UV olugba
Labẹ imọlẹ oorun ati fifẹ, awọn pilasitik ati awọn ohun elo polima miiran faragba ifasilẹ ifoyina laifọwọyi labẹ iṣe ti awọn egungun ultraviolet, eyiti o yori si ibajẹ ti awọn polima ati ibajẹ ti irisi ati awọn ohun-ini ẹrọ. Lẹhin ti a ti ṣafikun ultraviolet absorber, awọn egungun ultraviolet agbara-giga le ṣee gba yiyan ati yipada si agbara ti ko lewu lati tu silẹ tabi jẹ run. Nitori awọn oriṣiriṣi awọn polima, awọn iwọn gigun ultraviolet ti o dinku wọn tun yatọ. Awọn oluyaworan ultraviolet oriṣiriṣi le fa awọn egungun ultraviolet pẹlu awọn gigun gigun oriṣiriṣi. Nigbati o ba nlo, awọn ifamọ ultraviolet yẹ ki o yan ni ibamu si awọn iru awọn polima.
UV absorbers le ti wa ni pin si awọn iru awọn wọnyi ni ibamu si wọn kemikali be: salicylates, benzones, benzotriazoles, aropo acrylonitrile, triazine ati awọn miran.
Akojọ ọja:
| Orukọ ọja | CAS RARA. | Ohun elo |
| BP-1 (UV-0) | 6197-30-4 | Polyolefin, PVC, PS |
| BP-3 (UV-9) | 131-57-7 | Ṣiṣu, Aso |
| BP-12 (UV-531) | 1842-05-6 | Polyolefin, Polyester, PVC, PS, PU, Resini, Aso |
| BP-2 | 131-55-5 | Polyester/Paints/Textile |
| BP-4 (UV-284) | 4065-45-6 | Litho awo bo / Iṣakojọpọ |
| BP-5 | 6628-37-1 | Aṣọ |
| BP-6 | 131-54-4 | Awọn kikun / PS / Polyester |
| BP-9 | 76656-36-5 | Omi orisun kun |
| UV-234 | 70821-86-7 | Fiimu, Dì, Okun, Aso |
| UV-120 | 4221-80-1 | Aṣọ, alemora |
| UV-320 | 3846-71-7 | PE, PVC, ABS, EP |
| UV-326 | 3896-11-5 | PO, PVC, ABS, PU, PA, Aso |
| UV-327 | 3861-99-1 | PE, PP, PVC, PMMA, POM, PU, ASB, Coating, Inki |
| UV-328 | 25973-55-1 | Aso, Fiimu, Polyolefin, PVC, PU |
| UV-329(UV-5411) | 3147-75-9 | ABS, PVC, PET, PS |
| UV-360 | 103597-45-1 | Polyolefin, PS, PC, Polyester, Adhesive, Elastomers |
| UV-P | 2440-22-4 | ABS, PVC, PS, PUR, Polyester |
| UV-571 | 125304-04-3/23328-53-2/104487-30-1 | PUR, Ibora, Foomu, PVC, PVB, Eva, PE, PA |
| UV-1084 | 14516-71-3 | PE fiimu, teepu, PP fiimu, teepu |
| UV-1164 | 2725-22-6 | POM, PC, PS, PE, PET, ABS resini, PMMA, ọra |
| UV-1577 | 147315-50-2 | PVC, poliesita resini, polycarbonate, Styrene |
| UV-2908 | 67845-93-6 | Polyester Organic gilasi |
| UV-3030 | 178671-58-4 | PA, PET ati PC ṣiṣu dì |
| UV-3039 | 6197-30-4 | Silikoni emulsions, omi inki, Akiriliki, fainali ati awọn miiran adhesives, Akiriliki resins, Urea-formaldehyde resins, Alkyd resins, Expoxy resins, Cellulose iyọ, PUR awọn ọna šiše, Epo kikun, polima dispersions |
| UV-3638 | 18600-59-4 | Ọra, Polycarbonate, PET, PBT ati PPO. |
| UV-4050H | 124172-53-8 | Polyolefin, ABS, ọra |
| UV-5050H | 152261-33-1 | Polyolefin, PVC, PA, TPU, PET, ABS |
| UV-1 | 57834-33-0 | Fọọmu sẹẹli micro-cell, foomu awọ ara, foomu lile lile, ologbele-kosemi, foomu rirọ, ti a bo aṣọ, diẹ ninu awọn adhesives, sealants ati elastomers |
| UV-2 | 65816-20-8 | PU, PP, ABS, PE ati HDPE ati LDPE. |
