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重点研究了热固性塑料和高结晶度的聚烯烃塑料与其涂层在界面上的渗透作用。当上述塑料表面被轻微溶胀后，在塑料－涂料界面上存在相互渗透作用，并形成了一扩散层，其渗透粘附作用有力地提高了涂层的附着力。
The infiltration of thermosetting plastics and high crystallinity polyolefin plastics and their coatings at the interface has been studied. When the above plastic surface is slightly swollen, there is an interpenetration at the plastic-coating interface and a diffusion layer is formed, the penetration adhesion of which strongly increases the adhesion of the coating.