GB190104803A - A Process for the Devulcanization of India-rubber - Google Patents

A Process for the Devulcanization of India-rubber

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Publication number
GB190104803A
GB190104803A GB190104803DA GB190104803A GB 190104803 A GB190104803 A GB 190104803A GB 190104803D A GB190104803D A GB 190104803DA GB 190104803 A GB190104803 A GB 190104803A
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GB
United Kingdom
Prior art keywords
lime
rubber
india
vulcanized
heated
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
Inventor
Oscar Francois Joseph Duwez
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190104803A publication Critical patent/GB190104803A/en
Expired legal-status Critical Current

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Abstract

4803. Duwez, O. F. J. March 6. India-rubber, devulcanizing.-Old vulcanized rubber is kneaded as thin as is possible and boiled for some time with water and finely-powdered lime, which has been heated to a temperature considerably higher than that necessary in the manufacture of lime. Cement or other materials containing lime, which have been highly heated, may be used instead of lime. Sugar, salts of lead, baryta, glycerine, caustic alkalies, or carbonates may be added to the mixture. The rubber is afterwards washed and rolled, and can be re-vulcanized. Lime of the kind described is stated to form a soluble hydro-sulphate with the extracted sulphur.
GB190104803D 1901-03-06 1901-03-06 A Process for the Devulcanization of India-rubber Expired GB190104803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190104803T 1901-03-06

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GB190104803A true GB190104803A (en) 1902-03-06

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ID=32421518

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190104803D Expired GB190104803A (en) 1901-03-06 1901-03-06 A Process for the Devulcanization of India-rubber

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GB (1) GB190104803A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2809411A2 (en) * 2012-02-02 2014-12-10 Green Source Energy Llc Compositions and methods for recovering and/or removing reagents from porous media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2809411A2 (en) * 2012-02-02 2014-12-10 Green Source Energy Llc Compositions and methods for recovering and/or removing reagents from porous media

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