RU2008139418A - METHOD FOR PRODUCING POLYSULFIDES, POLYSULFIDES AND THEIR APPLICATION - Google Patents

METHOD FOR PRODUCING POLYSULFIDES, POLYSULFIDES AND THEIR APPLICATION Download PDF

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Publication number
RU2008139418A
RU2008139418A RU2008139418/04A RU2008139418A RU2008139418A RU 2008139418 A RU2008139418 A RU 2008139418A RU 2008139418/04 A RU2008139418/04 A RU 2008139418/04A RU 2008139418 A RU2008139418 A RU 2008139418A RU 2008139418 A RU2008139418 A RU 2008139418A
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polysulfide
thiol
terminal
hydroxyl
compound
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RU2008139418/04A
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Russian (ru)
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RU2441038C2 (en
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Айке Николас КАНЦЕР (DE)
Айке Николас КАНЦЕР
Олаф КЛОБЕС (DE)
Олаф КЛОБЕС
Дитер Вольфганг ЛАНГЕ (DE)
Дитер Вольфганг ЛАНГЕ
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Акцо Нобель Н.В. (NL)
Акцо Нобель Н.В.
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/14—Polysulfides

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

FIELD: chemistry. ^ SUBSTANCE: described is a method of producing polysulphide, involving a step for reacting a first polysulphide with terminal hydroxyl groups of formula: in which the value of n ranges from 2 to 40, with at least one compound from a group consisting of a second polysulphide with terminal hydroxyl groups of formula (I), a hydroxyl- and/or thiol-containing molecule and phosphorus sulphide, to form a third polysulphide with terminal hydroxyl groups, where the reaction takes place in the presence of an acid catalyst, if the compound is a second polysulphide with terminal hydroxyl groups or a hydroxyl- and/or thiol-containing molecule; and if the compound is phosphorus sulphide, the reaction optionally takes place in the presence of an acid catalyst. The invention also describes polysulphides with terminal hydroxyl groups and polysulphides with terminal thiol groups obtained using said method. The invention describes use of said polysulphide with terminal thiol groups in sealants. ^ EFFECT: obtaining novel polysulphides. ^ 9 cl, 4 ex

Claims (9)

1. Способ получения полисульфида, включающий стадию взаимодействия первого полисульфида с концевыми гидроксильными группами формулы:1. A method of producing a polysulfide, comprising the step of reacting the first polysulfide with terminal hydroxyl groups of the formula:
Figure 00000001
Figure 00000001
 в которой величина n составляет от 2 до 40, с, по меньшей мере, одним соединением из группы, состоящей из второго полисульфида с концевыми гидроксильными группами, которое соответствует формуле (I), гидроксил- и/или тиолсодержашей молекулы и сульфида фосфора, с образованием третьего полисульфида с концевыми гидроксильными группами, где взаимодействие осуществляют в присутствии кислотного катализатора, если соединение представляет второй полисульфид с концевыми гидроксильными группами или гидроксил- и/или тиолсодержащую молекулу; и, если соединение является сульфидом фосфора, реакцию необязательно проводят в присутствии кислотного катализатора.in which the value of n is from 2 to 40, with at least one compound from the group consisting of a second polysulfide with terminal hydroxyl groups, which corresponds to formula (I), a hydroxyl and / or thiol-containing molecule and phosphorus sulfide, with the formation a third hydroxyl-terminated polysulfide, wherein the reaction is carried out in the presence of an acid catalyst, if the compound is a second hydroxyl-terminated polysulfide or a hydroxyl and / or thiol-containing molecule; and, if the compound is phosphorus sulfide, the reaction is optionally carried out in the presence of an acid catalyst. 2. Способ по п.1, в котором соединение представляет собой второй полисульфид с концевыми гидроксильными группами, а первый и второй полисульфиды с концевыми гидроксильными группами являются одинаковыми.2. The method according to claim 1, in which the compound is a second polysulfide with terminal hydroxyl groups, and the first and second polysulfides with terminal hydroxyl groups are the same. 3. Способ по п.1, в котором соединение представляет собой гидроксил и/или тиолсодержащую молекулу, при этом гидроксил- и/или тиолсодержащую молекулу выбирают из группы соединений, включающих 1,2-этандитиол, β-меркаптоэтанол, димеркаптоацетат гликоля и бифункциональные органические кислоты и хлорангидриды кислот.3. The method according to claim 1, in which the compound is a hydroxyl and / or thiol-containing molecule, wherein the hydroxyl and / or thiol-containing molecule is selected from the group of compounds including 1,2-ethanedithiol, β-mercaptoethanol, glycol dimercaptoacetate and bifunctional organic acids and acid chlorides. 4. Способ по п.3, в котором гидроксил и/или тиолсодержащую молекулу выбирают из группы, включающей 1,2-этадитиодиол, β-меркаптоэтанол, хлорангидрид кислоты, триметилолпропан и пентаэритрол.4. The method according to claim 3, in which the hydroxyl and / or thiol-containing molecule is selected from the group consisting of 1,2-ethadithiodiol, β-mercaptoethanol, acid chloride, trimethylolpropane and pentaerythrol. 5. Способ по любому из предшествующих пунктов, в котором третий полисульфид с концевыми гидроксильными группами взаимодействует, по меньшей мере, с одним восстанавливающим агентом с образованием полисульфида с концевыми тиольными группами.5. The method according to any one of the preceding paragraphs, in which the third polysulfide with terminal hydroxyl groups interacts with at least one reducing agent with the formation of polysulfide with terminal thiol groups. 6. Способ по п.5, в котором восстанавливающий агент выбирают из группы соединений, включающей сероводород, сернистую кислоту и дитионит.6. The method according to claim 5, in which the reducing agent is selected from the group of compounds including hydrogen sulfide, sulfurous acid and dithionite. 7. Полисульфид с концевыми гидроксильными группами, получаемый по любому из способов по пп.1-4.7. Polysulfide with terminal hydroxyl groups obtained by any of the methods according to claims 1 to 4. 8. Полисульфид с концевыми тиольными группами, получаемый по способам по п.5 или 6.8. Polysulfide with terminal thiol groups obtained by the methods according to claim 5 or 6. 9. Применение полисульфида с концевыми тиольными группами по п.8 в герметиках. 9. The use of polysulfide with terminal thiol groups of claim 8 in sealants.
RU2008139418/04A 2006-03-06 2007-03-02 Method of producing polysulphides, polysulphides and use thereof RU2441038C2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP06110719.9 2006-03-06
EP06110719 2006-03-06
US78601606P 2006-03-27 2006-03-27
US90/786,016 2006-03-27
US60/786,016 2006-03-27

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RU2441038C2 RU2441038C2 (en) 2012-01-27

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CN102791684B (en) * 2010-03-17 2016-03-16 阿克佐诺贝尔化学国际公司 Depolymerization polysulphide and the method preparing dimercapto diether
CN101812168B (en) * 2010-04-27 2012-02-22 锦西化工研究院 Novel modified polysulfide rubber and preparation method thereof
WO2015128270A1 (en) * 2014-02-27 2015-09-03 Akzo Nobel Chemicals International B.V. Process for the preparation of a mercapto-terminated liquid polymer

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US2676165A (en) * 1951-05-10 1954-04-20 Reconstruction Finance Corp Polysulfide polymers
US3386963A (en) * 1963-10-03 1968-06-04 Thiokol Chemical Corp Isocyanate-terminated polysulfide polymers
US3647766A (en) * 1970-04-23 1972-03-07 Thiokol Chemical Corp Method of making hydroxyl-terminated polysulfide polymers
US6322650B1 (en) * 1999-04-15 2001-11-27 Morton International Inc. Polysulfide-based polyurethane sealant for insulating glass

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CN101395205A (en) 2009-03-25

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