C08K3/22

Resin composition, method for producing resin composition, resin composition molded body, and method for producing resin composition molded body
11578183 · 2023-02-14 · ·

A resin composition including: a magnetic fluid that includes magnetic particles, a dispersant, and a dispersion medium; and a resin or precursor thereof that includes, in a molecule thereof, at least one partial structure selected from the group consisting of a diene skeleton, a silicone skeleton, a urethane skeleton, a 4- to 7-membered ring lactone skeleton, an alkyl group having from 6 to 30 carbon atoms and an alkylene group having from 6 to 30 carbon atoms, a production method thereof, a resin composition molded body obtained by using the resin composition, and a production method thereof.

Resin composition, method for producing resin composition, resin composition molded body, and method for producing resin composition molded body
11578183 · 2023-02-14 · ·

A resin composition including: a magnetic fluid that includes magnetic particles, a dispersant, and a dispersion medium; and a resin or precursor thereof that includes, in a molecule thereof, at least one partial structure selected from the group consisting of a diene skeleton, a silicone skeleton, a urethane skeleton, a 4- to 7-membered ring lactone skeleton, an alkyl group having from 6 to 30 carbon atoms and an alkylene group having from 6 to 30 carbon atoms, a production method thereof, a resin composition molded body obtained by using the resin composition, and a production method thereof.

Resin composition, method for producing resin composition, resin composition molded body, and method for producing resin composition molded body
11578183 · 2023-02-14 · ·

A resin composition including: a magnetic fluid that includes magnetic particles, a dispersant, and a dispersion medium; and a resin or precursor thereof that includes, in a molecule thereof, at least one partial structure selected from the group consisting of a diene skeleton, a silicone skeleton, a urethane skeleton, a 4- to 7-membered ring lactone skeleton, an alkyl group having from 6 to 30 carbon atoms and an alkylene group having from 6 to 30 carbon atoms, a production method thereof, a resin composition molded body obtained by using the resin composition, and a production method thereof.

Additive layer manufacturing method and articles

An additive layer manufacturing method, preferably using selective laser sintering, for manufacturing a solid article, the method including applying a layer of a powder, the powder including at least one powdered (co)polymer, onto a solid substrate in a processing chamber; fusing the powder layer onto the solid substrate; subsequently depositing successive layers of the powder, wherein each successive layer is selectively fused prior to deposition of the subsequent layer of powder so as to form the article. In some embodiments, the powder further includes abrasive particles having a hardness greater than or equal to that of aluminum oxide.

Additive layer manufacturing method and articles

An additive layer manufacturing method, preferably using selective laser sintering, for manufacturing a solid article, the method including applying a layer of a powder, the powder including at least one powdered (co)polymer, onto a solid substrate in a processing chamber; fusing the powder layer onto the solid substrate; subsequently depositing successive layers of the powder, wherein each successive layer is selectively fused prior to deposition of the subsequent layer of powder so as to form the article. In some embodiments, the powder further includes abrasive particles having a hardness greater than or equal to that of aluminum oxide.

Polymeric additives made using base addition and related methods

A method for assessing polymeric additive content A in a polymeric particle mixture may comprise determining a concentration B of a metal cation in a polymeric particle mixture comprising parent polymeric particles and polymeric additive particles, wherein the metal cation is selected from alkali earth metals and alkali metals, other than sodium (Na), and the metal cation is capable of forming a water-soluble base; determining a concentration C of the metal cation in the parent polymeric particles; determining a concentration D of the metal cation in the polymeric additive particles; and calculating a polymeric additive content A using formula A=(B−C)/D.

Polymeric additives made using base addition and related methods

A method for assessing polymeric additive content A in a polymeric particle mixture may comprise determining a concentration B of a metal cation in a polymeric particle mixture comprising parent polymeric particles and polymeric additive particles, wherein the metal cation is selected from alkali earth metals and alkali metals, other than sodium (Na), and the metal cation is capable of forming a water-soluble base; determining a concentration C of the metal cation in the parent polymeric particles; determining a concentration D of the metal cation in the polymeric additive particles; and calculating a polymeric additive content A using formula A=(B−C)/D.

IR-reflective ink, film, and tape

The present application is drawn to infrared reflective ink formulations, infrared reflective dried coatings prepared from such inks, and IR-reflective substrates and adhesive tapes prepared from such inks and coatings. The inks are suitable for printing by gravure or flexo methods onto polymeric substrates such as PET, paper, or other substrate materials. The coatings are reflective in the near-infrared range. The coatings and tapes are well suited for use in manufacturing methods. The coatings and/or the tapes are ultrathin, on the order of a few micrometers, making them attractive for use in different industrial applications.

Thermally-conductive silicone gel composition, thermally-conductive member, and heat dissipation structure
11578245 · 2023-02-14 · ·

Provided is: a thermally conductive silicone gel composition which has a high thermal conductivity, and is less likely to flow out and slip off/drop off from a surface on which the gel composition is placed, even when the composition that has not been cured is placed on a sloped surface or in a vertical direction, and has excellent gap-filling ability with respect to a heat dissipation part, etc., and excellent repairability if desired; a thermally conductive member comprising the thermally conductive silicone gel composition; and a heat dissipation structure using the same. The thermally conductive silicone gel composition comprises: (A) an alkenyl group-containing organopolysiloxane; (B) an organohydrogenpolysiloxane; (C) a catalyst for a hydrosilylation reaction; (D) a thermally conductive filler; (E) a silane-coupling agent; and (F) a specific organopolysiloxane having a hydrolyzable silyl group at one end thereof. The gel composition has certain viscosity properties as disclosed herein.

Thermally-conductive silicone gel composition, thermally-conductive member, and heat dissipation structure
11578245 · 2023-02-14 · ·

Provided is: a thermally conductive silicone gel composition which has a high thermal conductivity, and is less likely to flow out and slip off/drop off from a surface on which the gel composition is placed, even when the composition that has not been cured is placed on a sloped surface or in a vertical direction, and has excellent gap-filling ability with respect to a heat dissipation part, etc., and excellent repairability if desired; a thermally conductive member comprising the thermally conductive silicone gel composition; and a heat dissipation structure using the same. The thermally conductive silicone gel composition comprises: (A) an alkenyl group-containing organopolysiloxane; (B) an organohydrogenpolysiloxane; (C) a catalyst for a hydrosilylation reaction; (D) a thermally conductive filler; (E) a silane-coupling agent; and (F) a specific organopolysiloxane having a hydrolyzable silyl group at one end thereof. The gel composition has certain viscosity properties as disclosed herein.