Method for determining the swelling degree of micro-suspension method polyvinyl chloride paste resin for matt products
The method for determining the swelling ratio of micro-suspension method polyvinyl chloride paste resin for matt products was determined:a 10-mL graduated test tube was used,the sample weight was0.2440 g,the addition amount of tetrahydrofuran was8 mL,the swelling temperature in the water bath was 60℃,the swelling time in the water bath was 2 hours,and the swelling time at room temperature was 48 hours.
micro-suspension method PVC paste resin for matt productsswelling ratioswellingtetrahydrofurantemperaturetime