MX2012007751A - Metodo para elaborar un recubrimiento de barrera polimerica para atenuar la migracion de aglutinante en un filtro de particulados de diesel para reucir la caida de presion y los gradientes de temperatura en el filtro. - Google Patents

Metodo para elaborar un recubrimiento de barrera polimerica para atenuar la migracion de aglutinante en un filtro de particulados de diesel para reucir la caida de presion y los gradientes de temperatura en el filtro.

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Publication number
MX2012007751A
MX2012007751A MX2012007751A MX2012007751A MX2012007751A MX 2012007751 A MX2012007751 A MX 2012007751A MX 2012007751 A MX2012007751 A MX 2012007751A MX 2012007751 A MX2012007751 A MX 2012007751A MX 2012007751 A MX2012007751 A MX 2012007751A
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MX
Mexico
Prior art keywords
honeycomb
pressure drop
mitigate
barrier coating
polymer
Prior art date
Application number
MX2012007751A
Other languages
English (en)
Inventor
Caijun
Steven Martin
Original Assignee
Dow Global Technologies Llc
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Filing date
Publication date
Application filed by Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of MX2012007751A publication Critical patent/MX2012007751A/es

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
    • C04B38/0016—Honeycomb structures assembled from subunits
    • C04B38/0019—Honeycomb structures assembled from subunits characterised by the material used for joining separate subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63488—Polyethers, e.g. alkylphenol polyglycolether, polyethylene glycol [PEG], polyethylene oxide [PEO]
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/636—Polysaccharides or derivatives thereof
    • C04B35/6365—Cellulose or derivatives thereof
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    • C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
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    • C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
    • C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
    • C04B37/005—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of glass or ceramic material
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
    • C04B38/0012—Honeycomb structures characterised by the material used for sealing or plugging (some of) the channels of the honeycombs
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • C—CHEMISTRY; METALLURGY
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
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    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)
  • Ceramic Products (AREA)

Abstract

Se describen estructuras alveolares cerámicas y métodos para elaborarlas. Las estructuras pueden estar comprendidas por al menos dos alveolos cerámicos más pequeños separados que se han recubierto con un polímero para crear un recubrimiento de barrera polimérica y adheridos con un cemento comprendido por fibras inorgánicas y una fase de unión que se encuentra comprendida por silicato amorfo, aluminita o fibra de vidrio de aluminosilicato y otras partículas inorgánicas. El polímero se selecciona de manera tal que sea penetrable en los poros en la estructura alveolar o para cubrirlos a fin de formar una capa de barrera delgada sobre la misma para atenuar la migración de las fibras inorgánicas, la fase de unión y el agua en los poros. El polímero está adaptado para quemarse o descomponerse a temperaturas de cocción del cemento y del forro alveolar o inferiores, o a temperaturas operativas del alveolo o inferiores durante la aplicación para crear una estructura alveolar que, cuando se forma en un filtro de escape, no tenga ningún incremento no deseado en la caída de presión debido a la migración del cemento.
MX2012007751A 2009-12-31 2011-01-03 Metodo para elaborar un recubrimiento de barrera polimerica para atenuar la migracion de aglutinante en un filtro de particulados de diesel para reucir la caida de presion y los gradientes de temperatura en el filtro. MX2012007751A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29143609P 2009-12-31 2009-12-31
PCT/US2011/020045 WO2011082399A1 (en) 2009-12-31 2011-01-03 Method of making polymeric barrier coating to mitigate binder migration in a diesel particulate filter to reduce filter pressure drop and temperature gradients

Publications (1)

Publication Number Publication Date
MX2012007751A true MX2012007751A (es) 2012-08-01

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MX2012007751A MX2012007751A (es) 2009-12-31 2011-01-03 Metodo para elaborar un recubrimiento de barrera polimerica para atenuar la migracion de aglutinante en un filtro de particulados de diesel para reucir la caida de presion y los gradientes de temperatura en el filtro.

Country Status (9)

Country Link
US (1) US9593608B2 (es)
EP (1) EP2519482B1 (es)
JP (1) JP5841541B2 (es)
KR (1) KR20120104616A (es)
CN (1) CN102712547B (es)
BR (1) BR112012015380A2 (es)
CA (1) CA2781910A1 (es)
MX (1) MX2012007751A (es)
WO (1) WO2011082399A1 (es)

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JP2021004555A (ja) * 2019-06-25 2021-01-14 トヨタ自動車株式会社 内燃機関の制御装置
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JP2013516379A (ja) 2013-05-13
EP2519482B1 (en) 2018-10-17
CN102712547A (zh) 2012-10-03
US20120263914A1 (en) 2012-10-18
KR20120104616A (ko) 2012-09-21
BR112012015380A2 (pt) 2017-09-05
CA2781910A1 (en) 2011-07-07
CN102712547B (zh) 2015-07-22
JP5841541B2 (ja) 2016-01-13
WO2011082399A1 (en) 2011-07-07
EP2519482A1 (en) 2012-11-07

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