CN109180980A - A kind of production technology and its recovery method of novel plastic woven bag - Google Patents

A kind of production technology and its recovery method of novel plastic woven bag Download PDF

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Publication number
CN109180980A
CN109180980A CN201810675885.3A CN201810675885A CN109180980A CN 109180980 A CN109180980 A CN 109180980A CN 201810675885 A CN201810675885 A CN 201810675885A CN 109180980 A CN109180980 A CN 109180980A
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woven bag
silica gel
dampness
outer layer
novel
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CN201810675885.3A
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张爱军
张峰
陈颜君
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Zaoyang Donghang Woven Printing Co Ltd
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Zaoyang Donghang Woven Printing Co Ltd
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Priority to CN201810675885.3A priority Critical patent/CN109180980A/en
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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
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • 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
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)

Abstract

The present invention provides the production technology and its recovery method of a kind of novel plastic woven bag, and the novel plastic woven bag successively includes internal layer woven bag, dampness prompt outer layer and transparent waterproof layer from inside to outside, comprising the following steps: S1: discoloration silica gel prepares；S2: drying is blended；S3: preparation dampness prompt outer layer: by PP GRANULES, EVA, clarifier, NiCl2·2C6H12N4·10H2O Novel color-changing silica gel particle is added heating in coextrusion blow film machine, is blow molded into cylinder-shaped dampness prompt outer layer after melting；S4: knitting process；S5: bag making.The purpose of the present invention is to provide a kind of production technology of novel plastic woven bag and its recovery methods, it is intended to the dampness state of energy intuitive judgment woven bag interior items and woven bag dampness position, and recoverable, the novel woven bag of save the cost.

Description

A kind of production technology and its recovery method of novel plastic woven bag
Technical field
The present invention relates to Polywoven Bag processing technique field, in particular to a kind of novel, the prompt that can make moist plastics The production technology and its recovery method of woven bag.
Background technique
Polywoven Bag is to form using polypropylene as primary raw material by extrusion, wire drawing, then through weaving, braiding, bag making. Polypropylene is a kind of translucent, semi-crystal thermoplastic, has high intensity, good insulating, water absorption rate low, hot with regard to shape temperature High, the features such as density is small, crystallinity is high, it is formed into the primary raw material of woven bag.Woven bag, which is widely used in, contains chemicals, grain The products such as food, flour, cement.Existing Polywoven Bag only play splendid attire effect, when the article of splendid attire becomes damp and rotten without Woven bag can only be opened by containing article by being judged outside woven bag and judge whether article makes moist by method, moreover, Can not judge in woven bag contain article dampness position, have the article top of some splendid attires do not make moist but bottom make moist, beat Upper articles damp degree can only be judged by opening woven bag, can not judge the damp degree that article is contained in woven bag lower part.
In order to realize dampness state and the woven bag dampness position of energy intuitive judgment woven bag interior items, need to research and develop one Kind new Polywoven Bag and its production technology.
Summary of the invention
The purpose of the present invention is to provide a kind of production technology of novel plastic woven bag and its recovery methods, it is intended to can be straight See the dampness state for judge woven bag interior items and woven bag make moist position, and recoverable, save the cost it is novel Woven bag.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of production technology of novel plastic woven bag, the novel plastic woven bag successively include that internal layer is compiled from inside to outside Knit bag, dampness prompt outer layer and transparent waterproof layer, comprising the following steps:
S1: discoloration silica gel prepares: by orange no cobalt discoloration silica gel and NiCl2·2C6H12N4·10H2O Novel color-changing silica gel Particle is pulverized into, sieving prepares respectively；
S2: drying is blended: by virgin material polypropylene and reclaimed materials polypropylene, filling master batch, auxiliary agent, orange no cobalt discoloration silica gel Particle, which is put into, stirs drying in dry blender, material of the blending after dry is put into extruder, is extruded as film, water is cooling Afterwards, be cut into embryo silk with blade, and be stretched to form flat filament by drying-plate, flat filament after thermal finalization by receive silk machine receipts silk at Volume；
S3: preparation dampness prompt outer layer: by PP GRANULES, EVA, clarifier, NiCl2·2C6H12N4·10H2O is novel Discoloration silica gel particle is added heating in coextrusion blow film machine, is blow molded into cylinder-shaped dampness prompt outer layer after melting；
S4: knitting process: by coiled flat filament by circular weaving machine at columnar internal layer woven bag, by examining, inspection After testing qualification, dampness prompt outer layer jacket is wound outside internal layer woven bag, then through winder, is formed and is bonded using compounding machine The good woven bag with dampness prompt outer layer；
S5: bag making: the woven bag with dampness prompt outer layer bonded that step S4 is prepared coats transparent high score outside Sub- waterproofing agent, after dry and hard formation transparent waterproof layer, by cutting and sewing, being prepared into finished product has novel plastic woven bag.
As a further improvement of the present invention, raw material components are virgin material polypropylene 40%-70%, recycling poly- third in step S2 Alkene 10%-20%, filling master batch 5%-10%, auxiliary agent 1%-5%, orange discoloration silica gel particle 14%-25%.
As a further improvement of the present invention, raw material components are polypropylene 45%-65%, EVA15%- in step S3 25%, clarifier 0.1%-0.5%, NiCl2·2C6H12N4·10H2O Novel color-changing silica gel particle 19.9%-29.5%.
As a further improvement of the present invention, no cobalt discoloration silica gel and NiCl2·2C6H12N4·10H2O Novel color-changing silica gel The partial size of particle is 100-200 mesh.
The present invention also provides a kind of recovery methods of novel plastic woven bag, comprising the following steps:
A. sort out: classifying to the discarded woven bag of recycling, be divided into I type, II type and III type, I type corresponds to outer layer part Discoloration is pink, and II type corresponds to woven bag color change interval area green and is greater than pink, and III type corresponds to woven bag color change interval Area pink is more than or equal to green；
B: classification processing: the discoloration rent of I type woven bag is carried out coating transparent polymer after drying processing again anti- Aqua dries stand-by；II type woven bag is put into baker and is dried, is dried stand-by；III type woven bag is crushed, is heated to 400 DEG C, filtering obtains filtrate A and filter residue B, and filtrate A is put into extruder, produces recycling PP GRANULES, molten by butanone After liquid washing is dry, investment step S2 is mixed with virgin material PP GRANULES to be carried out continuing to produce, and hydrogen-oxygen will be housed in filter residue B collection In the reaction kettle for changing sodium solution, active carbon, 300-350 DEG C is controlled reaction 3-5 hours, NiCl is used in concentration, cooling respectively2· 2C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form NiCl2·2C6H12N4·10H2O Novel color-changing silica gel With orange no cobalt discoloration silica gel, produced subsequently into raw material is re-used as in step S2.
Compared with prior art, the invention has the following advantages:
1. the present invention is provided with two layers dampness prompt layer, can judge from obvious discoloration external film damage and water inflow or Internal wetted is rotten.
2. the present invention two layers dampness prompt layer is evenly distributed with discoloration silica gel, variation color difference, internal discoloration silica gel by Tide becomes green, and outer layer discoloration silica gel water inlet becomes pink, and the woven bag of dampness prompt of the invention compares single layer indicator Setting, can more accurately determine woven bag internal wetted or external dampness, single layer indicator discoloration can not judge be Outside dampness water inlet or internal wetted discoloration, as long as existing technical staff's single layer indicator discoloration, is judged as substance in bag Dampness handles substance in bag in time, and actual capabilities are only to be made moist to change colour by bag external contact water, and water does not diffuse in bag Substance, handling substance in bag at this time will cause false judgment and processing, result in waste of resources, and the double-deck indicating effect of the present invention is logical The combination for crossing different discoloration areas can obviously determine that woven bag is by outside water inlet or internal wetted, if intake into outside Outside drying is then mended into brush waterproof layer in breakage in time, resource has greatly been saved, has extended the service life of woven bag.
3. the present invention is evenly distributed with discoloration silica gel using two layers dampness prompt layer, changes colour sensitive, easily determine, it is local by Tide discoloration, that is, can determine whether woven bag internal wetted position, isolate the position that do not make moist, stop loss in time, save enterprise's production consumption.
4. the method for substance in the different corresponding different processing bags of dampness colour developing of the invention, two layers of use mention Showing function not is only to play a part of single dampness prompt, and be bound together and play a part of mutually cooperateing with promoting, When only seeing woven bag sub-fraction becomes pink, judgement only has the bursting outside water inlet of part, carries out to rent Brush waterproof layer is mended in drying；When woven bag internal layer locally becomes green, when outer layer largely becomes pink, it can be determined that It is that bursting outside infiltration is more, is just seeped into inside woven bag, shift the article that do not make moist, the woven bag of rupture is crushed, reacted back Harvest raw material preparation cost invention novel plastic woven bag again, it is energy saving, save production cost；When internal layer woven bag becomes green Color, and when outer layer locally becomes pink, judge that inner sealing is not carried out or substance becomes damp and rotten and generates water, handles in time Woven bag inner material, drying woven bag can reuse.
5. the present invention can not only play a part of discoloration instruction, another party using discoloration silica gel, discoloration silica gel Face a degree of can also play a part of desiccant, can while changing colour instruction a degree of moisture absorption, prevent from containing object Product become damp and rotten, and the silica gel that changes colour can repeat to utilize with color indicator by drying, and environmental protection economizes on resources, the present invention By the way that the silica gel in discarded woven bag is filtered processing, not melted in 400 DEG C of at a temperature of silica gel, stability is high, and poly- third Alkene is molten, effectively silica gel particle can be made to separate with polypropylene by filtering, then reaction generates waterglass again, generate silica gel Afterwards, immersion liquid is prepared into the discoloration silica gel of needs, and the woven bag of discarded breakage can be classified and recycled again, it is dirty to reduce environment Dye improves the producing level of woven bag resource.
6. evenly dispersed formation silica gel-is poly- in the form of molecule in present invention discoloration silica gel microparticle filling polypropylene " island structure " of propylene, significantly improves the anti-cracking performance of polypropylene material, and original mechanical performance, heat resistance It is unaffected with electric property, improve the stretch-proof tear resistance and wear-resisting property of woven bag.
7. polypropylene discoloration silica gel of the invention is difficult to dissolve in organic solvent, therefore the silica gel that changes colour is separated, is filtered dry excessively It is recoverable after dry, it is with good stability, and when woven bag recycles, the melting temperature of silica gel is much higher than Polypropylene can be separated conveniently and effectively with polypropylene, and the recycling of woven bag is facilitated.
8. the present invention prepares woven bag internal layer by the way of mixing reclaimed materials and virgin material, the braiding produced ensure that While the quality of bag, production cost can be both reduced, improves productivity effect, and take full advantage of resource, while being conducive to ring Border protection.
9. discoloration silica gel of the invention change with ambient humidity change substance in conjunction with water number, and then change its molecule Structure, this NiCl2·2C6H12N4·10H2O is able to satisfy the binding ability to the binding ability of water lower than silica gel to water, and NiCl2·2C6H12N4·10H2The semiquantitative index lgK1-lgK2 of O is little, and the dry and wet of reaction environment that can be very sensitive and accurate becomes Change, there is good invertibity, NiCl2·2C6H12N4·10H2The molar extinction coefficient of O is than light blue cobalt ions colour-changing agent Height, therefore identical color changeable effect, therefore, NiCl can be reached using less molal quantity2·2C6H12N4·10H2O is more economical Material benefit reduces the production cost of enterprise.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment.Obviously, described Embodiment be only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ability Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to guarantor of the present invention The range of shield.
The present invention discloses a kind of production technology of novel plastic woven bag and its recovery methods, and specific embodiment is such as Under.
Embodiment 1
A kind of production technology of novel plastic woven bag, novel plastic woven bag successively include that internal layer weaves from inside to outside Bag, dampness prompt outer layer and transparent waterproof layer, comprising the following steps:
S1: discoloration silica gel prepares: by orange no cobalt discoloration silica gel and NiCl2·2C6H12N4·10H2O Novel color-changing silica gel Particle is pulverized into, sieving prepares respectively；
S2: drying is blended: by virgin material polypropylene 40kg, recycles polypropylene 20kg, filling master batch calcium carbonate 10kg, auxiliary agent 5kg, partial size are the orange discoloration silica gel particle 25kg of 100 purposes, put into and stir drying in dry blender, after drying being blended Material put into extruder, be extruded as film, after water is cooling, be cut into embryo silk with blade, and be stretched by drying-plate to be formed it is flat Silk, it is coiled that flat filament receives silk by receive silk machine after thermal finalization；
S3: preparation dampness prompt outer layer: by polypropylene 45kg, EVA25kg, clarifier 0.5kg, 100 purpose of partial size NiCl2·2C6H12N4·10H2Heating in coextrusion blow film machine, melting after-blow is added in O Novel color-changing silica gel particle 29.5kg It is moulded into cylinder-shaped dampness prompt outer layer；
S4: knitting process: by coiled flat filament by circular weaving machine at columnar internal layer woven bag, by examining, inspection After testing qualification, dampness prompt outer layer jacket is wound outside internal layer woven bag, then through winder, is formed and is bonded using compounding machine The good woven bag with dampness prompt outer layer；
S5: bag making: the woven bag with dampness prompt outer layer bonded that step S4 is prepared coats transparent high score outside Sub- waterproofing agent, after dry and hard formation transparent waterproof layer, by cutting and sewing, being prepared into finished product has novel plastic woven bag.
The present invention also provides a kind of recovery methods of novel plastic woven bag, comprising the following steps:
A. sort out: classifying to the discarded woven bag of recycling, be divided into I type, II type and III type, I type corresponds to outer layer part Discoloration is pink, and II type corresponds to woven bag color change interval area green and is greater than pink, and III type corresponds to woven bag color change interval Area pink is more than or equal to green；
B: classification processing: the discoloration rent of I type woven bag is carried out coating transparent polymer after drying processing again anti- Aqua dries stand-by；II type woven bag is put into baker and is dried, is dried stand-by；III type woven bag is crushed, is heated to 400 DEG C, filtering obtains filtrate A and filter residue B, and filtrate A is put into extruder, produces recycling PP GRANULES, molten by butanone After liquid washing is dry, investment step S2 is mixed with virgin material PP GRANULES to be carried out continuing to produce, and hydrogen-oxygen will be housed in filter residue B collection In the reaction kettle for changing sodium solution, active carbon, 300-350 DEG C is controlled reaction 3-5 hours, NiCl is used in concentration, cooling respectively2· 2C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form NiCl2·2C6H12N4·10H2O Novel color-changing silica gel With orange no cobalt discoloration silica gel, produced subsequently into raw material is re-used as in step S2.
Embodiment 2
A kind of production technology of novel plastic woven bag, novel plastic woven bag successively include that internal layer weaves from inside to outside Bag, dampness prompt outer layer and transparent waterproof layer, comprising the following steps:
S1: discoloration silica gel prepares: by orange no cobalt discoloration silica gel and NiCl2·2C6H12N4·10H2O Novel color-changing silica gel Particle is pulverized into, sieving prepares respectively；
S2: drying is blended: by virgin material polypropylene 70kg, recycles polypropylene 10kg, filling master batch 5kg, auxiliary agent 1kg, partial size It for the orange discoloration silica gel particle 14kg of 200 purposes, puts into and stirs drying in dry blender, material of the blending after dry is thrown Enter extruder, be extruded as film, after water is cooling, is cut into embryo silk with blade, and be stretched to form flat filament by drying-plate, flat filament warp Cross after thermal finalization that receive silk by receive silk machine coiled；
S3: preparation dampness prompt outer layer: by polypropylene 65kg, EVA15kg, clarifier 0.1kg, 200 purpose of partial size NiCl2·2C6H12N4·10H2Heating in coextrusion blow film machine, melting after-blow is added in O Novel color-changing silica gel particle 19.9kg It is moulded into cylinder-shaped dampness prompt outer layer；
S4: knitting process: by coiled flat filament by circular weaving machine at columnar internal layer woven bag, by examining, inspection After testing qualification, dampness prompt outer layer jacket is wound outside internal layer woven bag, then through winder, is formed and is bonded using compounding machine The good woven bag with dampness prompt outer layer；
S5: bag making: the woven bag with dampness prompt outer layer bonded that step S4 is prepared coats transparent high score outside Sub- waterproofing agent, after dry and hard formation transparent waterproof layer, by cutting and sewing, being prepared into finished product has novel plastic woven bag.
The present invention also provides a kind of recovery methods of novel plastic woven bag, comprising the following steps:
A. sort out: classifying to the discarded woven bag of recycling, be divided into I type, II type and III type, I type corresponds to outer layer part Discoloration is pink, and II type corresponds to woven bag color change interval area green and is greater than pink, and III type corresponds to woven bag color change interval Area pink is more than or equal to green；
B: classification processing: the discoloration rent of I type woven bag is carried out coating transparent polymer after drying processing again anti- Aqua dries stand-by；II type woven bag is put into baker and is dried, is dried stand-by；III type woven bag is crushed, is heated to 400 DEG C, filtering obtains filtrate A and filter residue B, and filtrate A is put into extruder, produces recycling PP GRANULES, molten by butanone After liquid washing is dry, investment step S2 is mixed with virgin material PP GRANULES to be carried out continuing to produce, and hydrogen-oxygen will be housed in filter residue B collection In the reaction kettle for changing sodium solution, active carbon, 300-350 DEG C is controlled reaction 3-5 hours, NiCl is used in concentration, cooling respectively2· 2C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form NiCl2·2C6H12N4·10H2O Novel color-changing silica gel With orange no cobalt discoloration silica gel, produced subsequently into raw material is re-used as in step S2.
Embodiment 3
A kind of production technology of novel plastic woven bag, novel plastic woven bag successively include that internal layer weaves from inside to outside Bag, dampness prompt outer layer and transparent waterproof layer, comprising the following steps:
S1: discoloration silica gel prepares: by orange no cobalt discoloration silica gel and NiCl2·2C6H12N4·10H2O Novel color-changing silica gel Particle is pulverized into, sieving prepares respectively；
S2: drying is blended: by virgin material polypropylene 60kg, recycles polypropylene 15kg, filling master batch 6kg, auxiliary agent 2kg, partial size It for the orange discoloration silica gel particle 17kg of 150 purposes, puts into and stirs drying in dry blender, material of the blending after dry is thrown Enter extruder, be extruded as film, after water is cooling, is cut into embryo silk with blade, and be stretched to form flat filament by drying-plate, flat filament warp Cross after thermal finalization that receive silk by receive silk machine coiled；
S3: preparation dampness prompt outer layer: by polypropylene 60kg, EVA18kg, clarifier 0.2kg, 150 purpose of partial size NiCl2·2C6H12N4·10H2Heating in coextrusion blow film machine, melting after-blow is added in O Novel color-changing silica gel particle 21.8kg It is moulded into cylinder-shaped dampness prompt outer layer；
S4: knitting process: by coiled flat filament by circular weaving machine at columnar internal layer woven bag, by examining, inspection After testing qualification, dampness prompt outer layer jacket is wound outside internal layer woven bag, then through winder, is formed and is bonded using compounding machine The good woven bag with dampness prompt outer layer；
S5: bag making: the woven bag with dampness prompt outer layer bonded that step S4 is prepared coats transparent high score outside Sub- waterproofing agent, after dry and hard formation transparent waterproof layer, by cutting and sewing, being prepared into finished product has novel plastic woven bag.
The present invention also provides a kind of recovery methods of novel plastic woven bag, comprising the following steps:
A. sort out: classifying to the discarded woven bag of recycling, be divided into I type, II type and III type, I type corresponds to outer layer part Discoloration is pink, and II type corresponds to woven bag color change interval area green and is greater than pink, and III type corresponds to woven bag color change interval Area pink is more than or equal to green；
B: classification processing: the discoloration rent of I type woven bag is carried out coating transparent polymer after drying processing again anti- Aqua dries stand-by；II type woven bag is put into baker and is dried, is dried stand-by；III type woven bag is crushed, is heated to 400 DEG C, filtering obtains filtrate A and filter residue B, and filtrate A is put into extruder, produces recycling PP GRANULES, molten by butanone After liquid washing is dry, investment step S2 is mixed with virgin material PP GRANULES to be carried out continuing to produce, and hydrogen-oxygen will be housed in filter residue B collection In the reaction kettle for changing sodium solution, active carbon, 300-350 DEG C is controlled reaction 3-5 hours, NiCl is used in concentration, cooling respectively2· 2C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form NiCl2·2C6H12N4·10H2O Novel color-changing silica gel With orange no cobalt discoloration silica gel, produced subsequently into raw material is re-used as in step S2.
The production technology and its recovery method of a kind of novel plastic woven bag provided by the present invention have been carried out in detail above It is thin to introduce.Principle and implementation of the present invention are described for specific embodiment used herein, above embodiments Illustrate to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common skill of the art , without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for art personnel, these change It is also fallen within the protection scope of the claims of the present invention into modification.

Claims (5)

1. a kind of production technology of novel plastic woven bag, it is characterised in that: the novel plastic woven bag is from inside to outside successively Including internal layer woven bag, dampness prompt outer layer and transparent waterproof layer, comprising the following steps:
S1: discoloration silica gel prepares: by orange no cobalt discoloration silica gel and NiCl2·2C6H12N4·10H2O Novel color-changing silica gel pulverizes At particle, sieving prepares respectively；
S2: drying is blended: by virgin material polypropylene and reclaimed materials polypropylene, filling master batch, auxiliary agent, orange no cobalt discoloration silica gel particle It puts into and stirs drying in dry blender, material of the blending after dry is put into extruder, is extruded as film, after water is cooling, It is cut into embryo silk with blade, and is stretched to form flat filament by drying-plate, it is coiled that flat filament receives silk by receive silk machine after thermal finalization；
S3: preparation dampness prompt outer layer: by PP GRANULES, EVA, clarifier, NiCl2·2C6H12N4·10H2O Novel color-changing Silica gel particle is added heating in coextrusion blow film machine, is blow molded into cylinder-shaped dampness prompt outer layer after melting；
S4: knitting process: coiled flat filament is examined and is closed by examining at columnar internal layer woven bag by circular weaving machine After lattice, dampness prompt outer layer jacket is wound outside internal layer woven bag, then through winder, has been bonded using compounding machine formation Woven bag with dampness prompt outer layer；
S5: bag making: the woven bag with dampness prompt outer layer bonded that step S4 is prepared coats transparent polymer outside to be prevented Aqua, after dry and hard formation transparent waterproof layer, by cutting and sewing, being prepared into finished product has novel plastic woven bag.
2. a kind of production technology of novel plastic woven bag according to claim 1, it is characterised in that: in the step S2 Raw material components are virgin material polypropylene 40%-70%, recycle polypropylene 10%-20%, filling master batch 5%-10%, auxiliary agent 1%- 5%, orange discoloration silica gel particle 14%-25%.
3. a kind of production technology of novel plastic woven bag according to claim 1, it is characterised in that: in the step S3 Raw material components are polypropylene 45%-65%, EVA15%-25%, clarifier 0.1%-0.5%, NiCl2·2C6H12N4·10H2O Novel color-changing silica gel particle 19.9%-29.5%.
4. a kind of production technology of novel plastic woven bag according to claim 1, it is characterised in that: the orange no cobalt Change colour silica gel and NiCl2·2C6H12N4·10H2The partial size of O Novel color-changing silica gel particle is 100-200 mesh.
5. a kind of recovery method of novel plastic woven bag according to claim 1, it is characterised in that: including following step It is rapid:
A: sort out: classifying to the discarded woven bag of recycling, be divided into I type, II type and III type, I type corresponds to outer layer local discolouration For pink, II type corresponds to woven bag color change interval area green and is greater than pink, and III type corresponds to woven bag color change interval area Pink is more than or equal to green；
B: classification processing: coating transparent polymer waterproofing agent after carrying out drying processing to the discoloration rent of I type woven bag again, It dries stand-by；II type woven bag is put into baker and is dried, is dried stand-by；III type woven bag is crushed, is heated to 400 DEG C, Filtering, obtains filtrate A and filter residue B, and filtrate A puts into extruder, produces recycling PP GRANULES, wash by butanone solution After drying, investment step S2 is mixed with virgin material PP GRANULES to be carried out continuing to produce, will be molten equipped with sodium hydroxide in filter residue B collection Liquid, active carbon reaction kettle in, control 300-350 DEG C reaction 3-5 hour, be concentrated, cool down, use NiCl respectively2·2C6H12N4· 10H2O solution and crystal violet indicator solution colour to form NiCl2·2C6H12N4·10H2O Novel color-changing silica gel and orange no cobalt Change colour silica gel, is produced subsequently into raw material is re-used as in step S2.
CN201810675885.3A 2018-06-27 2018-06-27 A kind of production technology and its recovery method of novel plastic woven bag Withdrawn CN109180980A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110983550A (en) * 2019-12-09 2020-04-10 福清市洪裕塑胶有限公司 Method for manufacturing woven bag by recycling plastic

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202436167U (en) * 2012-01-17 2012-09-19 李靖秀 Disposable mask used by physician
CN203064374U (en) * 2012-12-27 2013-07-17 天津嘉泰丰塑料编织有限公司 Woven bag with film adhered inside
CN105109803A (en) * 2015-07-16 2015-12-02 广西鹿寨桂浙塑料包装有限公司 Method for manufacturing interior film-pasting woven bag
CN107007918A (en) * 2017-05-09 2017-08-04 王小玉 One kind uses lung ventilator patient with respiratory surface hood pad and breathing mask

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202436167U (en) * 2012-01-17 2012-09-19 李靖秀 Disposable mask used by physician
CN203064374U (en) * 2012-12-27 2013-07-17 天津嘉泰丰塑料编织有限公司 Woven bag with film adhered inside
CN105109803A (en) * 2015-07-16 2015-12-02 广西鹿寨桂浙塑料包装有限公司 Method for manufacturing interior film-pasting woven bag
CN107007918A (en) * 2017-05-09 2017-08-04 王小玉 One kind uses lung ventilator patient with respiratory surface hood pad and breathing mask

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张杰等: "新型变色硅胶的研究", 《化学世界》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110983550A (en) * 2019-12-09 2020-04-10 福清市洪裕塑胶有限公司 Method for manufacturing woven bag by recycling plastic
CN110983550B (en) * 2019-12-09 2021-06-08 福清市洪裕塑胶有限公司 Method for manufacturing woven bag by recycling plastic

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Application publication date: 20190111