-3 (d) Crystalline polyethylene has a density of 1000 kg m* and amorphous polyethylene a density of 865 kg m3. Calculate the volume fraction crystallinity of a sample of branched polyethylene which has a density of 900 kg m3. Why is the crystallinity of this sample so low?

-3 (d) Crystalline polyethylene has a density of 1000 kg m* and amorphous polyethylene a density of 865 kg m3. Calculate the volume fraction crystallinity of a sample of branched polyethylene which has a density of 900 kg m3. Why is the crystallinity of this sample so low?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter10: Fuels, Organic Chemicals, And Polymers

Section10.6: Synthetic Organic Polymers

Problem 10.7PSP

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(d)
Crystalline polyethylene has a density of 1000 kg m³ and amorphous polyethylene a density
of 865 kg m3. Calculate the volume fraction crystallinity of a sample of branched polyethylene
which has a density of 900 kg m. Why is the crystallinity of this sample so low?

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