Putty powder and application of distillers grains in putty powder

Abstract

Putty powder and an application of distillers grains in putty powder. The putty powder comprises the following raw materials in parts by weight: 50-70 parts of dolomite powder, 6-15 parts of calcined gypsum, 3-20 parts of modified distillers grains, 0.5-1.5 parts of redispersible latex powder, 0.5-3 parts of pregelatinized starch, 3-8 parts of bentonite clay, and 0.4-0.8 parts of a cellulose ether, wherein the modified distillers grains are distillers grains modified with a surface modifier. The putty powder exhibits a suitable setting time, high bonding strength, and antibacterial properties; and the putty powder is green and environmentally friendly.

Description

Putty powder and application of vinasse in putty powder

[0001] The present application claims priority to the Chinese patent application No. CN202510061194.4, filed on January 14, 2025, and entitled "A putty powder and application of vinasse in putty powder", the content of which should be understood as incorporated herein by reference. TECHNICAL FIELD

[0002] The present application / invention relates to the technical field of building materials, in particular to an environment-friendly antibacterial enhanced putty and application of vinasse in putty powder. BACKGROUND

[0003] Baijiu is the national liquor of China, with a history of thousands of years. The annual output of Baijiu has reached more than 6 million tons (t), and about 3-4 t of vinasse is produced for every 1 t of Baijiu. The vinasse in China is mainly used as feed, soil improvement and direct combustion, with very limited utilization.

[0004] During the distillation process, only volatile components are removed, so there are still many non-volatile components in the vinasse, including fibers, proteins, amino acids, polyphenols, flavonoids and the like. Resource utilization of vinasse is of great significance for reducing carbon emissions, maintaining ecological environment balance and health.

[0005] Putty is a decorative material used to smooth the surface of walls and fill in defects, and is an essential product before painting. In humid weather, the wall surface is prone to moisture, and bacteria will grow after a long time. With the improvement of people's living quality, the requirement for home environment is also getting higher and higher.

[0006] Therefore, it is necessary to develop a putty powder with antibacterial function. SUMMARY

[0007] The following is a summary of the subject matter of the detailed description. This summary is not intended to limit the scope of protection of the present application.

[0008] The present application provides a putty powder, the raw materials of the putty powder, by weight, including: 50-70 parts of dolomite powder, 6-15 parts of gypsum clinker, 3-20 parts of modified vinasse, 0.5-1.5 parts of redispersible latex powder, 0.5-3 parts of pregelatinized starch, 3-8 parts of bentonite and 0.4-0.8 parts of cellulose ether, wherein the modified vinasse is vinasse modified by a surface modifier.

[0009] The present application also provides an application of vinasse in putty powder, wherein the vinasse is modified by a surface modifier.

[0010] Other aspects can become apparent from reading the detailed description.

[0011] DETAILED DESCRIPTION

[0012] The present application aims to provide a putty powder with appropriate setting time, high bonding strength, antibacterial performance and green environmental protection.

[0013] The present application provides a putty powder, raw materials of the putty powder comprise, by weight fraction, 50-70 parts of dolomite powder, 6-15 parts of gypsum clinker, 3-20 parts of modified wine lees, 0.5-1.5 parts of redispersible latex powder, 0.5-3 parts of pregelatinized starch, 3-8 parts of bentonite and 0.4-0.8 parts of cellulose ether, wherein the modified wine lees is wine lees modified by a surface modifier.

[0014] In an exemplary embodiment, in addition to the above-mentioned raw materials, the raw materials of the putty powder can also contain other additives known in the art.

[0015] In an exemplary embodiment, the raw materials of the putty powder comprise, by weight fraction, 50-70 parts of dolomite powder, 6-15 parts of gypsum clinker, 3-20 parts of modified wine lees, 0.5-1.5 parts of redispersible latex powder, 0.5-3 parts of pregelatinized starch, 3-8 parts of bentonite and 0.4-0.8 parts of cellulose ether.

[0016] In an exemplary embodiment, the preparation method of the modified wine lees is as follows: the wine lees is mixed with water to form a wine lees suspension, heated and stirred, a surface modifier is added and reacted, then filtered while hot, dried and sterilized by ultraviolet rays, and then ground and sieved to obtain the modified wine lees.

[0017] In an exemplary embodiment, the wine lees is one or both of white wine lees and red wine lees.

[0018] In an exemplary embodiment, the concentration of the wine lees suspension is 20wt%-30wt%.

[0019] In an exemplary embodiment, the heating temperature is 30-70℃.

[0020] In an exemplary embodiment, the amount of the surface modifier added is 2%-5% relative to the mass of the absolutely dry wine lees.

[0021] In an exemplary embodiment, the surface modifier is selected from one or more of polyethylene glycol, sodium dodecylbenzenesulfonate, sodium dodecylsulfonate and sodium dodecylsulfate.

[0022] In an exemplary embodiment, the reaction time for adding the surface modifier is 50-100min.

[0023] In an exemplary embodiment, the temperature of the drying is 60-150°C.

[0024] In an exemplary embodiment, the time of the ultraviolet sterilization is 0.5-1h.

[0025] In an exemplary embodiment, the mesh number of the sieving is 80-120 mesh; preferably, 80 mesh.

[0026] In an exemplary embodiment, the particle size of the dolomite powder is 40-180μm.

[0027] In an exemplary embodiment, the whiteness of the dolomite powder is 78-90.

[0028] In an exemplary embodiment, the gypsum clinker is selected from one or more of desulfurization gypsum clinker, natural gypsum clinker and phosphor gypsum clinker. The recycling of the desulfurization gypsum clinker, phosphor gypsum clinker solid waste can be achieved.

[0029] In an exemplary embodiment, the particle size of the gypsum clinker is 30-150μm.

[0030] In an exemplary embodiment, the redispersible latex powder is one or both of vinyl acetate-ethylene copolymer and vinyl acetate homopolymer.

[0031] In an exemplary embodiment, the pregelatinized starch is selected from one or more of pregelatinized corn starch, pregelatinized tapioca starch and pregelatinized potato starch.

[0032] In an exemplary embodiment, the viscosity of the pregelatinized starch can be 30-300mPa·s.

[0033] In an exemplary embodiment, the bentonite is selected from any one or more of sodium-based bentonite, calcium-based bentonite and organic bentonite.

[0034] In an exemplary embodiment, the whiteness of the bentonite is 70-80.

[0035] In an exemplary embodiment, the particle size of the bentonite is 65-100μm.

[0036] In an exemplary embodiment, the cellulose ether is selected from one or both of hydroxypropyl methylcellulose (HPMC) and hydroxyethyl methylcellulose (HEMC).

[0037] In an exemplary embodiment, the viscosity of the cellulose ether is 30000-100000mPa·s.

[0038] In one exemplary embodiment, the raw materials of the putty powder, by weight, include: 50 parts dolomite powder, 6 parts gypsum clinker, 3 parts modified distiller's grains, 0.5 parts redispersible latex powder, 0.5 parts pregelatinized starch, 3 parts bentonite and 0.4 parts cellulose ether.

[0039] In one exemplary embodiment, the raw materials of the putty powder, by weight, include: 70 parts dolomite powder, 8 parts gypsum clinker, 10 parts modified distiller's grains, 1 part redispersible latex powder, 1.5 parts pregelatinized starch, 6 parts bentonite and 0.8 parts cellulose ether.

[0040] In one exemplary embodiment, the raw materials of the putty powder, by weight, include: 60 parts dolomite powder, 13 parts gypsum clinker, 20 parts modified distiller's grains, 1.5 parts redispersible latex powder, 3 parts pregelatinized starch, 8 parts bentonite and 0.8 parts cellulose ether.

[0041] This application also provides an application of wine lees in putty powder, wherein the wine lees are modified by a surface modifier.

[0042] In one exemplary embodiment, the lees are one or both of white wine lees and red wine lees.

[0043] In one exemplary embodiment, the surface modifier is selected from one or more of polyethylene glycol, sodium dodecylbenzenesulfonate, sodium dodecyl sulfonate, and sodium dodecyl sulfate.

[0044] In one exemplary embodiment, the modification treatment of the lees includes: adding water to the lees to prepare a lees suspension, heating and stirring, adding a surface modifier and reacting, filtering while hot, drying and sterilizing with ultraviolet light, grinding and sieving to obtain the modified lees.

[0045] Optionally, the concentration of the lees suspension is 20wt%-30wt%;

[0046] Optionally, the heating temperature is 30-70℃;

[0047] Optionally, the amount of the surface modifier added is 2%-5% relative to the weight of oven-dried lees;

[0048] Optionally, the reaction time for adding the surface modifier is 50-100 min;

[0049] Optionally, the drying temperature is 60-150℃;

[0050] Optionally, the ultraviolet sterilization time is 0.5-1 hour;

[0051] Optionally, the sieve mesh size is 80-120 mesh; preferably, the sieve mesh size is 80 mesh.

[0052] Compared with existing related technologies, this application has the following technical effects:

[0053] The modified lees and desulfurized gypsum clinker and phosphogypsum clinker used in this application are economical and environmentally friendly, reducing solid waste pollution and promoting solid waste recycling. The addition of modified lees prevents cracking of the putty and improves its strength and flexibility. The proteins and phenolic substances in the lees have a retarding effect, regulating the setting time of the putty powder. The polyphenol and flavonoid content in the lees is approximately 2 wt%, and the high content of flavonoids and polyphenols provides good antibacterial properties. The modified lees enhances the compatibility between the lees and other components of the putty powder, reduces stress concentration within the structure, and contributes to improved putty strength.

[0054] The putty powder of this application has good antibacterial properties, high strength, good toughness, and is not easy to peel or crack. At the same time, it uses less solid waste, making it economical and environmentally friendly.

[0055] Other features and advantages of this application will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the application. Other advantages of this application may be realized and obtained by means of the methods described in the description. Detailed Implementation

[0056] The embodiments of this application will be described in detail below. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be arbitrarily combined with each other.

[0057] The present application will be further described in detail below with reference to specific embodiments, but these embodiments should not be construed as limiting the present application. The raw materials used in this application are all conventional products on the market.

[0058] In the embodiments and comparative examples of this application:

[0059] The dolomite powder was purchased from Shunze Minerals, with a particle size of 80μm and a whiteness of 82.

[0060] The gypsum clinker is desulfurized gypsum clinker with a particle size of 70μm;

[0061] The redispersible latex powder is a vinyl acetate-ethylene copolymer, purchased from Wacker Chemie AG, Germany, with the grade 5010N.

[0062] The pregelatinized corn starch was purchased from Ningjin Jiahe Energy-Saving Materials Co., Ltd., and the viscosity of the starch was 30 mPa·s.

[0063] The whiteness of calcium-based bentonite is 72, and the average particle size is 70 μm;

[0064] The viscosity of hydroxypropyl methylcellulose ether is 73,500 mPa·s. It was purchased from Shandong Oudu Cellulose Co., Ltd., and its grade is 80000s.

[0065] Example 1

[0066] An antibacterial putty powder formula, wherein the raw materials of the putty powder include, by weight: 50 parts dolomite powder, 6 parts gypsum clinker, 3 parts modified distiller's grains, 0.5 parts redispersible latex powder, 0.5 parts pregelatinized starch, 3 parts bentonite and 0.4 parts cellulose ether.

[0067] The putty powder is obtained by mixing the raw materials.

[0068] The modified lees are prepared as follows: baijiu lees are added to a flask to prepare a lees suspension with a concentration of 25 wt%. The suspension is heated and stirred. At a temperature of 50°C, 3% (relative to the oven-dry lees mass) of sodium dodecylbenzenesulfonate surface modifier is added. After reacting for 80 minutes, the mixture is filtered while hot, dried at 100°C, sterilized with ultraviolet light for 1 hour, ground, and passed through an 80-mesh sieve to obtain the modified lees.

[0069] Example 2

[0070] An antibacterial putty powder formula, wherein the raw materials of the putty powder include, by weight: 70 parts dolomite powder, 8 parts gypsum clinker, 10 parts modified distiller's grains, 1 part redispersible latex powder, 1.5 parts pregelatinized starch, 6 parts bentonite and 0.8 parts cellulose ether.

[0071] The preparation method of the modified lees is the same as in Example 1.

[0072] Example 3

[0073] An antibacterial putty powder formula, wherein the raw materials of the putty powder include, by weight: 60 parts dolomite powder, 13 parts gypsum clinker, 20 parts modified distiller's grains, 1.5 parts redispersible latex powder, 3 parts pregelatinized starch, 8 parts bentonite and 0.8 parts cellulose ether.

[0074] The preparation method of the modified lees is the same as in Example 1.

[0075] Comparative Example 1

[0076] The only difference between this comparative example and Example 1 is that no modified wine lees are added to the putty powder.

[0077] All other raw materials, raw material quantities, and preparation processes are the same as in Example 1.

[0078] Comparative Example 2

[0079] The only difference between this comparative example and Example 1 is that the modified lees in the putty powder is replaced with citric acid.

[0080] All other raw materials, quantities, and preparation processes were the same as in Example 1. Citric acid was purchased from Shanghai Aladdin Reagent Co., Ltd., and its brand name was C112634.

[0081] Comparative Example 3

[0082] The only difference between this comparative example and Example 1 is that the lees were not modified.

[0083] All other raw materials, raw material quantities, and preparation processes are the same as in Example 1.

[0084] Performance testing

[0085] The performance of the putty powders in Examples 1-3 and Comparative Examples 1-3 was tested according to the methods specified in the building materials industry standard JC / T 298-2010. The antibacterial properties of the putty powders prepared in the examples and comparative examples were tested according to GB T21866-2008, using Escherichia coli and Staphylococcus aureus as test strains. The test results are shown in Table 1 below.

[0086] Table 1 Implementation Results

[0087] Test results show that the putty powder provided in this application has a suitable setting time, high strength, and good antibacterial properties, and can be used in places with antibacterial requirements. It is also green and environmentally friendly.

[0088] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A putty powder, wherein the raw materials of the putty powder, by weight, comprise: The ingredients are 50-70 parts dolomite powder, 6-15 parts gypsum clinker, 3-20 parts modified lees, 0.5-1.5 parts redispersible latex powder, 0.5-3 parts pregelatinized starch, 3-8 parts bentonite and 0.4-0.8 parts cellulose ether, wherein the modified lees are lees modified with a surface modifier.

2. The putty powder according to claim 1, wherein, The lees are one or both of baijiu lees and red wine lees.

3. The putty powder according to claim 1 or 2, wherein, The surface modifier is selected from one or more of polyethylene glycol, sodium dodecylbenzenesulfonate, sodium dodecyl sulfonate, and sodium dodecyl sulfate.

4. The putty powder according to any one of claims 1 to 3, wherein, The modified lees are prepared by adding water to the lees to form a lees suspension, heating and stirring, adding a surface modifier and reacting, filtering while hot, drying and sterilizing with ultraviolet light, grinding and sieving to obtain the modified lees.

5. The putty powder according to claim 4, wherein, The concentration of the lees suspension is 20wt%-30wt%; and / or The heating temperature is 30-70℃; and / or The amount of the surface modifier added is 2%-5% relative to the oven-dried lees mass; and / or The reaction time for adding the surface modifier is 50-100 min; and / or The drying temperature is 60-150℃; and / or The ultraviolet sterilization time is 0.5-1 hour; and / or The sieve mesh size is 80-120 mesh.

6. The putty powder according to claim 5, wherein, The sieve mesh size is 80 mesh.

7. The putty powder according to any one of claims 1 to 6, wherein, The dolomite powder has a particle size of 40-180μm and a whiteness of 78-90.

8. The putty powder according to any one of claims 1 to 7, wherein, The gypsum clinker is selected from one or more of desulfurized gypsum clinker, natural gypsum clinker, and phosphogypsum clinker; and / or The redispersible latex powder is one or both of vinyl acetate-ethylene copolymer and vinyl acetate homopolymer; and / or The pregelatinized starch is selected from one or more of pregelatinized corn starch, pregelatinized cassava starch, and pregelatinized potato starch; and / or The bentonite is selected from any one or more of sodium-based bentonite, calcium-based bentonite, and organo-bentonite; and / or The cellulose ether is selected from one or both of hydroxypropyl methylcellulose and hydroxyethyl methylcellulose.

9. The putty powder according to any one of claims 1 to 8, wherein, The gypsum clinker has a particle size of 30-150 μm; and / or The viscosity of the pregelatinized starch is 30-300 mPa·s; and / or The bentonite has a whiteness of 70-80 and a particle size of 65-100 μm; and / or The viscosity of the cellulose ether is 30,000-100,000 mPa·s.

10. The putty powder according to any one of claims 1 to 9, wherein, The raw materials for the putty powder, by weight, include: 50 parts dolomite powder, 6 parts gypsum clinker, 3 parts modified distiller's grains, 0.5 parts redispersible latex powder, 0.5 parts pregelatinized starch, 3 parts bentonite, and 0.4 parts cellulose ether; or The raw materials for the putty powder, by weight, include: 70 parts dolomite powder, 8 parts gypsum clinker, 10 parts modified distiller's grains, 1 part redispersible latex powder, 1.5 parts pregelatinized starch, 6 parts bentonite, and 0.8 parts cellulose ether; or The raw materials of the putty powder, by weight, include: 60 parts dolomite powder, 13 parts gypsum clinker, 20 parts modified distiller's grains, 1.5 parts redispersible latex powder, 3 parts pregelatinized starch, 8 parts bentonite and 0.8 parts cellulose ether.

11. An application of distiller's grains in putty powder, wherein, The lees were modified with a surface modifier.

12. The application according to claim 11, wherein, The lees are one or both of baijiu lees and red wine lees.

13. The application according to claim 11 or 12, wherein, The surface modifier is selected from one or more of polyethylene glycol, sodium dodecylbenzenesulfonate, sodium dodecyl sulfonate, and sodium dodecyl sulfate.

14. The application according to any one of claims 11 to 13, wherein, The modification treatment of the lees includes: adding water to the lees to prepare a lees suspension, heating and stirring, adding a surface modifier and reacting, filtering while hot, drying and sterilizing with ultraviolet light, grinding and sieving to obtain the modified lees.

15. The application according to claim 14, wherein, The concentration of the lees suspension is 20wt%-30wt%; and / or The heating temperature is 30-70℃; and / or The amount of the surface modifier added is 2%-5% relative to the oven-dried lees mass; and / or The reaction time for adding the surface modifier is 50-100 min; and / or The drying temperature is 60-150℃; and / or The ultraviolet sterilization time is 0.5-1 hour; and / or The sieve mesh size is 80-120 mesh, preferably 80 mesh.

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