TWI730270B - Foamed floating structure material and manufacturing method thereof - Google Patents

Abstract

A foamed floating body structural material and a manufacturing method thereof, comprising: mixing water for providing slurry mixing and hydration of the foamed floating body structural material; the first epoxy resin and the second epoxy resin are A polymer-based material composed of water-based epoxy resin, mixed with mixing water to be used as a bonding material for the foamed floating structure material; cement, which is a cement-based material; foaming agent, used to provide a foamed floating body Additives that produce chemical foaming behavior during the manufacture of structural materials; foam stabilizers, used to provide additives that generate bubbles during the manufacture of foamed floating body structural materials and improve the stability of the fresh mix; and enhancers, used to provide foamed floating bodies Additives that enhance the strength of the material during the manufacture of structural materials; among them, mix the mixing water, the first epoxy resin, the second epoxy resin, cement, foaming agent, foam stabilizer and reinforcing agent in a predetermined ratio, and make appropriate Stir to make a foamed floating structure material.

Description

Foamed floating body structure material and manufacturing method thereof

The invention relates to a foamed floating body structural material, and particularly relates to a composite-based foamed floating body structural material produced by combining a polymer-based material and a cement-based material and a manufacturing method thereof.

With the impact of global warming, extreme climate changes and flooding of wind and rain have become the norm. Low-lying areas will face rising sea levels and land being submerged. If foaming floating structure materials can be used to build floating structures in areas prone to flooding, A feasible solution, and because of the good properties of the material itself, it can be applied to functional materials such as heat insulation, sound insulation and lightweight structure in construction projects. Among traditional floating materials, polymer-based floating materials have poor durability and poor compatibility with cement materials due to their special structure mechanism, which affects the application scope and maintenance costs of the materials. Cement-based floating materials are Due to insufficient strength, its application range is limited.

Traditional floating materials such as encapsulated low-density liquids, foamed plastics, foamed glass, foamed aluminum, metal lithium, wood, etc., are widely used because of their good properties, but there are some defects in the traditional material mechanism. The encapsulated low-density liquid is easy to leak, causing pollution of the sea and water quality; foam-related materials and wood cannot meet the application requirements due to their low strength; although metal lithium has high strength, it will react with water and affect the material properties, and The cost is quite expensive, and the current floating material is the most common polymer based material, but the material has poor durability and poor compatibility with cement.

The present invention provides a foamed floating body structural material and a manufacturing method thereof. The purpose is to overcome the problems and defects of the material itself, and to develop a foamed floating body structural material with good compatibility with concrete, good strength, and low density. The multi-functional properties of the material itself will be able to sustainably develop in an environment of severe global warming.

The foamed floating body structural material of the present invention includes: a mixing water for providing slurry mixing and hydration of the foamed floating body structural material; a first epoxy resin, which is composed of water-based epoxy resin A first polymer-based material, mixed with the mixing water for stirring, is used as the bonding material of the foamed floating body structure material; a second epoxy resin is a second high polymer composed of water-based epoxy resin A molecular-based material, mixed with the mixing water for stirring, is used as a bonding material for the foamed floating body structure material; a cement is a cement-based material; a foaming agent is used to provide the foamed floating body structure Additives that produce chemical foaming behavior when the material is manufactured; a foam stabilizer, which is used to provide an additive that generates bubbles during the manufacturing of the foamed floating structure material and improves the stability of the fresh mix; and a reinforcing agent to provide the foam Additives for enhancing the strength of the foam structure material during the manufacture; wherein, the mixing water, the first epoxy resin, the second epoxy resin, the cement, the foaming agent, the foam stabilizer and the The reinforcing agent is mixed in a predetermined ratio and appropriately stirred to make the foamed floating structure material.

In an embodiment of the present invention, the aforementioned foamed floating body structure material is a composite-based material produced by combining the first polymer-based material, the second polymer-based material and the cement-based material.

In an embodiment of the present invention, the weight percentage of the above-mentioned mixing water is between 20% and 26.7%, the weight percentage of the first epoxy resin is 7.5%, and the weight percentage of the second epoxy resin is 7.5% The weight percentage of the cement is 53.3%, the weight percentage of the foaming agent is between 0% and 3%, the weight percentage of the foam stabilizer is between 0% and 20%, and the weight percentage of the reinforcing agent is between 0% To 1%, the weight percentage of the mixing water, the first epoxy resin, the second epoxy resin, the cement, the foaming agent, the foam stabilizer and the reinforcing agent is based on the foamed floating structure material The total weight is the benchmark.

In an embodiment of the present invention, the specific gravity of the mixing water increases or decreases according to the mixing environment.

In an embodiment of the present invention, the specific gravity of the foaming agent is selected according to the design target of strength and density in an appropriate interval.

In an embodiment of the present invention, the specific gravity of the foam stabilizer selects an appropriate interval dosage according to the design target of strength and density.

In an embodiment of the present invention, the specific gravity of the enhancer is selected in an appropriate range according to the strength design target.

The present invention also provides a method for manufacturing a foamed floating structure material. The steps include: performing a mixing procedure, including mixing the mixing water, the first epoxy resin, the second epoxy resin, and the cement into a ring Oxygen cement slurry; then add the epoxy cement slurry after stirring the foam stabilizer, and continue to stir to produce a mixed foam stabilizer slurry; and add the reinforcing agent to the mixed foam stabilizer slurry before proceeding Stirring produces a reinforced foam stabilized slurry; and by adding the foaming agent to the reinforced foam stabilized slurry, stirring is performed to produce the foamed floating structure material.

In an embodiment of the present invention, the above-mentioned second epoxy resin is fully mixed with the same amount of the mixing water at a rotation speed of 500 revolutions per minute to produce an emulsified second epoxy resin, and the second epoxy resin is added to the second epoxy resin. The step of stirring an epoxy resin at the same rotation speed to produce an emulsified epoxy resin further includes: adding the emulsified epoxy resin to the cement for stirring.

In an embodiment of the present invention, the step of adding the epoxy cement slurry after stirring the foam stabilizer to produce a mixed foam stabilizer slurry further includes: The agent is stirred at a speed of 1000 revolutions per minute to produce a white foam stabilizer filled with tiny bubbles, add the epoxy cement slurry, and continue to stir to produce the mixed foam stabilizer slurry.

In an embodiment of the present invention, the step of adding the epoxy cement slurry after stirring the foam stabilizer to produce a mixed foam stabilizer slurry further includes: The epoxy cement slurry is added after the agent is stirred, and the stirring is continued at a speed of 500 revolutions per minute to produce the mixed and stable foam slurry.

In an embodiment of the present invention, the step of adding the foaming agent to the reinforced foam stabilizer slurry and then stirring to produce the foamed floating structure material further includes: adding the foaming agent After the reinforced foam stabilized slurry is continuously stirred at a rotation speed of 1000 revolutions per minute, the foamed floating structure material is produced.

In an embodiment of the present invention, the above-mentioned step of adding the foaming agent to the reinforced foam stabilizer slurry and then stirring to produce the foamed floating structure material The method further includes: adding the foaming agent to the reinforced foam-stabilizing slurry and then stirring for 20 seconds to 1 minute to produce the foamed floating structure material.

The effect of the present invention is to develop a foamed floating structure material that has good compatibility with concrete, good strength, and low density, and has light weight and medium-to-high strength. With the multi-functional properties of the material itself, it will be able to achieve severe global warming Sustainable development in the environment.

100: Foamed floating structure material

110: mixed water

120: The first epoxy resin

130: second epoxy resin

140: Cement

150: enhancer

160: Foam stabilizer

170: blowing agent

S210~S240: Step flow

310: Test group with a large expected compressive strength target

320: Test group with small expected density target

330: Target test group considering both intensity and density

Fig. 1 is a schematic view of mixing an embodiment of a foamed floating structure material according to the present invention.

Fig. 2 is a manufacturing flow chart of an embodiment of a method for manufacturing a foamed floating body structure material according to the present invention.

Fig. 3 is a graph showing the cumulative percentage of pores of an embodiment of the foamed floating structure material according to the present invention.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific examples are given in conjunction with the accompanying drawings to describe in detail as follows.

Fig. 1 is a schematic view of mixing an embodiment of a foamed floating structure material according to the present invention. In FIG. 1, the foamed floating body structure material 100 includes a mixing water 110 to provide slurry mixing and hydration of the foamed floating body structure material 100; a first epoxy resin 120 is water-based A first polymer-based material composed of epoxy resin is mixed with the mixing water 110 and stirred to serve as a bonding material for the foamed floating structure material 100; a second epoxy resin 130 is an aqueous ring A second polymer-based material composed of oxygen resin is mixed with the mixing water 110 and stirred to serve as the bonding material of the foamed floating structure material 100; a cement 140 is a cement-based material; a foam A foaming agent 170 is used to provide additives that produce chemical foaming behavior when the foamed floating structure material 100 is manufactured; a foam stabilizer 160 is used to provide bubbles generated during the manufacturing of the foamed floating body structure material 100 and improve the fresh mixing Stability additives; and an intensifier 150 for providing an additive for improving the strength of the foamed floating structure material 100 during manufacturing; wherein, the mixing water 110, the first epoxy resin 120, and the first epoxy resin 120 Two epoxy resin 130, The cement 140, the foaming agent 170, the foam stabilizer 160, and the reinforcing agent 150 are mixed in a predetermined ratio and appropriately stirred to form the foamed floating structure material 100.

In this embodiment, the foamed floating structure material is stirred 100 through the second epoxy resin 130 and the same amount of mixing water 110, and after the material is emulsified, the first epoxy resin 120 is added for mixing. Produce milky white emulsified epoxy resin. After fully mixing the remaining mixing water 110, cement 140 and emulsified epoxy resin, it becomes epoxy cement paste, and the foam stabilizer 160 is stirred at high speed to fully disperse it to become white and After the interior is filled with a large number of tiny bubbles, stir thoroughly with epoxy cement paste, and add foam stabilizer 160 and enhancer 150 in sequence.

In this embodiment, the foamed floating structure material is a composite base material produced by combining the first polymer-based material, the second polymer-based material, and the cement-based material.

In this embodiment, the weight percentage of the mixing water is between 20% and 26.7%, the weight percentage of the first epoxy resin is 7.5%, the weight percentage of the second epoxy resin is 7.5%, and the weight percentage of the cement The weight percentage is 53.3%, the weight percentage of the foaming agent is between 0% and 3%, the weight percentage of the foam stabilizer is between 0% and 20%, and the weight percentage of the reinforcing agent is between 0% and 1%, The weight percentages of the mixing water, the first epoxy resin, the second epoxy resin, the cement, the foaming agent, the foam stabilizer and the reinforcing agent are based on the total weight of the foamed floating structure material Benchmark.

Fig. 2 is a manufacturing flow chart of an embodiment of a method for manufacturing a foamed floating body structure material according to the present invention, and the steps are as follows:

Step S210: Perform a mixing procedure, including mixing the mixing water, the first epoxy resin, the second epoxy resin, and the cement into epoxy cement paste.

Step S220: After mixing the foam stabilizer, add the epoxy cement slurry, and continue to stir to produce a mixed foam stabilizer slurry.

Step S230: by adding a reinforcing agent to the mixing and stabilizing slurry and then stirring, a reinforced stabilizing slurry is generated.

Step S240: by adding a foaming agent to the reinforced foam-stabilizing slurry and then stirring, a foamed floating structure material is generated.

In this embodiment, the second epoxy resin is fully mixed with the same amount of the mixing water at a speed of 500 revolutions per minute to produce an emulsified second epoxy resin, and the first epoxy resin is added to Stir at the same speed to produce an emulsified epoxy resin.

In this embodiment, the emulsified epoxy resin is added to the cement for stirring.

In this embodiment, by stirring the foam stabilizer at a rotation speed of 1000 revolutions per minute, a white foam stabilizer filled with tiny bubbles is generated, then the epoxy cement slurry is added, and the mixture is continuously stirred. Stable foam slurry.

In this embodiment, the foam stabilizer is stirred and then added to the epoxy cement slurry, and the stirring is continued at a speed of 500 revolutions per minute to produce the mixed foam stabilizer slurry.

In this embodiment, the foamed floating structure material is produced by adding the foaming agent to the reinforced foam stabilizer slurry and then continuously stirring at a rotation speed of 1000 revolutions per minute.

In this embodiment, the foamed floating body structure material is produced by adding the foaming agent to the reinforced foam stabilizer slurry and then stirring for 20 seconds to 1 minute.

Figure 3 is a graph of the cumulative percentage of pores in an embodiment of the foamed floating structure material according to the present invention. The description is as follows: Figure 3: After testing according to the experimental design, the orthogonal regression design is carried out with 3 factors and 3 levels, and the strength and density prediction formulas are obtained , The future ratio design can be designed according to the formula, in the regression formula, z1: foaming agent addition ratio (%), z2 foam stabilizer addition ratio (%), z3 reinforcing agent addition ratio (%), Ys=strength (kgf) /cm2), Yg=density (g/cm3) characteristic index result.

Among them, the strength characteristic formula is Y _s =376.7-241.8z ₁ -54.5z ₂ -134.2z ₃ +22.7z ₁ z ₂ +292.8z ₁ z ₃ +7.2z ₂ z ₃ -21.7z ₁ ² +2.3z ₂ ² -100.2z ₃ ² ; where the density characteristic formula is Y _s =2.034-0.820z ₁ -0.124z ₂ -0.605z ₃ +0.064z ₁ z ₂ +0.804z ₁ z ₃ +0.019z ₂ z ₃ -0.034z ₁ ² +0.003z ₂ ² -0.131z ₃ ² ; Among them, the comprehensive characteristic formula is Y=AY _s- BY _g , Y= is the comprehensive characteristic result, take the maximum value, A=strength weight (0.0~1.0), B=density Power (0.0~1.0).

According to the regression formulas of Yg, Ys, and Y, the expected compressive strength of the test group 310 (Smax) is predicted, where the strength weight is 1.0 and the expected density of the test group 320 (Dmin), where the density weight is 1.0, and at the same time The target test group 330 (SD) that considers strength and density, in which the strength and density weights are each 0.5, and the pore accumulation percentage diagram is generated according to the pore molding state of the concrete 5*5*5 cm sample, where the horizontal axis is the pore size 340, the vertical axis is the cumulative ratio of pore diameters of 350.

To sum up, the present invention can use the composite base structure method to combine the properties of the polymer base and the cement base. Through the action of the foaming agent and the foam stabilizer, the density of the material can be effectively reduced, and the effect of the reinforcing agent can be used. The material can still have the effect of strength development under the porous characteristics, and it can still maintain the characteristics of medium and high strength when the density is reduced, so that it can meet the needs of engineering use, and effectively improve the existing defects and performance of the material.

Although the present invention is disclosed in the foregoing embodiments as above, it is not intended to limit the present invention. Anyone who is familiar with similar skills, without departing from the spirit and scope of the present invention, makes changes and modifications equivalent to replacements, still belongs to the present invention. Within the scope of patent protection.

100: Foamed floating structure material

110: mixed water

120: The first epoxy resin

130: second epoxy resin

140: Cement

150: enhancer

160: Foam stabilizer

170: blowing agent

Claims (3)

A foamed floating body structural material, comprising: a mixing water for providing slurry mixing and hydration of the foamed floating body structural material; a first epoxy resin, which is composed of a water-based epoxy resin The first polymer-based material is mixed with the mixing water and stirred to serve as the bonding material of the foamed floating body structure material; a second epoxy resin is a second polymer composed of water-based epoxy resin The base material is mixed with the mixing water and stirred to serve as the bonding material of the foamed floating body structure material; a cement is a cement-based material; a foaming agent is used to provide the foamed floating body structure material An additive that produces chemical foaming behavior during manufacturing; a foam stabilizer to provide an additive that generates bubbles during the manufacturing of the foamed floating structure material and improves the stability of the fresh mix; and an enhancer to provide the foaming The additive for enhancing the strength of the material during the manufacture of the floating structure material; wherein, the mixing water, the first epoxy resin, the second epoxy resin, the cement, the foaming agent, the foam stabilizer and the reinforcement The agent is mixed in a predetermined ratio and appropriately stirred to form the foamed floating structure material; wherein the weight percentage of the mixing water is between 20% and 26.7%, and the weight percentage of the first epoxy resin is 7.5%, the weight percentage of the second epoxy resin is 7.5%, the weight percentage of the cement is 53.3%, the weight percentage of the foaming agent is between 0% and 3%, and the weight percentage of the foam stabilizer is between 0 % To 20% and the weight percentage of the reinforcing agent is between 0% and 1%, the mixing water, the first epoxy resin, the second epoxy resin, the cement, the foaming agent, the foam stabilizer The weight percentage of the reinforcing agent is based on the total weight of the foamed floating structure material; wherein, the second epoxy resin is fully mixed with the same amount of the mixing water at a speed of 500 revolutions per minute to produce A second epoxy resin is emulsified, and the first The epoxy resin is stirred at the same speed to produce an emulsified epoxy resin; the emulsified epoxy resin is added to the cement and the remaining mixing water for stirring to produce an epoxy cement paste; wherein, the foam stabilizer Stir at 1000 revolutions per minute to produce a white foam stabilizer filled with tiny bubbles, add the epoxy cement slurry, and continue to stir at 500 revolutions per minute to produce a mixed foam stabilizer slurry ; Among them, the enhancer is added to the mixing and stable foam slurry and then stirred to produce a reinforced foam stable slurry, the foaming agent is added to the reinforced foam stable slurry after continuing to stir at 1000 revolutions per minute From 20 seconds to 1 minute, the foamed floating structure material is produced. The foamed floating body structure material according to item 1 of the scope of patent application, wherein the foamed floating body structure material is a combination of the first polymer-based material, the second polymer-based material, and the cement-based material. Composite base material. A method for manufacturing a foamed floating body structure material includes: performing a mixing process, including mixing a mixing water, a first epoxy resin, a second epoxy resin, and a cement into an epoxy cement paste; Stir a foam stabilizer at a speed of 1000 revolutions per minute to produce a white foam stabilizer filled with tiny bubbles, add the epoxy cement slurry, and continue to stir at a speed of 500 revolutions per minute to produce a mix Stable foam slurry; add a reinforcing agent to the mixed foam stabilized slurry and then stir to produce a strengthened foam stabilized slurry; and by adding a foaming agent to the strengthened foam stabilized slurry, it will continue every minute Stirring at a speed of 1000 revolutions for 20 seconds to 1 minute produces the foamed floating structure material; wherein the mixing procedure further includes the second epoxy resin and the same amount of the mixing water at a speed of 500 revolutions per minute Fully mix to produce an emulsified second epoxy resin, and add the first epoxy resin and stir at the same speed to produce an emulsified epoxy resin; after adding the emulsified epoxy resin to the cement for stirring, the epoxy resin is produced Cement paste.

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