和自然存在的分子如木材和水一样,聚合物在21世纪是无处不在。几百种聚合物在上千种场合下运用,从房屋到运输,再到食品和饮料包装,无处不在。随着新技术使聚合物的种类和运用范围扩大,配方变得越来越复杂。这是因为新 Like naturally occurring molecules such as wood and water, polymers are ubiquitous in the 21st century. Hundreds of polymers are used on thousands of occasions, from houses to transportation, to food and beverage packaging everywhere. As new technologies have broadened the range and use of polymers, formulations have become more sophisticated. This is because new