CN112848439A - Production process of antibacterial medical gloves - Google Patents
Production process of antibacterial medical gloves Download PDFInfo
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- CN112848439A CN112848439A CN202110004119.6A CN202110004119A CN112848439A CN 112848439 A CN112848439 A CN 112848439A CN 202110004119 A CN202110004119 A CN 202110004119A CN 112848439 A CN112848439 A CN 112848439A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0064—Producing wearing apparel
- B29D99/0067—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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
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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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
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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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- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
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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
- 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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a production process of an antibacterial medical glove, which comprises the following steps of: nitrile butadiene rubber, white carbon black, sulfur, zinc oxide, fatty alcohol-polyoxyethylene ether, phthalic acid ester, an anti-aging agent, composite fiber and an antibacterial polymer. This antibiotic medical gloves production technology, combine with the microbial cell through epsilon-polylysine, and then form the hole, thereby kill the microorganism, this kind of antibacterial mechanism can restrain gram-positive bacterium also can restrain gram-negative bacterium, and then improve medical gloves's bacterinertness, through the photocuring to raw and other materials, the degree of crosslinking between the improvement raw and other materials, prior art compares, make antibiotic polymer and composite fiber can be better and glove base material between dissolve mutually, and then improve medical gloves's antibacterial performance, realization that can be convenient through the shaping treatment facility is to the drying and the cooling treatment of gloves, improve the efficiency of gloves production.
Description
Technical Field
The invention relates to the technical field of gloves, in particular to a production process of an antibacterial medical glove.
Background
The existing medical gloves are mainly made of materials such as latex, silica gel, PVC plastic and the like, the materials have poor comprehensive performance, are easy to adhere to the epidermis of a hand when being worn, have large friction force and inconvenient use, contain more toxic and harmful substances and easily cause skin allergic reaction, and in addition, the substances of the gloves are nutrient components of bacteria, so the breeding and the multiplication of the bacteria or the microorganisms are easily caused, and the danger of infection diseases of doctors and patients is increased.
In the prior art, a certain amount of antibacterial substances or components are generally added into a glove matrix, but the substances are poor in compatibility with the glove matrix material and easy to dissolve out, and some antibacterial substances have high toxicity and potential harm to human bodies;
the preparation process of the medical gloves is proposed with reference to the prior Chinese patent publication No. CN111805822A, in the proposal, the medical gloves are put in an antibacterial liquid tank to be soaked for a preset time, antibacterial layers are generated on the inner surfaces and the outer surfaces of the gloves, and the antibacterial layers play the role of antibacterial protection; however, the antibacterial effect is poor, the antibacterial time-effect is limited, various pathogens cannot be effectively inhibited, and in order to solve the problems, the technical personnel in the field provide a production process of antibacterial medical gloves.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a production process of an antibacterial medical glove, which solves the problems that in the prior art, a certain amount of antibacterial substances or components are generally added into a glove matrix, but the substances are poor in compatibility with the glove matrix material, are easy to dissolve out, have high toxicity and potential harm to human bodies, generate antibacterial layers on the inner surface and the outer surface of the glove, have poor antibacterial effect and limited antibacterial aging, and cannot effectively inhibit various pathogens.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a production process of antibacterial medical gloves specifically comprises the following steps:
step one, selecting raw materials: nitrile butadiene rubber, white carbon black, sulfur, zinc oxide, fatty alcohol-polyoxyethylene ether, phthalate, an anti-aging agent, composite fiber and an antibacterial polymer;
secondly, introducing the nitrile rubber, the white carbon black, the sulfur, the zinc oxide, the fatty alcohol-polyoxyethylene ether, the phthalic acid ester, the anti-aging agent, the composite fiber and the antibacterial polymer into mixing equipment, and uniformly stirring by using a magnetic stirrer to obtain a mixed raw material A;
step three, taking a reactor with an ultraviolet lamp and a magnetic stirrer inside, pumping the mixed raw material A into the reactor, turning on switches of the ultraviolet lamp and the magnetic stirrer, stirring the mixed raw material A by using the magnetic stirrer, irradiating the surface of the mixed raw material A by using the ultraviolet lamp while stirring the mixed raw material A until the temperature of the mixed raw material A rises to 38-40 ℃, and discharging the mixed raw material A from the reactor to obtain a mixed raw material B;
step four, adding the mixed raw material B into an internal mixer for uniform mixing, then carrying out molding treatment on the mixed raw material B through an open mill, and finally putting the molding material into a glove molding machine for processing and molding to obtain preformed gloves;
step five, putting the preformed gloves into forming processing equipment, connecting the bottoms of glove models in the preformed gloves and connecting blocks in a displacement assembly in a threaded manner, opening switches of a drying assembly and a cooling assembly in a first forming box and a second forming box, simultaneously starting switches of two driving motors, enabling the two linear motors to respectively slide on two linear sliding rails, driving a movable frame to slide in the first forming box and the second forming box by the two linear motors, driving the preformed gloves to firstly enter the first forming box, enabling an electric heating pipe to generate heat, simultaneously driving the blades to clockwise rotate in an impeller, blowing the heat generated by the electric heating pipe into the first forming box by the blades, rapidly drying the preformed gloves, moving the preformed gloves to the second forming box, introducing cooling water into the flow distribution plate through a water inlet pipe, the cooling water in the flow distribution plate flows into the cooling pipe, the output shaft of the driving motor at the top of the second molding box drives the fan blades to rotate anticlockwise in the impeller, the heat in the second molding box is pumped into the upper portion of the fixing plate, the heat in the second molding box is exchanged through the cooling pipe, the dried preformed gloves are cooled, and the preformed gloves are sent out from the molding processing equipment to obtain the antibacterial medical gloves.
Preferably, in the first step, the raw materials specifically include 20-30 parts of nitrile rubber, 6-8 parts of white carbon black, 1-3 parts of sulfur, 3-5 parts of zinc oxide, 3-5 parts of fatty alcohol-polyoxyethylene ether, 8-10 parts of phthalate, 0.3-0.5 part of antioxidant, 6-8 parts of composite fiber and 10-20 parts of antibacterial polymer, wherein the antioxidant is any one of antioxidant CPPD and antioxidant IPPD.
Preferably, the composite fiber is prepared by the following method:
putting polyvinyl alcohol particles into a beaker with an electric stirrer, and adding water into the beaker, wherein the usage amount of polyvinyl alcohol and water is 5 g: 50mL of the composite fiber is kept stand for 2 hours at room temperature, then epsilon-polylysine is added into a beaker, the using amount of the epsilon-polylysine is 10 percent of the total mass of the polyvinyl alcohol, an electric stirrer is started to completely dissolve the epsilon-polylysine, then the beaker is placed in a water bath to be heated, the temperature of the beaker is set to be 60-65 ℃, the temperature is kept for 1 hour, then the temperature is raised to 85-90 ℃ and kept for 3 hours, the polyvinyl alcohol is completely dissolved, and finally the solution is subjected to vacuum degassing spinning to obtain the composite fiber.
Preferably, the antibacterial polymer is prepared by the following method:
adding 100mL of distilled water into a three-necked bottle with an electric stirrer, adding glycerol, polyvinyl alcohol and epsilon-polylysine, wherein the mass ratio of the glycerol to the polyvinyl alcohol to the epsilon-polylysine is 1:3 (0.5-1), setting the temperature of the three-necked bottle at 80 ℃, opening the electric stirrer, uniformly stirring the solution in the three-necked bottle at 120r/min, and keeping the constant temperature for 3 hours until a transparent and uniform solution is formed to obtain the antibacterial polymer.
Preferably, the molding treatment equipment comprises a rack, a first molding box and a second molding box, wherein the two sides of the top of the rack are fixedly connected with the bottoms of the first molding box and the second molding box respectively, the right side of the first molding box is fixedly connected with the left side of the second molding box, the top of the rack is provided with a displacement assembly respectively inside the first molding box and the second molding box, and the tops of the first molding box and the second molding box are provided with a drying assembly and a cooling assembly respectively.
Preferably, the inside of the first forming box is communicated with the inside of the second forming box, a fixing plate is fixedly connected to the inside of the first forming box and the inside of the second forming box, driving motors are fixedly connected to the left sides of the tops of the first forming box and the second forming box, fan blades are fixedly connected to the surfaces of output shafts of the two driving motors, impellers are fixedly connected to the two sides of the top of the fixing plate, the fan blades are located inside the impellers and rotate, the bottom ends of the two impellers penetrate through the fixing plate and extend to the bottom of the fixing plate, a partition plate is fixedly connected to the middle of the top of the fixing plate, and the top of the partition plate is fixedly connected with the tops of the inner walls of the first forming box and the second forming box respectively.
Preferably, the displacement assembly comprises linear slide rails, linear motors, a movable frame and a connecting block, the front and the back of the inner walls of the first forming box and the second forming box are fixedly connected with the linear slide rails, one sides of the two opposite linear slide rails are slidably connected with the linear motors, the movable frame is fixedly connected between one sides of the two opposite linear motors, and the connecting block is fixedly connected to the bottom of the movable frame.
Preferably, the stoving subassembly includes controller and electrothermal tube, the right side fixedly connected with controller at first shaping roof portion, and the bottom of controller is provided with the electrothermal tube, cooling module includes inlet tube, outlet pipe, flow distribution plate and cooling tube, the right side fixedly connected with flow distribution plate at second shaping roof portion, and the both sides at flow distribution plate top communicate respectively has inlet tube and outlet pipe, the bottom of flow distribution plate is provided with the cooling tube.
Preferably, the working method of the molding processing equipment is as follows:
putting the preformed gloves into a forming processing device, connecting the bottoms of a glove model in the preformed gloves and a connecting block in a displacement assembly in a threaded manner, opening switches of a drying assembly and a cooling assembly in a first forming box and a second forming box at first, starting two driving motor switches simultaneously, enabling two linear motors to respectively slide on two linear slide rails, driving a movable frame to slide in the first forming box and the second forming box by the two linear motors, driving the preformed gloves to firstly enter the first forming box, enabling an electric heating pipe to generate heat, driving fan blades to clockwise rotate in an impeller at the same time, blowing the heat generated by the electric heating pipe into the first forming box by the fan blades, rapidly drying the preformed gloves, moving the preformed gloves to the second forming box, and introducing cooling water into the flow distribution plate through a water inlet pipe, the cooling water in the flow distribution plate flows into the cooling pipe, the output shaft of the driving motor at the top of the second molding box drives the fan blades to rotate anticlockwise in the impeller, the heat in the second molding box is pumped into the upper portion of the fixing plate, the heat in the second molding box is exchanged through the cooling pipe, the dried preformed gloves are cooled, and the preformed gloves are sent out from the molding processing equipment to obtain the antibacterial medical gloves.
(III) advantageous effects
The invention provides a production process of an antibacterial medical glove. Compared with the prior art, the method has the following beneficial effects:
the production process of the antibacterial medical gloves comprises the steps of adding composite fibers and an antibacterial polymer into raw materials of the gloves, wherein the composite fibers are prepared by putting polyvinyl alcohol particles into a beaker with an electric stirrer and adding water into the beaker, wherein the usage amount of the polyvinyl alcohol and the water is 5 g: standing for 2 hours at room temperature, adding epsilon-polylysine into a beaker, wherein the using amount of the epsilon-polylysine is 10 percent of the total mass of the polyvinyl alcohol, starting an electric stirrer to completely dissolve the epsilon-polylysine, then placing the beaker in a water bath to heat, setting the temperature of the beaker at 60-65 ℃, keeping for 1 hour, then heating to 85-90 ℃ and keeping for 3 hours to completely dissolve the polyvinyl alcohol, and finally carrying out vacuum degassing spinning on the solution to obtain the composite fiber; the antibacterial polymer is prepared by taking a three-necked bottle with an electric stirrer, adding 100mL of distilled water into the three-necked bottle, and then adding glycerol, polyvinyl alcohol and epsilon-polylysine, wherein the mass ratio of the glycerol to the polyvinyl alcohol to the epsilon-polylysine is 1:3 (0.5-1), setting the temperature of the three-necked bottle at 80 ℃, opening the electric stirrer, uniformly stirring the solution in the three-necked bottle at 120r/min, and keeping the constant temperature for 3 hours until a transparent uniform solution is formed, thus obtaining the antibacterial polymer; the epsilon-polylysine is combined with microbial cells to form holes, so that microbes are killed, the antibacterial mechanism can inhibit gram-positive bacteria and gram-negative bacteria, and the antibacterial property of the medical gloves is improved;
in addition, the crosslinking degree between the raw materials is improved through the light vulcanization treatment of the raw materials, compared with the prior art, the antibacterial polymer and the composite fiber can be well dissolved with the glove base material, and the antibacterial performance of the medical glove is further improved;
the preformed gloves are put into forming processing equipment for processing, the bottoms of glove models in the preformed gloves and connecting blocks in a displacement assembly are in threaded connection, a drying assembly and a cooling assembly switch in a first forming box and a second forming box are firstly opened, two driving motor switches are simultaneously started, two linear motors respectively slide on two linear slide rails, the two linear motors drive a movable frame to slide in the first forming box and the second forming box to drive the preformed gloves to firstly enter the first forming box, an electric heating tube generates heat, the driving motors drive fan blades to clockwise rotate in an impeller, the fan blades blow the heat generated by the electric heating tube into the first forming box to rapidly dry the preformed gloves, then the preformed gloves are moved to the inside of the second forming box, and cooling water is introduced into the flow distribution plate through a water inlet tube, the inside cooling water of flow distribution plate flows into the cooling tube, the driving motor output shaft at second molding box top drives the flabellum and carries out anticlockwise rotation in the inside of impeller, with the top of the inside heat suction fixed plate of second molding box, exchange the inside heat of second molding box through the cooling tube, preforming gloves after drying cool off, realization that can be convenient is to the drying and the cooling treatment of gloves, improve the efficiency of gloves production, avoid gloves to be infected with the germ at stoving and refrigerated in-process simultaneously, and then improve medical gloves's safety in utilization.
Drawings
FIG. 1 is a schematic view of the structure of a molding apparatus according to the present invention;
FIG. 2 is a sectional view showing the structure of the molding treatment apparatus of the present invention.
In the figure, 1, a frame; 2. a first molding box; 3. a second forming box; 4. a displacement assembly; 41. a linear slide rail; 42. a linear motor; 43. a movable frame; 44. connecting blocks; 5. a drying assembly; 51. a controller; 52. an electric heating tube; 6. a cooling assembly; 61. a water inlet pipe; 62. a water outlet pipe; 63. a flow distribution plate; 64. a cooling tube; 7. a fixing plate; 8. a drive motor; 9. an impeller; 10. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a process for manufacturing an antibacterial medical glove specifically includes the following steps:
step one, selecting raw materials: nitrile butadiene rubber, white carbon black, sulfur, zinc oxide, fatty alcohol-polyoxyethylene ether, phthalate, an anti-aging agent, composite fiber and an antibacterial polymer;
secondly, introducing the nitrile rubber, the white carbon black, the sulfur, the zinc oxide, the fatty alcohol-polyoxyethylene ether, the phthalic acid ester, the anti-aging agent, the composite fiber and the antibacterial polymer into mixing equipment, and uniformly stirring by using a magnetic stirrer to obtain a mixed raw material A;
step three, taking a reactor with an ultraviolet lamp and a magnetic stirrer inside, pumping the mixed raw material A into the reactor, turning on switches of the ultraviolet lamp and the magnetic stirrer, stirring the mixed raw material A by using the magnetic stirrer, irradiating the surface of the mixed raw material A by using the ultraviolet lamp while stirring the mixed raw material A until the temperature of the mixed raw material A rises to 38 ℃, and discharging the mixed raw material A from the reactor to obtain a mixed raw material B;
step four, adding the mixed raw material B into an internal mixer for uniform mixing, then carrying out molding treatment on the mixed raw material B through an open mill, and finally putting the molding material into a glove molding machine for processing and molding to obtain preformed gloves;
step five, putting the preformed gloves into a forming processing device, connecting the glove models in the preformed gloves with the bottoms of connecting blocks 44 in a displacement assembly 4 by screw threads, firstly opening switches of a drying assembly 5 and a cooling assembly 6 in a first forming box 2 and a second forming box 3, simultaneously starting switches of two driving motors 8, respectively sliding two linear motors 42 on two linear sliding rails 41, driving a movable frame 43 to slide in the first forming box 2 and the second forming box 3 by the two linear motors 42, driving the preformed gloves to enter the first forming box 2, generating heat by an electric heating tube 52, driving fan blades to rotate clockwise in an impeller 9 by the driving motors 8, blowing the heat generated by the electric heating tube 52 into the first forming box 2 by the fan blades, rapidly drying the preformed gloves, then moving the preformed gloves to the inside of the second forming box 3, let in the cooling water through inlet tube 61 to the inside of flow distribution plate 63, the inside cooling water of flow distribution plate 63 flows into in the cooling tube 64, the 8 output shafts of driving motor at 3 tops of second molding box drive the flabellum and carry out anticlockwise rotation in the inside of impeller 9, with the top of the inside heat suction fixed plate 7 of second molding box 3, exchange the inside heat of second molding box 3 through cooling tube 64, cool off the preforming gloves after the stoving, the preforming gloves are seen off from the shaping treatment facility, obtain antibiotic medical gloves.
In the first step, the raw materials specifically comprise 20 parts of nitrile rubber, 6 parts of white carbon black, 1 part of sulfur, 3 parts of zinc oxide, 3 parts of fatty alcohol-polyoxyethylene ether, 8 parts of phthalic acid ester, 0.3 part of anti-aging agent, 6 parts of composite fiber and 10 parts of antibacterial polymer, wherein the anti-aging agent is any one of anti-aging agent CPPD and anti-aging agent IPPD.
The composite fiber is prepared by the following method:
putting polyvinyl alcohol particles into a beaker with an electric stirrer, and adding water into the beaker, wherein the usage amount of polyvinyl alcohol and water is 5 g: 50mL of the composite fiber is kept stand for 2 hours at room temperature, then epsilon-polylysine is added into a beaker, the using amount of the epsilon-polylysine is 10 percent of the total mass of the polyvinyl alcohol, an electric stirrer is started to completely dissolve the epsilon-polylysine, then the beaker is placed in a water bath to be heated, the temperature of the beaker is set to be 60 ℃, the temperature is kept for 1 hour, then the temperature is increased to 85 ℃ and kept for 3 hours, the polyvinyl alcohol is completely dissolved, and finally the solution is subjected to vacuum degassing and spinning to obtain the composite fiber.
The antibacterial polymer is prepared by the following method:
adding 100mL of distilled water into a three-necked bottle with an electric stirrer, adding glycerol, polyvinyl alcohol and epsilon-polylysine, wherein the mass ratio of the glycerol to the polyvinyl alcohol to the epsilon-polylysine is 1:3:0.5, setting the temperature of the three-necked bottle at 80 ℃, opening the electric stirrer, uniformly stirring the solution in the three-necked bottle under the condition of 120r/min, and keeping the constant temperature for 3 hours until a transparent uniform solution is formed, thereby obtaining the antibacterial polymer.
Example 2
Referring to fig. 1-2, a process for manufacturing an antibacterial medical glove specifically includes the following steps:
step one, selecting raw materials: nitrile butadiene rubber, white carbon black, sulfur, zinc oxide, fatty alcohol-polyoxyethylene ether, phthalate, an anti-aging agent, composite fiber and an antibacterial polymer;
secondly, introducing the nitrile rubber, the white carbon black, the sulfur, the zinc oxide, the fatty alcohol-polyoxyethylene ether, the phthalic acid ester, the anti-aging agent, the composite fiber and the antibacterial polymer into mixing equipment, and uniformly stirring by using a magnetic stirrer to obtain a mixed raw material A;
step three, taking a reactor with an ultraviolet lamp and a magnetic stirrer inside, pumping the mixed raw material A into the reactor, turning on switches of the ultraviolet lamp and the magnetic stirrer, stirring the mixed raw material A by using the magnetic stirrer, irradiating the surface of the mixed raw material A by using the ultraviolet lamp while stirring the mixed raw material A until the temperature of the mixed raw material A rises to 40 ℃, and discharging the mixed raw material A from the reactor to obtain a mixed raw material B;
step four, adding the mixed raw material B into an internal mixer for uniform mixing, then carrying out molding treatment on the mixed raw material B through an open mill, and finally putting the molding material into a glove molding machine for processing and molding to obtain preformed gloves;
step five, putting the preformed gloves into a forming processing device, connecting the glove models in the preformed gloves with the bottoms of connecting blocks 44 in a displacement assembly 4 by screw threads, firstly opening switches of a drying assembly 5 and a cooling assembly 6 in a first forming box 2 and a second forming box 3, simultaneously starting switches of two driving motors 8, respectively sliding two linear motors 42 on two linear sliding rails 41, driving a movable frame 43 to slide in the first forming box 2 and the second forming box 3 by the two linear motors 42, driving the preformed gloves to enter the first forming box 2, generating heat by an electric heating tube 52, driving fan blades to rotate clockwise in an impeller 9 by the driving motors 8, blowing the heat generated by the electric heating tube 52 into the first forming box 2 by the fan blades, rapidly drying the preformed gloves, then moving the preformed gloves to the inside of the second forming box 3, let in the cooling water through inlet tube 61 to the inside of flow distribution plate 63, the inside cooling water of flow distribution plate 63 flows into in the cooling tube 64, the 8 output shafts of driving motor at 3 tops of second molding box drive the flabellum and carry out anticlockwise rotation in the inside of impeller 9, with the top of the inside heat suction fixed plate 7 of second molding box 3, exchange the inside heat of second molding box 3 through cooling tube 64, cool off the preforming gloves after the stoving, the preforming gloves are seen off from the shaping treatment facility, obtain antibiotic medical gloves.
In the first step, the raw materials specifically comprise 30 parts of nitrile rubber, 8 parts of white carbon black, 3 parts of sulfur, 5 parts of zinc oxide, 5 parts of fatty alcohol-polyoxyethylene ether, 10 parts of phthalic acid ester, 0.5 part of anti-aging agent, 8 parts of composite fiber and 20 parts of antibacterial polymer, wherein the anti-aging agent is any one of anti-aging agent CPPD and anti-aging agent IPPD.
The composite fiber is prepared by the following method:
putting polyvinyl alcohol particles into a beaker with an electric stirrer, and adding water into the beaker, wherein the usage amount of polyvinyl alcohol and water is 5 g: 50mL of the composite fiber is kept stand for 2 hours at room temperature, then epsilon-polylysine is added into a beaker, the using amount of the epsilon-polylysine is 10 percent of the total mass of the polyvinyl alcohol, an electric stirrer is started to completely dissolve the epsilon-polylysine, then the beaker is placed in a water bath to be heated, the temperature of the beaker is set to 65 ℃, the temperature is kept for 1 hour, then the temperature is increased to 90 ℃ and kept for 3 hours, the polyvinyl alcohol is completely dissolved, and finally the solution is subjected to vacuum degassing and spinning to obtain the composite fiber.
The antibacterial polymer is prepared by the following method:
adding 100mL of distilled water into a three-necked bottle with an electric stirrer, adding glycerol, polyvinyl alcohol and epsilon-polylysine, wherein the mass ratio of the glycerol to the polyvinyl alcohol to the epsilon-polylysine is 1:3:1, setting the temperature of the three-necked bottle at 80 ℃, opening the electric stirrer, uniformly stirring the solution in the three-necked bottle under the condition of 120r/min, and keeping the constant temperature for 3 hours until a transparent and uniform solution is formed to obtain the antibacterial polymer.
Example 3
Referring to fig. 1-2, the molding processing apparatus includes a frame 1, a first molding box 2 and a second molding box 3, wherein two sides of the top of the frame 1 are respectively fixedly connected to the bottoms of the first molding box 2 and the second molding box 3, the right side of the first molding box 2 is fixedly connected to the left side of the second molding box 3, a displacement assembly 4 is disposed at the top of the frame 1 and respectively located inside the first molding box 2 and the second molding box 3, and a drying assembly 5 and a cooling assembly 6 are respectively disposed at the tops of the first molding box 2 and the second molding box 3; the inside of first forming box 2 communicates with the inside of second forming box 3, and the inside fixedly connected with fixed plate 7 of first forming box 2 and second forming box 3, the equal fixedly connected with driving motor 8 in left side at first forming box 2 and second forming box 3 top, and the equal fixedly connected with flabellum in surface of two driving motor 8 output shafts, the equal fixedly connected with impeller 9 in both sides at fixed plate 7 top, and the flabellum is located the inside rotation of impeller 9, fixed plate 7 is all run through and extends to the bottom of fixed plate 7 to the bottom of two impeller 9's bottom, the middle part fixedly connected with baffle 10 at fixed plate 7 top, and the top of baffle 10 respectively with the top fixed connection of first forming box 2 and second forming box 3 inner wall.
The displacement assembly 4 comprises linear sliding rails 41, linear motors 42, a movable frame 43 and a connecting block 44, the front surfaces and the back surfaces of the inner walls of the first forming box 2 and the second forming box 3 are fixedly connected with the linear sliding rails 41, one sides of the two linear sliding rails 41 which are opposite are slidably connected with the linear motors 42, the movable frame 43 is fixedly connected between one sides of the two linear motors 42 which are opposite, and the connecting block 44 is fixedly connected to the bottom of the movable frame 43.
The drying assembly 5 comprises a controller 51 and an electric heating tube 52, the controller 51 is fixedly connected to the right side of the top of the first forming box 2, the electric heating tube 52 is arranged at the bottom of the controller 51, the cooling assembly 6 comprises a water inlet tube 61, a water outlet tube 62, a flow distribution plate 63 and a cooling tube 64, the flow distribution plate 63 is fixedly connected to the right side of the top of the second forming box 3, the two sides of the top of the flow distribution plate 63 are respectively communicated with the water inlet tube 61 and the water outlet tube 62, and the cooling tube 64 is arranged at the bottom of the flow distribution plate 63.
The working method of the molding processing equipment comprises the following steps:
putting the preformed gloves into a forming processing device, connecting the bottoms of a glove model in the preformed gloves and a connecting block 44 in a displacement assembly 4 by screw threads, firstly opening switches of a drying assembly 5 and a cooling assembly 6 in a first forming box 2 and a second forming box 3, simultaneously starting switches of two driving motors 8, enabling the two linear motors 42 to respectively slide on two linear slide rails 41, driving a movable frame 43 to slide in the first forming box 2 and the second forming box 3 by the two linear motors 42, driving the preformed gloves to firstly enter the first forming box 2, generating heat by an electric heating tube 52, simultaneously driving the fan blades to clockwise rotate in an impeller 9 by the driving motors 8, blowing the heat generated by the electric heating tube 52 into the first forming box 2 by the fan blades, rapidly drying the preformed gloves, and then moving the preformed gloves to the second forming box 3, let in the cooling water through inlet tube 61 to the inside of flow distribution plate 63, the inside cooling water of flow distribution plate 63 flows into in the cooling tube 64, the 8 output shafts of driving motor at 3 tops of second molding box drive the flabellum and carry out anticlockwise rotation in the inside of impeller 9, with the top of the inside heat suction fixed plate 7 of second molding box 3, exchange the inside heat of second molding box 3 through cooling tube 64, cool off the preforming gloves after the stoving, the preforming gloves are seen off from the shaping treatment facility, obtain antibiotic medical gloves.
And those not described in detail in this specification are well within the skill of those in the art.
Working principle, when in use, a preformed glove is put into a forming processing device, a glove model in the preformed glove is in threaded connection with the bottom of a connecting block 44 in a displacement assembly 4, switches of a drying assembly 5 and a cooling assembly 6 in a first forming box 2 and a second forming box 3 are firstly opened, two driving motors 8 are simultaneously started to be switched on and switched off, two linear motors 42 respectively slide on two linear sliding rails 41, the two linear motors 42 drive a movable frame 43 to slide in the first forming box 2 and the second forming box 3 to drive the preformed glove to firstly enter the first forming box 2, an electric heating pipe 52 generates heat, meanwhile, the driving motors 8 drive fan blades to clockwise rotate in an impeller 9, the fan blades blow heat generated by the electric heating pipe 52 into the first forming box 2 to rapidly dry the preformed glove, and then the preformed glove moves to the inside of the second forming box 3, let in the cooling water through inlet tube 61 to the inside of flow distribution plate 63, the inside cooling water of flow distribution plate 63 flows into in the cooling tube 64, the 8 output shafts of driving motor at 3 tops of second molding box drive the flabellum and carry out anticlockwise rotation in the inside of impeller 9, with the top of the inside heat suction fixed plate 7 of second molding box 3, exchange the inside heat of second molding box 3 through cooling tube 64, cool off the preforming gloves after the stoving, the preforming gloves are seen off from the shaping treatment facility, obtain antibiotic medical gloves.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A production process of antibacterial medical gloves is characterized by comprising the following steps: the method specifically comprises the following steps:
step one, selecting raw materials: nitrile butadiene rubber, white carbon black, sulfur, zinc oxide, fatty alcohol-polyoxyethylene ether, phthalate, an anti-aging agent, composite fiber and an antibacterial polymer;
secondly, introducing the nitrile rubber, the white carbon black, the sulfur, the zinc oxide, the fatty alcohol-polyoxyethylene ether, the phthalic acid ester, the anti-aging agent, the composite fiber and the antibacterial polymer into mixing equipment, and uniformly stirring by using a magnetic stirrer to obtain a mixed raw material A;
step three, taking a reactor with an ultraviolet lamp and a magnetic stirrer inside, pumping the mixed raw material A into the reactor, turning on switches of the ultraviolet lamp and the magnetic stirrer, stirring the mixed raw material A by using the magnetic stirrer, irradiating the surface of the mixed raw material A by using the ultraviolet lamp while stirring the mixed raw material A until the temperature of the mixed raw material A rises to 38-40 ℃, and discharging the mixed raw material A from the reactor to obtain a mixed raw material B;
step four, adding the mixed raw material B into an internal mixer for uniform mixing, then carrying out molding treatment on the mixed raw material B through an open mill, and finally putting the molding material into a glove molding machine for processing and molding to obtain preformed gloves;
fifthly, putting the preformed gloves into forming processing equipment, enabling the bottoms of connecting blocks (44) in a glove model and a displacement assembly (4) in the preformed gloves to be in threaded connection, firstly opening switches of a drying assembly (5) and a cooling assembly (6) in a first forming box (2) and a second forming box (3), simultaneously starting switches of two driving motors (8), enabling the two linear motors (42) to respectively slide on two linear sliding rails (41), enabling the two linear motors (42) to drive a movable frame (43) to slide in the first forming box (2) and the second forming box (3) to drive the preformed gloves to firstly enter the first forming box (2), enabling an electric heating pipe (52) to generate heat, enabling the driving motors (8) to drive fan blades to clockwise rotate in an impeller (9), and blowing the heat generated by the electric heating pipe (52) into the first forming box (2), the glove forming device is characterized in that preformed gloves are quickly dried, the preformed gloves are moved to the inside of the second forming box (3), cooling water is introduced into the inside of the flow distribution plate (63) through the water inlet pipe (61), the cooling water inside the flow distribution plate (63) flows into the cooling pipe (64), the output shaft of the driving motor (8) at the top of the second forming box (3) drives fan blades to rotate anticlockwise in the impeller (9), heat inside the second forming box (3) is pumped into the upper portion of the fixing plate (7), heat inside the second forming box (3) is exchanged through the cooling pipe (64), the dried preformed gloves are cooled, the gloves are sent out from forming processing equipment in a preformed mode, and antibacterial medical gloves are obtained.
2. The process for producing an antimicrobial medical glove according to claim 1, wherein: in the first step, the raw materials specifically comprise 20-30 parts of nitrile rubber, 6-8 parts of white carbon black, 1-3 parts of sulfur, 3-5 parts of zinc oxide, 3-5 parts of fatty alcohol-polyoxyethylene ether, 8-10 parts of phthalic acid ester, 0.3-0.5 part of anti-aging agent, 6-8 parts of composite fiber and 10-20 parts of antibacterial polymer, wherein the anti-aging agent is any one of anti-aging agent CPPD and anti-aging agent IPPD.
3. The process for producing an antimicrobial medical glove according to claim 1, wherein: the composite fiber is prepared by the following method:
putting polyvinyl alcohol particles into a beaker with an electric stirrer, and adding water into the beaker, wherein the usage amount of polyvinyl alcohol and water is 5 g: 50mL of the composite fiber is kept stand for 2 hours at room temperature, then epsilon-polylysine is added into a beaker, the using amount of the epsilon-polylysine is 10 percent of the total mass of the polyvinyl alcohol, an electric stirrer is started to completely dissolve the epsilon-polylysine, then the beaker is placed in a water bath to be heated, the temperature of the beaker is set to be 60-65 ℃, the temperature is kept for 1 hour, then the temperature is raised to 85-90 ℃ and kept for 3 hours, the polyvinyl alcohol is completely dissolved, and finally the solution is subjected to vacuum degassing spinning to obtain the composite fiber.
4. The process for producing an antimicrobial medical glove according to claim 1, wherein: the antibacterial polymer is prepared by the following method:
adding 100mL of distilled water into a three-necked bottle with an electric stirrer, adding glycerol, polyvinyl alcohol and epsilon-polylysine, wherein the mass ratio of the glycerol to the polyvinyl alcohol to the epsilon-polylysine is 1:3 (0.5-1), setting the temperature of the three-necked bottle at 80 ℃, opening the electric stirrer, uniformly stirring the solution in the three-necked bottle at 120r/min, and keeping the constant temperature for 3 hours until a transparent and uniform solution is formed to obtain the antibacterial polymer.
5. The process for producing an antimicrobial medical glove according to claim 1, wherein: the molding treatment equipment comprises a rack (1), a first molding box (2) and a second molding box (3), wherein the two sides of the top of the rack (1) are fixedly connected with the bottoms of the first molding box (2) and the second molding box (3) respectively, the right side of the first molding box (2) is fixedly connected with the left side of the second molding box (3), the top of the rack (1) is provided with a displacement assembly (4) inside the first molding box (2) and the second molding box (3) respectively, and the tops of the first molding box (2) and the second molding box (3) are provided with a drying assembly (5) and a cooling assembly (6) respectively.
6. The process for producing an antimicrobial medical glove according to claim 5, wherein: the inside of the first molding box (2) is communicated with the inside of the second molding box (3), and the inner parts of the first forming box (2) and the second forming box (3) are fixedly connected with a fixing plate (7), the left sides of the tops of the first forming box (2) and the second forming box (3) are fixedly connected with a driving motor (8), the surfaces of the output shafts of the two driving motors (8) are fixedly connected with fan blades, both sides of the top of the fixed plate (7) are fixedly connected with impellers (9), the fan blades are positioned in the impellers (9) to rotate, the bottom ends of the two impellers (9) penetrate through the fixed plate (7) and extend to the bottom of the fixed plate (7), the middle part of the top of the fixed plate (7) is fixedly connected with a clapboard (10), and the top of the partition plate (10) is respectively fixedly connected with the top of the inner walls of the first forming box (2) and the second forming box (3).
7. The process for producing an antimicrobial medical glove according to claim 5, wherein: displacement subassembly (4) include linear slide rail (41), linear electric motor (42), adjustable shelf (43) and connecting block (44), the front and the equal fixedly connected with linear slide rail (41) in the back of first forming box (2) and second forming box (3) inner wall, and the equal sliding connection in one side that two linear slide rail (41) are relative has linear electric motor (42), two fixedly connected with adjustable shelf (43) between one side that linear electric motor (42) are relative, and the bottom fixedly connected with connecting block (44) of adjustable shelf (43).
8. The process for producing an antimicrobial medical glove according to claim 5, wherein: drying assembly (5) are including controller (51) and electrothermal tube (52), the right side fixedly connected with controller (51) at first shaping case (2) top, and the bottom of controller (51) is provided with electrothermal tube (52), cooling assembly (6) are including inlet tube (61), outlet pipe (62), flow distribution plate (63) and cooling tube (64), the right side fixedly connected with flow distribution plate (63) at second shaping case (3) top, and the both sides at flow distribution plate (63) top communicate respectively has inlet tube (61) and outlet pipe (62), the bottom of flow distribution plate (63) is provided with cooling tube (64).
9. The process for producing an antimicrobial medical glove according to claim 1, wherein: the working method of the molding processing equipment comprises the following steps:
putting a preformed glove into a forming processing device, connecting a glove model in the preformed glove with the bottom of a connecting block (44) in a displacement assembly (4) in a threaded manner, opening switches of a drying assembly (5) and a cooling assembly (6) in a first forming box (2) and a second forming box (3) at first, starting switches of two driving motors (8) at the same time, enabling two linear motors (42) to slide on two linear sliding rails (41) respectively, enabling the two linear motors (42) to drive a movable frame (43) to slide in the first forming box (2) and the second forming box (3) to drive the preformed glove to enter the first forming box (2) at first, enabling an electric heating pipe (52) to generate heat, enabling the driving motors (8) to drive fan blades to rotate clockwise in an impeller (9), and blowing the heat generated by the electric heating pipe (52) into the first forming box (2), the glove forming device is characterized in that preformed gloves are quickly dried, the preformed gloves are moved to the inside of the second forming box (3), cooling water is introduced into the inside of the flow distribution plate (63) through the water inlet pipe (61), the cooling water inside the flow distribution plate (63) flows into the cooling pipe (64), the output shaft of the driving motor (8) at the top of the second forming box (3) drives fan blades to rotate anticlockwise in the impeller (9), heat inside the second forming box (3) is pumped into the upper portion of the fixing plate (7), heat inside the second forming box (3) is exchanged through the cooling pipe (64), the dried preformed gloves are cooled, the gloves are sent out from forming processing equipment in a preformed mode, and antibacterial medical gloves are obtained.
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| CN202110004119.6A CN112848439A (en) | 2021-01-04 | 2021-01-04 | Production process of antibacterial medical gloves |
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Application publication date: 20210528 |