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                                    被固化后的聚氨酯，備受關注
                                    

                                
                            

                            

                                
 2021-08-04 

                                
                                    
被固化后的聚氨酯，備受關注

                                
                                

                                    
與酚醛樹脂同屬樹脂系列的聚氨酯最近被發現可被紫外光固化。據專家介紹，被紫外線固化的聚氨酯丙烯酸酯樹脂，由于其固化的速度和環保，吸引了大量業內人士的關注。它具有分子質量大、蒸汽壓低，毒性小;不含苯環而在紫外光照射下，不會發生氧化變黃，可用于制作透明耐黃變的聚氨酯產品等方面的優勢。那么聚氨酯到底是什么呢?

                                

                                
                            

                        

                    

                    
                

                

                    


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