A fiber structure includes a biodegradable polymer fiber, the fiber structure having two or more peaks in a molecular weight distribution obtained by GPC measurement of the biodegradable polymer, and the fiber structure having one or more peaks in each of a region of 100,000 or less of molecular weight and a region of more than 100,000 of molecular weight in the molecular weight distribution obtained by GPC measurement of the biodegradable polymer.

An aspect of the present invention is a resin composition containing a polybutadiene compound having an epoxy group in a molecule, a polyphenylene ether compound having at least one of a group represented by the following Formula (1) and a group represented by the following Formula (2) in a molecule, a styrene-based block copolymer, and a curing agent.

##STR00001##

In Formula (1), p represents 0 to 10, Z represents an arylene group, and R.sub.1 to R.sub.3 each independently represent a hydrogen atom or an alkyl group.

##STR00002##

In Formula (2), R.sub.4 represents a hydrogen atom or an alkyl group.

An aspect of the present invention is a resin composition containing a polybutadiene compound having an epoxy group in a molecule, a polyphenylene ether compound having at least one of a group represented by the following Formula (1) and a group represented by the following Formula (2) in a molecule, a styrene-based block copolymer, and a curing agent.

##STR00001##

In Formula (1), p represents 0 to 10, Z represents an arylene group, and R.sub.1 to R.sub.3 each independently represent a hydrogen atom or an alkyl group.

##STR00002##

In Formula (2), R.sub.4 represents a hydrogen atom or an alkyl group.

An aspect of the present invention is a resin composition containing a polybutadiene compound having an epoxy group in a molecule, a polyphenylene ether compound having at least one of a group represented by the following Formula (1) and a group represented by the following Formula (2) in a molecule, a styrene-based block copolymer, and a curing agent.

##STR00001##

In Formula (1), p represents 0 to 10, Z represents an arylene group, and R.sub.1 to R.sub.3 each independently represent a hydrogen atom or an alkyl group.

##STR00002##

In Formula (2), R.sub.4 represents a hydrogen atom or an alkyl group.

This invention relates to an epoxy based composition, comprising at least one epoxidized unsaturated polyolefin; at least one thiol compound; and at least one curing catalyst. The epoxy based composition according to the present invention exhibits fast curing property under UV light and has improved adhesion strength after being further heated.

This invention relates to an epoxy based composition, comprising at least one epoxidized unsaturated polyolefin; at least one thiol compound; and at least one curing catalyst. The epoxy based composition according to the present invention exhibits fast curing property under UV light and has improved adhesion strength after being further heated.

To provide a composite laminate having excellent adhesiveness to a resin material imparted to a metal base material, such as an aluminum, and a method for producing the same, and a metal-resin bonded article using the composite laminate and a method for producing the same. A composite laminate 1 includes a metal base material 2 and one layer or plural layers of a resin coating layer 4 laminated on the metal base material 2, the resin coating layer 4 is laminated on a surface-treated surface of the metal base material 2, and at least one layer of the resin coating layer 4 is formed of a resin composition containing an in situ polymerizable phenoxy resin.

The current invention includes coating compositions having a lignin, methods for coating substrates using the coating compositions, and substrates coated with the coating compositions. In some embodiments of the invention, a coating composition having a mixture of a) a lignin, b) a solvent, and c) a crosslinker, wherein the lignin has a neutral or negative charge. The current invention also includes a coating composition having a mixture of a) a lignin, b) a polymeric epoxy crosslinker having glycidyl (meth)acrylate, and c) a solvent. Additionally, the current invention includes a coating composition having a mixture of a) a lignin, b) a solvent, and c) a phenolic crosslinker.

The current invention includes coating compositions having a lignin, methods for coating substrates using the coating compositions, and substrates coated with the coating compositions. In some embodiments of the invention, a coating composition having a mixture of a) a lignin, b) a solvent, and c) a crosslinker, wherein the lignin has a neutral or negative charge. The current invention also includes a coating composition having a mixture of a) a lignin, b) a polymeric epoxy crosslinker having glycidyl (meth)acrylate, and c) a solvent. Additionally, the current invention includes a coating composition having a mixture of a) a lignin, b) a solvent, and c) a phenolic crosslinker.

A self-lubricating composite material is disclosed. The self-lubricating composite material can include discontinuous polymer fiber segments dispersed within a woven matrix of semi-continuous thermoplastic fiber. The woven matrix can be embedded within a thermosetting resin. Also disclosed are methods of manufacturing the self-lubricating composite material.