CN110983473B - Preparation method of woven bag with strong anti-aging effect - Google Patents
Preparation method of woven bag with strong anti-aging effect Download PDFInfo
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- CN110983473B CN110983473B CN201911249556.3A CN201911249556A CN110983473B CN 110983473 B CN110983473 B CN 110983473B CN 201911249556 A CN201911249556 A CN 201911249556A CN 110983473 B CN110983473 B CN 110983473B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/68—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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- 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
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/132—Phenols containing keto groups, e.g. benzophenones
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Abstract
The invention relates to a preparation method of a woven bag, in particular to a preparation method of a woven bag with strong anti-aging effect. Which comprises the following steps: mixing stone powder, recycled plastic, color master batch, first wood powder, first tourmaline powder and o-hydroxy benzophenone, then melting and mixing with beta nucleating agent at the high temperature of 250 ℃ to obtain molten material, extruding the molten material through a die head to form a plastic film, and cooling and shaping by a water tank; stretching the film; preparing a smearing liquid, namely mixing and stirring the porous powder quartz powder, the second tourmaline powder, the second wood powder, the acrylic emulsion and water uniformly to obtain the smearing liquid; uniformly coating the surface of the obtained film with the coating liquid, and heating the coated film at 150 ℃ for 1-3 min for drying; and (3) preparing the coated film into silk threads through a wire drawing machine set to form silk ingots, weaving the silk ingots into woven bag cylindrical cloth, and sewing the woven bag into the woven bag. The invention improves the anti-aging effect of the woven bag made of recycled plastic through stone powder, wood powder and tourmaline powder.
Description
Technical Field
The invention relates to a preparation method of a woven bag, in particular to a preparation method of a woven bag with strong anti-aging effect.
Background
The plastic recycling means that a certain recycling process is adopted to recycle the waste plastic so as to achieve the purpose of changing waste into valuable. At present, the waste plastics in China mainly comprise plastic films, plastic wires and woven products, foamed plastics, plastic packing cases and containers, daily plastic products, plastic bags, agricultural mulching films and the like.
At present, polypropylene plastics are recycled and granulated, materials such as calcium carbonate, polyethylene, a dispersing agent, a surfactant and the like are added, and plastic products such as woven bags and the like are prepared after hot melting and mixing. This approach is costly.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problems in the prior art, the present invention provides a method for producing plastic products by hot mixing stone powder and recycled plastics, which reduces granulation steps, reduces waste, and reduces cost.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a preparation method of a woven bag with a strong anti-aging effect comprises the following steps:
s1 plastic film: mixing 5-15 parts by weight of stone powder, 40-60 parts by weight of recycled plastic, 1-3 parts by weight of color master batch, 5-13 parts by weight of first wood powder, 0.1-0.3 part by weight of first tourmaline powder and 0.3-0.8 part by weight of o-hydroxybenzophenone, and then melting and mixing with 1-5 parts by weight of beta nucleating agent at a high temperature of 250 ℃ to obtain a molten material, extruding the molten material through a die head to obtain a plastic film, and cooling and shaping the plastic film through a water tank;
S2 stretching the film obtained in step S1;
s3 smearing: preparing a smearing liquid, namely mixing and uniformly stirring 1-3 parts by weight of porous powder quartz powder, 0.3-0.8 part by weight of second tourmaline powder, 5-13 parts by weight of second wood powder, 3-10 parts by weight of acrylic emulsion and 10-30 parts by weight of water to obtain the smearing liquid; uniformly coating the surface of the obtained film with a coating liquid, wherein the weight ratio of the film to the coating liquid is 1: 5-10, and heating the coated film at 150 ℃ for 1-3 min for drying;
s4, preparing by silk threads: preparing the coated film into a silk thread by a wire drawing unit;
s5 weaving the woven bag tube cloth: respectively mounting the obtained silk ingots on silk frames at two sides of a circular weaving machine set, wherein silk threads of the silk ingots coming out of the silk frames are warp threads; in addition, dimensional threads are installed in a shuttle in a host machine, warp threads and weft threads are interwoven to weave a woven bag cylinder cloth with a fixed width and a fixed length, and the woven bag cylinder cloth is printed by an automatic drum flexographic printing machine;
s6, cutting and sewing into woven bags: and (4) automatically cutting, cutting and sewing the obtained woven bag tube cloth into a woven bag by an integrated machine.
Further, in step S1, the recycled plastic is mainly obtained by sorting, crushing, cleaning, sterilizing and drying the waste polypropylene plastic products.
Further, in step S1, the recycled plastic is prepared by adding sodium hydroxy cellulose in an amount of 1-3% by weight of the waste polypropylene plastic product under a condition of hot melting at 200 ℃.
(III) advantageous effects
The beneficial effects of the invention are:
the invention improves the anti-aging effect of the woven bag made of recycled plastic through stone powder, wood powder and tourmaline powder.
Drawings
FIG. 1 is a schematic structural diagram of a low-temperature high-pressure toner internal mixer;
fig. 2 is a schematic structural diagram of the stone powder mixing device.
Reference numerals
11, a banburying container; 12. a tapered screw; 13. a heater; 14. a thermocouple; 15. a first rotating electric machine; 16. a charging hopper; 17. pressing the blocks; 18. a telescopic motor; 19. pressing the container; 110. a lower pressing plate; 111. a collection container; 112. and (4) scraping the blade.
21. A mixing vessel; 22. a first vibrator; 23. a mixed powder feeding pipe; 24. a second vibrator; 25. a collection container; 26. supporting legs; 27. a stone powder funnel; 28. a stone powder feeding pipe; 29. a third vibrator; 210. a plastic powder funnel; 211. a plastic powder feeding pipe; 212. and a fourth vibrator.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention by way of specific embodiments thereof.
A preparation method of a woven bag with strong anti-aging effect comprises the following steps:
s1 is made of plastic films: mixing 5-15 parts by weight of stone powder, 40-60 parts by weight of recycled plastic, 1-3 parts by weight of color master batch, 5-13 parts by weight of first wood powder, 0.1-0.3 part by weight of first tourmaline powder and 0.3-0.8 part by weight of o-hydroxybenzophenone, and then melting and mixing with 1-5 parts by weight of beta nucleating agent at a high temperature of 250 ℃ to obtain a molten material, extruding the molten material through a die head to obtain a plastic film, and cooling and shaping the plastic film through a water tank;
s2 stretching the film obtained in step S1;
s3 applying: preparing a smearing liquid, namely mixing and uniformly stirring 1-3 parts by weight of porous powder quartz powder, 0.3-0.8 part by weight of second tourmaline powder, 5-13 parts by weight of second wood powder, 3-10 parts by weight of acrylic emulsion and 10-30 parts by weight of water to obtain the smearing liquid; uniformly coating the surface of the obtained film with coating liquid, wherein the weight ratio of the film to the coating liquid is 1: 5-10, and heating the coated film at 150 ℃ for 1-3 min for drying;
s4 preparing the following components by silk threads: preparing the coated film into silk threads by a wire drawing machine set;
s5 woven bag tube cloth: respectively mounting the obtained silk ingots on silk frames at two sides of a circular weaving machine set, wherein silk threads of the silk ingots coming out of the silk frames are warp threads; in addition, dimensional threads are installed in a shuttle in a host machine, warp threads and weft threads are interwoven to weave a woven bag cylinder cloth with a fixed width and a fixed length, and the woven bag cylinder cloth is printed by an automatic drum flexographic printing machine;
S6, cutting and sewing into woven bags: and (3) automatically cutting, cutting and sewing the obtained woven bag cylinder cloth into a woven bag by an integrated machine.
Further, in step S2, the recycled plastic is mainly obtained by sorting, crushing, cleaning, sterilizing and drying the waste polypropylene plastic products.
Further, in step S1, the recycled plastic is prepared by adding 1-3 wt% of sodium hydroxy cellulose into the waste polypropylene plastic product at 200 ℃ for mixing treatment.
The invention improves the anti-aging effect of the woven bag made of recycled plastic through stone powder, wood powder and tourmaline powder. The stone powder and the recycled plastic are thermally mixed to prepare the plastic product, so that the steps of granulation are reduced, the waste is reduced, and the cost is reduced.
The color master batch is mainly prepared by banburying of toner and plastics. The temperature of the common banburying is up to 200 ℃, and the high temperature can damage the color generation of the toner and reduce the utilization rate. In order to enable the toner and the plastic to be internally mixed in a low-temperature environment, the toner and the plastic can be internally mixed together by adopting a high-pressure low-temperature mode and generating self-temperature through high pressure. Experiments show that the color master batch prepared at low temperature and high pressure has better chromaticity.
The color master batch and the transparent plastic are mixed and mixed by a low-temperature high-pressure toner mixer, and the low-temperature high-pressure toner mixer comprises an extrusion mechanism, a strip discharging mechanism and a cutting mechanism; the extrusion mechanism comprises an internal mixing container 11, a first rotating motor 15, more than two inclined conical screws 12 and a heater 13, wherein a feeding hole is formed in the side wall of one end of the internal mixing container 11, a discharging hole is formed in the other end of the internal mixing container 11, and an included angle is formed between the internal mixing container 11 and the ground; the inclined conical screw 12 is arranged in the banburying container 11, and an output shaft of a first rotating motor 15 is connected with the inclined conical screw 12;
the masterbatch and the transparent plastic are mixed and then enter the inner cavity from a feeding hole of an internal mixing container 11, and the masterbatch and the transparent plastic are subjected to 20-25 MPA pressure by more than two oblique cone screws 12 under the action of a first rotating motor 15, and are subjected to internal mixing under the pressure.
The strip discharging mechanism comprises an upper pressing block 17, a telescopic motor 18, a lower pressing container 19 and a lower pressing plate 110, wherein an opening is formed in the side wall of the lower pressing container 19 and connected with a discharge hole, the bottom of the lower pressing container 19 is of a hollow structure, the lower pressing plate 110 is arranged at the bottom of the lower pressing container 19, a plurality of through grooves are uniformly distributed in the lower pressing plate 110, the upper pressing block 17 is arranged above the lower pressing container 19, and an output shaft of the telescopic motor 18 is connected with the upper pressing block 7;
The cutting mechanism comprises a scraper 112, a second rotating motor and a collecting container 111, the scraper 112 is arranged below the downward pressing container 19, the scraper 112 is arranged in the collecting container 111, and an output shaft of the second rotating motor is connected with the scraper 112. The mixing vessel 11 is bullet-shaped. The extrusion mechanism further comprises a feed hopper 16, and a discharge opening of the feed hopper 16 is connected with the feed inlet. The extruding mechanism further comprises a thermocouple 14 and a secondary instrument, the thermocouple is inserted on the side wall of the banburying container 11 at intervals, and the thermocouple 14 is electrically connected with the secondary instrument. The number of the heaters 13 is plural, and the heaters 13 are arranged in the side wall of the mixing container 11 at equal intervals.
When using low temperature high pressure toner banbury mixer, mix toner and plastic powder in proportion and add to the banburying container after becoming mixed powder, because the banburying container sets up for slope ground, and cooperate the oblique cone screw rod, make the material add the container in back material can not palirrhea, and the pressure of oblique cone screw rod is greater than the pressure of traditional horizontal screw rod, make the temperature that the banburying needs reduce, and then improved the gorgeous degree of toner, the input proportion of plastic powder has been reduced, the required power consumption of heating has been reduced, the cost is reduced, in addition, through the extrusion mechanism will mix the rotatory granule of scraping of rethread scraper behind the powder extrusion strip, holistic automation is competent, the manpower has been practiced thrift. In addition, the temperature condition of the banburying container can be conveniently observed through the thermocouple and the secondary instrument, and the temperature can be conveniently controlled.
Furthermore, in order to reduce the problems that dust volatilizes too fast in the mixing process of the stone powder and the reclaimed materials, the machine is blocked, and photoelectricity is interfered, the rotary method is adopted, and the stone powder is placed in the feed hopper in a rotary mode, so that the dust volatilization is prevented, and the waste is reduced. In the stone powder mixing process, a stone powder mixing device is adopted, as shown in figure 2:
the mountain flour, the recycled plastic and the color master batch are placed in a mountain flour mixing device for mountain flour mixing; the stone powder mixing device comprises a mixing device, a first vibrator 22, a mixed powder feeding pipe 23, a second vibrator 24 and a collecting container 25; mixing arrangement includes mixing container 21, pressure sensor and electric valve, and mixing container 21's bottom center is equipped with a leak, and electric valve sets up on the leak, and pressure sensor sets up in mixing container 21's bottom one side, and pressure sensor is connected with the electric valve electricity, and first vibrator 22 sets up on mixing container 21's lateral wall, the center of mixing container 21 bottom and the output shaft of second rotation motor.
The collecting container 25 is located below the mixing container 21, a mixed powder feeding port is formed in one side wall of the collecting container 25, one end of the mixed powder feeding pipe 23 is connected with the leakage port, the other end of the mixed powder feeding pipe 23 is connected with the mixed powder feeding port, and the second vibrator 24 is arranged on the collecting container 25.
Specifically, the pressure sensor further comprises a single chip microcomputer, and the single chip microcomputer is electrically connected with the pressure sensor. Preferably, the model of the singlechip is 251 singlechip.
The device also comprises a stone powder funnel 27, a stone powder feeding pipe 28, a third vibrator 29, a plastic powder funnel 210, a plastic powder feeding pipe 211 and a fourth vibrator 212;
a stone powder feeding port and a plastic powder feeding port are respectively arranged on two sides of the mixing container 21, one end of a stone powder feeding pipe 28 is connected with a leakage port of a stone powder funnel 27, the other end of the stone powder feeding pipe 28 is connected with the stone powder feeding port, and a third vibrator 29 is arranged on the stone powder feeding pipe 28;
one end of the plastic powder feeding pipe 211 is connected with a leakage opening of the plastic powder hopper 210, the other end of the plastic powder feeding pipe 211 is connected with a plastic powder feeding opening, and the fourth vibrator 212 is arranged on the plastic powder feeding pipe 211.
Wherein, still include supporting legs 26, supporting legs 26 are fixed connection respectively in the bottom four corners of collection container 25.
Mountain flour mixing arrangement is in the use, slowly add mountain flour and plastic powder in mixing container, effect through first vibrator can be with mountain flour and plastic powder misce bene, and can avoid dust pollution, reach pressure sensor's the weight value of predetermineeing after, electric valve opens and carries the mixed powder to the collecting container in through mixing the powder conveying pipe, because the effect of second vibrator, can avoid mixing the powder to condense the jam in mixing the powder conveying pipe, and promote its transport, make the contained angle of mixing powder conveying pipe and ground not need too big also can accomplish the transport, and then can not produce dust pollution when making mixed powder fall into the collecting container, the cleanliness factor is improved. Can make things convenient for the input of mountain flour and plastic powder through mountain flour funnel and plastic powder funnel, in addition through set up third vibrator and fourth vibrator respectively at mountain flour conveying pipe and plastic powder funnel, can reduce dust pollution, further increaseed the cleaning nature. In addition, the mixing container 21 can be rotated by using a rotating electric shock, and the stone powder cannot be scattered in the air to cause pollution due to the excessively light weight of the stone powder due to the centrifugal effect of the rotation in the adding process of the stone powder and the plastic powder.
The first wood powder and the second wood powder are prepared by grinding and mixing wheat straws, cotton stalks and rice hull powder according to the weight ratio of 1: 1.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example 1
The preparation method of the woven bag with strong anti-aging effect comprises the following steps:
s1 treatment of recycled plastics: sorting, crushing, cleaning, sterilizing and drying the waste polypropylene plastic products, and then adding 1 wt% of sodium hydroxy cellulose into the waste polypropylene plastic products at the temperature of 200 ℃ for mixing treatment to obtain recycled plastic;
s2 is made of plastic films: mixing 10 parts by weight of stone powder, 60 parts by weight of recycled plastic, 1 part by weight of color master batch, 10 parts by weight of first wood powder, 0.3 part by weight of first tourmaline powder and 0.3 part by weight of o-hydroxybenzophenone, and then melting and mixing with 3 parts by weight of beta nucleating agent at a high temperature of 250 ℃ to obtain a molten material, extruding the molten material through a die head to obtain a plastic film, and cooling and shaping the plastic film through a water tank;
s2, stretching the film obtained in the step S1, wherein the stretching force is 10N, and the stretching time is 10S;
s3 applying: preparing a smearing liquid, namely mixing and uniformly stirring 3 parts by weight of porous powder quartz powder, 0.3 part by weight of second tourmaline powder, 10 parts by weight of second wood powder, 10 parts by weight of acrylic emulsion and 10 parts by weight of water to obtain the smearing liquid; uniformly coating the surface of the obtained film with a coating liquid, wherein the weight ratio of the film to the coating liquid is 1: 7, and heating the coated film at 150 ℃ for 3min for drying;
S4 preparing the following components by silk threads: preparing the coated film into silk threads by a wire drawing machine set;
s5 woven bag tube cloth: respectively mounting the obtained silk ingots on silk frames at two sides of a circular weaving machine set, wherein silk threads of the silk ingots coming out of the silk frames are warp threads; in addition, dimensional threads are installed in a shuttle in a host machine, warp threads and weft threads are interwoven to weave a woven bag cylinder cloth with a fixed width and a fixed length, and the woven bag cylinder cloth is printed by an automatic drum flexographic printing machine;
s6 cutting and sewing into woven bags: and (4) automatically cutting, cutting and sewing the obtained woven bag tube cloth into a woven bag by an integrated machine.
Example 2
The preparation method of the woven bag with strong anti-aging effect comprises the following steps:
s1 treatment of recycled plastics: sorting, crushing, cleaning, sterilizing and drying the waste polypropylene plastic products, and then adding sodium hydroxy cellulose with the weight of 3 percent of that of the waste polypropylene plastic products under the condition of hot melting at 200 ℃ for mixing treatment to obtain recycled plastic;
s2 plastic film: mixing 5 parts by weight of stone powder, 50 parts by weight of recycled plastic, 3 parts by weight of color master batch, 5-parts by weight of first wood powder, 0.2 part by weight of first tourmaline powder and 0.8 part by weight of o-hydroxybenzophenone, and then melting and mixing with 1 part by weight of beta nucleating agent at the high temperature of 250 ℃ to obtain a molten material, extruding the molten material through a die head to obtain a plastic film, and cooling and shaping the plastic film through a water tank;
S2, stretching the film obtained in the step S1, wherein the stretching force of the stretching treatment is 10N, and the stretching time is 10S;
s3 smearing: preparing a smearing liquid, namely mixing and uniformly stirring 2 parts by weight of porous powder quartz powder, 0.8 part by weight of second tourmaline powder, 5 parts by weight of second wood powder, 5 parts by weight of acrylic emulsion and 30 parts by weight of water to obtain the smearing liquid; uniformly coating the coating liquid on the surface of the obtained film, wherein the weight ratio of the film to the coating liquid is 1: 5, and heating the coated film at 150 ℃ for 2min for drying;
s4, preparing by silk threads: preparing the coated film into silk threads by a wire drawing machine set;
s5 woven bag tube cloth: respectively mounting the obtained silk ingots on silk frames at two sides of a circular weaving machine set, wherein silk threads of the silk ingots coming out of the silk frames are warp threads; in addition, dimensional threads are installed in a shuttle in a host machine, warp threads and weft threads are interwoven to weave a woven bag cylinder cloth with a fixed width and a fixed length, and the woven bag cylinder cloth is printed by an automatic drum flexographic printing machine;
s6 cutting and sewing into woven bags: and (4) automatically cutting, cutting and sewing the obtained woven bag tube cloth into a woven bag by an integrated machine.
Example 3
The preparation method of the woven bag with strong anti-aging effect comprises the following steps:
s1 treatment of recycled plastics: sorting, crushing, cleaning, sterilizing and drying the waste polypropylene plastic products, and then adding 2% of sodium hydroxy cellulose by weight of the waste polypropylene plastic products under the condition of hot melting at 200 ℃ for mixing treatment to obtain recycled plastic;
S2 is made of plastic films: mixing 15 parts by weight of stone powder, 40 parts by weight of recycled plastic, 2 parts by weight of color master batch, 13 parts by weight of first wood powder, 0.1 part by weight of first tourmaline powder and 0.5 part by weight of o-hydroxybenzophenone, and then melting and mixing with 5 parts by weight of beta nucleating agent at a high temperature of 250 ℃ to obtain a molten material, extruding the molten material through a die head to obtain a plastic film, and cooling and shaping the plastic film through a water tank;
s3, stretching the film obtained in the step S1, wherein the stretching force of the stretching treatment is 10N, and the stretching time is 10S;
s4 smearing: preparing a smearing liquid, namely mixing and uniformly stirring 1 part by weight of porous powder quartz powder, 0.5 part by weight of second tourmaline powder, 13 parts by weight of second wood powder, 3 parts by weight of acrylic emulsion and 20 parts by weight of water to obtain the smearing liquid; uniformly coating the surface of the obtained film with a coating liquid, wherein the weight ratio of the film to the coating liquid is 1: 10, and heating the coated film at 150 ℃ for 1min for drying;
s5 preparing the following components by silk threads: preparing the coated film into silk threads by a wire drawing machine set;
s6 woven bag tube cloth: respectively mounting the obtained silk ingots on silk frames at two sides of a circular weaving machine set, wherein silk threads of the silk ingots coming out of the silk frames are warp threads; in addition, dimensional threads are installed in a shuttle in a host machine, warp threads and weft threads are interwoven to weave a woven bag cylinder cloth with a fixed width and a fixed length, and the woven bag cylinder cloth is printed by an automatic drum flexographic printing machine;
S7 cutting and sewing into woven bags: and (4) automatically cutting, cutting and sewing the obtained woven bag tube cloth into a woven bag by an integrated machine.
Comparative example 1
The other points are different from example 3 in that: the stretching process of step S3 is not performed.
Comparative example 2
The other points are different from example 3 in that: the first wood powder in step S2 was replaced with the same weight of stone powder, and the first tourmaline powder was replaced with the same weight of o-hydroxybenzophenone.
Comparative example 3
The other points are different from example 3 in that: the second wood powder and the second tourmaline powder in step S4 were replaced with porous powder quartz powder of the same weight.
Comparative example 4
The other points are different from example 3 in that: in step S4, the porous powder quartz powder is replaced with the second tourmaline powder of the same weight.
Comparative example 5
The other points are different from example 3 in that: the processing of step S4 is not passed.
Through anti-aging experiments
Warp and weft tensile strength retention at break was measured after alternating 200 hours of woven bags obtained in examples 1 to 3 and comparative examples 1 to 5 with a UVB313 lamp, 8 hours of irradiation at 60 ℃ and 4 hours of condensation at 50 ℃.
Experiments show that:
| sample (I) | Warp tensile strength retention | Retention of tensile Strength of dimensional wire |
| Example 1 | 77.89％ | 58.69％ |
| Example 2 | 78.23％ | 59.31％ |
| Example 3 | 76.26％ | 57.89％ |
| Comparative example 1 | 70.35％ | 50.35％ |
| Comparative example 2 | 72.21％ | 53.26％ |
| Comparative example 3 | 71.48％ | 52.88％ |
| Comparative example 4 | 66.89％ | 49.98％ |
| Comparative example 5 | 63.21％ | 43.35％ |
From the above experimental data, it is known from the comparative data of comparative example 1 and examples 1 to 3 that the anti-aging ability of the coating liquid can be improved by the stretching treatment because the coating liquid is absorbed into molecules in the film by the surface of the film having many through holes under the stretching action. The comparative data of comparative example 2 and examples 1-3 show that the addition of the first wood flour and the first tourmaline powder can significantly improve the anti-aging ability, probably because the negative oxygen ions generated from the first wood flour and the first tourmaline powder can neutralize the free radicals, thereby improving the anti-aging ability. The comparative data of comparative example 3 and examples 1-3 show that this is probably also because the negative oxygen ions generated by the second wood flour and the second tourmaline powder can neutralize the free radicals, thereby improving the anti-aging ability. And the comparison of the data of the comparative example 2 and the data of the comparative example 3 shows that wood powder and tourmaline powder have larger influence on the ageing resistance when being coated on the surface of the film. The comparison of the data of the comparative example 3 and the data of the comparative example 4 shows that the porous powder quartz powder and the second tourmaline powder generate interaction, so that the anti-aging capability of the woven bag can be improved. Comparative example 5 it can be seen that the antioxidant capacity of the woven bag is significantly reduced if it is not subjected to a painting treatment.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. A preparation method of a woven bag with a strong anti-aging effect is characterized by comprising the following steps:
s1 plastic film: mixing 5-15 parts by weight of stone powder, 40-60 parts by weight of recycled plastic, 1-3 parts by weight of color master batch, 5-13 parts by weight of first wood powder, 0.1-0.3 part by weight of first tourmaline powder and 0.3-0.8 part by weight of o-hydroxybenzophenone, and then melting and mixing with 1-5 parts by weight of beta nucleating agent at a high temperature of 250 ℃ to obtain a molten material, extruding the molten material through a die head to obtain a plastic film, and cooling and shaping the plastic film through a water tank;
s2 stretching the film obtained in step S1;
s3 applying: preparing a smearing liquid, namely mixing and uniformly stirring 1-3 parts by weight of porous powder quartz powder, 0.3-0.8 part by weight of second tourmaline powder, 5-13 parts by weight of second wood powder, 3-10 parts by weight of acrylic emulsion and 10-30 parts by weight of water to obtain the smearing liquid; uniformly coating the surface of the obtained film with coating liquid, wherein the weight ratio of the film to the coating liquid is 1: 5-10, and heating the coated film at 150 ℃ for 1-3 min for drying;
S4, preparing by silk threads: preparing the coated film into a silk thread by a wire drawing unit;
s5 weaving the woven bag tube cloth: respectively mounting the obtained silk ingots on silk frames at two sides of a circular weaving machine set, wherein silk threads of the silk ingots coming out of the silk frames are warp threads; in addition, the weft is arranged in a shuttle in a host machine, the warp and the weft are interwoven to weave a woven bag cylinder cloth with fixed width and no thread length, and the woven bag cylinder cloth is obtained by printing through an automatic drum flexographic printing machine;
s6 cutting and sewing into woven bags: and (4) automatically cutting, cutting and sewing the obtained woven bag tube cloth into a woven bag by an integrated machine.
2. The method of manufacturing a woven bag having a strong anti-aging effect according to claim 1, wherein the recycled plastic is obtained by sorting, crushing, washing, sterilizing and drying the waste polypropylene plastic products in step S1.
3. The method for preparing the woven bag with strong anti-aging effect according to claim 1, wherein the method comprises the following steps: in step S1, the recycled plastic is prepared by adding sodium hydroxy cellulose 1-3% of the weight of the waste polypropylene plastic product under the condition of hot melting at 200 ℃ to mix.
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