WO2010015129A1

WO2010015129A1 - Curing agent, polymeric compound and method therrof

Info

Publication number: WO2010015129A1
Application number: PCT/CN2008/072056
Authority: WO
Inventors: 胡中波; 任颉; 黄小康
Original assignee: 北京赛力格科技发展有限公司
Priority date: 2008-08-04
Filing date: 2008-08-20
Publication date: 2010-02-11
Also published as: CN101328031A

Abstract

The present invention provides a curing agent. The curing agent has excellent versatility, and can be used for polymerizing materials or binding and solidifying materials so as to form structural members or protective layers, which characterized by containing a first group of materials and a second group of materials. The first group of materials comprises one or more of oxides or hydroxides. The second group of materials comprises one or more of acids containing phosphorus or salts containing phosphorus. The present invention further provides a method of producing the curing agent, a method of curing a polymeric compound, and the polymeric compound.

Description

Curing agent and polymer and method

Technical field

This invention relates to materials polymerization or material bonding techniques, particularly curing agents and polymers and methods. Background technique

In various construction projects, the material needs to be bonded and cured to form a structural member or a protective layer. Although the existing adhesive curing technology includes cement concrete technology, stone forming technology, organic rubber bonding technology, etc., it can meet the needs of various engineering constructions, but these technologies are inevitably, directly or indirectly given to the environment. This has caused increasing pollution or damage, or the technology itself has its limitations.

Therefore, the development of a versatile and environmentally friendly curing agent for material polymerization or material bonding is an important issue for researchers and engineers. Undoubtedly, such a curing agent will strongly promote the process of recycling, recycling and recycling of industrial waste slag, and provide green structural components or protective layers for various construction projects.

In view of this, the inventors obtained the curing agent of the present invention by testing an inorganic chemical process in which a phosphorus-containing acid or a phosphorus-containing salt is mixed with an oxide or a hydroxide. Summary of the invention

The present invention is directed to a defect or deficiency existing in the prior art, and provides a curing agent which is versatile and can be used for material polymerization or adhesive curing of a material to form a structural member or a protective layer.

The invention also provides a preparation method of a curing agent, which is advantageous for obtaining a curing agent with good versatility. The present invention also provides a method for curing a polymer, which can promote the process of recycling domestic and industrial waste slag and its recycling, and provide green and environmentally-friendly structural parts for various construction projects. Of course, the above-mentioned curing agent can be used to form a road surface by polymerizing sandstone, mud, or the like of a road.

The invention also provides polymers.

The technical solution of the present invention is as follows:

a curing agent, comprising: a first group of materials and a second group of materials, the first group of materials comprising one or more than one of the following materials: various oxides, various hydroxides; The material comprises one or more than one of the following: various phosphorus-containing acids, various phosphorus-containing salts.

The oxide is a metal oxide. The hydroxide is a metal hydroxide.

The phosphorus-containing acid is phosphoric acid, high phosphoric acid or hypophosphorous acid.

The phosphorus-containing salt is a phosphate, a high phosphate or a hypophosphite.

The first group of materials is in the form of a powder, the second group of materials is a phosphorus-containing salt, the phosphorus-containing salt is in the form of a powder, and the two types of powders are mixed into a powder type curing agent.

The powder type curing agent initiates a chemical curing reaction by adding water to form a slurry.

The first group of materials is mixed with the second group of materials, and the slurry is adjusted by adding water or using moisture contained in the phosphorus-containing acid.

Also included is one or more combinations of the following materials: Various weak acids.

The weak acid is boric acid or oxalic acid.

Also included is one or more than one of the following materials: Various architectural pigments.

Also included are one or more combinations of the following materials: Various fibers.

The weight ratio of the first group of materials to the second group of materials is 1: (0. 2~9. 5).

The weight ratio of the first group of materials to the second group of materials is 1: (0. 5~3. 5).

The weight ratio of the first group of materials to the second group of materials is 1: (0. 75~1. 5). The method for preparing a curing agent, comprising: a first group of materials and a second group of materials, the first group of materials comprising one or more than one of the following materials: various oxides, various hydroxides; The second group of materials comprises one or more than one of the following: various phosphorus-containing acids, various phosphorus-containing salts; the first group of materials in powder form, and the powder in the second group of materials a phosphorus-containing salt, and mixing the two types of powder into a powder type curing agent; or, mixing the first group of materials with the second group of materials, by adding water or utilizing moisture contained in the phosphorus-containing acid Slurry.

Also included is one or more combinations of the following materials: Various weak acids. A method for curing a polymer, characterized in that: the above curing agent is mixed with other substances to form a polymer slurry; after the polymer slurry is cured, a polymer product is obtained.

The polymer slurry has a water to weight ratio of 3 to 60%.

The other substance includes one or a combination of more than one of the following: various solids.

The solids include sand, earth, household waste slag and/or industrial waste slag. The polymer, including a curing agent and a material to be cured, is characterized in that: the curing agent is the above curing agent. The technical effects of the present invention are as follows:

The curing agent, polymer and method of the present invention solve the practical problem of polymerization curing of various substances. The curing agent is a versatile and environmentally friendly curing agent for material polymerization or material bonding, and its wide application will strongly promote the treatment of domestic and industrial waste slag and its recycling. Process, thus providing green structural components or protective layers for various construction projects. Of course, it is possible to form a road surface by using the above-mentioned curing agent to aggregate or solidify the sand or mud of the road.

The invention has the characteristics of local resources for the treatment of domestic and industrial waste slag. detailed description

This invention relates to materials polymerization or material bonding techniques, particularly curing agents and polymers and methods. The curing agent comprises a first group of materials and a second group of materials, and the first group of materials comprises one or more than one of the following materials: various oxides, various hydroxides; One or more combinations of the following materials: various phosphorus-containing acids, various phosphorus-containing salts. The curing agent may further comprise one or a combination of more than one of the following: various weak acids such as boric acid or oxalic acid. The weak acid forms a mixture with the first group of materials, and the weight ratio of the weak acid in the mixture is from 0 to 10%. The curing agent may further comprise one or more than one of the following materials: various architectural pigments. The curing agent may further comprise one or more than one of the following materials: various fibers. The oxide may be a basic oxide. The oxide may be a metal oxide. The hydroxide may be a metal hydroxide. The phosphorus-containing acid may be phosphoric acid, high phosphoric acid or hypophosphorous acid. The phosphorus-containing salt may be a phosphate, a high phosphate or a hypophosphite. The first group of materials is in the form of a powder, the second group of materials is a phosphorus-containing salt, the phosphorus-containing salt is in the form of a powder, and the two types of powders are mixed into a powder type curing agent. The powder type curing agent initiates a chemical curing reaction by adding water to form a slurry. The curing agent can also be directly prepared into a slurry for on-site use, that is, mixing the first group of materials with the second group of materials, and adjusting the slurry by adding water or using water contained in the phosphorus-containing acid. . The weight ratio of the first group of materials to the second group of materials is 1: (0. 2~9. 5), or 1: (0. 5~3. 5), or 1: (0. 75~1. 5), for example: 1 : 1, 1: 0. 8, 1 : 6, 1 : 9, 1: 0. 3, 1 : 3, 1: 1. 3, 1: 5 and so on.

The preparation method of the curing agent comprises a first group of materials and a second group of materials, and the first group of materials comprises one or more than one of the following materials: various oxides, various hydroxides; The group material comprises one or more than one of the following materials: various phosphorus-containing acids, various phosphorus-containing salts; the first group of materials in powder form, and the powdered phosphorus in the second group of materials a salt, and mixing the two types of powder into a powder type curing agent; or, the first group The material is mixed with the second group of materials, and the slurry is adjusted by adding water or using water contained in the phosphorus-containing acid. The preparation method of the curing agent further includes one or more combinations of the following materials: various weak acids; the weak acid is mixed with the first group of materials, and then mixed with the second group of materials; or the weak acid After mixing with the second group of materials, it is mixed with the first group of materials.

The curing method of the polymer, the above curing agent is stirred with other substances to form a polymer slurry; after the polymer slurry is solidified, a polymer product is obtained. The polymer slurry has a water-to-weight ratio of 3 to 60%, and may also be selected from 5 to 40%. The specific selection also includes: 10 to 50%, etc., for example: 5%, 8%, 20%, 30%, 58%, and so on. The other substance includes one or a combination of the following: various solids. The solids include sand, earth, living waste slag or industrial waste slag. For example: industrial waste slag such as fly ash, coal gangue, metallurgical slag, construction waste. For example: ore waste, metal scrap, wood chips, waste glass, used tires, etc. Of course, the above-mentioned curing agent can be used to form a road surface by polymerizing sandstone, mud, or the like of a road. The invention has the characteristics of in situ resource utilization for the treatment of living and industrial waste slag.

The oxide may be an oxide of a metal belonging to the first, second, third, and fourth main groups of the periodic table, and an oxide of a fourth, fifth, and sixth periodic transition metal. The hydroxide may be a hydroxide of the first, second, third, and fourth main metals in the periodic table, and a hydroxide of the fourth, fifth, and sixth periodic transition metals.

The powder preparation can be carried out by means of pulverization and/or ball milling.

The polymer can be prepared by mixing the above-mentioned curing agent with the material to be cured.

The curing agent described in the present invention can be used for bonding almost all known materials, and has zero emission, low temperature process, no external energy supply and high bonding efficiency, and will save energy and reduce resources. It plays an important role in rate, emissions disposal and recycling. For example, the present invention will provide a superior and efficient coverage solution for the reuse of all non-hazardous waste or the disposal of all hazardous waste.

Table 1 shows the raw material compounds selected for the specific implementation:

Table 1: List of raw materials

Oxide hydroxide phosphorus-containing acid phosphorus-containing salt weak acid

Lithium oxide lithium hydroxide phosphoric acid potassium dihydrogen phosphate boric acid

Magnesium oxide magnesium hydroxide high phosphoric acid sodium dihydrogen phosphate oxalic acid

Alumina, aluminum hydroxide, hypophosphorous acid, dipotassium hydrogen phosphate, salicylic acid

Calcium oxide, calcium hydroxide, metaphosphoric acid, disodium hydrogen phosphate, tartaric acid

Iron oxide, iron hydroxide, phosphorous acid, calcium hydrogen phosphate, etc.

Pour acid dihydrogen zinc such as indium hydroxide Zirconia zirconium hydroxide potassium pyrophosphate

Titanium oxide, titanium hydroxide, ammonium dihydrogen phosphate

Vanadium oxide, vanadium hydroxide, sodium hypophosphite

Etc. etc. The scope of application of the invention:

1. In terms of building structural materials, including: high-strength structural materials, large-scale recycling of waste in construction and other industrial fields; construction products; road maintenance (including low temperature environment); sealant; fire insulation material; inorganic binder, etc. .

2. In solid waste treatment, including: treatment of contaminated solids, liquids and mud; chemical stabilization and physical solidification of any hazardous metals, low-level radioactive waste, nuclear waste; contaminated debris, metal and non-metal equipment Sequestration; Efficient recycling of waste: fly ash, ore waste, metal scrap, wood chips, waste glass, used tires, etc.

3. In oil and gas drilling, including: super-sealing agent; strip isolation layer; stability/fixation of drilling hole; transverse high-strength cement for drilling; debris, cuttings and so on.

4. In terms of bioceramics, including: ceramic materials for dental use; ceramic materials for artificial bones, etc.

5. In terms of refractory materials: fire-retardant, flame-retardant materials that can be injection molded; cast large-size crucibles and components, etc. Performance parameters of certain polymer products using the invention:

I. Density: 1. 7~2. 0g/cc, which may vary with fillers and additives.

2. Porosity: Appearance porosity is about 0, there are a very small amount of pores inside, which can cause pores.

3. Compressive strength: up to 85MPa, which can be changed with fillers and additives.

4. Bending strength: up to 12MPa, adding fiber can enhance the bending strength.

5. Section toughness: 0. 3~1, adding fiber, whisker, etc. can enhance toughness.

6. Water stability: Stable in the range of 5 to 11.

7. Thermal expansion coefficient: about 10 ° ° C, depending on the additives.

8. Flame retardancy: The curing agent is excellent in flame retardancy and has good flame retardancy even when mixed with wood chips.

9. Thermal stability: The thermal stability of the adhesive is excellent, and the thermal stability of the finished product may be affected by the additive.

10. Radiation resistance: Resistance to radiation (Beta, Gamma, neutrons, etc.) is strong.

I I. Filler type: Any solid matter, including slag or other industrial/living waste.

12. The ratio of curing agent to filler: 1 : (0. 3~20), the curing agent itself can also be used directly as a coating.

13. Water usage: The weight ratio of water in the final product is 3 to 60%, which is sensitive to the additives and their particle size. 14. Molding time: From a few minutes to a few hours, a small amount of additives (such as weak acids such as boric acid or oxalic acid) can change the molding speed.

15. Slurry viscosity before molding: The viscosity of the polymer slurry is 200 to 1000 cps, and the viscosity can be changed by adding some additives.

16. Heat production: The exothermic process, which can be cured at low temperatures, can control the exotherm by pretreatment of the additives.

17. The ra value range of the slurry: From strong acid to neutral, the ra value of the product is about 8.

18. Curing molding process: Casting, extrusion, spraying, etc. can be selected, and the composition can be adjusted according to the molding process.

19. Surface texture: From smooth to rough, depending on the mold.

20. Color: The pure curing agent is porcelain white, which can be changed by adding ceramic pigments and the like.

21. Dimensional change during solidification molding: Slightly expands and can be molded in a complex mold shape.

22. Production equipment: Concrete production equipment can be utilized, and the curing agent has a tight bond with the material to be cured. This invention relates to materials polymerization or material bonding techniques, particularly curing agents and polymers and methods. The curing agent includes one or more oxides or hydroxides and one or more phosphoric acid or phosphate salts. The method comprises the following main steps: classifying according to the characteristics of the cured product and, if necessary, performing pretreatment such as pulverization and/or ball milling; selecting and preparing a corresponding curing agent according to the characteristics of the cured product; and preparing the curing agent and The cured product is thoroughly mixed; the resulting mixture is mixed with an appropriate amount of water and stirred to prepare a slurry, and the resulting slurry is injected into a mold to be solidified. The present invention has a strong adhesion and curing ability to almost all known materials. Wherein, the curing agent raw material compound comprises a basic oxide or hydroxide, or a mixture of a plurality of basic oxides and hydroxides. Further, the curing agent raw material compound includes phosphoric acid or phosphate, or a mixture of a plurality of phosphates and phosphoric acid. Also, a basic oxide or hydroxide in a curing agent (which can also be used as a potting agent), or a mixture of a plurality of basic oxides, hydroxides and phosphoric acid or phosphate, or a plurality of phosphates and phosphoric acid The weight ratio of the mixture is 1:0. 2 to 1: 9. 5, and the specific selection also includes: 1 : (0. 5~ 3. 5), 1 : (0. 75~1. 5), etc., and The curing agent can be used for bonding and curing of almost all known materials. Further, the curing agent and the cured product initiate a chemical curing reaction by adding a certain amount of water. Also, the weight ratio of water in the final product is 5% - 40%. Also, by adding architectural pigments of different colors, a final product of the corresponding color can be prepared. Also, the mechanical properties of the final product can be improved by adding different types of fibers. Moreover, the oxides and hydroxides include, but are not limited to: oxides or hydroxides of the first, second, third, and fourth main groups of metals, oxides or hydroxides of the fourth, fifth, and sixth periodic transition metals. Things. Also, the acid or corresponding acid ion or corresponding salt includes all known types of phosphoric acid and the corresponding phosphate ion or phosphate. The phosphate or sulfate salt includes, but is not limited to, various phosphates of sodium and potassium. Also, the small amount of additives includes, but is not limited to, boric acid, oxalic acid, and the like. And, the oxide of the first, second, third, and fourth main group metals may be Li ₂ 0, MgO, A1 ₂ 0 ₃ , GaO, SiO _{2 ,} etc.; the hydroxide may be Mg (0H) ₂ , Ca (0H) ₂ , Ca (0H) ₂ , NaOH, KOH, etc.; the oxide of the fourth, fifth, and sixth-period transition metals may be Ti0 ₂ , Fe ₂ 0 ₃ , Zr0, W0 _{3 ,} etc.; The hydroxide may be Mn (0H) ₂ , Zr (0H) ₂ or the like. Further, the phosphate may be potassium dihydrogen phosphate/sodium phosphate, dipotassium hydrogen phosphate/sodium or the like. Compared with the prior invention, the invention greatly expands the applicable ratio range of the raw material compound, and the comprehensive application cost of the technology and its products makes the invention have great economic value. The continuous manufacturing process from the curing agent product to the polymer product includes the following steps:

1) first, second, third and fourth main group metal of the oxide (which may, but is not limited to _{_{1 ^ 2 0, ^^ 1 2}} 0 3, 6 £ 10,8 soil _02, etc.) or hydrogen Oxide (may be, but not limited to, Mg(0H) ₂ , Ca (0H) ₂ , Ca (0H) ₂ , NaOH, KOH, etc.); or the fourth, fifth, and sixth-period transition metal oxides However, it is not limited to being Ti0 ₂ , Fe ₂ O ₃ , ZrO, W0 _{3 ,} etc.) or a hydroxide (may be, but not limited to, Mn (0H) ₂ , Zr (OH) _{2 ,} etc.) is pretreated to be in a powder form; If necessary, it may be heat treated, i.e., heated to remove small molecule attachments.

2) adding a certain amount of boric acid or oxalic acid to the powdery material obtained by 1) to adjust the speed of the curing reaction, and the weight ratio of boric acid or oxalic acid added to the mixture formed by adding the powdery material is 0. %_10%, the resulting first mixture was uniformly mixed.

3) adding a phosphoric acid or a phosphate, or a mixture of a plurality of phosphates and phosphoric acid to the first mixture obtained in 2), the weight ratio of the first mixture to the phosphoric acid or phosphate, or a mixture of the plurality of phosphates and phosphoric acid is 1 : 0. 2 to 19. 5

4) uniformly mixing the second mixture obtained by 3),

5) Adding pretreated waste to the second mixture obtained in 4), the weight of the waste in the final product is 15% to 95%.

6) The third mixture obtained by 5) is uniformly mixed.

7) adding a certain amount of water to the third mixture obtained in 6) and uniformly mixing to form a slurry; the weight ratio of water in the final product is 5% - 40%; if the aforementioned step 3) is used For phosphoric acid, the water content in the acid should be included in the total water content.

8) The slurry obtained in 7) is injected into a plastic mold to be solidified. Other molds, such as building formwork molds, can also be used. The pretreatment of the waste in the step 5) refers to pulverizing and grinding large-sized solid waste and measuring the water content of the liquid waste, and the water content of the liquid waste should be included in the total water content. In summary, the process of the present invention can be briefly described as follows: pre-treatment according to the characteristics of the adherend and, if necessary, pulverization and/or ball milling; selecting and preparing corresponding viscosities according to the properties of the adherend Mixture; The prepared binder is thoroughly mixed with the adherend; the resulting mixture is mixed with an appropriate amount of water and stirred to prepare a slurry, and the resulting slurry is injected into a mold to be solidified.

The invention features: room temperature process, no additional energy; rapid formation of hard, dense quasi-ceramic products; finished product performance and molding process can be controlled; in most cases, the product has a slight expansion during solidification molding, thus forming a good sealing product, compact Very good.

The unique and superior properties of this technology/product make it suitable for: 1. Production of building products (such as bricks, tiles, tiles, firewall insulation panels, etc.) using non-hazardous waste; High pressure resistant structure Materials; super fire barriers that can be sprayed; cement and sealing materials for drilling; seal coatings. 2, safe packaging of hazardous waste; leak-free sealing treatment of radioactive contaminants; safe storage of hazardous mixtures and radioactive materials (liquid or solid). Example 1: Fly ash bonding

Fly ash is used as the adherend, and the above ratio of MgO and K3⁄4pc is used as the binder, and the above-mentioned binder/binder ratio is followed and a hard and dense product is prepared as described above. The appearance and performance of the product stored in air for several months remained unchanged. There was no change in appearance and performance after soaking in water for several weeks.

Example 2: Steelmaking slag bonding

Using steelmaking waste as binder, mixing the above ratio of MgO and KH ₂ P0 as a binder, following the above-mentioned ratio of binder/binder and preparing a hard and dense product as described above. . The appearance and performance of the product stored in the air for several months does not change. There was no change in appearance and performance after soaking in water for several weeks.

Example 3: Bonding of broken bricks and broken concrete

The crushed brick and the crushed concrete are used as the adherend, and the mixture of MgO and K3⁄4pc is used as the binder, and the hardened and dense product is prepared according to the foregoing ratio of the binder/binder and prepared as described above. The appearance and performance of the product stored in the air for several months does not change. There was no change in appearance and performance after soaking in water for several weeks.

Example 4: River sand bonding

The dry sand is used as the adherend, and the above ratio of MgO and K3⁄4pc is used as the binder, and the hardened and dense product is prepared as described above by following the ratio of the adherend/binder. The appearance and performance of the product stored in air for several months remained unchanged. There was no change in appearance and performance after soaking in water for several weeks.

Example 5: Soil bonding

Dry soil is used as the adherend, and MgO and ΚΗ ₂ Ρ (^ the above ratio is mixed as the binder, following the above-mentioned adherend / The ratio of binders was prepared and a hard, dense product was prepared as previously described. The appearance and performance of the product stored in the air for several months does not change. There was no change in appearance and performance after soaking in water for several weeks. The preparation method of the inorganic binder includes the following main steps:

a) A mixture of one or more oxides or hydroxides in powder form is thoroughly mixed with a small amount of weak acid. The weak acid includes, but is not limited to, boric acid or oxalic acid. The weight ratio of the weak acid in the mixture is from 0% to 10%.

b) adding one or more phosphoric acid or phosphate to a certain proportion of the first mixture obtained in a).

c) uniformly mixing the second mixture obtained in b).

d) adding one or more additives to the second mixture obtained in c) in a certain ratio. The additive may be any solid material other than plastic or rubber. Additives include, but are not limited to, fly ash, coal gangue, metallurgical slag, construction waste, and the like.

e) uniformly mixing the third mixture obtained in b).

The raw material addition order of each of the main steps is variable.

The binder can be used to bond almost all known materials. The curing process is initiated by the addition of a quantity of water which is present in the final product in a weight ratio of from 3% to 60%.

Adhesive and curing process, by adding different colors of architectural pigments, the final product of the corresponding color can be prepared. The binder and curing process improve the mechanical properties of the final product by adding different types of fibers. It should be noted that the above-described embodiments may enable those skilled in the art to more fully understand the present invention, but do not limit the invention in any way.

Claims

Claim

A curing agent, comprising: a first group of materials and a second group of materials, the first group of materials comprising one or more than one of the following materials: various oxides, various hydroxides; The two groups of materials include one or more than one of the following materials: various phosphorus-containing acids, various phosphorus-containing salts.

The curing agent according to claim 1, wherein the oxide is a metal oxide.

The curing agent according to claim 1, wherein the hydroxide is a metal hydroxide.

The curing agent according to claim 1, wherein the phosphorus-containing acid is phosphoric acid, high phosphoric acid or phosphorous

The curing agent according to claim 1, wherein the phosphorus-containing salt is a phosphate, a high phosphate or a hypophosphite.

The curing agent according to claim 1, wherein: the first group of materials is in the form of a powder, the second group of materials is a phosphorus-containing salt, and the phosphorus-containing salt is in the form of a powder, and The two types of powders are mixed into a powder type curing agent.

The curing agent according to claim 6, wherein the powder type curing agent initiates a chemical curing reaction by adding water to form a slurry.

The curing agent according to claim 1, wherein the first group of materials is mixed with the second group of materials, and the slurry is adjusted by adding water or using water contained in the phosphorus-containing acid.

The curing agent according to claim 1, further comprising a combination of one or more of the following materials: various weak acids.

The curing agent according to claim 9, wherein the weak acid is boric acid or oxalic acid.

The curing agent according to claim 1, further comprising one or more than one of the following materials: various architectural pigments.

The curing agent according to claim 1, further comprising a combination of one or more of the following materials: various fibers.

The curing agent according to claim 1, wherein the weight ratio of the first group of materials to the second group of materials is 1: (0.5 5 to 3.5).

The curing agent according to claim 1, wherein the weight ratio of the first group of materials to the second group of materials is 1: (0·75~1·5).

16. A method of preparing a curing agent, comprising: a first group of materials and a second group of materials, the first group of materials comprising one or more than one of the following: various oxides, various hydroxides The second group of materials includes one or more than one of the following materials: various phosphorus-containing acids, various phosphorus-containing salts; the first group of materials in powder form, and the powder in the second group of materials a phosphorus-containing salt, and mixing the two types of powder into a powder type curing agent; or, mixing the first group of materials with the second group of materials, by adding water or using phosphorus-containing acid The water is adjusted into a slurry.

The method of preparing a curing agent according to claim 16, further comprising: a combination of one or more of the following materials: various weak acids.

A method of curing a polymer, characterized by: agitating the curing agent according to any one of claims 1 to 15 with another substance to form a polymer slurry; and after the polymer slurry is solidified, a polymer product is obtained.

The method of curing a polymer according to claim 18, wherein the polymer slurry has a water-containing weight ratio of from 3 to 60%.

The method of curing a polymer according to claim 18, wherein the other substance comprises one or more than one of the following: various solid materials.

The method of curing a polymer according to claim 20, wherein the solid matter comprises sand, earth, domestic waste slag, and/or industrial waste slag.

22. A polymer comprising a curing agent and a material to be cured, characterized in that: the curing agent is the curing agent according to claims 1-15.