CN107345046B - A kind of mould proof sponge material and preparation method thereof - Google Patents
A kind of mould proof sponge material and preparation method thereof Download PDFInfo
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- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
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- 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
- C08J9/06—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 by a chemical blowing agent
- C08J9/10—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 by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
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- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
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- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention provides a kind of mould proof sponge materials and preparation method thereof, first material first is made in modified resin and surfactant, foaming agent, second material is made in glutaraldehyde, imidazoline biguanides sulfate, liquid curing-agent, isooctyl mercaptopropionate, then it is slowly added to the first material of preheating that mixture to be made in second material, it finally foams and obtains, foaming is abundant, with preferable resilience performance, the strand of glutaraldehyde and imidazoline biguanides sulfate is mutually wound, and intert between the hole of sponge material, mildew-proof function is played in collaboration.Sponge material of the invention has both good mechanical property and fungicidal properties.
Description
Technical field
The present invention relates to sponge material technical fields, more particularly to a kind of mould proof sponge material and preparation method thereof.
Background technique
Sponge has good water imbibition, is a kind of porous material, is commonly used in padded coaming or clean article.At present
Common sponge is made of wood cellulose fibers or foamed plastic polymer, and there are also a small number of natural seas made of spongia
Silk floss can be used for clean body or drawing.In addition, there are also three classes synthetic sponge, respectively low-density polyethers (not water-absorbing sponge), poly-
Vinyl alcohol (high-absorbent material, without obvious stomata) and polyester.
Under the conditions of suitable temperature and humidity, microorganism (bacterium and mould) will in sponge hole mass propagation,
Mould secretion causes the biodegrade of sponge material, as the improvement of people's living standards, more and more fields are to material
Sanitation performance more stringent requirements are proposed, therefore there has also been corresponding requirements for the antibiotic property of sponge material.Under normal circumstances
Antibacterial agent can be added to improve anti-microbial property, usually used antibacterial agent can be divided into inorganic antibacterial agent and organic antibacterial agent
Two major classes, the former heat resistance is higher, but at high cost, and the latter's germicidal efficiency is higher, and additive amount is less, but there are poor heat resistances
The disadvantages such as low with safety.
Summary of the invention
Present invention aim to provide a kind of mould proof sponge material and preparation method thereof.
To achieve the above object, the present invention is achieved by the following scheme:
A kind of preparation method of mould proof sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate is added and Boratex, 300~450W intermittent type microwave are anti-
It answers 4~5 minutes, obtains melamine resin, polyvinyl butyral, polyvinyl alcohol and dimethyl allene are added while stirring
Sour glycol ester is passed through nitrogen, and 300~450W intermittent type microwave reacts 8~10 minutes, adjusts pH to neutrality, dehydration is changed
Property resin；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material,
It is spare；
(3) glutaraldehyde, imidazoline biguanides sulfate are uniformly mixed with liquid curing-agent, sulfydryl is slowly added dropwise while stirring
The different monooctyl ester of propionic acid, continues stirring 2~3 hours, obtains second material after being added dropwise；
(4) first material obtained by step (2) is preheated to 30~40 DEG C, is then slowly added to obtained by step (3) the
In two materials, stirs 1~2 hour, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 150~300W microwave prefoam 3~4 minutes, then
It is sent into far-infrared heating stove, is heated to 110~115 DEG C and keeps the temperature 10~15 minutes, be then heated to 120~130 DEG C of heat preservations 20
~30 minutes, be cooled to room temperature to get.
Preferably, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
The mass ratio of aldehyde, polyvinyl alcohol and ethylene glycol dimethacrylate is 1:0.5~0.6:0.02~0.03:0.02~0.03:
0.3~0.4:0.3~0.4:0.2~0.3, the mass concentration of formalin are 37~40%.
Preferably, in step (1), the specific method of intermittent type microwave reaction is: after microwave irradiation 1 minute, being spaced 30 seconds
Microwave irradiation 1 minute again, so circulation are until accumulative irradiation time reaches the reaction time.
Preferably, in step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.3~0.4:0.2
~0.3.
Preferably, in step (2), the surfactant is octyl phenol polyoxyethylene ether, the polyoxy second of mass ratio 1:1:1
Alkene Sorbitan Monooleate and styrylphenol polyoxyethylene ether.
Preferably, in step (2), the foaming agent is polyphenyl polymethylene polyisocyanates and 1,3- benzene disulfohydrazide
Mixture, the two mass ratio be 1:1.3.
Preferably, in step (3), the quality of glutaraldehyde, imidazoline biguanides sulfate, curing agent and isooctyl mercaptopropionate
Than for 1:0.5~0.6:2~3:1~2.
Preferably, in step (3), the curing agent is mixed to get by the component of following mass percent: divinyl three
Amine 20~25%, N- aminoethyl piperazine 10~15%, phenol sulfonic acid 10~15%, surplus are water.
Preferably, it is slowly added dropwise to be controlled in 15~20 minutes in step (3) and be added dropwise.
Preferably, in step (4), the mass ratio of first material and second material is 1:0.1~0.2.
Preferably, it is slowly added to be controlled in step (4) to be added in 20~30 minutes and finish.
A kind of mould proof sponge material, is prepared by the above method.
The beneficial effects of the present invention are:
1, sponge material of the invention is that modified resin and surfactant, foaming agent are first made first material, penta 2
Second material is made in aldehyde, imidazoline biguanides sulfate, liquid curing-agent, isooctyl mercaptopropionate, then by the first object of preheating
Material is slowly added to that mixture is made in second material, finally foams and obtain, foaming sufficiently, with preferable resilience performance, penta 2
The strand of aldehyde and imidazoline biguanides sulfate is mutually wound, and is interted between the hole of sponge material, and collaboration is played mould proof
Effect.
2, modified resin is melamine resin with polyvinyl butyral, polyvinyl alcohol and dimethacrylate second
Glycol is ester modified and obtains, and sodium acetate and Boratex are added in preparation process, helps to reduce side reaction, decline in conjunction with using interval
Wave reaction, the common conversion ratio for improving melamine.
3, it is slowly added in second material after preheating first material, is initially that a large amount of second materials wrap up a small amount of first object
Material, can promote the rapid dispersion of first material, with the increase of first material additional amount, become largely to sweep along second material
First material package be added a small amount of first material, the rapid dispersion of first material is also beneficial to, so that first material
It is sufficiently mixed uniformly with second material.
4, microwave prefoam combination far infrared high-temperature baking is used when foaming, microwave prefoam can be effectively improved mixture
Internal structure promotes foaming more abundant.
5, foaming agent of the invention use polyphenyl polymethylene polyisocyanates and 1, the mixture of 3- benzene disulfohydrazide,
The two collaboration foaming, has better foaming effect.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of preparation method of mould proof sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate and Boratex is added, 300W intermittent type microwave reacts 4 points
Clock obtains melamine resin, and polyvinyl butyral, polyvinyl alcohol and ethylene glycol dimethacrylate are added while stirring
Ester is passed through nitrogen, and 300W intermittent type microwave reacts 8 minutes, adjusts pH to neutrality, dehydration obtains modified resin；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material,
It is spare；
(3) glutaraldehyde, imidazoline biguanides sulfate are uniformly mixed with liquid curing-agent, sulfydryl is slowly added dropwise while stirring
The different monooctyl ester of propionic acid continues stirring 2 hours, obtains second material after being added dropwise；
(4) first material obtained by step (2) is preheated to 30 DEG C, is then slowly added to the second object obtained by step (3)
In material, stirs 1 hour, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 150W microwave prefoam 3 minutes, is then fed into remote red
In externally heated oven, be heated to 110 DEG C keep the temperature 10 minutes, be then heated to 120 DEG C keep the temperature 20 minutes, be cooled to room temperature to get.
Wherein, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
The mass ratio of aldehyde, polyvinyl alcohol and ethylene glycol dimethacrylate is 1:0.5:0.02:0.02:0.3:0.3:0.2, and formaldehyde is molten
The mass concentration of liquid is 37%.The specific method of intermittent type microwave reaction is: after microwave irradiation 1 minute, being spaced 30 seconds microwaves again
Irradiation 1 minute, so circulation are until accumulative irradiation time reaches the reaction time.
In step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.3:0.2.Surfactant is
Octyl phenol polyoxyethylene ether, polyoxyethylene sorbitan monooleate and the styrylphenol polyoxy second of mass ratio 1:1:1
Alkene ether.Foaming agent is polyphenyl polymethylene polyisocyanates and 1, and the mixture of 3- benzene disulfohydrazide, the two mass ratio is 1:
1.3。
In step (3), glutaraldehyde, imidazoline biguanides sulfate, curing agent and isooctyl mercaptopropionate mass ratio be 1:
0.5:2:1.Curing agent is mixed to get by the component of following mass percent: diethylenetriamine 20%, N- aminoethyl piperazine 10%,
Phenol sulfonic acid 10%, surplus are water.It is slowly added dropwise to be controlled in 15 minutes and be added dropwise.
In step (4), the mass ratio of first material and second material is 1:0.1.It is slowly added to be controlled in 20 minutes
Addition finishes.
A kind of mould proof sponge material, is prepared by the above method.
Embodiment 2
A kind of preparation method of mould proof sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate and Boratex is added, 450W intermittent type microwave reacts 5 points
Clock obtains melamine resin, and polyvinyl butyral, polyvinyl alcohol and ethylene glycol dimethacrylate are added while stirring
Ester is passed through nitrogen, and 450W intermittent type microwave reacts 10 minutes, adjusts pH to neutrality, dehydration obtains modified resin；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material,
It is spare；
(3) glutaraldehyde, imidazoline biguanides sulfate are uniformly mixed with liquid curing-agent, sulfydryl is slowly added dropwise while stirring
The different monooctyl ester of propionic acid continues stirring 3 hours, obtains second material after being added dropwise；
(4) first material obtained by step (2) is preheated to 40 DEG C, is then slowly added to the second object obtained by step (3)
In material, stirs 2 hours, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 300W microwave prefoam 4 minutes, is then fed into remote
In infrared heating furnace, be heated to 115 DEG C keep the temperature 15 minutes, be then heated to 130 DEG C keep the temperature 30 minutes, be cooled to room temperature to get.
Wherein, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
The mass ratio of aldehyde, polyvinyl alcohol and ethylene glycol dimethacrylate is 1:0.6:0.03:0.03:0.4:0.4:0.3,
The mass concentration of formalin is 40%.The specific method of intermittent type microwave reaction is: after microwave irradiation 1 minute, being spaced 30 seconds again
Secondary microwave irradiation 1 minute, so circulation are until accumulative irradiation time reaches the reaction time.
In step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.4:0.3.Surfactant
For the octyl phenol polyoxyethylene ether of mass ratio 1:1:1, polyoxyethylene sorbitan monooleate and styrylphenol polyoxy
Vinethene.Foaming agent is polyphenyl polymethylene polyisocyanates and 1, and the mixture of 3- benzene disulfohydrazide, the two mass ratio is
1:1.3.
In step (3), glutaraldehyde, imidazoline biguanides sulfate, curing agent and isooctyl mercaptopropionate mass ratio be 1:
0.6: 3: 2.Curing agent is mixed to get by the component of following mass percent: diethylenetriamine 25%, N- aminoethyl piperazine
15%, phenol sulfonic acid 15%, surplus is water.It is slowly added dropwise to be controlled in 20 minutes and be added dropwise.
In step (4), the mass ratio of first material and second material is 1:0.2.It is slowly added to be controlled in 30 minutes
Addition finishes.
A kind of mould proof sponge material, is prepared by the above method.
Embodiment 3
A kind of preparation method of mould proof sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate and Boratex is added, 450W intermittent type microwave reacts 4 points
Clock obtains melamine resin, and polyvinyl butyral, polyvinyl alcohol and ethylene glycol dimethacrylate are added while stirring
Ester is passed through nitrogen, and 450W intermittent type microwave reacts 9 minutes, adjusts pH to neutrality, dehydration obtains modified resin；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material,
It is spare；
(3) glutaraldehyde, imidazoline biguanides sulfate are uniformly mixed with liquid curing-agent, sulfydryl is slowly added dropwise while stirring
The different monooctyl ester of propionic acid continues stirring 2 hours, obtains second material after being added dropwise；
(4) first material obtained by step (2) is preheated to 35 DEG C, is then slowly added to the second object obtained by step (3)
In material, stirs 1 hour, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 300W microwave prefoam 3 minutes, is then fed into remote
In infrared heating furnace, be heated to 112 DEG C keep the temperature 12 minutes, be then heated to 125 DEG C keep the temperature 25 minutes, be cooled to room temperature to get.
Wherein, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
The mass ratio of aldehyde, polyvinyl alcohol and ethylene glycol dimethacrylate is 1:0.55:0.02:0.03:0.35:0.33:0.26,
The mass concentration of formalin is 38%.The specific method of intermittent type microwave reaction is: after microwave irradiation 1 minute, being spaced 30 seconds again
Secondary microwave irradiation 1 minute, so circulation are until accumulative irradiation time reaches the reaction time.
In step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.35:0.25.Surfactant
For the octyl phenol polyoxyethylene ether of mass ratio 1:1:1, polyoxyethylene sorbitan monooleate and styrylphenol polyoxy
Vinethene.Foaming agent is polyphenyl polymethylene polyisocyanates and 1, and the mixture of 3- benzene disulfohydrazide, the two mass ratio is
1:1.3.
In step (3), glutaraldehyde, imidazoline biguanides sulfate, curing agent and isooctyl mercaptopropionate mass ratio be 1:
0.55:2.5:1.5.Curing agent is mixed to get by the component of following mass percent: diethylenetriamine 22%, N- aminoethyl piperazine
Piperazine 13%, phenol sulfonic acid 12%, surplus are water.It is slowly added dropwise to be controlled in 18 minutes and be added dropwise.
In step (4), the mass ratio of first material and second material is 1:0.15.It is slowly added to be controlled in 25 minutes
Addition finishes.
A kind of mould proof sponge material, is prepared by the above method.
Comparative example 1
A kind of preparation method of sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate and Boratex is added, 450W intermittent type microwave reacts 4 points
Clock obtains melamine resin, and polyvinyl butyral, polyvinyl alcohol are added while stirring, is passed through nitrogen, 450W interval
Type micro-wave reacts 9 minutes, adjusts pH to neutrality, dehydration obtains modified resin；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material,
It is spare；
(3) glutaraldehyde, imidazoline biguanides sulfate are uniformly mixed with liquid curing-agent, sulfydryl is slowly added dropwise while stirring
The different monooctyl ester of propionic acid continues stirring 2 hours, obtains second material after being added dropwise；
(4) first material obtained by step (2) is preheated to 35 DEG C, is then slowly added to the second object obtained by step (3)
In material, stirs 1 hour, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 300W microwave prefoam 3 minutes, is then fed into remote
In infrared heating furnace, be heated to 112 DEG C keep the temperature 12 minutes, be then heated to 125 DEG C keep the temperature 25 minutes, be cooled to room temperature to get.
Wherein, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
Aldehyde, polyvinyl alcohol mass ratio be 1:0.55:0.02:0.03:0.35:0.33, the mass concentration of formalin is 38%.Intermittently
The specific method of type micro-wave reaction is: after microwave irradiation 1 minute, 30 seconds microwave irradiation 1 minutes again in interval, so circulation until
Accumulative irradiation time reaches the reaction time.
In step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.35:0.25.Surfactant
For the octyl phenol polyoxyethylene ether of mass ratio 1:1:1, polyoxyethylene sorbitan monooleate and styrylphenol polyoxy
Vinethene.Foaming agent is polyphenyl polymethylene polyisocyanates and 1, and the mixture of 3- benzene disulfohydrazide, the two mass ratio is
1:1.3.
In step (3), glutaraldehyde, imidazoline biguanides sulfate, curing agent and isooctyl mercaptopropionate mass ratio be 1:
0.55:2.5:1.5.Curing agent is mixed to get by the component of following mass percent: diethylenetriamine 22%, N- aminoethyl piperazine
Piperazine 13%, phenol sulfonic acid 12%, surplus are water.It is slowly added dropwise to be controlled in 18 minutes and be added dropwise.
In step (4), the mass ratio of first material and second material is 1:0.15.It is slowly added to be controlled in 25 minutes
Addition finishes.
A kind of sponge material is prepared by the above method.
Comparative example 2
A kind of preparation method of sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate and Boratex is added, 450W intermittent type microwave reacts 4 points
Clock obtains melamine resin, and polyvinyl butyral, polyvinyl alcohol and ethylene glycol dimethacrylate are added while stirring
Ester is passed through nitrogen, and 450W intermittent type microwave reacts 9 minutes, adjusts pH to neutrality, dehydration obtains modified resin；
(2) by modified resin obtained by step (1) and surfactant, foaming agent, glutaraldehyde, imidazoline biguanides sulfate,
Liquid curing-agent, isooctyl mercaptopropionate, stir and evenly mix, and obtain mixture；
(3) mixture obtained by step (2) is poured into mold rapidly, 300W microwave prefoam 3 minutes, is then fed into remote
In infrared heating furnace, be heated to 112 DEG C keep the temperature 12 minutes, be then heated to 125 DEG C keep the temperature 25 minutes, be cooled to room temperature to get.
Wherein, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
The mass ratio of aldehyde, polyvinyl alcohol and ethylene glycol dimethacrylate is 1:0.55:0.02:0.03:0.35:0.33:0.26,
The mass concentration of formalin is 38%.The specific method of intermittent type microwave reaction is: after microwave irradiation 1 minute, being spaced 30 seconds again
Secondary microwave irradiation 1 minute, so circulation are until accumulative irradiation time reaches the reaction time.
In step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.35:0.25.Surfactant
For the octyl phenol polyoxyethylene ether of mass ratio 1:1:1, polyoxyethylene sorbitan monooleate and styrylphenol polyoxy
Vinethene.Foaming agent is polyphenyl polymethylene polyisocyanates and 1, and the mixture of 3- benzene disulfohydrazide, the two mass ratio is
1:1.3.
Glutaraldehyde, imidazoline biguanides sulfate, curing agent and isooctyl mercaptopropionate mass ratio be 1:0.55:2.5:
1.5.Curing agent is mixed to get by the component of following mass percent: diethylenetriamine 22%, N- aminoethyl piperazine 13%, phenol sulphur
Acid 12%, surplus is water.It is slowly added dropwise to be controlled in 18 minutes and be added dropwise.
A kind of sponge material is prepared by the above method.
Comparative example 3
A kind of preparation method of sponge material, comprising the following steps:
(1) melamine is added in formalin, sodium acetate and Boratex is added, 450W intermittent type microwave reacts 4 points
Clock obtains melamine resin, and polyvinyl butyral, polyvinyl alcohol and ethylene glycol dimethacrylate are added while stirring
Ester is passed through nitrogen, and 450W intermittent type microwave reacts 9 minutes, adjusts pH to neutrality, dehydration obtains modified resin；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material,
It is spare；
(3) glutaraldehyde is uniformly mixed with liquid curing-agent, isooctyl mercaptopropionate is slowly added dropwise while stirring, dripped
Continue stirring 2 hours after finishing, obtains second material；
(4) first material obtained by step (2) is preheated to 35 DEG C, is then slowly added to the second object obtained by step (3)
In material, stirs 1 hour, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 300W microwave prefoam 3 minutes, is then fed into remote
In infrared heating furnace, be heated to 112 DEG C keep the temperature 12 minutes, be then heated to 125 DEG C keep the temperature 25 minutes, be cooled to room temperature to get.
Wherein, in step (1), formaldehyde contained by melamine, formalin, sodium acetate, Boratex, polyvinyl alcohol contracting fourth
The mass ratio of aldehyde, polyvinyl alcohol and ethylene glycol dimethacrylate is 1:0.55:0.02:0.03:0.35:0.33:0.26,
The mass concentration of formalin is 38%.The specific method of intermittent type microwave reaction is: after microwave irradiation 1 minute, being spaced 30 seconds again
Secondary microwave irradiation 1 minute, so circulation are until accumulative irradiation time reaches the reaction time.
In step (2), the mass ratio of modified resin, surfactant and foaming agent is 1:0.35:0.25.Surfactant
For the octyl phenol polyoxyethylene ether of mass ratio 1:1:1, polyoxyethylene sorbitan monooleate and styrylphenol polyoxy
Vinethene.Foaming agent is polyphenyl polymethylene polyisocyanates and 1, and the mixture of 3- benzene disulfohydrazide, the two mass ratio is
1:1.3.
In step (3), the mass ratio of glutaraldehyde, curing agent and isooctyl mercaptopropionate is 1:2.5:1.5.Curing agent is
Be mixed to get by the component of following mass percent: diethylenetriamine 22%, N- aminoethyl piperazine 13%, phenol sulfonic acid 12%, surplus are
Water.It is slowly added dropwise to be controlled in 18 minutes and be added dropwise.
In step (4), the mass ratio of first material and second material is 1:0.15.It is slowly added to be controlled in 25 minutes
Addition finishes.
A kind of sponge material is prepared by the above method.
Test example
The properties of 1~2 gained sponge material of testing example 1~5 and comparative example, respectively according to GB/T6344-
2008, GB/T6344-2008, GB/T6670-2008, GB/T10807-2006 the results are shown in Table 1.
1. performance of table compares
| Average foam diameter (mm) | Porosity (%) | Tensile strength (MPa) | Elongation at break (%) | Rebound degree (%) | Indentation force deflection (N) | |
| Embodiment 1 | 0.41 | ≥99 | 8.8 | 7 | 79 | 255 |
| Embodiment 2 | 0.4 | ≥99 | 8.8 | 7.1 | 79 | 254 |
| Embodiment 3 | 0.38 | ≥99 | 9 | 7.2 | 82 | 258 |
| Comparative example 1 | 2.35 | 43 | 3.7 | 3.5 | 43 | 113 |
| Comparative example 2 | 2.78 | 51 | 3.2 | 3.5 | 32 | 122 |
As shown in Table 1, sponge material obtained by Examples 1 to 3, tensile strength, elongation at break, rebound degree and collapses intensity
Etc. indexs be superior to comparative example 1~3.
Examples 1 to 3 and 3 gained sponge material of comparative example are cut into 1cm × 1cm × 1cm, it is anti-before and after test boiling
Bacterium performance, the results are shown in Table 2.
2. anti-microbial property of table compares
| Escherichia coli antibiotic rate (%) | Staphylococcus aureus antibiotic rate (%) | |
| Embodiment 1 | 99.99 | 99.99 |
| Embodiment 2 | 99.99 | 99.99 |
| Embodiment 3 | 99.99 | 99.99 |
| Embodiment 4 | 99.99 | 99.99 |
| Embodiment 5 | 99.99 | 99.99 |
| Comparative example 3 | 82.12 | 83.18 |
As can be seen from Table 2, sponge material of the invention has splendid antibiotic property, illustrates that anti-mold effect is good, and
99.99% anti-microbial property, far superior to comparative example 3 are still able to maintain after boiling.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of preparation method of mould proof sponge material, which comprises the following steps:
(1) melamine is added in formalin, addition sodium acetate and Boratex, 300~450W intermittent type microwave reaction 4~
5 minutes, melamine resin is obtained, polyvinyl butyral, polyvinyl alcohol and dimethacrylate second are added while stirring
Diol ester is passed through nitrogen, and 300~450W intermittent type microwave reacts 8~10 minutes, adjusts pH to neutrality, dehydration obtains modified tree
Rouge；
(2) modified resin obtained by step (1) is mixed evenly with surfactant, foaming agent, obtains first material, it is standby
With；
(3) glutaraldehyde, imidazoline biguanides sulfate are uniformly mixed with liquid curing-agent, mercaptopropionic acid is slowly added dropwise while stirring
Different monooctyl ester continues stirring 2~3 hours, obtains second material after being added dropwise；
(4) first material obtained by step (2) is preheated to 30~40 DEG C, is then slowly added to the second object obtained by step (3)
In material, stirs 1~2 hour, obtain mixture；
(5) mixture obtained by step (4) is poured into mold rapidly, 150~300W microwave prefoam 3~4 minutes is then fed into
It in far-infrared heating stove, is heated to 110~115 DEG C and keeps the temperature 10~15 minutes, be then heated to 120~130 DEG C of heat preservations 20~30
Minute, be cooled to room temperature to get.
2. preparation method according to claim 1, which is characterized in that in step (1), contained by melamine, formalin
Formaldehyde, sodium acetate, Boratex, polyvinyl butyral, polyvinyl alcohol and ethylene glycol dimethacrylate mass ratio be 1:
0.5~0.6:0.02~0.03:0.02~0.03:0.3~0.4:0.3~0.4:0.2~0.3, the mass concentration of formalin
It is 37~40%.
3. preparation method according to claim 1, which is characterized in that in step (2), modified resin, surfactant and
The mass ratio of foaming agent is 1:0.3~0.4:0.2~0.3.
4. preparation method according to claim 1, which is characterized in that in step (2), the surfactant is mass ratio
Octyl phenol polyoxyethylene ether, polyoxyethylene sorbitan monooleate and the styrylphenol polyoxyethylene ether of 1:1:1.
5. preparation method according to claim 1, which is characterized in that in step (2), the foaming agent is that how sub- more phenyl are
Methyl polyisocyanates and 1, the mixture of 3- benzene disulfohydrazide, the two mass ratio are 1:1.3.
6. preparation method according to claim 1, which is characterized in that in step (3), glutaraldehyde, imidazoline biguanides sulfuric acid
The mass ratio of salt, curing agent and isooctyl mercaptopropionate is 1:0.5~0.6:2~3:1~2.
7. preparation method according to claim 1, which is characterized in that in step (3), the curing agent is by following quality
The component of percentage is mixed to get: diethylenetriamine 20~25%, N- aminoethyl piperazine 10~15%, phenol sulfonic acid 10~15%, surplus
For water.
8. preparation method according to claim 1, which is characterized in that in step (4), the matter of first material and second material
Amount is than being 1:0.1~0.2.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081894A (en) * | 2007-06-28 | 2007-12-05 | 郑义男 | Fungus-proof antibiotic polyurethane sponge and processing method |
| CN102875758A (en) * | 2012-10-11 | 2013-01-16 | 晋大纳米科技（厦门）有限公司 | Washing endurance, long-acting, antimicrobial and mildewproof sponge, and preparation method thereof |
| CN105440703A (en) * | 2016-01-04 | 2016-03-30 | 北京普莱斯德新型保温建材有限公司 | Mildew-proof and antibacterial rubber and plastic sponge |
-
2017
- 2017-09-04 CN CN201710784377.4A patent/CN107345046B/en active Active
- 2017-09-04 CN CN201910207183.7A patent/CN109825031A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081894A (en) * | 2007-06-28 | 2007-12-05 | 郑义男 | Fungus-proof antibiotic polyurethane sponge and processing method |
| CN102875758A (en) * | 2012-10-11 | 2013-01-16 | 晋大纳米科技（厦门）有限公司 | Washing endurance, long-acting, antimicrobial and mildewproof sponge, and preparation method thereof |
| CN105440703A (en) * | 2016-01-04 | 2016-03-30 | 北京普莱斯德新型保温建材有限公司 | Mildew-proof and antibacterial rubber and plastic sponge |
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Effective date of registration: 20190422 Address after: 066000 North Second Ring 398, Haigang District, Qinhuangdao City, Hebei Province Patentee after: Qinhuangdao Gaopeng Foam Plastics Co.,Ltd. Address before: 325024 No. 22 Lane 6, Dongzhong Street, Haibin Street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: Sun Jingjie |
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Denomination of invention: An anti mold sponge material and its preparation method Effective date of registration: 20230814 Granted publication date: 20190405 Pledgee: Qinhuangdao Bank Co.,Ltd. Head Office Business Department Pledgor: Qinhuangdao Gaopeng Foam Plastics Co.,Ltd. Registration number: Y2023980051970 |
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