CN110204811A - A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound - Google Patents
A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound Download PDFInfo
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- CN110204811A CN110204811A CN201910402920.9A CN201910402920A CN110204811A CN 110204811 A CN110204811 A CN 110204811A CN 201910402920 A CN201910402920 A CN 201910402920A CN 110204811 A CN110204811 A CN 110204811A
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- waste
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- turnover box
- plastic bottle
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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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- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of methods of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound, it is related to waste plastic regeneration technical field, the following steps are included: (1) bottle cap cleans, (2) bottle cap is broken, (3) prepared by reworked material, and (4) plasticate, (5) filtering, (6) it squeezes out, (7) pelletizing；The present invention is by the recycling to waste and old PE plastic bottle closure and processes obtained turnover box PP Pipe Compound, not only realize the resource reutilization of waste and old PE plastic bottle closure, and processing of the made PP Pipe Compound suitable for turnover box is made by the compound action of multiple functions auxiliary agent, processing forming is good, made turnover box has excellent mechanical performance, extends the service life of turnover box while guaranteeing that turnover box uses quality.
Description
Technical field:
The present invention relates to waste plastic regeneration technical fields, and in particular to a kind of waste and old PE plastic bottle closure regeneration processing turnover
The method of case PP Pipe Compound.
Background technique:
Turnover box, also referred to as box for material circulation are widely used in the industries such as machinery, automobile, household electrical appliances, light industry, electronics, can be acidproof resistance to
Alkali, resistance to greasy dirt, it is non-toxic and tasteless, it can be used for holding food etc., easy to clean, part turnover is convenient, it is neat to stack, convenient for management.
The main environmentally friendly LLDPE material for using food-grade, state-of-the-art rotary molding process one-pass molding refines process in the world,
It is latched equipped with ocean stainless steel, bottom is furnished with rubber antiskid pad.
Plastic bottle is widely used a kind of container in daily life, is usually discarded after use.In order to avoid discarded
Environmental pollution and the wasting of resources caused by plastic bottle, are at present recycled plastic bottle, are made after regeneration treatment a variety of
Plastic products.And the body of plastic bottle is usually made of flexible plastic, bottle cap is made of rigid plastics, therefore when recycling
Body and bottle cap can be regenerated respectively after separation and be processed into different plastic products.
In order to realize the regeneration of waste plastic bottle, the present invention provides a kind of waste and old PE plastic bottle closure regeneration processing weeks
Waste and old PE plastic bottle closure is made after regeneration treatment turnover box PP Pipe Compound, is processed into through it by the method for turnning box PP Pipe Compound
Turnover box has excellent mechanical performance, meets the use demand of turnover box, and extend the service life of turnover box.
Summary of the invention:
Technical problem to be solved by the present invention lies in providing, a kind of waste and old PE plastic bottle closure regeneration processing turnover box is dedicated
The method of material, this method control parameter is clear and reproducible, and made modified plastic particles are suitable for the processing of turnover box, can show
The mechanical performance for improving turnover box is write, the use demand of turnover box is met.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound, comprising the following steps:
(1) bottle cap cleans: waste and old PE plastic bottle closure is placed in service sink and is impregnated, is rinsed after immersion with clear water, and
Drying；
(2) bottle cap is broken: bottle cap being made up to the sheet stock of length 1-5cm of coarse crushing, then length is made through fine crushing
The sheet stock of 0.1-0.5cm is to get bottle cap waste material；
(3) prepared by reworked material: bottle cap waste material, reinforcing agent, toughener, compatilizer, halogen-free flame retardants and antioxidant are added
In high-speed mixer, it is uniformly mixed to get reworked material；
(4) it plasticates: reworked material is added in extruder, be heated to molten condition plasticizing；
(5) it filters: filter is installed on extruder, the filter type being combined using coarse filtration and fine filtering；
(6) it squeezes out: filtered melt extrusion structure into strips is cooled and shaped, and through oven drying by water cooling box；
(7) pelletizing: the threaded plastic after drying is drawn to pelleter, graininess is cut into.
The reinforcing agent is selected from one of nanometer calcium carbonate, mica powder.
The nanometer calcium carbonate is modified operation are as follows: to nanometer calcium carbonate through dimethylaminoethyl acrylate modification
95% ethyl alcohol of middle addition, adds dimethylaminoethyl acrylate and azodiisobutyronitrile, is heated to reflux state and is reacted,
After reaction three times with 95% ethyl alcohol centrifuge washing, and drying to constant weight, is eventually fabricated nano-powder to get modified Nano carbon
Sour calcium.
Nanometer calcium carbonate significantly improves its humidification, acrylate through dimethylaminoethyl acrylate is modified
The aggregated reaction of ethyl ester generates polymer, and the polymer of generation penetrates into nanometer calcium carbonate inside configuration, to enhance made change
The mechanical performance of property plastics.
It is embedding that the toughener is selected from Styrene-Butadiene-Styrene Block Copolymer, styrene-isoprene-phenylethene
Section copolymer, styrene-ethylene-butylene-styrene block copolymer, styrene ethylene-propylene-styrene block copolymer
One of.
The compatilizer is selected from the mixed of one or both of Research of Grafting Malaic Anhydride Onto Polyethylene, polypropylene grafted maleic anhydride
Close object.
The halogen-free flame retardants is selected from one of ammonium polyphosphate, melamine, zinc borate, aluminium hydroxide, antimony trioxide.
The antioxidant is selected from one or more of irgasfos 168, antioxidant 1010, antioxidant 1076.
Revolving speed in the high-speed mixer is 300-800r/min.
The screw speed of the extruder is 120-180r/min, blending extrusion temperature: 180-190 DEG C of an area, 2nd area
190-200 DEG C, three 205-215 DEG C of areas, four 215-225 DEG C of areas, five 215-225 DEG C of areas, 215-225 DEG C of head.
The strainer mesh number of the coarse filtration is 50-100 mesh, and the strainer mesh number of fine filtering is 200-300 mesh.
The cooling water temperature of the water cooling box is 20-40 DEG C.
A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound, comprising the following steps:
(1) bottle cap cleans: waste and old PE plastic bottle closure is placed in service sink and is impregnated, is rinsed after immersion with clear water, and
Drying；
(2) bottle cap is broken: bottle cap being made up to the sheet stock of length 2-5cm of coarse crushing, then length is made through fine crushing
The sheet stock of 0.2-1cm is to get bottle cap waste material；
(3) prepared by reworked material: bottle cap waste material, reinforcing agent, toughener, compatilizer, halogen-free flame retardants and antioxidant are added
In high-speed mixer, it is uniformly mixed to get reworked material；
(4) it plasticates: reworked material is added in extruder, be heated to molten condition plasticizing；
(5) it filters: filter is installed on extruder, the filter type being combined using coarse filtration and fine filtering；
(6) it squeezes out: filtered melt extrusion structure into strips is cooled and shaped, and through oven drying by water cooling box；
(7) pelletizing: the threaded plastic after drying is drawn to pelleter, graininess is cut into；
(8) it low-temperature treatment: is transferred to 0-5 DEG C of ring immediately after recycled plastic granules are heated to 140-150 DEG C of heat preservation 2-3min
15-30min is stood in border, is then transferred in room temperature environment spontaneous recovery to room temperature.
Recycled plastic granules are heated to rapidly to intensify plastic molecules knot by low-temperature treatment after the state not melted also
It is configured to stable form, to enhance the mechanical performance of modified plastics.
The service sink adds water to be formulated by cleaning agent, and cleaning agent selects sodium gluconate.
The sodium gluconate is modified operation are as follows: by sodium gluconate and pyroglutamic acid through pyroglutamic acid modification
It is dissolved in the water, and the concentrated sulfuric acid is added, be then heated to 70-80 DEG C of insulation reaction, be concentrated under reduced pressure after reaction, concentration is remaining
Object is washed three times with 0-5 DEG C of cold water, powder is made after drying finally to get modified glucose acid sodium.
Esterification occurs for sodium gluconate and pyroglutamic acid, and the cleaning ability of the modified glucose acid sodium of generation is better than
Sodium gluconate, and not will increase and clean wastewater produced pollution.
The beneficial effects of the present invention are: the present invention is by recycling to waste and old PE plastic bottle closure and processes that turnover box is made is special
Materials not only realize the resource reutilization of waste and old PE plastic bottle closure, and make institute by the compound action of multiple functions auxiliary agent
PP Pipe Compound processed is suitable for the processing of turnover box, and processing forming is good, and made turnover box has excellent mechanical performance, is guaranteeing week
Turnning box extends the service life of turnover box while using quality.
Specific embodiment:
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
(1) bottle cap cleans: waste and old PE plastic bottle closure being placed in service sink and impregnates 30min, is rushed after immersion with clear water
It washes, and dries；
(2) bottle cap is broken: bottle cap being made up to the sheet stock of length 3-5cm of coarse crushing, then length is made through fine crushing
The sheet stock of 0.5-1cm is to get bottle cap waste material；
(3) prepared by reworked material: by 50kg bottle cap waste material, 2kg reinforcing agent nanometer calcium carbonate, 2kg toughener styrene-fourth two
Alkene-styrene block copolymer, 0.8kg compatilizer Research of Grafting Malaic Anhydride Onto Polyethylene, 0.5kg halogen-free flame retardants zinc borate and
0.5kg antioxidant 1010 is added in high-speed mixer, revolving speed 700r/min, mixes 10min to get reworked material；
(4) it plasticates: reworked material is added in extruder, be heated to molten condition plasticizing；
(5) it filters: filter is installed on extruder, the filter type being combined using coarse filtration and fine filtering, the filter of coarse filtration
Mesh number is 100 mesh, and the strainer mesh number of fine filtering is 200 mesh；
(6) it squeezes out: filtered melt extrusion structure into strips is cooled and shaped, cooling water temperature is by water cooling box
25 DEG C, and through oven drying；
(7) pelletizing: the threaded plastic after drying is drawn to pelleter, graininess is cut into.
The screw speed of extruder is 180r/min, blending extrusion temperature: 186 DEG C of an area, two 195 DEG C of areas, three areas 210
DEG C, four 217 DEG C of areas, five 222 DEG C of areas, 221 DEG C of head.
Embodiment 2
It is control with embodiment 1, is arranged using mica powder and substitutes nanometer calcium carbonate as the embodiment 2 of reinforcing agent, remaining behaviour
It is identical with embodiment 1 to make condition.
Embodiment 3
Be control with embodiment 1, setting is modified the embodiment 3 of processing with nanometer calcium carbonate, remaining operating condition with
Embodiment 1 is identical.
The modification of nanometer calcium carbonate: 95% ethyl alcohol of 500mL is added into 100g nanometer calcium carbonate, adds 20g third
Olefin(e) acid dimethylaminoethyl and 1g azodiisobutyronitrile, are heated to reflux state and are reacted, after reaction with 95% ethyl alcohol
Three times, and drying to constant weight, is eventually fabricated nano-powder to get modified nano calcium carbonate for centrifuge washing.
Embodiment 4
It is control with embodiment 1, the embodiment 4 that recycled plastic granules are carried out with low-temperature treatment, remaining operating condition is set
It is identical with embodiment 1.
(1) bottle cap cleans: waste and old PE plastic bottle closure being placed in service sink and impregnates 30min, is rushed after immersion with clear water
It washes, and dries；
(2) bottle cap is broken: bottle cap being made up to the sheet stock of length 3-5cm of coarse crushing, then length is made through fine crushing
The sheet stock of 0.5-1cm is to get bottle cap waste material；
(3) prepared by reworked material: by 50kg bottle cap waste material, 2kg reinforcing agent nanometer calcium carbonate, 2kg toughener styrene-fourth two
Alkene-styrene block copolymer, 0.8kg compatilizer Research of Grafting Malaic Anhydride Onto Polyethylene, 0.5kg halogen-free flame retardants zinc borate and
0.5kg antioxidant 1010 is added in high-speed mixer, revolving speed 700r/min, mixes 10min to get reworked material；
(4) it plasticates: reworked material is added in extruder, be heated to molten condition plasticizing；
(5) it filters: filter is installed on extruder, the filter type being combined using coarse filtration and fine filtering, the filter of coarse filtration
Mesh number is 100 mesh, and the strainer mesh number of fine filtering is 200 mesh；
(6) it squeezes out: filtered melt extrusion structure into strips is cooled and shaped, cooling water temperature is by water cooling box
25 DEG C, and through oven drying；
(7) pelletizing: the threaded plastic after drying is drawn to pelleter, graininess is cut into；
(8) it low-temperature treatment: recycled plastic granules is heated to being transferred to immediately in 0 DEG C of environment after 140 DEG C of heat preservation 3min stands
Then 30min is transferred in room temperature environment spontaneous recovery to room temperature.
The screw speed of extruder is 180r/min, blending extrusion temperature: 186 DEG C of an area, two 195 DEG C of areas, three areas 210
DEG C, four 217 DEG C of areas, five 222 DEG C of areas, 221 DEG C of head.
Embodiment 5
With embodiment 1 be control, setting service sink by cleaning agent add water be formulated and cleaning agent select sodium gluconate
Embodiment 5, remaining operating condition is identical with embodiment 1, and 10g sodium gluconate is added in every L water.
Embodiment 6
With embodiment 1 be control, setting service sink by cleaning agent add water be formulated and cleaning agent select modified glucose
The embodiment 6 of sour sodium, remaining operating condition is identical with embodiment 1, and 10g modified glucose acid sodium is added in every L water.
The preparation of modified glucose acid sodium: 10g sodium gluconate and 1g pyroglutamic acid are dissolved in the water, and are added
The 0.05g concentrated sulfuric acid is then heated to 80 DEG C of insulation reactions, is concentrated under reduced pressure after reaction, and condensate residue is washed with 0-5 DEG C of cold water
It washs three times, powder is made after drying finally to get modified glucose acid sodium.
Reference examples
(1) bottle cap cleans: waste and old PE plastic bottle closure is placed in service sink and is impregnated, is rinsed after immersion with clear water, and
Drying；
(2) bottle cap is broken: bottle cap being made up to the sheet stock of length 3-5cm of coarse crushing, then length is made through fine crushing
The sheet stock of 0.5-1cm is to get bottle cap waste material；
(3) it plasticates: bottle cap waste material is added in extruder, be heated to molten condition plasticizing；
(4) it filters: filter is installed on extruder, the filter type being combined using coarse filtration and fine filtering, the filter of coarse filtration
Mesh number is 100 mesh, and the strainer mesh number of fine filtering is 200 mesh；
(5) it squeezes out: filtered melt extrusion structure into strips is cooled and shaped, cooling water temperature is by water cooling box
25 DEG C, and through oven drying；
(6) pelletizing: the threaded plastic after drying is drawn to pelleter, graininess is cut into.
The screw speed of extruder is 180r/min, blending extrusion temperature: 186 DEG C of an area, two 195 DEG C of areas, three areas 210
DEG C, four 217 DEG C of areas, five 222 DEG C of areas, 221 DEG C of head.
Being utilized respectively embodiment 1-4 and reference examples, will to be processed into turnover box with batch waste and old PE plastic bottle closure of equivalent dedicated
Material, will be made the same specification turnover box of thickness 10mm, and test its machine through identical Shooting Technique after made PP Pipe Compound heating melting
Tool performance, the results are shown in Table 1.
Tensile strength test method: GB/T 1040-2006；
Yield strength test method: GB/T 1040-2006；
Cantilever beam impact strength test method: GB/T 1843-2008；
Bending strength test method: GB/T 9341-2008；
Bending modulus test method: GB/T 9341-2008.
The service performance of the 1 made PP Pipe Compound of embodiment 1-4 of table
| Group | Tensile strength | Yield strength | Cantilever beam impact strength | Bending strength | Bending modulus |
| Unit | MPa | MPa | KJ/m2 | MPa | MPa |
| Embodiment 1 | 25 | 24 | 13 | 28 | 920 |
| Embodiment 2 | 22 | 21 | 11 | 25 | 910 |
| Embodiment 3 | 32 | 29 | 18 | 35 | 990 |
| Embodiment 4 | 27 | 26 | 14 | 31 | 960 |
| Reference examples | 15 | 16 | 8 | 16 | 800 |
As shown in Table 1, the embodiment of the present invention can be improved institute by modification to nanometer calcium carbonate and low-temperature treatment
The mechanical performance of turnover box processed.
It is utilized respectively 50kg embodiment 5 and 6 cleaning agent of embodiment to clean to batch waste and old PE plastic bottle closure of 50kg, soak
It is rinsed twice, is measured to bottle cap dirt removal rate, the results are shown in Table 2 with 50kg clear water after steeping 30min.
Dirt removal rate of the 2 embodiment 5-6 of table to waste and old PE plastic bottle closure
| Project | Embodiment 5 | Embodiment 6 |
| Dirt removal rate/% | 98.6 | 99.3 |
As shown in Table 2, the embodiment of the present invention is achieved by the modification to cleaning agent sodium gluconate and is being used on an equal basis
The technical effect of waste and old PE plastic bottle closure dirt removal rate is significantly improved under the conditions of water.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound, it is characterised in that: the following steps are included:
(1) bottle cap cleans: waste and old PE plastic bottle closure being placed in service sink and is impregnated, is rinsed after immersion with clear water, and dry；
(2) bottle cap is broken: bottle cap being made up to the sheet stock of length 1-5cm of coarse crushing, then length 0.1- is made through fine crushing
The sheet stock of 0.5cm is to get bottle cap waste material；
(3) prepared by reworked material: high speed is added in bottle cap waste material, reinforcing agent, toughener, compatilizer, halogen-free flame retardants and antioxidant
In mixing machine, it is uniformly mixed to get reworked material；
(4) it plasticates: reworked material is added in extruder, be heated to molten condition plasticizing；
(5) it filters: filter is installed on extruder, the filter type being combined using coarse filtration and fine filtering；
(6) it squeezes out: filtered melt extrusion structure into strips is cooled and shaped, and through oven drying by water cooling box；
(7) pelletizing: the threaded plastic after drying is drawn to pelleter, graininess is cut into.
2. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The reinforcing agent is selected from one of nanometer calcium carbonate, mica powder.
3. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The toughener is selected from Styrene-Butadiene-Styrene Block Copolymer, styrene-isoprene-phenylethene block copolymerization
Object, styrene-ethylene-butylene-styrene block copolymer, one in styrene ethylene-propylene-styrene block copolymer
Kind.
4. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The compatilizer is selected from the mixture of one or both of Research of Grafting Malaic Anhydride Onto Polyethylene, polypropylene grafted maleic anhydride.
5. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The halogen-free flame retardants is selected from one of ammonium polyphosphate, melamine, zinc borate, aluminium hydroxide, antimony trioxide.
6. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The antioxidant is selected from one or more of irgasfos 168, antioxidant 1010, antioxidant 1076.
7. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
Revolving speed in the high-speed mixer is 300-800r/min.
8. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The screw speed of the extruder be 120-180r/min, blending extrusion temperature: 180-190 DEG C of an area, two 190-200 DEG C of areas,
Three 205-215 DEG C of areas, four 215-225 DEG C of areas, five 215-225 DEG C of areas, 215-225 DEG C of head.
9. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, it is characterised in that:
The strainer mesh number of the coarse filtration is 50-100 mesh, and the strainer mesh number of fine filtering is 200-300 mesh.
10. the method for waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound according to claim 1, feature exist
In: the cooling water temperature of the water cooling box is 20-40 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402920.9A CN110204811A (en) | 2019-05-15 | 2019-05-15 | A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402920.9A CN110204811A (en) | 2019-05-15 | 2019-05-15 | A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110204811A true CN110204811A (en) | 2019-09-06 |
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ID=67787273
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|---|---|---|---|
| CN201910402920.9A Withdrawn CN110204811A (en) | 2019-05-15 | 2019-05-15 | A kind of method of waste and old PE plastic bottle closure regeneration processing turnover box PP Pipe Compound |
Country Status (1)
| Country | Link |
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| CN (1) | CN110204811A (en) |
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2019
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Application publication date: 20190906 |