Curable composition for polymer electrolyte, and layered body

Patent metadata

Field	Value
Publication number	US-11958274-B2
Application number	US-201916978217-A
Country	US
Kind code	B2
Filing date	Mar 6, 2019
Priority date	Mar 7, 2018
Publication date	Apr 16, 2024
Grant date	Apr 16, 2024

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 massthe component (B): from 1 to 40% by mass, andthe component (C): from 0.1 to 15% by mass.

First claim

What is claimed is:

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,

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,
wherein a content of the component (a1) based on the entire component (A) is from 20 to 100% by mass, and
wherein the component (a1) comprises the compound having a urethane bond in the molecule.

2. 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.

3. The curable composition for a polymer electrolyte according to claim 2 , wherein:
the component (A) further comprises a component (a3): a compound having a ring structure and one (meth)acryloyl group, provided that the component (a3) is not the component (a2), 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.

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

5. 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.

6. The curable composition for a polymer electrolyte according to claim 5 , wherein the component (D) comprises polymer fine particles.

7. 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.

8. 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.

9. The curable composition for a polymer electrolyte according to claim 1 , wherein a molecular weight of the component (a1) is from 3,000 Mn to 80,000 Mn.

10. 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;
a content of the component (a2) based on the entire component (A) is 20% by mass or less;
the component (A) further comprises a component (a3): a compound having a ring structure and one (meth)acryloyl group, provided that the component (a3) is not the component (a2); 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.

Assignees

• Toagosei Co Ltd

Inventors

• Inata Kazumasa

Classifications

• B32B27/308 Primary

  comprising acrylic (co)polymers · CPC title

• C08F290/00

  Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups · CPC title

• C08L63/08

  Epoxidised polymerised polyenes · CPC title

• H01M8/0284 Primary

  Organic resins; Organic polymers · CPC title

• H01M10/0565

  Polymeric materials, e.g. gel-type or solid-type · CPC title