AR094530A1 - PROCESS FOR OBTAINING COMPOSITES VIA SILICON PRECIPITATION IN LATEX - Google Patents

PROCESS FOR OBTAINING COMPOSITES VIA SILICON PRECIPITATION IN LATEX

Info

Publication number
AR094530A1
AR094530A1 ARP130102790A ARP130102790A AR094530A1 AR 094530 A1 AR094530 A1 AR 094530A1 AR P130102790 A ARP130102790 A AR P130102790A AR P130102790 A ARP130102790 A AR P130102790A AR 094530 A1 AR094530 A1 AR 094530A1
Authority
AR
Argentina
Prior art keywords
silica
production
rubber
wear
reduction
Prior art date
Application number
ARP130102790A
Other languages
Spanish (es)
Inventor
Pilecco Onelio
Jose Pierozan Nilso
Fernando Mota Marton Luiz
Original Assignee
Pilecco Onelio
Panciera Pilecco Fabio
Pilecco Sonego Rosane Terezinha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pilecco Onelio, Panciera Pilecco Fabio, Pilecco Sonego Rosane Terezinha filed Critical Pilecco Onelio
Publication of AR094530A1 publication Critical patent/AR094530A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/20Compounding polymers with additives, e.g. colouring
    • C08J3/22Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/20Compounding polymers with additives, e.g. colouring
    • C08J3/205Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/21Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
    • C08J3/215Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2309/00Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2309/06Copolymers with styrene
    • C08J2309/08Latex
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00Characterised by the use of unspecified rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2409/00Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/06Copolymers with styrene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Silicon Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

Proceso de obtención de compósitos vía precipitación de sílice en látex. A pesar de la adición de la sílice precipitada conferir propiedades mecánicas peculiares en compuestos de caucho, que permiten su aplicación en las más diversas áreas, su proceso de incorporación es extremadamente complejo por la dificultad de dispersión de la sílice en la matriz de elastómero, desgaste de los equipos e insalubre para los operadores Por el proceso de precipitación secuencial de la sílice a partir de cualquier silicato alcalino en una emulsión de látex de cualquier origen, no solamente permite una distribución homogénea de la sílice en la matriz de elastómero, como también reduce los costos por la reducción de los desgastes de los equipos de procesamiento de caucho, por la reducción del tiempo de producción una vez que la sílice ya está incorporada homogéneamente en la matriz, reducción de la insalubridad por la no presencia de particulados finos en el ambiente de proceso/producción de compuestos de caucho. Debido a las materias primas utilizadas: ácido sulfúrico en bajas concentraciones y pureza comercial, silicato alcalino de cualquier origen (mineral, ceniza de cáscara de arroz, etc.), y la ruta de producción ser única, es decir, no son necesarias dos líneas fabriles: una para la producción de sílice precipitada y otra para la producción de caucho, el costo del producto se torna competitivo permitiendo el empleo en amplia escala y la producción en cualquier tipo de equipo convencional de procesamiento de compuestos de caucho. Además del hecho de permitir el empleo de altos contenidos de sílice incorporada superior a 50 phr, cuyo hecho actualmente no es posible por los problemas de dispersión y desgaste de los equipos.Process of obtaining composites via precipitation of silica in latex. Despite the addition of the precipitated silica conferring peculiar mechanical properties on rubber compounds, which allow its application in the most diverse areas, its incorporation process is extremely complex due to the difficulty of dispersing the silica in the elastomer matrix, wear of equipment and unhealthy for operators By the process of sequential precipitation of silica from any alkali silicate in a latex emulsion of any origin, it not only allows a homogeneous distribution of silica in the elastomer matrix, but also reduces the costs for the reduction of the wear of the rubber processing equipment, for the reduction of the production time once the silica is already homogeneously incorporated in the matrix, reduction of unhealthiness due to the absence of fine particulates in the environment of process / production of rubber compounds. Due to the raw materials used: sulfuric acid in low concentrations and commercial purity, alkaline silicate of any origin (mineral, rice husk ash, etc.), and the production route being unique, that is, two lines are not necessary factories: one for the production of precipitated silica and another for the production of rubber, the cost of the product becomes competitive allowing the use on a large scale and the production in any type of conventional rubber compound processing equipment. In addition to the fact of allowing the use of high contents of silica incorporated above 50 phr, whose fact is currently not possible due to the problems of dispersion and wear of the equipment.

ARP130102790A 2012-08-06 2013-08-06 PROCESS FOR OBTAINING COMPOSITES VIA SILICON PRECIPITATION IN LATEX AR094530A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRBR102012019607-7A BR102012019607A2 (en) 2012-08-06 2012-08-06 COMPOSITE PROCESSING THROUGH LATEX SILICA PRECIPITATION

Publications (1)

Publication Number Publication Date
AR094530A1 true AR094530A1 (en) 2015-08-12

Family

ID=50068648

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP130102790A AR094530A1 (en) 2012-08-06 2013-08-06 PROCESS FOR OBTAINING COMPOSITES VIA SILICON PRECIPITATION IN LATEX

Country Status (4)

Country Link
AR (1) AR094530A1 (en)
BR (1) BR102012019607A2 (en)
UY (1) UY34966A (en)
WO (1) WO2014024124A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2556568B (en) 2015-07-15 2022-07-06 Cabot Corp Elastomer composite reinforced with silica and products containing same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485287A (en) * 1946-11-06 1949-10-18 Goodrich Co B F Method of associating plastic materials and compounding ingredients
NL132491C (en) * 1961-01-12
NL281963A (en) * 1961-08-21
DE602007000475D1 (en) * 2006-03-28 2009-03-05 Sumitomo Rubber Ind Process for producing an oily rubber for car tires, oily rubber for car tires, and rubber composition and tires therewith
ITMI20061290A1 (en) * 2006-07-03 2008-01-04 Solvay Solexis Spa COMPOSITIONS (PER) FLUOROELASTOMETRICS

Also Published As

Publication number Publication date
UY34966A (en) 2014-02-28
WO2014024124A3 (en) 2014-07-24
WO2014024124A2 (en) 2014-02-13
WO2014024124A4 (en) 2014-09-12
BR102012019607A2 (en) 2014-09-16

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