C08K2003/0887

COMPOSITE CABLES
20200362644 · 2020-11-19 ·

Disclosed are 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.

COMPOSITIONS FOR ADDITIVE MANUFACTURING AND METHODS OF ADDITIVE MANUFACTURING, PARTICULARLY OF NUCLEAR REACTOR COMPONENTS

Additive manufacturing methods use a surrogate slurry to iteratively develop an additive manufacturing protocol and then substitutes a final slurry composition to then additively manufacture a final component using the developed additive manufacturing protocol. In the nuclear reactor component context, the final slurry composition is a nuclear fuel slurry having a composition: 30-45 vol. % monomer resin, 30-70 vol. % plurality of particles of uranium-containing material, >0-7 vol. % dispersant, photoactivated dye, photoabsorber, photoinitiator, and 0-18 vol. % (as a balance) diluent. The surrogate slurry has a similar composition, but a plurality of surrogate particles selected to represent a uranium-containing material are substituted for the particles of uranium-containing material. The method provides a means for in-situ monitoring of characteristics of the final component during manufacture as well as in-situ volumetric inspection. Compositions of surrogate slurries and nuclear fuel slurries are also disclosed.

Conductive polymer composite for adhesion to flexible substrate and method for preparing same

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.

RADIOPAQUE MATERIAL AND COMPOSITIONS AND DEVICES INCLUDING THE SAME
20200316264 · 2020-10-08 ·

A radiopaque filler material contains a mixture of a first radiopaque material and a second radiopaque material different from the first radiopaque material. The radiopaque filler material may be dispersed in a polymeric material. The polymeric material may be used to prepare a medical device or a part thereof. The polymeric material containing the radiopaque filler material exhibits a level of radiopacity that is substantially even across varying imaging energy levels.

Conductive polymer composite

A conductive polymer composite includes: a thermoplastic polymer; a plurality of carbon nanotubes; and a plurality of metallic particulates in an amount ranging from about 0.5% to about 80% by weight relative to the total weight of the conductive polymer composite.

POLYMER MATERIAL WITH FLAME RETARDANT

The invention provides for an artificial turf fiber comprising or consisting of polymer material. The polymer material comprises a first flame retardant. The first flame retardant is a salt having a positive enthalpy of solution in water.

METHODS AND SYSTEMS FOR 3D PRINTING WITH POWDERS
20200282461 · 2020-09-10 ·

A method of printing a three dimensional article (201) can include forming a bottom layer of the three dimensional article (201) by spraying a dry build material powder (210) onto a build platform (230) while heating the dry build material powder (210). The dry build material powder (210) can include metal or ceramic particles mixed with a polymeric binder having a softening point temperature. The dry build material powder (210) can be heated to a temperature above the softening point temperature such that the dry build material powder (210) adheres to the build platform (230). Subsequent layers can be formed by spraying dry build material powder (210) onto a lower layer while heating the dry build material powder (210) such that the dry build material powder (210) adheres to the lower layer.

Composite cables

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.

RESIN COMPOSITION FOR ACOUSTIC MATCHING LAYER, CURED PRODUCT, ACOUSTIC MATCHING SHEET, ACOUSTIC PROBE, ACOUSTIC MEASURING APPARATUS, METHOD FOR PRODUCING ACOUSTIC PROBE, AND ACOUSTIC MATCHING LAYER MATERIAL SET

Provided is a resin composition for an acoustic matching layer, the resin composition including an epoxy resin (A), a specific polyamine compound (B), and metal particles (C). The epoxy resin (A) includes at least one epoxy resin selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. Also provided are a cured product formed of the composition, an acoustic matching sheet, an acoustic probe, an acoustic measuring apparatus, a method for producing an acoustic probe, and an acoustic matching layer material set.

RESIN COMPOSITION FOR ACOUSTIC MATCHING LAYER, ACOUSTIC MATCHING SHEET, ACOUSTIC WAVE PROBE, ACOUSTIC WAVE MEASURING APPARATUS, METHOD FOR MANUFACTURING ACOUSTIC WAVE PROBE, AND MATERIAL SET FOR ACOUSTIC MATCHING LAYER
20200255652 · 2020-08-13 · ·

A resin composition for an acoustic matching layer; an acoustic matching sheet formed from the composition; an acoustic wave probe; an acoustic wave measuring apparatus; a method for manufacturing an acoustic wave probe; and a material set, for an acoustic matching layer, that is suitable for preparation of the composition, in which the resin composition for an acoustic matching layer includes a binder including a resin; and metal particles having a monodispersity of 40% to 80%, wherein the monodispersity is calculated by equation (1):


monodispersity (%)=(standard deviation of particle sizes of metal particles/average particle size of metal particles)100.