FIELD: chemistry.
SUBSTANCE: group of inventions relates to a liquid butadiene-styrene polymer, a method for production thereof and use thereof, as well as a composition, a polymer coating, an adhesive material and a cross-linking agent. With respect to the total weight of the liquid butadiene-styrene polymer in the liquid butadiene-styrene polymer, the content of the styrene structural link is 15–30 wt.%, content of butadiene structural link is 70–85 wt.% and content of 1,2-structural link is 60–80 wt.%, with respect to the total weight of 1,2-structural unit in the liquid butadiene-styrene polymer, the content of cyclized 1,2-structural unit is 30–60 wt.%. Described also is a method of producing a liquid butadiene-styrene polymer, involving contacting 1,3-butadiene and styrene with a structure modifier and an anionic polymerisation initiator with a solvent, wherein the structure modifier includes component A and component B, where component A is a tertiary amine, component B is an alkali metal alkoxide, and the polymerisation solvent includes an aliphatic heterocyclic solvent.
EFFECT: providing liquid butadiene-styrene polymer with high content of 1,2-structural links, wherein portion of 1,2-structural units forms a cyclic structure, also characterized by a suitable molecular weight and dynamic viscosity, as well as a narrow molecular weight distribution; coatings formed by liquid butadiene-styrene polymer not only have high peel strength, but also have improved characteristics of thermal expansion.
23 cl, 4 tbl, 30 ex
| Title | Year | Author | Number |
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| LIQUID POLYBUTADIENE AND METHOD FOR PRODUCTION THEREOF AND USE THEREOF, COMPOSITION, POLYMER COATING, ADHESIVE MATERIAL AND CROSS-LINKING AGENT | 2020 |
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| MODIFIED RUBBER MOTHER BATCH, AND RUBBER MIXTURE AND VULCANIZED RUBBER MADE THEREFROM, AND METHODS OF THEIR PRODUCTION | 2012 |
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| TIRE ELEMENT, HYDROGENATED POLYMER BASED ON CONJUGATED DIENE AND POLYMER COMPOSITION | 2014 |
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