CN111791518B - PVC composite material production line for high-heat-resistance outdoor tent and production process thereof - Google Patents
PVC composite material production line for high-heat-resistance outdoor tent and production process thereof Download PDFInfo
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- CN111791518B CN111791518B CN202010639759.XA CN202010639759A CN111791518B CN 111791518 B CN111791518 B CN 111791518B CN 202010639759 A CN202010639759 A CN 202010639759A CN 111791518 B CN111791518 B CN 111791518B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/02—Dextran; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
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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
- C08K5/00—Use of organic ingredients
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin compounds
Abstract
The invention belongs to the technical field of composite materials, and particularly relates to a PVC composite material production line for a high-heat-resistance outdoor tent and a production process thereof, which comprises a reactor, an extruder, a calender and a winding machine, wherein the winding machine comprises a bottom plate and a power box fixed on the top surface of the bottom plate, the output end of the power box is fixedly connected with a winding roller, the top surface of the bottom plate is also fixedly connected with an installation plate, and the installation plate is positioned on one side of the power box; when the outer wall of sheet process cooling tube, the cooling tube cools off the two sides of sheet, make sheet rapid cooling, then the sheet enters into inside the water tank, and turn to the derivation through first steering roll, the ultrasonic vibration board uses clean water as the medium, carry out ultrasonic cleaning to the sheet via water tank inside, get rid of the impurity dust that adheres on the sheet, guarantee the clean degree on sheet surface, the both sides of sheet all are scribbled with special fluorine dragon heat-resistant layer, can further improve the heat-resisting effect of sheet, its wearability is better simultaneously.
Description
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a production line of a PVC composite material for a high-heat-resistance outdoor tent and a production process thereof.
Background
Polyvinyl chloride is a polymer polymerized by vinyl chloride monomers under the action of initiators such as peroxides and azo compounds or under the action of light and heat according to a free radical polymerization reaction mechanism, vinyl chloride homopolymers and vinyl chloride copolymers are generally called vinyl chloride resin, PVC is white powder with an amorphous structure, has small branching degree and relative density of about 1.4, and PVC composite materials with different characteristics are more and more along with the development of technology and the market demand.
When the existing heat-resistant PVC composite material is produced, the material rolled by a calender is cooled, then the cooled sheet is directly wound on a winding roller, the surface of the sheet can adsorb the residues of dust impurities and raw materials in the conduction process, and the sheet is directly wound, so that the production and processing of the next process are not facilitated.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a production line of a PVC composite material for an outdoor tent with high heat resistance and a production process thereof, and the production line has the characteristic of high heat resistance.
In order to achieve the purpose, the invention provides the following technical scheme: the PVC composite material production line for the high heat-resistant outdoor tent comprises a reactor, an extruder, a calender and a winding machine, wherein the winding machine comprises a bottom plate and a power box fixed on the top surface of the bottom plate, the output end of the power box is fixedly connected with a winding roller, the top surface of the bottom plate is also fixedly connected with a mounting plate, the mounting plate is positioned on one side of the power box, one side of the mounting plate, far away from the power box, is fixedly connected with two cooling pipes which are symmetrically arranged up and down, the inner walls of the two cooling pipes are fixedly connected with serpentine cooling pipes corresponding to products, the serpentine cooling pipes are hermetically connected with an external cooling water source, the top surface of the bottom plate is fixedly connected with a water tank, the bottom end of the inner wall of the water tank is rotatably connected with a first steering roller, the inner side wall of the water tank is fixedly connected with an ultrasonic vibration plate, and the ultrasonic vibration plate is electrically connected with an external power supply, two symmetrical arrangement's of fixedly connected with bellows on the mounting panel, bellows correspond with the product, the lateral wall through connection of bellows has a plurality of connecting pipe, the connecting pipe passes through hose and outside high pressurized air source sealing connection, it is connected with the second to turn to the roller to rotate on the mounting panel, the second turn to the roller with bellows correspond.
The production process of the PVC composite material for the high-heat-resistance outdoor tent is characterized by comprising the following steps of: the method comprises the following steps:
s1: putting 50-80 parts by weight of polyvinyl chloride, 1.2-1.5 parts by weight of stabilizer and 2.2-2.6 parts by weight of lubricant into a reactor, heating to 85 ℃, then adding 1.3-1.8 parts by weight of antioxidant, 3-4 parts by weight of hydrolysis resistance agent and xanthan gum, and stirring for 30-50min to obtain a mixed solution;
s2: adding 2-5 parts by weight of wasabi essence, 2.5-3.5 parts by weight of tetramethylolglycoluril and 1.5-2.5 parts by weight of zinc enoate into the mixed solution in S1, heating to the temperature of 120-145 ℃, adding 2-6 parts by weight of zinc undecylenate into the mixed solution, and stirring for 20-35min to obtain a mixed solution;
s3: adding 9-14 parts by weight of diisodecyl phthalate, 3-5 parts by weight of dibutyltin maleate and 2-5 parts by weight of diphenyl phosphate into the mixed solution in the S2, heating to 165-175 ℃, and stirring for 10-25min under the pressure of 6-9MPa to obtain a mixed solution;
s4: adding 3-6 parts by weight of coupling agent into the mixed solution in S3, heating to 215-255 ℃, stirring for 8-10min, and then performing dehydration, drying and curing to obtain a PVC composite raw material;
s5: adding the PVC composite raw material in the S4 into the extruder for heating extrusion, wherein the heating temperature is 125-145 ℃, and the material plasticizing temperature is 155-175 ℃;
s6: after the PVC composite raw material is extruded by the extruder, the PVC composite raw material is calendered by the calender, wherein the calendering temperature is 165-185 ℃;
s7: spraying Teflon heat-resistant layers on two surfaces of the sheet rolled by the rolling machine;
s8: and the winding machine cools and winds the sprayed sheet.
Preferably, the outer wall of the cooling pipe is coated with a contact layer, and the contact layer is made of Teflon.
Preferably, the cooling pipe and the serpentine cooling pipe are both made of copper, and the wall thickness of the cooling pipe is 2 millimeters.
Preferably, the thickness of the contact layer is 0.5 mm.
Preferably, the stabilizer in S1 is one of dibutyltin dilaurate, di-n-octyltin dilaurate and dibutyltin maleate.
Preferably, the lubricant in S1 is one of butyl stearate, glycerol monooleate, glycerol monostearate, hydroxystearic acid, oleamide and calcium stearate.
Preferably, the antioxidant in S1 is one of trioctyl ester, tridecyl ester, tridodecyl ester and trihexadecyl ester.
Preferably, the hydrolysis-resistant agent in S1 is N, N' -bis (2, 6-diisopropylphenyl) carbodiimide.
Preferably, the spraying thickness of the teflon heat-resistant layer in S7 is 0.1 mm.
Compared with the prior art, the invention has the beneficial effects that:
when the outer wall of sheet process cooling tube, the cooling tube cools off the two sides of sheet, make sheet rapid cooling, then the sheet enters into inside the water tank, and turn to the derivation through first steering roll, the ultrasonic vibration board uses clean water as the medium, carry out ultrasonic cleaning to the sheet via water tank inside, get rid of the impurity dust that adheres on the sheet, guarantee the clean degree on sheet surface, simultaneously, the both sides of sheet all are scribbled with special fluorine dragon heat-resistant layer, can further improve the heat-resisting effect of sheet, its wearability is better simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic production flow of the present invention;
FIG. 2 is a schematic structural view of a winder in the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is a schematic diagram showing the distribution of the positions of the connecting pipes in the present invention.
In the figure: 1. a reactor; 2. an extruder; 3. a calender; 4. a winding machine; 41. a base plate; 42. a power box; 421. a wind-up roll; 422. a second turning roll; 43. mounting a plate; 44. a cooling tube; 441. a serpentine cooling tube; 442. a contact layer; 45. a water tank; 451. an ultrasonic vibration plate; 452. a first steering roller; 46. an air box; 461. and (4) connecting the pipes.
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.
Referring to fig. 1-4, the present invention provides the following technical solutions: a PVC composite material production line for a high heat-resistant outdoor tent comprises a reactor 1, an extruder 2, a calender 3 and a winding machine 4, wherein the winding machine 4 comprises a bottom plate 41 and a power box 42 fixed on the top surface of the bottom plate, the output end of the power box 42 is fixedly connected with a winding roller 421, the top surface of the bottom plate 41 is also fixedly connected with a mounting plate 43, the mounting plate 43 is positioned on one side of the power box 42, one side of the mounting plate 43 away from the power box 42 is fixedly connected with two cooling pipes 44 which are symmetrically arranged up and down, the inner walls of the two cooling pipes 44 are fixedly connected with serpentine cooling pipes 441 corresponding to products, the serpentine cooling pipes 441 are hermetically connected with an external cooling water source, the top surface of the bottom plate 41 is fixedly connected with a water tank 45, the bottom end of the inner wall of the water tank 45 is rotatably connected with a first steering roller 452, the inner side wall of the water tank 45 is fixedly connected with an ultrasonic vibration plate 451, and the ultrasonic vibration plate 451 is electrically connected with an external power supply, two symmetrically arranged air boxes 46 are fixedly connected to the mounting plate 43, the air boxes 46 correspond to products, a plurality of connecting pipes 461 are connected to the side wall of each air box 46 in a penetrating mode, the connecting pipes 461 are connected with an external high-pressure air source in a sealing mode through hoses, a second steering roller 422 is connected to the mounting plate 43 in a rotating mode, and the second steering roller 422 corresponds to the air boxes 46.
In this embodiment: clean water is added into a water tank 45, the sprayed sheet is wound to the outer walls of two cooling pipes 44 in a crossed manner and corresponds to a serpentine cooling pipe 441, a cooling water source on the outer wall flows in the serpentine cooling pipe 441 in a circulating manner to cool the cooling pipes 44, when the sheet passes through the outer wall of the cooling pipe 44, the cooling pipes 44 cool two surfaces of the sheet to enable the sheet to be rapidly cooled, then the sheet enters the water tank 45 and is guided out in a turning manner by a first turning roller 452, an ultrasonic vibration plate 451 uses the clean water as a medium to perform ultrasonic cleaning on the sheet passing through the water tank 45 to remove impurity and dust adhered to the sheet, the cleanness degree of the surface of the sheet is ensured, then the sheet passes through two air boxes 46 and is turned by a second turning roller 422, an outer wall air source enters the air boxes 46 through a connecting pipe 461 and is blown to the surface of the sheet by the air boxes 46, the two surfaces of the sheet are dried, finally the power box 42 drives the winding roller 421 to rotate to wind the sheet, and meanwhile, Teflon heat-resistant layers are coated on the two sides of the sheet, so that the heat-resistant effect of the sheet can be further improved, and meanwhile, the sheet is good in wear resistance.
The production process of the PVC composite material for the high heat resistance outdoor tent comprises the following steps:
s1: putting 50-80 parts by weight of polyvinyl chloride, 1.2-1.5 parts by weight of stabilizer and 2.2-2.6 parts by weight of lubricant into a reactor, heating to 85 ℃, then adding 1.3-1.8 parts by weight of antioxidant, 3-4 parts by weight of hydrolysis resistance agent and xanthan gum, and stirring for 30-50min to obtain a mixed solution;
s2: adding 2-5 parts by weight of tribehenazine, 2.5-3.5 parts by weight of tetramethylolglycoluril and 1.5-2.5 parts by weight of zinc enoate into the mixed solution in S1, heating to the temperature of 120-145 ℃, adding 2-6 parts by weight of zinc undecylenate into the mixed solution, and stirring for 20-35min to obtain a mixed solution;
s3: adding 9-14 parts by weight of diisodecyl phthalate, 3-5 parts by weight of dibutyltin maleate and 2-5 parts by weight of diphenyl phosphate into the mixed solution in S2, heating to 165-175 ℃, and stirring for 10-25min under the pressure of 6-9MPa to obtain a mixed solution;
s4: adding 3-6 parts by weight of coupling agent into the mixed solution in S3, heating to 215-255 ℃, stirring for 8-10min, and then performing dehydration, drying and curing to obtain a PVC composite raw material;
s5: adding the PVC composite raw material in the S4 into an extruder 2 for heating and extruding, wherein the heating temperature is 125-145 ℃, and the material plasticizing temperature is 155-175 ℃;
s6: after the PVC composite raw material is extruded by an extruder 2, calendering the PVC composite raw material by a calender 3 at the calendering temperature of 165-185 ℃;
s7: spraying Teflon heat-resistant layers on two surfaces of the sheet rolled by the rolling mill 3;
s8: and the winding machine 4 cools and winds the sprayed sheet.
Specifically, the outer wall of the cooling tube 44 is coated with a contact layer 442, and the contact layer 442 is made of teflon; the teflon contact layer 442 has a very low coefficient of friction, and the sheet does not scratch when it is in contact with the contact layer 442.
Specifically, the cooling pipe 44 and the serpentine cooling pipe 441 are both made of copper, the copper cooling pipe 44 and the serpentine cooling pipe 441 have good heat conduction performance, faster heat conduction and good cooling efficiency, and the wall thickness of the cooling pipe 44 is 2 mm; the supporting strength is ensured, and meanwhile, the heat transfer path is reduced.
Specifically, the thickness of the contact layer 442 is 0.5 mm; ensuring effective wear thickness.
Specifically, the stabilizer in S1 is one of dibutyltin dilaurate, di-n-octyltin dilaurate, and dibutyltin maleate; the stabilizing effect is better, and the cost is lower.
Specifically, the lubricant in S1 is one of butyl stearate, glyceryl monooleate, glyceryl monostearate, hydroxystearic acid, oleamide, and calcium stearate.
Specifically, the antioxidant in S1 is one of trioctyl ester, tridecyl ester, tridodecyl ester, and trihexadecyl ester.
Specifically, the hydrolysis resistant agent in S1 is N, N' -bis (2, 6-diisopropylphenyl) carbodiimide.
Specifically, the spraying thickness of the Teflon heat-resistant layer in S7 is 0.1 mm, so that the Teflon heat-resistant layer has heat resistance, a certain abrasion loss is ensured, and the service life is long.
The working principle and the using process of the invention are as follows: clean water is added into a water tank 45, the sprayed sheet is wound to the outer walls of two cooling pipes 44 in a crossed manner and corresponds to a serpentine cooling pipe 441, a cooling water source on the outer wall flows in the serpentine cooling pipe 441 in a circulating manner to cool the cooling pipes 44, when the sheet passes through the outer wall of the cooling pipe 44, the cooling pipes 44 cool two surfaces of the sheet to enable the sheet to be rapidly cooled, then the sheet enters the water tank 45 and is guided out in a turning manner by a first turning roller 452, an ultrasonic vibration plate 451 uses the clean water as a medium to perform ultrasonic cleaning on the sheet passing through the water tank 45 to remove impurity and dust adhered to the sheet, the cleanness degree of the surface of the sheet is ensured, then the sheet passes through two air boxes 46 and is turned by a second turning roller 422, an outer wall air source enters the air boxes 46 through a connecting pipe 461 and is blown to the surface of the sheet by the air boxes 46, the two surfaces of the sheet are dried, finally the power box 42 drives the winding roller 421 to rotate to wind the sheet, and meanwhile, Teflon heat-resistant layers are coated on the two sides of the sheet, so that the heat-resistant effect of the sheet can be further improved, and meanwhile, the sheet is good in wear resistance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (1)
1. The production process of the PVC composite material for the high heat resistance outdoor tent comprises the following steps:
s1: putting 50-80 parts by weight of polyvinyl chloride, 1.2-1.5 parts by weight of stabilizer and 2.2-2.6 parts by weight of lubricant into a reactor, heating to 85 ℃, then adding 1.3-1.8 parts by weight of antioxidant, 3-4 parts by weight of hydrolysis resistance agent and xanthan gum, and stirring for 30-50min to obtain a mixed solution;
the stabilizer is one of dibutyltin dilaurate, di-n-octyltin dilaurate and dibutyltin maleate;
the lubricant is one of butyl stearate, glyceryl monooleate, stearic acid monoglyceride, hydroxystearic acid, oleamide and calcium stearate;
the antioxidant is one of trioctyl ester, tridecyl ester, tridodecyl alcohol ester and trihexadecyl alcohol ester;
the hydrolysis-resistant agent is N, N' -bis (2, 6-diisopropylphenyl) carbodiimide;
s2: adding 2-5 parts by weight of wasabi essence, 2.5-3.5 parts by weight of tetramethylolglycoluril and 1.5-2.5 parts by weight of zinc enoate into the mixed solution in S1, heating to the temperature of 120-145 ℃, adding 2-6 parts by weight of zinc undecylenate into the mixed solution, and stirring for 20-35min to obtain a mixed solution;
s3: adding 9-14 parts by weight of diisodecyl phthalate, 3-5 parts by weight of dibutyltin maleate and 2-5 parts by weight of diphenyl phosphate into the mixed solution in the S2, heating to 165-175 ℃, and stirring for 10-25min under the pressure of 6-9MPa to obtain a mixed solution;
s4: adding 3-6 parts by weight of coupling agent into the mixed solution in S3, heating to 215-255 ℃, stirring for 8-10min, and then performing dehydration, drying and curing to obtain a PVC composite raw material;
s5: adding the PVC composite raw material in the S4 into an extruder (2) for heating extrusion, wherein the heating temperature is 125-145 ℃, and the material plasticizing temperature is 155-175 ℃;
s6: after the PVC composite raw material is extruded by the extruder (2), the PVC composite raw material is calendered by a calender (3), wherein the calendering temperature is 165-185 ℃;
s7: spraying Teflon heat-resistant layers on two surfaces of the sheet rolled by the rolling mill (3); the spraying thickness of the Teflon heat-resistant layer is 0.1 mm;
s8: the winding machine (4) cools and winds the sprayed sheet;
the winding machine (4) comprises a bottom plate (41) and a power box (42) fixed on the top surface of the bottom plate, an output end of the power box (42) is fixedly connected with a winding roller (421), the top surface of the bottom plate (41) is also fixedly connected with a mounting plate (43), the mounting plate (43) is located on one side of the power box (42), the mounting plate (43) is far away from one side of the power box (42) and is fixedly connected with two cooling pipes (44) which are symmetrically arranged up and down, the inner walls of the cooling pipes (44) are fixedly connected with a serpentine cooling pipe (441) corresponding to a product, the serpentine cooling pipe (441) is connected with an external cooling water source in a sealing manner, the top surface of the bottom plate (41) is fixedly connected with a water tank (45), the bottom end of the inner wall of the water tank (45) is rotatably connected with a first steering roller (452), and the inner side wall of the water tank (45) is fixedly connected with an ultrasonic vibration plate (451), the ultrasonic vibration plate (451) is electrically connected with an external power supply, two symmetrically arranged air boxes (46) are fixedly connected to the mounting plate (43), the air boxes (46) correspond to products, a plurality of connecting pipes (461) are connected to the side wall of each air box (46) in a penetrating manner, the connecting pipes (461) are hermetically connected with an external high-pressure air source through hoses, a second steering roller (422) is rotatably connected to the mounting plate (43), and the second steering roller (422) corresponds to the air boxes (46);
a contact layer (442) is coated on the outer wall of the cooling pipe (44), and the contact layer (442) is made of Teflon;
the cooling pipe (44) and the serpentine cooling pipe (441) are both made of copper, and the wall thickness of the cooling pipe (44) is 2 mm;
the thickness of the contact layer (442) is 0.5 mm;
clean water is added into a water tank (45), the sprayed sheet is wound to the outer walls of two cooling pipes (44) in a crossed mode and corresponds to a serpentine cooling pipe (441), an outer wall cooling water source circularly flows in the serpentine cooling pipe (441) to cool the cooling pipes (44), when the sheet passes through the outer walls of the cooling pipes (44), the cooling pipes (44) cool two sides of the sheet to enable the sheet to be cooled rapidly, then the sheet enters the water tank (45) and is turned and guided out through a first turning roller (452), an ultrasonic vibration plate (451) uses the clean water as a medium to ultrasonically clean the sheet passing through the water tank (45) to remove impurity and dust adhered to the sheet and ensure the cleanness of the surface of the sheet, then the sheet passes between the two air boxes (46) and is turned through a second turning roller (422), and an outer wall air source enters the air boxes (46) through a connecting pipe (461), and the air is blown to the surface of the sheet by an air box (46), the two sides of the sheet are dried, and finally, a power box (42) drives a winding roller (421) to rotate to wind the sheet.
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| CN1181029A (en) * | 1995-04-12 | 1998-05-06 | 美国铝公司 | Method and apparatus for coating a metal strip and the product thereof |
| CN102993602A (en) * | 2012-11-27 | 2013-03-27 | 宁波一舟塑胶有限公司 | CMP-grade flame-retardant smoke-inhibiting polyvinyl chloride cable sheath material and preparation method thereof |
| CN208197534U (en) * | 2018-04-10 | 2018-12-07 | 福建泓宝信塑胶科技有限公司 | A kind of cooling system of intermediate coat |
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|---|---|---|---|---|
| US20030109187A1 (en) * | 2001-12-10 | 2003-06-12 | Cantrell Larry J. | Treated fabric and method and apparatus for producing same |
| CN101352931A (en) * | 2003-04-03 | 2009-01-28 | Isg技术公司 | Etruded molten polymeric film bonding of solid polymeric film to flat-rolled sheet metal continuous strip |
| DE102013012843A1 (en) * | 2013-08-02 | 2015-02-05 | Anker-Teppichboden Gebr. Schoeller Gmbh + Co. Kg | Textile floor covering, in particular for use in the interior of aircraft |
| CN107877963B (en) * | 2017-11-18 | 2020-02-07 | 江苏东鋆光伏科技有限公司 | High-molecular wax-imitated PVC decorative film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181029A (en) * | 1995-04-12 | 1998-05-06 | 美国铝公司 | Method and apparatus for coating a metal strip and the product thereof |
| CN102993602A (en) * | 2012-11-27 | 2013-03-27 | 宁波一舟塑胶有限公司 | CMP-grade flame-retardant smoke-inhibiting polyvinyl chloride cable sheath material and preparation method thereof |
| CN208197534U (en) * | 2018-04-10 | 2018-12-07 | 福建泓宝信塑胶科技有限公司 | A kind of cooling system of intermediate coat |
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