Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Concrete doped with steel fibers
The invention relates to concrete doped with steel fibers, and belongs to the technical field of concrete. According to the invention, the maleic anhydride grafted polymer builds a'bridge 'in the steel fiber and the concrete raw material, and the adhesive force between the steel fiber and a matrix is remarkably improved, so that the tensile strength and breaking strength of the concrete are improved; in the preparation of the maleic anhydride grafted polymer, polyacrylate with a fluorine structure reacts with ammonia water to generate amide groups, and hydrogen-bond interaction can be formed among the amide groups of all molecules, so that the tensile strength and the breaking strength of the concrete are remarkably improved; the anhydride group reacts with carboxyl in the carboxylic butadiene-styrene latex emulsion, and the introduction of maleic anhydride can form a cross-linked structure among molecules, so that the tensile strength and breaking strength of the concrete are improved.
本发明涉及一种掺入钢纤维的混凝土，属于混凝土技术领域。本发明中马来酸酐接枝聚合物的存在在钢纤维和混凝土原料中架起“桥梁”，显著提升了钢纤维与基体的粘合力，从而提升了混凝土的抗拉伸强度和抗折强度；马来酸酐接枝聚合物的制备中，具有氟结构的聚丙烯酸酯与氨水反应生成了酰胺基团，而各分子的酰胺基团之间可形成氢键作用，这种作用使得混凝土的抗拉伸强度和抗折强度显著提升；酸酐基团，与羧基丁苯胶乳乳液中的羧基发生反应，而马来酸酐的引入可以在分子间形成交联结构，提升了混凝土的抗拉伸强度和抗折强度。
Concrete doped with steel fibers
The invention relates to concrete doped with steel fibers, and belongs to the technical field of concrete. According to the invention, the maleic anhydride grafted polymer builds a'bridge 'in the steel fiber and the concrete raw material, and the adhesive force between the steel fiber and a matrix is remarkably improved, so that the tensile strength and breaking strength of the concrete are improved; in the preparation of the maleic anhydride grafted polymer, polyacrylate with a fluorine structure reacts with ammonia water to generate amide groups, and hydrogen-bond interaction can be formed among the amide groups of all molecules, so that the tensile strength and the breaking strength of the concrete are remarkably improved; the anhydride group reacts with carboxyl in the carboxylic butadiene-styrene latex emulsion, and the introduction of maleic anhydride can form a cross-linked structure among molecules, so that the tensile strength and breaking strength of the concrete are improved.
本发明涉及一种掺入钢纤维的混凝土，属于混凝土技术领域。本发明中马来酸酐接枝聚合物的存在在钢纤维和混凝土原料中架起“桥梁”，显著提升了钢纤维与基体的粘合力，从而提升了混凝土的抗拉伸强度和抗折强度；马来酸酐接枝聚合物的制备中，具有氟结构的聚丙烯酸酯与氨水反应生成了酰胺基团，而各分子的酰胺基团之间可形成氢键作用，这种作用使得混凝土的抗拉伸强度和抗折强度显著提升；酸酐基团，与羧基丁苯胶乳乳液中的羧基发生反应，而马来酸酐的引入可以在分子间形成交联结构，提升了混凝土的抗拉伸强度和抗折强度。
Concrete doped with steel fibers
一种掺入钢纤维的混凝土
FAN WENBO (Autor:in) / JIANG SHOUHENG (Autor:in)
30.04.2024
Patent
Elektronische Ressource
Chinesisch
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