Nukawoe nye susu siwo tae PVC plastic ƒe amadede ɣi le?

Nukawoe nye susu siwo tae PVC plastic ƒe amadede ɣi le?

Plastik ƒe amadede ɣi fia kɔsɔkɔsɔ ƒe dɔwɔwɔ si le kɔsɔkɔsɔ-si le abe polymer molecule kɔsɔkɔsɔ ƒe gbagbã le dzoxɔxɔ gã, oxidizing nuto me, alo le ultraviolet, infrared, kple nugbagbevi suesuewo ƒe dɔwɔwɔ te, si ʋãa free radical detachment.

Nusiwo gbɔna koŋ ye nye plastikwo ƒe amadede ɣi si bɔ:

1. keklẽ si woyɔna be ultraviolet .

Kekeli si ɣea do ɖe gota ya ƒokpli la nye ɣeyiɣi ƒe didime si metso o si ƒe ƒutsotsoe ƒe didime nye 0.7-3000nm, si ƒe 300-400nm ultraviolet keklẽ nye nusi koŋ gbɔ polymer ƒe gbegblẽ tsona. eye foton ƒe ŋusẽ si le ultraviolet ƒe didime si nye 290-400nm me nye 300-419kJ/e, si kɔkɔ wu kadodo ƒe ŋusẽ si le atike ƒe kadodo tɔxɛ aɖewo me le polymers me.

2. Dzoxɔxɔ ƒe ŋusẽ ƒe ŋusẽkpɔɖeamedzi .

Dzoxɔxɔnamɔ̃ vovovowo kpɔa ŋusẽ ɖe PVC ƒe kekeli ƒe liƒo dzi le mɔ vovovowo nu.

BA/CD kple organotin carboxylate compounds (abe maleic anhydride ester organotin stabilizers ene ate ŋu ana UV nali ke vaseɖe PVC ƒe nɔnɔmetata siwo wozãna le gota, esime organotin ƒe atike siwo me sulfur le (abe sulfur alcohol organic tin stabilizers ene. Kekeli ƒe liƒo si le di-salt lead stabilizer la sɔ gbɔ wu tri-salt lead stabilizer tɔ.

3. Antioxidant system ƒe ŋusẽkpɔɖeamedzi .

Fifia la, stabilizers siwo PVC profile wɔlawo zãna la nyea stabilizers siwo wowɔ ɖekae koŋ. Tsɔ kpe ɖe atike vevitɔ si naa PVC ƒe gbegblẽ nɔa te ŋu la, wo dometɔ aɖewoe nye amisisi ƒe ɖoɖowo, antioxidant ɖoɖowo kple ɖoɖo bubu siwo naa li ke.

Antioxidant ƒe ɖoɖoa ate ŋu anye phenolic stabilizers kple phosphite co-stabilizers. Nu gbagbewo ƒe amadede siwo ƒe amadede trɔna bɔbɔe ate ŋu anɔ atike siawo me, eye tsɔ kpe ɖe eŋu la, woate ŋu awɔ amadede ƒe tɔtrɔ ƒe dɔwɔwɔwo le kekeli, ɔksidzin, kple tsi ƒe dɔwɔwɔ te.

3mm PVC foam sheet .

10mm PVC foam board .

7mm PVC foam board .

5mm PVC foam board .