SU478513A1 - Method of preparing carboxyl-containing chloroprene rubber - Google Patents

Method of preparing carboxyl-containing chloroprene rubber Download PDF

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Publication number
SU478513A1
SU478513A1 SU67988944A SU988944A SU478513A1 SU 478513 A1 SU478513 A1 SU 478513A1 SU 67988944 A SU67988944 A SU 67988944A SU 988944 A SU988944 A SU 988944A SU 478513 A1 SU478513 A1 SU 478513A1
Authority
SU
USSR - Soviet Union
Prior art keywords
chloroprene rubber
containing chloroprene
carboxyl
preparing carboxyl
rubber
Prior art date
Application number
SU67988944A
Other languages
Russian (ru)
Inventor
Н.Г. Карапетян
И.С. Бошняков
А.С. Маргарян
Р.К. Жамагорцян
Д.В. Меликян
Р.Р. Саркисян
М.Г. Никогосян
Original Assignee
Karapetyan N G
Boshnyakov I S
Margaryan A S
Zhamagortsyan R K
Melikyan D V
Sarkisyan R R
Nikogosyan M G
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 Karapetyan N G, Boshnyakov I S, Margaryan A S, Zhamagortsyan R K, Melikyan D V, Sarkisyan R R, Nikogosyan M G filed Critical Karapetyan N G
Priority to SU67988944A priority Critical patent/SU478513A1/en
Application granted granted Critical
Publication of SU478513A1 publication Critical patent/SU478513A1/en

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)

Description

Изобретение относитс  к промышленности синтетического каучука. Известен способ получени  карбоксил содержаще го хлоропренового каучука водно-эмульсионной сополимеризацней хлоропрена с метакриловой кислотой в кислой среде с применением известных эмульгаторов, регул торов и радикальных инициаторов . Цель изобретени  - разработка с соба по 1учени  карбоксилсодержащег хлороп15енового каучука повышенной стабильности и устойчивости к стру туриванию при хранении. Эта цель достигаетс  обработкой реакционной массы после окончани  цесса сополимериэации аминами или носпиртами. Пример. Состав исходной п лимериэационной эмульсии, ве.ч.: Хлоропрен Метакрилова  кислота Дипроксид Додецилсульфат натри  Перекись водорода (25%-ный раствор)0,5 Вода115 Температура полимеризации . пень превращени  мономеров в пор 96%; рН 3, После проведени  процесса полимеации латекс стабилизуют водной диссией неозона Д и нейтрализуют им-либо аминоспиртом (например, оэтаноламином) до рН 7. Затем имер из латекса вьщел ют методом ораживани . Ленту сушат в лабораной сушилке. Свойства полимера. Пластичность по Каррэру Физико-механические показатели вулканизатов нанаполненной смеси; прочность на разрыв,кг/см относительное удлинение, % Остаточное удлинение, %This invention relates to the synthetic rubber industry. A known method for the preparation of carboxyl-containing chloroprene rubber is an aqueous emulsion copolymerization chloroprene with methacrylic acid in an acidic medium using known emulsifiers, regulators and radical initiators. The purpose of the invention is the development of carboxyl-containing chloropropylene rubber with increased stability and resistance to flow storing during storage. This goal is achieved by treating the reaction mass after the termination of the copolymerization process with amines or nospirit. Example. The composition of the initial emulsion emulsion, fan.h .: Chloroprene Methacrylic acid Diproxide sodium dodecyl sulfate Hydrogen peroxide (25% solution) 0.5 Water 115 Polymerization temperature. stump of monomer conversion to 96% pores; pH 3 After the polymerization process, the latex is stabilized with an aqueous dissolution of neozone D and neutralized with an amino alcohol (e.g., ethanolamine) to pH 7. Then the latex measure is prepared using an orage method. The tape is dried in a laboratory dryer. Polymer properties. Carrère Plasticity Physico-mechanical properties of filler mixture vulcanizates; tensile strength, kg / cm elongation,% Residual elongation,%

Свойства кле  типа 88, изготовленного на основе этого каучука.The properties of glue type 88, made on the basis of this rubber.

В зкость по прибору ВЗ-1, сVZ-1 instrument viscosity, s

Прочность склеивани  резины с металлом , кг/см Сопротивление отслаиванию , кг/см Скорость отслаивани , см/минBonding strength of rubber with metal, kg / cm Peeling resistance, kg / cm Peeling rate, cm / min

при 70°Сat 70 ° C

при at

Claims (1)

Формула изобретени  Способ получени  карбоксилсодержащего хлоропренового каучука водноэмульсионной сополимеризацией хлоропрена с метакриловой кислотой в кислой среде с применением известных эмульгаторов, регул торов и радикальных инициаторов, отличающийс  тем, что, с целью повьлиени  ст абильности каучука и его устойчивости к структурированию при хранении,, реакционную массу после окончани  процесса сополимеризации обрабатывают аминами ипи аминоспиртами .The invention method for producing carboxyl-containing chloroprene rubber by aqueous emulsion copolymerization of chloroprene with methacrylic acid in an acidic environment using known emulsifiers, regulators and radical initiators, in order to keep the resin in place, the in-cup resin will have a porcelain bath. the end of the copolymerization process is treated with amines or amino amino alcohols.
SU67988944A 1967-11-20 1967-11-20 Method of preparing carboxyl-containing chloroprene rubber SU478513A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU67988944A SU478513A1 (en) 1967-11-20 1967-11-20 Method of preparing carboxyl-containing chloroprene rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU67988944A SU478513A1 (en) 1967-11-20 1967-11-20 Method of preparing carboxyl-containing chloroprene rubber

Publications (1)

Publication Number Publication Date
SU478513A1 true SU478513A1 (en) 1980-10-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU67988944A SU478513A1 (en) 1967-11-20 1967-11-20 Method of preparing carboxyl-containing chloroprene rubber

Country Status (1)

Country Link
SU (1) SU478513A1 (en)

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