RO92859B1 - Procedeu de obtinere a sarii de sodiu a copolimerului stiren-anhidrida maleica - Google Patents

Procedeu de obtinere a sarii de sodiu a copolimerului stiren-anhidrida maleica

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Publication number
RO92859B1
RO92859B1 RO119984A RO11998485A RO92859B1 RO 92859 B1 RO92859 B1 RO 92859B1 RO 119984 A RO119984 A RO 119984A RO 11998485 A RO11998485 A RO 11998485A RO 92859 B1 RO92859 B1 RO 92859B1
Authority
RO
Romania
Prior art keywords
styrene
sodium salt
maleic anhydride
obtaining
anhydride copolymer
Prior art date
Application number
RO119984A
Other languages
English (en)
Other versions
RO92859A2 (ro
Inventor
Valentina Boiesan
Dorin Levitchi
Adrian Cosaveanu
Original Assignee
Combinatul Petrochimic
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 Combinatul Petrochimic filed Critical Combinatul Petrochimic
Priority to RO119984A priority Critical patent/RO92859B1/ro
Publication of RO92859A2 publication Critical patent/RO92859A2/ro
Publication of RO92859B1 publication Critical patent/RO92859B1/ro

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Abstract

Inventia de fata se refera la un procedeu de obtinere a sarii de sodiu a copolimerului stirenanhidrica maleica, prin copolizarea stirenului cu anhidrida maleica si apoi saponificarea copolimerului cu solutie de NaOH în prezenta solventului, concomitent cu distilarea acestuia din mediul de reactie, fara separarea copolimerului.
RO119984A 1985-08-30 1985-08-30 Procedeu de obtinere a sarii de sodiu a copolimerului stiren-anhidrida maleica RO92859B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO119984A RO92859B1 (ro) 1985-08-30 1985-08-30 Procedeu de obtinere a sarii de sodiu a copolimerului stiren-anhidrida maleica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO119984A RO92859B1 (ro) 1985-08-30 1985-08-30 Procedeu de obtinere a sarii de sodiu a copolimerului stiren-anhidrida maleica

Publications (2)

Publication Number Publication Date
RO92859A2 RO92859A2 (ro) 1987-11-30
RO92859B1 true RO92859B1 (ro) 1987-12-01

Family

ID=20117865

Family Applications (1)

Application Number Title Priority Date Filing Date
RO119984A RO92859B1 (ro) 1985-08-30 1985-08-30 Procedeu de obtinere a sarii de sodiu a copolimerului stiren-anhidrida maleica

Country Status (1)

Country Link
RO (1) RO92859B1 (ro)

Also Published As

Publication number Publication date
RO92859A2 (ro) 1987-11-30

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