Calcium carbonate oligomer reinforced siloxane oligomer modified hyperbranched polyester polyol solution for sandstone cultural relic protection and preparation method thereof

• Main Authors: WEI ZHIQIANG, LIANG JUNYAN, YANG CHENCHEN, LI YAO, ZHANG JIAQI, LI LI, YAN SHAOJUN, HE LING, ZHAO LINGRU
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DYES; LIME, MAGNESIA; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; POLISHES; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE; USE OF MATERIALS AS ADHESIVES

The invention discloses a calcium carbonate oligomer reinforced siloxane oligomer modified hyperbranched polyester polyol solution for sandstone cultural relic protection and a preparation method thereof, and the preparation method comprises the following steps: mixing molten trimethylolpropane and 2, 2-dimethylolpropionic acid, then carrying out esterification reaction, and after the reaction is completed, purifying the reaction product to obtain hyperbranched polyester polyol; dissolving the hyperbranched polyester polyol in an organic solvent to obtain a hyperbranched polyester polyol solution, mixing the hyperbranched polyester polyol solution with a siloxane oligomer solution, and stirring until the solution is clear and transparent to obtain a siloxane oligomer modified hyperbranched polyester polyol solution; and mixing a calcium carbonate oligomer solution with the siloxane oligomer modified hyperbranched polyester polyol solution, and stirring until the solution is clear and transparent to obtain the