Is the 88% pVA used in early 70-liter reactors the same as the 80% pVA used nowadays?

2011-03-15View Original

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Is the 88% pVA used in early 70-liter reactors the same as the 80% pVA used nowadays? If they are different, what was the reason for the change at that time?

Reply #22011-03-18

We are still using 88% up to now

Reply #32011-03-18

1 is the cost issue; after switching to 80%, the amount of dispersant used is reduced

Reply #42011-03-18

It’s different; mainly, its gel-retaining ability is better after dispersion. It is also used during selection

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Is the 88% pVA used in early 70-liter reactors the same as the 80% pVA used nowadays?

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