CN111875976A - Antibacterial and deodorant plastic composite particle and preparation method thereof - Google Patents
Antibacterial and deodorant plastic composite particle and preparation method thereof Download PDFInfo
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- CN111875976A CN111875976A CN202010807159.XA CN202010807159A CN111875976A CN 111875976 A CN111875976 A CN 111875976A CN 202010807159 A CN202010807159 A CN 202010807159A CN 111875976 A CN111875976 A CN 111875976A
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses an antibacterial and deodorant plastic composite particle and a preparation method thereof, wherein the antibacterial and deodorant plastic composite particle comprises the following raw materials in parts by weight: 13-18 parts of high polymer plastic, 5-10 parts of filler, 15-20 parts of antibacterial deodorant, 7-9 parts of antioxidant and 2-5 parts of lubricant; according to the invention, the first motor is started to drive the first motor shaft to rotate, so that the first stirring blade is driven to stir materials, primary cooling is carried out, the stirred materials enter the second feeding chamber, the first motor shaft rotates to drive the first belt pulley to rotate, so that the second belt pulley is driven to rotate through the belt, the second belt pulley drives the first rotating shaft to rotate, so that the spiral blade is driven to stir the materials, the materials finally enter the cooling chamber from the feeding channel, and the materials can be uniformly fed into the cooling chamber and simultaneously subjected to primary cooling through the arrangement of the feeding channel and the spiral blade, so that the cooling effect is improved.
Description
Technical Field
The invention relates to the technical field of composite polymers, in particular to an antibacterial and deodorant plastic composite particle and a preparation method thereof.
Background
The plastic is a plastic (flexible) material formed by processing and molding or a rigid material formed by curing and crosslinking by using a high molecular weight synthetic resin as a main component and adding appropriate additives such as a plasticizer, a stabilizer, an antioxidant, a flame retardant, a colorant and the like. In particular, antibacterial and deodorant plastic composite particles are being widely used, and a cooling and mixing device is used in the process of producing the antibacterial and deodorant plastic composite particles at present.
The existing cooling mixing device has the defects that the feeding is not uniform, the cooling efficiency is reduced due to the problem of easy blockage, the inner wall of a cooling chamber is not easy to clean, the material is wasted, the device is damaged, the single effect of the cooling mode is not obvious, a heat dissipation mechanism for multidirectional heat dissipation of a motor is lacked, the equipment is easy to break down, and the cooling efficiency is reduced.
In order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide an antibacterial and deodorant plastic composite particle and a preparation method thereof.
The technical problems to be solved by the invention are as follows:
the existing cooling mixing device has the defects that the feeding is not uniform, the cooling efficiency is reduced due to the problem of easy blockage, the inner wall of a cooling chamber is not easy to clean, the material is wasted, the device is damaged, the single effect of the cooling mode is not obvious, a heat dissipation mechanism for multidirectional heat dissipation of a motor is lacked, the equipment is easy to break down, and the cooling efficiency is reduced.
The purpose of the invention can be realized by the following technical scheme:
an antibacterial and deodorant plastic composite particle comprises the following raw materials in parts by weight: 13-18 parts of high polymer plastic, 5-10 parts of filler, 15-20 parts of antibacterial deodorant, 7-9 parts of antioxidant and 2-5 parts of lubricant;
the antibacterial and deodorant plastic composite particle is prepared by the following steps:
firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 5-6 to obtain antibacterial deodorant for use;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material in the second step into a cooling and mixing device for cooling, mixing and stirring, and discharging the material when the temperature is reduced to 30 ℃ to obtain dry powder;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
Further, the fillers are wood powder, argil and montmorillonite, and the weight ratio of the fillers is 2-3: 1-2: 1 in a mass ratio of 1.
Further, the antibacterial deodorant comprises the following raw materials in parts by weight:
5-10 parts of weak acid regulator, 15-25 parts of dipotassium hydrogen phosphate, 7-12 parts of solubilizer, 6-8 parts of metal chelating salt, 12-17 parts of cyclodextrin, 2-5 parts of active ingredient, 7-13 parts of essence and 20-30 parts of water;
the weak acid regulator comprises: one or more of carboxylic acid compounds, amino acid, inorganic acid and salts thereof are mixed in any proportion; the active component is one or more of cryptolepine and neocryptolepine or derivatives thereof, and is mixed at any ratio;
the solubilizer is one or more of triethanolamine and trimethylol methylamine which are mixed in any proportion;
the metal chelating salt is ethylene diamine tetraacetic acid dipotassium.
Furthermore, the cooling and mixing device in the third step comprises a feeding mechanism, the feeding mechanism comprises a base, a first feeding chamber is arranged above the base, a second feeding chamber is fixed at the bottom end of the outer part of the first feeding chamber, the first feeding chamber is communicated with the inner part of the second feeding chamber, a feeding channel is fixed on one side of the outer part of the second feeding chamber, which is close to the first motor, and the feeding channel is communicated with the inner part of the second feeding chamber;
a cooling mechanism is arranged on one side of the feeding mechanism close to the feeding channel, the cooling mechanism comprises a cooling chamber, a second motor is fixed at the bottom end of the outside of the cooling chamber, a second motor shaft is fixed at the output end of the second motor, the second motor shaft sequentially penetrates through the lower side wall and the upper side wall of the cooling chamber, the second motor shaft is rotatably connected with the cooling chamber, a plurality of second stirring blades which are uniformly distributed are fixed on the second motor shaft, the second stirring blades are positioned in the cooling chamber, a second rotating shaft is sleeved on the outer side of the second motor shaft and is movably connected with the second motor shaft, the top end of the second rotating shaft penetrates through the upper side wall of the cooling chamber and is rotatably connected with the cooling chamber, a first bevel gear is fixed at the top end of the second motor shaft, a second bevel gear is fixed at the top end of the outside of the cooling chamber, a vertical rod is fixed at the top end of the outside of the cooling chamber, the horizontal rod is rotatably connected with the vertical rod, a third bevel gear is fixed at one end of the horizontal rod, which is far away from the vertical rod, and the third bevel gear is meshed with the first bevel gear and the second bevel gear respectively.
Furthermore, a plurality of supporting legs which are symmetrically distributed are arranged between the first feeding chamber and the base, two ends of each supporting leg are respectively fixed with the upper surface of the base and the outer bottom end of the first feeding chamber, a first motor is fixed on one side wall of the outer part of the first feeding chamber, a first motor shaft is fixed at the output end of the first motor, the first motor shaft sequentially penetrates through the right side wall and the left side wall of the first feeding chamber and is rotatably connected with the first feeding chamber, a plurality of first stirring blades which are uniformly distributed are fixed on the outer side of the first motor shaft, the first stirring blades are positioned in the first feeding chamber, a first belt pulley is fixed on the first motor shaft, the first belt pulley is positioned outside the first feeding chamber, a second belt pulley is arranged below the first belt pulley, a belt is arranged between the first belt pulley and the second belt pulley, and a first rotating shaft is fixed at the center of the second belt pulley, the first rotating shaft sequentially penetrates through the second feeding chamber and the feeding channel, the first rotating shaft is respectively connected with the second feeding chamber and the feeding channel in a rotating mode, the first rotating shaft is provided with spiral blades, and the spiral blades are located inside the second feeding chamber and the feeding channel.
Further, the outside of second axis of rotation is fixed with first spur gear, first spur gear is located the outside of cooling chamber, the both sides of first spur gear are equipped with two second spur gears of symmetric distribution, second spur gear and first spur gear intermeshing, the center department of second spur gear is fixed with the third axis of rotation, the last lateral wall that the cooling chamber was passed to the bottom of third axis of rotation is rotated with the cooling chamber and is connected, the bottom mounting of third axis of rotation has fan blade, the bottom both sides of second axis of rotation are fixed with the head rod of two symmetric distribution, the bottom mounting of head rod has the second connecting rod, one side that the second motor shaft was kept away from to the second connecting rod is fixed with a plurality of telescopic links, the one end that the second connecting rod was kept away from to the telescopic link is fixed with the scraper blade, first expanding spring has been cup jointed in the outside of telescopic link, the both ends of first expanding spring are fixed mutually with scraper blade and second connecting rod respectively.
Further, a heat dissipation mechanism is arranged below the cooling mechanism, the heat dissipation mechanism comprises a heat dissipation chamber, the heat dissipation chamber is fixed to the outer bottom end of the cooling chamber, the second motor is located inside the heat dissipation chamber, a heat dissipation plate is fixed to the inner bottom end of the heat dissipation chamber, a first through hole is formed in the center of the heat dissipation plate, a second through hole and a third through hole are formed in each of two sides of the first through hole respectively, the first through hole is communicated with the interiors of the second through hole and the third through hole, a fan is arranged inside the first through hole, a first rotating rod is fixed to one side of the fan, a second rotating rod is fixed to the other side of the fan, one end, away from the fan, of the first rotating rod is located inside the second through hole and is rotatably connected with the second through hole through a first bearing, one end, away from the fan, of the second rotating rod sequentially penetrates through the third through hole, a first handle is fixed at one end of the second rotating rod, which is far away from the fan, and the first handle is positioned outside the heat dissipation plate;
the top end of the first handle is provided with a fourth through hole and a fifth through hole which are vertically arranged, the fourth through hole is arranged along the horizontal direction, the fifth through hole is arranged along the vertical direction, the fourth through hole is communicated with the inner part of the fifth through hole, a first sliding rod penetrates through the fourth through hole and is rotatably connected with the fourth through hole, one end of the first sliding rod, which is far away from the heat dissipation plate, is fixedly provided with a second handle, one side of the heat dissipation plate, which is close to the first handle, is provided with a plurality of first clamping grooves which are uniformly distributed along the annular direction, one end of the first sliding rod, which is close to the heat dissipation plate, is positioned inside the first clamping grooves, the first sliding rod is movably connected with the first clamping grooves, the top end of the first sliding rod is provided with a sixth through hole, the bottom ends of two inner sides of the sixth through hole are provided with two second clamping grooves which are symmetrically distributed, the second sliding rod penetrates through the fifth through hole, the top of second slide bar is fixed with the third handle, and the bottom of second slide bar is located the inside of second draw-in groove, second slide bar and second draw-in groove sliding connection, is fixed with the slider on the second slide bar, and the spout has been seted up to the inside lateral wall of fifth through-hole, slider and spout sliding connection, and the second expanding spring has been cup jointed in the outside of second slide bar, and the both ends of second expanding spring are fixed mutually with the inside top of fifth through-hole and the upper surface of slider respectively.
Further, the preparation method of the antibacterial and deodorant plastic composite particle comprises the following steps:
firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 5-6 to obtain antibacterial deodorant for use;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material obtained in the second step into a first feeding chamber, starting a first motor, driving a first motor shaft to rotate so as to drive a first stirring blade to stir the material, enabling the stirred material to enter a second feeding chamber, driving a first belt pulley to rotate by the rotation of the first motor shaft so as to drive a second belt pulley to rotate through a belt, driving a first rotating shaft to rotate by the second belt pulley so as to drive a spiral blade to stir the material, and finally enabling the material to enter a cooling chamber from a feeding channel;
after the material enters the cooling chamber, a second motor is started to drive a second motor shaft to rotate, so as to drive a second stirring blade to stir and cool the material, meanwhile, the second motor shaft drives a first bevel gear to rotate, the first bevel gear rotates to drive a third bevel gear meshed with the first bevel gear to rotate, the third bevel gear drives a second bevel gear meshed with the third bevel gear to rotate, so as to drive a second rotating shaft to rotate, the second rotating shaft drives a first connecting rod to rotate, so as to drive a scraper on the second connecting rod to rotate, through the arrangement of a telescopic rod and a first telescopic spring, the scraper can be well attached to the inner wall of the cooling chamber while rotating, so that the material attached to the inner wall of the cooling chamber is removed, the rotation of the second rotating shaft drives a first straight gear to rotate, so as to drive a second straight gear meshed with the second straight gear to rotate, and the second straight gear drives a fan, cooling, mixing and stirring, and discharging the materials when the temperature is reduced to 30 ℃ to obtain dry powder;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
The invention has the beneficial effects that:
according to the invention, the first motor is started to drive the first motor shaft to rotate, so that the first stirring blade is driven to stir materials, primary cooling is carried out, the stirred materials enter the second feeding chamber, the first motor shaft rotates to drive the first belt pulley to rotate, so that the second belt pulley is driven to rotate through the belt, the second belt pulley drives the first rotating shaft to rotate, so that the spiral blade is driven to stir the materials, the materials finally enter the cooling chamber from the feeding channel, and the materials can be uniformly fed into the cooling chamber and simultaneously subjected to primary cooling through the arrangement of the feeding channel and the spiral blade, so that the cooling effect is improved.
Through starting the second motor, it rotates to drive the second motor shaft, thereby it stirs the cooling once more to drive second stirring vane to the material, simultaneously the second motor shaft drives first bevel gear and rotates, first bevel gear rotates and drives the third bevel gear rotation of meshing with it, third bevel gear drives the second bevel gear rotation of meshing with it, thereby it rotates to drive the second axis of rotation, the second axis of rotation drives the head rod and rotates, thereby it rotates to drive the scraper blade on the second connecting rod, through the setting of telescopic link and first expanding spring, make the scraper blade can be fine when the pivoted hug closely the inner wall of cooling chamber, make the material attached to on the inner wall of cooling chamber clear away, also can guarantee the cleanness and the stability of device when avoiding the material extravagant.
The first straight gear is driven to rotate through the rotation of the second rotating shaft, so that the second straight gear meshed with the second rotating shaft is driven to rotate, the second straight gear drives the fan blades on the third rotating shaft to rotate, the air circulation inside the cooling chamber is increased, and the cooling efficiency is further improved.
The fan is used for radiating heat of the second motor, the material cooling efficiency is improved, the third handle is pulled to separate the second sliding rod from the second clamping groove, simultaneously, the second handle is pulled to enable the first sliding rod to be separated from the first clamping groove, the bottom end of the second sliding rod can slide in the bottom end of the sixth through hole while the first sliding rod is pulled until the bottom end reaches the upper part of the other second clamping groove, the second sliding rod is clamped in the second clamping groove through the matching of the sliding block and the second telescopic spring, at the moment, the fixation of the fan is released, after the fan is adjusted to a required angle by rotating the first handle, the third handle is pulled and the second handle is pushed to enter the other first clamping groove at the same time, then the second sliding rod is placed into the second clamping groove to be fixed, fix the fan to the completion is to the regulation of fan angle, realizes improving cooling efficiency to the diversified heat dissipation of second motor.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the feeding mechanism of the present invention.
Fig. 3 is a schematic structural view of the cooling mechanism of the present invention.
Fig. 4 is a side view of the heat radiating plate of the present invention.
Fig. 5 is an enlarged view of the invention at a in fig. 4.
Fig. 6 is a side view of a first card slot of the present invention.
In the figure, 1, a feeding mechanism; 101. a base; 102. a first inlet chamber; 103. supporting legs; 104. a first motor; 105. a first motor shaft; 106. a first stirring blade; 107. a second inlet chamber; 108. a feed channel; 109. a first pulley; 110. a second pulley; 111. a belt; 112. a first rotating shaft; 113. a helical blade; 2. a cooling mechanism; 201. a cooling chamber; 202. a second motor; 203. a second motor shaft; 204. a second stirring blade; 205. a second rotating shaft; 206. a first bevel gear; 207. a second bevel gear; 208. a vertical rod; 209. a horizontal bar; 210. a third bevel gear; 211. a first straight gear; 212. a second spur gear; 213. a third rotating shaft; 214. a fan blade; 215. a first connecting rod; 216. a second connecting rod; 217. a telescopic rod; 218. a squeegee; 219. a first extension spring; 3. a heat dissipation mechanism; 301. a heat dissipation chamber; 302. a heat dissipation plate; 303. a first through hole; 304. a second through hole; 305. a third through hole; 306. a fan; 307. a first rotating lever; 308. a second rotating lever; 309. a first handle; 310. a fourth via hole; 311. a fifth through hole; 312. a first slide bar; 313. a second handle; 314. a first card slot; 315. a sixth through hole; 316. a second card slot; 317. a second slide bar; 318. a third handle; 319. a slider; 320. a second extension spring.
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
An antibacterial and deodorant plastic composite particle comprises the following raw materials in parts by weight: 13 parts of high polymer plastic, 5 parts of filler, 15 parts of antibacterial deodorant, 2 parts of antioxidant and 2 parts of lubricant;
the antibacterial and deodorant plastic composite particle is prepared by the following steps: firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 5-6 to obtain antibacterial deodorant for use;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material in the second step into a cooling and mixing device for cooling, mixing and stirring, and discharging the material when the temperature is reduced to 30 ℃ to obtain dry powder;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
The fillers are wood powder, argil and montmorillonite, and the ratio of the fillers to the montmorillonite is 2: 1: 1 in a mass ratio of 1.
The antibacterial deodorant comprises the following raw materials in parts by weight:
5 parts of weak acid regulator, 15 parts of dipotassium hydrogen phosphate, 7 parts of solubilizer, 6 parts of metal chelating salt, 12 parts of cyclodextrin, 2 parts of active ingredient, 7 parts of essence and 20 parts of water;
the weak acid regulator comprises: one or more of carboxylic acid compounds, amino acid, inorganic acid and salts thereof are mixed in any proportion;
the active component is one or more of cryptolepine and neocryptolepine or derivatives thereof, and is mixed at any ratio;
the solubilizer is one or more of triethanolamine and trimethylol methylamine which are mixed in any proportion;
the metal chelating salt is ethylene diamine tetraacetic acid dipotassium.
Example 2
An antibacterial and deodorant plastic composite particle comprises the following raw materials in parts by weight: 15 parts of high polymer plastic, 7 parts of filler, 17 parts of antibacterial deodorant, 8 parts of antioxidant and 3 parts of lubricant;
the antibacterial and deodorant plastic composite particle is prepared by the following steps:
firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 5.5 to obtain antibacterial deodorant for use;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material in the second step into a cooling and mixing device for cooling, mixing and stirring, and discharging the material when the temperature is reduced to 30 ℃ to obtain dry powder;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
The fillers are wood powder, argil and montmorillonite, and the weight ratio of the fillers is 2.5: 1.5: 1 in a mass ratio of 1.
The antibacterial deodorant comprises the following raw materials in parts by weight:
7 parts of weak acid regulator, 20 parts of dipotassium hydrogen phosphate, 10 parts of solubilizer, 7 parts of metal chelating salt, 15 parts of cyclodextrin, 3 parts of active ingredient, 10 parts of essence and 25 parts of water;
the weak acid regulator comprises: one or more of carboxylic acid compounds, amino acid, inorganic acid and salts thereof are mixed in any proportion;
the active component is one or more of cryptolepine and neocryptolepine or derivatives thereof, and is mixed at any ratio;
the solubilizer is one or more of triethanolamine and trimethylol methylamine which are mixed in any proportion;
the metal chelating salt is ethylene diamine tetraacetic acid dipotassium.
Example 3
An antibacterial and deodorant plastic composite particle comprises the following raw materials in parts by weight: 18 parts of high polymer plastic, 10 parts of filler, 20 parts of antibacterial deodorant, 9 parts of antioxidant and 5 parts of lubricant;
the antibacterial and deodorant plastic composite particle is prepared by the following steps: firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 6 to obtain antibacterial deodorant;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material in the second step into a cooling and mixing device for cooling, mixing and stirring, and discharging the material when the temperature is reduced to 30 ℃ to obtain dry powder;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
The fillers are wood powder, argil and montmorillonite, and the ratio of the fillers to the montmorillonite is 3: 2: 1 in a mass ratio of 1.
The antibacterial deodorant comprises the following raw materials in parts by weight:
10 parts of weak acid regulator, 25 parts of dipotassium hydrogen phosphate, 12 parts of solubilizer, 8 parts of metal chelating salt, 17 parts of cyclodextrin, 5 parts of active ingredient, 13 parts of essence and 30 parts of water;
the weak acid regulator comprises: one or more of carboxylic acid compounds, amino acid, inorganic acid and salts thereof are mixed in any proportion;
the active component is one or more of cryptolepine and neocryptolepine or derivatives thereof, and is mixed at any ratio;
the solubilizer is one or more of triethanolamine and trimethylol methylamine which are mixed in any proportion;
the metal chelating salt is ethylene diamine tetraacetic acid dipotassium.
Referring to fig. 1-6, the cooling and mixing device according to the above embodiment includes a feeding mechanism 1, the feeding mechanism 1 includes a base 101, a first feeding chamber 102 is disposed above the base 101, a second feeding chamber 107 is fixed at a bottom end of an outer portion of the first feeding chamber 102, the first feeding chamber 102 is communicated with an inner portion of the second feeding chamber 107, a feeding channel 108 is fixed at a side of an outer portion of the second feeding chamber 107 close to the first motor 104, and the feeding channel 108 is communicated with an inner portion of the second feeding chamber 107;
the side of the feeding mechanism 1 close to the feeding channel 108 is provided with a cooling mechanism 2, the cooling mechanism 2 comprises a cooling chamber 201, the bottom end of the outside of the cooling chamber 201 is fixed with a second motor 202, the output end of the second motor 202 is fixed with a second motor shaft 203, the second motor shaft 203 sequentially passes through the lower side wall and the upper side wall of the cooling chamber 201, the second motor shaft 203 is rotatably connected with the cooling chamber 201, the second motor shaft 203 is fixed with a plurality of uniformly distributed second stirring blades 204, the second stirring blades 204 are positioned in the cooling chamber 201, the outer side of the second motor shaft 203 is sleeved with a second rotating shaft 205, the second rotating shaft 205 is movably connected with the second motor shaft 203, the top end of the second rotating shaft 205 passes through the upper side wall of the cooling chamber 201 and is rotatably connected with the upper side wall, the top end of the second motor shaft 203 is fixed with a first bevel gear 206, and the top end of the second rotating shaft, a vertical rod 208 is fixed at the top end of the outer portion of the cooling chamber 201, a horizontal rod 209 is arranged on one side, close to the second rotating shaft 205, of the vertical rod 208, the horizontal rod 209 is connected with the vertical rod 208 in a rotating mode, a third bevel gear 210 is fixed at one end, far away from the vertical rod 208, of the horizontal rod 209, and the third bevel gear 210 is meshed with the first bevel gear 206 and the second bevel gear 207 respectively.
A plurality of symmetrically distributed supporting legs 103 are arranged between the first feeding chamber 102 and the base 101, two ends of each supporting leg 103 are respectively fixed with the upper surface of the base 101 and the outer bottom end of the first feeding chamber 102, a first motor 104 is fixed on one side wall of the outer portion of the first feeding chamber 102, a first motor shaft 105 is fixed at the output end of the first motor 104, the first motor shaft 105 sequentially penetrates through the right side wall and the left side wall of the first feeding chamber 102 and is rotatably connected with the first feeding chamber 102, a plurality of uniformly distributed first stirring blades 106 are fixed on the outer side of the first motor shaft 105, the first stirring blades 106 are positioned inside the first feeding chamber 102, a first belt pulley 109 is fixed on the first motor shaft 105, the first belt pulley 109 is positioned outside the first feeding chamber 102, a second belt pulley 110 is arranged below the first belt pulley 109, and a belt 111 is arranged between the first belt pulley 109 and the second belt pulley 110, a first rotating shaft 112 is fixed at the center of the second pulley 110, the first rotating shaft 112 sequentially passes through the second feeding chamber 107 and the feeding channel 108, the first rotating shaft 112 is respectively connected with the second feeding chamber 107 and the feeding channel 108 in a rotating manner, a helical blade 113 is arranged on the first rotating shaft 112, and the helical blade 113 is positioned inside the second feeding chamber 107 and the feeding channel 108.
A first straight gear 211 is fixed on the outer side of the second rotating shaft 205, the first straight gear 211 is located outside the cooling chamber 201, two second straight gears 212 are symmetrically arranged on two sides of the first straight gear 211, the second straight gears 212 are meshed with the first straight gear 211, a third rotating shaft 213 is fixed at the center of the second straight gear 212, the bottom end of the third rotating shaft 213 penetrates through the upper side wall of the cooling chamber 201 and is rotatably connected with the cooling chamber 201, a fan blade 214 is fixed at the bottom end of the third rotating shaft 213, two first connecting rods 215 are symmetrically arranged on two sides of the bottom end of the second rotating shaft 205, a second connecting rod 216 is fixed at the bottom end of each first connecting rod 215, a plurality of telescopic rods 217 are fixed on one side of the second connecting rod 216 far away from the second motor shaft 203, a scraper 218 is fixed at one end of the telescopic rod 217 far away from the second connecting rod 216, a first telescopic spring 219 is sleeved on the outer side of the telescopic, both ends of the first extension spring 219 are fixed to the squeegee 218 and the second link 216, respectively.
A heat dissipation mechanism 3 is arranged below the cooling mechanism 2, the heat dissipation mechanism 3 comprises a heat dissipation chamber 301, the heat dissipation chamber 301 is fixed to the outer bottom end of the cooling chamber 201, the second motor 202 is located inside the heat dissipation chamber 301, a heat dissipation plate 302 is fixed to the inner bottom end of the heat dissipation chamber 301, a first through hole 303 is formed in the center of the heat dissipation plate 302, a second through hole 304 and a third through hole 305 are formed in two sides of the first through hole 303 respectively, the first through hole 303 is communicated with the interiors of the second through hole 304 and the third through hole 305, a fan 306 is arranged inside the first through hole 303, a first rotating rod 307 is fixed to one side of the fan 306, a second rotating rod 308 is fixed to the other side of the fan 306, one end of the first rotating rod 307, which is far away from the fan 306, is located inside the second through hole 304 and is rotatably connected with the second through hole 304 through a first bearing, one end of the second, the second rotating rod 308 is rotatably connected with the third through hole 305 and the heat dissipation plate 302 through a second bearing, a first handle 309 is fixed at one end of the second rotating rod 308 away from the fan 306, and the first handle 309 is located outside the heat dissipation plate 302;
the top end of the first handle 309 is provided with a fourth through hole 310 and a fifth through hole 311 which are vertically arranged, the fourth through hole 310 is arranged along the horizontal direction, the fifth through hole 311 is arranged along the vertical direction, the fourth through hole 310 is communicated with the inside of the fifth through hole 311, a first sliding rod 312 penetrates through the inside of the fourth through hole 310, the first sliding rod 312 is rotatably connected with the fourth through hole 310, one end of the first sliding rod 312, which is far away from the heat dissipation plate 302, is fixedly provided with a second handle 313, one side of the heat dissipation plate 302, which is close to the first handle 309, is provided with a plurality of first clamping grooves 314 which are uniformly distributed along the annular direction, one end of the first sliding rod 312, which is close to the heat dissipation plate 302, is positioned inside the first clamping grooves 314, the first sliding rod 312 is movably connected with the first clamping grooves 314, the top end of the first sliding rod 312 is provided with a sixth through hole 315, the bottom ends of two sides inside of the sixth through hole 315 are provided with two second clamping grooves 316 which are, the second sliding rod 317 is connected with the fifth through hole 311 in a sliding manner, the top end of the second sliding rod 317 is fixed with a third handle 318, the bottom end of the second sliding rod 317 is located inside the second clamping groove 316, the second sliding rod 317 is connected with the second clamping groove 316 in a sliding manner, a sliding block 319 is fixed on the second sliding rod 317, a sliding groove is formed in the inner side wall of the fifth through hole 311, the sliding block 319 is connected with the sliding groove in a sliding manner, a second telescopic spring 320 is sleeved on the outer side of the second sliding rod 317, and two ends of the second telescopic spring 320 are fixed with the inner top end of the fifth through hole 311 and the upper surface of the sliding block 319 respectively.
The working process and the principle of the cooling and mixing device are as follows:
when the modified material cooling device is used, modified materials are firstly placed into the first feeding chamber 102, the first motor 104 is started, the first motor shaft 105 is driven to rotate, so that the first stirring blade 106 is driven to stir the materials, the materials are subjected to primary cooling, the stirred materials enter the second feeding chamber 107, the first motor shaft 105 rotates to drive the first belt pulley 109 to rotate, so that the second belt pulley 110 is driven to rotate through the belt 111, the second belt pulley 110 drives the first rotating shaft 112 to rotate, so that the spiral blades 113 are driven to stir the materials, the materials finally enter the cooling chamber 201 from the feeding channel 108, and the materials can be uniformly fed into the cooling chamber 201 and simultaneously subjected to primary cooling through the arrangement of the feeding channel 108 and the spiral blades 113, so that the cooling effect is improved.
After the material enters the cooling chamber 201, the second motor 202 is started to drive the second motor shaft 203 to rotate, so as to drive the second stirring blade 204 to stir and cool the material again, meanwhile, the second motor shaft 203 drives the first bevel gear 206 to rotate, the first bevel gear 206 rotates to drive the third bevel gear 210 engaged therewith to rotate, the third bevel gear 210 drives the second bevel gear 207 engaged therewith to rotate, so as to drive the second rotating shaft 205 to rotate, the second rotating shaft 205 drives the first connecting rod 215 to rotate, so as to drive the scraper 218 on the second connecting rod 216 to rotate, through the arrangement of the telescopic rod 217 and the first telescopic spring 219, the scraper 218 can be well attached to the inner wall of the cooling chamber 201 while rotating, so that the material attached to the inner wall of the cooling chamber 201 is removed, the cleanness and the stability of the device can be ensured while the material is wasted, the rotation of the second rotating shaft 205 drives the first straight gear 211 to rotate, thereby driving the second spur gear 212 engaged therewith to rotate, and the second spur gear 212 driving the fan blades 214 on the third rotating shaft 213 to rotate, increasing the air circulation inside the cooling chamber 201, and further improving the cooling efficiency.
When the cooling device works, the second motor 202 generates a large amount of heat, the cooling efficiency is reduced, the fan 306 is turned on to dissipate heat of the second motor 202, the material cooling efficiency is improved, the second sliding rod 317 is separated from the second card slot 316 by pulling the third handle 318, the first sliding rod 312 is separated from the first card slot 314 by pulling the second handle 313, the bottom end of the second sliding rod 317 slides at the bottom end inside the sixth through hole 315 while pulling the first sliding rod 312 until reaching the upper part of the other second card slot 316, the second sliding rod is clamped in the second card slot 316 by matching the sliding block 319 and the second expansion spring 320, the fixing of the fan 306 is released, the third handle 318 is pulled while pushing the second handle 313 to enter the other first card slot 314 by rotating the first handle 309 after the fan 306 is adjusted to a required angle, and then the second sliding rod 317 is placed in the second card slot 316 to be fixed, fix fan 306 to the completion is to the regulation of fan 306 angle, realizes the diversified heat dissipation of second motor 202, improves cooling efficiency.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The antibacterial and deodorant plastic composite particle is characterized by comprising the following raw materials in parts by weight: 13-18 parts of high polymer plastic, 5-10 parts of filler, 15-20 parts of antibacterial deodorant, 7-9 parts of antioxidant and 2-5 parts of lubricant;
the antibacterial and deodorant plastic composite particle is prepared by the following steps:
firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 5-6 to obtain antibacterial deodorant for use;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material in the second step into a cooling and mixing device for cooling, mixing and stirring, and discharging the material when the temperature is reduced to 30 ℃ to obtain dry powder;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
2. The antibacterial and deodorant plastic composite particle as claimed in claim 1, wherein the filler is wood flour, kaolin and montmorillonite in a ratio of 2-3: 1-2: 1 in a mass ratio of 1.
3. The antibacterial and deodorant plastic composite particle as claimed in claim 1, wherein the antibacterial and deodorant agent comprises the following raw materials in parts by weight:
5-10 parts of weak acid regulator, 15-25 parts of dipotassium hydrogen phosphate, 7-12 parts of solubilizer, 6-8 parts of metal chelating salt, 12-17 parts of cyclodextrin, 2-5 parts of active ingredient, 7-13 parts of essence and 20-30 parts of water; the weak acid regulator comprises: one or more of carboxylic acid compounds, amino acid, inorganic acid and salts thereof are mixed in any proportion;
the active component is one or more of cryptolepine and neocryptolepine or derivatives thereof, and is mixed at any ratio;
the solubilizer is one or more of triethanolamine and trimethylol methylamine which are mixed in any proportion;
the metal chelating salt is ethylene diamine tetraacetic acid dipotassium.
4. The antibacterial and deodorant plastic composite particle as claimed in claim 1, wherein the cooling and mixing device in the third step comprises a feeding mechanism (1), the feeding mechanism (1) comprises a base (101), a first feeding chamber (102) is arranged above the base (101), a second feeding chamber (107) is fixed at the outer bottom end of the first feeding chamber (102), the first feeding chamber (102) is communicated with the inside of the second feeding chamber (107), a feeding channel (108) is fixed at the side of the outside of the second feeding chamber (107) close to the first motor (104), and the feeding channel (108) is communicated with the inside of the second feeding chamber (107);
one side of the feeding mechanism (1) close to the feeding channel (108) is provided with a cooling mechanism (2), the cooling mechanism (2) comprises a cooling chamber (201), the bottom end of the outer portion of the cooling chamber (201) is fixedly provided with a second motor (202), the output end of the second motor (202) is fixedly provided with a second motor shaft (203), the second motor shaft (203) sequentially penetrates through the lower side wall and the upper side wall of the cooling chamber (201), the second motor shaft (203) is rotatably connected with the cooling chamber (201), the second motor shaft (203) is fixedly provided with a plurality of uniformly distributed second stirring blades (204), the second stirring blades (204) are positioned in the cooling chamber (201), the outer side of the second motor shaft (203) is sleeved with a second rotating shaft (205), the second rotating shaft (205) is movably connected with the second motor shaft (203), the top end of the second rotating shaft (205) penetrates through the upper side wall of the cooling chamber (201) and is rotatably connected with the cooling chamber, the top of second motor axle (203) is fixed with first bevel gear (206), the top of second axis of rotation (205) is fixed with second bevel gear (207), the outside top of cooling chamber (201) is fixed with vertical pole (208), one side that vertical pole (208) are close to second axis of rotation (205) is equipped with horizon bar (209), horizon bar (209) are connected with vertical pole (208) rotation, the one end that vertical pole (208) were kept away from in horizon bar (209) is fixed with third bevel gear (210), third bevel gear (210) respectively with first bevel gear (206) and second bevel gear (207) intermeshing.
5. The antibacterial and deodorant plastic composite particle as claimed in claim 4, wherein a plurality of symmetrically distributed support legs (103) are provided between the first feeding chamber (102) and the base (101), two ends of the support legs (103) are respectively fixed with the upper surface of the base (101) and the outer bottom end of the first feeding chamber (102), a first motor (104) is fixed on one side wall of the outer portion of the first feeding chamber (102), a first motor shaft (105) is fixed at the output end of the first motor (104), the first motor shaft (105) sequentially passes through the right side wall and the left side wall of the first feeding chamber (102) and is rotatably connected with the first feeding chamber (102), a plurality of uniformly distributed first stirring blades (106) are fixed on the outer side of the first motor shaft (105), the first stirring blades (106) are located inside the first feeding chamber (102), a first belt pulley (109) is fixed on the first motor shaft (105), first belt pulley (109) are located the outside of first feed chamber (102), the below of first belt pulley (109) is equipped with second belt pulley (110), install belt (111) between first belt pulley (109) and second belt pulley (110), the center department of second belt pulley (110) is fixed with first axis of rotation (112), second feed chamber (107) and feedstock channel (108) are passed in proper order in first axis of rotation (112), first axis of rotation (112) rotate with second feed chamber (107) and feedstock channel (108) respectively and are connected, be equipped with helical blade (113) on first axis of rotation (112), helical blade (113) are located the inside of second feed chamber (107) and feedstock channel (108).
6. The antibacterial and deodorant plastic composite particle as claimed in claim 4, wherein a first spur gear (211) is fixed to an outer side of the second rotating shaft (205), the first spur gear (211) is located outside the cooling chamber (201), two second spur gears (212) are symmetrically arranged on both sides of the first spur gear (211), the second spur gears (212) are engaged with the first spur gear (211), a third rotating shaft (213) is fixed to a center of the second spur gear (212), a bottom end of the third rotating shaft (213) penetrates through an upper side wall of the cooling chamber (201) and is rotatably connected to the cooling chamber (201), a fan blade (214) is fixed to a bottom end of the third rotating shaft (213), two first connecting rods (215) are symmetrically arranged on bottom ends of both sides of the second rotating shaft (205), a second connecting rod (216) is fixed to a bottom end of the first connecting rod (215), one side that second motor shaft (203) was kept away from in second connecting rod (216) is fixed with a plurality of telescopic link (217), and the one end that second connecting rod (216) were kept away from in telescopic link (217) is fixed with scraper blade (218), and first expanding spring (219) have been cup jointed in the outside of telescopic link (217), and the both ends of first expanding spring (219) are fixed mutually with scraper blade (218) and second connecting rod (216) respectively.
7. The antibacterial and deodorant plastic composite particle according to claim 4, wherein a heat dissipation mechanism (3) is arranged below the cooling mechanism (2), the heat dissipation mechanism (3) comprises a heat dissipation chamber (301), the heat dissipation chamber (301) is fixed to the outer bottom end of the cooling chamber (201), the second motor (202) is located inside the heat dissipation chamber (301), the heat dissipation plate (302) is fixed to the inner bottom end of the heat dissipation chamber (301), a first through hole (303) is formed in the center of the heat dissipation plate (302), a second through hole (304) and a third through hole (305) are formed in each of two sides of the first through hole (303), the first through hole (303) is communicated with the second through hole (304) and the third through hole (305), a fan (306) is arranged inside the first through hole (303), a first rotating rod (307) is fixed to one side of the fan (306), a second rod (308) is fixed to the other side of the fan (306), one end, far away from the fan (306), of the first rotating rod (307) is located inside the second through hole (304) and is rotatably connected with the second through hole (304) through a first bearing, one end, far away from the fan (306), of the second rotating rod (308) sequentially penetrates through the third through hole (305) and the heat dissipation plate (302), the second rotating rod (308) is rotatably connected with the third through hole (305) and the heat dissipation plate (302) through a second bearing, a first handle (309) is fixed to one end, far away from the fan (306), of the second rotating rod (308), and the first handle (309) is located outside the heat dissipation plate (302);
the top end of the first handle (309) is provided with a fourth through hole (310) and a fifth through hole (311), the fourth through hole (310) is arranged along the horizontal direction, the fifth through hole (311) is arranged along the vertical direction, the fourth through hole (310) is positioned below the fifth through hole (311), the fourth through hole (310) is communicated with the inside of the fifth through hole (311), a first sliding rod (312) penetrates through the inside of the fourth through hole (310), the first sliding rod (312) is rotatably connected with the fourth through hole (310), one end of the first sliding rod (312) far away from the heat dissipation plate (302) is fixedly provided with a second handle (313), one side of the heat dissipation plate (302) close to the first handle (309) is provided with a plurality of first clamping grooves (314) which are uniformly distributed along the annular direction, one end of the first sliding rod (312) close to the heat dissipation plate (302) is positioned inside the first clamping groove (314), and the first sliding rod (312) is movably connected with the first clamping groove (314), the top end of the first sliding rod (312) is provided with a sixth through hole (315), the bottom ends of two sides of the inside of the sixth through hole (315) are provided with two symmetrically distributed second clamping grooves (316), a second sliding rod (317) penetrates through the inside of the fifth through hole (311), the second sliding rod (317) is in sliding connection with the fifth through hole (311), the top end of the second sliding rod (317) is fixed with a third handle (318), the bottom end of the second sliding rod (317) is located inside the second clamping groove (316), the second sliding rod (317) is in sliding connection with the second clamping groove (316), a sliding block (319) is fixed on the second sliding rod (317), a sliding groove is formed in the inner side wall of the fifth through hole (311), the sliding block (319) is in sliding connection with the sliding groove, a second telescopic spring (320) is sleeved on the outer side of the second sliding rod (317), and two ends of the second telescopic spring (320) are fixed with the top end of the inside of the fifth through hole (311) and the upper surface of the sliding block (319) respectively.
8. The preparation method of the antibacterial and deodorant plastic composite particles is characterized by comprising the following steps:
firstly, preparing an antibacterial deodorant: mixing weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelating salt, cyclodextrin, active ingredient and essence with water, and adjusting pH to 5-6 to obtain antibacterial deodorant for use;
step two, mixing and modifying raw materials: soaking an antibacterial deodorant in a 20% NaOH aqueous solution by mass fraction, washing to be neutral, drying under a vacuum condition, mixing the dried antibacterial deodorant with high-molecular plastic, a filler, an antioxidant and a lubricant in a vacuum high-speed stirring device, and then stirring and jetting an ethanol solution containing an antibacterial agent and a modifier to the surface of a mixed material under high pressure at the vacuum temperature of 125 ℃ for 10 hours;
thirdly, cooling to obtain dry powder: putting the modified material obtained in the second step into a first feeding chamber (102), starting a first motor (104), driving a first motor shaft (105) to rotate, so as to drive a first stirring blade (106) to stir the material, enabling the stirred material to enter a second feeding chamber (107), driving a first belt pulley (109) to rotate by rotating the first motor shaft (105), driving a second belt pulley (110) to rotate through a belt (111), driving a first rotating shaft (112) to rotate through the second belt pulley (110), driving a spiral blade (113) to stir the material, and finally enabling the material to enter a cooling chamber (201) from a feeding channel (108);
after the material enters the cooling chamber (201), the second motor (202) is started to drive the second motor shaft (203) to rotate, so as to drive the second stirring blade (204) to stir and cool the material, meanwhile, the second motor shaft (203) drives the first bevel gear (206) to rotate, the first bevel gear (206) rotates to drive the third bevel gear (210) meshed with the first bevel gear to rotate, the third bevel gear (210) drives the second bevel gear (207) meshed with the third bevel gear to rotate, so as to drive the second rotating shaft (205) to rotate, the second rotating shaft (205) drives the first connecting rod (215) to rotate, so as to drive the scraper (218) on the second connecting rod (216) to rotate, through the arrangement of the telescopic rod (217) and the first telescopic spring (219), the scraper (218) can well cling to the inner wall of the cooling chamber (201) while rotating, so that the material attached to the inner wall of the cooling chamber (201) is removed, the rotation of the second rotating shaft (205) drives the first straight gear (211) to rotate, so as to drive the second straight gear (212) meshed with the first straight gear to rotate, the second straight gear (212) drives the fan blades (214) on the third rotating shaft (213) to rotate, the cooling, mixing and stirring processes are completed, and when the temperature is reduced to 30 ℃, the materials are discharged, so that dry powder is obtained;
step four, granulation: and (4) feeding the dry powder obtained in the third step into a double-screw granulator, and extruding and granulating to obtain the antibacterial and deodorant plastic composite particles.
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| CN202010807159.XA CN111875976A (en) | 2020-08-12 | 2020-08-12 | Antibacterial and deodorant plastic composite particle and preparation method thereof |
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