CN105295415A - Degradable garbage bag produced by using waste plastic and preparation method of degradable garbage bag - Google Patents
Degradable garbage bag produced by using waste plastic and preparation method of degradable garbage bag Download PDFInfo
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- CN105295415A CN105295415A CN201510859049.7A CN201510859049A CN105295415A CN 105295415 A CN105295415 A CN 105295415A CN 201510859049 A CN201510859049 A CN 201510859049A CN 105295415 A CN105295415 A CN 105295415A
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- 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
- Y02W30/62—Plastics recycling; Rubber recycling
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- 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
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention discloses a degradable garbage bag produced by using waste plastic. The degradable garbage bag is prepared by recycling the waste plastic, and adding a modifying agent, wherein the thickness of the garbage bag is 0.025mm, the raw materials of the degradable garbage bag comprise a base material and the modifying agent; the mass ratio of the base material and the modifying agent is 2 to 1, the base material is recycled waste plastic, and the waste plastic is the waste plastic subjected to washing, disinfecting and draining; the modifying agent comprises poly butylenes succinate, polyhydroxybutyrate, polycaprolactam, modified starch, polyhydroxyalkanoate, poly ethylene carbonate, poly(propylene carbonate)(PPC), polyvinyl alcohol, polycaprolactone, dihydric alcohol dicarboxylic acid aliphatic polyester, propylene glycol and glycerol. The degradable garbage bag provided by the invention is stable in quality, high in strength, good in toughness, and long in service life, and the recycled waste plastic is used as the raw material to prepare the garbage bag, so the cost is low, and the degradable garbage bag is easy to popularize.
Description
Technical field
The invention belongs to degradable plastics technical field, particularly relate to a kind of degradable garbage bags utilizing waste or used plastics to produce and preparation method thereof.
Background technology
Refuse bag, as the term suggests the sack being load garbage, a slight sack, but brings no small convenience to huge numbers of families, especially for environment protection provides important guarantee, is even conducive to refuse reclamation classification.But refuse bag is mainly made of plastic, plastics then from petroleum refining, and refuse bag is embedded in underground and wanted and could rot in a lot of year, and severe contamination soil; If take burning disposal mode, then can produce noxious fume and toxic gas, chronic pollution environment.How solving the white pollution caused by plastics is the common issue that the universe faces.At present, in many solutions, exploitation degradable plastics becomes the study hotspot of attracting attention in the whole world, and has achieved suitable achievement in research.
Chinese patent CN200910197773.2 discloses a kind of oxidized-biodegradable plastic bag, it is made up of the raw material of following weight per-cent: Low Density Polyethylene (LDPE) 40%, metallocene linear polyethylene (MLLPE) 12%, corn starch pasting modified master 45%, crosses oxyhydroxide (IDP) masterbatch 3%.But the tensile strength of this oxidized-biodegradable plastic bag and toughness limited, be difficult to use as refuse bag.
It is material modified and preparation method thereof that Chinese patent CN201310402682.4 discloses a kind of degradable polyethylene.Degradable polyethylene is material modified mainly for the production of disposable degradable plastics bag, and its major ingredient is high density polyethylene(HDPE), calcium carbonate, Rhizoma amorphophalli glucomannan, W-Gum and whipping agent.But invention product easily decomposes under field conditions (factors), must after dispatching from the factory the short period of time use, affect result of use.
Therefore be badly in need of that a kind of steady quality, intensity are large, the degradable garbage bags of good toughness, long service life and preparation method thereof, to meet the demand in market.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of degradable garbage bags utilizing waste or used plastics to produce and preparation method thereof is provided.
The present invention's adopted technical scheme that solves the problem is: a kind of degradable garbage bags utilizing waste or used plastics to produce, after technics of reclaim of plastic waste, add properties-correcting agent, be prepared into degradable garbage bags, the thickness of refuse bag is 0.025mm, and the raw material of degradable garbage bags comprises base material and properties-correcting agent, the mass ratio of base material and properties-correcting agent is 2:1, and base material is the waste or used plastics reclaimed, and described waste or used plastics is the waste or used plastics after cleaning, sterilize, draining, properties-correcting agent comprises: poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester, propylene glycol, glycerine, the weight part composition of properties-correcting agent comprises: poly butylene succinate 5 parts ~ 10 parts, poly butyric ester 5 parts ~ 10 parts, polycaprolactam 5 parts ~ 10 parts, treated starch 25 parts ~ 30 parts, polyhydroxyalkanoate 5 parts ~ 10 parts, polyethylencarbonate 5 parts ~ 10 parts, carbon dioxide copolymer aliphatic polycarbonate 5 parts ~ 10 parts, polyvinyl alcohol 5 parts ~ 10 parts, polycaprolactone 5 parts ~ 10 parts, dibasic alcohol dicarboxylic acid aliphatic polyester 5 parts ~ 10 parts, propylene glycol 80 parts ~ 100 parts, glycerine 100 parts ~ 200 parts.The refuse bag intensity of preparation is large, good toughness, high temperature resistant, tasteless, safety and sanitation, have market outlook widely.
According to another object of the present invention, be the preparation method that a kind of degradable garbage bags utilizing waste or used plastics to produce is provided, comprise the following steps:
Step one, technics of reclaim of plastic waste process: by the waste or used plastics of recovery through cleaning, sterilizing, drain process;
Step 2, pulverizing: the waste or used plastics after step one being processed, through pulverizing, obtains the plastic powders that particle diameter is 0.5mm ~ 0.8mm;
Step 3, high pressure melting: add propylene glycol, glycerine in plastic powders step 2 obtained, add hot smelting 2 hours ~ 4 hours under the condition of nitrogen pressurization, obtains thick melting thing;
Step 4, secondary merge: melting thing step 3 obtained carries out heat fusion with poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester under nitrogen protection condition, obtains the former material of refuse bag;
Prepared by step 5, plastic grain: by former for refuse bag material dividing processing under the high temperature conditions, and the plastic grain that particle diameter is 0.5mm is made in cooling;
Prepared by step 6, finished product: by plastic grain through plastic bag making machine process, obtain degradable plastic bag finished product.
Further, in step one, clean and be: with water blast gun, the non-plastic material on the waste or used plastics of recovery is rinsed out.
Further, in step one, sterilizing is: 2% sodium chlorate solution's immersion treatment of the quality such as the waste or used plastics that use reclaims 20 minutes.
Further, in step one, drain for: by sterilization after waste or used plastics under sunlight exposure condition, drain 2 hours.
Further, in step 3, nitrogen pressurization is: be filled with nitrogen completely in smelting pot, is 2 standard atmospheric pressures to tank internal pressure.Under pressurized conditions, the unsaturated link(age) of some instability in plastics and glycerine, propylene glycol carry out chemical reaction, improve the performance of material, facilitate the fusion of plastics and glycerine, propylene glycol, but too high pressure and temperature easily makes the complete sex change of plastics, be difficult to control objectives product, therefore strictly will control pressure and temperature, to ensure that product has good physicals.
Further, in step 3, adding hot smelting is: heat under 250 DEG C ~ 300 DEG C conditions, and stir.This temperature can promote that plastics merge, and can prevent again the sudden change of plastics performance.
Further, in step 4, heat fusion is: under an atmospheric pressure condition, heats 1 hour, and stir under 180 DEG C ~ 200 DEG C conditions.An atmospheric nitrogen pressure condition, can available protecting preparation process leniently carry out, and is easy to control.
Further, in step 5, hot conditions is under 200 DEG C of conditions.
Further, in step 6, the process of plastic bag making machine process is: blown film → printed patterns → sealing cuts → cross cutting → packing → refuse bag.
Advantage of the present invention is:
1. large, the good toughness of the refuse bag intensity prepared of the present invention, high temperature resistant, tasteless, safety and sanitation, have market outlook widely;
2. degradable garbage bags of the present invention is with the waste or used plastics reclaimed for raw material, turns waste into wealth, alleviates environmental stress simultaneously;
3. degradable garbage bags of the present invention is merged by waste or used plastics and degradable plastics material, and the refuse bag cost of preparation is low, be easy to promote;
4. in the preparation method of degradable garbage bags of the present invention, under nitrogen protection condition, each component merges, and improves further under an increased pressure to material physical property, and technology is novel, and preparation efficiency is high.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to embodiment, the present invention is further detailed explanation.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Embodiment 1
A kind of degradable garbage bags utilizing waste or used plastics to produce
The thickness of refuse bag is 0.025mm, and the weight part composition of refuse bag raw material comprises: poly butylene succinate 5kg, poly butyric ester 5kg, polycaprolactam 5kg, treated starch 25kg, polyhydroxyalkanoate 5kg, polyethylencarbonate 5kg, carbon dioxide copolymer aliphatic polycarbonate 5kg, polyvinyl alcohol 5kg, polycaprolactone 5kg, dibasic alcohol dicarboxylic acid aliphatic polyester 5kg, propylene glycol 80kg, glycerine 100kg, waste and old recycled plastic 500kg.
Embodiment 2
A kind of degradable garbage bags utilizing waste or used plastics to produce
The thickness of refuse bag is 0.025mm, and the weight part composition of refuse bag raw material comprises: poly butylene succinate 10kg, poly butyric ester 10kg, polycaprolactam 10kg, treated starch 30kg, polyhydroxyalkanoate 10kg, polyethylencarbonate 10kg, carbon dioxide copolymer aliphatic polycarbonate 10kg, polyvinyl alcohol 10kg, polycaprolactone 10kg, dibasic alcohol dicarboxylic acid aliphatic polyester 10kg, propylene glycol 100kg, glycerine 200kg, waste and old recycled plastic 840kg.
Embodiment 3
A kind of degradable garbage bags utilizing waste or used plastics to produce
The thickness of refuse bag is 0.025mm, and the weight part composition of refuse bag raw material comprises: poly butylene succinate 7.5kg, poly butyric ester 7.5kg, polycaprolactam 7.5kg, treated starch 27.5kg, polyhydroxyalkanoate 7.5kg, polyethylencarbonate 7.5kg, carbon dioxide copolymer aliphatic polycarbonate 7.5kg, polyvinyl alcohol 7.5kg, polycaprolactone 7.5kg, dibasic alcohol dicarboxylic acid aliphatic polyester 7.5kg, propylene glycol 90kg, glycerine 150kg, waste and old recycled plastic 670kg.
Embodiment 4
A kind of preparation method of the degradable garbage bags utilizing waste or used plastics to produce
Preparation method comprises the following steps:
(1) technics of reclaim of plastic waste process: the non-plastic material on the waste or used plastics of recovery is rinsed out by the waste or used plastics water blast gun of recovery, then with 2% sodium chlorate solution's immersion treatment sterilization in 20 minutes of the quality such as the waste or used plastics reclaimed, finally the waste or used plastics after sterilization is drained 2 hours under sunlight exposure condition.
(2) pulverize: the waste or used plastics after step one being processed, through pulverizing, obtains the plastic powders that particle diameter is 0.5mm.
(3) high pressure melting: add propylene glycol, glycerine in plastic powders step 2 obtained, be filled with nitrogen completely in smelting pot is under the condition of 2 standard atmospheric pressures to tank internal pressure, heat under 250 DEG C of conditions, and stir, melting 2 hours, obtains thick melting thing.
(4) secondary merges: melting thing step 3 obtained is under nitrogen protection, an atmospheric pressure condition; lower and poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester carry out heating under 180 DEG C of conditions 1 hour; and the fusion that stirs, obtain the former material of refuse bag.
(5) plastic grain preparation: by former for refuse bag material dividing processing under 200 DEG C of conditions, the plastic grain that particle diameter is 0.5mm is made in cooling.
(6) finished product preparation: by plastic grain through plastic bag making machine process, process is: blown film → printed patterns → sealing cuts → cross cutting → packing → refuse bag, obtains degradable garbage bags finished product.
Embodiment 5
A kind of preparation method of the degradable garbage bags utilizing waste or used plastics to produce
Preparation method comprises the following steps:
(1) technics of reclaim of plastic waste process: the non-plastic material on the waste or used plastics of recovery is rinsed out by the waste or used plastics water blast gun of recovery, then with 2% sodium chlorate solution's immersion treatment sterilization in 20 minutes of the quality such as the waste or used plastics reclaimed, finally the waste or used plastics after sterilization is drained 2 hours under sunlight exposure condition.
(2) pulverize: the waste or used plastics after step one being processed, through pulverizing, obtains the plastic powders that particle diameter is 0.8mm.
(3) high pressure melting: add propylene glycol, glycerine in plastic powders step 2 obtained, be filled with nitrogen completely in smelting pot is under the condition of 2 standard atmospheric pressures to tank internal pressure, heat under 300 DEG C of conditions, and stir, melting 4 hours, obtains thick melting thing.
(4) secondary merges: melting thing step 3 obtained is under nitrogen protection, an atmospheric pressure condition; lower and poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester carry out heating under 200 DEG C of conditions 1 hour; and the fusion that stirs, obtain the former material of refuse bag.
(5) plastic grain preparation: by former for refuse bag material dividing processing under 200 DEG C of conditions, the plastic grain that particle diameter is 0.5mm is made in cooling.
(6) finished product preparation: by plastic grain through plastic bag making machine process, process is: blown film → printed patterns → sealing cuts → cross cutting → packing → refuse bag, obtains degradable garbage bags finished product.
Embodiment 6
A kind of preparation method of the degradable garbage bags utilizing waste or used plastics to produce
Preparation method comprises the following steps:
(1) technics of reclaim of plastic waste process: the non-plastic material on the waste or used plastics of recovery is rinsed out by the waste or used plastics water blast gun of recovery, then with 2% sodium chlorate solution's immersion treatment sterilization in 20 minutes of the quality such as the waste or used plastics reclaimed, finally the waste or used plastics after sterilization is drained 2 hours under sunlight exposure condition.
(2) pulverize: the waste or used plastics after step one being processed, through pulverizing, obtains the plastic powders that particle diameter is 0.65mm.
(3) high pressure melting: add propylene glycol, glycerine in plastic powders step 2 obtained, be filled with nitrogen completely in smelting pot is under the condition of 2 standard atmospheric pressures to tank internal pressure, heat under 275 DEG C of conditions, and stir, melting 3 hours, obtains thick melting thing.
(4) secondary merges: melting thing step 3 obtained is under nitrogen protection, an atmospheric pressure condition; lower and poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester carry out heating under 190 DEG C of conditions 1 hour; and the fusion that stirs, obtain the former material of refuse bag.
(5) plastic grain preparation: by former for refuse bag material dividing processing under 200 DEG C of conditions, the plastic grain that particle diameter is 0.5mm is made in cooling.
(6) finished product preparation: by plastic grain through plastic bag making machine process, process is: blown film → printed patterns → sealing cuts → cross cutting → packing → refuse bag, obtains degradable garbage bags finished product.
Experimental example 1
In this experimental example, test the performance of the degradable garbage bags utilizing waste or used plastics to produce of the embodiment of the present invention 1 ~ 3 by experiment.
1. test materials
Experimental group: the degradable garbage bags that the embodiment of the present invention 1 ~ 3 utilizes waste or used plastics to produce;
Control group: conventional trash bag.
2. test method
The degradable garbage bags that the test embodiment of the present invention 1 ~ 3 utilizes waste or used plastics to produce, the indices performance of conventional trash bag.
3. test-results
Analyze after the degradable garbage bags utilizing waste or used plastics to produce the embodiment of the present invention 1 ~ 3, the indices performance test of conventional trash bag, experimental result is in table 1.
Table 1. test result
| Material | Degradation cycle | Tensile strength/MPa | Life cycle | Degraded mode |
| Embodiment 1 degradable garbage bags | 7 months | 9.7 | 1 year | Bury, microbiological deterioration |
| Embodiment 2 degradable garbage bags | 7 months | 9.9 | 1 year | Bury, microbiological deterioration |
| Embodiment 3 degradable garbage bags | 7 months | 9.8 | 1 year | Bury, microbiological deterioration |
| Common degradable garbage bags | 14 years | 2.8 | 10 months | Microbiological deterioration, photodegradation |
Experimental result shows, compared with conventional trash bag, the degradation cycle of the degradable garbage bags that the embodiment of the present invention 1 ~ 3 utilizes waste or used plastics to produce under square one is short, tensile strength is beaten, life cycle is long, results of property measures and is better than common degradable garbage bags, degraded mode mainly relies on the microbiological deterioration after burying, and can not occur quality problems in normal use procedure.
These are only the preferred embodiments of the present invention and experimental example, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in invention.
Claims (10)
1. utilize the degradable garbage bags that waste or used plastics is produced, after technics of reclaim of plastic waste, add properties-correcting agent, be prepared into degradable garbage bags, the thickness of described refuse bag is 0.025mm, it is characterized in that, the raw material of described degradable garbage bags comprises base material and properties-correcting agent, the mass ratio of described base material and properties-correcting agent is 2:1, and described base material is the waste or used plastics reclaimed, and described waste or used plastics is the waste or used plastics after cleaning, sterilize, draining, described properties-correcting agent comprises: poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester, propylene glycol, glycerine, the weight part composition of described properties-correcting agent comprises: poly butylene succinate 5 parts ~ 10 parts, poly butyric ester 5 parts ~ 10 parts, polycaprolactam 5 parts ~ 10 parts, treated starch 25 parts ~ 30 parts, polyhydroxyalkanoate 5 parts ~ 10 parts, polyethylencarbonate 5 parts ~ 10 parts, carbon dioxide copolymer aliphatic polycarbonate 5 parts ~ 10 parts, polyvinyl alcohol 5 parts ~ 10 parts, polycaprolactone 5 parts ~ 10 parts, dibasic alcohol dicarboxylic acid aliphatic polyester 5 parts ~ 10 parts, propylene glycol 80 parts ~ 100 parts, glycerine 100 parts ~ 200 parts.
2. a preparation method for the degradable garbage bags utilizing waste or used plastics to produce as claimed in claim 1, it is characterized in that, preparation method comprises:
Step one, technics of reclaim of plastic waste process: by the waste or used plastics of recovery through cleaning, sterilizing, drain process;
Step 2, pulverizing: the waste or used plastics after step one being processed, through pulverizing, obtains the plastic powders that particle diameter is 0.5mm ~ 0.8mm;
Step 3, high pressure melting: add propylene glycol, glycerine in plastic powders step 2 obtained, add hot smelting 2 hours ~ 4 hours under the condition of nitrogen pressurization, obtains thick melting thing;
Step 4, secondary merge: melting thing step 3 obtained carries out heat fusion with poly butylene succinate, poly butyric ester, polycaprolactam, treated starch, polyhydroxyalkanoate, polyethylencarbonate, carbon dioxide copolymer aliphatic polycarbonate, polyvinyl alcohol, polycaprolactone, dibasic alcohol dicarboxylic acid aliphatic polyester under nitrogen protection condition, obtains the former material of refuse bag;
Prepared by step 5, plastic grain: by former for refuse bag material dividing processing under the high temperature conditions, and the plastic grain that particle diameter is 0.5mm is made in cooling;
Prepared by step 6, finished product: by plastic grain through plastic bag making machine process, obtain degradable garbage bags finished product.
3. preparation method according to claim 2, is characterized in that, in step one, described cleaning is: rinsed out by the non-plastic material on the waste or used plastics of recovery with water blast gun.
4. preparation method according to claim 2, is characterized in that, in step one, described sterilization is: 2% sodium chlorate solution's immersion treatment of the quality such as the waste or used plastics that use reclaims 20 minutes.
5. preparation method according to claim 2, is characterized in that, in step one, described in drain for: by sterilization after waste or used plastics under sunlight exposure condition, drain 2 hours.
6. preparation method according to claim 2, is characterized in that, in step 3, described nitrogen pressurization is: be filled with nitrogen completely in smelting pot, is 2 standard atmospheric pressures to tank internal pressure.
7. preparation method according to claim 2, is characterized in that, in step 3, described in add hot smelting and be: heat under 250 DEG C ~ 300 DEG C conditions, and stir.
8. preparation method according to claim 2, is characterized in that, in step 4, described heat fusion is: under an atmospheric pressure condition, heats 1 hour, and stir under 180 DEG C ~ 200 DEG C conditions.
9. preparation method according to claim 2, is characterized in that, in step 5, described hot conditions is under 200 DEG C of conditions.
10. preparation method according to claim 2, is characterized in that, in step 6, the process of described plastic bag making machine process is: blown film → printed patterns → sealing cuts → cross cutting → packing → refuse bag.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317941A (en) * | 2016-08-15 | 2017-01-11 | 安徽明诚塑业有限公司 | Antimicrobial and anti-tear degradable garbage bag and preparation method thereof |
| CN107629246A (en) * | 2017-09-29 | 2018-01-26 | 安徽凤杰金属资源有限公司 | A kind of recovery method of ornamental waste or used plastics |
| CN107858858A (en) * | 2017-11-04 | 2018-03-30 | 舒城宏峰纸板有限公司 | For the buffer fillings agent in corrugated layer in high-strength corrugated board |
| CN109334015A (en) * | 2018-09-10 | 2019-02-15 | 王顺 | A kind of production technology of regenerated plastics refuse bag |
| CN110921099A (en) * | 2019-11-26 | 2020-03-27 | 江苏金之虹新材料有限公司 | High-barrier biodegradable self-supporting bag and preparation method thereof |
| CN113265096A (en) * | 2021-05-24 | 2021-08-17 | 中国天楹股份有限公司 | Regenerative garbage bag prepared from waste plastics and preparation method thereof |
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| CN104387646A (en) * | 2014-11-05 | 2015-03-04 | 天津辉达斯高分子环保材料有限公司 | Environment-friendly renewable plastic particle and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106317941A (en) * | 2016-08-15 | 2017-01-11 | 安徽明诚塑业有限公司 | Antimicrobial and anti-tear degradable garbage bag and preparation method thereof |
| CN107629246A (en) * | 2017-09-29 | 2018-01-26 | 安徽凤杰金属资源有限公司 | A kind of recovery method of ornamental waste or used plastics |
| CN107858858A (en) * | 2017-11-04 | 2018-03-30 | 舒城宏峰纸板有限公司 | For the buffer fillings agent in corrugated layer in high-strength corrugated board |
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| CN110921099A (en) * | 2019-11-26 | 2020-03-27 | 江苏金之虹新材料有限公司 | High-barrier biodegradable self-supporting bag and preparation method thereof |
| CN113265096A (en) * | 2021-05-24 | 2021-08-17 | 中国天楹股份有限公司 | Regenerative garbage bag prepared from waste plastics and preparation method thereof |
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