Curable composition for polymer electrolyte, and layered body

Patent metadata

Field	Value
Publication number	US-2021008859-A1
Application number	US-201916978217-A
Country	US
Kind code	A1
Filing date	Mar 6, 2019
Priority date	Mar 7, 2018
Publication date	Jan 14, 2021
Grant date	—

Abstract

Provided is a curable composition for a polymer electrolyte, including: a component (A): a radical polymerizable compound having a (meth)acryloyl group, a component (B): a compound having, in one molecule, an epoxy group and a skeleton of at least one selected from the group consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene, and a component (C): a radical polymerization initiator, in which a content of each of the components (A) to (C) based on the entire composition is as follows,
the component (A): from 30 to 98.9% by mass the component (B): from 1 to 40% by mass, and the component (C): from 0.1 to 15% by mass.

First claim

1 . A curable composition for a polymer electrolyte, comprising:
a component (A): a radical polymerizable compound having a (meth)acryloyl group, a component (B): a compound having, in one molecule, an epoxy group and a skeleton of at least one selected from the group consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene, and a component (C): a radical polymerization initiator, wherein a content of each of the components (A) to (C) based on the entire composition is as follows, the component (A): from 30 to 98.9% by mass the component (B): from 1 to 40% by mass, and the component (C): from 0.1 to 15% by mass.

2 . The curable composition for a polymer electrolyte according to claim 1 , wherein:
the component (A) comprises a component (a1): a compound having, in one molecule, a (meth)acryloyl group and a skeleton of at least one selected from the group consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene, and a content of the component (a1) based on the entire component (A) is from 20 to 100% by mass.

3 . The curable composition for a polymer electrolyte according to claim 2 , wherein the component (a1) comprises a compound having a urethane bond in a molecule.

4 . The curable composition for a polymer electrolyte according to claim 1 , wherein:
the component (A) comprises a component (a2): a compound having a hydroxyl group and one (meth)acryloyl group, and a content of the component (a2) based on the entire component (A) is 20% by mass or less.

5 . The curable composition for a polymer electrolyte according to claim 4 , wherein:
the component (A) further comprises a component (a3): a compound having a ring structure and one (meth)acryloyl group, provided that the component (a2) is excluded, and
a content of each of the components (a1) to (a3) based on the entire component (A) is as follows,
the component (a1): from 20 to 94% by mass
the component (a2): from 1 to 20% by mass, and
the component (a3): from 5 to 70% by mass.

6 . The curable composition for a polymer electrolyte according to claim 1 , wherein the component (C) comprises a component (c1): a photoradical polymerization initiator.

7 . The curable composition for a polymer electrolyte according to claim 1 , further comprising a component (D): fine particles having a volume average primary particle size of from 0.1 to 100 μm, as measured by a wet method,
wherein a content of the component (D) based on the entire composition is from 1 to 60% by mass.

8 . The curable composition for a polymer electrolyte according to claim 7 , wherein the component (D) comprises polymer fine particles.

9 . The curable composition for a polymer electrolyte according to claim 1 , the curable composition being used as an adhesive or sealant for a fuel cell.

10 . A layered body comprising a substrate, a cured product that is formed from the curable composition for a polymer electrolyte according to claim 1 , and another substrate,
wherein at least one of the substrate or the other substrate is a polymer electrolyte.

Assignees

• Toagosei Co Ltd

Inventors

• Inata Kazumasa

Classifications

• B32B2457/18

  Fuel cells · CPC title

• B32B27/288

  comprising polyketones · CPC title

• B32B27/325

  comprising polycycloolefins · CPC title

• B32B27/286

  comprising polysulphones; polysulfides · CPC title

• B32B27/281

  comprising polyimides · CPC title