CN109627517A - Acid and alkali-resistance emgloves and its preparation process - Google Patents
Acid and alkali-resistance emgloves and its preparation process Download PDFInfo
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0055—Plastic or rubber gloves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to a kind of preparation processes of acid and alkali-resistance emgloves, include the following steps: to immerse fingerprint after pretreatment in the latex that temperature is 25-27 DEG C, fingerprint after impregnation is formed under the conditions of 50-65 DEG C forms glue film, the ammonium hydroxide that fingerprint with glue film uses temperature for 23-25 DEG C and pH value is 9-10 carries out leaching, is dried under conditions of 55-70 DEG C later；Vulcanized under conditions of 75-90 DEG C, then cold water of the temperature not higher than 35 DEG C, chlorine water of the temperature not higher than 45 DEG C, temperature are sequentially immersed not higher than 45 DEG C and pH value is the potassium hydroxide aqueous solution of 8-10, most obtain the acid and alkali-resistance emgloves through releasing process afterwards.The invention further relates to a kind of acid and alkali-resistance emgloves, are prepared by the preparation process of above-mentioned acid and alkali-resistance emgloves.Acid and alkali-resistance emgloves compactness is good, and being impregnated in strong acid and strong base still has excellent osmotic-pressure-tolerant.
Description
Technical field
The present invention relates to a kind of heavy industry gloves, more specifically, it is related to a kind of acid and alkali-resistance emgloves and its preparation work
Skill.
Background technique
Heavy industry gloves refer to applied to highly intensive labour or have one of specific demand environment safety and industrial gloves, general
Applied in heavy industry, such as: petrochemical industry, mining industry etc. can be also applied in some environment for having specific demand, example
Such as: laboratory, hospital.The gloves emphasize comprehensive protection for hand, therefore are needing to have good wear-resisting, resistance to tear
Split, impermeable and puncture resistance while, higher requirement also proposed to the performance of oil resistant and chemicals-resistant.
Existing butyronitrile latex gloves practices well is certain by being added mainly using single nitrile rubber latex as raw material
The presulfurization agent of amount carries out presulfurization, accepts method using ion and carries out coating film forming, and after conventional molding procedure, by hand
Set demoulding is made, and no powder product also carries out conventional overturning, chlorination, cleaning, rinsing process.
The conventional acrylonitrile butadiene glove produced in the prior art contains the substances such as sulphur, zinc oxide, needs by high temperature sulphur
Chemical conversion type and the tiny defect generated, when contacting the substances such as chemical solvent, these defects easily cause the risk of solvent leakage.
In addition, the compactness of conventional acrylonitrile butadiene glove is poor, poor corrosion resistance, these defects easily cause the risk of solvent leakage.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of preparation work of acid and alkali-resistance emgloves
Skill, the acid and alkali-resistance emgloves compactness being prepared by it is good, and being impregnated in strong acid and strong base still has excellent osmotic-pressure-tolerant.
Above-mentioned technical purpose of the invention has the technical scheme that
The preparation process of acid and alkali-resistance emgloves, includes the following steps:
The preparation of aqueous surfactant solution: surfactant 1-2 parts by weight and soft water 8-9 parts by weight are uniformly mixed to obtain surface
Aqueous surfactant solutions；
The preparation of sodium aluminate aqueous solution: being 25.95-26.05%'s by sodium chlorate 1.5-1.6 parts by weight, weight percent concentration
Ammonium hydroxide 4.8-4.9 parts by weight and soft water 23-24 parts by weight are uniformly mixed to obtain sodium aluminate aqueous solution；
The preparation of aqueous coagulant solution: calcium nitrate 380-385 parts by weight are dipped in soft water 1470-1475 parts by weight completely
Melt, be warming up to 80-90 DEG C under stiring and keep the temperature 20-40 minute, be down to room temperature, be added light calcium part 117-123 parts by weight with
Curing agent 21-27 parts by weight stir 20-30 hours, obtain aqueous coagulant solution；
The preparation of vulcanization accelerator dispersion: it will include vulcanization accelerator 170-180 parts by weight, potassium hydroxide 3-4 parts by weight, divide
Ground 25-30 hours of the mixture of powder 21-25 parts by weight and soft water 148-149 parts by weight obtains vulcanization accelerator dispersion；
It aoxidizes the preparation of zinc dispersion: will include zinc oxide 170-180 parts by weight, dispersing agent 11-12 parts by weight and soft water 163-
Ground 8-10 hours of the mixture of 164 parts by weight must aoxidize zinc dispersion；
The preparation of titanium dioxide aqueous solution: titanium dioxide 1-2 parts by weight and soft water 1-2 parts by weight are uniformly mixed to obtain titanium dioxide
Aqueous solution；
The preparation of light calcium carbonate powder dispersion: will include light calcium carbonate powder 28-32 parts by weight, dispersing agent 6.5-7.0 parts by weight, potassium hydroxide 1-
Ground 25-30 hours of the mixture of 2 parts by weight and soft water 60-65 parts by weight obtains light calcium carbonate powder dispersion；
The preparation of anti-aging agent dispersion: will include anti-aging agent 135-145 parts by weight, dispersing agent 20-25 parts by weight, potassium hydroxide
Ground 25-30 hours of the mixture of 3.0-4.0 parts by weight and soft water 180-185 parts by weight obtains anti-aging agent dispersion；
The preparation of defoaming agent aqueous solution: defoaming agent 0.5-1.0 parts by weight and soft water 9.0-9.5 parts by weight are uniformly mixed to obtain defoaming
Agent aqueous solution；
The preparation of latex: under agitation, it is added sequentially aqueous surfactant solution into modified NBR latex, is then added
Sodium aluminate aqueous solution, aqueous coagulant solution, vulcanization accelerator dispersion, oxidation zinc dispersion, titanium dioxide aqueous solution, light calcium carbonate powder
Dispersion, anti-aging agent dispersion, defoaming agent aqueous solution and soft water are simultaneously uniformly mixed, and adjust pH to 9.7-10 using ammonium hydroxide later,
Obtain the latex；Based on parts by weight, modified NBR latex 90-110 parts, 0.5-1.0 parts of aqueous surfactant solution, sodium aluminate
2.0-2.5 parts of aqueous solution, 1.0-1.1 parts of aqueous coagulant solution, 0.5-1.0 parts of vulcanization accelerator dispersion, oxidation zinc dispersion
0.2-0.3 parts, 1.1-1.3 parts of titanium dioxide aqueous solution, 0.3-0.4 parts of light calcium carbonate powder dispersion, anti-aging agent dispersion 0.9-1.1
Part, 2.9-3.0 parts of defoaming agent aqueous solution, 80-90 parts of soft water；
The pretreatment of fingerprint: fingerprint is sequentially immersed to the potassium hydroxide water that aqueous solution of nitric acid, pH value that pH value is 1-3 are 11-13
After solution, by spray process, then fingerprint immerses the calcium chloride that temperature is 55-65 DEG C and weight percent concentration is 8-10%
Preheating procedure is carried out in aqueous solution, immerses the calcium chloride water that temperature is 48-50 DEG C and weight percent concentration is 18-27%
Middle formation solidifies oxidant layer, later dry solidification oxidant layer under the conditions of 80-95 DEG C；
The preparation of acid and alkali-resistance emgloves: fingerprint is immersed in the latex that temperature is 25-27 DEG C, the fingerprint after impregnation is in 50-65
Sizing forms glue film under the conditions of DEG C, and the ammonium hydroxide that the fingerprint with glue film uses temperature for 23-25 DEG C and pH value is 9-10 is dripped
Filter, is dried under conditions of 55-70 DEG C later；Vulcanized under conditions of 75-90 DEG C, then sequentially immerses temperature not
Cold water, temperature higher than 35 DEG C are not higher than 45 DEG C not higher than 45 DEG C of chlorine water, temperature and pH value is water-soluble for the potassium hydroxide of 8-10
Liquid most obtains the acid and alkali-resistance emgloves through releasing process afterwards.
Further, the surfactant is anionic surfactant Dowfax2A1.
Further, the curing agent is 810 epoxy curing agents and Sunmide315 polyamide ring that weight ratio is 1:2
Oxygen curing agent.
Further, the vulcanization accelerator is zinc dibutyl dithiocarbamate.
Further, the anti-aging agent is anti-aging agent Wingstay-L.
Further, the defoaming agent is defoaming agent SP-813.
Further, the preparation of vulcanization accelerator dispersion, aoxidize the preparation of zinc dispersion, the preparation of light calcium carbonate powder dispersion and
Dispersing agent described in the preparation of anti-aging agent dispersion is sodium methylene bis-naphthalene sulfonate.
Further, the modified NBR latex is prepared using following methods: including octamethylcy-clotetrasiloxane, trifluoro propyl
Trimethyl cyclotrisiloxane, dodecyl benzene sulfonic acid, OP-10 emulsifier and water mixture, under 80-90 DEG C, stirring condition
Reaction obtains organic silicon-fluorine lotion in 2-4 hours, based on parts by weight, 30-40 parts of octamethylcy-clotetrasiloxane, trifluoro propyl front three
8-10 parts of basic ring trisiloxanes, 0.1-1 parts of dodecyl benzene sulfonic acid, 3-5 parts of OP-10 emulsifier, 20-30 parts of water；It will include fourth
Organic silicon-fluorine lotion and weight percent concentration is added dropwise to 90-100 DEG C in the mixed material heating of nitrile latex, stabilizer and coupling agent
It is initiator solution simultaneously insulation reaction 3-5 hours of 10-20%, pH to 8-9 is adjusted using ammonium hydroxide later, obtains the modified fourth
Nitrile latex, based on parts by weight, 3-5 parts of 90-100 parts of NBR latex, 0.15-0.2 parts of stabilizer and coupling agent, organic silicon-fluorine cream
20-30 parts of liquid and weight percent concentration are 10-15 parts of initiator solution of 10-20%.
Further, the stabilizer is that α-isotridecyl-ω-hydroxyl-is poly- (oxygen -1,2- ethylidene)；The coupling
Agent is selected from aminopropyl triethoxysilane, glycidyl ester oxy propyl trimethoxysilane, methacryloxypropyl three
Methoxy silane, vinyltriethoxysilane, vinyltriethoxysilane, mercaptopropyltriethoxysilane, mercapto propyl three
Methoxy silane, ethylenediaminepropyltriethoxysilane, one or more of ethylenediamine hydroxypropyl methyl dimethoxysilane；Institute
It states initiator and is selected from one or more of ammonium persulfate, sodium peroxydisulfate, potassium peroxydisulfate.
The object of the invention is also to provide a kind of acid and alkali-resistance emgloves, have.The advantages of.
Above-mentioned technical purpose of the invention has the technical scheme that
Acid and alkali-resistance emgloves and its preparation process are prepared by the preparation process of above-mentioned acid and alkali-resistance emgloves.
In conclusion the invention has the following advantages:
The first, acid and alkali-resistance emgloves provided by the invention has good wearability, anti-cut, tear resistance and anti-wears
Thorn property.
The second, acid and alkali-resistance emgloves provided by the invention also has the not property revealed, and shows using provided by the invention resistance to
The acid and alkali-resistance emgloves compactness that the preparation process of soda acid emgloves is prepared is good, even across high temperature vulcanized molding work
Skill, gained acid and alkali-resistance emgloves do not generate tiny defect, still have good compactness.
Third, acid and alkali-resistance emgloves provided by the invention still have excellent resistance to infiltration by strong acid and highly basic dipping
Property, this is because the present invention is modified NBR latex, improve acid and alkali-resistance emgloves resistance to acid and alkali.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment 1
The preparation of aqueous surfactant solution: the anionic surfactant Dowfax2A1 of 1Kg and soft water 9Kg are uniformly mixed
Obtain aqueous surfactant solution.
The preparation of sodium aluminate aqueous solution: by sodium chlorate 1.58Kg, weight percent concentration be 26% ammonium hydroxide 4.85Kg and
Soft water 23.57Kg is uniformly mixed to obtain sodium aluminate aqueous solution.
The preparation of aqueous coagulant solution: being dipped to complete thawing for calcium nitrate 383.84Kg in soft water 1472.116Kg,
It is warming up to 85 DEG C under stiring and keeps the temperature 30 minutes, is down to room temperature, light calcium part 120Kg, 810 epoxy curing agent 8Kg is added
With Sunmide315 daiamid epoxy curing agent 16Kg, stirs 24 hours, obtain aqueous coagulant solution.
The preparation of vulcanization accelerator dispersion: will include zinc dibutyl dithiocarbamate 175Kg, potassium hydroxide
Obtain within the mixture of 3.5Kg, sodium methylene bis-naphthalene sulfonate 23Kg and soft water 148.5Kg ground 30 hours vulcanization accelerator dispersion
Body.
It aoxidizes the preparation of zinc dispersion: will include zinc oxide 175Kg, sodium methylene bis-naphthalene sulfonate 11.7Kg and soft water
Zinc dispersion must be aoxidized within the mixture of 163.3Kg ground 8 hours.
The preparation of titanium dioxide aqueous solution: titanium dioxide 1Kg and soft water 1Kg is uniformly mixed to obtain titanium dioxide aqueous solution.
The preparation of light calcium carbonate powder dispersion: will include light calcium carbonate powder 30Kg, sodium methylene bis-naphthalene sulfonate 6.667Kg, potassium hydroxide
Obtain light calcium carbonate powder dispersion within the mixture of 1Kg and soft water 62.333Kg ground 30 hours.
The preparation of anti-aging agent dispersion: by anti-aging agent Wingstay-L, sodium methylene bis-naphthalene sulfonate comprising 140Kg
Obtain anti-aging agent dispersion within the mixture of 23.33Kg, potassium hydroxide 3.5Kg and soft water 183.17Kg ground 30 hours.
The preparation of defoaming agent aqueous solution: the defoaming agent SP-813 of 0.5Kg and soft water 9.5Kg is uniformly mixed to obtain defoaming agent water
Solution.
Modified NBR latex is prepared using following methods: including octamethylcy-clotetrasiloxane 30Kg, trifluoro propyl trimethyl
The mixture of cyclotrisiloxane 10Kg, dodecyl benzene sulfonic acid 0.1Kg, OP-10 emulsifier 3Kg and water 20Kg, in 80 DEG C, stirring
Under the conditions of react 4 hours and obtain organic silicon-fluorine lotion；It will be poly- comprising NBR latex 100Kg, α-isotridecyl-ω-hydroxyl-
Organic silicon-fluorine cream is added dropwise to 90 DEG C in the mixed material heating of (oxygen -1,2- ethylidene) 0.2Kg and mercaptopropyltriethoxysilane 4Kg
The ammonium persulfate aqueous solution 15Kg that liquid 25Kg and weight percent concentration are 10% simultaneously insulation reaction 5 hours, ammonium hydroxide was used later
PH to 9 is adjusted, the modified NBR latex is obtained.
The preparation of latex: under agitation, aqueous surfactant solution is added sequentially into modified NBR latex 100Kg
Then sodium aluminate aqueous solution 2.247Kg, aqueous coagulant solution 1.0382Kg, vulcanization accelerator dispersion is added in 0.78Kg
0.7262Kg, oxidation zinc dispersion 0.234Kg, titanium dioxide aqueous solution 1.178Kg, light calcium carbonate powder dispersion 0.338Kg, anti-aging agent
Dispersion 1.004Kg, defoaming agent aqueous solution 2.964Kg and soft water 85Kg are simultaneously uniformly mixed, later using ammonium hydroxide adjust pH to
9.7-10 obtaining the latex.
The pretreatment of fingerprint: it is water-soluble that fingerprint is sequentially immersed to the potassium hydroxide that aqueous solution of nitric acid, pH value that pH value is 1 are 13
After liquid, by spray process, then fingerprint immerses in the calcium chloride water that temperature is 55 DEG C and weight percent concentration is 9%
Preheating procedure is carried out, immerses in the calcium chloride water that temperature is 59 DEG C and weight percent concentration is 20% and forms coagulator
Layer, it is dry under the conditions of 90 DEG C later to solidify oxidant layer.
The preparation of acid and alkali-resistance emgloves: fingerprint is immersed in the latex that temperature is 26 DEG C, the fingerprint after impregnation is at 50 DEG C
Under the conditions of sizing form glue film, the progress leaching of the fingerprint with glue film use temperature for 23 DEG C and pH value is 10 ammonium hydroxide, later
It is dried under conditions of 70 DEG C；Vulcanized under conditions of 90 DEG C, it is cold not higher than 35 DEG C then sequentially to immerse temperature
The chlorine water of water, temperature not higher than 45 DEG C, temperature are not higher than 45 DEG C and potassium hydroxide aqueous solution that pH value is 10, most afterwards through stripper
Skill obtains the acid and alkali-resistance emgloves.
Embodiment 2
The preparation of aqueous surfactant solution: the anionic surfactant Dowfax2A1 of 1Kg and soft water 8Kg are uniformly mixed
Obtain aqueous surfactant solution.
The preparation of sodium aluminate aqueous solution: by sodium chlorate 1.5Kg, weight percent concentration be 25.95% ammonium hydroxide 4.9Kg and
Soft water 23Kg is uniformly mixed to obtain sodium aluminate aqueous solution.
The preparation of aqueous coagulant solution: calcium nitrate 380Kg is dipped to complete thawing in soft water 1475Kg, under stiring
Be warming up to 90 DEG C and keep the temperature 20 minutes, be down to room temperature, be added light calcium part 123Kg, 810 epoxy curing agent 7Kg and
Sunmide315 daiamid epoxy curing agent 14Kg stirs 20 hours, obtains aqueous coagulant solution.
The preparation of vulcanization accelerator dispersion: will comprising zinc dibutyl dithiocarbamate 170Kg, potassium hydroxide 4Kg,
Ground 25-30 hours of the mixture of sodium methylene bis-naphthalene sulfonate 25Kg and soft water 148Kg obtains vulcanization accelerator dispersion.
It aoxidizes the preparation of zinc dispersion: will include zinc oxide 170Kg, sodium methylene bis-naphthalene sulfonate 12Kg and soft water 164Kg
Must aoxidize zinc dispersion within mixture ground 9 hours.
The preparation of titanium dioxide aqueous solution: titanium dioxide 1Kg and soft water 2Kg is uniformly mixed to obtain titanium dioxide aqueous solution.
The preparation of light calcium carbonate powder dispersion: will include light calcium carbonate powder 28Kg, sodium methylene bis-naphthalene sulfonate 7.0Kg, potassium hydroxide 2Kg
Light calcium carbonate powder dispersion was obtained with mixture ground 25 hours of soft water 60Kg.
The preparation of anti-aging agent dispersion: by anti-aging agent Wingstay-L, sodium methylene bis-naphthalene sulfonate comprising 135Kg
Obtain anti-aging agent dispersion within the mixture of 25Kg, potassium hydroxide 3.0Kg and soft water 185Kg ground 28 hours.
The preparation of defoaming agent aqueous solution: the defoaming agent SP-813 of 0.75Kg and soft water 9.5Kg is uniformly mixed to obtain defoaming agent
Aqueous solution.
Modified NBR latex is prepared using following methods: including octamethylcy-clotetrasiloxane 35Kg, trifluoro propyl trimethyl
The mixture of cyclotrisiloxane 9Kg, dodecyl benzene sulfonic acid 0.5Kg, OP-10 emulsifier 4Kg and water 25Kg, in 85 DEG C, stirring
Under the conditions of react 3 hours and obtain organic silicon-fluorine lotion；It will be poly- comprising NBR latex 90Kg, α-isotridecyl-ω-hydroxyl-
The mixed material heating of (oxygen -1,2- ethylidene) 0.17Kg and glycidyl ester oxy propyl trimethoxysilane 3Kg to 100 DEG C,
It is small for 20% ammonium persulfate aqueous solution 10Kg and insulation reaction 3 that organic silicon-fluorine lotion 30Kg and weight percent concentration is added dropwise
When, pH to 8 is adjusted using ammonium hydroxide later, obtains the modified NBR latex.
The preparation of latex: under agitation, aqueous surfactant solution is added sequentially into modified NBR latex 90Kg
Then sodium aluminate aqueous solution 2.0Kg, aqueous coagulant solution 1.0Kg, vulcanization accelerator dispersion 0.5Kg, oxidation is added in 1.0Kg
Zinc dispersion 0.2Kg, titanium dioxide aqueous solution 1.1Kg, light calcium carbonate powder dispersion 0.4Kg, anti-aging agent dispersion 1.1Kg, defoaming agent
Aqueous solution 3.0Kg and soft water 80Kg is simultaneously uniformly mixed, and is adjusted pH to 9.7-10 using ammonium hydroxide later, is obtained the latex.
The pretreatment of fingerprint: it is water-soluble that fingerprint is sequentially immersed to the potassium hydroxide that aqueous solution of nitric acid, pH value that pH value is 2 are 12
After liquid, by spray process, then fingerprint immerses in the calcium chloride water that temperature is 60 DEG C and weight percent concentration is 8%
Preheating procedure is carried out, immerses in the calcium chloride water that temperature is 50 DEG C and weight percent concentration is 27% and forms coagulator
Layer, it is dry under the conditions of 95 DEG C later to solidify oxidant layer.
The preparation of acid and alkali-resistance emgloves: fingerprint is immersed in the latex that temperature is 25 DEG C, the fingerprint after impregnation is at 65 DEG C
Under the conditions of sizing form glue film, the progress leaching of the fingerprint with glue film use temperature for 24 DEG C and pH value is 9 ammonium hydroxide, Zhi Hou
It is dried under conditions of 60 DEG C；Vulcanized under conditions of 75 DEG C, then sequentially immerse temperature not higher than 35 DEG C cold water,
Chlorine water of the temperature not higher than 45 DEG C, temperature are not higher than 45 DEG C and pH value is 8 potassium hydroxide aqueous solution, most obtain afterwards through releasing process
To the acid and alkali-resistance emgloves.
Embodiment 3
The preparation of aqueous surfactant solution: the anionic surfactant Dowfax2A1 of 2Kg and soft water 9Kg are uniformly mixed
Obtain aqueous surfactant solution.
The preparation of sodium aluminate aqueous solution: by sodium chlorate 1.6Kg, weight percent concentration be 26.05% ammonium hydroxide 4.8Kg and
Soft water 24Kg is uniformly mixed to obtain sodium aluminate aqueous solution.
The preparation of aqueous coagulant solution: calcium nitrate 385Kg is dipped to complete thawing in soft water 1470Kg, under stiring
Be warming up to 80 DEG C and keep the temperature 40 minutes, be down to room temperature, be added light calcium part 117Kg, 810 epoxy curing agent 9Kg and
Sunmide315 daiamid epoxy curing agent 18Kg stirs 30 hours, obtains aqueous coagulant solution.
The preparation of vulcanization accelerator dispersion: will comprising zinc dibutyl dithiocarbamate 180Kg, potassium hydroxide 3Kg,
Ground 25-30 hours of the mixture of sodium methylene bis-naphthalene sulfonate 21Kg and soft water 149Kg obtains vulcanization accelerator dispersion.
It aoxidizes the preparation of zinc dispersion: will include zinc oxide 180Kg, sodium methylene bis-naphthalene sulfonate 11Kg and soft water 163Kg
Must aoxidize zinc dispersion within mixture ground 10 hours.
The preparation of titanium dioxide aqueous solution: titanium dioxide 2Kg and soft water 1Kg is uniformly mixed to obtain titanium dioxide aqueous solution.
The preparation of light calcium carbonate powder dispersion: will include light calcium carbonate powder 32Kg, sodium methylene bis-naphthalene sulfonate 6.5-Kg, potassium hydroxide
Obtain light calcium carbonate powder dispersion within the mixture of 1Kg and soft water 65Kg ground 28 hours.
The preparation of anti-aging agent dispersion: by anti-aging agent Wingstay-L, sodium methylene bis-naphthalene sulfonate comprising 145Kg
Obtain anti-aging agent dispersion within the mixture of 20Kg, potassium hydroxide 4.0Kg and soft water 180Kg ground 25 hours.
The preparation of defoaming agent aqueous solution: the defoaming agent SP-813 of 1.0Kg and soft water 9.0Kg is uniformly mixed to obtain defoaming agent water
Solution.
Modified NBR latex is prepared using following methods: including octamethylcy-clotetrasiloxane 40Kg, trifluoro propyl trimethyl
The mixture of cyclotrisiloxane 8Kg, dodecyl benzene sulfonic acid 1Kg, OP-10 emulsifier 5Kg and water 30Kg, in 90 DEG C, stirring bar
It is reacted 2 hours under part and obtains organic silicon-fluorine lotion；It will include NBR latex 95Kg, α-poly- (oxygen-of isotridecyl-ω-hydroxyl-
1,2- ethylidene) 0.15Kg and aminopropyl triethoxysilane 5Kg mixed material heating to 95 DEG C, organic silicon-fluorine lotion is added dropwise
The ammonium persulfate aqueous solution 12.5Kg that 20Kg and weight percent concentration are 15% simultaneously insulation reaction 4 hours, ammonium hydroxide was used later
PH to 8.5 is adjusted, the modified NBR latex is obtained.
The preparation of latex: under agitation, aqueous surfactant solution is added sequentially into modified NBR latex 110Kg
Then sodium aluminate aqueous solution 2.5Kg, aqueous coagulant solution 1.1Kg, vulcanization accelerator dispersion 1.0Kg, oxidation is added in 0.5Kg
Zinc dispersion 0.3Kg, titanium dioxide aqueous solution 1.3Kg, light calcium carbonate powder dispersion 0.3Kg, anti-aging agent dispersion 0.9Kg, defoaming agent
Aqueous solution 2.9Kg and soft water 90Kg is simultaneously uniformly mixed, and is adjusted pH to 9.7-10 using ammonium hydroxide later, is obtained the latex.
The pretreatment of fingerprint: it is water-soluble that fingerprint is sequentially immersed to the potassium hydroxide that aqueous solution of nitric acid, pH value that pH value is 3 are 11
After liquid, by spray process, then fingerprint immerses the calcium chloride water that temperature is 65 DEG C and weight percent concentration is 10%
Middle carry out preheating procedure immerses in the calcium chloride water that temperature is 48 DEG C and weight percent concentration is 18% and forms coagulator
Layer, it is dry under the conditions of 80 DEG C later to solidify oxidant layer.
The preparation of acid and alkali-resistance emgloves: fingerprint is immersed in the latex that temperature is 27 DEG C, the fingerprint after impregnation is at 60 DEG C
Under the conditions of sizing form glue film, the progress leaching of the fingerprint with glue film use temperature for 25 DEG C and pH value is 9.5 ammonium hydroxide, later
It is dried under conditions of 55 DEG C；Vulcanized under conditions of 80 DEG C, it is cold not higher than 35 DEG C then sequentially to immerse temperature
The chlorine water of water, temperature not higher than 45 DEG C, temperature are not higher than 45 DEG C and potassium hydroxide aqueous solution that pH value is 9, most afterwards through stripper
Skill obtains the acid and alkali-resistance emgloves.
Comparative example
Comparative example the difference from embodiment 1 is that, modified NBR latex is replaced with into NBR latex.
Standard regulation according to AQ6102-2007 " acidproof (alkali) gloves " provides embodiment 1-3 and comparative example acidproof
Alkali emgloves carries out performance detection, and testing result is shown in Table 1.
Table 1
As it can be seen from table 1 acid and alkali-resistance emgloves provided by the invention has good wearability, anti-cut, tear-proof
Property and puncture resistance.Acid and alkali-resistance emgloves provided by the invention also has the not property revealed, and shows using provided by the invention
The acid and alkali-resistance emgloves compactness that the preparation process of acid and alkali-resistance emgloves is prepared is good, even across high temperature vulcanized molding
Technique, gained acid and alkali-resistance emgloves do not generate tiny defect, still have good compactness.It is provided by the invention acidproof
Alkali emgloves still has excellent osmotic-pressure-tolerant by strong acid and highly basic dipping, this is because the present invention carries out NBR latex
Modification, improves acid and alkali-resistance emgloves resistance to acid and alkali.
It should be understood that preparation method described in the embodiment of the present invention is only used for illustrating the present invention, rather than to this
The limitation of invention belongs to the simple modifications of preparation method of the present invention under concept thereof of the invention claimed
Range.
Claims (10)
1. the preparation process of acid and alkali-resistance emgloves, which comprises the steps of:
The preparation of aqueous surfactant solution: surfactant 1-2 parts by weight and soft water 8-9 parts by weight are uniformly mixed to obtain surface
Aqueous surfactant solutions；
The preparation of sodium aluminate aqueous solution: by sodium chlorate 1.5-1.6 parts by weight, the ammonia that weight percent concentration is 25.95-26.05%
Water 4.8-4.9 parts by weight and soft water 23-24 parts by weight are uniformly mixed to obtain sodium aluminate aqueous solution；
The preparation of aqueous coagulant solution: calcium nitrate 380-385 parts by weight are dipped in soft water 1470-1475 parts by weight completely
Melt, be warming up to 80-90 DEG C under stiring and keep the temperature 20-40 minute, be down to room temperature, be added light calcium part 117-123 parts by weight with
Curing agent 21-27 parts by weight stir 20-30 hours, obtain aqueous coagulant solution；
The preparation of vulcanization accelerator dispersion: it will include vulcanization accelerator 170-180 parts by weight, potassium hydroxide 3-4 parts by weight, divide
Ground 25-30 hours of the mixture of powder 21-25 parts by weight and soft water 148-149 parts by weight obtains vulcanization accelerator dispersion；
It aoxidizes the preparation of zinc dispersion: will include zinc oxide 170-180 parts by weight, dispersing agent 11-12 parts by weight and soft water 163-
Ground 8-10 hours of the mixture of 164 parts by weight must aoxidize zinc dispersion；
The preparation of titanium dioxide aqueous solution: titanium dioxide 1-2 parts by weight and soft water 1-2 parts by weight are uniformly mixed to obtain titanium dioxide
Aqueous solution；
The preparation of light calcium carbonate powder dispersion: will include light calcium carbonate powder 28-32 parts by weight, dispersing agent 6.5-7.0 parts by weight, potassium hydroxide 1-
Ground 25-30 hours of the mixture of 2 parts by weight and soft water 60-65 parts by weight obtains light calcium carbonate powder dispersion；
The preparation of anti-aging agent dispersion: will include anti-aging agent 135-145 parts by weight, dispersing agent 20-25 parts by weight, potassium hydroxide
Ground 25-30 hours of the mixture of 3.0-4.0 parts by weight and soft water 180-185 parts by weight obtains anti-aging agent dispersion；
The preparation of defoaming agent aqueous solution: defoaming agent 0.5-1.0 parts by weight and soft water 9.0-9.5 parts by weight are uniformly mixed to obtain defoaming
Agent aqueous solution；
The preparation of latex: under agitation, it is added sequentially aqueous surfactant solution into modified NBR latex, is then added
Sodium aluminate aqueous solution, aqueous coagulant solution, vulcanization accelerator dispersion, oxidation zinc dispersion, titanium dioxide aqueous solution, light calcium carbonate powder
Dispersion, anti-aging agent dispersion, defoaming agent aqueous solution and soft water are simultaneously uniformly mixed, and adjust pH to 9.7-10 using ammonium hydroxide later,
Obtain the latex；Based on parts by weight, modified NBR latex 90-110 parts, 0.5-1.0 parts of aqueous surfactant solution, sodium aluminate
2.0-2.5 parts of aqueous solution, 1.0-1.1 parts of aqueous coagulant solution, 0.5-1.0 parts of vulcanization accelerator dispersion, oxidation zinc dispersion
0.2-0.3 parts, 1.1-1.3 parts of titanium dioxide aqueous solution, 0.3-0.4 parts of light calcium carbonate powder dispersion, anti-aging agent dispersion 0.9-1.1
Part, 2.9-3.0 parts of defoaming agent aqueous solution, 80-90 parts of soft water；
The pretreatment of fingerprint: fingerprint is sequentially immersed to the potassium hydroxide water that aqueous solution of nitric acid, pH value that pH value is 1-3 are 11-13
After solution, by spray process, then fingerprint immerses the calcium chloride that temperature is 55-65 DEG C and weight percent concentration is 8-10%
Preheating procedure is carried out in aqueous solution, immerses the calcium chloride water that temperature is 48-50 DEG C and weight percent concentration is 18-27%
Middle formation solidifies oxidant layer, later dry solidification oxidant layer under the conditions of 80-95 DEG C；
The preparation of acid and alkali-resistance emgloves: fingerprint is immersed in the latex that temperature is 25-27 DEG C, the fingerprint after impregnation is in 50-65
Sizing forms glue film under the conditions of DEG C, and the ammonium hydroxide that the fingerprint with glue film uses temperature for 23-25 DEG C and pH value is 9-10 is dripped
Filter, is dried under conditions of 55-70 DEG C later；Vulcanized under conditions of 75-90 DEG C, then sequentially immerses temperature not
Cold water, temperature higher than 35 DEG C are not higher than 45 DEG C not higher than 45 DEG C of chlorine water, temperature and pH value is water-soluble for the potassium hydroxide of 8-10
Liquid most obtains the acid and alkali-resistance emgloves through releasing process afterwards.
2. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that the surfactant is
Anionic surfactant Dowfax2A1.
3. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that the curing agent is weight
Than 810 epoxy curing agents and Sunmide315 daiamid epoxy curing agent for 1:2.
4. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that the vulcanization accelerator is
Zinc dibutyl dithiocarbamate.
5. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that the anti-aging agent is anti-old
Agent Wingstay-L.
6. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that the defoaming agent is defoaming
Agent SP-813.
7. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that vulcanization accelerator dispersion
Preparation, aoxidize zinc dispersion preparation, the preparation of light calcium carbonate powder dispersion and the preparation of anti-aging agent dispersion described in dispersing agent
For sodium methylene bis-naphthalene sulfonate.
8. the preparation process of acid and alkali-resistance emgloves according to claim 1, which is characterized in that the modified NBR latex
It is prepared using following methods: comprising octamethylcy-clotetrasiloxane, trifluoro propyl trimethyl cyclotrisiloxane, detergent alkylate sulphur
The mixture of acid, OP-10 emulsifier and water, reacts 2-4 hours under 80-90 DEG C, stirring condition and obtains organic silicon-fluorine lotion, with
Parts by weight meter, 30-40 parts of octamethylcy-clotetrasiloxane, 8-10 parts of trifluoro propyl trimethyl cyclotrisiloxane, detergent alkylate
0.1-1 parts of sulfonic acid, 3-5 parts of OP-10 emulsifier, 20-30 parts of water；By the mixture comprising NBR latex, stabilizer and coupling agent
It is heated to 90-100 DEG C, organic silicon-fluorine lotion and weight percent concentration is added dropwise as the initiator solution of 10-20% and is kept the temperature anti-
It answers 3-5 hours, pH to 8-9 is adjusted using ammonium hydroxide later, obtains the modified NBR latex, based on parts by weight, NBR latex 90-
3-5 parts of 100 parts, 0.15-0.2 parts of stabilizer and coupling agent, 20-30 parts of organic silicon-fluorine lotion and weight percent concentration are 10-
10-15 parts of 20% initiator solution.
9. the preparation process of acid and alkali-resistance emgloves according to claim 8, which is characterized in that the stabilizer is that α-is different
Tridecyl-omega-hydroxy-is poly- (oxygen -1,2- ethylidene)；The coupling agent is selected from aminopropyl triethoxysilane, glycidol
It is confused oxygroup propyl trimethoxy silicane, methacryloxypropyl trimethoxy silane, vinyltriethoxysilane, ethylene
Ethyl triethoxy silicane alkane, mercaptopropyltriethoxysilane, mercaptopropyl trimethoxysilane, ethylenediaminepropyltriethoxysilane,
One or more of ethylenediamine hydroxypropyl methyl dimethoxysilane；The initiator is selected from ammonium persulfate, sodium peroxydisulfate, over cure
One or more of sour potassium.
10. acid and alkali-resistance emgloves and its preparation process, which is characterized in that resistance to as described in any one of claim 1 to 9
The preparation process of soda acid emgloves is prepared.
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| CN110746620A (en) * | 2019-11-25 | 2020-02-04 | 李军 | Natural latex rubber gloves |
| CN110815690A (en) * | 2019-10-15 | 2020-02-21 | 广州双一乳胶制品有限公司 | Mass production preparation process of novel gas-proof acid-alkali-resistant molded gloves |
| CN111253639A (en) * | 2020-04-01 | 2020-06-09 | 山东星宇手套有限公司 | Preparation method of environment-friendly thermosensitive butyronitrile protective gloves |
| CN112778589A (en) * | 2020-12-29 | 2021-05-11 | 金发科技股份有限公司 | Anti-aging butyronitrile material and application thereof |
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