CN102532431B - Separant of nano antibacterial rubber gloves and preparation method of separant - Google Patents
Separant of nano antibacterial rubber gloves and preparation method of separant Download PDFInfo
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- CN102532431B CN102532431B CN 201110449960 CN201110449960A CN102532431B CN 102532431 B CN102532431 B CN 102532431B CN 201110449960 CN201110449960 CN 201110449960 CN 201110449960 A CN201110449960 A CN 201110449960A CN 102532431 B CN102532431 B CN 102532431B
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Abstract
The invention relates to a separant of nano antibacterial rubber gloves and a preparation method of the separant. The separant comprises the following reactants in percent by weight: 8.0-40.0% of silicon oil containing double unsaturated bonds, 1-5% of unsaturated fatty acid, 3.0-18.0% of nano TiO2 grout (the content of TiO2 is 60%), 5.0-21.0% of acrylic acid (methacrylic acid) and 5.0-30.0% of acrylate (methacrylate). The preparation method comprises the following steps of: adding 0.5-8.0% of initiator, adopting 0.5-2.5% of nonionic surfactant and 0.1-1.5% of anionic surfactant to form a complex emulsifying agent for emulsification, and in deionized water, synthesizing polysiloxane emulsion for the separant of the rubber gloves. The preparation method has the advantages that the unsaturated fatty acid and the nano TiO2 grout are reacted with the silicon oil containing unsaturated double bonds, the acrylic acid, the acrylic ester and the like through emulsion polymerization to synthesize the polysiloxane emulsion for the rubber gloves, so that the smooth effect of the rubber gloves is more ideal, a large part of organic pollutants, bacteria and moulds can be decomposed into harmless substances such as CO2 and H2O, and the inhibitory action is stronger especially for the bacteria such as staphylococcus and escherichiacoli.
Description
Technical field
The present invention relates to a kind of separant and preparation method thereof, be specifically related to a kind of nano antibacterial rubber gloves separant and preparation method thereof, particularly has antibacterial, sterilizing function, and the adhesion effect between separant and the rubber, isolation effect are good, and the rubber gloves smooth satisfactory for result during wearing is with separant and preparation method thereof.
Background technology
Therefore rubber gloves has autohension, is difficult for taking off wearing, and it need to be designed to the surface smooth and be easy to take off the gloves of wearing.Carried out in this respect a large amount of research and developments abroad, experienced from the powder gloves being arranged to the developmental stage of powder-free gloves.In recent years, powder-free gloves coating non-sticky aqueous-based polymers emulsion comes into one's own.The aquogel polymer that is suitable for making non-sticky rubber article slip coating mainly contains Polyvinylpyrolidone (PVP), polyvinyl lactam or poly hydroxy ethyl acrylate etc.U.S. Podell in 1974 have proposed the concept of powder-free rubber finger gloves for the first time, namely are coated with one deck hydrogel resin at the ordinary glove internal surface, and strengthen the oilness of coat with silicone resin, and coat and gloves matrix are bonded into an integral body.The CRC Manufacturing Co., Ltd of Britain in 1982 and Podell joint research have solved hydrogel coating on rubber matrix after the bonding key issue, and it is ripe that the production technology of powder-free rubber finger gloves just is tending towards, and realized suitability for industrialized production in 1984.The domestic a few thing of also having done in this respect mainly is to utilize modified polyurethane emulsion, poly-carbamyl sodium sulfonate surface treatment liquid or ACRYLIC EMULSION by obtaining smooth coating with monomer copolymerizations such as the monomer esters of acrylic acid of low surface energy and methacrylic esters.The application of these novel high polymer hydrogels makes smooth gloves obtain good development, but the smooth degree of gloves is still waiting further raising.
Adopt the emgloves product of novel surface treatment technology only to play buffer action, and can isolate hand and extraneous contacting, have again antibacterial, sterilizing function, the domestic research that does not yet have this respect does not also appear in the gloves product that hand skin is played maintenance function.Nano-TiO
2Have good photocatalytic activity, chemical stability is high, and is harmless to human-body safety, cost is low, is a kind of desirable inorganic antiseptic, TiO
2After the optical excitation about wavelength 365nm, the electronics on its valence band will be excited to conduction band, forms hole and optical excitation electronics with high oxidation activity, and with on every side H
2O and O
2Reaction generates OH and O
2-At TiO
2The OH of Surface Creation and O
2-Group has extremely strong oxidation capacity, can make majority of organic pollutants and bacterium, mould be decomposed into CO
2And H
2The innoxious substances such as O particularly have stronger restraining effect to bacteriums such as streptococcus aureus (Staphylococcus), intestinal bacteria (Escherichia coli), subtilises (Bacillus subtilis).At the finely dispersed nano-TiO of glove surface release agent coating
2, will make gloves have preferably antibacterial and germicidal action, isolation effect is better.
Summary of the invention
The objective of the invention is in order to remedy the deficiency of prior art existence, a kind of antibacterial, sterilizing function that has is provided, and the adhesion effect between separant and the rubber, isolation effect are good, and the rubber gloves smooth satisfactory for result during wearing is with separant and preparation method thereof.
For achieving the above object, the technical scheme taked of the present invention is: the silicone oil 8.0 ~ 40.0%, unsaturated fatty acids 1 ~ 5%, the TiO that contain unsaturated double-bond
2Content is 60% nano-TiO
2Slurries 3.0 ~ 18.0%, acrylic or methacrylic acid 5.0 ~ 21.0% and acrylate or methacrylic ester 5.0 ~ 30.0% are reactant, add 0.5 ~ 8.0% initiator, form compound emulsifying agent with 0.5 ~ 2.5% nonionogenic tenside and 0.1 ~ 1.5% anion surfactant and carry out emulsification, by the synthetic polysiloxane emulsion that is used for the rubber gloves separant of following technique, described percentage composition is the quality percentage composition with deionized water:
Concrete synthetic method is as follows:
(1) nano-TiO
2The slurries preparation
The dispersion agent of 0.01 ~ 0.8 g is joined in the water of 3.0 ~ 60.0g, mix the commercially available TiO of rear adding 5.0～60.0g
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries, for subsequent use;
(2) emulsifying agent Hybrid Heating
Prolong, Dropping feeder are being housed, electric stirring, add in the four-hole boiling flask of thermometer deionized water and nonionogenic tenside and anion surfactant total amount 70%, the nano-TiO that makes of step (1)
2Be heated to 75 ~ 80 ℃ under the slurries, agitation condition, it is blue that solution is;
(3) mixing of reaction monomers
To contain 30% of nonionogenic tenside remaining in silicone oil, unsaturated fatty acids, acrylic or methacrylic acid, acrylate or methacrylic ester and (2) of unsaturated double-bond and anion surfactant total amount mixes, rapid stirring makes uniform mix monomer pre-emulsion (I);
(4) preparation of initiator
Quantitative initiator is made into the aqueous solution with deionized water, and the consumption of aqueous solvent is advisable dissolving initiator fully, makes solution (II);
(5) emulsion copolymerization is synthetic
Mixed solution in (2) is warming up to 75 ~ 80 ℃, the monomer pre-emulsion of disposable adding 1/4 (I), after continuing to stir 25 ~ 35 minutes, beginning slowly drips remaining monomer pre-emulsion (I) and initiator solution (II), is controlled in 2 ~ 3h to drip off, and monomer pre-emulsion (I) slightly is later than initiator solution (II) and drips off, reaction is cooled to 50 ℃ after finishing, regulate pH value 7 ~ 8 with ammoniacal liquor, filter, obtain being polysiloxane emulsion with the uniform liquid of blue light.
The described silicone oil that contains unsaturated double-bond comprises vinyl silicone oil, vinylformic acid silicone oil.
Described unsaturated fatty acids refers to oleic acid, linolic acid, linolenic acid, arachidonic acid.
Described acrylate refers to methyl acrylate, ethyl propenoate, butyl acrylate, Hydroxyethyl acrylate, 2-phenoxyethyl acrylate, ethoxy ethoxy ethyl propylene acid esters, ring TriMethylolPropane(TMP) methylal〔Su〕 acrylate, stearyl alcohol acrylate; Described methacrylic ester nail base ethyl propenoate, butyl methacrylate, Propenoic acid, 2-methyl, isobutyl ester, cyclohexyl methacrylate, Isooctyl methacrylate.
Described nonionogenic tenside refers to polyoxyethylene nonylphenol ether series emulsifier op-4, OP-7, OP-9, OP-10, OP-13, OP-15, OP-20, OP-30, OP-40, OP-50; Sapn series emulsifier sorbitol acid anhydride mono-laurate (Arlacel-20), sorbitol anhydride monopalmitate (Arlacel-40), (Arlacel-60), sorbitan mono-oleic acid ester (Arlacel-80), SPAN85 (Arlacel-85); Twain series emulsifier Tween-20 (tween 20), polyoxyethylene sorbitol acid anhydride monopalmitate (Tween-40), polyoxyethylene sorbitan monostearate (Tween-60), polyoxyethylenesorbitan sorbitan monooleate (tween-80).
Described anion surfactant refers to sodium laurylsulfonate, Sodium dodecylbenzene sulfonate.
Described nano-TiO
2Slurries prepare as follows: after mixing at first that an amount of dispersion agent adding is an amount of water, add 40.0 ~ 70.0%TiO
2Mix and be ground to fineness and namely get nano-TiO less than 100 nanometers
2Slurries.
Described initiator refer to Potassium Persulphate, persulfuric acid by.
Described dispersion agent refers to the dispersion agent Disponer W-18(alkyl polyoxyethylene ether that moral modest company in Taiwan produces), Disponer W-511(sodium polyacrylate), Disponer W-518(ammonium polyacrylate).
The advantage of invention:
The present invention proposes by unsaturated fatty acids, nano-TiO
2Slurries also are used for the rubber gloves separant with the silicone oil that contains unsaturated double-bond, vinylformic acid, acrylate etc. by the synthetic polysiloxane emulsion of letex polymerization, and it is better that fatty acid structure, polysiloxane structure will make the smooth effect of rubber gloves in the emulsion; Simultaneously, nano-TiO
2Slurries participate in the emulsion polymerization process, make polymkeric substance be combined in the surface of nanoparticle with the form of chemical bond, are uniformly dispersed, stable composite emulsion, and make nano-TiO
2Dispersion effect is better, nano-TiO
2Existence also strengthened and applied the bonding of sealing coat and gloves matrixes.TiO
2Be commonly called as titanium white, have good photocatalytic activity, chemical stability is high, and is harmless to human-body safety, cost is low, is a kind of desirable inorganic antiseptic, TiO
2After the optical excitation about wavelength 365nm, the electronics on its valence band will be excited to conduction band, forms hole and optical excitation electronics with high oxidation activity, and with on every side H
2O and O
2Reaction generates OH and O
2-At TiO
2The OH of Surface Creation and O
2-Group has extremely strong oxidation capacity, can make majority of organic pollutants and bacterium, mould be decomposed into CO
2And H
2The innoxious substances such as O particularly have stronger restraining effect to bacteriums such as streptococcus aureus (Staphylococcus), intestinal bacteria (Escherichia coli), subtilises (Bacillus subtilis).At the finely dispersed nano-TiO of glove surface release agent coating
2, will make gloves have preferably antibacterial and germicidal action, isolation effect is better.
Description of drawings
Fig. 1 is by the synthetic polysiloxane emulsion of preceding method and the infrared spectrogram of vinylformic acid silicone oil monomer;
Fig. 2 is that the silicon Acrylote oil-contg is 8% emulsion nano results of grain size analysis;
Fig. 3 is to be 8% emulsion microphotograph by the synthetic silicon Acrylote oil-contg of preceding method;
The hot analytical results of Fig. 4 emulsion polymer (1: silicon Acrylote oil-contg 6%; 2: silicon Acrylote oil-contg 12%; 3: silicon Acrylote oil-contg 30%).
Embodiment
Below by embodiment the present invention is described in further details, these embodiment only are used for illustrating the present invention, do not limit the scope of the invention.
One, nano-TiO
2The slurries preparation:
Raw material and proportioning:
Commercially available TiO
26.0g
Disponer W-18 0.1g
Water 3.9g
Preparation technology:
Disponer W-18 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Two, the preparation of rubber gloves separant polysiloxane emulsion:
Raw material and proportioning:
Vinylformic acid silicone oil 8.0%
β-dimethyl-aminoethylmethacrylate 10.0 %
Vinylformic acid 5.0%
Nano-TiO
2Slurries (TiO
2Content 60%) 3.0%
Ammonium persulphate 0.5%
Sodium dodecylbenzene sulfonate 0.1%
OP-10 0.5%
Surplus is deionized water;
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, OP-10, nano-TiO
2Slurries, Sodium dodecylbenzene sulfonate are heated to 75 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With vinylformic acid, β-dimethyl-aminoethylmethacrylate, vinylformic acid silicone oil, linolic acid, an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative ammonium persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 75 ℃, the vinylformic acid silicone oil of disposable adding 1/4 and acrylate mixing liquid, after continuing to stir 30 minutes, beginning slowly drip solution (I) with (II), be controlled in the 2h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 7 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Embodiment 2
Raw material and proportioning:
Commercially available TiO
250.0g
Disponer W-511 0.5g
Water 49.5g
Preparation technology:
Disponer W-511 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinyl silicone oil 20.0%
Hydroxyethyl acrylate 25.0%
Methacrylic acid 20.0%
Linolenic acid 1.5%
Nano-TiO
2Slurries (TiO
2Content 60%) 15.0%
Potassium Persulphate 7.0%
Sodium laurylsulfonate 0.7%
Tween-60 2.0%
Surplus is deionized water;
Preparation technology:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds the deionized water of calculated amount in the four-hole boiling flask of thermometer, Tween-60, and sodium laurylsulfonate is heated to 80 ℃ under the nano TiO 2 slurry agitation.
2, the mixing of reaction monomers
With vinyl silicone oil, Hydroxyethyl acrylate, methacrylic acid, linolenic acid and an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I).
3, the preparation of initiator
Quantitative Potassium Persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II).
4, emulsion copolymerization is synthetic
Emulsifying agent mixed being warming up to 80 ℃, the mixed solution of the vinyl silicone oil of disposable adding 1/4 and Hydroxyethyl acrylate etc., after continuing to stir 25 minutes, beginning slowly drips solution (I) and (II), is controlled in the 3h and drips off (I slightly is later than II and drips off).Reaction is cooled to 50 ℃ after finishing, and regulates pH value 8 with ammoniacal liquor, filters, and discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Embodiment 3
Raw material and proportioning:
Commercially available TiO
210g
Disponer W-518 0.01g
Water 10g
Preparation technology:
Disponer W-518 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinylformic acid silicone oil 15%
Oleic acid 2.0%
TiO
2Content is 60% nano-TiO
2Slurries 5.0%
Vinylformic acid 10%
Methyl acrylate or ethyl propenoate or butyl acrylate or Hydroxyethyl acrylate 15%
Potassium sulfite 1.5%
OP-4 or OP-7 or OP-9 or OP-10 or OP-13 1.0%
Sodium laurylsulfonate 0.5%
Surplus is deionized water.
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, OP-4 or OP-7 or OP-9 or OP-10 or OP-13, nano-TiO
2Slurries, sodium laurylsulfonate are heated to 75 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With vinylformic acid, methyl acrylate or ethyl propenoate or butyl acrylate or Hydroxyethyl acrylate, vinylformic acid silicone oil, oleic acid, an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative Potassium Persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 75 ℃, the vinylformic acid silicone oil of disposable adding 1/4 and methyl acrylate or ethyl propenoate or butyl acrylate or Hydroxyethyl acrylate mixed solution, after continuing to stir 25 minutes, beginning slowly drip solution (I) with (II), be controlled in the 2h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 7.5 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Embodiment 4
Raw material and proportioning:
Commercially available TiO
220g
Disponer W-511 0.2g
Water 20g
Preparation technology:
Disponer W-511 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinyl silicone oil 20%
Arachidonic acid 2.5%
TiO
2Content is 60% nano-TiO
2Slurries 8.0%
Methacrylic acid 15%
2-phenoxyethyl acrylate or ethoxy ethoxy ethyl propylene acid esters or ring TriMethylolPropane(TMP) methylal〔Su〕 acrylate or stearyl alcohol acrylate 20%
Ammonium persulphate 2.0%
OP-15 or OP-20 or OP-30 or OP-40 or OP-50
1.5%
Sodium dodecylbenzene sulfonate 0.8%
Surplus is deionized water.
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, OP-15 or OP-20 or OP-30 or OP-40 or OP-50, nano-TiO
2Slurries, Sodium dodecylbenzene sulfonate are heated to 80 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With methacrylic acid, 2-phenoxyethyl acrylate or ethoxy ethoxy ethyl propylene acid esters or ring TriMethylolPropane(TMP) methylal〔Su〕 acrylate or stearyl alcohol acrylate, vinyl silicone oil, arachidonic acid, an amount of compound emulsifying agent mix, rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative ammonium persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 80 ℃, the vinyl silicone oil of disposable adding 1/4 and 2-phenoxyethyl acrylate or ethoxy ethoxy ethyl propylene acid esters or ring TriMethylolPropane(TMP) methylal〔Su〕 acrylate or stearyl alcohol acrylate mixing liquid, after continuing to stir 30 minutes, beginning slowly drip solution (I) with (II), be controlled in the 2.5h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 8 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Embodiment 5
Raw material and proportioning:
Commercially available TiO
230g
Disponer W-518 0.3g
Water 30g
Preparation technology:
Disponer W-518 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinylformic acid silicone oil 25%
Oleic acid 3.0%
TiO
2Content is 60% nano-TiO
2Slurries 10.0%
Vinylformic acid 16%
β-dimethyl-aminoethylmethacrylate or butyl methacrylate 23%
Ammonium persulphate 4.0%
Arlacel-20, Arlacel-40, Arlacel-60 1.7%
Sodium laurylsulfonate 1.0%
Surplus is deionized water.
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, Arlacel-20, Arlacel-40, Arlacel-60, nano-TiO
2Slurries, sodium laurylsulfonate are heated to 80 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With vinylformic acid, β-dimethyl-aminoethylmethacrylate or butyl methacrylate, vinylformic acid silicone oil, oleic acid, an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative ammonium persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 80 ℃, the vinylformic acid silicone oil of disposable adding 1/4 and β-dimethyl-aminoethylmethacrylate or butyl methacrylate mixed solution, after continuing to stir 30 minutes, beginning slowly drip solution (I) with (II), be controlled in the 2h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 8 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Embodiment 6
Raw material and proportioning:
Commercially available TiO
240g
Disponer W-18 0.4g
Water 40g
Preparation technology:
Disponer W-18 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinyl silicone oil 30%
Linolic acid 3.5%
TiO
2Content is 60% nano-TiO
2Slurries 13.0%
Methacrylic acid 18%
Propenoic acid, 2-methyl, isobutyl ester 25%
Potassium Persulphate 6.0%
Arlacel-80, Arlacel-85 2.0%
Sodium dodecylbenzene sulfonate 1.2%
Surplus is deionized water.
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, Arlacel-80, Arlacel-85, nano-TiO
2Slurries, Sodium dodecylbenzene sulfonate are heated to 75 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With methacrylic acid, Propenoic acid, 2-methyl, isobutyl ester, vinyl silicone oil, linolic acid, an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative Potassium Persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 75 ℃, the vinyl silicone oil of disposable adding 1/4 and Propenoic acid, 2-methyl, isobutyl ester mixed solution, after continuing to stir 30 minutes, beginning slowly drip solution (I) with (II), be controlled in the 3h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 7 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Embodiment 7
Raw material and proportioning:
Commercially available TiO
250g
Disponer W-511 0.6g
Water 50g
Preparation technology:
Disponer W-511 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinylformic acid silicone oil 35%
Linolenic acid 4.0%
TiO
2Content is 60% nano-TiO
2Slurries 15.0%
Vinylformic acid 20%
Cyclohexyl methacrylate 27%
Potassium Persulphate 7.0%
Tween 20 or Tween-40 2.3%
Sodium laurylsulfonate 1.4%
Surplus is deionized water.
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, tween 20 or Tween-40, nano-TiO
2Slurries, sodium laurylsulfonate are heated to 75 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With vinylformic acid, cyclohexyl methacrylate, vinylformic acid silicone oil, linolenic acid, an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative Potassium Persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 75 ℃, the vinylformic acid silicone oil of disposable adding 1/4 and acrylate mixing liquid, after continuing to stir 35 minutes, beginning slowly drip solution (I) with (II), be controlled in the 2h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 8 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Raw material and proportioning:
Commercially available TiO
260g
Disponer W-18 0.8g
Water 60g
Preparation technology:
Disponer W-18 is added to the water, mixes the commercially available TiO of rear adding
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries.
Raw material and proportioning:
Vinyl silicone oil 40%
Arachidonic acid 5.0%
TiO
2Content is 60% nano-TiO
2Slurries 18%
Methacrylic acid 21%
Isooctyl methacrylate 30%
Ammonium persulphate 8.0%
Tween-60 or tween-80 2.5%
Sodium dodecylbenzene sulfonate 1.5%
Surplus is deionized water.
Preparation technology: get above-mentioned raw materials and prepare as follows:
1, emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds deionized water in the four-hole boiling flask of thermometer, Tween-60 or tween-80, nano-TiO
2Slurries, Sodium dodecylbenzene sulfonate are heated to 80 ℃ under stirring, and it is blue that solution is;
2, the mixing of reaction monomers
With methacrylic acid, Isooctyl methacrylate, vinyl silicone oil, arachidonic acid, an amount of compound emulsifying agent mix, and rapid stirring makes uniform mix monomer pre-emulsion (I);
3, the preparation of initiator
Quantitative ammonium persulphate is made into the aqueous solution with deionized water, and dissolve complete makes initiator solution (II);
4, emulsion copolymerization is synthetic
The emulsifying agent mixing is warming up to 80 ℃, the vinyl silicone oil of disposable adding 1/4 and Isooctyl methacrylate mixed solution, after continuing to stir 30 minutes, beginning slowly drip solution (I) with (II), be controlled in the 2h and drip off (I slightly is later than II and drips off), reaction is cooled to 50 ℃ after finishing, regulate pH value 7.5 with ammoniacal liquor, filter, discharging obtains being polysiloxane emulsion with the uniform liquid of blue light.
Claims (7)
1. nano antibacterial rubber gloves separant, this separant is comprised of the component of following quality percentage composition, and concrete component is composed as follows:
The silicone oil 8.0 ~ 40.0% that contains unsaturated double-bond
Unsaturated fatty acids 1 ~ 5%
TiO
2Content is 60% nano-TiO
2Slurries 3.0 ~ 18.0%
Acrylic or methacrylic acid 5.0 ~ 21.0%
Acrylate or methacrylic ester 5.0 ~ 30.0%
Initiator 0.5 ~ 8.0%
Nonionogenic tenside 0.5 ~ 2.5%
Anion surfactant 0.1 ~ 1.5%
Surplus is deionized water;
Unsaturated fatty acids refers to oleic acid, linolic acid, linolenic acid, arachidonic acid;
The preparation method of described nano antibacterial rubber gloves separant is:
With silicone oil 8.0 ~ 40.0%, unsaturated fatty acids 1 ~ 5%, the TiO that contains unsaturated double-bond
2Content is 60% nano-TiO
2Slurries 3.0 ~ 18.0%, acrylic or methacrylic acid 5.0 ~ 21.0% and acrylate or methacrylic ester 5.0 ~ 30.0% are reactant, add 0.5 ~ 8.0% initiator, form compound emulsifying agent with 0.5 ~ 2.5% nonionogenic tenside and 0.1 ~ 1.5% anion surfactant and carry out emulsification, by the synthetic polysiloxane emulsion that is used for the rubber gloves separant of following technique, concrete preparation method is as follows with deionized water:
(1) nano-TiO
2The slurries preparation
The dispersion agent of 0.01 ~ 0.8 g is joined in the water of 3.0 ~ 60.0g, mix the commercially available TiO of rear adding 5.0～60.0g
2Mix, be ground to fineness with sand mill and namely get nano-TiO less than 100 nanometers
2Slurries, for subsequent use;
(2) emulsifying agent Hybrid Heating
With the prolong Dropping feeder, electric stirring adds the nano-TiO that 70% and the step (1) of deionized water, nonionogenic tenside and anion surfactant total amount make in the four-hole boiling flask of thermometer
2Be heated to 75 ~ 80 ℃ under the slurries, agitation condition, it is blue that solution is;
(3) mixing of reaction monomers
To contain 30% of nonionogenic tenside remaining in silicone oil, unsaturated fatty acids, acrylic or methacrylic acid, acrylate or methacrylic ester and (2) of unsaturated double-bond and anion surfactant total amount mixes, rapid stirring makes uniform mix monomer pre-emulsion (I);
(4) preparation of initiator
Quantitative initiator is made into the aqueous solution with deionized water, and the consumption of aqueous solvent is advisable dissolving initiator fully, makes solution (II);
(5) emulsion copolymerization is synthetic
Mixed solution in (2) is warming up to 75 ~ 80 ℃, the monomer pre-emulsion of disposable adding 1/4 (I), after continuing to stir 25 ~ 35 minutes, beginning slowly drips remaining monomer pre-emulsion (I) and initiator solution (II), is controlled in 2 ~ 3h to drip off, and monomer pre-emulsion (I) slightly is later than initiator solution (II) and drips off, reaction is cooled to 50 ℃ after finishing, regulate pH value 7 ~ 8 with ammoniacal liquor, filter, obtain being polysiloxane emulsion with the uniform liquid of blue light.
2. a kind of nano antibacterial rubber gloves separant according to claim 1, it is characterized in that: the described silicone oil that contains unsaturated double-bond refers to vinyl silicone oil, vinylformic acid silicone oil.
3. a kind of nano antibacterial rubber gloves separant according to claim 1 is characterized in that: described acrylate refers to methyl acrylate, ethyl propenoate, butyl acrylate, Hydroxyethyl acrylate, 2-phenoxyethyl acrylate, ethoxy ethoxy ethyl propylene acid esters, ring TriMethylolPropane(TMP) methylal〔Su〕 acrylate, stearyl alcohol acrylate; Described methacrylic ester nail base ethyl propenoate, butyl methacrylate, Propenoic acid, 2-methyl, isobutyl ester, cyclohexyl methacrylate, Isooctyl methacrylate.
4. a kind of nano antibacterial rubber gloves separant according to claim 1 is characterized in that: described nonionogenic tenside refers to polyoxyethylene nonylphenol ether series emulsifier op-4, OP-7, OP-9, OP-10, OP-13, OP-15, OP-20, OP-30, OP-40, OP-50; Sapn series emulsifier sorbitol acid anhydride mono-laurate, sorbitol anhydride monopalmitate,, sorbitan mono-oleic acid ester, SPAN85; Twain series emulsifier Tween-20, polyoxyethylene sorbitol acid anhydride monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylenesorbitan sorbitan monooleate.
5. a kind of nano antibacterial rubber gloves separant according to claim 1, it is characterized in that: described anion surfactant refers to sodium laurylsulfonate, Sodium dodecylbenzene sulfonate.
6. a kind of nano antibacterial rubber gloves separant according to claim 1, it is characterized in that: described initiator refers to: Potassium Persulphate, ammonium persulphate.
7. a kind of nano antibacterial rubber gloves separant according to claim 1 is characterized in that: described dispersion agent refers to dispersion agent Disponer W-18, Disponer W-511, the Disponer W-518 that moral modest company in Taiwan produces.
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| CN105778683A (en) * | 2014-12-23 | 2016-07-20 | 常熟市嘉邦胶带有限责任公司 | Release agent for antiskid adhesive tape |
| CN107118312A (en) * | 2017-06-15 | 2017-09-01 | 湖北新海鸿化工有限公司 | A kind of emulsion-type organosilicon paper silicon interleaving agent and preparation method thereof |
| CN107236246A (en) * | 2017-08-01 | 2017-10-10 | 合肥康之恒机械科技有限公司 | A kind of wab board nano antibacterial composite and preparation method thereof |
| US20220167697A1 (en) * | 2020-11-30 | 2022-06-02 | Protective Industrial Products, Inc. | Disposable Barrier Glove and Method for Manufacturing the Barrier Glove |
| CN112552722A (en) * | 2020-12-17 | 2021-03-26 | 宁波邦泰汽车配件有限公司 | Extremely simple and practical rubber separant and preparation method thereof |
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| CN101684387A (en) * | 2008-09-27 | 2010-03-31 | 比亚迪股份有限公司 | Paint composition |
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| EP1317500B1 (en) * | 2000-09-15 | 2005-12-21 | National Starch and Chemical Investment Holding Corporation | Polymer coating for rubber articles |
| CN101065436A (en) * | 2004-11-29 | 2007-10-31 | 日本瑞翁株式会社 | Composition for dip forming and dip-formed molding |
| CN101121795A (en) * | 2007-07-25 | 2008-02-13 | 桂林恒保健康用品有限公司 | Glove separating agent, rubber glove using the same and manufacturing method for the glove |
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Effective date of registration: 20191212 Address after: Ma Zhi Lu (Yinghao Village), Mazhang District, Zhanjiang City, Guangdong Province 524000 Patentee after: Zhanjiang Jiali Glove Products Co., Ltd. Address before: 524000 Guangdong Province, Zhanjiang city Chikan District Road No. 29 Co-patentee before: Zhanjiang Jiali Glove Products Co., Ltd. Patentee before: Zhanjiang Normal University |
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