CN109161984A - A kind of moisture absorption responds the production technology and its recovery method of sensitive Polywoven Bag - Google Patents
A kind of moisture absorption responds the production technology and its recovery method of sensitive Polywoven Bag Download PDFInfo
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- CN109161984A CN109161984A CN201810675936.2A CN201810675936A CN109161984A CN 109161984 A CN109161984 A CN 109161984A CN 201810675936 A CN201810675936 A CN 201810675936A CN 109161984 A CN109161984 A CN 109161984A
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- woven bag
- bag
- silica gel
- dampness
- moisture absorption
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
-
- 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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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Packages (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention provides the production technology and its recovery method that a kind of moisture absorption responds sensitive Polywoven Bag, it successively includes internal layer woven bag, dampness prompt outer layer and transparent waterproof layer that the moisture absorption responds sensitive Polywoven Bag 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, CoSO4·C6H12N4·10H2O 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 production technologies and its recovery method that a kind of moisture absorption responds sensitive Polywoven Bag, it is intended to dampness state and the woven bag dampness position of energy intuitive judgment woven bag interior items, and recoverable, the novel woven bag of save the cost.
Description
Technical field
The present invention relates to Polywoven Bag processing technique field, in particular to a kind of dampness prompts rapid Polywoven Bag
Production technology and its recovery method.
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 production technology and its recycling sides that a kind of moisture absorption responds sensitive Polywoven Bag
Method, it is intended to which the dampness state of energy intuitive judgment woven bag interior items and woven bag dampness position, and recoverable are saved
The novel woven bag of cost.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of moisture absorption responds the production technology of sensitive Polywoven Bag, the moisture absorption respond sensitive Polywoven Bag by
It is interior successively to prompt outer layer and transparent waterproof layer including internal layer woven bag, dampness to outer, comprising the following steps:
S1: discoloration silica gel prepares: by orange no cobalt discoloration silica gel and CoSO4·C6H12N4·10H2O Novel color-changing silica gel is ground
It is broken into 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, 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, CoSO4·C6H12N4·10H2The novel change of O
Color 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, is prepared into finished product and has the moisture absorption to respond sensitive plastics and compile
Knit 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%, CoSO4·C6H12N4·10H2O Novel color-changing silica gel particle 19.9%-29.5%.
As a further improvement of the present invention, no cobalt discoloration silica gel and CoSO4·C6H12N4·10H2O Novel color-changing silica gel
The partial size of particle is 100-200 mesh.
The present invention also provides the recovery methods that a kind of moisture absorption responds sensitive Polywoven 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, CoSO is used in concentration, cooling respectively4·
C6H12N4·10H2O solution and crystal violet indicator solution colour to form CoSO4·C6H12N4·10H2O Novel color-changing silica gel and orange
Color is produced without cobalt discoloration silica gel 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
The preparation cost invention moisture absorption responds sensitive Polywoven Bag to harvest raw material again, energy saving, saves production cost；When internal layer is compiled
Knitting bag becomes green, and when outer layer locally becomes pink, judges that inner sealing is not carried out or substance becomes damp and rotten generation
Water, handles woven bag inner material in time, and 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 CoSO4·C6H12N4·10H2O is able to satisfy the binding ability to the binding ability of water lower than silica gel to water, and
CoSO4·C6H12N4·10H2The 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, and cost is relatively low, advantageously 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.
It is specific real the present invention discloses production technology and its recovery method that a kind of moisture absorption responds sensitive Polywoven Bag
It is as follows to apply mode.
Embodiment 1
A kind of moisture absorption responds the production technology of sensitive Polywoven Bag, the moisture absorption respond sensitive Polywoven Bag by it is interior to
It outside successively include 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 CoSO4·C6H12N4·10H2O Novel color-changing silica gel is ground
It is broken into particle, 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
CoSO4·C6H12N4·10H2O Novel color-changing silica gel particle 29.5kg is added heating in coextrusion blow film machine, is blow molded after melting
It makes moist at cylindrical shape and prompts 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, is prepared into finished product and has the moisture absorption to respond sensitive plastics and compile
Knit bag.
The present invention also provides the recovery methods that a kind of moisture absorption responds sensitive Polywoven 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, CoSO is used in concentration, cooling respectively4·
C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form CoSO4·C6H12N4·10H2O Novel color-changing silica gel and
Orange no cobalt discoloration silica gel, is produced subsequently into raw material is re-used as in step S2.
Embodiment 2
A kind of moisture absorption responds the production technology of sensitive Polywoven Bag, the moisture absorption respond sensitive Polywoven Bag by it is interior to
It outside successively include 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 CoSO4·C6H12N4·10H2O Novel color-changing silica gel is ground
It is broken into particle, 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
CoSO4·C6H12N4·10H2O Novel color-changing silica gel particle 19.9kg is added heating in coextrusion blow film machine, is blow molded after melting
It makes moist at cylindrical shape and prompts 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, is prepared into finished product and has the moisture absorption to respond sensitive plastics and compile
Knit bag.
The present invention also provides the recovery methods that a kind of moisture absorption responds sensitive Polywoven 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, CoSO is used in concentration, cooling respectively4·
C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form CoSO4·C6H12N4·10H2O Novel color-changing silica gel and
Orange no cobalt discoloration silica gel, is produced subsequently into raw material is re-used as in step S2.
Embodiment 3
A kind of moisture absorption responds the production technology of sensitive Polywoven Bag, the moisture absorption respond sensitive Polywoven Bag by it is interior to
It outside successively include 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 CoSO4·C6H12N4·10H2O Novel color-changing silica gel is ground
It is broken into particle, 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
CoSO4·C6H12N4·10H2O Novel color-changing silica gel particle 21.8kg is added heating in coextrusion blow film machine, is blow molded after melting
It makes moist at cylindrical shape and prompts 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, is prepared into finished product and has the moisture absorption to respond sensitive plastics and compile
Knit bag.
The present invention also provides the recovery methods that a kind of moisture absorption responds sensitive Polywoven 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, CoSO is used in concentration, cooling respectively4·
C6H12N4·10H2O weak solution and crystal violet indicator solution colour to form CoSO4·C6H12N4·10H2O Novel color-changing silica gel and
Orange no cobalt discoloration silica gel, is produced subsequently into raw material is re-used as in step S2.
Production technology and its recycling side of sensitive Polywoven Bag are responded to a kind of moisture absorption provided by the present invention above
Method is described in detail.Principle and implementation of the present invention are described for specific embodiment used herein, with
The explanation of upper embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that being led for this technology
For the those of ordinary skill in domain, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and
Modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (5)
1. the production technology that a kind of moisture absorption responds sensitive Polywoven Bag, it is characterised in that: the sensitive modeling of moisture absorption response
Expect that 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: by orange no cobalt discoloration silica gel and CoSO4·C6H12N4·10H2O Novel color-changing silica gel is pulverized into
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, CoSO4·C6H12N4·10H2O Novel color-changing silicon
Glue 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, is prepared into the finished product moisture absorption and responds sensitive Polywoven Bag.
2. the production technology that a kind of moisture absorption according to claim 1 responds sensitive Polywoven Bag, it is characterised in that: institute
Stating raw material components in step S2 is virgin material polypropylene 40%-70%, recycles polypropylene 10%-20%, filling master batch 5%-10%,
Auxiliary agent 1%-5%, orange discoloration silica gel particle 14%-25%.
3. the production technology that a kind of moisture absorption according to claim 1 responds sensitive Polywoven Bag, it is characterised in that: institute
Stating raw material components in step S3 is polypropylene 45%-65%, EVA15%-25%, clarifier 0.1%-0.5%, CoSO4·
C6H12N4·10H2O Novel color-changing silica gel particle 19.9%-29.5%.
4. the production technology that a kind of moisture absorption according to claim 1 responds sensitive Polywoven Bag, it is characterised in that: institute
State orange no cobalt discoloration silica gel and CoSO4·C6H12N4·10H2The partial size of O Novel color-changing silica gel particle is 100-200 mesh.
5. the recovery method that a kind of moisture absorption according to claim 1 responds sensitive Polywoven Bag, it is characterised in that: packet
Include 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 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 CoSO respectively4·C6H12N4·
10H2O solution and crystal violet indicator solution colour to form CoSO4·C6H12N4·10H2O 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675936.2A CN109161984A (en) | 2018-06-27 | 2018-06-27 | A kind of moisture absorption responds the production technology and its recovery method of sensitive Polywoven Bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675936.2A CN109161984A (en) | 2018-06-27 | 2018-06-27 | A kind of moisture absorption responds the production technology and its recovery method of sensitive Polywoven Bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109161984A true CN109161984A (en) | 2019-01-08 |
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| CN201810675936.2A Withdrawn CN109161984A (en) | 2018-06-27 | 2018-06-27 | A kind of moisture absorption responds the production technology and its recovery method of sensitive Polywoven Bag |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130022295A1 (en) * | 2006-05-26 | 2013-01-24 | Allen Michael Shapiro | Gusseted polymeric bag having stepped bottom hot air sealed |
| 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 |
-
2018
- 2018-06-27 CN CN201810675936.2A patent/CN109161984A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130022295A1 (en) * | 2006-05-26 | 2013-01-24 | Allen Michael Shapiro | Gusseted polymeric bag having stepped bottom hot air sealed |
| 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 |
Non-Patent Citations (3)
| Title |
|---|
| 孙悦等: "《先进材料》", 30 April 2014, 安徽教育出版社 * |
| 岑绍辉: "变色人造大理石", 《新技术新工艺》 * |
| 祖立武: "《化学纤维成型工艺学》", 30 September 2014, 哈尔滨工业大学出版社 * |
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