BLOCK COPOLYMER FOR POLYMER-BITUMEN BINDERS, POLYMER-BITUMEN COMPOSITIONS FOR ROAD CONSTRUCTION
	AKSENOV K V; BURENINA D E; LIAKHOVSKAIA M V
	2022-10-14
专利权人	SIBUR HOLDING STOCK CO (SIBU-Non-standard)
申请日期	2022-10-14
专利号	RU2825639-C1
成果简介	NOVELTY - Invention relates to block copolymers for polymer-bitumen binders. Disclosed is a bimodal butadiene-styrene block copolymer for polymer-bitumen binders, which is a linear three-block copolymer of formula A-B-A, where A is a polystyrene block, B is a polybutadiene block, characterized by a conical distribution of 1,2-links in the polybutadiene block, wherein the highest content of 1,2-units is concentrated at the end of the polybutadiene block adjacent to the first polystyrene block, and ratio of content of 1,2-links to 1,4-links during formation of butadiene block varies from 4.6–4.3 at conversion of butadiene of 0–10% to 2.0–3.5 at conversion of butadiene of 90–100%; two versions of a polymer-bitumen composition for road construction, containing the disclosed bimodal butadiene-styrene block copolymer, and an asphalt mixture containing the disclosed polymer-bitumen compositions. USE - Construction materials. ADVANTAGE - Improved properties of the butadiene-styrene block copolymer, high Shore hardness and Vicat softening temperature, as well as high processability of polymer-bitumen binders. 8 cl, 3 tbl, 10 ex
IPC 分类号	C04B-026/26 ; C08F-297/04 ; C08L-095/00
国家	俄罗斯
专业领域	材料科学
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/13142
专题	中国科学院新疆生态与地理研究所
作者单位	SIBUR HOLDING STOCK CO (SIBU-Non-standard)
推荐引用方式 GB/T 7714	AKSENOV K V,BURENINA D E,LIAKHOVSKAIA M V. BLOCK COPOLYMER FOR POLYMER-BITUMEN BINDERS, POLYMER-BITUMEN COMPOSITIONS FOR ROAD CONSTRUCTION. RU2825639-C1[P]. 2022.

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