UV a ɛma ɛyɛ den .
Photooxidation yɛ nea efi hann ne oxygen a wɔaka abom no mu ba, na nhwɛso a ɛho hia sen biara ne sɛnea owia hann yɛ adwuma wɔ oxygen a ɛwɔ mframa mu no mu. Photooxidation a ɛwɔ polymers ne nneɛma afoforo mu no betumi ama asɛe, ne kɔla asesa na ayɛ adwuma gye sɛ wɔasiw ano anaasɛ ɛkyɛ kɛse.
UV stabilizer nneɛma ahorow atitiriw abiɛsa na ɛwɔ hɔ:
UV a ɛtwetwe nneɛma (a benzotriazoles ne benzophenones ka ho) .
Hals (amine a ɛyɛ mmerɛw a ɛyɛ hann a ɛma ɛyɛ den) .
Benzoate .
Photostabilization nhyehyɛe a ɛfata a wobɛpaw no gyina nneɛma ahorow so, a nea ɛka ho ne nneɛma a wɔde di dwuma, nneɛma a wɔde di dwuma awiei, nneɛma a wɔde di dwuma, nneɛma a wɔde di dwuma, nkitahodi a ɛne nhyehyɛe no mu nneɛma afoforo di nkitaho, ne adwumayɛ ne ɛka a wɔhwɛ kwan. Wɔde ano aduru kwan a wɔayɛ no di dwuma kɛse, a nea ɛka ho ne sɛ wobesusuw nneɛma a wɔyɛ ho ama ayɛ mmerɛw sɛ wɔde bɛka ho ne ahobammɔ/ahotew ho ahwehwɛde ahorow.
