A method of making a solid pellet is described. The method can include feeding reclaimed carbon particles (or pellets) and feeding virgin carbon black particles (or pellets) as separate feeds to a mill and then milling the reclaimed carbon and the virgin carbon black together to obtained a milled blend, and then wet pelletizing the milled blend to obtain wet solid pellets, and then drying the wet solid pellets to obtain dry solid pellets. The solid pellets formed are further described as well as method to form profiles, such as EPDM profiles using the solid pellets of the present invention.
Methods to process reclaimed carbon are described. Methods utilizing media milling to improve one or more properties of the reclaimed carbon in products, such as elastomer composites are described. The media milling utilized can include media milling that expends a specific energy of 1 kWh/kg to 10 kWh/kg of dry milled reclaimed carbon.
Disclosed herein are methods of preparing a composite from at least a solid elastomer and a wet filler. In one or more mixing steps, the method comprises mixing the at least the solid elastomer and the wet filler to form a mixture and removing at least a portion of the liquid from the mixture by evaporation. One or more rotors of the mixer is mechanically coupled to a mixer motor and at least a portion of the mixing in step (b) is performed under power control in which the rotational speed of the one or more rotors is controlled by a controller that (i) calculates a difference between a measured mixer motor power and a power set point and (ii) adjusts the rotational speed of the one or more rotors if the measured mixer motor power deviates from the power set point.
Disclosed herein are elastomer composites stored in a container or package. The composite is uncured and comprises at least one elastomer and at least one filler. The package or container comprises at least one wall surrounding the composite wherein the at least one wall comprises at least one oxygen barrier layer. Containers or packages having this oxygen barrier wall have an oxygen transmission rate of no more than 100 cm3/(m2·day·atm) at 23° C. and 0% relative humidity. Also disclosed are methods for storing elastomer composites with the packages or containers disclosed herein.
C08K 5/18 - AminesComposés d'ammonium quaternaire avec des groupes amino liés aromatiquement
B65D 79/00 - Genres ou types de paquets ou parties constitutives, non prévus ailleurs
B65D 81/20 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante sous vide ou pression superatmosphérique ou en atmosphère spéciale, p. ex. sous gaz inerte
Disclosed herein are treads comprising at least one elastomer and at least 15 phr silica, wherein the tread has a low total concentration of defects arising from particles (e.g., silica, carbon black) and/or voids.
Disclosed herein are methods of mixing at least a solid elastomer, a wet filler comprising carbon black and a liquid present in an amount of at least 20% by weight based on total weight of wet filler, and a linking agent. In one or more mixing steps, the method further comprises mixing the at least the solid elastomer, the wet filler, and the linking agent to form a mixture, and removing at least a portion of the liquid from the mixture by evaporation. The method further comprises discharging, from the mixer, the composite comprising the filler dispersed in the elastomer at a loading of at least 20 phr. Also disclosed are composites, vulcanizates, and articles formed therefrom.
Disclosed herein are methods of preparing a composite. In one aspect, the method comprises: (a) charging a mixer having one or more rotors with: (i) at least a liquid masterbatch comprising a first filler dispersed in at least one elastomer, and (ii) a wet filler comprising a second filler and a liquid; (b) in one or more mixing steps, mixing the at least the liquid masterbatch and the wet filler to form a mixture; and (c) discharging, from the mixer, the composite comprising the first and second fillers dispersed in the at least one elastomer at a total loading of at least 20 phr, wherein the composite has a liquid content of no more than 10% by weight based on total weight of said composite.
C08J 3/22 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en utilisant les techniques des charges mères
C08J 3/215 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide au moins un additif étant également prémélangé avec une phase liquide
8.
METHODS OF PREPARING A COMPOSITE COMPRISING NEVER-DRIED NATURAL RUBBER AND FILLER
Described herein are methods of preparing composites from never-dried natural rubber. Also described are composites made from never-dried natural rubber and filler. A method of preparing a composite in an integrated manufacturing operation is further described which includes producing a never-dried natural rubber from latex recovered from natural latex sources in a latex or rubber manufacturing facility. Products made from the composites disclosed herein are also described.
A method of processing particulate carbon comprises combining pyrolysis carbon with water to form a mixture to form an initial slurry having 1-35 wt% solids and milling the pyrolysis carbon to form a milled slurry comprising wet milled reclaimed carbon and water; wherein a volume weighted particle size distribution of the wet milled reclaimed carbon measured via scanning electron microscopy has one or more of D50 no greater than 2700 nm and no more than 15% of particles having a particle diameter greater than 5 microns.
Disclosed herein are methods of preparing a composite, comprising mixing a solid elastomer, a wet filler, and a resin. Single-stage or multi-stage mixing methods can be used. Also disclosed are composite comprising the filler dispersed in the elastomer at a loading of at least 20 phr, wherein the composite has a liquid content of no more than 10% by weight based on total weight of said composite.
Elastomeric compositions are described that include at least one filler that are carbon nanostructures or fragments thereof. Methods to prepare elastomeric compositions are further described. Loadings of the carbon nanostructures can be from about 0.1 phr to about 50 phr or a volume fraction of from about 0.1 vol % to about 20 vol %.
Disclosed herein are methods of preparing a composite from at least a solid elastomer and a wet filler. In one or more mixing steps, the method comprises mixing the at least the solid elastomer and the wet filler to form a mixture and removing at least a portion of the liquid from the mixture by evaporation. One or more rotors of the mixer is mechanically coupled to a mixer motor and at least a portion of the mixing in step (b) is performed under power control in which the rotational speed of the one or more rotors is controlled by a controller that (i) calculates a difference between a measured mixer motor power and a power set point and (ii) adjusts the rotational speed of the one or more rotors if the measured mixer motor power deviates from the power set point.
B29B 7/18 - MélangeMalaxage discontinu, avec dispositifs mécaniques de mélange ou de malaxage, c.-à-d. de type travaillant par charges avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre
B29B 7/28 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires pour mesurer, régler ou réguler, p. ex. réglage de viscosité
B29B 7/74 - MélangeMalaxage utilisant d'autres mélangeurs ou des combinaisons de mélangeurs différents
Disclosed herein are elastomer composites stored in a container or package. The composite is uncured and comprises at least one elastomer and at least one filler. The package or container comprises at least one wall surrounding the composite wherein the at least one wall comprises at least one oxygen barrier layer. Containers or packages having this oxygen barrier wall have an oxygen transmission rate of no more than 100 cm3/(m2·day·atm) at 23°C and 0% relative humidity. Also disclosed are methods for storing elastomer composites with the packages or containers disclosed herein.
C08K 5/18 - AminesComposés d'ammonium quaternaire avec des groupes amino liés aromatiquement
B65D 81/20 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante sous vide ou pression superatmosphérique ou en atmosphère spéciale, p. ex. sous gaz inerte
B65D 81/24 - Adaptations pour empêcher la détérioration ou l'altération du contenuApplications au réceptacle ou au matériau d'emballage d'agents de conservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux
Disclosed herein are elastomer composites stored in a container or package. The composite is uncured and comprises at least one elastomer and at least one filler. The package or container comprises at least one wall surrounding the composite wherein the at least one wall comprises at least one oxygen barrier layer. Containers or packages having this oxygen barrier wall have an oxygen transmission rate of no more than 100 cm3/(m2·day·atm) at 23°C and 0% relative humidity. Also disclosed are methods for storing elastomer composites with the packages or containers disclosed herein.
C08K 5/18 - AminesComposés d'ammonium quaternaire avec des groupes amino liés aromatiquement
C08L 7/00 - Compositions contenant du caoutchouc naturel
B65D 81/20 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante sous vide ou pression superatmosphérique ou en atmosphère spéciale, p. ex. sous gaz inerte
B65D 81/24 - Adaptations pour empêcher la détérioration ou l'altération du contenuApplications au réceptacle ou au matériau d'emballage d'agents de conservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux
Disclosed herein are methods of preparing composites from solid elastomer(s) and wet filler(s), as well as products, including composites, vulcanizates, and articles therefrom. The wet filler can have a liquid content of at least 15%. A resulting composite comprises the filler dispersed in the elastomer at a loading of at least 20 phr with a filler yield loss of no more than 10%, wherein the composite has a liquid content of no more than 10% by weight based on total weight of said composite.
B29B 7/48 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p. ex. à vis qui s'engrènent
A tire tread and a tire are provided, more particularly, a tire having a tread or other elastomeric component within enhanced composite material properties, including, but not limited to, modulus ratio, percent elongation at break, and/or tan delta, wherein the tire, tread or other elastomeric component comprise composites characterized by well dispersed reinforcing filler, which can be indicated by macrodispersion.
B29B 7/48 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p. ex. à vis qui s'engrènent
Disclosed herein are methods of preparing a composite comprising mixing solid elastomer with wet filler to form a composite comprising filler dispersed in the elastomer. The filler dispersed in the elastomer can comprise carbon black, silica, and/or silicon-treated carbon black. Also disclosed are composites made by the present methods and corresponding vulcanizates.
C08K 9/06 - Ingrédients traités par des substances organiques par des composés contenant du silicium
C08J 3/215 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide au moins un additif étant également prémélangé avec une phase liquide
18.
METHOD OF PREPARING A COMPOUND HAVING ELASTOMER AND FILLER
Disclosed herein are methods of preparing a composite. In one aspect, the method comprises: (a) charging a mixer having one or more rotors with: (i) at least a liquid masterbatch comprising a first filler dispersed in at least one elastomer, and (ii) a wet filler comprising a second filler and a liquid; (b) in one or more mixing steps, mixing the at least the liquid masterbatch and the wet filler to form a mixture; and (c) discharging, from the mixer, the composite comprising the first and second fillers dispersed in the at least one elastomer at a total loading of at least 20 phr, wherein the composite has a liquid content of no more than 10% by weight based on total weight of said composite.
C08J 3/215 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide au moins un additif étant également prémélangé avec une phase liquide
C08J 3/22 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en utilisant les techniques des charges mères
Described herein are methods of preparing composites from never-dried natural rubber. Also described are composites made from never-dried natural rubber and filler. A method of preparing a composite in an integrated manufacturing operation is further described which includes producing a never-dried natural rubber from latex recovered from natural latex sources in a latex or rubber manufacturing facility. Products made from the composites disclosed herein are also described.
Disclosed herein are methods of mixing at least a solid elastomer, a wet filler comprising carbon black and a liquid present in an amount of at least 20% by weight based on total weight of wet filler, and a linking agent. In one or more mixing steps, the method further comprises mixing the at least the solid elastomer, the wet filler, and the linking agent to form a mixture, and removing at least a portion of the liquid from the mixture by evaporation. The method further comprises discharging, from the mixer, the composite comprising the filler dispersed in the elastomer at a loading of at least 20 phr. Also disclosed are composites, vulcanizates, and articles formed therefrom.
C08J 3/215 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide au moins un additif étant également prémélangé avec une phase liquide
Elastomeric compositions are described that include at least one filler that are carbon nanostructures or fragments thereof. Methods to prepare elastomeric compositions are further described. Loadings of the carbon nanostructures can be from about 0.1 phr to about 50 phr or a volume fraction of from about 0.1 vol% to about 20 vol%.
Disclosed herein are methods of preparing composites from solid elastomer(s) and wet filler(s), as well as products, including composites, vulcanizates, and articles therefrom. The wet filler can have a liquid content of at least 15%. A resulting composite comprises the filler dispersed in the elastomer at a loading of at least 20 phr with a filler yield loss of no more than 10%, wherein the composite has a liquid content of no more than 10% by weight based on total weight of said composite.
Disclosed herein are methods of preparing composites from solid elastomer(s) and wet filler(s), as well as products, including composites, vulcanizates, and articles therefrom. The wet filler can have a liquid content of at least 15%. A resulting composite comprises the filler dispersed in the elastomer at a loading of at least 20 phr with a filler yield loss of no more than 10%, wherein the composite has a liquid content of no more than 10% by weight based on total weight of said composite.
C08J 3/205 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide
B29B 7/74 - MélangeMalaxage utilisant d'autres mélangeurs ou des combinaisons de mélangeurs différents
C08J 3/215 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide au moins un additif étant également prémélangé avec une phase liquide
A tire tread and a tire are provided, more particularly, a tire having a tread or other elastomeric component within enhanced composite material properties, including, but not limited to, modulus ratio, percent elongation at break, and/or tan delta, wherein the tire, tread or other elastomeric component comprise composites characterized by well dispersed reinforcing filler, which can be indicated by macrodispersion.
brevets
