US 12,195,617 B2 · Composition and stretched body

Abstract

A composition including a polytetrafluoroethylene and a polymer (I) containing a polymerization unit (I) based on a monomer represented by the following general formula (I), the composition having a standard specific gravity of 2.200 or less: CX1X3═CX2R(—CZ1Z2-A0)m (I) wherein X1 and X3 are each independently F, Cl, H, or CF3; A0 is an anionic group; X2 is H, F, an alkyl group, or a fluorine-containing alkyl group; R is a linking group; Z1 and Z2 are each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more.

Claims13

Dependent claims

A composition comprising:

a polytetrafluoroethylene;
and
a polymer (I) containing a polymerization unit (I) based on a monomer represented by the following general formula (I),
the number average molecular weight of the polymer (I) being 0.3×104 or more,
the composition being substantially free from a fluorine-containing surfactant,
the composition having a standard specific gravity of 2.200 or less:
CX1X3═CX2R(—CZ1Z2-A0)m (I)
wherein X1 and X3 are each independently F, Cl, H, or CF3;
A0 is an anionic group;
X2 is H, F or CF3;
R is a linking group;
Z1 and Z2 are each independently F or CF3;
and m is 1.

10 more elements

Dependencies are inferred from the claim text.

Composition and stretched body

Life of this patent

Composition and stretched body

Life of this patent

Abstract

Claims13