Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Single-component polyurethane prime coat, preparation method thereof and fiber cement board
The invention belongs to the technical field of coatings, and particularly relates to a single-component polyurethane prime coat. The single-component polyurethane prime coat is composed of a resin base material and auxiliaries, the resin base material is an isocyanate prepolymer, and the auxiliaries comprise a leveling agent, an antifoaming agent, a latent curing agent and a catalyst. The catalyst promotes the isocyanate prepolymer to react with water in the air and to be cured. When the single-component polyurethane prime coat is used for preparing a fiber cement board, the single-componentpolyurethane prime coat is easy to apply, a substrate does not need to be pretreated, the single-component polyurethane prime coat can chemically react with the substrate, the adhesive force is good,paint stripping is avoided, the waterproofness is good, the high-permeability effect and the high-reinforcement effect are achieved, and the batch quality stability of the prepared fiber cement boardis good. The invention also relates to a preparation method of the single-component polyurethane prime coat and a fiber cement board.
本发明属于涂料技术领域，具体地说，涉及一种单组分聚氨酯底涂，所述的单组分聚氨酯底涂由树脂基料和助剂组成，所述树脂基料为异氰酸酯预聚体，所述助剂包括流平剂、消泡剂、潜固化剂和催化剂；所述催化剂促进异氰酸酯预聚体与空气中的水反应、固化。本发明的单组分聚氨酯底涂在用于制备纤维水泥板时，易涂装、底材无需前处理，并且可与基材发生化学反应，附着力好、无脱漆、防水性好，具有高渗透作用和高加固作用，制备的纤维水泥板的批次质量稳定性好。本发明还涉及上述单组分聚氨酯底涂的制备方法和一种纤维水泥板。
Single-component polyurethane prime coat, preparation method thereof and fiber cement board
The invention belongs to the technical field of coatings, and particularly relates to a single-component polyurethane prime coat. The single-component polyurethane prime coat is composed of a resin base material and auxiliaries, the resin base material is an isocyanate prepolymer, and the auxiliaries comprise a leveling agent, an antifoaming agent, a latent curing agent and a catalyst. The catalyst promotes the isocyanate prepolymer to react with water in the air and to be cured. When the single-component polyurethane prime coat is used for preparing a fiber cement board, the single-componentpolyurethane prime coat is easy to apply, a substrate does not need to be pretreated, the single-component polyurethane prime coat can chemically react with the substrate, the adhesive force is good,paint stripping is avoided, the waterproofness is good, the high-permeability effect and the high-reinforcement effect are achieved, and the batch quality stability of the prepared fiber cement boardis good. The invention also relates to a preparation method of the single-component polyurethane prime coat and a fiber cement board.
本发明属于涂料技术领域，具体地说，涉及一种单组分聚氨酯底涂，所述的单组分聚氨酯底涂由树脂基料和助剂组成，所述树脂基料为异氰酸酯预聚体，所述助剂包括流平剂、消泡剂、潜固化剂和催化剂；所述催化剂促进异氰酸酯预聚体与空气中的水反应、固化。本发明的单组分聚氨酯底涂在用于制备纤维水泥板时，易涂装、底材无需前处理，并且可与基材发生化学反应，附着力好、无脱漆、防水性好，具有高渗透作用和高加固作用，制备的纤维水泥板的批次质量稳定性好。本发明还涉及上述单组分聚氨酯底涂的制备方法和一种纤维水泥板。
Single-component polyurethane prime coat, preparation method thereof and fiber cement board
一种单组分聚氨酯底涂、其制备方法和纤维水泥板
CHEN SHOUQIAN (Autor:in) / XIA ZHIYU (Autor:in) / GAO SHUANGZHI (Autor:in) / LI JIHUA (Autor:in) / PEI DAOHAI (Autor:in) / NING WEI (Autor:in)
10.07.2020
Patent
Elektronische Ressource
Chinesisch
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