Physics & Astronomy
methylene
59%
copolymers
46%
membranes
34%
gases
24%
fluoropolymers
18%
gas transport
18%
selectivity
12%
teflon (trademark)
8%
cellulose
7%
polycarbonates
7%
acetates
7%
polyimides
6%
hydrocarbons
6%
performance
5%
thermal stability
5%
composite materials
4%
polymers
3%
Medicine & Life Sciences
chlorotrifluoroethylene
100%
Gases
40%
Membranes
28%
formal glycol
12%
polysulfone P 1700
10%
acetylcellulose
10%
polycarbonate
9%
Hydrocarbons
8%
Nylons
8%
Polytetrafluoroethylene
7%
Polymers
6%
Chemical Compounds
Copolymer
31%
Gas
25%
Chemical Resistance
9%
Poly(tetrafluoroethylene)
8%
Polyimide Macromolecule
7%
Polyamide
7%
Hydrocarbon
5%
Acetate
5%
Composite Material
3%
Amount
3%
Earth & Environmental Sciences
membrane
32%
gas
24%
gas transport
16%
cellulose
6%
acetate
6%
polymer
5%
family
4%
hydrocarbon
4%
chemical
3%