kev sib koom ua ke lub sijhawm tiag tiag li casntsuas viscositykev tiv thaiv tiv thaiv kev tsis sib xws thiab qhib cov cib fim rau kev txo nqi thiab kev txhim kho kev ruaj khov.
Kev Txheeb Xyuas Txog Kev Lag Luam Kub Yaj Adhesive
Cov khoom siv nplaum kub yaj tau pom kev nthuav dav rau cov lag luam uas muab qhov tseem ceeb rau kev daws teeb meem kev sib txuas sai thiab zoo rau ib puag ncig, nrog rau kev kwv yees qhia txog kev loj hlob ruaj khov los ntawm kev tsim kho tshiab hauv kev ntim khoom thiab kev lag luam tsheb.
Cov ntaub ntawv tsis ntev los no qhia tau tias kev lag luam thoob ntiaj teb muaj nqis kwv yees li USD 9.08 billion hauv xyoo 2024, npaj yuav nthuav dav ntawm tus nqi loj hlob txhua xyoo (CAGR) ntawm 4.3% txog xyoo 2030, mus txog kwv yees li USD 11.8 billion, tsav los ntawm kev thov nce ntxiv rau cov kev xaiv tsis muaj kuab tshuaj uas txo qis kev cuam tshuam rau ib puag ncig. Txoj kev no tsim los ntawm kev kwv yees ua ntej, xws li 5.5% CAGR txij xyoo 2021 txog 2028, tab sis cov qauv tam sim no qhia txog kev nce qib hauv Asia-Pacific, uas tswj hwm ntau dua 40% ua tsaug rau kev lag luam siv kawg xws li kev tsim kho thiab textiles.
Hauv qhov no, cov nplaum kub yaj uas rhiab siab (HMA) txiav tawm ib qho chaw tseem ceeb, kwv yees tias yuav loj hlob ua ke vim lawv qhov kev hloov pauv hauv cov ntawv lo thiab cov kab xev, nrog rau cov neeg ua si loj xws li 3M, Henkel, thiab HB Fuller ua kom pom tseeb rau cov qauv bio-based kom tau raws li kev tswj hwm kev ntxhov siab.
Cov Nplaum Kub Yaj Yog Dab Tsi?
Xav txog ib daim nplaum uas hloov ntawm daim ntawv khov kho ntawm qhov kub thiab txias mus rau cov kua nplaum uas khov kho thaum nws txias - qhov no npog cov nplaum kub yaj (HMAs), uas paub zoo txog lawv cov khoom siv thermoplastic uas sib xyaw cov polymers, resins, waxes, thiab cov khoom ntxiv rau hauv lub zog tsis muaj kuab tshuaj.
Hauv kev xyaum, HMAs ci ntsa iab hauv cov xwm txheej uas xav tau kev sib dhos sai, xws li cov khoom siv tu cev lossis cov khoom siv hluav taws xob, qhov twg lawv lub peev xwm los sau qhov sib txawv thiab qhov me me ua rau muaj kev sib txuas zoo rau cov khoom siv xws li yas, hlau, thiab ntaub. Kev sib txuas uas rhiab heev rau lub siab tseem nyob ruaj khov tom qab siv, ua rau muaj kev sib txuas rov qab rau cov kab xev thiab cov ntawv lo; cov no feem ntau siv cov styrenic block copolymers rau kev ywj pheej thiab lub zog, muab cov txiaj ntsig zoo li kev teeb tsa sai yam tsis muaj cov kauj ruam kho.
Qhov tsis muaj cov tshuaj lom neeg volatile organic (VOCs) tsis yog tsuas yog txhawb nqa kev ua raws li ib puag ncig xwb tab sis kuj ua rau kev koom ua ke yooj yim rau hauv kev siv tshuab.cov txheej txheem faib cov nplaum kub yaj, ua rau HMAs yog lub hauv paus tseem ceeb rau kev tsim khoom niaj hnub uas qhov kev ceev thiab kev ruaj khov sib sau ua ke.
Hom ntawm HMA
Kev tshawb nrhiav txog cov khoom siv nplaum kub yaj qhia tau tias cov polymer tseem ceeb tswj cov yam ntxwv kev ua tau zoo li cas, thiab los ntawm kuv qhov kev ua kom zoo tshaj plaws, kev xaiv cov kev xaiv rau cov kev xav tau tshwj xeeb - xws li kev nplaum rau HMAs - tuaj yeem ua rau kev siv tau zoo dua thiab txo qhov tsis zoo. Lub rooj hauv qab no, ntxiv nrog cov ntsiab lus tshwj xeeb ntawm HMA thiab cov ntsuas ntxiv ntawm cov qib nplaum thiab kev tiv thaiv ib puag ncig, muab cov lus qhia ntxaws ntxaws los ntawm kev paub txog kev tsim cov qauv thiab cov qauv kev ua lag luam.
| HMA Polymer Base | Cov Yam Ntxwv Tseem Ceeb | Feem ntau yaj viscosity ntau yam (cP ntawm qhov kub teev tseg) | Qhov Kub thiab Txias Ib Txwm Siv (°C/°F) | Cov Ntawv Thov Feem Ntau | Kev Tiv Thaiv Kub (°C) | Cov Lus Cim Txog Kev Sib Xws ntawm Cov Khoom Siv | Qib Tack (rau PSA Variants) |
|---|---|---|---|---|---|---|---|
| EVA (Ethylene-Vinyl Acetate) | Tus nqi qis, ntau yam, nplaum zoo rau cov ntaub ntawv cellulosic, teeb tsa sai, feem ntau yooj yim rau kev ua tiav | 500 - 5,000 cP (ib txwm muaj, sib txawv ntau) | 150-180°C / 302-356°F | Ntim khoom, ua haujlwm ntoo, khi ntawv, sib dhos | Txog li 60-80 | Zoo heev rau ntawm daim ntawv/ntoo; nruab nrab rau ntawm yas | Nruab Nrab |
| PE (Polyethylene) | Zoo rau cov khoom siv uas muaj qhov ntxeem tau (cov thawv ntawv), ruaj khov zoo thaum tshav kub, tsis muaj ntxhiab tsw, tiv thaiv dej noo. | 1,000 - 3,000 cP | 160-190°C / 320-374°F | Kev ntim khoom (kev kaw lub thawv) | 70-90 | Muaj zog rau ntawm cov thawv ntawv; txwv rau ntawm cov hlau | Qis |
| APAO (Amorphous Polyalphaolefin) | Kev tiv taus kub siab, tawv, mos, yoog tau, ruaj khov thermal zoo, sib txuas rau cov substrates nyuaj | 500 - 15,000+ cP | 160-190°C / 320-374°F | Cov khoom siv tu cev, tsheb, ntaub, kev sib dhos khoom (yas, ua npuas ncauj) | 100-120 | Zoo tagnrho rau cov ua npuas dej/yas; tiv taus roj | Siab |
| Methylocene Polyolefin (mPO4) | Cov yam ntxwv meej, siv cov khoom tsawg dua, ruaj khov thermal zoo, tsw qab tsawg, tsis tshua muaj hlua khi, muaj peev xwm ua haujlwm kub heev, qee qib muaj cov ntsiab lus rov ua dua tshiab | 500 - 5,000 cP | 150-180°C / 302-356°F | Kev ntim khoom (khoom noj, lub tub yees kom sov rau hauv lub tshuab hluav taws xob microwave), kev sib dhos, cov ntaub tsis yog ntaub | 80-110 | Muaj kev nyab xeeb rau zaub mov; muaj cov kev xaiv uas rov ua dua tshiab tau | Nruab Nrab |
| PA (Polyamide) | Kev tiv taus kub siab, kev siv kub siab, kev tiv taus roj/tshuaj lom neeg, kev nplaum zoo rau cov hlau & qee cov yas, tuaj yeem kim | 2,000 - 10,000+ cP (feem ntau siab dua) | 185-215°C+ / 365-419°F+ | Tsheb, khoom siv hluav taws xob, kev ua haujlwm ntoo uas xav tau ntau, cov lim dej | 120-150 | Cov hlau/yas; tiv taus tshuaj lom neeg | Qis-Nruab Nrab |
| PUR (Polyurethane ua xua) | Cov kev sib txuas muaj zog heev, kho kom noo noo (crosslinks), tiv taus kub/tshuaj lom neeg zoo heev, yoog tau, kim dua | 2,000 - 60,000+ cP | 100-140°C / 212-284°F | Ua haujlwm ntoo, kev tsim kho, tsheb, khoom siv hluav taws xob, khi ntawv, sib dhos khoom | 100-130 | Ntau yam; crosslinks rau kev nyob mus ib txhis | Hloov pauv tau |
| SBC (Styrenic Block Copolymer) | Ua los ntawm roj hmab, yooj ywm zoo thaum kub tsawg, ntev ntev, feem ntau siv rau Cov Nplaum Uas Muaj Kev Xav Tau Siab (PSAs), tus phooj ywg ib puag ncig uas tsis muaj cov kuab tshuaj | 500 - 50,000+ cP (rau PSAs) | 150-180°C / 302-356°F | Cov ntaub nplaum, cov ntawv lo, cov khoom siv tu cev, cov khoom siv roj hmab txuas | -40 txog 80 | Cov roj hmab/ntaub; PSA tsom mus rau | Siab (Ruaj khov lossis tshem tau) |
Qhov kev faib tawm no qhia txog vim li cas cov nplaum no thiaj li tseem ceeb hauv cov xwm txheej uas tiv taus dej noo thiab muaj zog heev.
Kev Teeb tsa Khoom Siv Kub Yaj
Kev sib sau ua ke ntawm lub cev muaj zogtshuab nplaum kub yajkev teeb tsa suav nrog kev xaiv cov khoom sib koom ua ke rau kev ntws tsis muaj teeb meem los ntawm cov khoom siv raw mus rau cov khoom tiav, thiab kev koom ua ke ntawm lub tshuab nqus tsev thiab cov tshuab lim dej thaum ntxov tiv thaiv cov pa phem uas tuaj yeem ua rau tsis ruaj khov viscosity. Kos duab los ntawm cov kws tshwj xeebHMIb qho kev teeb tsa ntau lawm, cov kev teeb tsa tseem ceeb suav nrog:
●Reactor (los yog Tshuab Kneading)Qhov chaw tseem ceeb rau kev yaj thiab sib xyaw cov polymers, resins, waxes, thiab cov khoom ntxiv ntawm qhov kub tswj tau txog li 200 ° C thiab siab txog 1.6 MPa, kom ntseeg tau tias cov khoom sib xyaw tsis muaj kuab paug.
●Lub Taub Cia Khoom: Tswj cov nplaum uas yaj tau nyob rau hauv qhov chaw ruaj khov, nrog rau lub peev xwm ntawm 500L txog 10T rau kev ywj pheej ntawm ntau pawg.
● Lub Tshuab Nqus Tsev: Tseem ceeb rau kev degassing kom tshem tawm cov volatiles, txhim kho cov khoom purity thiab kev sib txuas zoo los ntawm kev tshem tawm cov npuas.
●Lub Tshuab Lim DejCov kev xaiv ntau theem xws li mesh, cartridge, lossis hnab lim uas muab tso rau ntawm cov hoppers, cov chaw yaj, lossis cov twj tso kua mis kom ntes cov khib nyiab.
● Lub Tshuab Txias: Pab kom khov sai sai los ntawm kev txias cov thoob dej, tseem ceeb rauHMAblock tsim yam tsis muaj deformation.
● Tshuab Ntim Khoom: Ua kom cov pwm thiab ntim khoom tsis siv neeg rau hauv pwm lossis thawv, tswj cov zis tawm mus txog rau ntau qhov ntau.
●Lub Taub Dej Txias: Txhawb kev ua haujlwm ntawm lub tshuab ua kom txias, tswj qhov kub thiab txias kom cov duab zoo sib xws.
●Tshuab Kub Pwm: Tswj cov pwm cua sov/txias kom khov tau zoo, suav nrog cov twj tso kua mis thiab cov kev tswj.
●Cov Txheej Txheem Pub Noj (Phau Ntawv / Tsis Siv Neeg)Siv cov khoom nyoos sib txawv—kua los ntawm cov twj siv iav, hmoov siv tshuab cua, cov hmoov uas muaj cov ntsia hlau pub—kom tau cov khoom sib xws.
●Kev Tso Tawm: Tswj kev nchuav rau hauv cov pwm uas tau coated ua ntej, txias, thiab demolding kom tau cov khoom khov kho lossis cov hauv ncoo.
Cov ntsiab lus no, tau tshoov siab los ntawmHMA-cov kab uas tsom mus rau, ua kom muajKev tsim khoom ntawm HMAuas koom ua ke kev saib xyuas viscosity rau kev ua kom zoo.
Cov Txheej Txheem Tsim Khoom Kub Kub
Kev teeb tsa lubkab ntau lawm ntawm cov nplaum kub yajxav tau ib txoj kev ua raws li qhov ua ntej uas muab qhov sib npaug thiab kev dawb huv, tshwj xeeb tshaj yog rauHMRaws li qhov twg cov block copolymers xav tau kev sib xyaw kom raug kom ua tiav qhov kev sib txuas thiab kev sib koom ua ke. Los ntawm cov txheej txheem zoo uas kuv tau siv, cov txheej txheem suav nrog kev pub mis thiab kev lim dej siab heev los ua kom tiav kev tswj hwm viscosity:
● Kev Xaiv Khoom Siv RawCov tshuaj polymers uas muaj cov tackifiers, waxes, thiab cov additives uas muaj cov khoom purity siab, xyuas kom meej cov lus qhia kom tiv thaiv kev hloov pauv ntawm viscosity.
● Kev Sib Tov Ua Ntej thiab Kev Ntsuas: Muab cov khoom xyaw sib npaug kom raug, feem ntau yog siv cov nplai tsis siv neeg, los ua cov khoom sib tov npaj rau kev yaj.
● Yaj thiab sib tovUa kom sov hauv cov reactors txog li 150-200 ° C, siv cov agitators rau kev sib kis sib npaug thaum saib xyuas kev hloov pauv ntawm cov molecular rau kev ntws zoo tshaj plaws.
● Homogenization thiab DegassingSiv cov tshuab nqus tsev kom nqus tau cua thiab cov pa roj uas tsis muaj zog, qhov tseem ceeb rau kom tsis muaj npuasHMAuas tswj tau qhov ruaj khov ntawm cov khoom.
● Kev lim dejSiv cov lim tshwj xeeb (mesh, cartridge, bag) los tshem tawm cov pa phem, muab tso rau hauv qhov chaw zoo kom yaj tau huv.
● Kev Siv Txheej lossis Daim Ntawv Thov Tuag: Extrude los yog ncuav rau hauv pwm, tswj kev ntws rau cov duab meej xws li cov hauv ncoo lossis cov blocks.
● Txias thiab khov khoSiv cov tshuab ua kom txias thiab cov tshuab ua kom pwm kub sai, hloov sijhawm raws li qhov loj me kom tsis txhob muaj qhov tsis sib xws.
● Ntim Khoom: Tshem tawm thiab ntim rau hauv cov thawv uas tsis ua rau ib puag ncig puas tsuaj, kom ntseeg tau tias tiv taus dej noo kom ruaj khov rau txee.
● Kev Tswj Xyuas Zoo: Kev sim rauHMA-cov yam ntxwv tshwj xeeb xws li lub zog tev tawv thiab kev tiv taus shear, nrog rau cov qauv ntsuas.
Qhov kev ntws zoo dua no, nrogHMA-cov kauj ruam uas tsom mus rau ib puag ncig xws li pwm ua ntej txheej txheem kom yooj yim tso tawm, ua kom muaj txiaj ntsig zoo dua thaum ua ke nrog kev saib xyuas hauv kab.
Cov Kev Ntsuas Tseem Ceeb hauv Cov Txheej Txheem
Ua tib zoo saib xyuas cov yam ntxwv tseem ceeb thoob plawsKev tsim khoom ntawm HMAua kom muaj zog tiv thaiv kev hloov pauv uas yuav ua rau kev ua haujlwm ntawm cov nplaum tsis zoo, thiab hauvHMAcov ntsiab lus, cov kev ntsuas xws li kev khaws cia tack nyob rau hauv kev nyuaj siab ua rau muaj kev ntseeg siab rau kev siv kawg. Raws li cov kab ke sib xyaw ua ke uas kuv tau xa tawm:
●Qhov viscosity: Cov ntsuas tseem ceeb rau kev tiv thaiv dej ntws, saib xyuas hauv kab kom tswj tau 500-50,000 cP ntau yam, cuam tshuam rauHMAtack thiab daim ntawv thov yooj yim.
●KubTswj kev yaj (txog li 200 ° C) thiab kev tswj pwm, nrog rau kev tswj hwm meej kom tiv thaiv kev puas tsuaj.
● SiabSaib xyuas cov theem ntawm lub reactor/lub nkoj (txog 1.6 MPa) thiab lub tshuab nqus tsev rau kev tshem cov pa roj tawm, tiv thaiv kev thaiv.
● Kev Sib Tov Ceev / Shear: Sib npaug qhov sib npaug yam tsis muaj kev txiav cov blocks rhiab heev hauvHMA.
● Qhov Chaw Mos:HMA-tshwj xeeb, 60-150 ° C, qhia txog kev tiv taus cua sov.
●Lub Sijhawm Qhib thiab Teem Sijhawm: RauHMAs, ua kom muaj kev hloov chaw (5-30 vib nas this) thiab kev sib txuas sai.
●Kev Ruaj Ntseg Lub Neej Hauv Lub lauj kaub: Taug qab lub zog ntawm lub xeev molten, txhim kho los ntawm cov antioxidants.
● Tus Nqi Nqus thiab Qib Kev Tsis Huv: Los ntawm cov khoom noj thiab cov lim dej, tswj kev huv > 99%.
Cov no, thaum ua haujlwm tsis siv neeg, sib koom ua ke nrogtshuab nplaum kub yajkev tswj hwm rau qhov tsis sib xws precision.
Lonnmeter Viscometer rau Polymer Daim Ntawv Thov
Rau cov haujlwm polymer-intensive xws li HMA formulation, covCov ntsuas viscometer inlineNws sawv tawm ua ib lub cuab yeej siv tau zoo, xa cov ntaub ntawv txog viscosity thiab kub tas mus li. Tsim los rau cov xwm txheej hnyav txog li 450 ° C thiab siab siab, nws cov hlau tsis xeb, tsis txav chaw tsim qauv tiv taus cov pa phem, ua rau nws zoo tagnrho rau reactor lossis extrusion kev sib koom ua ke hauv HMA kab. Cov kev xaiv mounting ntau yam - hauv cov tank, kab, lossis nrog cov chav cua sov - haum rau HMA cov ntaub ntawv raw sib txawv. Hauv kev xyaum, kev siv nws tom qab lim dej ntes HMA-specific viscosities, pab txhawb kev hloov kho uas tuav tack thiab cohesion, tag nrho thaum sib txuas nrog cov kab ke ntawm Modbus rau seamless automation.
Cov txiaj ntsig rau HMA Production Automation
Kev ua haujlwm tsis siv neegKev tsim khoom ntawm HMAnrog cov cuab yeej viscosity-centric ua rau muaj txiaj ntsig zoo, tshwj xeeb tshaj yog rau HMAs qhov twg kev sib xws txhais tau tias kev ua tau zoo dua ntawm tev thiab txiav, txo cov khoom tsis lees txais txog li 25% hauv kev teeb tsa zoo. Kev nkag siab tiag tiag ua rau muaj kev hloov kho tam sim ntawd, txo cov khoom pov tseg thiab kev siv zog los ntawm 15-20%. Kev sib xyaw ua ke zoo dua ua rau zoo rau cov ntawv thov xws li cov kab xev tsheb, thiab kev tshuaj xyuas cov ntaub ntawv los ntawm cov cuab yeej xws li Lonnmeter pinpoint trends rau kev saib xyuas kwv yees, txo lub sijhawm tsis ua haujlwm. Zuag qhia tag nrho, txoj hauv kev no ua kom koj muaj zogkev lag luam kub yaj kua nplaumtawm tsam kev hloov pauv ntawm kev ua lag luam, txhawb kev nthuav dav thiab kev txaus siab ntawm cov neeg siv khoom.
Npaj txhij los txhim kho koj txoj haujlwm HMA? Thov kom tau txais tus nqi hnub no!
Yog koj txoj kev npaj mus tom ntejkab ntau lawm ntawm cov nplaum kub yajNrog kev tswj hwm viscosity HMA-optimized thiab cov khoom siv ruaj khov, xa RFQ qhia txog koj qhov ntsuas thiab cov lus qhia - peb yuav kho qhov kev daws teeb meem zoo.
Lub sijhawm tshaj tawm: Lub Yim Hli-25-2025
