Ifan Hoobkas 30+ xyooTxais kev txhawb nqa xim / loj Customized them nyiaj yug dawb {}} Nrhiav catalog thiab cov qauv dawb. Qhov no yog peb FacebookLub vas sab: www . Facebook . com, Nyem rau saib xyuas yog tias cov khoom lag luam video . sib piv nrog cov khoom lag luam dhaux, peb li cov khoom lag luam los ntawm qhov zoo tshaj plaws yog koj qhov kev xaiv zoo tshaj plaws, zoo siab tos txais yuav!

Qhov tseem ceeb ntawm cov khoom siv hydrolysis ua rau ppsu khoom rau daim ntawv thov ntawm zawv zawg cov yeeb nkab fittings hauv nruab puag ncig

Lub hauv paus rau phau ntawv

Cov chaw sawv cev loj me me rau cov ntaub ntawv sib xyaw ua ke, raws li cov khoom siv hluav taws xob tsis zoo, cov khoom siv tsis zoo, cov cuab yeej ua kom muaj zog, cov cuab yeej uas muaj kev tiv thaiv kev ncaj ncees thiab Kev Tshawb Fawb Txog Kev Siv Cov Khoom Siv Hluav Taws Xob, cov khoom siv tau los ntawm kev nkag siab txog kev ua haujlwm ntawm cov khoom siv hydrolytic tsis zoo los ntawm cov chaw kub ceev los ntawm kev kho kom muaj kev kub ntxhov cov chaw .

Qhov kev tshawb fawb tom qab PPSU cov hydrolysis tiv

Molecular qauv thiab ruaj khov

Pinu cov tshuaj architecture muab cov tshuaj rau hauv hydrolytic nres:

Cov ntiv nplhaib qub:

Rigid Benzene Rings hauv PPSU cov ntaub pua npab yog qhov ua haujlwm ntawm dej moleculic {}} kev ntsuas kub, 2 bar chav), PPSU qhia<0.1% weight loss after 1,000 hours, whereas polycarbonate (PC) loses 15% of its mass.

Sulfone Pab Pawg Tiv Thaiv:

Cov -so-aws nyob ib sab rau lub nplhaib uas muaj ntxhiab nrog cov tshuab hluav taws xob nrog cov tshuab hluav taws xob txo qis, piv rau [nylon {{}

Tsis muaj cov pab pawg hydrolyzable:

PPSU tsis muaj qhov tsis muaj qhov tsis muaj zog (-coo-) lossis txoj kev sib tw, ua rau muaj ntau yam kev tawm tsam cov av nkos .

Semi-Crystalline Morphology

PPSU's semi-crystalline qauv (30-40% crystallinity) ua raws li lub cev lub cev:

Crystalline cheeb tsam:

Yuam cov pob zeb hauv Crystalline Cov Thawj Zaug Cuam Tshuam Cov Dej Phps ...}} Qhov kev sib txawv ntawm cov dej hauv Pseffent ntawm Amorphous Polymers zoo li ABS (1.5 × 10 teev.

Ya ya raws:

PPSU AROMORBS nkaus xwb 0 . 2% dej ntawm 23 Qib 1% piv rau nylon 6 thiab 0.35% rau PC. Qhov kev ua kom tsawg kawg ntawm kev ua kom muaj kev ruaj khov nyob hauv cov puag ncig huab cua noo.

Cuam tshuam ntawm cov hydrocysis tsis kam ntawm kev ua tau zoo

Neeg kho tshuab tsev

PPSU tswj cov qauv txheej txheem hauv cov xwm txheej ntub dej:

Lub zog tensile tom qab hydrolysis:

Tom qab 5, {000}}℃dej, ppsu retains 88% ntawm nws thawj polybutylene (PB) khaws cia tsuas yog 45% .

Kev Cuam Tshuam Tsis Txheeb Xyuas:

Tsis cuam tshuam rau izod cuam tshuam lub zog ntawm PPSU txo qis los ntawm<10% after 1,000 hours in boiling water, compared to 50% loss in acrylic (PMMA).

Seem ruaj khov

Thermal nthuav dav tswj:

PPSU Cov Kev Tiv Thaiv Kev Nyab Xeeb Tsawg (0 . 2%) txo cov kev hloov pauv. Hauv 95% piv txwv RH ib puag ncig ntawm 60 degree, PPSU Fittings Qhia<0.1% linear expansion, versus 0.8% in PVC and 1.2% in PEX.

Foob Kev Tu Siab Compression:

Yo dej noo-ua rau o hauv ppsu yog negrigible, ecing o-{} Qhov chaw pib ua rau 0}} qhov pib qhov chaw nyob hauv DN20 cov fittings, kev sib tw ntawm cov ntsaws ruaj ruaj.

Ntev Lub Sij Hawm

HYDRYTIC DEM DUA Khab:

PPSU lub neej ib nrab hauv 121℃chav yog tshaj 10, {}}}}}}}}}}}}}

Pwm thiab microbial tsis kam:

PPSU txoj kev du (RA<0.8 μm) and low water absorption inhibit microbial growth. In a 6-month test in stagnant water, PPSU showed a biofilm thickness of <50 μm, versus 200 μm on ABS.

Sib piv kev tshuaj xyuas nruab nrab hauv nruab nrab

Polymer kev ua tau zoo nyob rau hauv cov puag ncig vaum

Tshuaj lom neeg tsis kam nyob rau aqueous media

Alkaline Solutions:

PPSU tiv thaiv 50% NAOH ntawm 80 Degree nrog<0.01 mm/year hydrolysis, whereas polyamide-66 degrades at 0.2 mm/year under the same conditions.

Chlorinated Dej:

In 5 ppm Cl₂ water at 60℃, PPSU shows no degradation after 2 years, while copper fittings develop 0.1 mm deep pits from chloride-induced corrosion.

Cov ntawv thov hauv cov chaw muaj puag ncig

Kev Kho Mob thiab Khoom Siv Kho Mob

Chav kom tsis muaj menyuam tshuab:

Cav: 134 Degree, 2 Bar Chav rau 30 feeb, 10 Cycles / Lub Limtiam {4 4}}

PPSu daws: Fittings nrog EPDM ntsaws ruaj ruaj thiab cov chaw du (ra<0.2 μm).

Ua yeeb yam: Tom qab 5, {000 cmles, tsis muaj hydrolysis los yog ploj ntawm lub zog tensile; ntsib USP chav kawm VI thiab CGMP yuav tsum .

Quapical Muaj Nroj Tsuag Nroj Tsuag

Offshore roj platform:

Huab cua: 95% Rh, 3 {{. 5% Nacl Pist, 60 degree, cyclic thau khoom los ntawm vuag.

PPSU Kev Tshawb Fawb: Carbon fiber ntau txhawb PPSu nrog Hydrophobic Txheej txheem .

Qho kawg: {10-} xyoo lub xyoo nrog<0.005 mm/year hydrolysis; replaced stainless steel fittings that required replacement at 5 years due to crevice corrosion.

Khoom Noj Thiab Dej Haus

High all noo ntau lawm kab:

Daim ntawv thov: CIP (huv (huv (huv-nyob rau-qhov chaw) nrog 80 Degree Alkaline Daus (Ph 12) {{{4}

PPSU Tsim: Fittings nrog ptfe-lined cov rooj thiab laser-textured nto rau kev yooj yim tu.

Qho kawg: Tom qab 3 xyoos, tsis muaj hydrolysis lossis biofoling; Cov nqi txij nkawm txo los ntawm 40% piv rau polyacetal fittings .

Kev nrhav hauv cov hydrolysis-resistant PPSu

Advanced polymer

Graphene oxide (mus) nanocomposites:

0 {. 5% mus rau hauv PPSU txo cov dej diffusion los ntawm 70%, {}}000 teev.

Hyperbranched Polymer Modifiers:

Hyperbranned qauv tsim cov kev tsim txom cov av nkos, txo cov hydrolysis tus nqi tas li (k) rau 8 . 10 × 10⁻⁷ s⁻¹.

Kev tiv thaiv saum npoo rau kev tiv thaiv hydrolysis

Ntshav-tso cov khaubncaws sab nraud povtseg:

100 nm sio₂ txheej txheem ua cov txheej txheem hydrophobic, txo cov dej tiv thaiv lub kaum sab xis ntawm 70 qib mus rau 110℃thiab minimizing noo noo adsorption {}}

Kev nyuaj siab hydrolysis teeb meem:

Microcapsules uas muaj cov neeg ua haujlwm sib txuas ntawm cov neeg ua haujlwm hauv hydrolytic, kho cov molecular puas, kho molecular kev puas tsuaj thiab rov ua kom tsis kam {}}

Ntse Hydrolysis soj ntsuam

Ph-Sharpeartment:

Embedded Sensors Hloov xim thaum cov kua dej hauv zos vim tias hydrolytic los ntawm hydrolytic los ntawm hydrodytic los ntawm hydrodroducts, muab kev pom kev pom ntawm kev ua kom muaj kev cuam tshuam ntawm kev ua kom muaj kev cuam tshuam ntawm kev ua kom tsis muaj kev txwv tsis pub muaj kev ua haujlwm {}}

Electrochemical impedance spectroscopy (EIS):

EIS Sensors Ntsuas Kev Hloov POLYMER Condown, Kwv Tij Kwv Tij Hydrolypees-Muaj Qhov Tsis Txaus Nrog 90% Qhov tseeb 6 lub hlis ua ntej {}}

Tag

Cov Khoom Siv Hydrolysis Kuj ntawm cov khoom ppsu tsis yog tsuas yog ib qho kev ntseeg tau yooj yim rau kev tiv thaiv cov roj av uas muaj kev ntseeg siab, tswj xyuas kev ncaj ncees, thiab khaws cia Kev Siv Hluav Taws Xob. {{3} Cov Khoom Siv Kom Tsis Muaj Peev Xwm Ua Haujlwm, thiab cov khoom lag luam rau kev ua haujlwm ntawm cov khoom lag luam noo noo, cov khoom siv hluav taws xob ntau dua, cov khoom siv hluav taws xob ua kom muaj kev lag luam hauv Nanocomposeite thev naus laus zis, thiab kev soj ntsuam xyuas cov tshuab uas zoo, ua kom muaj kev phom sij hauv cov pa hluav taws xob, ua haujlwm tau zoo, thiab kev ua haujlwm rau xyoo los.