RO84728B1 - Copolimer anhidrida maleica-stiren si procedeu de obtinere a acestuia - Google Patents
Copolimer anhidrida maleica-stiren si procedeu de obtinere a acestuiaInfo
- Publication number
- RO84728B1 RO84728B1 RO107412A RO10741282A RO84728B1 RO 84728 B1 RO84728 B1 RO 84728B1 RO 107412 A RO107412 A RO 107412A RO 10741282 A RO10741282 A RO 10741282A RO 84728 B1 RO84728 B1 RO 84728B1
- Authority
- RO
- Romania
- Prior art keywords
- styrene
- maleic
- reaction
- temperature
- maleic anhydride
- Prior art date
Links
- 229920001577 copolymer Polymers 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 239000004342 Benzoyl peroxide Substances 0.000 abstract 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 abstract 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 235000019400 benzoyl peroxide Nutrition 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000008096 xylene Substances 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Copolimerul anhidrida maleica-stiren, consta în aceea ca este constituit din anhidrida maleica si stiren în raport molar de 1:1, are structura catenara uniforma si se prezinta sub forma de pulbere fina masa moleculara medie de aproximativ 60000. Procedeul de obtinere a copolimerului consta în aceea ca se supune reactiei de copolimerizare anhidrida maleica cu stirenul prin dizolvarea întregii cantitati de anhidrida maleica în mediu de hidrocarbura aromatica sau alchilaromatica aleasa dintre benzen, toluen, xilen introdusa într-o astfel de cantitate încît dupa dizolvarea anhidridei maleice sa rezulte o solutie de pîna la 10%, dupa care aceasta se aduce la o temperatura de reactie cuprinsa între 60....120 degree C, de preferinta între 80 si 110 degree C, apoi se adauga 2....3% fata de solutia de anhidrida maleica initiator de polimerizare si anume peroxidul de benzoil sub forma de solutie într-o cantitate mica de solvent dupa care se introduce o cantitate echimolara de stiren cu un debit reglat cu preluarea caldurii de reactie de catre un agent termic circulat în exteriorul reactorului cu o viteza si temperatura care sa asigure mentinerea constanta care urmeaza finalizarea reactiei prin ridicarea temperaturii cu 1....5 degree C fata de temperatura mentinuta în perioada de alimentare a stirenului.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO107412A RO84728B1 (ro) | 1982-05-03 | 1982-05-03 | Copolimer anhidrida maleica-stiren si procedeu de obtinere a acestuia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO107412A RO84728B1 (ro) | 1982-05-03 | 1982-05-03 | Copolimer anhidrida maleica-stiren si procedeu de obtinere a acestuia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO84728A2 RO84728A2 (ro) | 1984-07-17 |
| RO84728B1 true RO84728B1 (ro) | 1984-09-30 |
Family
ID=20111466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO107412A RO84728B1 (ro) | 1982-05-03 | 1982-05-03 | Copolimer anhidrida maleica-stiren si procedeu de obtinere a acestuia |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO84728B1 (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035476C (zh) * | 1991-10-28 | 1997-07-23 | 中国石油化工总公司上海石油化工研究院 | 交替型苯乙烯－顺丁烯二酸酐共聚物的合成 |
-
1982
- 1982-05-03 RO RO107412A patent/RO84728B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO84728A2 (ro) | 1984-07-17 |
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