ES390162A1 - Vulcanisable rubber mixtures - Google Patents

Vulcanisable rubber mixtures

Info

Publication number
ES390162A1
ES390162A1 ES390162A ES390162A ES390162A1 ES 390162 A1 ES390162 A1 ES 390162A1 ES 390162 A ES390162 A ES 390162A ES 390162 A ES390162 A ES 390162A ES 390162 A1 ES390162 A1 ES 390162A1
Authority
ES
Spain
Prior art keywords
acid
mixture
weight
parts
rubber
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES390162A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of ES390162A1 publication Critical patent/ES390162A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
    • C08J3/215—Compounding 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers

Abstract

A process for the preparation of vulcanizable mixtures of natural or synthetic rubber and precipitated silicic acid, by coprecipitation of a mixture of a mixture of soluble glass and rubber latex by means of an acid at an elevated temperature, with stirring, subsequent filtration, washing, granulation and drying of the residue, characterized in that a mixture of 10 parts by weight of silicic acid in the form of a soluble glass solution with a SiO2 content of 25% is introduced into 80 parts by weight of a pre-charge of electrolyte-free water. and 20 parts by weight of rubber latex in the form of a 22% aqueous rubber dispersion with constant circulation rate, while adding acid, for example 3-3.5 normal sulfuric acid at a temperature in the range of 80 at 90ºC, maintaining a pH value in the range of 8.5 to 7 during a time interval of one hour, and then the precipitation suspension is adjusted at a pH value of 3 by adding a new acid. (Machine-translation by Google Translate, not legally binding)
ES390162A 1970-06-19 1971-04-14 Vulcanisable rubber mixtures Expired ES390162A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702030172 DE2030172C3 (en) 1970-06-19 1970-06-19 Process for the production of mixtures of natural or synthetic rubber and precipitated silica

Publications (1)

Publication Number Publication Date
ES390162A1 true ES390162A1 (en) 1974-08-16

Family

ID=5774350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES390162A Expired ES390162A1 (en) 1970-06-19 1971-04-14 Vulcanisable rubber mixtures

Country Status (6)

Country Link
JP (1) JPS5225417B1 (en)
DE (1) DE2030172C3 (en)
ES (1) ES390162A1 (en)
FR (1) FR2097811A5 (en)
GB (1) GB1342001A (en)
NL (1) NL170745C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247943B2 (en) * 1974-10-15 1977-12-06
FR2588008B1 (en) * 1985-09-27 1988-06-24 Rhone Poulenc Chim Base PROCESS FOR OBTAINING A FILLER-POLYMER COMPOSITION AND PRODUCT OBTAINED
DE3628120A1 (en) * 1986-08-19 1988-02-25 Huels Chemische Werke Ag METHOD FOR THE PRODUCTION OF GIANT CAPABILITY RUBBER POWDER FILLED WITH SILICA
FR2828201A1 (en) 2001-08-03 2003-02-07 Conception & Dev Michelin Sa Production of a vulcanizable elastomeric composition, e.g. useful in tire manufacture, comprises depositing and drying an aqueous latex dispersion containing a mechanically worked filler and vulcanizing agents
CN115418039B (en) * 2022-11-04 2023-03-24 广东粤港澳大湾区黄埔材料研究院 Raw latex and silica gel composite material suitable for tire tread rubber and preparation method thereof

Also Published As

Publication number Publication date
GB1342001A (en) 1973-12-25
JPS5225417B1 (en) 1977-07-07
NL170745B (en) 1982-07-16
NL7104167A (en) 1971-12-21
DE2030172C3 (en) 1979-09-13
DE2030172B2 (en) 1979-01-25
NL170745C (en) 1982-12-16
FR2097811A5 (en) 1972-03-03
DE2030172A1 (en) 1971-12-23

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