RU93007770A - METHOD FOR PRODUCING POLYPHENYLENE POLYMETHYLENE POLYCARBAMATE - Google Patents

METHOD FOR PRODUCING POLYPHENYLENE POLYMETHYLENE POLYCARBAMATE

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Publication number
RU93007770A
RU93007770A RU93007770/04A RU93007770A RU93007770A RU 93007770 A RU93007770 A RU 93007770A RU 93007770/04 A RU93007770/04 A RU 93007770/04A RU 93007770 A RU93007770 A RU 93007770A RU 93007770 A RU93007770 A RU 93007770A
Authority
RU
Russia
Prior art keywords
polycarbamate
polyphenylene polymethylene
producing polyphenylene
producing
polymethylene
Prior art date
Application number
RU93007770/04A
Other languages
Russian (ru)
Other versions
RU2046790C1 (en
Inventor
В.Ф. Герега
Н.А. Боксер
Ю.И. Дергунов
В.А. Ильин
Ю.Б. Шнепп
Н.Н. Круглов
О.И. Пахотин
Б.В. Новиков
Original Assignee
Государственный научно-исследовательский и проектный институт карбамида и продуктов органического синтеза с опытным заводом
Череповецкое производственное объединение "Азот"
Filing date
Publication date
Application filed by Государственный научно-исследовательский и проектный институт карбамида и продуктов органического синтеза с опытным заводом, Череповецкое производственное объединение "Азот" filed Critical Государственный научно-исследовательский и проектный институт карбамида и продуктов органического синтеза с опытным заводом
Priority to RU93007770A priority Critical patent/RU2046790C1/en
Priority claimed from RU93007770A external-priority patent/RU2046790C1/en
Application granted granted Critical
Publication of RU2046790C1 publication Critical patent/RU2046790C1/en
Publication of RU93007770A publication Critical patent/RU93007770A/en

Links

Claims (1)

К карбамату общей формулы C6H5NHCOOR, где R - низший алкил, нагреваемому в среде водного раствора кислоты, добавляют водный раствор формальдегида, вместе с которым вводят 30 - 75% общего количества кислоты, используемой в процессе.To the carbamate of the general formula C 6 H 5 NHCOOR, where R is lower alkyl, heated in an aqueous acid solution, an aqueous formaldehyde solution is added, with which 30 - 75% of the total amount of acid used in the process is introduced.
RU93007770A 1993-02-12 1993-02-12 Method for production of poliphenylenepolymethylene policarbamate RU2046790C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93007770A RU2046790C1 (en) 1993-02-12 1993-02-12 Method for production of poliphenylenepolymethylene policarbamate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93007770A RU2046790C1 (en) 1993-02-12 1993-02-12 Method for production of poliphenylenepolymethylene policarbamate

Publications (2)

Publication Number Publication Date
RU2046790C1 RU2046790C1 (en) 1995-10-27
RU93007770A true RU93007770A (en) 1996-12-10

Family

ID=20137025

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93007770A RU2046790C1 (en) 1993-02-12 1993-02-12 Method for production of poliphenylenepolymethylene policarbamate

Country Status (1)

Country Link
RU (1) RU2046790C1 (en)

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