CN112659431B - Preparation process of polyvinyl chloride-butadiene-acrylonitrile rubber composite gloves - Google Patents
Preparation process of polyvinyl chloride-butadiene-acrylonitrile rubber composite gloves Download PDFInfo
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Abstract
The invention relates to a preparation process of polyvinyl chloride nitrile rubber composite gloves, which comprises the following steps: step one, pouring a plasticizer into a stirring tank through a first feed opening, and pouring liquid nitrile-butadiene rubber into the stirring tank through a second feed opening to form a first mixture; pouring polyvinyl chloride into the stirring tank through the third feed opening, adding the stabilizing agent and the viscosity reducer through the first feed opening, controlling the regulator, and uniformly stirring to form a second mixture; opening a control valve of a stirring tank, enabling the second mixture to enter a leaching tank, and performing gum dipping and drying to form a crude glove product; spraying titanium dioxide and blue paste on the dried glove crude product by using a spraying device, heating and cooling to form the polyvinyl chloride-butadiene-acrylonitrile rubber composite glove; therefore, the tensile property, oil resistance and cold resistance of the polyvinyl chloride nitrile rubber composite glove can be effectively improved, and compared with the preparation of gloves with the same performance, the cost can be saved and the process is simple.
Description
Technical Field
The invention relates to the field of glove preparation processes, in particular to a preparation process of polyvinyl chloride butadiene-acrylonitrile rubber composite gloves.
Background
Polyvinyl chloride (PVC) has wide raw material sources, low product cost, light weight and convenient construction, maintenance and repair, and is a second-place general plastic. However, PVC materials have the defects of poor toughness, poor heat resistance and the like, and the development of the PVC materials in the field with higher performance requirements is restricted. The nitrile rubber is prepared from butadiene and acrylonitrile by an emulsion polymerization method, is mainly produced by a low-temperature emulsion polymerization method, has excellent oil resistance, higher wear resistance, better heat resistance and strong bonding force, and has the defects of poor low-temperature resistance, poor ozone resistance, poor insulating property and slightly low elasticity.
The polyvinyl chloride and the nitrile rubber have larger molecular structure difference, a medium for melting the polyvinyl chloride is a plasticizer and belongs to an oily dispersion, the nitrile rubber synthesized nitrile latex is an aqueous medium, the polyvinyl chloride and the nitrile rubber are difficult to be compatible and compounded, and meanwhile, the plasticizing temperature of the polyvinyl chloride is different from the vulcanizing temperature of the nitrile rubber, so that the same plasticizing effect is difficult to achieve. How to make polyvinyl chloride and nitrile rubber compatible can improve the defects of polyvinyl chloride and nitrile rubber, realize coexistence of the advantages and form a breakthrough problem for various enterprises.
At present, some preparation processes related to composite rubber gloves exist, most of the rubber gloves prepared by the preparation processes are good in wear resistance and low temperature resistance, complex in general process, high in cost, low in oil resistance, cold resistance and acid and alkali resistance, uneven in coloring, too high or too low in tensile property, so that the prepared gloves are too soft or too hard, and the comprehensive cost performance is not high.
Disclosure of Invention
Therefore, the invention provides a preparation process of polyvinyl chloride butadiene-acrylonitrile rubber composite gloves, which can effectively solve the technical problems in the prior art.
In order to achieve the purpose, the invention provides a preparation process of polyvinyl chloride butadiene-acrylonitrile rubber composite gloves, which comprises the following steps:
step one, pouring a plasticizer into a stirring tank through a first feed opening, pouring liquid nitrile-butadiene rubber into the stirring tank through a second feed opening, controlling a regulator, and uniformly stirring to form a first mixture;
pouring polyvinyl chloride into a stirring tank through a third feed opening, controlling a regulator to stir the polyvinyl chloride and the first mixture into paste, adding a stabilizer and a viscosity reducer through a first feed opening, controlling the regulator to stir uniformly to form a second mixture, detecting the tensile property of the second mixture in real time by using a tensile property detector, wherein the detected tensile property index is Q, detecting the oil resistance of the second mixture in real time by using an oil resistance detector, the detected oil resistance index is S, detecting the viscosity of the second mixture in real time by using an acid-base resistance detector, the detected viscosity is eta, detecting the alkali resistance of the second mixture in real time by using a pH value detector, the detected acid-base resistance index is P, and detecting the floating color and floating color prevention performance of the second mixture in real time by using the floating color and floating color prevention detector, wherein the detected floating color and floating color prevention index is A;
opening a control valve of a stirring tank, enabling the second mixture to enter a leaching tank, and performing gum dipping and drying to form a crude glove product;
spraying titanium dioxide and blue paste on the dried glove crude product by using a spraying device, heating and cooling to form the polyvinyl chloride-butadiene-acrylonitrile rubber composite glove;
the stirring tank is connected with a central control module through wireless, the central control module is used for controlling the reaction process from the first step to the third step, and a matrix is arranged in the central control module;
the first feed opening is provided with a first control valve for controlling the opening/closing of the first feed opening;
the second feed opening is provided with a second control valve for controlling the opening/closing of the second feed opening;
the central control module is provided with a plasticizer increment matrix Δ m1 (Δ m11, Δ m12, Δ m 13), wherein Δ m11 represents a first increment of plasticizer, Δ m12 represents a second increment of plasticizer, and Δ m13 represents a third increment of plasticizer;
the central control module is also provided with a liquid nitrile butadiene rubber increment matrix delta M1 (delta M11, delta M12 and delta M13), wherein the delta M11 represents a first increment of liquid nitrile butadiene rubber, the delta M12 represents a second increment of liquid nitrile butadiene rubber, and the delta M13 represents a third increment of liquid nitrile butadiene rubber;
the central control module is further provided with a preset tensile property index matrix Q0 (Q01, Q02, Q03), wherein Q01 represents a first preset tensile property index, Q02 represents a second preset tensile property index, and Q03 represents a third preset tensile property index;
the central control module is also provided with a preset oil resistance index matrix S0 (S01, S02), wherein S01 represents a first preset oil resistance index, and S02 represents a second preset oil resistance index;
the central control module is further provided with a stirring time matrix t (t 1, t 2), wherein t1 represents a first stirring time, and t2 represents a second stirring time;
the central control module is also provided with a stirring speed matrix V (V1, V2), wherein V1 represents a first stirring speed, and V2 represents a second stirring speed;
the central control module is also provided with a time matrix T (T1, T2, T3), wherein T1 represents a first time period, T2 represents a second time period, and T3 represents a third time period;
in a first time period T1, if the tensile property index Q is smaller than a first preset tensile property index Q01, adjusting a first control valve, and adding a first increment delta m11 of a plasticizer;
if the tensile property index Q is larger than a second preset tensile property index Q02, controlling the regulator to enable the stirring time to be a first stirring time t1 and the stirring speed to be a first stirring speed V1;
and if the first preset tensile property index Q01 is not more than the tensile property index Q is not more than the second preset tensile property index Q02, obtaining the value of the oil resistance index S, if the oil resistance index S is less than the first preset oil resistance index S01, adjusting a second control valve, adding a first increment delta M11 of liquid nitrile rubber, and if the oil resistance index S is not less than the first preset oil resistance index S01, enabling the second mixture to accord with the preset condition.
Further, in a second time period T2, if the tensile property index Q is smaller than a second preset tensile property index Q02, adjusting a first control valve, and adding a second increment delta m12 of the plasticizer;
if the tensile property index Q is larger than a third preset tensile property index Q03, controlling the regulator to enable the stirring time to be a second stirring time t2 and the stirring speed to be a second stirring speed V2;
and if the second preset tensile property index Q02 is not more than the second preset tensile property index Q is not more than the third preset tensile property index Q03, obtaining the value of the oil resistance index S, if the oil resistance index S is less than the second preset oil resistance index S02, adjusting a second control valve, adding a second increment delta M12 of the liquid nitrile rubber, and if the oil resistance index S is not less than the second preset oil resistance index S02, enabling the second mixture to accord with the preset condition.
Further, in a third time period T3, if the tensile property index Q is smaller than a third preset tensile property index Q03, adjusting the first control valve, and adding a third increment delta m13 of the plasticizer;
and if the tensile property index Q is not less than a third preset tensile property index Q03, controlling the regulator to enable the stirring time to be a third stirring time t3 and the stirring speed to be a third stirring speed V3.
Further, the central control module is further provided with a preset viscosity matrix eta 0 (eta 01, eta 02, eta 03), wherein eta 01 represents a first preset viscosity range, eta 02 represents a second preset viscosity range, and eta 03 represents a third preset viscosity range;
at a certain determined moment, if the viscosity eta is within a first preset viscosity range eta 01, controlling the regulator to enable the stirring time to be a second stirring time t2, wherein the stirring speed is a second stirring speed V2, if the viscosity eta is within a second preset viscosity range eta 02, controlling the regulator to enable the stirring time to be a first stirring time t1, wherein the stirring speed is a first stirring speed V1, and if the viscosity eta is within a third preset viscosity range eta 03, enabling the polyvinyl chloride and the paste of the first mixture to be in accordance with preset conditions.
Further, the central control module is further provided with a preset acid and alkali resistance index matrix P0 (PO 1, P02, P03), wherein PO1 represents a first preset acid and alkali resistance index, P02 represents a second preset acid and alkali resistance index, and P03 represents a third preset acid and alkali resistance index;
the central control module is also provided with a polyvinyl chloride increment matrix delta m2 (delta m21, delta m22 and delta m 23), wherein the delta m21 represents a first increment of polyvinyl chloride, the delta m22 represents a second increment of polyvinyl chloride, and the delta m23 represents a third increment of polyvinyl chloride;
the central control module is also provided with a viscosity reducer increment matrix delta M2 (delta M21, delta M22 and delta M23), wherein the delta M21 represents a first increment of the viscosity reducer, the delta M22 represents a second increment of the viscosity reducer, and the delta M23 represents a third increment of the viscosity reducer;
the central control module is also provided with a preset floating color prevention and flowering index matrix A0 (A01, A02 and A03), wherein A01 represents a first preset floating color prevention and flowering index, A02 represents a second preset floating color prevention and flowering index, and A03 represents a third preset floating color prevention and flowering index;
the third feed opening is provided with a third control valve for controlling the opening/closing of the third feed opening;
the first feed inlet is provided with a fourth control valve for controlling the opening/closing of the fourth feed inlet;
at a certain determined moment, if the acid and alkali resistance index P is smaller than or larger than a first preset acid and alkali resistance index PO1, adjusting a third control valve, adding a first increment delta M21 of polyvinyl chloride, if the acid and alkali resistance index P is equal to the first preset acid and alkali resistance index PO1, obtaining the value of the floating color prevention flowering index A, if the floating color prevention flowering index A is smaller than the first preset floating color prevention flowering index A01, adjusting a fourth control valve, adding a viscosity reducer first increment delta M21, and if the floating color prevention flowering index A is larger than or equal to the first preset floating color prevention flowering index A01, enabling the second mixture to reach a preset condition.
Further, at a certain determined moment, if the acid and alkali resistance index P is smaller than or larger than a second preset acid and alkali resistance index PO2, adjusting a third control valve, adding a second increment Δ M22 of polyvinyl chloride, if the acid and alkali resistance index P is equal to the second preset acid and alkali resistance index PO2, obtaining a value of the floating color prevention flowering index A, if the floating color prevention flowering index A is smaller than the second preset floating color prevention flowering index A02, adjusting a fourth control valve, adding a viscosity reducer second increment Δ M22, and if the floating color prevention flowering index A is larger than or equal to the second preset floating color prevention flowering index A02, enabling the second mixture to reach a preset condition.
Further, at a certain determined moment, if the acid and alkali resistance index P is less than or greater than a third preset acid and alkali resistance index PO3, adjusting a third control valve, adding a third increment Δ M23 of polyvinyl chloride, if the acid and alkali resistance index P is equal to the third preset acid and alkali resistance index PO3, obtaining a value of a floating color prevention and floating color development index a, if the floating color prevention and floating color development index a is less than the third preset floating color prevention and floating color development index a03, adjusting a fourth control valve, adding a viscosity reducer third increment Δ M23, and if the floating color prevention and floating color development index a is greater than or equal to the third preset floating color prevention and floating color development index a03, enabling the second mixture to reach a preset condition.
Further, the drying adopts a rubber glove dryer to implement the drying operation.
Furthermore, the spraying device is provided with a spray gun for uniformly spraying the glove crude product.
Further, the stirring tank is a stainless steel stirring tank.
Compared with the prior art, the method has the advantages that the plasticizer is poured into the stirring tank through the first discharging port, the liquid nitrile rubber is poured into the stirring tank through the second discharging port, the regulator is controlled to be uniformly stirred to form a first mixture, then the polyvinyl chloride is poured into the stirring tank through the third discharging port, the regulator is controlled to enable the polyvinyl chloride and the first mixture to be stirred into paste, then the stabilizing agent and the viscosity reducing agent are added through the first feeding port to control the regulator to be uniformly stirred to form a second mixture, in the process, the tensile property of the second mixture is detected in real time through the tensile property detector, the oil resistance of the second mixture is detected in real time through the oil resistance detector, then the stirring tank control valve is opened to enable the second mixture to enter the cleaning tank, the second mixture is subjected to gum dipping and drying to form a glove crude product, finally, the dried glove crude product is sprayed with the blue-color paste through the spraying device, the glove is heated and cooled to form the butyronitrile rubber compound gloves, so that the total amount of the plasticizer in the stirring tank can be changed through the adjustment of the plasticizer, the tensile property of the stirring tank and the stirring process of the butyronitrile, the second mixture, the polyvinyl chloride can be effectively adjusted by adjusting the process, and the cost of the polyvinyl chloride and the polyvinyl chloride of the same type glove can be effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a device for manufacturing polyvinyl chloride nitrile rubber composite gloves according to the invention;
FIG. 2 is a schematic flow chart of a process for preparing the polyvinyl chloride nitrile rubber composite glove of the present invention;
in the figure: 1-a stirring tank; 11-a first feed opening; 111-a first control valve; 12-a second feed opening; 121-a second control valve; 13-a third feed opening; 131-a third control valve; 14-a first feed port; 141-a fourth control valve; 15-a regulator; 16-a stirred tank control valve; 2-a cleaning tank; and 3-spraying device.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a device for manufacturing a pvc-nitrile rubber composite glove according to the present invention, and fig. 2 is a schematic flow diagram of a process for manufacturing a pvc-nitrile rubber composite glove according to the present invention. The preparation device of the polyvinyl chloride nitrile rubber composite glove provided by the embodiment of the invention comprises the following steps: a stirring tank 1, a leaching tank 2 and a spraying device 3.
The stirring tank 1 comprises a first feed opening 11, a second feed opening 12, a third feed opening 13, a first feed opening 14, an adjuster 15 and a stirring tank control valve 16, wherein the first feed opening 11, the second feed opening 12, the third feed opening 13, the first feed opening 14 and the adjuster 15 are all arranged above the stirring tank 1 and are arranged in sequence, and the stirring tank control valve 16 is arranged on the side surface of the stirring tank 1; the first discharging port 11 is used for adding a plasticizer, a first control valve 111 is arranged on the first discharging port, and the first control valve 111 is used for controlling the opening/closing of the first discharging port 11; the second feed opening 12 is used for adding liquid nitrile rubber, a second control valve 121 is arranged on the second feed opening 12, and the second control valve 121 is used for controlling the second feed opening 12 to open/close; the third feed opening 13 is used for adding polyvinyl chloride, and a third control valve 131 is arranged on the third feed opening, and the third control valve 131 is used for controlling the third feed opening 13 to open/close; the first feeding port 14 is used for adding a stabilizer and a viscosity reducer, a fourth control valve 141 is arranged on the first feeding port, and the fourth control valve 141 is used for controlling the first feeding port 14 to be opened/closed; the regulator 15 is used for controlling the stirring tank 1 to stir; the stirring tank control valve 16 is used for controlling whether the material in the stirring tank 1 flows into the leaching tank 2 or not;
the leaching tank 2 is arranged below one side of the stirring tank 1 with the stirring tank control valve 16 and is used for leaching and drying the second mixture to form a crude glove product;
the spraying device 3 is of an inverted L shape and is arranged at one end of the leaching tank 2, the end of the leaching tank is not arranged below the stirring tank control valve 16, and the spraying device 3 is used for spraying to form the polyvinyl chloride butadiene-acrylonitrile rubber composite gloves.
Referring to fig. 1, based on the apparatus for preparing the polyvinyl chloride nitrile rubber composite glove, the process for preparing the polyvinyl chloride nitrile rubber composite glove of the embodiment includes:
step one, pouring a plasticizer into a stirring tank 1 through a first feed opening 11, pouring liquid nitrile rubber into the stirring tank 1 through a second feed opening 12, and controlling a regulator 15 to stir uniformly to form a first mixture, wherein the plasticizer is a high polymer material auxiliary agent, can enhance the flexibility of a substance and is easy to process, the initial plasticizer in the invention is 60-70 parts, the liquid nitrile rubber has good oil resistance and low temperature resistance and can change the chemical property of the substance, the initial liquid nitrile rubber in the invention is 5-40 parts, and the controller 15 controls the stirring speed and time by regulating the regulator 15;
step two, polyvinyl chloride is poured into the stirring tank 1 through the third feed opening 13, the regulator 15 is controlled, the polyvinyl chloride and the first mixture are stirred into paste, the stabilizing agent and the viscosity reducing agent are added through the first feed opening 14, the regulator 15 is controlled, the stirring is uniform, a second mixture is formed, the tensile property of the second mixture is detected in real time by the tensile property detector, the detected tensile property index is Q, the oil resistance of the second mixture is detected in real time by the oil resistance detector, the detected oil resistance index is S, the viscosity of the second mixture is detected in real time by the viscosity detector, the detected viscosity is eta, the acid and alkali resistance of the second mixture is detected in real time by the pH value detector, the detected acid and alkali resistance index is P, the anti-flooding and anti-floating performance of the second mixture is detected in real time by an anti-flooding and anti-floating detector, the detected anti-flooding and anti-floating index is A, the polyvinyl chloride is also called PVC, is a high molecular material obtained by vinyl chloride through addition polymerization reaction, is a third most widely produced synthetic plastic polymer after polyethylene and polypropylene, is yellowish, and has good acid and alkali resistance, the initial polyvinyl chloride is 100 parts in the invention, the stabilizer can increase the stability of substances, and the substances keep chemical balance, the stabilizer is 0.1-10 parts in the invention, the viscosity reducer has good dispersibility on inorganic pigments and fillers such as titanium dioxide and the like, and has good anti-flooding and anti-floating effects, and the initial viscosity reducer is 0.1-10 parts in the invention;
step three, opening a control valve 16 of a stirring tank, enabling the second mixture to enter a cleaning tank 2, performing gum dipping and drying to form a glove crude product, enabling the second mixture to enter a gum dipping production line after entering the cleaning tank 2, performing gum dipping on the glove mold equipment along the production line, and drying after gum dipping to form the glove crude product;
and fourthly, spraying titanium dioxide and blue paste on the dried glove crude product through a spraying device 3, heating and cooling to form the polyvinyl chloride butadiene-acrylonitrile rubber composite glove, wherein the spraying device 3 is installed at the tail of a gum dipping production line, the titanium dioxide is white pigment and is used for bleaching the glove crude product which is changed into yellowish after polyvinyl chloride is added, the titanium dioxide is 1-10 parts, the blue paste is pigment and is used for dyeing, the blue paste is 2-10 parts, a producer can replace pigments with other colors according to needs, and the heating and cooling adopt conventional equipment of a gum feeding production line.
The stirring tank 1 is connected with a central control module through a wireless connection mode, the central control module is used for controlling the reaction process from the first step to the third step, and a matrix is arranged in the central control module;
the central control module is provided with a first control valve 111 for controlling the opening/closing of the first feed opening 11;
the central control module is further provided with a second control valve 121 for controlling the opening/closing of the second feed opening 12; the first discharge opening 11 is provided with a plasticizer increment matrix Δ m1 (Δ m11, Δ m12, Δ m 13), wherein Δ m11 represents a first increment of the plasticizer, Δ m12 represents a second increment of the plasticizer, and Δ m13 represents a third increment of the plasticizer;
the central control module is also provided with a liquid nitrile butadiene rubber increment matrix delta M1 (delta M11, delta M12 and delta M13), wherein the delta M11 represents a first increment of liquid nitrile butadiene rubber, the delta M12 represents a second increment of liquid nitrile butadiene rubber, and the delta M13 represents a third increment of liquid nitrile butadiene rubber;
the central control module is further provided with a preset tensile property index matrix Q0 (Q01, Q02, Q03), wherein Q01 represents a first preset tensile property index, Q02 represents a second preset tensile property index, and Q03 represents a third preset tensile property index;
the central control module is also provided with a preset oil resistance index matrix S0 (S01, S02), wherein S01 represents a first preset oil resistance index, and S02 represents a second preset oil resistance index; the regulator 15 is provided with a stirring time matrix t (t 1, t 2), where t1 represents a first stirring time and t2 represents a second stirring time;
the central control module is also provided with a stirring speed matrix V (V1, V2), wherein V1 represents a first stirring speed, and V2 represents a second stirring speed;
the central control module is also provided with a time matrix T (T1, T2, T3), wherein T1 represents a first time period, T2 represents a second time period, and T3 represents a third time period;
in a first time period T1, if the tensile property index Q is smaller than a first preset tensile property index Q01, adjusting a first control valve 111, and adding a first increment delta m11 of a plasticizer; if the tensile property index Q is larger than a second preset tensile property index Q02, controlling the regulator 15 to enable the stirring time to be a first stirring time t1 and the stirring speed to be a first stirring speed V1; if the first preset tensile property index Q01 is not more than the tensile property index Q is not more than the second preset tensile property index Q02, the value of the oil resistance index S is obtained, if the oil resistance index S is less than the first preset oil resistance index S01, the second control valve 121 is adjusted, the first increment delta M11 of the liquid nitrile rubber is added, and if the oil resistance index S is not less than the first preset oil resistance index S01, the second mixture accords with the preset condition.
In the embodiment of the invention, a plasticizer is poured into a stirring tank 1 from a first feed opening 11, liquid nitrile rubber is poured into the stirring tank 1 from a second feed opening 12, a controller 15 is controlled to stir uniformly to form a first mixture, then polyvinyl chloride is poured into the stirring tank 1 from a third feed opening 13, the controller 15 is controlled to stir the polyvinyl chloride and the first mixture into paste, then a stabilizer and a viscosity reducer are added through a first feed opening 14, the controller 15 is controlled to stir uniformly to form a second mixture, in the process, a tensile property detector is used for detecting the tensile property of the second mixture in real time, an oil resistance detector is used for detecting the oil resistance of the second mixture in real time, then a stirring tank control valve 16 is opened, the second mixture enters a soaking tank 2, gum dipping and drying are carried out to form a crude glove, and finally, through the crude spraying titanium white powder of gloves after 3 will drying and blue color cream of spray coating device, the heating, the cooling, form polyvinyl chloride butyronitrile rubber composite glove to can change the total amount of plasticizer in agitator tank 1 and control agitator tank 1's churning time and stirring speed through regulator 15 through adjusting first control valve 111, make the tensile property of the second mixture accord with preset condition, change the total amount of liquid butyronitrile rubber in agitator tank 1 through adjusting second control valve 121 and make the oil resistance of the second mixture accord with preset condition, liquid butyronitrile rubber is compared in other same type material cold resistance better, thereby improved effectively the tensile property, oil resistance and the cold resistance of technology to polyvinyl chloride butyronitrile rubber composite glove, can save cost and simple process in the preparation of equivalent performance gloves.
Specifically, in a second time period T2, if the tensile property index Q is less than a second preset tensile property index Q02, adjusting the first control valve 111, and adding a second increment Δ m12 of the plasticizer; if the tensile property index Q is larger than a third preset tensile property index Q03, controlling the regulator 15 to enable the stirring time to be a second stirring time t2 and the stirring speed to be a second stirring speed V2; and if the second preset tensile property index Q02 is not less than the tensile property index Q and not more than the third preset tensile property index Q03, obtaining the value of the oil resistance index S, if the oil resistance index S is less than the second preset oil resistance index S02, adjusting a second control valve 121, adding a second increment delta M12 of the liquid nitrile rubber, and if the oil resistance index S is not less than the second preset oil resistance index S02, enabling the second mixture to meet the preset condition. Therefore, the total amount of the plasticizer in the stirring tank 1 can be changed by adjusting the first control valve 111, the stirring time and the stirring speed of the stirring tank 1 can be controlled by the adjuster 15, the tensile property of the second mixture accords with the preset condition, the total amount of the liquid nitrile rubber in the stirring tank 1 is changed by adjusting the second control valve 121, the oil resistance of the second mixture accords with the preset condition, and the tensile property and the oil resistance of the process for the polyvinyl chloride nitrile rubber composite gloves are effectively improved.
Specifically, in a third time period T3, if the tensile property index Q is less than a third preset tensile property index Q03, adjusting the first control valve 111, and adding a third increment Δ m13 of the plasticizer; if the tensile property index Q is not less than the third preset tensile property index Q03, the regulator 15 is controlled to enable the stirring time to be the third stirring time t3 and the stirring speed to be the third stirring speed V3. Thereby can change the total amount of plasticizer in agitator tank 1 and control agitator tank 1's stirring time and stirring speed through regulator 15 through adjusting first control valve 111, make the tensile property of second mixture accord with the predetermined condition, the convenient further improvement to oil resistance.
Specifically, the central control module is further provided with a preset viscosity matrix eta 0 (eta 01, eta 02, eta 03), wherein eta 01 represents a first preset viscosity range, eta 02 represents a second preset viscosity range, and eta 03 represents a third preset viscosity range;
at a certain determined moment, if the viscosity eta is within a first preset viscosity range eta 01, controlling the regulator 15 to enable the stirring time to be a second stirring time t2, the stirring speed to be a second stirring speed V2, if the viscosity eta is within a second preset viscosity range eta 02, controlling the regulator 15 to enable the stirring time to be a first stirring time t1, the stirring speed to be a first stirring speed V1, and if the viscosity eta is within a third preset viscosity range eta 03, enabling the polyvinyl chloride and the paste stirred by the first polyvinyl chloride to accord with preset mixing conditions. The viscosity detector in the embodiment of the invention detects the viscosity of the second mixture in real time, and compares the real-time detection value of the viscosity with the preset value, so that the stirring time and the stirring speed of the stirring tank 1 can be controlled through the regulator 15, the paste of the polyvinyl chloride and the first mixture is stirred to meet the preset condition, and the next operation is facilitated.
Specifically, the central control module is further provided with a preset acid and alkali resistance index matrix P0 (PO 1, P02 and P03), wherein PO1 represents a first preset acid and alkali resistance index, P02 represents a second preset acid and alkali resistance index, and P03 represents a third preset acid and alkali resistance index;
the central control module is also provided with a polyvinyl chloride increment matrix delta m2 (delta m21, delta m22 and delta m 23), wherein the delta m21 represents a first increment of polyvinyl chloride, the delta m22 represents a second increment of polyvinyl chloride, and the delta m23 represents a third increment of polyvinyl chloride;
the central control module is also provided with a viscosity reducer increment matrix delta M2 (delta M21, delta M22 and delta M23), wherein the delta M21 represents a first increment of the viscosity reducer, the delta M22 represents a second increment of the viscosity reducer, and the delta M23 represents a third increment of the viscosity reducer;
the central control module is also provided with a preset floating color prevention and floating color prevention index matrix A0 (A01, A02 and A03), wherein A01 represents a first preset floating color prevention and floating color prevention index, A02 represents a second preset floating color prevention and floating color prevention index, and A03 represents a third preset floating color prevention and floating color prevention index;
the central control module is further provided with a third control valve 131 for controlling the opening/closing of the third feed opening 13;
the first charging port 14 is provided with a fourth control valve 141 for controlling the opening/closing of the fourth charging port;
at a certain determined moment, if the acid and alkali resistance index P is smaller than or larger than a first preset acid and alkali resistance index PO1, adjusting the third control valve 131, adding a first increment delta M21 of polyvinyl chloride, if the acid and alkali resistance index P is equal to the first preset acid and alkali resistance index PO1, obtaining the value of the floating color prevention flowering index A, if the floating color prevention flowering index A is smaller than the first preset floating color prevention flowering index A01, adjusting the fourth control valve 141, adding a first increment delta M21 of a viscosity reducer, and if the floating color prevention flowering index A is larger than or equal to the first preset floating color prevention flowering index A01, enabling the second mixture to reach a preset condition.
The pH value detector in the embodiment of the invention detects the acid and alkali resistance of the second mixture in real time, the floating color and floating color prevention detector detects the floating color and floating color prevention performance of the second mixture in real time, a real-time measured value of the acid and alkali resistance index is compared with a preset value, and a real-time measured value of the floating color and floating color prevention index is compared with the preset value, so that the total amount of polyvinyl chloride can be changed by adjusting the third control valve 131, the acid and alkali resistance of the second mixture meets a preset condition, the total amount of the acid and floating color prevention viscosity reducer is changed by adjusting the fourth control valve 141, the floating color and floating color prevention performance of the second mixture meets the preset condition, and the alkali resistance and the floating color and floating color prevention performance of the polyvinyl chloride nitrile rubber composite gloves are effectively improved.
Specifically, at a certain determined moment, if the acid and alkali resistance index P is smaller than or larger than a second preset acid and alkali resistance index PO2, the third control valve 131 is adjusted, a second increment Δ M22 of polyvinyl chloride is added, if the acid and alkali resistance index P is equal to the second preset acid and alkali resistance index PO2, the value of the floating color prevention flowering index a is obtained, if the floating color prevention flowering index a is smaller than the second preset floating color prevention flowering index a02, the fourth control valve 141 is adjusted, a second increment Δ M22 of the viscosity reducer is added, and if the floating color prevention flowering index a is larger than or equal to the second preset floating color prevention flowering index a02, the second mixture can reach a preset condition. Thereby can change the total amount of polyvinyl chloride through adjusting third control valve 131, make the acid and alkali resistance of second mixture accord with the preset condition, change the total amount of viscosity breaker through adjusting fourth control valve 141, make the anti-floating of second mixture turn into the flower performance and accord with the preset condition, thereby improved effectively the process is to polyvinyl chloride nitrile rubber composite glove's acid and alkali resistance and anti-floating to turn into the flower performance.
Specifically, at a certain determined moment, if the acid-base resistance index P is less than or greater than a third preset acid-base resistance index PO3, the third control valve 131 is adjusted, a third increment Δ M23 of polyvinyl chloride is added, if the acid-base resistance index P is equal to the third preset acid-base resistance index PO3, the value of the floating color floating prevention index a is obtained, if the floating color floating prevention index a is less than the third preset floating color floating prevention index a03, the fourth control valve 141 is adjusted, the viscosity reducer is added in the third increment Δ M23, and if the floating color floating prevention index a is greater than or equal to the third preset floating color floating prevention index a03, the second mixture can reach a preset condition. Thereby can change the total amount of polyvinyl chloride through adjusting third control valve 131, make the acid and alkali resistance of second mixture accord with the preset condition, change the total amount of viscosity breaker through adjusting fourth control valve 141, make the anti-floating of second mixture turn into the flower performance and accord with the preset condition, thereby improved effectively the process is to polyvinyl chloride nitrile rubber composite glove's acid and alkali resistance and anti-floating to turn into the flower performance.
Specifically, the drying is implemented by a rubber glove dryer. Therefore, the stability of the polyvinyl chloride butadiene-acrylonitrile rubber composite glove in the preparation process can be ensured, and the preparation speed is improved.
Specifically, the spraying device 3 is provided with a spray gun for uniformly spraying the glove crude product. Therefore, the crude product of the glove can be quickly and uniformly sprayed with titanium dioxide and blue paste, and the polyvinyl chloride butadiene-acrylonitrile rubber composite glove is prepared after heating and drying.
Specifically, the stirring tank 1 is a stainless stirring tank. The stainless steel stirring tank has stable chemical property, so that the smooth operation of the process preparation process can be effectively ensured.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A preparation process of polyvinyl chloride nitrile rubber composite gloves is characterized by comprising the following steps:
step one, pouring a plasticizer into a stirring tank through a first feed opening, pouring liquid nitrile-butadiene rubber into the stirring tank through a second feed opening, controlling a regulator, and uniformly stirring to form a first mixture;
pouring polyvinyl chloride into a stirring tank through a third feed opening, controlling a regulator to stir the polyvinyl chloride and the first mixture into paste, adding a stabilizer and a viscosity reducer through a first feed opening, controlling the regulator to stir uniformly to form a second mixture, performing real-time detection on the tensile property of the second mixture by using a tensile property detector to obtain a tensile property index Q, performing real-time detection on the oil resistance of the second mixture by using an oil resistance detector to obtain an oil resistance index S, performing real-time detection on the viscosity of the second mixture by using a viscosity detector to obtain a viscosity eta, performing real-time detection on the alkalinity of the second mixture by using a pH value detector to obtain an acid and alkali resistance index P, and performing real-time detection on the flooding and flooding resistance of the second mixture by using a flooding and flooding resistance detector to obtain a flooding and flooding resistance index A;
opening a control valve of a stirring tank, enabling the second mixture to enter a cleaning tank, dipping glue, and drying to form a glove crude product;
spraying titanium dioxide and blue paste on the dried glove crude product by using a spraying device, heating and cooling to form the polyvinyl chloride-butadiene-acrylonitrile rubber composite glove;
the stirring tank is connected with a central control module through wireless, the central control module is used for controlling the reaction process from the first step to the third step, and a matrix is arranged in the central control module;
the first feed opening is provided with a first control valve for controlling the opening/closing of the first feed opening;
the second feed opening is provided with a second control valve for controlling the opening/closing of the second feed opening;
the central control module is provided with a plasticizer increment matrix Δ m1 (Δ m11, Δ m12, Δ m 13), wherein Δ m11 represents a first increment of plasticizer, Δ m12 represents a second increment of plasticizer, and Δ m13 represents a third increment of plasticizer;
the central control module is also provided with a liquid nitrile butadiene rubber increment matrix delta M1 (delta M11, delta M12 and delta M13), wherein the delta M11 represents a first increment of liquid nitrile butadiene rubber, the delta M12 represents a second increment of liquid nitrile butadiene rubber, and the delta M13 represents a third increment of liquid nitrile butadiene rubber;
the central control module is further provided with a preset tensile property index matrix Q0 (Q01, Q02, Q03), wherein Q01 represents a first preset tensile property index, Q02 represents a second preset tensile property index, and Q03 represents a third preset tensile property index;
the central control module is also provided with a preset oil resistance index matrix S0 (S01, S02), wherein S01 represents a first preset oil resistance index, and S02 represents a second preset oil resistance index;
the central control module is further provided with a stirring time matrix t (t 1, t 2), wherein t1 represents a first stirring time, and t2 represents a second stirring time;
the central control module is also provided with a stirring speed matrix V (V1, V2), wherein V1 represents a first stirring speed, and V2 represents a second stirring speed;
the central control module is also provided with a time matrix T (T1, T2, T3), wherein T1 represents a first time period, T2 represents a second time period, and T3 represents a third time period;
in a first time period T1, if the tensile property index Q is smaller than a first preset tensile property index Q01, adjusting a first control valve, and adding a first increment delta m11 of a plasticizer;
if the tensile property index Q is larger than a second preset tensile property index Q02, controlling the regulator to enable the stirring time to be a first stirring time t1 and the stirring speed to be a first stirring speed V1;
if the first preset tensile property index Q01 is not more than the tensile property index Q is not more than the second preset tensile property index Q02, obtaining the value of the oil resistance index S, if the oil resistance index S is less than the first preset oil resistance index S01, adjusting a second control valve, adding a first increment delta M11 of liquid nitrile rubber, and if the oil resistance index S is not less than the first preset oil resistance index S01, enabling a second mixture to meet preset conditions;
the central control module is further provided with a preset acid and alkali resistance index matrix P0 (PO 1, P02 and P03), wherein the PO1 represents a first preset acid and alkali resistance index, the P02 represents a second preset acid and alkali resistance index, and the P03 represents a third preset acid and alkali resistance index;
the central control module is also provided with a polyvinyl chloride increment matrix delta m2 (delta m21, delta m22 and delta m 23), wherein the delta m21 represents a first increment of polyvinyl chloride, the delta m22 represents a second increment of polyvinyl chloride, and the delta m23 represents a third increment of polyvinyl chloride;
the central control module is also provided with a viscosity reducer increment matrix delta M2 (delta M21, delta M22 and delta M23), wherein the delta M21 represents a first increment of the viscosity reducer, the delta M22 represents a second increment of the viscosity reducer, and the delta M23 represents a third increment of the viscosity reducer;
the central control module is also provided with a preset floating color prevention and floating color prevention index matrix A0 (A01, A02 and A03), wherein A01 represents a first preset floating color prevention and floating color prevention index, A02 represents a second preset floating color prevention and floating color prevention index, and A03 represents a third preset floating color prevention and floating color prevention index;
the third feed opening is provided with a third control valve for controlling the opening/closing of the third feed opening;
the first feed inlet is provided with a fourth control valve for controlling the opening/closing of the fourth feed inlet;
at a certain determined moment, if the acid and alkali resistance index P is smaller than or larger than a first preset acid and alkali resistance index PO1, adjusting a third control valve, adding a first increment delta M21 of polyvinyl chloride, if the acid and alkali resistance index P is equal to the first preset acid and alkali resistance index PO1, obtaining a value of an anti-flooding index A, if the anti-flooding index A is smaller than the first preset anti-flooding index A01, adjusting a fourth control valve, adding a first increment delta M21 of a viscosity reducer, and if the anti-flooding index A is larger than or equal to the first preset anti-flooding index A01, enabling the second mixture to reach a preset condition.
2. The process for preparing polyvinyl chloride nitrile rubber composite gloves according to claim 1, wherein in a second time period T2, if the tensile property index Q is less than a second preset tensile property index Q02, the first control valve is adjusted, and a second increment Δ m12 of plasticizer is added;
if the tensile property index Q is larger than a third preset tensile property index Q03, controlling the regulator to enable the stirring time to be a second stirring time t2 and the stirring speed to be a second stirring speed V2;
and if the second preset tensile property index Q02 is not more than the second preset tensile property index Q is not more than the third preset tensile property index Q03, obtaining the value of the oil resistance index S, if the oil resistance index S is less than the second preset oil resistance index S02, adjusting a second control valve, adding a second increment delta M12 of the liquid nitrile rubber, and if the oil resistance index S is not less than the second preset oil resistance index S02, enabling the second mixture to accord with the preset condition.
3. The process for preparing polyvinyl chloride nitrile rubber composite gloves according to claim 1, wherein in a third time period T3, if the tensile property index Q is less than a third preset tensile property index Q03, the first control valve is adjusted, and a third increment Δ m13 of the plasticizer is added;
if the tensile property index Q is not less than a third preset tensile property index Q03, controlling the regulator to enable the stirring time to be a third stirring time t3 and the stirring speed to be a third stirring speed V3.
4. The process for preparing a polyvinyl chloride nitrile rubber composite glove according to claim 1, wherein the central control module is further provided with a preset viscosity matrix η 0 (η 01, η 02, η 03), wherein η 01 represents a first preset viscosity range, η 02 represents a second preset viscosity range, and η 03 represents a third preset viscosity range;
at a certain determined moment, if the viscosity eta is within a first preset viscosity range eta 01, controlling the regulator to enable the stirring time to be a second stirring time t2, wherein the stirring speed is a second stirring speed V2, if the viscosity eta is within a second preset viscosity range eta 02, controlling the regulator to enable the stirring time to be a first stirring time t1, wherein the stirring speed is a first stirring speed V1, and if the viscosity eta is within a third preset viscosity range eta 03, enabling the polyvinyl chloride and the paste of the first mixture to be in accordance with preset conditions.
5. The process for preparing polyvinyl chloride nitrile rubber composite gloves according to claim 1, wherein at a certain determined moment, if the acid and alkali resistance index P is less than or greater than a second preset acid and alkali resistance index PO2, a third control valve is adjusted, a second increment Δ M22 of polyvinyl chloride is added, if the acid and alkali resistance index P is equal to the second preset acid and alkali resistance index PO2, a value of an anti-flooding and anti-blooming index a is obtained, if the anti-flooding and anti-blooming index a is less than the second preset anti-flooding and anti-blooming index a02, a fourth control valve is adjusted, a second increment Δ M22 of a viscosity reducer is added, and if the anti-flooding and anti-blooming index a is greater than or equal to the second preset anti-flooding and anti-blooming index a02, the second mixture can reach a preset condition.
6. The process for preparing polyvinyl chloride nitrile rubber composite gloves according to claim 1, wherein at a certain determined moment, if the acid and alkali resistance index P is less than or greater than a third preset acid and alkali resistance index PO3, adjusting a third control valve, adding a third increment Δ M23 of polyvinyl chloride, if the acid and alkali resistance index P is equal to the third preset acid and alkali resistance index PO3, obtaining a value of an anti-flooding and anti-blooming index a, if the anti-flooding and anti-blooming index a is less than the third preset anti-flooding and anti-blooming index a03, adjusting a fourth control valve, adding a viscosity reducing agent of the third increment Δ M23, and if the anti-flooding and anti-blooming index a is greater than or equal to the third preset anti-flooding and anti-blooming index a03, the second mixture can reach a preset condition.
7. The process for preparing polyvinyl chloride nitrile rubber composite gloves according to claim 1, wherein the drying is carried out by a rubber glove dryer.
8. The process for preparing polyvinyl chloride butadiene-acrylonitrile rubber composite gloves according to claim 1, wherein the spraying device is provided with a spray gun for uniformly spraying the crude gloves.
9. The process for preparing polyvinyl chloride nitrile rubber composite gloves according to claim 1, wherein the agitator tank is a stainless steel agitator tank.
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| CN113512137A (en) * | 2021-05-08 | 2021-10-19 | 潍坊硕邑化学有限公司 | Preparation method of chlorinated polyethylene for flame-retardant ABS production |
| CN115179479B (en) * | 2022-08-08 | 2023-03-28 | 浙江德彦新材料科技有限公司 | Manufacturing process of silica gel gloves |
| CN115418011A (en) * | 2022-09-22 | 2022-12-02 | 安徽天辰化工股份有限公司 | Method for preparing labor protection gloves from resin for butadiene-acrylonitrile rubber blending modified polyvinyl chloride paste |
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| US8536268B2 (en) * | 2004-12-21 | 2013-09-17 | Dow Global Technologies Llc | Polypropylene-based adhesive compositions |
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