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 UV-resistance kev ua tau zoo ntawm PPSU cov khoom rau daim ntawv teev chaw sab nraum zoov fittings

Lub hauv paus rau phau ntawv

Cov yeeb nkab sab nraum zoov uas haum siv tas nrho (UV) Tshawb nrhiav cov kev cuam tshuam ntawm UV hluav taws xob ntawm cov ntaub ntawv, cov kws ua haujlwm tseem ceeb, txhim kho cov tswv yim sab nraud, txhim kho kev txhawb nqa ppsu mus rau kev lag luam infrastructure .

Qhov cuam tshuam zoo ntawm UV hluav taws xob ntawm cov ntaub ntawv

Cov me nyuam photoRegradation mechanisms

UV hluav taws xob (200-400}}}}}}}}}}}}} itiates Desuction tshuaj tiv thaiv:

Polymer Chain Breakage:

High-zog UV photons (3-6 ev) so cov pa roj carbon-carrong

Oxidative degradation:

UV kis tau tsim hluav taws xob dawb radicals uas hnov ​​cov pa roj oxygen, qhov no txo ​​tense polymers, {}} lub hnub ci {}}

Yees Duab-Oxidative Laus:

Kev sib xyaw ntawm UV thiab Oxygen ua kom nrawm nrawm rau . hauv PVC, oxideness, thiab saum npoo sib tsoo tsis pub dhau 2 xyoos ntawm sab nraum zoov siv {}}

Cov kev cuam tshuam tshwj xeeb ntawm cov yeeb nkab fittings

Neeg Kho Tshuab Cov Khoom:

UV-nthuav tawm cov polymers poob elasticity, nce kev pheej hmoo ntawm kev sib tsoo poob 40% ntawm lawv cov kev cuam tshuam lub zog tom qab 500 teev ntawm UV nthuav tawm .

Sealing tsis ua haujlwm:

Elastomeric ntsaws ruaj ruaj nyob rau hauv fittings unentrade fab quab yuam {{}}}}}}}}} kev ua kom muaj 30} {}

Aesthetic thiab kev ua haujlwm tsis zoo:

Nto disalkoration thiab chalking txo cov teeb pom kev zoo, thaum crazing tsim cov micro-ib puag ncig kev khaws cia thiab kev xeb ntxiv.

Kev xam phaj UV tiv taus me me tshuab ntawm PPSU

Molecular Qauv Qauv Zoo

Pinu cov tshuaj architecture muab kev tiv thaiv UV UV li:

Cov nplhaib tsis muaj zog:

Lub benzene rings hauv ppsu

Sulfone Group Quenching:

-So- pab pawg ua raws li dawb radical scavengers, neutraling reactive hom ua ntej lawv ua rau muaj kev sim siab tshaj plaws ua ntej Polycarbonate {4 4}}

Semi-Crystalline qauv:

PPSU's crystallinity (30-40%) tsim cov teeb meem rau UV phots {1} or impactous ntawm amorphous cheeb tsam.

Kev sib piv UV tiv thaiv cov ntaub ntawv

Txhim Kho PPSu UV tsis kam rau kev siv sab nraum zoov

Additive Kev Hloov Kho

UV Stabilizer Tsim:

Txoj kev khaum (tab tom hais tias amine lub teeb cigilizers): {0.5-1% concentration hauv PPSU txo carbonyl tsim los ntawm 80% .

UV nqus (Benzotriazoles): 0 . 3% ntxiv kev hloov UV nqus lub ncov siab mus rau 340 nm, thaiv cov wavelflths.

Antioxidant symer:

Ua ke ntawm HALS (0 {{}} 8%) thiab phenolic antioxidants (0}} 2%) muab ob qhov kev tiv thaiv tawm ntawm cov yees duab-oxidation. Hauv kev ntsuam xyuas sab nraum zoov, qhov no sib xyaw ua ke 85% tensile lub zog tom qab 5 xyoos.

Nto Kho Technologies

Plasma tso cov khaubncaws sab nraud povtseg:

50-100 Nm Tio₂ Txheej Txheem Refring, Txo} Cov ntaub luj Photocatalytic {}}

Graphene oxide (mus) cov yeeb yaj kiab saum npoo av:

2D Mus rau nplooj ntawv tsim UV-thaiv kev thaiv, nrog kev hloov pauv<1% in the 200-400 nm range. GO-coated PPSU shows no surface degradation after 10,000 hours of UV exposure.

Cov qauv tsim qauv rau UV kev tiv thaiv

Qhov tuab ua kom zoo:

Nce phab ntsa thickness ntawm 20% muab cov nyhwv tiv thaiv UV, nrog sab nraud 0}}}}}}}} illbing feem ntau UV hluav taws xob.

Xim Xim:

Kev koom tes ntawm inorganic pigments (titanium dioxide, carbon dub):

Cov pa roj hmab dub (2%) nce UV nqus tau ntawm 95%, txuas ntxiv lub neej ntawm 10 mus rau 20 xyoo.

Ti₂ (3%) muab ob UV kev xav thiab huab cua yam tsis muaj kev cuam tshuam pob tshab .

Cov Rooj Sib Tham Sab Nraud Kev Kawm

Thaj chaw sab nraum zoov dej kav dej

Cav: Pex fittings ua tsis tiav tom qab 3 xyoos vim UV-induceness hauv tshav huab cua tshav ntuj .

Lus teb: PPSU Fittings nrog 1% Hals + Carbon Dub Xim.

Qho kawg: Tom qab 8 xyoo, tsis pom kev; Cov kev ntsuas ntsuas tau khaws cia ntawm 8 bar, tshaj qhov5-} xyoo ua haujlwm ntawm PVC Alternatives.

Muaj Cov Kab Sab Nraum Sab Nraum

Huab cua: 10% sulfuric acid ntawm 60 degree, kev ua tshav ntuj ncaj qha (1, {}}}}}} {.

Haum thev naus laus zis: PPSU nrog mus rau txheej saum npoo txheej thiab ho cov additives .

Ua yeeb yam: Tsis muaj tshuaj tua neeg lossis UV puas tom qab 5 xyoos; Corrosion tus nqi<0.001 mm/year, outperforming 316L stainless steel which showed pitting after 3 years.

Hnub Ci Zog Cog Txias Zog

Yam xwm txheej: 40 Degree Dej, 1,200 teev / Xyoo UV Raug, Perclic Thermal Kev Nyuaj Siab (} Qib rau 60 degree).

Tsim qauv tsim: PPSU nrog tio₂-Plasma kho cov nplaim thiab antioxidant sib xyaws .

Qho kawg: Withstood 10 xyoo kev ua haujlwm; tsis muaj dej xau los yog cov khoom siv tsis zoo, thaum muaj kev hloov polycarbonate yuav tsum tau hloov hauv 4 xyoos vim kev ntxhov siab tawg.

Yav Tom Ntej Hauv UV-resistant ppsu

Kev Kho Mob UV Kho Mob UV Tiv Thaiv

Photochromic Nanocomposites:

Microcapsules muaj UV Stabilizers tso tawm ntawm UV-induced kev puas tsuaj,}} rov qab los ntawm UV tsis kam tom qab 100}}

Dynamic Kev sib haum xeeb Polymers:

PPSU hloov kho nrog cov nyiaj rov qab los ntawm cov neeg ua haujlwm ntxiv tom qab UV-Indusce Kev Ncaj Ncees ntau dua kaum xyoo dhau los.

Ntse UV Xyuas Cov Tshuab

UV-REWATIONS:

Embedded Quantum Dot Sensors Hloov xim thaum UV raug ntau dua li qhov pib, muab kev pom ntawm cov khoom tsis taus ntawm cov ntaub ntawv {}}

Iot-enabled UV Dosimeters:

Wireless sensors Kev ntsuas kev siv UV koob tshuaj UV koob tshuaj UV koob tshuaj thiab kub, twv ua qhov kev pab cuam uas tseem tshuav kev txij nkawm .

Kev Ua Haujlwm UV-resistant formulations

Biobased UV stabilizers:

Cog-muab tau nws txoj kev xaiv (e . g}}}

Siab siab dua UV-resistant ppsu:

Tom qab cov neeg siv khoom ppped nrog qhov tsawg kawg ntawm UV zog, ua kom cov khoom siv uas voj voog kaw rau sab nraum zoov cov ntawv thov.

Tag

UV tiv thaiv cov khoom ppsu tsis yog tsuas yog ib tug tseem ceeb ntawm kev tiv thaiv sab nraud Kev tshawb fawb pom zoo tias tsim cov fittings kom zoo thiab muaj kev lag luam nyob rau sab nraum zoov kev txhim kho thiab kev kho kom zoo dua qub Sab nraum zoov kev ua tau zoo, Solidifying PPSu raws li cov khoom siv ntawm kev xaiv rau cov ntawv thov sab nraum zoov uas ruaj khov thiab muaj zog yog tsis muaj kev sib ceg.