These are the most frequently used words in this book.
1990
1992
acid
activity
applications
bacterial
biodegradability
biodegradable
biodegradation
carbon
cell
chain
chemical
commercial
company
conditions
content
cost
data
degradable
degradation
die
different
effect
environment
enzyme
even
extrusion
figure
film
first
form
grades
granules
high
however
level
marchessault
masterbatch
material
may
melt
method
mm
molecular
new
oxygen
packaging
part
particles
patent
period
phas
phb
phbv
physical
plastics
polyethylene
polym
polymer
possible
problem
process
produced
production
products
properties
rate
repro
results
samples
screw
should
shown
soil
standard
starch
strength
structure
studies
substance
substrate
surface
synthetic
system
table
technology
temperature
tensile
test
testing
time
two
units
use
used
waste
water
weight
work