改性玄武岩纤维对矿渣水泥砂浆性能的影响_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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改性玄武岩纤维对矿渣水泥砂浆性能的影响

Effect of Modified Basalt Fiber on the Properties of Slag Cement Mortar

2022年第11期

低温等离子接枝；玄武岩纤维；矿渣水泥砂浆；力学性能

Low temperature plasma grafting; Basalt fiber; Slag cement mortar; Mechanical property

2022年第11期

10.19761/j.1000-4637.2022.11.049.05

罗添禄1，李泽刚2，宋杨1，曾睿1，张龙2，陈洪根1，李聪1

1.成都产品质量检验研究院有限责任公司，四川成都 610000；2.四川省产品质量监督检验检测院，四川成都 610000

罗添禄1，李泽刚2，宋杨1，曾睿1，张龙2，陈洪根1，李聪1

罗添禄,李泽刚,宋杨,等.改性玄武岩纤维对矿渣水泥砂浆性能的影响[J].混凝土与水泥制品,2022(11):49-53.

LUO T L,LI Z G,SONG Y,et al.Effect of Modified Basalt Fiber on the Properties of Slag Cement Mortar[J].China Concrete and Cement Products,2022(11):49-53.

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1000

摘要：采用低温等离子接枝方式对玄武岩纤维（BF）进行改性处理，研究了接枝介质（水、丙烯酸、乙醇）和处理时间（10、20、30、40 min）对BF表面接触角和比表面积的影响，并研究了接枝改性BF对矿渣水泥砂浆力学性能的影响。结果表明：经过接枝改性处理后，BF的表面亲水性增强，粗糙度增大；当接枝介质为水、丙烯酸、乙醇时，试件的28 d抗压强度与空白组和掺未改性BF试件相比均变化不大，但28 d抗折强度均明显增大，其中，接枝介质为乙醇改性BF试件的28 d抗折强度最高，韧性最好，这是由于接枝改性BF与基体之间的黏结力增大所导致的。 Abstract: Basalt fiber(BF) was modified by low temperature plasma grafting method. The effects of grafting medium (water, acrylic acid, ethanol) and treatment time (10, 20, 30, 40 min) on the surface contact angle and specific surface area of BF were studied, and the effects of grafting modified BF on the mechanical properties of slag cement mortar were also studied. The results show that the surface hydrophilicity and roughness of BF are enhanced after grafting modification. When the grafting medium is water, acrylic acid and ethanol, the 28 d compressive strength of the specimen has little change compared with the blank group and the specimen mixed with unmodified BF, but the 28d flexural strength is significantly increased. Among them, the 28 d flexural strength of the specimen with the grafting medium of ethanol is the highest and the toughness is the best, which is due to the increase of the adhesion between the grafting modified BF and the matrix.

英文名 : Effect of Modified Basalt Fiber on the Properties of Slag Cement Mortar

刊期 : 2022年第11期

关键词 : 低温等离子接枝；玄武岩纤维；矿渣水泥砂浆；力学性能

Key words : Low temperature plasma grafting; Basalt fiber; Slag cement mortar; Mechanical property

刊期 : 2022年第11期

DOI : 10.19761/j.1000-4637.2022.11.049.05

文章编号 :

基金项目 :

作者 : 罗添禄1，李泽刚2，宋杨1，曾睿1，张龙2，陈洪根1，李聪1

单位 : 1.成都产品质量检验研究院有限责任公司，四川成都 610000；2.四川省产品质量监督检验检测院，四川成都 610000

罗添禄1，李泽刚2，宋杨1，曾睿1，张龙2，陈洪根1，李聪1

罗添禄,李泽刚,宋杨,等.改性玄武岩纤维对矿渣水泥砂浆性能的影响[J].混凝土与水泥制品,2022(11):49-53.

LUO T L,LI Z G,SONG Y,et al.Effect of Modified Basalt Fiber on the Properties of Slag Cement Mortar[J].China Concrete and Cement Products,2022(11):49-53.

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摘要

参数

结论

参考文献

引用本文

Abstract: Basalt fiber(BF) was modified by low temperature plasma grafting method. The effects of grafting medium (water, acrylic acid, ethanol) and treatment time (10, 20, 30, 40 min) on the surface contact angle and specific surface area of BF were studied, and the effects of grafting modified BF on the mechanical properties of slag cement mortar were also studied. The results show that the surface hydrophilicity and roughness of BF are enhanced after grafting modification. When the grafting medium is water, acrylic acid and ethanol, the 28 d compressive strength of the specimen has little change compared with the blank group and the specimen mixed with unmodified BF, but the 28d flexural strength is significantly increased. Among them, the 28 d flexural strength of the specimen with the grafting medium of ethanol is the highest and the toughness is the best, which is due to the increase of the adhesion between the grafting modified BF and the matrix.

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头部文案

改性玄武岩纤维对矿渣水泥砂浆性能的影响

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