A transparent body production method that includes subjecting the compound represented by formula (1) to heating at a temperature equal to or greater than the melting point of said compound. In formula (1), each of W.sup.1 and W.sup.2 is the group represented by formula (2) in which the ring Z is an aromatic hydrocarbon ring, X is a single bond or S, R.sup.1 is a single bond or an alkylene group having 1-4 carbon atoms, R.sup.2 is a specific substituent, and m is an integer of 0 or higher, the group represented by formula (4) is OH or a (meth)acryloyloxy group, each of the rings Y.sup.1 and Y.sup.2 is an aromatic hydrocarbon ring, R is a single bond or a specific divalent group, each of R.sup.3a and R.sup.3b is CN, a halogen group, or a monovalent hydrocarbon group, and each of n1 and n2 is an integer of 0-4.

A binder for a nonaqueous electrolyte secondary battery electrode and use thereof are described. The binder contains a crosslinked polymer or salt thereof, the crosslinked polymer having an ethylenically unsaturated carboxylic acid and a crosslinkable monomer in constituent monomers thereof, or salt thereof, wherein the crosslinked polymer includes the ethylenically unsaturated carboxylic acid in an amount of 20 to 99.95 mass % of the total constituent monomers, and the crosslinked polymer includes at least one compound selected from the group made of trimethylolpropane diallyl ether and trimethylolpropane triallyl ether as the crosslinkable monomer.

The polymerizable compound has a hydrazone moiety. The present invention also provides a polymerizable composition in which discoloration and reduction of aligning property do not easily occur. Furthermore, the present invention provides a polymer obtained by polymerizing a polymerizable composition containing a compound obtained by the production method and an optically anisotropic body using the polymer. The present invention provides a method for producing a polymerizable compound including a step of reacting a compound represented by General Formula (I-B-a) with a compound represented by General Formula (I-B-b) to obtain a compound represented by General Formula (I-C), and provides a composition which contains a compound obtained by this production method.

Particles that can suppress the occurrence of cracking during a stress load in a connection part that connects two members to be connected are provided. The particles according to the present invention are particles used to obtain a connecting material for forming the connection part that connects two members to be connected, and the particles are used for forming the connection part such that thickness of the connection part after connection exceeds twice the average particle diameter of the particles before connection, or the particles have an average particle diameter of 0.1 or more and 15 m or loss, the particles have a 10% K value of exceeding 3000 N/mm.sup.2 and 20000 K/mm.sup.2 or less, and the particles have a particle diameter CV value of 50% or less.

A connecting material that can suppress the occurrence of cracking during a stress load in a connection part that connects two members to be connected, further can suppress the variation in thickness in the connection part to ensure the heat dissipation performance, and can increase the connection strength is provided. The connecting material according to the present invention is a connecting material used for forming the connection part that connects two members to be connected, the connecting material contains particles and metal atom-containing particles, the particles are used for forming the connection part such that thickness of the connection part after connection is twice or less the average particle diameter of the particles before connection, or the particles have an average particle diameter of 1 m or more and 300 m or less, the particles have a 10% K value of exceeding 3000 N/mm.sup.2 and 20000 N/mm.sup.2 or less, and the particles have a particle diameter CV value of 10% or less.

Particles that can suppress the occurrence of cracking or peeling during a thermal cycle in a connection part, that connects two members to be connected are provided. The particles according to the present invention are particles used to obtain a connecting material for forming a connection part that connects two members to be connected, and the particles are used for forming the connection part such that thickness of the connection part, after connection exceeds twice the average particle diameter of the particles before connection, or the particles have an average particle diameter of 0.1 nm or more and 15 m or less, the particles have a 10% K value of 30 N/mm.sup.2 or more and 3000 N/mm.sup.2 or less, and the particles have a particle diameter CV value of 50% or less.

Particles that can suppress the occurrence of cracking or peeling during a thermal cycle in a connection part that connects two members to be connected, further can suppress the variation in thickness in the connection part, and can increase the connection strength are provided. The particles according to the present invention are particles used to obtain a connecting material for forming a connection part that connects two members to be connected, and the particles are used for forming the connection part such that thickness of the connection part after connection is twice or less the average particle diameter of the particles before connection, or the particles have an average particle diameter of 1 m or more and 300 m or less, the particles have a 10% K value of 30 N/mm.sup.2 or more and 3000 N/mm.sup.2 or less, and the particles have a particle diameter CV value of 10% or less.

Arylclobutene-containing multi-functional monomers are useful in the preparation of arylcyclobutene-based polymer coatings. Compositions comprising one or more arylclobutene-containing multi-functional monomers and one or more oligomers comprising as polymerized units one or more arylcyclobutene monomer provide arylcyclobutene-based polymer coatings having reduced stress. Such compositions are useful in the manufacture of electronic devices.

Arylclobutene-containing multi-functional monomers are useful in the preparation of arylcyclobutene-based polymer coatings. Compositions comprising one or more arylclobutene-containing multi-functional monomers and one or more oligomers comprising as polymerized units one or more arylcyclobutene monomer provide arylcyclobutene-based polymer coatings having reduced stress. Such compositions are useful in the manufacture of electronic devices.

Embodiments of the disclosure generally provide compositions and methods related to articles that display reversible photoresponsive behavior.