Kev xaiv cov sealant zoo yog ib qho ntawm cov kev txiav txim siab tseem ceeb tshaj plaws uas cuam tshuam rau kev ua haujlwm ntev ntawm kev tsim kho, kev sib dhos ua lag luam, thiab cov haujlwm tsim vaj tsev. Cov sealant cuam tshuam ncaj qha rau:
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--Kev sib koom ua ke ruaj khov
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--Dej thiab cua nruj
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--Kev nyab xeeb ntawm cov qauv
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--Qhov zoo nkauj
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--Kev saib xyuas lub voj voog
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--Tus nqi ntawm lub voj voog tas mus li
Ua ib lub tuam txhab tsim khoom thoob ntiaj teb tshwj xeeb hauvcov khoom siv silicone sealant, Cov roj hmab polyurethane (PU) sealant, Cov txheej txheem nplaum PU, thiabkev daws teeb meem dej tsis pub dhau ntawm kev tsim kho, Siwaymuab ob qho tshuaj lom neeg thiab nkag siab txog lawv lub zog thiab kev txwv los ntawm ib qhokev tshawb fawb txog khoom siv, kev tsim kho, thiabraws li daim ntawv thovkev xav.
Phau ntawv qhia no muab covkev sib piv uas muaj txiaj ntsig thiab muaj cai tshaj plawsntawm PU vs. silicone—txhawb nqa los ntawmCov txheej txheem ntsuam xyuas ASTM/ISO, cov ntsiab cai ntawm kev kuaj mob hauv chaw kuaj mob, thiabkev nkag siab txog daim ntawv thov hauv ntiaj teb tiaglos ntawm Siway txoj kev tsim khoom thiab kev paub ntawm cov neeg siv khoom.
1. Kev Tshuaj Lom Zem ntawm Cov Khoom Siv & Kev Coj Tus cwj pwm ntawm Cov Qauv
1.1 Cov Tshuaj Polyurethane Sealants (Organic Polymer Chemistry)
Cov khoom siv polyurethane (PU) sealants yog ua raws li cov tshuaj tiv thaiv ntawm polyols thiab isocyanates, tsim ib qhocross-linked organic elastomerCov qauv no muab cov PU sealants:
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--Kev tsim kua muag siab
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--Muaj zog nplaum rau cov khoom siv uas muaj qhov dej ntws
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--Kev tiv thaiv kev puas tsuaj zoo dua
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--Kev ua tau zoo heev ntawm cov khoom siv kho tshuab
Cov khoom siv foob PU tsim cov khoom sib txuas elastomeric ruaj khov zoo tagnrho rau:
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--Cov pob qij txha sib txuas
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--Cov pob qij txha txav mus los
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--Kev sib dhos ua lag luam
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--Hauv pem teb hnyav
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--Kev sib khi ntawm qhov chaw nrog kev ntxhov siab ntawm lub cev
Lawv cov pob txha caj qaum ua rau lawv yooj yim rau UV degradation ntev ntev tshwj tsis yog tias hloov kho tshwj xeeb - qhov no yog vim li cas cov khoom lag luam PU qib tshaj lij xav tauCov tshuaj tiv thaiv UV, cov tshuaj antioxidants, thiabkev sib raug zoo ntawm cov txheej txheem tiv thaiv.
1.2 Cov Khoom Siv Silicone (Inorganic Polymer Chemistry)
Cov khoom siv silicone sealant yog ua los ntawm cov khoom siv siliconeCov saw hlau polysiloxane (Si-O-Si), ib lub pob txha caj qaum inorganic muab kev sib piv tsis tau:
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--UV ruaj khov
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--Kev ruaj khov ntawm cua sov
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--Kev tiv thaiv huab cua
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--Kev tsis muaj dej
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--Kev ywj pheej ntev
Lub zog ntawm Si-O bond (~ 444 kJ / mol) yog siab dua li C-C lossis C-O bonds hauv cov ntaub ntawv organic, ua rau silicones yog qhov kev xaiv zoo tshaj plaws rau:
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--Cov ntaub thaiv phab ntsa glazing
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--Cov pob qij txha façade ua tau zoo heev
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--Kev sib txuas ntawm iav rau hlau lossis iav rau iav
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--Cov pob qij txha sab nraud uas tiv thaiv huab cua
Cov khoom siv silicone sealants tseem yoog tau ntau xyoo nrog kev puas tsuaj tsawg kawg nkaus.
2. Kev Sib Piv Kev Ua Haujlwm Nrog Cov Ntaub Ntawv Kev Ntsuas Txheem Kev Lag Luam
Hauv qab no yog iblub rooj muaj hwj chim siabraws li cov nqi ib txwm tau los ntawmASTM C920, ASTM C1184, ISO 11600, thiab lwm yam qauv thoob ntiaj teb.
2.1 Cov Lus Qhia Txog Kev Ua Tau Zoo Sib Piv
| Cov Ntawv Qhia Txog Kev Ua Tau Zoo | Cov Khoom Siv Polyurethane | Cov Khoom Siv Silicone |
|---|---|---|
| Tshuaj lom neeg pob txha nraub qaum | Cov khoom siv organic (PU elastomer) | Cov tshuaj tsis muaj zog (polysiloxane) |
| Kev Ntsuas Kev Txav Mus Los Ib Txwm Muaj | ±25% (PU-25), txog li ±35% | ±50% (Silicone 50), cov qauv silicones ±100% |
| Lub zog tensile | 1.0–2.0 MPa (ASTM D412) | 0.7–1.5 MPa |
| Kev ntev thaum tawg | 300–600% | 400–800% |
| Kev Tiv Thaiv UV | Nruab nrab | Zoo heev (tsis muaj zog) |
| Kub thiab txias rau kev pabcuam | -40°C txog +90°C | -50°C txog +150°C |
| Txoj Kev Kho Mob | Kev kho kom noo noo | Kev kho kom noo noo (nruab nrab lossis acetoxy) |
| Ntug Dej A Hardness | 25–50 | 20–35 |
| Kev Tiv Thaiv Kev Tsim Kua Muag | Siab heev | Nruab nrab |
| Kev pleev xim tau | Yog | No |
| Kev Tiv Thaiv Kev Sib Txhuam | Zoo heev | Nruab nrab |
| Kev Tiv Thaiv Dej | Zoo heev | Zoo heev |
| Lub Neej Kev Pabcuam Xav Tau | 10–20 xyoo | 20–30+ xyoo |
3. Cov Khoom Siv Polyurethane & Silicone Sealants Engineering Lub Zog & Qhov Tsis Zoo
3.1 Cov txiaj ntsig ntawm Polyurethane Sealants
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--Kev sib txuas zoo dua rau cov pob zeb ua vaj tse, masonry, cement mortar
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--Muaj zog txhua yam thiab tsim kua muag tsis kam
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--Tsim nyog rau cov pob qij txha dynamic lossis load-bearing
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--Tau pleev xim rau tag nrho cov xim ntawm lub ntsej muag
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--Tiv thaiv roj, roj, thiab kev puas tsuaj ntawm cov khoom siv kho tshuab
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--Zoo tagnrho rau cov plag tsev, cov pob qij txha nthuav dav, thiab kev tsim khoom lag luam
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--Sib xws nrog ntau yam khoom siv hauv tsev yam tsis muaj primer
3.2 Cov Kev Txwv ntawm Polyurethane Sealants
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--Kev tiv thaiv UV tsawg dua li silicone
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--Tej zaum yuav daj thaum raug tshuaj ntev
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--Lub neej luv dua tag nrho
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--Tej zaum yuav xav tau kev npaj ntau dua ntawm qhov chaw
3.3 Cov txiaj ntsig ntawm cov khoom siv silicone sealants
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--Kev tiv thaiv UV, ozone, thiab huab cua tsis sib xws
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--Lub neej ntev tshaj plaws ntawm cov tshuaj sealant
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--Muaj zog nplaum rau iav, hlau, txhuas, thiab cov ntaub ntawv tsis ntxeem tau
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--Kev ruaj khov kub zoo heev
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--Zoo tagnrho rau kev sib txuas ntawm cov qauv phab ntsa ntaub thaiv
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--Cov silicones kho tsis muaj zog txo cov xeb ntawm cov khoom siv
3.4 Cov Kev Txwv ntawm Cov Khoom Siv Silicone Sealants
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--Tsis tuaj yeem pleev xim
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--Tsis haum rau kev puas tsuaj hnyav lossis kev taug kev
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--Qee zaum yuav tsum tau siv cov tshuaj pleev xim rau cov ntaub ntawv uas muaj qhov dej nkag
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--Tus nqi pib siab dua
4. Cov Lus Qhia Txog Kev Siv Polyurethane & Silicone Sealants
4.1 Cov Kev Siv Zoo Tshaj Plaws rau Silicone Sealants
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--Kev iav vaj tse (ASTM C1184 ua raws li)
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--Kev sib txuas ntawm phab ntsa iav
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--Kev tiv thaiv huab cua nyob ib puag ncig cov qhov rai, façades, thiab cov thav duab hlau
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--Cov qauv sab nraum zoov uas raug tshav ntuj ncaj qha
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--Qhov chaw kub heev (kev lag luam lossis sab nraud)
Cov Khoom Siway Tsim Nyog
4.2 Cov Ntawv Thov Zoo Tshaj Plaws rau Polyurethane Sealants
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--Cov pob qij txha nthuav dav thiab sib cog lus
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--Cov pob qij txha ntawm lub ntsej muag (cov khoom tsis yog iav)
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--Cov pob qij txha hauv pem teb, cov qauv chaw nres tsheb, cov chaw nres tsheb
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--Cov pob qij txha uas muaj kev cuam tshuam lossis kev co
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--Kev kaw lub ru tsev hlau
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--Ntoo, pob zeb ua vaj tse, thiab cov ntaub ntawv uas muaj qhov dej nkag tau
Cov Khoom Siway Tsim Nyog
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--SiwaySV312, SiwaySV313, SiwayPU Siv Rau Kev Tsim Kho
5. Kev piav qhia txog cov qauv kev xeem
Lub chaw soj ntsuam ntawm Siway soj ntsuam cov sealant raws li:
5.1 ASTM C920 (PU & Silicone)
Kev Ntsuas:
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--Kev nplaum/kev sib koom ua ke nyob rau hauv kev txav mus los cyclic
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--Muaj peev xwm txuas ntxiv
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--Kev Nyuaj Siab
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--Kev tiv thaiv kev laus
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--Kev raus dej
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--Kev ruaj khov thiab yaj
5.2 ASTM C1184 (Cov Khoom Siv Silicone)
Kev Ntsuas:
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--Kev nplaum ntawm lub zog
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--Kev puas tsuaj ntawm lub zog nyob rau hauv UV raug
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--Kev tiv thaiv kev txav mus los
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--Kev ntseeg siab ntawm kev sib txuas ntawm cov qauv
5.3 ISO 11600
Faib cov sealant ua pawg raws li:
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--F (Façade) Chav Kawm 12.5/25
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--G (Glazing) Chav Kawm 20/25/50/100
Silicone feem ntau ntsibChav Kawm 50/100, thaum PU ntsibChav Kawm 25.
6. Tus nqi, Kev ruaj khov & Kev soj ntsuam lub neej
| Qhov tseem ceeb | PU | Silicone |
|---|---|---|
| Tus nqi pib | Nruab nrab | Siab dua |
| Lub Neej Pabcuam | 10–20 xyoo | 20–30+ xyoo |
| Kev Xav Tau Txij Nkawm | Nruab Nrab | Qis |
| Kev Tsim Nyog Rau Kev Raug UV | Nruab Nrab | Zoo heev |
| Kev Tsim Nyog Rau Kev Thauj Mus Los Ntau | Zoo heev | Tsis Zoo/Nruab Nrab |
| Tus nqi tag nrho ntawm lub neej voj voog | Nruab Nrab | Qis rau cov txheej txheem façade |
Silicone yog qhov zoo tagnrho raukev siv façade mus sij hawm ntevthaum PU yog qhov zoo tagnrho raukev sib koom ua ke ntawm cov khoom siv kho tshuab thiab cov qauv.
7. Cov Lus Qhia Los Ntawm Kws Tshaj Lij Siway
Xaiv Polyurethane Sealants yog tias koj qhov project xav tau:
✔ Muaj zog nplaum rau cov pob zeb lossis cov qhov dej uas muaj qhov me me
✔ Kev pleev xim rau kev ua tiav vaj tse
✔ Kev puas tsuaj thiab kev cuam tshuam siab
✔ Kev ua haujlwm hnyav hauv pem teb sib koom ua ke
Xaiv cov Silicone Sealants yog tias koj qhov project xav tau:
✔ Tiv thaiv huab cua thiab UV heev
✔ Kev ntseeg tau ntawm cov qauv iav
✔ Kev ywj pheej mus sij hawm ntev
✔ Kev saib xyuas tsawg kawg nkaus
8. Vim li cas cov neeg siv khoom thoob ntiaj teb thiaj xaiv Siway
Siway tsis yog tsuas yog lub chaw tsim khoom xwb - peb yog ib tugtus khub koom tes engineering thoob ntiaj tebrau cov txheej txheem façade, cov iav qauv, cov ntaub ntawv tsim kho, thiab kev sib dhos ua lag luam. Cov kws ua haujlwm engineers, cov neeg cog lus, thiab Fortune 500 tuam txhab xaiv Siway vim peb muab:
8.1 Tag Nrho Cov Khoom Siv Ecosystem (Silicone + Polyurethane + Hybrid Technologies)
Tsis zoo li cov neeg muab khoom ib pawg, Siway tsim ob qho tib siPU thiab silicone, uas tso cai rau peb kom pom zoo rauzoo tshaj plawskev daws teeb meem es tsis txhob thawb ib hom khoom.
8.2 Lub Txheej Txheem Zoo Uas Ua Raws Li Thoob Ntiaj Teb
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--ISO 9001 kev tswj xyuas zoo
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--ISO 14001 kev tswj hwm ib puag ncig
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--Kev tshuaj xyuas cov khoom siv raw khoom tiav
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--Kev kuaj xyuas kev sib xws ntawm pawg
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--Kev nrhiav tau tag nrho los ntawm pawg mus rau qhov project
8.3 Kev Tshawb Fawb thiab Kev Txhim Kho Siab Tshaj Plaws thiab Kev Tsim Qauv Tshwj Xeeb
Siway ua haujlwm ntau lub chaw tshawb fawb tshwj xeeb hauv:
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--Kev tsim khoom siv polymer
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--Kev ntsuam xyuas kev sib txuas ntawm cov qauv
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--Kev tshuaj xyuas Rheological
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--Kev ua kom lub cev laus zuj zus sai dua
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--Kev tsim cov mis tshwj xeeb
Peb muabkev hloov kho raws li kev tsim qauv, kev hloov kho raws li qauv, thiabKev tsim khoom OEMrau cov npe nrov thoob ntiaj teb.
8.4 Kev Ntsuam Xyuas Cov Neeg Muab Khoom Zoo & Kev Nrhiav Khoom Uas Muaj Lub Luag Haujlwm
Peb cov khoom siv raw tsuas yog los ntawm cov neeg muag khoom uas tau ntawv pov thawj nrog:
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--Kev ua raws li ib puag ncig
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--Kev sib raug zoo ntawm REACH/ROHS
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--Cov ntaub ntawv ua tau zoo mus sij hawm ntev
8.5 Kev Txhawb Nqa Kev Txawj Ntse Hauv Tsev thiab Kev Sab Laj Txog Qhov Project
Pab neeg kev txawj ntawm Siway txhawb cov neeg siv khoom nrog:
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--Kev sab laj tsim qauv ua ke
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--Kev ntsuam xyuas kev sib txuas ntawm cov qauv
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--ASTM/ISO kev txhais lus xeem
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--Kev sim sib xws
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--Kev taw qhia txog kev tsim kho hauv tsev
8.6 Peev Xwm Tsim Khoom & Kev Sib Xws
Nrog cov kab ntau lawm niaj hnub, Siway ua kom ntseeg tau tias:
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--Stable zoo
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--Kev muab khoom ntau
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--Kev xa khoom sai thoob ntiaj teb
8.7 Cov Ntaub Ntawv Ua Tau Zoo Nrog Cov Haujlwm Loj
Cov sealant Siway siv rau hauv:
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--Cov phab ntsa ntaub thaiv
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--Cov Tshav Dav Hlau
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--Cov kab ke hauv av
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--Cov kab ntau lawm kev lag luam
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--Cov tsev lag luam siab
Cov neeg siv khoom xaiv Siway rau peb cov khoom ntau zauskev ntseeg siab, kev txawj ntse txog kev tshawb fawb txog cov khoom siv, thiab kev ruaj khov ntawm cov khoom mus sij hawm ntev.
PU thiab silicone sealants tsis yog cov neeg sib tw - lawv yogcov cuab yeej ua vaj tse, txhua tus tsim los rau cov qauv kev ua tau zoo tshwj xeeb. Nrog ntau xyoo ntawm kev txawj ntse, Siway pab cov neeg siv khoom thoob ntiaj teb xaiv covyog lawmtshuaj lom neeg raws li:
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--Kev txav mus los sib koom ua ke
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--Hom khoom siv
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--Kev ntxhov siab ntawm lub cev
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--Kev raug UV
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--Kev caij tsheb kauj vab kub
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--Ib puag ncig kev teeb tsa
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--Kev cia siab rau lub neej ntev
Rau cov haujlwm nyuaj, Siway engineers muab kev txhawb nqa tag nrho kom ntseeg tau tias kev xaiv cov khoom siv zoo tshaj plaws thiab kev ua haujlwm ntev.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-26-2025