detailed introduction to the role and categories of PVC lubricants
A detailed introduction to the role and categories of PVC lubricants
Regarding the mechanism of action of PVC lubricants, PVC lubricants can be divided into two categories: external lubricants and internal lubricants. Since the factors affecting the effect of lubricants are extremely complex and there are many factors, the editor will briefly introduce them here: First, the main softening mechanism or plasticizing mechanism of PVC lubricants. For PVC profiles, plasticizers and lubricants can usually be considered the same type of material, but since PVC plastics are often considered the same type of material used for PVC profiles, PVC lubricants have a longer carbon chain and low polarity. Therefore, the compatibility between the PVC profile and the lubricant will be significantly reduced, and only a small fraction of the PVC lubricant molecules can penetrate into the molecular chains of the polymer, further weakening the mutual attraction between the molecular chains . This will make it easier for the polymer chains to spin and slide between the molecular chains.