antioxidants and UV stabilizers for polymers
Polymers in this section include r-PVC, f-PVC, POM, PA, PC, PBT, PET, PMMA, ABS, PS, UPES, PU flexible foam, PU micro-cellular foam, TPU, elastomers, TPE and synthetic rubber.
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Table 1 Features of antioxidants and UV stabilizers for polymers
Category | Product Name | MW | MR | Features |
antioxidant | 168 | 647 | 183 -186 | Hydrolytically stable phosphite, maintains color properties |
1010 | 1178 | 110 – 125 | High molecular weight, phenolic antioxidant (AO); extends long-term thermal stability | |
1024 | 553 | 221 – 232 | High performance phenolic AO and metal deactivator | |
1035 | 643 | 63 – 78 | Phenolic AO for cross-linked or carbon black containing systems | |
1076 | 531 | 50 – 55 | Highly compatible, low-color phenolic AO | |
1098 | 637 | 156 -161 | Low color phenolic AO, excellent compatibility with PA | |
1135 | 390 | < -30 | Liquid phenolic AO, specifically for PUR | |
1520 | 425 | 12-15 | Synergistic, multifunctional AO for elastomers and TPE | |
245 | 586.8 | 76 – 79 | Phenolic AO, excellent performance in engineering polymers | |
3114 | 784 | 218 – 223 | Non-discoloring phenolic AO; high extraction resistance | |
5057 | NA | NA | Liquid aromatic amine for processing and LTTS | |
B215 | NA | NA | Synergistic phenol/phosphite blend, medium phosphite content for a balanced processing and LTT stability | |
B225 | NA | NA | Synergistic phenol/phosphite blend, low phosphite content | |
B900 | NA | NA | Synergistic phenol/phosphite blend, high phosphite content | |
dltdp | 515 | 39 – 41 | Synergist extending the LTTS of phenolic AOs | |
dstdp | 683 | 64 – 67 | Synergist extending the LTTS of phenolic AOs | |
UV
absorber |
UV P | 225 | 128 – 132 | Benzotriazole for a wide array of substrates |
UV 213 | NA | -40 | Liquid benzotriazole | |
UV 234 | 448 | 137 – 141 | Benzotriazole with low volatility | |
UV 312 | 312 | 124 – 127 | Oxanilide with low initial color | |
UV 326 | 316 | 138 – 141 | Benzotriazole with enhanced absorption of long-wave UV radiation | |
UV 329 | 323 | 103 – 105 | Benzotriazole | |
UV 360 | 659 | 195 | Benzotriazole with very low volatility | |
UV 531 | 326 | 47 – 49 | Benzophenone | |
UV 571 | 394 | -56 | Liquid benzotriazole | |
UV 1577 | 425 | 148 | Hydroxyphenyltriazine with high performance and low volatility | |
light stabilizer | HALS 622 | 3100 -4000 | 50 – 70 | High molecular weight HALS with excellent color, low basicity |
HALS 765 | 508 | NA | Liquid, low molecular weight HALS | |
HALS 770 | 481 | 81 – 85 | Low molecular HALS, especially for automotive applications | |
HALS 783 | NA | NA | Synergistic blend of high molecular weight HALS | |
HALS 791 | NA | NA | Synergistic blend of high and low molecular weight HALS | |
HALS 944 | 2000 -3100 | 100 – 135 | High molecular weight HALS |
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