Patent ID: 11876228
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. An organic sulfur material comprising:
a sulfur-modified acrylic resin formed by calcination of sulfur and an acrylic resin wherein the amount of sulfur in the organic sulfur material is 50.0% by mass or more, and
wherein the acrylic resin is a copolymer formed from a monomer of at least one selected from the group consisting of acrylate compounds represented by the following formula (1) and a monomer of at least one selected from the group consisting of diacrylate compounds represented by the following formula (2),

CH2═C(R11)COOR12  (1)

wherein R11 is a hydrogen atom or a methyl group, and R12 is an alkyl group,

CH2═C(R21)COO—Y—OCO(R22)C═CH2  (2)

wherein
each of R21 and R22 is the same or different and is a hydrogen atom or a methyl group,
Y is a hydrocarbylene group, wherein the hydrocarbylene group may have at least one substituent selected from the group consisting of a hydroxyl group and an alkyl group,
a carbon skeleton constituting the hydrocarbylene group may have an ether bond with an oxygen atom, and
when there are two or more ether bonds, two or more carbon atoms always intervene between the adjacent oxygen atoms.