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A platform for research: civil engineering, architecture and urbanism
Low-temperature-resistant high-toughness asphalt pavement material
The invention discloses a low-temperature-resistant high-toughness asphalt pavement material, and belongs to the field of asphalt materials, and the low-temperature-resistant high-toughness asphalt pavement material comprises the following components in parts by weight: 200-250 parts of coarse aggregate, 650-750 parts of fine aggregate, 40-50 parts of mineral powder and 45-70 parts of epoxy resin asphalt, the epoxy resin asphalt comprises 45-50 parts of asphalt, 20-30 parts of epoxy resin, 20-30 parts of a core-shell curing agent and 0.1-1 part of a catalyst; a branched structure of a rigid main chain and a flexible side chain is adopted as a core structure, organic acid anhydride of a rigid structure is adopted as a shell structure, the curing agent with the core-shell structure is synthesized through ring-opening metathesis polymerization design, the curing agent has good compatibility with epoxy resin, and an epoxy asphalt material obtained through the curing agent has the advantages that the curing agent has a good curing effect; and under the low-temperature condition, excellent toughness and relatively good mechanical strength are achieved.
本发明公开一种耐低温高韧性沥青路面材料，属于沥青材料领域，本发明的耐低温高韧性沥青路面材料，按重量份算，包括粗集料200～250份、细集料650～750份、矿粉40～50份、环氧树脂沥青45～70份；所述环氧树脂沥青包括沥青45～50份、环氧树脂20～30份、核壳型固化剂20～30份与催化剂0.1～1份；本发明采用刚性主链、柔性侧链的支化结构作为核结构，刚性结构的有机酸酐为壳结构，通过开环易位聚合设计合成了具有核壳结构的固化剂，该固化剂与环氧树脂有着良好的相容性，通过该固化剂得到的环氧沥青材料，在低温条件下既具有优异的韧性又有较好的机械强度。
Low-temperature-resistant high-toughness asphalt pavement material
The invention discloses a low-temperature-resistant high-toughness asphalt pavement material, and belongs to the field of asphalt materials, and the low-temperature-resistant high-toughness asphalt pavement material comprises the following components in parts by weight: 200-250 parts of coarse aggregate, 650-750 parts of fine aggregate, 40-50 parts of mineral powder and 45-70 parts of epoxy resin asphalt, the epoxy resin asphalt comprises 45-50 parts of asphalt, 20-30 parts of epoxy resin, 20-30 parts of a core-shell curing agent and 0.1-1 part of a catalyst; a branched structure of a rigid main chain and a flexible side chain is adopted as a core structure, organic acid anhydride of a rigid structure is adopted as a shell structure, the curing agent with the core-shell structure is synthesized through ring-opening metathesis polymerization design, the curing agent has good compatibility with epoxy resin, and an epoxy asphalt material obtained through the curing agent has the advantages that the curing agent has a good curing effect; and under the low-temperature condition, excellent toughness and relatively good mechanical strength are achieved.
本发明公开一种耐低温高韧性沥青路面材料，属于沥青材料领域，本发明的耐低温高韧性沥青路面材料，按重量份算，包括粗集料200～250份、细集料650～750份、矿粉40～50份、环氧树脂沥青45～70份；所述环氧树脂沥青包括沥青45～50份、环氧树脂20～30份、核壳型固化剂20～30份与催化剂0.1～1份；本发明采用刚性主链、柔性侧链的支化结构作为核结构，刚性结构的有机酸酐为壳结构，通过开环易位聚合设计合成了具有核壳结构的固化剂，该固化剂与环氧树脂有着良好的相容性，通过该固化剂得到的环氧沥青材料，在低温条件下既具有优异的韧性又有较好的机械强度。
Low-temperature-resistant high-toughness asphalt pavement material
耐低温高韧性沥青路面材料
WANG FENGCHUN (author) / LU CHANGHUI (author) / LI SHU (author)
2024-12-13
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
/
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
,
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
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