Polymer Composition and Porous Membrane
A polymer composition containing a polymer (B) obtained by polymerizing a monomer composition containing: a methacrylic acid ester macromonomer (b1) represented by the following formula (1); and another monomer (b2). Also, a porous membrane formed from a membrane forming polymer (A) and the aforementioned polymer composition.
1 . A polymer composition comprising:
a membrane forming polymer (A); and
a polymer (B) obtained by polymerizing a monomer composition containing a methacrylic acid ester macromonomer (b1) represented by the following Formula (1)
and another monomer (b2),
where
R and R 1 to R n of Formula (1) each independently represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group,
Z is a terminal group, and
n is an integer from 2 to 10,000.
2 . The polymer composition according to claim 1 , further comprising a membrane forming polymer (A).
3 . The polymer composition according to claim 2 , wherein the membrane forming polymer (A) is a fluorine-containing polymer.
4 . The polymer composition according to claim 1 , wherein the other monomer (b2) is (meth)acrylic acid or a (meth)acrylate.
5 . The polymer composition according to claim 1 , wherein a contact angle of pure water on an outer surface of a porous membrane formed from the polymer composition is 75° or less.
6 .- 10 . (canceled)