CN110982130A - Preparation method of antibacterial and mildewproof sponge - Google Patents
Preparation method of antibacterial and mildewproof sponge Download PDFInfo
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- CN110982130A CN110982130A CN201911108847.0A CN201911108847A CN110982130A CN 110982130 A CN110982130 A CN 110982130A CN 201911108847 A CN201911108847 A CN 201911108847A CN 110982130 A CN110982130 A CN 110982130A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
- C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2307/00—Characterised by the use of natural rubber
- C08J2307/02—Latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
Abstract
The invention relates to the technical field of sponges, in particular to a preparation method of an antibacterial and mildewproof sponge, which comprises the following steps: s1, preparing raw materials: the raw materials comprise the following components in parts by weight: 60-65 parts of bamboo charcoal powder, 50-70 parts of natural latex, 4-6 parts of silicone oil, 5-10 parts of sodium hydroxide, 10-15 parts of nano-silver antibacterial agent, 5-10 parts of foaming agent, 5-15 parts of cross-linking agent, 1-5 parts of amine catalyst, 1-1.5 parts of tension agent, 3-5 parts of softening agent, 5-6 parts of ultraviolet absorbent and 50-60 parts of water; s2, preparing and mixing; s3, curing and forming; s4, punching and trimming; according to the invention, the bamboo charcoal powder, the natural latex and the nano-silver antibacterial agent are added into the antibacterial mildew-proof sponge, and the through air holes are formed in the formed sponge body, so that the antibacterial mildew-proof sponge has strong air permeability and antibacterial capacity, can effectively prevent mildew from breeding, and has the advantages of simple and feasible preparation process, low equipment requirement and easiness in production investment.
Description
Technical Field
The invention relates to the technical field of sponges, and particularly relates to a preparation method of an antibacterial and mildewproof sponge.
Background
Sponges are very common porous materials with good water absorption, partly with good elasticity, recovery from deformation etc. and can be used for cleaning articles or for producing soft and comfortable cushions. Sponges commonly used by people are made of wood cellulose fibers or foamed plastic polymers. In addition, there are also natural sponges made of sponge animals, and most of the natural sponges are used for body cleaning or painting. In addition, there are three types of synthetic sponges made of other materials, low density polyether (non-absorbent sponge), polyvinyl alcohol (superabsorbent material, no significant air holes) and polyester, respectively. At present, most sponges in the market do not have antibacterial and mildewproof performance or have poor antibacterial and mildewproof performance, and the use texture and the service life are seriously influenced, so a preparation method of the antibacterial and mildewproof sponge is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects that the sponge has poor antibacterial and mildewproof performance and affects the use texture and the service life in the prior art, and provides a preparation method of an antibacterial and mildewproof sponge.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of an antibacterial mildew-proof sponge is designed, and comprises the following steps:
s1, preparing raw materials:
the raw materials comprise the following components in parts by weight: 60-65 parts of bamboo charcoal powder, 50-70 parts of natural latex, 4-6 parts of silicone oil, 5-10 parts of sodium hydroxide, 10-15 parts of nano-silver antibacterial agent, 5-10 parts of foaming agent, 5-15 parts of cross-linking agent, 1-5 parts of amine catalyst, 1-1.5 parts of tension agent, 3-5 parts of softening agent, 5-6 parts of ultraviolet absorbent and 50-60 parts of water;
s2, preparing and mixing:
putting the bamboo charcoal powder, the natural latex and the silicone oil in the weight part ratio in the step S1 into a mixing container, slowly adding sodium hydroxide, gradually heating and stirring until the pH value of the mixed solution is 6.5-7.5; at the moment, the temperature is kept, and the nano-silver antibacterial agent, the foaming agent, the cross-linking agent, the amine catalyst, the tension agent, the softening agent, the ultraviolet absorbent and the water are added according to the weight ratio, and the mixture is rapidly stirred until a large amount of foam is formed, then the mixture is uniformly stirred at a reduced speed, and then the mixture is stirred at a medium speed to obtain a foaming liquid.
S3, curing and molding:
and (4) putting the foaming liquid obtained in the step (S2) into an oven, and curing for 1-1.5h at the temperature of 60-70 ℃ to obtain the sponge.
S4, punching and trimming:
and punching equidistant and uniform through air holes on the sponge body by using a sponge punching machine, and performing trimming and finished product inspection to obtain the qualified antibacterial mildew-proof sponge.
Preferably, in step S2, the temperature-rising stirring time is 10-15h, the temperature-rising rate is 5-7 ℃/h, and the stirring speed is 450-550 r/min.
Preferably, in step S2, the rapid stirring time is 30-40min, the stirring temperature is 20-40 ℃, and the stirring speed is 650-; the medium-speed stirring time is 20-40min, the stirring temperature is 50-55 ℃, and the stirring speed is 300-350 r/min.
Preferably, the ultraviolet absorbent is one or more of 2-hydroxy-4-methoxybenzophenone or 2-hydroxy-4-octoxybenzophenone.
Preferably, the raw material also comprises 5-10 parts of SiO2 aerogel.
Preferably, the tension agent is one or more of tension agents AE-800 or DP 1022.
The preparation method of the antibacterial and mildewproof sponge provided by the invention has the beneficial effects that: according to the invention, the bamboo charcoal powder, the natural latex and the nano-silver antibacterial agent are added into the antibacterial mildew-proof sponge, and the through air holes are formed in the formed sponge body, so that the antibacterial mildew-proof sponge has strong air permeability and antibacterial capacity, can effectively prevent mildew from breeding, and has the advantages of simple and feasible preparation process, low equipment requirement and easiness in production investment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The first embodiment is as follows:
a preparation method of an antibacterial mildew-proof sponge comprises the following steps:
s1, preparing raw materials:
the raw materials comprise the following components in parts by weight: 60 parts of bamboo charcoal powder, 50 parts of natural latex, 4 parts of silicone oil, 5 parts of sodium hydroxide, 10 parts of nano-silver antibacterial agent, 5 parts of foaming agent, 5 parts of cross-linking agent, 1 part of amine catalyst, 1 part of tension agent, 3 parts of softening agent, 5 parts of ultraviolet absorbent, 50 parts of water and 5 parts of SiO2 aerogel; the ultraviolet absorbent is 2-hydroxy-4-methoxy benzophenone; the tension agent is a tension agent AE-800.
S2, preparing and mixing:
putting the bamboo charcoal powder, the natural latex and the silicone oil in the weight part ratio in the step S1 into a mixing container, slowly adding sodium hydroxide, gradually heating and stirring, wherein the heating and stirring time is 10 hours, the heating rate is 5 ℃/h, and the stirring speed is 450r/min until the pH value of the mixed solution is 6.5; at the moment, preserving heat, adding a nano-silver antibacterial agent, a foaming agent, a cross-linking agent, an amine catalyst, a tension agent, a softening agent, an ultraviolet absorbent, SiO2 aerogel and water according to the weight ratio, quickly stirring to foam in a large amount, then carrying out speed-reducing foam-homogenizing stirring, and then carrying out medium-speed stirring to obtain a foaming solution, wherein the quick stirring time is 30min, the stirring temperature is 20 ℃, the stirring speed is 600r/min, the foam-homogenizing stirring time is 50min, the stirring temperature is 40 ℃, and the stirring speed is 200 r/min; the medium-speed stirring time is 20min, the stirring temperature is 50 ℃, and the stirring speed is 300 r/min.
S3, curing and molding:
and (4) putting the foaming liquid obtained in the step S2 into an oven, and curing for 1h at the temperature of 60 ℃ to obtain the sponge.
S4, punching and trimming:
and punching equidistant and uniform through air holes on the sponge body by using a sponge punching machine, and performing trimming and finished product inspection to obtain the qualified antibacterial mildew-proof sponge.
Example two:
a preparation method of an antibacterial mildew-proof sponge comprises the following steps:
s1, preparing raw materials:
the raw materials comprise the following components in parts by weight: 65 parts of bamboo charcoal powder, 70 parts of natural latex, 6 parts of silicone oil, 10 parts of sodium hydroxide, 15 parts of nano-silver antibacterial agent, 10 parts of foaming agent, 15 parts of cross-linking agent, 5 parts of amine catalyst, 1.5 parts of tension agent, 5 parts of softening agent, 6 parts of ultraviolet absorbent and 60 parts of water, wherein the raw materials further comprise 10 parts of SiO2 aerogel; the ultraviolet absorbent is 2-hydroxy-4-octoxy benzophenone; the tension agent is tension agent DP 1022.
S2, preparing and mixing:
putting the bamboo charcoal powder, the natural latex and the silicone oil in the weight part ratio in the step S1 into a mixing container, slowly adding sodium hydroxide, gradually heating and stirring, wherein the heating and stirring time is 115 hours, the heating rate is 7 ℃/h, and the stirring speed is 550r/min until the pH value of the mixed solution is 7.5; at the moment, preserving heat, adding a nano-silver antibacterial agent, a foaming agent, a cross-linking agent, an amine catalyst, a tension agent, a softening agent, an ultraviolet absorbent, SiO2 aerogel and water according to the weight ratio, quickly stirring to foam in a large amount, then carrying out speed-reducing foam-homogenizing stirring, and then carrying out medium-speed stirring to obtain a foaming solution, wherein the quick stirring time is 40min, the stirring temperature is 40 ℃, the stirring speed is 650r/min, the foam-homogenizing stirring time is 60min, the stirring temperature is 50 ℃, and the stirring speed is 250 r/min; the medium-speed stirring time is 40min, the stirring temperature is 55 ℃, and the stirring speed is 350 r/min.
S3, curing and molding:
and (4) putting the foaming liquid obtained in the step S2 into an oven, and curing for 1.5h at 70 ℃ to obtain the sponge.
S4, punching and trimming:
and punching equidistant and uniform through air holes on the sponge body by using a sponge punching machine, and performing trimming and finished product inspection to obtain the qualified antibacterial mildew-proof sponge.
Example three:
a preparation method of an antibacterial mildew-proof sponge comprises the following steps:
s1, preparing raw materials:
the raw materials comprise the following components in parts by weight: 63 parts of bamboo charcoal powder, 60 parts of natural latex, 5 parts of silicone oil, 7 parts of sodium hydroxide, 14 parts of nano-silver antibacterial agent, 8 parts of foaming agent, 10 parts of cross-linking agent, 4 parts of amine catalyst, 1.4 parts of tension agent, 4 parts of softening agent, 5.5 parts of ultraviolet absorbent and 55 parts of water; the ultraviolet absorbent is 2-hydroxy-4-methoxy benzophenone; the tension agent is a tension agent AE-800.
S2, preparing and mixing:
putting the bamboo charcoal powder, the natural latex and the silicone oil in the weight part ratio in the step S1 into a mixing container, slowly adding sodium hydroxide, gradually heating and stirring, wherein the heating and stirring time is 12 hours, the heating rate is 6 ℃/h, and the stirring speed is 500r/min until the pH value of the mixed solution is 7; at the moment, preserving heat, adding a nano-silver antibacterial agent, a foaming agent, a cross-linking agent, an amine catalyst, a tension agent, a softening agent, an ultraviolet absorbent and water according to the weight ratio, quickly stirring until a large amount of foam is formed, then carrying out speed reduction and uniform foam stirring, and then carrying out medium-speed stirring to obtain a foaming solution, wherein the quick stirring time is 35min, the stirring temperature is 30 ℃, the stirring speed is 620r/min, the uniform foam stirring time is 55min, the stirring temperature is 45 ℃, and the stirring speed is 230 r/min; the medium-speed stirring time is 30min, the stirring temperature is 53 ℃, and the stirring speed is 340 r/min.
S3, curing and molding:
and (4) putting the foaming liquid obtained in the step S2 into an oven, and curing for 1.3h at 65 ℃ to obtain the sponge.
S4, punching and trimming:
and punching equidistant and uniform through air holes on the sponge body by using a sponge punching machine, and performing trimming and finished product inspection to obtain the qualified antibacterial mildew-proof sponge.
According to the invention, the bamboo charcoal powder, the natural latex and the nano-silver antibacterial agent are added into the antibacterial mildew-proof sponge, and the through air holes are formed in the formed sponge body, so that the antibacterial mildew-proof sponge has strong air permeability and antibacterial capacity, can effectively prevent mildew from breeding, and has the advantages of simple and feasible preparation process, low equipment requirement and easiness in production investment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A preparation method of an antibacterial mildew-proof sponge comprises the following steps:
s1, preparing raw materials:
the raw materials comprise the following components in parts by weight: 60-65 parts of bamboo charcoal powder, 50-70 parts of natural latex, 4-6 parts of silicone oil, 5-10 parts of sodium hydroxide, 10-15 parts of nano-silver antibacterial agent, 5-10 parts of foaming agent, 5-15 parts of cross-linking agent, 1-5 parts of amine catalyst, 1-1.5 parts of tension agent, 3-5 parts of softening agent, 5-6 parts of ultraviolet absorbent and 50-60 parts of water;
s2, preparing and mixing:
putting the bamboo charcoal powder, the natural latex and the silicone oil in the weight part ratio in the step S1 into a mixing container, slowly adding sodium hydroxide, gradually heating and stirring until the pH value of the mixed solution is 6.5-7.5; at the moment, preserving heat, adding a nano-silver antibacterial agent, a foaming agent, a cross-linking agent, an amine catalyst, a tension agent, a softening agent, an ultraviolet absorbent and water according to the weight ratio, quickly stirring until a large amount of foam is formed, then, reducing the speed, uniformly stirring for foam formation, and then, stirring at a medium speed to obtain a foaming solution;
s3, curing and molding:
putting the foaming liquid obtained in the step S2 into an oven, and curing for 1-1.5h at the temperature of 60-70 ℃ to obtain a sponge body;
s4, punching and trimming:
and punching equidistant and uniform through air holes on the sponge body by using a sponge punching machine, and performing trimming and finished product inspection to obtain the qualified antibacterial mildew-proof sponge.
2. The method for preparing the antibacterial and antifungal sponge as claimed in claim 1, wherein in step S2, the temperature-rising stirring time is 10-15h, the temperature-rising rate is 5-7 ℃/h, and the stirring speed is 450-550 r/min.
3. The method for preparing the antibacterial and mildewproof sponge as claimed in claim 1, wherein in step S2, the rapid stirring time is 30-40min, the stirring temperature is 20-40 ℃, the stirring speed is 600-650r/min, the foam homogenizing stirring time is 50-60min, the stirring temperature is 40-50 ℃, and the stirring speed is 200-250 r/min; the medium-speed stirring time is 20-40min, the stirring temperature is 50-55 ℃, and the stirring speed is 300-350 r/min.
4. The method for preparing the antibacterial and mildewproof sponge according to claim 1, wherein the ultraviolet absorbent is one or more of 2-hydroxy-4-methoxybenzophenone and 2-hydroxy-4-octoxybenzophenone.
5. The method for preparing the antibacterial and mildewproof sponge according to claim 1, wherein the raw materials further comprise 5-10 parts of SiO2 aerogel.
6. The method for preparing the antibacterial and mildewproof sponge according to claim 1, wherein the tension agent is one or more of tension agents AE-800 or DP 1022.
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| CN201911108847.0A CN110982130A (en) | 2019-11-13 | 2019-11-13 | Preparation method of antibacterial and mildewproof sponge |
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| CN201911108847.0A CN110982130A (en) | 2019-11-13 | 2019-11-13 | Preparation method of antibacterial and mildewproof sponge |
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Application publication date: 20200410 |