Iphaneli yeAluminiyam ehlanganisiweyo yabavelisi kunye nababoneleli eChina ukusukela ngo-2002 - iHenglicai ACP
Ulwimi
Iphaneli yeAluminiyam ehlanganisiweyo yabavelisi kunye nababoneleli eChina ukusukela ngo-2002 - iHenglicai ACP
ISayensi eNgemva kokuBuyiselwa koMlilo kwePVDF iiPaneli zeAluminium Composite
Iiphaneli ze-Aluminium composite (ACP) ziye zanda kakhulu njengezinto zokwakha ngenxa yeendleko-zokusebenza, ukukhanya, ukuqina, kunye nokuguquguquka koyilo. I-Polyvinylidene fluoride (PVDF) sisigqubuthelo esisetyenziswa ngokuqhelekileyo kwiiphaneli ze-aluminiyam ehlanganisiweyo ukunyusa ukusebenza kwazo, kubandakanywa ukubuyiswa komlilo. Kweli nqaku, siza kuphanda kwisayensi emva kokungabikho komlilo kwePVDF iipaneli ze-aluminium composite.
Yintoni iPVDF?
I-PVDF yi-thermoplastic fluoropolymer eneempawu ezimangalisayo ezifana nokumelana neekhemikhali, amandla omatshini, ukuxhathisa kwe-abrasion, ukuxhathisa kwe-UV, kunye nokungabambeki. I-PVDF yenziwe nge-vinylidene difluoride monomer kwaye iqhele ukusetyenziswa njengesixhobo sokugquma kwi-metal substrates, kuquka i-aluminiyam, intsimbi, kunye nentsimbi.
I-PVDF ikuphucula njani ukulibaziseka komlilo kwiiphaneli ze-aluminiyam ehlanganisiweyo?
I-PVDF yeyona nto igqwesileyo ekwazi ukumelana nomlilo kwaye ibisetyenziswa njengesixhobo sokugquma kwisakhiwo sangaphandle amashumi eminyaka. I-fire-retardancy ye-PVDF-coated aluminium composite panels ibangelwa kwisakhiwo sayo esikhethekileyo se-molecular, esikhuthaza iipropati zokucima. Ezi zilandelayo ziindlela apho i-PVDF iphucula ukubuyiswa komlilo kweephaneli ze-aluminium composite.
Ukuzinza kwe-Thermal
I-PVDF inozinzo olubalaseleyo lwe-thermal kwaye inokumelana namaqondo obushushu aphezulu ngaphandle kokubola kwe-thermal. Xa iipaneli ze-aluminium composite zidibana nomlilo, i-PVDF yokugqoka igcina ingqibelelo yayo, ikhusela izinto eziphambili ekutshiseni kunye nokusabalalisa umlilo kwezinye iindawo zesakhiwo.
Ukhuselo lobushushu
Emva kokuvezwa emlilweni, i-PVDF yenza umaleko okhuselayo phezu kwepaneli ye-aluminium composite, ukuthintela ukuhanjiswa kobushushu kwizinto eziphambili. Esi siphumo sokukhusela i-thermal sinciphisa ubushushu bezinto eziphambili, ukuthintela ukuvutha kunye nokuqhubela phambili komlilo.
Ukukhutshwa kwerhasi
Xa ibonakaliswe emlilweni, i-PVDF ikhupha isixa esincinci segesi, esicinezela ukusabela kokutsha ngokunciphisa uxinzelelo lwe-oksijini efunekayo ekutshiseni. Igesi nayo yenza umqobo wokukhusela, ukuthintela i-oksijini ekufikeleleni kwizinto eziphambili kunye nokucima amadangatye.
Ukuqulunqwa kwe-Char
I-PVDF inamandla aphezulu okwenza i-char-forming, oku kuthetha ukuba ibolile ibe yintsalela ye-carbonaceous xa ibonakaliswe emlilweni, iphucula ukubuyiswa komlilo wezinto eziphathekayo. Uluhlu lwe-char lusebenza njengesithintelo sokukhusela, ukukhusela ukuhanjiswa kobushushu kwizinto eziphambili.
Ukunciphisa umsi
Umsi ophuma emlilweni unokuba yingozi kakhulu kwaye unoxanduva lokubangela ukufa okuninzi okunxulumene nomlilo. I-PVDF yeyona nto ibalaseleyo yokucinezela umsi, ukunciphisa umsi ophuma ngexesha lomlilo. Umsi oncitshisiweyo nawo uphucula ukubonakala ngaphakathi kwesakhiwo, uququzelela ukukhutshwa okukhuselekileyo.
Ukuqukumbela
I-fire-retardancy ye-PVDF-coated aluminium composite panels ibangelwa kwisakhiwo sayo se-molecular, esikhuthaza iimpawu zokuzicima. I-PVDF iphucula ukubuyiswa komlilo ngokuzinza kwe-thermal, ukukhuselwa kwe-thermal, ukukhutshwa kwegesi, ukubunjwa kwe-char, kunye nokunciphisa umsi. Njengoko imimiselo yokwakha iba ngqongqo, imfuno yezinto ezithintela umlilo iya kuqhubeka inyuka, okwenza iipaneli ze-aluminium ezifakwe kwi-PVDF ezifakwe kwi-aluminium zibe yinto efanelekileyo yokukhetha abakhi bezakhiwo kunye nabakhi.
Imibhalo engezantsi:
-Ukwakheka kweekhemikhali zePVDF kunye neempawu
-Indlela iPVDF eyongeza ngayo ukungalibali umlilo
- Iinkqubo apho i-PVDF yongeza ukugcinwa komlilo
- Ukubaluleka kwezinto ezithintela umlilo kulwakhiwo lwezakhiwo
- Izinto eziluncedo zePVDF-coated aluminiyam composite panels ukhuseleko umlilo.
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