Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modified hydroxypropyl methyl cellulose as well as preparation method and application thereof in mortar
The invention provides modified hydroxypropyl methyl cellulose, a preparation method of the modified hydroxypropyl methyl cellulose and application of the modified hydroxypropyl methyl cellulose in mortar. The hydroxypropyl methyl cellulose obtained by the preparation method of the modified hydroxypropyl methyl cellulose has the advantages that the substitution degree of methoxy groups is improved; and then vinyl tri (2-methoxyethoxy) silane, allyl carbamate and polyvinyl alcohol are grafted to form modified hydroxypropyl methyl cellulose, so that the adhesion and hydrophobicity of the modified hydroxypropyl methyl cellulose are improved. The prepared modified hydroxypropyl methyl cellulose is applied to mortar, so that the mortar has good adhesive property, hydrophobic property, mildew-proof property and mechanical property, and can be used for a long time in an easily humid place.
本发明提供了一种改性羟丙基甲基纤维素及其制备方法与在砂浆中的应用，采用本发明改性羟丙基甲基纤维素的制备方法得到的羟丙基甲基纤维素提高了甲氧基基团的取代度，再接枝乙烯基三(2‑甲氧基乙氧基)硅烷、氨基甲酸烯丙酯、聚乙烯醇形成改性羟丙基甲基纤维素，提升了其粘结度和疏水性。将制备得到的改性羟丙基甲基纤维素应用在砂浆中，能使砂浆具有良好的粘结性能、疏水性能、防霉性能和机械性能，可在易潮湿场所长期使用。
Modified hydroxypropyl methyl cellulose as well as preparation method and application thereof in mortar
The invention provides modified hydroxypropyl methyl cellulose, a preparation method of the modified hydroxypropyl methyl cellulose and application of the modified hydroxypropyl methyl cellulose in mortar. The hydroxypropyl methyl cellulose obtained by the preparation method of the modified hydroxypropyl methyl cellulose has the advantages that the substitution degree of methoxy groups is improved; and then vinyl tri (2-methoxyethoxy) silane, allyl carbamate and polyvinyl alcohol are grafted to form modified hydroxypropyl methyl cellulose, so that the adhesion and hydrophobicity of the modified hydroxypropyl methyl cellulose are improved. The prepared modified hydroxypropyl methyl cellulose is applied to mortar, so that the mortar has good adhesive property, hydrophobic property, mildew-proof property and mechanical property, and can be used for a long time in an easily humid place.
本发明提供了一种改性羟丙基甲基纤维素及其制备方法与在砂浆中的应用，采用本发明改性羟丙基甲基纤维素的制备方法得到的羟丙基甲基纤维素提高了甲氧基基团的取代度，再接枝乙烯基三(2‑甲氧基乙氧基)硅烷、氨基甲酸烯丙酯、聚乙烯醇形成改性羟丙基甲基纤维素，提升了其粘结度和疏水性。将制备得到的改性羟丙基甲基纤维素应用在砂浆中，能使砂浆具有良好的粘结性能、疏水性能、防霉性能和机械性能，可在易潮湿场所长期使用。
Modified hydroxypropyl methyl cellulose as well as preparation method and application thereof in mortar
一种改性羟丙基甲基纤维素及其制备方法与在砂浆中的应用
WANG YONGFENG (Autor:in)
08.11.2024
Patent
Elektronische Ressource
Chinesisch
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