FIELD: chemistry.
SUBSTANCE: invention relates to field of highly molecular compounds, in particular to obtaining polymer products, containing anhydride groups in composition of macromolecules. method of obtaining maleated 1,2-polybutadienes consists in interaction of solution of syndiotactic 1,2-polybutadiene with molecular weight 10000-90000 in organic solvent with maleic anhydride; method is characterised by the fact that syndiotactic 1,2-polybutadiene with degree of syndiotacticity 50-90% and content in macromolecules of 1,2 units equal 90-95%, is used; reaction is carried out with molar ratio 1,2-polybutadiene:maleic anhydride 1:0.81-1.1, at temperature 201-210°C for 8.5-12 hours, with ionol being applied as gel-formation inhibitor.
EFFECT: improvement of target product quality, reduction of energy consumption, elimination of chemically aggressive and corrosion-active substances from the process of synthesis of maleated 1,2 polybutadienes.
1 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING POLYMERS CONTAINING DICHLOROCYCLOPROPANE GROUPS | 2011 |
|
RU2470032C1 |
| PRODUCTION METHOD OF POLYMERIC PRODUCTS, CONTAINING CYCLOPROPANE GROUPS | 2016 |
|
RU2631504C2 |
| METHOD OF PRODUCING POLYMERS CONTAINING CYCLOPROPANE GROUPS | 2010 |
|
RU2443674C1 |
| POLYMERIC PRODUCTS CONTAINING CYCLOPROPANE GROUPS | 2017 |
|
RU2670981C1 |
| METHOD OF PRODUCING EPOXIDATED 1,2-POLYBUTADIENES | 2012 |
|
RU2486207C1 |
| METHOD OF PRODUCING EPOXIDATED 1,2-POLYBUTADIENES | 2012 |
|
RU2486210C1 |
| METHOD OF OBTAINING PHOSPHORYLATED 1,2-POLYBUTADIENES | 2013 |
|
RU2535374C1 |
| METHOD OF PRODUCING HYDROGENATED 1,2-POLYBUTADIENE DERIVATIVES | 2013 |
|
RU2538955C1 |
| METHOD OF PRODUCING HYDROGENATED 1,2-POLYBUTADIENES | 2013 |
|
RU2538956C1 |
| METHOD OF PRODUCING ADDUCTS OF MALEIC ANHYDRIDE WITH LOW-MOLECULAR (CO) | 2009 |
|
RU2424250C1 |
