TWI711595B - Mortar composition, mortar and hardened mortar - Google Patents

Mortar composition, mortar and hardened mortar Download PDF

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TWI711595B
TWI711595B TW108136704A TW108136704A TWI711595B TW I711595 B TWI711595 B TW I711595B TW 108136704 A TW108136704 A TW 108136704A TW 108136704 A TW108136704 A TW 108136704A TW I711595 B TWI711595 B TW I711595B
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mortar
cement
silicon carbide
total weight
accounts
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TW108136704A
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TW202114959A (en
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李崇仁
陳世峰
莊明得
鐘耀門
方建弘
林嘉政
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富元環保開發股份有限公司
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Priority to CN201911088569.7A priority patent/CN112624669A/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A mortar composition includes 20-65 wt% of cementing material and 35-80 wt% of silicon carbide, and the cementing material includes cement, fly ash and slag powder. The mortar composition is mixed with water to become a mortar, and the mortar is dried to become a hardened mortar. The silicon carbide is provided to enhance compressive strength and durability of the hardened mortar.

Description

砂漿組成物、砂漿及砂漿硬固物Mortar composition, mortar and hard mortar

本發明關於一種砂漿組成物，特別是一種含有碳化矽的砂漿組成物。The present invention relates to a mortar composition, particularly a mortar composition containing silicon carbide.

傳統水泥砂漿由水泥、砂(細砂或粗砂)及水混拌而成，用以粉刷牆壁、黏貼磁磚/磚塊或修補混凝土裂縫，天然砂的莫氏硬度大約介於2-3之間，受限於天然砂的硬度，即使提高水泥的使用量，仍不易提高水泥砂漿硬固後的抗壓強度，此外，傳統水泥砂漿會產生許多孔隙，且硬固後仍不易排除，孔隙會影響砂漿硬固體的耐久性，因此經長時間風化後，砂漿硬固體容易出現白華、崩解、裂縫等現象，導致牆壁粉刷層、磁磚或磚塊剝落。Traditional cement mortar is made by mixing cement, sand (fine sand or coarse sand) and water. It is used to paint walls, stick tiles/bricks or repair concrete cracks. The Mohs hardness of natural sand is about 2-3 However, limited by the hardness of natural sand, even if the amount of cement used is increased, it is still difficult to increase the compressive strength of cement mortar after hardening. In addition, traditional cement mortar will produce many pores, which are not easy to eliminate after hardening. It affects the durability of the hard solids of the mortar. Therefore, after a long period of weathering, the hard solids of the mortar are prone to white blooming, disintegration, cracks, etc., causing the wall paint layer, tiles or bricks to peel off.

本發明之一目的在於提供一種砂漿組成物，其包含20-65 wt%的一膠結材及35-80 wt%的一碳化矽，其中該膠結材包含一水泥、一飛灰及一爐石粉。An object of the present invention is to provide a mortar composition comprising 20-65 wt% of a cement and 35-80 wt% of silicon carbide, wherein the cement includes a cement, a fly ash and a furnace stone powder.

本發明之另一目的在於提供一種砂漿，其包含上述砂漿組成物及一水。Another object of the present invention is to provide a mortar comprising the above-mentioned mortar composition and a water.

本發明之另一目的在於提供一種砂漿硬固物，其由上述砂漿硬固而成。Another object of the present invention is to provide a hard mortar made of the above-mentioned mortar.

本發明之該砂漿組成物以該碳化矽取代天然砂，並以該飛灰及該爐石粉取代部份水泥，本發明有效利用工業副產物/廢棄物，以減少天然砂及水泥的使用量，可降低環境負擔及原料成本，該砂漿組成物與該水拌合後形成該砂漿，該砂漿硬固後形成該砂漿硬固物，由於該碳化矽硬度大於天然砂，且可與該膠結材形成低孔隙率的緻密結構，因此可提昇該砂漿硬固物的抗壓強度及耐久度。The mortar composition of the present invention replaces natural sand with the silicon carbide, and replaces part of the cement with the fly ash and the furnace stone powder. The present invention effectively utilizes industrial by-products/waste to reduce the usage of natural sand and cement. The environmental burden and raw material cost can be reduced. The mortar composition is mixed with the water to form the mortar, and the mortar is hardened to form the mortar hard object. Because the silicon carbide is harder than natural sand and can be formed with the cement The compact structure with low porosity can improve the compressive strength and durability of the hard solids of the mortar.

本發明揭露一種砂漿組成物，其包含20-65 wt%的一膠結材及35-80 wt%的一碳化矽，該砂漿組成物可與水混拌成一砂漿，而該砂漿硬固後可形成一砂漿硬固物。The present invention discloses a mortar composition comprising 20-65 wt% of a cementing material and 35-80 wt% of a silicon carbide. The mortar composition can be mixed with water to form a mortar, and the mortar can be formed after being hardened A hard solid mortar.

一般太陽能面板廠或晶圓廠在晶片切削過程中會產生廢棄物，其中含有碳化矽、矽及切削油液等，廢棄物經過濾、分離等純化步驟去除矽及油液後取得碳化矽，本發明可使用自廢棄物回收的碳化矽作為該砂漿組成物的原料，但本發明不以此為限制，該砂漿組成物可使用其他來源的碳化矽。Generally, solar panel factories or wafer fabs will generate waste during the chip cutting process, which contains silicon carbide, silicon and cutting oil. The waste is filtered, separated and purified to remove silicon and oil to obtain silicon carbide. The invention can use silicon carbide recovered from waste as the raw material of the mortar composition, but the invention is not limited to this, and the mortar composition can use silicon carbide from other sources.

該膠結材包含一水泥、一飛灰及一爐石粉，該水泥可選自於波特蘭水泥，該飛灰為燃煤火力發電廠之副產物，由靜電集塵器收集而得，該爐石粉為煉鋼廠水淬高爐石研磨而成之細粉，該飛灰及該爐石粉作為膠結材使用，以取代部份水泥，其中該水泥、該飛灰及該爐石粉的比例可根據不同抗壓強度及工作性的需求進行調整，本發明不限制其比例，較佳地，該水泥佔該砂漿組成物總重之10-25 wt%，該飛灰佔該砂漿組成物總重之5-20 wt%，該爐石粉佔該砂漿組成物總重之5-20 wt%，該碳化矽佔該砂漿組成物總重之40-74 wt%。The cement includes a cement, a fly ash and a furnace stone powder. The cement can be selected from Portland cement. The fly ash is a by-product of a coal-fired thermal power plant and is collected by an electrostatic precipitator. Stone powder is fine powder produced by grinding water-quenched blast furnace stone in a steelmaking plant. The fly ash and the furnace stone powder are used as cementing materials to replace part of the cement. The proportions of the cement, the fly ash and the furnace stone powder can vary according to The requirements of compressive strength and workability are adjusted. The present invention does not limit the ratio. Preferably, the cement accounts for 10-25 wt% of the total weight of the mortar composition, and the fly ash accounts for 5 of the total weight of the mortar composition -20 wt%, the furnace stone powder accounts for 5-20 wt% of the total weight of the mortar composition, and the silicon carbide accounts for 40-74 wt% of the total weight of the mortar composition.

本發明再利用該爐石粉以取代部份水泥，因此可減少水泥的使用量，以降低該砂漿組成物的生產成本，該爐石粉具有提昇該砂漿硬固物的耐久性、末期強度及抗海水硫酸鹽侵蝕的能力等優點，亦可避免水化過程中產生水化熱抑制應變。The present invention reuses the furnace stone powder to replace part of the cement, so the amount of cement used can be reduced to reduce the production cost of the mortar composition. The furnace stone powder can improve the durability, end-stage strength and seawater resistance of the mortar hard solids The ability of sulfate attack and other advantages can also avoid the generation of hydration heat during the hydration process to inhibit strain.

在一實施例中，該砂漿組成物包含20-65 wt%的該膠結材及35-80 wt%的該碳化矽，該膠結材由該水泥、該飛灰及該爐石粉所組成。In one embodiment, the mortar composition includes 20-65 wt% of the cement and 35-80 wt% of the silicon carbide, and the cement is composed of the cement, the fly ash and the hearth powder.

在一實施例中，該砂漿組成物由20-65 wt%的該膠結材及35-80 wt%的該碳化矽所組成，該膠結材包含該水泥、該飛灰及該爐石粉。In one embodiment, the mortar composition is composed of 20-65 wt% of the cement and 35-80 wt% of the silicon carbide, and the cement includes the cement, the fly ash and the hearth powder.

在一實施例中，該砂漿組成物由20-65 wt%的該膠結材及35-80 wt%的該碳化矽所組成，該膠結材由該水泥、該飛灰及該爐石粉所組成。In one embodiment, the mortar composition is composed of 20-65 wt% of the cement and 35-80 wt% of the silicon carbide, and the cement is composed of the cement, the fly ash and the hearth powder.

在一實施例中，該砂漿組成物包含10-25 wt%的該水泥、5-20 wt%的該飛灰、5-20 wt%的該爐石粉及40-74 wt%的該碳化矽。In one embodiment, the mortar composition includes 10-25 wt% of the cement, 5-20 wt% of the fly ash, 5-20 wt% of the hearth powder, and 40-74 wt% of the silicon carbide.

在一實施例中，該砂漿組成物由10-25 wt%的該水泥、5-20 wt%的該飛灰、5-20 wt%的該爐石粉及40-74 wt%的該碳化矽所組成。In one embodiment, the mortar composition is composed of 10-25 wt% of the cement, 5-20 wt% of the fly ash, 5-20 wt% of the hearth powder, and 40-74 wt% of the silicon carbide. composition.

請參閱表1，該碳化矽之細度大於該膠結材之細度，表示該碳化矽之粒徑小於該膠結材之粒徑，較佳地，該碳化矽之細度介於6000-10000 cm 2/g之間，大於該水泥、該飛灰及該爐石粉之細度，而該碳化矽之平均粒徑約為10 μm，小於該水泥、該飛灰及該爐石粉之平均粒徑，且遠小於細砂(150-2350 μm)及粗砂(150-4750 μm)之粒徑，本發明係將該碳化矽作為超微粒惰性骨材使用，以取代傳統水泥砂漿中的天然砂。 -表1-   水泥 飛灰 爐石粉 碳化矽 細度 (cm 2/g) 3000-5000 4000-6000 5000-7000 6000-10000 平均粒徑 (μm) 75 60 45 10 Please refer to Table 1. The fineness of the silicon carbide is greater than the fineness of the cement, which means that the particle size of the silicon carbide is smaller than that of the cement. Preferably, the fineness of the silicon carbide is between 6000-10000 cm 2 /g, which is greater than the fineness of the cement, the fly ash and the furnace stone powder, and the average particle size of the silicon carbide is about 10 μm, which is smaller than the average particle size of the cement, the fly ash and the furnace stone powder, And much smaller than the particle size of fine sand (150-2350 μm) and coarse sand (150-4750 μm), the present invention uses the silicon carbide as an ultrafine inert aggregate to replace natural sand in traditional cement mortar. -Table 1- cement Fly ash Hearth powder Silicon carbide Fineness (cm 2 /g) 3000-5000 4000-6000 5000-7000 6000-10000 Average particle size (μm) 75 60 45 10

本發明揭露一種砂漿，其包含上述之該砂漿組成物及一水，該砂漿組成物與該水拌合後形成該砂漿，該砂漿硬固後形成一砂漿硬固物，可根據不同需求調整該砂漿組成物及該水的比例，以取得不同水膠比的砂漿，較佳地，該砂漿組成物佔該砂漿總重之48-85 wt%，該水佔該砂漿總重之8-15 wt%。The present invention discloses a mortar comprising the above-mentioned mortar composition and a water. The mortar composition is mixed with the water to form the mortar, and the mortar is hardened to form a mortar hard solid. The mortar can be adjusted according to different needs. The ratio of the mortar composition and the water to obtain mortars with different water-binder ratios. Preferably, the mortar composition accounts for 48-85 wt% of the total weight of the mortar, and the water accounts for 8-15 wt% of the total weight of the mortar %.

該砂漿可另包含不大於0.35 wt%的一化學摻料，該化學摻料可選自於國家標準混凝土用化學摻料CNS 12283所列之減水劑(A type)、緩凝劑(B type)、早強劑(C type)、減水緩凝劑(D type)、減水早強劑(E type)、高性能減水劑(F type)或高性能減水緩凝劑(G type)中至少一種，較佳地，該化學摻料為一減水劑，添加該減水劑可減少用水量，以降低該砂漿之水膠比並提高該砂漿硬固物之抗壓強度。The mortar may additionally contain a chemical admixture of not more than 0.35 wt%, which may be selected from the water reducer (A type) and retarder (B type) listed in the national standard chemical admixture for concrete CNS 12283 , At least one of early strength agent (C type), water reducing retarder (D type), water reducing early strength agent (E type), high performance water reducing agent (F type) or high performance water reducing retarder (G type), Preferably, the chemical admixture is a water-reducing agent, and adding the water-reducing agent can reduce the water consumption, so as to reduce the water-binder ratio of the mortar and increase the compressive strength of the mortar's hard material.

較佳地，該砂漿組成物之該膠結材佔該砂漿總重之18-35 wt%，該砂漿組成物之該碳化矽佔該砂漿總重之30-50 wt%，更佳地，該膠結材之該水泥佔該砂漿總重之8-15 wt%，該膠結材之該飛灰佔該砂漿總重之5-10 wt%，該膠結材之該爐石粉佔該砂漿總重之5-10 wt%。Preferably, the cementing material of the mortar composition accounts for 18-35 wt% of the total weight of the mortar, and the silicon carbide of the mortar composition accounts for 30-50 wt% of the total weight of the mortar. More preferably, the cement The cement of the material accounts for 8-15 wt% of the total weight of the mortar, the fly ash of the cement material accounts for 5-10 wt% of the total weight of the mortar, and the hearth powder of the cement material accounts for 5 to the total weight of the mortar 10 wt%.

在一實施例中，該砂漿由48-85 wt%的該砂漿組成物、8-15 wt%的該水及不大於0.35 wt%的該化學摻料所組成。In one embodiment, the mortar is composed of 48-85% by weight of the mortar composition, 8-15% by weight of the water, and no more than 0.35% by weight of the chemical admixture.

在一實施例中，該砂漿由18-35 wt%的該膠結材、30-50 wt%的該碳化矽、8-15 wt%的該水及不大於0.35 wt%的該化學摻料所組成。In one embodiment, the mortar is composed of 18-35 wt% of the cement, 30-50 wt% of the silicon carbide, 8-15 wt% of the water, and no more than 0.35 wt% of the chemical admixture .

在一實施例中，該砂漿由8-15 wt%的該水泥、5-10 wt%的該飛灰、5-10 wt%的該爐石粉、30-50 wt%的該碳化矽、8-15 wt%的該水及不大於0.35 wt%的該化學摻料所組成。In one embodiment, the mortar consists of 8-15 wt% of the cement, 5-10 wt% of the fly ash, 5-10 wt% of the hearth powder, 30-50 wt% of the silicon carbide, 8- 15 wt% of the water and no more than 0.35 wt% of the chemical admixture.

本發明之該碳化矽用以取代傳統砂漿中的天然砂，相較於天然砂，該碳化矽具有極高的硬度(莫氏硬度約為9.5)，且該碳化矽具有散熱快速、耐高溫、穩定性高、不易與其他元素化合等優點，因此該碳化矽可提高該砂漿硬固物之抗壓強度、耐久度及強韌度。The silicon carbide of the present invention is used to replace natural sand in traditional mortar. Compared with natural sand, the silicon carbide has extremely high hardness (Mohs hardness is about 9.5), and the silicon carbide has fast heat dissipation, high temperature resistance, It has the advantages of high stability and not easy to combine with other elements, so the silicon carbide can improve the compressive strength, durability and toughness of the hard solids of the mortar.

此外，該碳化矽之粒徑小於該膠結材，尤其是該水泥、該飛灰、該爐石粉及該碳化矽之粒徑依序遞減，因此根據堆積理論，該水泥、該飛灰、該爐石粉及該碳化矽可有效填塞孔隙，使該砂漿形成相當緻密的結構，且孔隙率低於傳統砂漿，因此添加該碳化矽可提高該砂漿之流動性、該砂漿硬固物之體積穩定性及末期強度。In addition, the particle size of the silicon carbide is smaller than that of the cementing material, especially the particle size of the cement, the fly ash, the furnace stone powder and the silicon carbide. Therefore, according to the accumulation theory, the cement, the fly ash, the furnace The stone powder and the silicon carbide can effectively fill the pores and make the mortar form a relatively dense structure, and the porosity is lower than that of the traditional mortar. Therefore, adding the silicon carbide can improve the fluidity of the mortar, the volume stability of the hard solids of the mortar and Terminal intensity.

與傳統水泥砂漿相同，本發明之該砂漿可用以粉刷牆壁、黏貼磁磚/磚塊或修補混凝土裂縫，除此之外，由於本發明之該砂漿硬固後具有良好的抗壓強度(可達12000 Psi)及耐久度，因此可用於工程領域的高低壓土壤地質改良灌漿、壁體批土、磁磚溝縫、結構補強、防火披覆或修復土木結構的瑕疵構件，亦可用於電子產品的散熱片或藝術領域的雕塑或壁面圖騰等，相較於傳統水泥砂漿，本發明之該砂漿應用性更為廣泛。Same as traditional cement mortar, the mortar of the present invention can be used for painting walls, pasting tiles/bricks or repairing concrete cracks. Besides, the mortar of the present invention has good compressive strength (up to 12000 Psi) and durability, so it can be used for high and low pressure soil geological improvement grouting in the engineering field, wall soiling, tile trench joints, structural reinforcement, fire protection coating or repairing defective components of civil structures, and can also be used for electronic products Compared with traditional cement mortar, the application of the mortar of the present invention is more extensive for heat sinks or sculptures or wall totems in the art field.

本發明之保護範圍當視後附之申請專利範圍所界定者為準，任何熟知此項技藝者，在不脫離本發明之精神和範圍內所作之任何變化與修改，均屬於本發明之保護範圍。The scope of protection of the present invention shall be subject to the scope of the attached patent application. Anyone who is familiar with the art and makes any changes and modifications without departing from the spirit and scope of the present invention shall fall within the scope of protection of the present invention. .

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Claims (12)

一種砂漿組成物，其包含20-65 wt%的一膠結材及35-80 wt%的一碳化矽，其中該膠結材包含一水泥、一飛灰及一爐石粉。A mortar composition comprising 20-65 wt% of a cement and 35-80 wt% of silicon carbide, wherein the cement includes a cement, a fly ash and a furnace stone powder. 如申請專利範圍第1項所述之砂漿組成物，其中該水泥佔該砂漿組成物總重之10-25 wt%，該飛灰佔該砂漿組成物總重之5-20 wt%，該爐石粉佔該砂漿組成物總重之5-20 wt%。For the mortar composition described in item 1 of the scope of patent application, the cement accounts for 10-25 wt% of the total weight of the mortar composition, and the fly ash accounts for 5-20 wt% of the total weight of the mortar composition. Stone powder accounts for 5-20 wt% of the total weight of the mortar composition. 如申請專利範圍第2項所述之砂漿組成物，其中該碳化矽佔該砂漿組成物總重之40-74 wt%。The mortar composition described in item 2 of the scope of patent application, wherein the silicon carbide accounts for 40-74 wt% of the total weight of the mortar composition. 如申請專利範圍第1項所述之砂漿組成物，其中該碳化矽之細度大於該膠結材之細度。The mortar composition described in item 1 of the scope of patent application, wherein the fineness of the silicon carbide is greater than the fineness of the cementing material. 如申請專利範圍第4項所述之砂漿組成物，其中該碳化矽之細度介於6000-10000 cm 2/g之間。 The mortar composition described in item 4 of the scope of patent application, wherein the fineness of the silicon carbide is between 6000-10000 cm 2 /g. 一種砂漿，其包含如申請專利範圍第1至5項中任一項所述之砂漿組成物及一水。A mortar comprising the mortar composition described in any one of items 1 to 5 in the scope of patent application and a water. 如申請專利範圍第6項所述之砂漿，其中該砂漿組成物佔該砂漿總重之48-85 wt%。The mortar described in item 6 of the scope of patent application, wherein the mortar composition accounts for 48-85% by weight of the total weight of the mortar. 如申請專利範圍第7項所述之砂漿，其中該砂漿組成物之該膠結材佔該砂漿總重之18-35 wt%，該砂漿組成物之該碳化矽佔該砂漿總重之30-50 wt%。The mortar described in item 7 of the scope of patent application, wherein the cementing material of the mortar composition accounts for 18-35 wt% of the total weight of the mortar, and the silicon carbide of the mortar composition accounts for 30-50 wt% of the total weight of the mortar wt%. 如申請專利範圍第8項所述之砂漿，其中該膠結材之該水泥佔該砂漿總重之8-15 wt%，該膠結材之該飛灰佔該砂漿總重之5-10 wt%，該膠結材之該爐石粉佔該砂漿總重之5-10 wt%。For the mortar described in item 8 of the scope of patent application, the cement of the cementing material accounts for 8-15 wt% of the total weight of the mortar, and the fly ash of the cementing material accounts for 5-10 wt% of the total weight of the mortar, The furnace stone powder of the cement material accounts for 5-10 wt% of the total weight of the mortar. 如申請專利範圍第7項所述之砂漿，其中該水佔該砂漿總重之8-15 wt%。In the mortar described in item 7 of the scope of patent application, the water accounts for 8-15 wt% of the total weight of the mortar. 如申請專利範圍第10項所述之砂漿，其另包含不大於0.35 wt%的一化學摻料。The mortar described in item 10 of the scope of the patent application further contains a chemical admixture of not more than 0.35 wt%. 一種砂漿硬固物，其由如申請專利範圍第6項所述之砂漿硬固而成。A hard mortar made of the mortar described in item 6 of the scope of patent application.
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