A material for forming an underlayer film used in a multi-layer resist process satisfies: (i) an elemental composition ratio Re defined by the following mathematical formula (1) is 1.5 to 2.8; (ii) a glass transition temperature is 30° C. to 250° C.; and (iii) the material contains at least one (preferably two or more) resin having a specific structural unit. In the mathematical formula (1), N.sub.H is the number of hydrogen atoms in the solid content of the material for forming an underlayer film, N.sub.C is the number of carbon atoms in the solid content of the material for forming an underlayer film, and N.sub.O is the number of oxygen atoms in the solid content of the material for forming an underlayer film.

[00001]$\begin{array}{cc}\mathrm{Re}=\frac{N_H+N_C+N_O}{N_C-N_O}& \left(1\right)\end{array}$

This invention relates to a rubber compound for tire treads, comprising:

30 to 70 parts by weight per hundred parts by weight rubber (phr) of a cyclopentene ring-opening rubber having a Tg of −120° C. to −80° C. and a ratio of cis to trans of 5:95 to 40:60; and 20 phr to 60 phr of a high vinyl polybutadiene rubber.

This invention relates to compositions suitable for use as coatings. More particularly, this invention relates to compositions suitable for use as industrial coatings such as anti-corrosion coatings, protective coatings and adhesive coatings. This invention relates to compositions and methods for coating substrates. More particularly, the invention relates to coating compositions and methods for coating substrates, where the coating compositions comprise polymerized olefins and cyclic olefins, via different chemical transformations. The invention also relates to methods of applying the coatings to the substrates.

Disclosed herein in various embodiments are aryl-ether free polyaromatic polymers based on random copolymer architecture with two, three, or more aromatic ring components and methods of preparing those polymers. The polymers of the present disclosure can be used as ion exchange membranes, e.g., as anion exchange membranes, and ionomer binders in alkaline electrochemical devices.

A conductive polymer composition having the resistance to moisture and heat in the coating film is provided. A conductive polymer composition comprising a solvent and a π-conjugated conductive polymer is provided. A vinyl sulfone group-containing compound containing a vinyl sulfone group as a dopant of the conductive polymer or an additive is included and when the conductive polymer composition contains the vinyl sulfone group-containing compound as the additive, the vinyl sulfone group-containing compound contains a plurality of vinyl sulfone groups.

Methods for recycling oligomeric units derived from a first polymer into a second polymer are provided herein. Methods of preparing oligomeric macromonomers from oligomeric units are further provided. Methods of polymerizing oligomeric macromonomers are further provided.

A conductive polymer composition having the resistance to moisture and heat in the coating film is provided. A conductive polymer composition comprising a solvent and a π-conjugated conductive polymer is provided. A vinyl sulfone group-containing compound containing a vinyl sulfone group as a dopant of the conductive polymer or an additive is included and when the conductive polymer composition contains the vinyl sulfone group-containing compound as the additive, the vinyl sulfone group-containing compound contains a plurality of vinyl sulfone groups.

Exfoliated nanoplatelets functionalized with a non-polar moiety, such as an ethylene or propylene derived polymer, are useful for forming composites, films, and polymer blends.

Exfoliated nanoplatelets functionalized with a non-polar moiety, such as an ethylene or propylene derived polymer, are useful for forming composites, films, and polymer blends.

This invention relates to a rubber compound for tire treads, comprising: 30 to 70 parts by weight per hundred parts by weight rubber (phr) of a cyclopentene ring-opening rubber having a Tg of 120 C. to 80 C. and a ratio of cis to trans of 5:95 to 40:60; and 20 phr to 60 phr of a high vinyl polybutadiene rubber.