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Microsuspension polyvinyl chloride paste resin(1) NaturePVC paste resin is a vinyl chloride homopolymer produced by the micro-suspension process, which is mixed with plasticizer and other processing AIDS during processing to form a dispersion paste, so it is called paste resin or paste resin.(2) SpecificationsTPM-31, whose polymerization degree is 1230 ~ 1430;(3) UsePVC paste resin is mainly used for processing coated artificial leather···...
View detailsEpoxidized soybean oil is a widely used non-toxic and odorless plasticizer and stabilizer for polyvinyl chloride and neoprene. It has good stability to light and heat, good compatibility, low volatility and migration. Small, it can absorb the hydrogen chloride released by the polyvinyl chloride resin during the decomposition, and can be compatible with the polyvinyl chloride, which is of great significance for improving the physical pro···...
Unfortunately, no plasticizer is perfect, so let's not just focus on the shortcomings of plasticizers.For example, DBP has an excellent plasticizing effect, but the flash point is low, and it is very easy to appear smoke during processing. Perhaps the following solutions can be considered: First, reduce the mold temperature, or add a little DOP to increase the flash point.The use of DBP for shoe materials is to take a fancy to its f···...
Reasons for appearance: high temperature, molecular weight, compatibility, time (plastic products will become hard and brittle over time)Solution: 1. In the processing process, it is necessary to understand the raw materials very well, such as internal lubrication, external lubrication, plasticizer, stabilizer, PVC powder, which has a synergistic effect to reduce the risk of precipitation. 2. Adjust the formula according to the directio···...