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A platform for research: civil engineering, architecture and urbanism
High-durability polypropylene fiber polymer modified repair mortar and preparation method thereof
The invention discloses high-durability polypropylene fiber polymer modified repair mortar, and relates to the technical field of mortar processing, the high-durability polypropylene fiber polymer modified repair mortar comprises polypropylene fiber/rubber powder modified mortar and polypropylene fiber/emulsion modified mortar, the repair mortar is prepared by taking styrene-acrylic emulsion and VAE emulsion as organic components, taking ordinary Portland cement as an inorganic component, and uniformly mixing the organic components and the inorganic components; a water reducer and a defoaming agent are used as functional assistants, polypropylene fibers are used for reinforcing mortar, an inorganic cement binding material and an organic polymer material are effectively compounded, and a two-component polymer is generated through interaction of polymer emulsion dehydration film forming and cement hydration reaction. The composite material has the excellent characteristics of good durability, high strength, low cost and environmental protection of an inorganic cement-based material, good deformation flexibility, strong cohesiveness and waterproof performance of an organic polymer material and high tensile strength, good durability and the like of polypropylene, and has excellent technical performance advantages.
本发明公开了一种高耐久性聚丙烯纤维聚合物改性修补砂浆，涉及砂浆加工技术领域，包括聚丙烯纤维/胶粉改性砂浆和聚丙烯纤维/乳液改性砂浆，本修补砂浆是一种以苯丙乳液、VAE乳液为有机组分，以普通硅酸盐水泥为无机组分，以减水剂、消泡剂为功能性助剂，采用聚丙烯纤维对砂浆进行增强，利用无机水泥胶凝材料与有机高分子材料的有效复合，经过聚合物乳液脱水成膜与水泥水化反应交互进行生成的一种双组份聚合体，能够兼具无机水泥基材料耐久性好、强度高、价廉环保和有机聚合物材料变形柔韧性好、粘结性强、防水性能以及聚丙烯抗拉强度高、耐久性好等优异等特点，具有极好的技术性能优势。
High-durability polypropylene fiber polymer modified repair mortar and preparation method thereof
The invention discloses high-durability polypropylene fiber polymer modified repair mortar, and relates to the technical field of mortar processing, the high-durability polypropylene fiber polymer modified repair mortar comprises polypropylene fiber/rubber powder modified mortar and polypropylene fiber/emulsion modified mortar, the repair mortar is prepared by taking styrene-acrylic emulsion and VAE emulsion as organic components, taking ordinary Portland cement as an inorganic component, and uniformly mixing the organic components and the inorganic components; a water reducer and a defoaming agent are used as functional assistants, polypropylene fibers are used for reinforcing mortar, an inorganic cement binding material and an organic polymer material are effectively compounded, and a two-component polymer is generated through interaction of polymer emulsion dehydration film forming and cement hydration reaction. The composite material has the excellent characteristics of good durability, high strength, low cost and environmental protection of an inorganic cement-based material, good deformation flexibility, strong cohesiveness and waterproof performance of an organic polymer material and high tensile strength, good durability and the like of polypropylene, and has excellent technical performance advantages.
本发明公开了一种高耐久性聚丙烯纤维聚合物改性修补砂浆，涉及砂浆加工技术领域，包括聚丙烯纤维/胶粉改性砂浆和聚丙烯纤维/乳液改性砂浆，本修补砂浆是一种以苯丙乳液、VAE乳液为有机组分，以普通硅酸盐水泥为无机组分，以减水剂、消泡剂为功能性助剂，采用聚丙烯纤维对砂浆进行增强，利用无机水泥胶凝材料与有机高分子材料的有效复合，经过聚合物乳液脱水成膜与水泥水化反应交互进行生成的一种双组份聚合体，能够兼具无机水泥基材料耐久性好、强度高、价廉环保和有机聚合物材料变形柔韧性好、粘结性强、防水性能以及聚丙烯抗拉强度高、耐久性好等优异等特点，具有极好的技术性能优势。
High-durability polypropylene fiber polymer modified repair mortar and preparation method thereof
一种高耐久性聚丙烯纤维聚合物改性修补砂浆及其制备方法
REN BIAO (author) / XU JINYU (author) / WANG ZHIHANG (author) / BAI ERLEI (author) / LYU YAN (author)
2022-03-25
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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