Composite cables suitable for use in conjunction with wellbore tools. One cable may include a polymer composite that includes dopants dispersed in a polymer matrix and continuous fibers extending along an axial length of the cable through the polymer matrix, wherein the cable is characterized by at least one of the following: (1) at least a portion of the cable having a density greater than about 2 g/cm.sup.3, wherein at least some of the dopants have a density of about 6 g/cm.sup.3 or greater, (2) at least a portion of the cable having a density less than about 2 g/cm.sup.3, wherein at least some of the dopants have a density of about 0.9 g/cm.sup.3 or less, (3) at least some of the dopants are ferromagnetic, or (4) at least some of the dopants are hydrogen getters.

Provided is a polyester-based resin composition capable of giving a molded article excellent in transparency and gas-barrier property even though the molded article requires stretching treatment, and also provided is a method for producing the composition. The method for producing a polyester-based resin composition includes a step of obtaining a master batch (M) containing a polyester resin (A) having a cyclic acetal structure or an alicyclic hydrocarbon structure, and a polyamide resin (B), and a step of melt-kneading the master batch (M) with a polyester resin (R) in which 70 mol % or more of the dicarboxylic acid unit is derived from an aromatic dicarboxylic acid and 70 mol % or more of the diol unit is derived from an aliphatic diol, thereby giving a polyester-based resin composition, in this order,. The glass transition temperature of the polyester resin (A) is 105 C. or lower, the content of the polyester resin (A) in the polyester-based resin composition is 0.5 to 15.0% by mass, and the content of the polyamide resin (B) is 0.5 to 10.0% by mass.

Corrosion resistance coatings and dicyclopentadiene modified ester oligomers useful in corrosion resistant coatings. The corrosion resistant coatings exhibit improved corrosion resistance, proved adhesion, lower toxicity, unlimited pot life, and/or lower volatile organic compounds (VOCs).

Corrosion resistance coatings and dicyclopentadiene modified ester oligomers useful in corrosion resistant coatings. The corrosion resistant coatings exhibit improved corrosion resistance, proved adhesion, lower toxicity, unlimited pot life, and/or lower volatile organic compounds (VOCs).

The present disclosure relates to methods and systems for making thermoplastic resin materials and composite resin systems and materials made from the thermoplastic resins, by seeding one melted thermoplastic material with a second thermoplastic material in a crystalline state that comprises an amount of ferromagnetic material.

A rubber composition has an improved rolling resistance and is based on at least a diene elastomer comprising mainly at least one isoprene elastomer; a reinforcing filler comprising from 15 to 70 phr of carbon black having a BET specific surface area of less than 70 m.sup.2/g, and/or a COAN of less than 90 ml/100 g, and from 5 to 20 phr of silica; a salt of an alkaline-earth, alkali or lanthanide metal; and a crosslinking system; in which composition the carbon black to silica ratio is greater than 1.

A conductive polymer composite for adhesion to a flexible substrate contains a polymer adhesive containing a curable polymer and a curing agent; and a conductive filler containing a metal and a carbonaceous material dispersed in the polymer adhesive. The conductive polymer composite is suitable for application to not only the human body but also other objects having irregular surface. In addition, due to enhanced adhesive strength of the conductive polymer composite to the flexible substrate, the reduction in conductivity or conductivity breakdown caused by external stress can be prevented and flexibility and stretchability can be improved.

Provided is a conductive paste which makes it possible to form a conductive layer having excellent conductivity even when spherical copper powder having a small particle diameter is used. Disclosed is a conductive paste containing a conductive filler and a binder resin. In this conductive paste, when a first coating film is prepared by coating a first paste containing 100 parts by weight of the binder resin and 20 parts by weight of the conductive filler on a first substrate at a coating amount of 100 g/m.sup.2 and drying and curing the binder resin, the first coating film has a light transmittance of 20% or more, and when a second coating film is prepared by coating a second paste containing the binder resin but not containing the conductive filler on a second substrate at a coating amount equivalent to a dry solid content of 55 g/m.sup.2 and drying and curing the binder resin, a film thickness t m of the second coating film and a shrinkage ratio % obtained by the following formula (1) satisfy a relationship of the following formula (2): =(1(arc length of a surface of the second coating film after drying and curing)/(arc length of a second substrate after drying and curing))100 Formula (1) and (5t+50)10.sup.3 Formula (2).

An integrated surface protection system includes a single layer comprising an electrically conductive network and a fiber reinforcement material.

A polyamide resin composition includes 100 parts by weight of a polyamide resin (A), 0.1 to 50 parts by weight of a fire retardant (B), 0.001 to 1 part by weight of a metal and/or salt thereof (C), and 0.001 to 1 part by weight of a compound (D) as represented by formula [I]: QX [I] wherein in formula [I], Q represents an aromatic hydrocarbon group or an alicyclic hydrocarbon group and X represents a 5-membered heterocyclic ring group, Q and X forming a covalent bond or a fused ring.