Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Composite-based water-soluble core mold material and preparation method thereof
The invention discloses a composite-based water-soluble core mold material and a preparation method thereof, and relates to the technical field of core mold material preparation. The composite-based water-soluble core mold material is prepared from the following components in parts by weight: 320 to 480 parts of quartz sand and 40 to 80 parts of composite binder glue solution, wherein the composite binder glue solution comprises a polyvinyl alcohol solution and a carboxymethyl cellulose solution. According to the composite binder glue solution prepared by compounding and blending carboxymethyl cellulose and polyvinyl alcohol, the glass transition temperature and the mechanical property of the composite binder can be effectively improved, the body thermodynamic property and the water solubility of the composite binder are synergistically enhanced, and then the high-temperature compression strength and the modulus of the core mold are improved; meanwhile, it can be guaranteed that the core mold has good water-soluble collapsibility, the defect that the high-temperature mechanical performance and the water-soluble collapsibility of a single polyvinyl alcohol-based water-soluble core mold material cannot be synergistically enhanced is overcome, and the high-temperature compression modulus is effectively increased.
本申请公开了一种复合基水溶性芯模材料及其制备方法，涉及芯模材料制备技术领域。一种复合基水溶性芯模材料，按重量份计，包括以下组分：石英砂320份‑480份和复合粘结剂胶液40份‑80份；其中，复合粘结剂胶液包括聚乙烯醇溶液和羧甲基纤维素溶液。本申请将羧甲基纤维素和聚乙烯醇复合共混制备的复合粘结剂胶液，可有效提升复合粘结剂的玻璃化温度和力学性能，协同增强复合粘结剂的本体热力学性能和水溶性能，进而提高芯模高温压缩强度和模量，同时又能保障芯模具有较好的水溶溃散性能，克服了单一聚乙烯醇基水溶性芯模材料的高温机械性能和水溶溃散性能不能协同增强的缺点，且有效地增大了高温压缩模量。
Composite-based water-soluble core mold material and preparation method thereof
The invention discloses a composite-based water-soluble core mold material and a preparation method thereof, and relates to the technical field of core mold material preparation. The composite-based water-soluble core mold material is prepared from the following components in parts by weight: 320 to 480 parts of quartz sand and 40 to 80 parts of composite binder glue solution, wherein the composite binder glue solution comprises a polyvinyl alcohol solution and a carboxymethyl cellulose solution. According to the composite binder glue solution prepared by compounding and blending carboxymethyl cellulose and polyvinyl alcohol, the glass transition temperature and the mechanical property of the composite binder can be effectively improved, the body thermodynamic property and the water solubility of the composite binder are synergistically enhanced, and then the high-temperature compression strength and the modulus of the core mold are improved; meanwhile, it can be guaranteed that the core mold has good water-soluble collapsibility, the defect that the high-temperature mechanical performance and the water-soluble collapsibility of a single polyvinyl alcohol-based water-soluble core mold material cannot be synergistically enhanced is overcome, and the high-temperature compression modulus is effectively increased.
本申请公开了一种复合基水溶性芯模材料及其制备方法，涉及芯模材料制备技术领域。一种复合基水溶性芯模材料，按重量份计，包括以下组分：石英砂320份‑480份和复合粘结剂胶液40份‑80份；其中，复合粘结剂胶液包括聚乙烯醇溶液和羧甲基纤维素溶液。本申请将羧甲基纤维素和聚乙烯醇复合共混制备的复合粘结剂胶液，可有效提升复合粘结剂的玻璃化温度和力学性能，协同增强复合粘结剂的本体热力学性能和水溶性能，进而提高芯模高温压缩强度和模量，同时又能保障芯模具有较好的水溶溃散性能，克服了单一聚乙烯醇基水溶性芯模材料的高温机械性能和水溶溃散性能不能协同增强的缺点，且有效地增大了高温压缩模量。
Composite-based water-soluble core mold material and preparation method thereof
一种复合基水溶性芯模材料及其制备方法
LIU SITONG (Autor:in) / LUO WEI (Autor:in) / CHEN GUIYONG (Autor:in) / ZENG XINGQUAN (Autor:in) / WANG ZIXUN (Autor:in)
12.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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