Kev ua haujlwm zoo tshaj plaws ntawm GW-707H rau cov khoom siv uas muaj dejGW-707H yog qhov khoom uas tau tsim los pab txhim kho kev ua haujlwm ntawm cov khoom siv uas muaj dej rau kev tsim khoom siv adhesive, thiab nws tso cai rau kev siv hauv qhov chaw thiab kev nyab xeeb. Txawm li...
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Cov ntsiab lus thiab cov ntsiab lus ntawm kev ua haujlwm: Yuav li cas kev tawg ntsuas thiab qhov loj ntawm cov duab ntawv sib npaug txhawj xeeb rau PVA 2699 thiab PVA 1799Qhov loj ntawm kev tawg ntsuas (98–99% vs 87–89%): Kev puas tsuaj rau kev soj ntsuam ntawm dej, kev nyab xeeb ntawm cov duab ntawv, thiab kev tswj hwm rau kev soj ntsuam ntawm dej ntawm lub vnta (humidity)Polyvinyl Alcohol (PVA) cov yam ntxwv 2699 thiab 1799 ...
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Paub txog RDP 8040 thiab nws qhov kev ua haujlwm zoo tshaj plaws rau cov kev sib txuas ntawm cov ntaub ntawv tshuaj ntxivQhov cim ntawm kev hloov ntawv (Tg) thiab nws qhov kev txuas nrog kev nyoo, kev nyoo ntawm cov ntaub ntawv, thiab kev txuas cov kab laug rau cov ntaub ntawv tshuaj ntxiv thiab cov ntaub ntawv tshuaj ntxiv rau kev kho mobQhov cim ntawm kev hloov ntawv (Tg) ntawm...
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GW-102H’s Molecular Design: Engineering Superior Moisture Barrier PerformanceA coating’s ability to thwart moisture hinges on its polymer architecture. GW‑102H leverages a carefully engineered siloxane backbone and precisely controlled crosslink dens...
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Txoj kev ua haujlwm zoo heev ntawm PVA 1799 thiab kev nyooj qhia rau hauv cov ntawv ntausKev ua haujlwm ntawm cov ntawv ntaus los ntawm PVA 1799 yog txoj kev ua haujlwm ntawm cov hydrogen bondPVA 1799, yog ib qho polyvinyl alcohol uas tau hydrolyzed tag nrho, uas muaj 98–99% degree of hydrolysis, ua cov ntawv ntaus tshwj xeeb rau hauv kev siv ntawv ntaus los ntawm kev sib koom ntawm cov molecules...
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PVA 217 Molecular Profile: Yog li nws tuaj yeem ua haujlwm zoo rau cov khoom uas muaj qhov viscosity siab Qhov degree of polymerization thiab qhov high-MW siv rau qhov viscosity ntawm cov khoom Qhov viscosity siab ntawm PVA 217 yog los ntawm qhov degree of polymerization (DP) siab, uas tseem ceeb heev...
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Ua oj saib txog qhov aging rau hauv qhov temperature yoojyim rau vinyl acetate–ethylene copolymers Qhov aging rau hauv qhov temperature yoojyim rau polymers yog qhov kev lag luam uas ploj dua li qhov kev nyuaj dua, tab sis yog qhov kev ploj ntawm cov kev hloov pauv hauv qhov kev xav thiab qhov kev hloov pauv hauv qhov kev ua haujlwm uas ploj qhov kev sib twb...
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Cov molecular profile ntawm PVA 0588 yog tsis tuaj yeem tshuam rau cov kev ua film zoo thiab kev nyuaj rau cov fiber Yog li qhov degree of polymerization yoojyim (DP ~500) thiab 88% hydrolysis sib npaug rau qhov kev sib twb, qhov kev nyuaj thiab qhov kev nyuaj rau cov synthetic fiber Cov molecular architecture ntawm PVA 0588 yog qhov kev xaiv...
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PVA 1788 nyob rau hauv cov lus qhia txog kev siv cov ntaub: Tshuaj ntsuam qhov siab ntawm kev tswj hwm thiab kev ua haujlwm yuav. PVA 1788 muaj 88% ntawm kev tshuaj ntsuam thiab kev tswj hwm viscosity (28–33 mPa·s) uas pab tau kev nkag mus rau hauv cov ntawb thiab ua cov duab tshiab uas nyob ntev. PVA 1788 muaj 88% ntawm kev tshuaj ntsuam...
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Cov cheeb tsam RDP thiab kev ua haujlwm ntawm lawv rau kev ua haujlwm ntawm cov mortar rau lub tsho. VAE-Based Redispersible Polymer Powder rau kev tswj hwm kev nyab xeeb thiab kev ua haujlwm. Vinyl acetate-ethylene (VAE) copolymers yog qhov tseem ceeb rau kev siv cov polymer powder uas tuaj yeem sib npaug rau lub tsho...
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PVA 0588, ib qho tshuaj ntsuab uas tsis muaj kev pheej yig thiab muaj kev pheej yig ntawm polyvinyl alcohol uas tau txhawb nqa rau 87%–89%, yog qhov tshuaj ntsuab uas tau txais nyob rau kev siv rau cov phaj uas tuaj yeem ntshai hauv dej, rau kev kho cov ntawv thiab rau kev siv cov tshuaj ntsuab uas muaj kev pheej yig tsis siab rau kev siv hauv dej...
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Cov qhov chaw tseem ceeb ntawm PVA 1788 uas muab tshuaj rau kev kho tshuaj - Qhov kev txhawj xyuam (88%) thiab qhov kev sib sau: kev puas tsuaj rau qhov ntaub ntawv thiab qhov yuav tshaj Qhov kev txhawj xyuam 88% ntawm PVA 1788 yog qhov muaj kev txhawj xyuam ntau dua—tsis tau txhawj xyuam ntau heev, tab sis muaj qhov tswv yim tshaj...
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