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

 

 

Table 2 Selection of antioxidants and UV stabilizers for polymers

Category Product  r-PVC f-PVC POM PA PC PBT PET PMMA ABS PS UPES PU flexible foam PU micro-cellular foam TPU elastomer TPE Synthetic rubber
antioxidant 168         ■ ■        
1010            
1024                        
1035                              
1076                    
1098                        
1135                          
1520                            
245            
3114                              
5057                            
 B215                            
 B225                          
 B900                      
 dltdp                          
 dstdp                        
UV absorber P                
213                
234    
312                    
326            
329                          
360                            
531                  
571                            
1577      
hindered amine light stabilizer 622                    
765              
770              
783                              
791                      
944                  

□ can be used,  ■ recommended

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