CN105949776A - Anti-microbial and anti-mildew steaming pad - Google Patents

Anti-microbial and anti-mildew steaming pad Download PDF

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Publication number
CN105949776A
CN105949776A CN201610412770.6A CN201610412770A CN105949776A CN 105949776 A CN105949776 A CN 105949776A CN 201610412770 A CN201610412770 A CN 201610412770A CN 105949776 A CN105949776 A CN 105949776A
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additive
mixing
parts
mildew
preparation process
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庄加松
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Fengyang Jiasong New Materials Co Ltd
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Fengyang Jiasong New Materials Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses an anti-microbial and anti-mildew steaming pad. The anti-microbial and anti-mildew steaming pad comprises glass fiber cloth and a mixed silica gel layer wrapping the surface of the glass fiber cloth. The mixed silica gel layer is prepared from, by weight, 50-70 parts of siloxane simethicone, 10-20 parts of hydroxyl silicone oil, 15-25 parts of dimethoxydimethylsilane, 20-30 parts of titanium dioxide, 5-10 parts of talcum powder, 6-8 parts of an additive, 5-7 parts of trioctyl citrate, 0.01-0.03 part of an organoplatinum complex and 2-4 parts of paraffin oil. In the preparation process of the additive, chitosan is dissolved in an acetic acid aqueous solution, ethyl alcohol is added and mixed evenly, benzaldehyde is dropwise added, the mixture is heated, stirred and subjected to reduced pressure distillation, and a material A is obtained; the material A is purified, and a material B is obtained; the material B, L-lactide and stannous octoate are added into petroleum ether and mixed evenly, the mixture is heated under the nitrogen atmosphere, stirred in a heat preservation mode and purified, and a material C is obtained; the material C is added into a hydrochloric acid aqueous solution to be soaked, the mixture is filtered, a filter cake is taken, and the additive is obtained.

Description

A kind of antibacterial anti-mildew steams pad
Technical field
The present invention relates to silica gel and steam pad technical field, particularly relate to a kind of antibacterial anti-mildew and steam pad.
Background technology
Silica gel steam pad due to have nontoxic, odorlessness, cold-resistant high temperature resistant, there is microcellular structure, specific surface area Greatly, low price, the advantage such as it is difficult to stick and is widely used in the manufacturing process of wheaten food, but silicon The mechanical performance of glue is relatively low, silica gel can be made to steam pad breakage, be chronically at during doing the wash frequently, bending In the environment that humidity is higher so that silica gel steams and pads easy breed bacteria, mouldy.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of antibacterial anti-mildew and steams pad, the present invention Antibacterial, fungus resistance good, mechanical performance is high.
The antibacterial anti-mildew of one that the present invention proposes steams pad, including: glass fabric be coated on glass fabric The mixing layer of silica gel on surface；
Wherein, the raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 50-70 part, hydroxyl Base silicone oil 10-20 part, dimethyldimethoxysil,ne 15-25 part, titanium dioxide 20-30 part, Pulvis Talci 5-10 Part, additive 6-8 part, trioctyl lemon acid 5-7 part, organic platinum complex 0.01-0.03 part, paraffin Oil 2-4 part；
In the preparation process of additive, dissolve the chitosan in aqueous acetic acid, add ethanol mixing, Dropping benzaldehyde, heats up, stirring, and decompression distillation obtains material A；Purifying mass A obtains material B；By thing Material B, L-lactide, stannous octoate add mixing in petroleum ether, under nitrogen atmosphere, heat up, insulated and stirred, It is cooled to room temperature, after adding chloroform mixing, adds precipitant mixing, take washing of precipitate, be dried to obtain Material C；Material C is added in aqueous hydrochloric acid solution and soaks, cross leaching filter cake, washing, be dried to obtain additive.
Preferably, glass fabric is with mesh, and wherein the aperture of mesh is 3-5mm.
Preferably, every square metre of glass fabric is coated with the mixing layer of silica gel of 150-250g.
Preferably, in the preparation process of additive, dissolve the chitosan in aqueous acetic acid, add second Alcohol mixes, and drips benzaldehyde, is warming up to 50-60 DEG C, stirs 20-24h, and decompression distillation obtains material A；With Washing with alcohol material A removes benzaldehyde, is dried to obtain material B；By material B, L-lactide, stannous octoate Add in petroleum ether and mix, under nitrogen atmosphere, be warming up to 125-135 DEG C, insulated and stirred 20-24h, cold But, to room temperature, after adding chloroform mixing, add precipitant mixing, take precipitation, with washing with acetone, very Sky is dried to obtain material C；Material C is added in aqueous hydrochloric acid solution and soak 3-4h, cross leaching filter cake, use water Washing, is dried to obtain additive.
Preferably, in the preparation process of additive, dissolving the chitosan in mass fraction is 4-6wt% acetic acid In aqueous solution, add ethanol mixing, drip benzaldehyde, drip complete in 1h, constantly stir during dropping Mixing, be warming up to 50-60 DEG C, stir 20-24h, decompression distillation obtains material A；Remove by washing with alcohol material A Remove benzaldehyde, be dried to obtain material B；Material B, L-lactide, stannous octoate are added mixing in petroleum ether, Under nitrogen atmosphere, it is warming up to 125-135 DEG C, insulated and stirred 20-24h, it is cooled to room temperature, adds trichlorine After methane mixing, adding precipitant mixing, take precipitation, with washing with acetone, vacuum drying obtains material C；Will Material C adds immersion 3-4h in aqueous hydrochloric acid solution, crosses leaching filter cake, washes with water, and vacuum drying is pulverized Additive is obtained to 200-300 mesh.
Preferably, in the preparation process of additive, in material A, chitosan, aqueous acetic acid, ethanol, Benzaldehyde weight ratio is 3-4:150-200:60-80:15-20.
Preferably, in the preparation process of additive, material B, L-lactide, the weight ratio of stannous octoate are 0.8-1.2:7-10:0.004-0.006.
Preferably, in the preparation process of additive, precipitant is ethanol.
Preferably, in the preparation process of additive, in aqueous hydrochloric acid solution, the volume ratio of hydrochloric acid and water is 1: 1-1.5。
Preferably, in the preparation process of additive, the weight ratio of material C and aqueous hydrochloric acid solution is 1-2: 20-30。
Above-mentioned siloxanes dimethicone, hydroxy silicon oil, dimethyldimethoxysil,ne, titanium dioxide, Talcum Powder, trioctyl lemon acid, paraffin oil are food stage.
Above-mentioned water is deionized water.
In the preparation process of above-mentioned additive, in material B, the effect of ethanol is washing, does not specify its consumption, Its consumption is determined according to concrete operations.
In the preparation process of above-mentioned additive, in material C, petroleum ether as reaction dissolvent, chloroform Effect is to dissolve product, and the effect of precipitant is to promote product precipitation, and the effect of acetone is washing, Do not specify their consumption, determine its consumption according to concrete operations.
In the preparation process of above-mentioned additive, the effect of water is washing, does not specify its consumption, according to concrete behaviour Make to determine its consumption.
Above-mentioned antibacterial anti-mildew steams the preparation method of pad: by siloxanes dimethicone, hydroxy silicon oil, diformazan Base dimethoxysilane, titanium dioxide, Pulvis Talci, additive, trioctyl lemon acid, paraffin oil mix, and add Entering organic platinum complex, be warming up to 100 DEG C, stirring 1h obtains mixture；Mixture is coated on glass fibers Dimension cloth surface, is warming up to 150 DEG C, vulcanizes 5min, is warming up to 210 DEG C, is incubated 4h, and sterilizing obtains antibacterial Anti-mildew steams pad.
The present invention selects benzaldehyde and chitosan reaction to obtain material A so that the amino on chitosan has been protected Come, then under the effect of octoate catalyst stannous, react with L-lactide, the carboxyl on L-lactide with Hydroxyl bonding on chitosan, L-lactide self occurs polyreaction to generate polylactic acid so that polylactic acid connects Branch is on chitosan, then through HCl treatment so that the amino on chitosan comes out and obtains additive； Chitosan has good antibiotic property and does not has toxicity, polylactic acid have good mechanical performance, breathability, Fungus resistance, there is no toxicity, polylactic acid can increase additive and siloxanes dimethicone, hydroxy silicon oil, The compatibility of dimethyldimethoxysil,ne, the additive containing amino can be sent out with the hydroxyl on hydroxy silicon oil Raw bonding, so that additive is combined closely with silica gel, thus considerably increases antibacterial, the anti-mildew of the present invention Property and mechanical performance；Additive and titanium dioxide cooperate can increase the antibiotic property of the present invention further；Titanium White lead, Pulvis Talci, additive, glass fibre cooperate can increase the mechanical performance of the present invention further； Trioctyl lemon acid is plasticizer, can increase this further while keeping mechanical strength of the present invention Bright resist bending performance；Titanium dioxide can also increase the anti-ultraviolet property of the present invention；Paraffin oil can increase The rheological performance of the present invention.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of antibacterial anti-mildew steams pad, including: glass fabric and the mixing silicon being coated on glass fabric surface Glue-line；
Wherein, the raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 60 parts, hydroxyl silicon Oil 15 parts, dimethyldimethoxysil,ne 20 parts, titanium dioxide 25 parts, Pulvis Talci 7 parts, additive 7 parts, Trioctyl lemon acid 6 parts, organic platinum complex 0.02 part, paraffin oil 3 parts；
In the preparation process of additive, dissolve the chitosan in aqueous acetic acid, add ethanol mixing, Dropping benzaldehyde, heats up, stirring, and decompression distillation obtains material A；Purifying mass A obtains material B；By thing Material B, L-lactide, stannous octoate add mixing in petroleum ether, under nitrogen atmosphere, heat up, insulated and stirred, It is cooled to room temperature, after adding chloroform mixing, adds precipitant mixing, take washing of precipitate, be dried to obtain Material C；Material C is added in aqueous hydrochloric acid solution and soaks, cross leaching filter cake, washing, be dried to obtain additive.
Embodiment 2
A kind of antibacterial anti-mildew steams pad, including: glass fabric and the mixing silicon being coated on glass fabric surface Glue-line, wherein, glass fabric is with mesh, and wherein the aperture of mesh is 3mm, every square metre of glass fibre The mixing layer of silica gel of 250g it is coated with on cloth；
The raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 50 parts, hydroxy silicon oil 20 Part, dimethyldimethoxysil,ne 15 parts, titanium dioxide 30 parts, Pulvis Talci 5 parts, additive 8 parts, lemon Lemon acid three monooctyl ester 5 parts, organic platinum complex 0.03 part, paraffin oil 2 parts；
In the preparation process of additive, dissolving the chitosan in mass fraction is in 6wt% aqueous acetic acid, Add ethanol mixing, drip benzaldehyde, drip complete in 1h, be stirred continuously during dropping, be warming up to 50 DEG C, stirring 24h, decompression distillation obtains material A, wherein, and chitosan, aqueous acetic acid, ethanol, benzene Formaldehyde weight ratio is 3:200:60:20；Remove benzaldehyde by washing with alcohol material A, be dried to obtain material B；Material B, L-lactide, stannous octoate are added mixing in petroleum ether, under nitrogen atmosphere, is warming up to 125 DEG C, insulated and stirred 24h, it is cooled to room temperature, after adding chloroform mixing, adds ethanol mixing, take Precipitation, with washing with acetone, vacuum drying obtains material C, wherein, material B, L-lactide, stannous octoate Weight ratio be 0.8:10:0.004；Material C is added in aqueous hydrochloric acid solution and soaks 4h, cross leaching filter cake, Wash with water, vacuum drying, be crushed to 200 mesh and obtain additive, wherein, in aqueous hydrochloric acid solution, hydrochloric acid Being 1:1.5 with the volume ratio of water, the weight ratio of material C and aqueous hydrochloric acid solution is 1:30.
Embodiment 3
A kind of antibacterial anti-mildew steams pad, including: glass fabric and the mixing silicon being coated on glass fabric surface Glue-line, wherein, glass fabric is with mesh, and wherein the aperture of mesh is 5mm, every square metre of glass fibre The mixing layer of silica gel of 150g it is coated with on cloth；
The raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 70 parts, hydroxy silicon oil 10 Part, dimethyldimethoxysil,ne 25 parts, titanium dioxide 20 parts, Pulvis Talci 10 parts, additive 6 parts, lemon Lemon acid three monooctyl ester 7 parts, organic platinum complex 0.01 part, paraffin oil 4 parts；
In the preparation process of additive, dissolving the chitosan in mass fraction is in 4wt% aqueous acetic acid, Add ethanol mixing, drip benzaldehyde, drip complete in 1h, be stirred continuously during dropping, be warming up to 60 DEG C, stirring 20h, decompression distillation obtains material A, wherein, and chitosan, aqueous acetic acid, ethanol, benzene Formaldehyde weight ratio is 4:150:80:15；Remove benzaldehyde by washing with alcohol material A, be dried to obtain material B；Material B, L-lactide, stannous octoate are added mixing in petroleum ether, under nitrogen atmosphere, is warming up to 135 DEG C, insulated and stirred 20h, it is cooled to room temperature, after adding chloroform mixing, adds ethanol mixing, take Precipitation, with washing with acetone, vacuum drying obtains material C, wherein, material B, L-lactide, stannous octoate Weight ratio be 1.2:7:0.006；Material C is added in aqueous hydrochloric acid solution and soaks 3h, cross leaching filter cake, Wash with water, vacuum drying, be crushed to 300 mesh and obtain additive, wherein, in aqueous hydrochloric acid solution, hydrochloric acid Being 1:1 with the volume ratio of water, the weight ratio of material C and aqueous hydrochloric acid solution is 1:10.
Embodiment 4
A kind of antibacterial anti-mildew steams pad, including: glass fabric and the mixing silicon being coated on glass fabric surface Glue-line, wherein, glass fabric is with mesh, and wherein the aperture of mesh is 3.5mm, every square metre of glass fibers The mixing layer of silica gel of Wei Bu upper cladding 220g；
The raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 55 parts, hydroxy silicon oil 17 Part, dimethyldimethoxysil,ne 17 parts, titanium dioxide 28 parts, Pulvis Talci 6 parts, additive 7.5 parts, Trioctyl lemon acid 5.5 parts, organic platinum complex 0.025 part, paraffin oil 2.5 parts；
In the preparation process of additive, dissolving the chitosan in mass fraction is in 4.5wt% aqueous acetic acid, Add ethanol mixing, drip benzaldehyde, drip complete in 1h, be stirred continuously during dropping, be warming up to 57 DEG C, stirring 21h, decompression distillation obtains material A, wherein, and chitosan, aqueous acetic acid, ethanol, benzene Formaldehyde weight ratio is 3.8:160:75:16；Remove benzaldehyde by washing with alcohol material A, be dried to obtain thing Material B；Material B, L-lactide, stannous octoate are added mixing in petroleum ether, under nitrogen atmosphere, heats up To 132 DEG C, insulated and stirred 21h, it is cooled to room temperature, after adding chloroform mixing, adds ethanol mixing, Taking precipitation, with washing with acetone, vacuum drying obtains material C, and wherein, material B, L-lactide, octanoic acid are sub- The weight ratio of stannum is 1.1:8:0.0055；Material C is added in aqueous hydrochloric acid solution and soak 3.2h, cross leaching Filter cake, washes with water, vacuum drying, is crushed to 300 mesh and obtains additive, wherein, in aqueous hydrochloric acid solution, The volume ratio of hydrochloric acid and water is 1:1.2, and the weight ratio of material C and aqueous hydrochloric acid solution is 1.7:22.
Embodiment 5
A kind of antibacterial anti-mildew steams pad, including: glass fabric and the mixing silicon being coated on glass fabric surface Glue-line, wherein, glass fabric is with mesh, and wherein the aperture of mesh is 4.5mm, every square metre of glass fibers The mixing layer of silica gel of Wei Bu upper cladding 180g；
The raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 65 parts, hydroxy silicon oil 13 Part, dimethyldimethoxysil,ne 23 parts, titanium dioxide 22 parts, Pulvis Talci 8 parts, additive 6.5 parts, Trioctyl lemon acid 6.5 parts, organic platinum complex 0.015 part, paraffin oil 3.5 parts；
In the preparation process of additive, dissolving the chitosan in mass fraction is in 5.5wt% aqueous acetic acid, Add ethanol mixing, drip benzaldehyde, drip complete in 1h, be stirred continuously during dropping, be warming up to 53 DEG C, stirring 23h, decompression distillation obtains material A, wherein, and chitosan, aqueous acetic acid, ethanol, benzene Formaldehyde weight ratio is 3.2:180:65:18；Remove benzaldehyde by washing with alcohol material A, be dried to obtain thing Material B；Material B, L-lactide, stannous octoate are added mixing in petroleum ether, under nitrogen atmosphere, heats up To 128 DEG C, insulated and stirred 23h, it is cooled to room temperature, after adding chloroform mixing, adds ethanol mixing, Taking precipitation, with washing with acetone, vacuum drying obtains material C, and wherein, material B, L-lactide, octanoic acid are sub- The weight ratio of stannum is 0.9:9:0.0045；Material C is added in aqueous hydrochloric acid solution and soak 3.8h, cross leaching Filter cake, washes with water, vacuum drying, is crushed to 200 mesh and obtains additive, wherein, in aqueous hydrochloric acid solution, The volume ratio of hydrochloric acid and water is 1:1.4, and the weight ratio of material C and aqueous hydrochloric acid solution is 1.3:28.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention Within the scope of.

Claims (10)

1. an antibacterial anti-mildew steams pad, it is characterised in that including: glass fabric and be coated on glass fibre The mixing layer of silica gel on cloth surface；
Wherein, the raw material of mixing layer of silica gel includes by weight: siloxanes dimethicone 50-70 part, hydroxyl Base silicone oil 10-20 part, dimethyldimethoxysil,ne 15-25 part, titanium dioxide 20-30 part, Pulvis Talci 5-10 Part, additive 6-8 part, trioctyl lemon acid 5-7 part, organic platinum complex 0.01-0.03 part, paraffin Oil 2-4 part；
In the preparation process of additive, dissolve the chitosan in aqueous acetic acid, add ethanol mixing, Dropping benzaldehyde, heats up, stirring, and decompression distillation obtains material A；Purifying mass A obtains material B；By thing Material B, L-lactide, stannous octoate add mixing in petroleum ether, under nitrogen atmosphere, heat up, and insulation is stirred Mix, be cooled to room temperature, after adding chloroform mixing, add precipitant mixing, take washing of precipitate, be dried Obtain material C；Material C is added in aqueous hydrochloric acid solution and soaks, cross leaching filter cake, washing, be dried to obtain Additive.
The most antibacterial anti-mildew steam pad, it is characterised in that glass fabric with mesh, Wherein the aperture of mesh is 3-5mm.
Antibacterial anti-mildew the most according to claim 1 or claim 2 steams pad, it is characterised in that every square metre of glass fibers The mixing layer of silica gel of Wei Bu upper cladding 150-250g.
4. steam pad according to antibacterial anti-mildew described in any one of claim 1-3, it is characterised in that at additive In preparation process, dissolve the chitosan in aqueous acetic acid, add ethanol mixing, drip benzaldehyde, rise Temperature, to 50-60 DEG C, stirs 20-24h, and decompression distillation obtains material A；Benzene is removed by washing with alcohol material A Formaldehyde, is dried to obtain material B；Material B, L-lactide, stannous octoate are added mixing in petroleum ether, Under nitrogen atmosphere, it is warming up to 125-135 DEG C, insulated and stirred 20-24h, it is cooled to room temperature, adds three chloromethanes After alkane mixing, adding precipitant mixing, take precipitation, with washing with acetone, vacuum drying obtains material C；Will Material C adds immersion 3-4h in aqueous hydrochloric acid solution, crosses leaching filter cake, washes with water, be dried to obtain additive.
5. steam pad according to antibacterial anti-mildew described in any one of claim 1-4, it is characterised in that at additive In preparation process, dissolving the chitosan in mass fraction is in 4-6wt% aqueous acetic acid, adds ethanol mixing, Dropping benzaldehyde, drips complete in 1h, is stirred continuously during dropping, be warming up to 50-60 DEG C, stirring 20-24h, decompression distillation obtains material A；Remove benzaldehyde by washing with alcohol material A, be dried to obtain material B； Material B, L-lactide, stannous octoate are added mixing in petroleum ether, under nitrogen atmosphere, is warming up to 125-135 DEG C, insulated and stirred 20-24h, it is cooled to room temperature, after adding chloroform mixing, adds precipitation Agent mixes, and takes precipitation, and with washing with acetone, vacuum drying obtains material C；Material C is added hydrochloric acid water-soluble Liquid soaks 3-4h, crosses leaching filter cake, wash with water, vacuum drying, it is crushed to 200-300 mesh and is added Add agent.
6. steam pad according to antibacterial anti-mildew described in any one of claim 1-5, it is characterised in that at additive In preparation process, in material A, chitosan, aqueous acetic acid, ethanol, benzaldehyde weight ratio are 3-4: 150-200:60-80:15-20.
7. steam pad according to antibacterial anti-mildew described in any one of claim 1-6, it is characterised in that at additive In preparation process, material B, L-lactide, the weight ratio of stannous octoate are 0.8-1.2:7-10: 0.004-0.006。
8. steam pad according to antibacterial anti-mildew described in any one of claim 1-7, it is characterised in that at additive In preparation process, precipitant is ethanol.
9. steam pad according to antibacterial anti-mildew described in any one of claim 1-8, it is characterised in that at additive In preparation process, in aqueous hydrochloric acid solution, the volume ratio of hydrochloric acid and water is 1:1-1.5.
10. steam pad according to antibacterial anti-mildew described in any one of claim 1-9, it is characterised in that at additive Preparation process in, the weight ratio of material C and aqueous hydrochloric acid solution is 1-2:20-30.
CN201610412770.6A 2016-06-06 2016-06-06 Anti-microbial and anti-mildew steaming pad Pending CN105949776A (en)

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CN108822552A (en) * 2018-07-10 2018-11-16 长沙浩然医疗科技有限公司 A kind of Nipple of a feeding bottle silica gel material and preparation method thereof
CN111534065A (en) * 2020-05-11 2020-08-14 陈建华 C-N codoped TiO2Nano-tube modified polylactic acid antibacterial film and preparation method thereof

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