CN107353481A - A kind of preparation method of oxidative biodegradation shopping bag - Google Patents
A kind of preparation method of oxidative biodegradation shopping bag Download PDFInfo
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- CN107353481A CN107353481A CN201710703906.3A CN201710703906A CN107353481A CN 107353481 A CN107353481 A CN 107353481A CN 201710703906 A CN201710703906 A CN 201710703906A CN 107353481 A CN107353481 A CN 107353481A
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- shopping bag
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- filler
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- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 230000001590 oxidative effect Effects 0.000 title claims abstract description 35
- 238000006065 biodegradation reaction Methods 0.000 title claims abstract description 28
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 45
- 229920003023 plastic Polymers 0.000 claims abstract description 40
- 239000004033 plastic Substances 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 30
- 239000000654 additive Substances 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 230000000996 additive effect Effects 0.000 claims abstract description 25
- 238000005516 engineering process Methods 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims description 45
- 230000008018 melting Effects 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 27
- 150000002500 ions Chemical class 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000002105 nanoparticle Substances 0.000 claims description 14
- -1 polypropylene Polymers 0.000 claims description 14
- 238000000071 blow moulding Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000002985 plastic film Substances 0.000 claims description 9
- 229920006255 plastic film Polymers 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010669 acid-base reaction Methods 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 7
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 30
- 239000000047 product Substances 0.000 abstract description 29
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 239000002699 waste material Substances 0.000 abstract description 15
- 238000006731 degradation reaction Methods 0.000 abstract description 12
- 229920000642 polymer Polymers 0.000 abstract description 10
- 239000002361 compost Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000001473 noxious effect Effects 0.000 abstract description 7
- 230000035764 nutrition Effects 0.000 abstract description 7
- 235000016709 nutrition Nutrition 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 7
- 239000013589 supplement Substances 0.000 abstract description 7
- 230000003413 degradative effect Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 5
- 229920000704 biodegradable plastic Polymers 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000029087 digestion Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012668 chain scission Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
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- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
- B31B70/66—Uniting opposed surfaces or edges; Taping by applying heat or pressure by high-frequency electric heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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- B31B70/00—Making flexible containers, e.g. envelopes or bags
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- B31B70/88—Printing; Embossing
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- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
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- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/20—Oxides; Hydroxides
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Abstract
The invention belongs to degradative plastics technical field, and in particular to a kind of preparation method of oxidative biodegradation shopping bag, including following material component：Resin additive, degradable master batch and filler, the mass percent of described material component are：Resin additive 87 96%, degradable master batch 3.0 10% and filler 1.0 3.0%；Preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；Noxious material is not produced in production, storage, use and degradation process；The original performance of product is not influenceed；Productivity ratio is improved, especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material use conventional material and natural modified dose；With competing product or directly compared with biodegradable product, energy input is minimum, because other products high energy consumption reaches its 3 times；Polymer is used less, ensures natural resources；Reduce waste material；In compost, help to supplement nutrition, do not influence useful value humous.
Description
Technical field
The invention belongs to degradative plastics technical field, and in particular to a kind of preparation method of oxidative biodegradation shopping bag.
Background technology
The shopping bag of the offers such as supermarket, market, country fair is essentially all using polystyrene, polyethylene, polypropylene
It is made Deng polymeric material, because they are difficult to degrade, ecological environment is done great damage, threatens the sky of human survival
Between, people are referred to as " white pollution ".Therefore, general office of State Council of the People's Republic of China issues《Plastics are used on limitation production and sales
The notice of shopping bag》.According to notice, in view of shopping bag turn into " white pollution " main source, from now on the various regions People's Government,
Ministries and commissions etc. should forbid producing, selling and uying super-thin plastic shopping bag and will carry out plastic shopping bag Paid Use System.From
From 1 day June in 2008, it is paid to carry out plastic shopping bag in the commodity retail place such as all supermarkets, market, country fair
Land use reform, plastic shopping bag must not be provided free without exception.Although paid utilization limits a number of shopping bag, do shopping
The pollution problem that bag is brought still is not solved at all.
These plastic package materials are often arbitrarily abandoned after use, and substantial amounts of non-biodegradable plastics cause to environment
Serious pollution（It is referred to as " white pollution "）, in recent years, global " white pollution " situation is increasingly serious, becomes after " industry
The another pollution source for having a strong impact on people's quality of life after the three wastes ".
Today's society pursues low-carbon and low stain life style, and due to increased population, the demand of shopping bag is also increasing,
In view of a large amount of pollutions can be caused, Environmental-protecting type shopping bags have been enabled now.
Oxidized-biodegradable plastic refers to that the properties of its product meet requirement, the performance under unrelated, heat effect
It is constant, and discarded rear regular period interior energy is degraded into the plastics of the material of environmental sound.
Oxidized-biodegradable plastic has following features：1. shape is wholly absent after plastic degradation；2. the parent of soil is not influenceed
Water-bound；3. catabolite is nontoxic, or can be degraded by microorganisms, the micromolecular compound of plant absorption metabolism, such as H20、CO2、
Small molecule Organic Alcohol and acid（ROH、RCOOH）Deng.
The content of the invention
Insufficient present in background technology in order to overcome, the present invention proposes a kind of preparation side of oxidative biodegradation shopping bag
Method, shopping bag prepared by the present invention have preferable degradation effect, and the improvement in formulation content, enable to what is prepared
Shopping bag is degradable, and environmental pollution is smaller.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 165-185 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 165-175
℃；
A4, blown film：
Plastic sheeting is blow molded at 160-170 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
Further, the mass percent of resin additive, degradable master batch and filler is：Resin additive 87-96%, drop
Solve masterbatch 3.0-10% and filler 1.0-3.0%.
Further, described resin additive be low density polyethylene (LDPE), LLDPE, high density polyethylene (HDPE),
One or more of mixtures in polypropylene, ethene-vinyl acetate copolymerization, pearl cotton.
Further, described filler is TiO2。
Further, the preparation technology of described degradable master batch is：
B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound
Nano-particle is prepared into by nanometer technology；
B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion
Add central ion or atom and form complex；
B3, using plastic raw materials as carrier, squeezed after the step B2 complexs prepared are mixed with plastic raw materials by twin-screw
Go out machine and carry out extruding pelletization.
Further, degradable master batch is the blend of complex and plastic raw materials, and the weight ratio of complex and plastic raw materials is
1:1。
The degradable master batch mechanism of action：In compost environment, existing temperature and oxygen can initiating additive attack polymer
Carbochain is so that molecular breakdown, and then this causes：1. direct biodegradable component is by microbial digestion.2. polymer chain scission,
Surface is changed into hydrophily, helps microbial digestion.3. polymer fragment is by microbial digestion into H2O、CO2And humus.
Compared with prior art, the present invention one of at least has the advantages that：
1. the oxidized-biodegradable plastic of the present invention adds degradable master batch raw material group according to the characteristic of natural environment in formula
Part, after enabling to oxidized-biodegradable plastic discarded, under natural environment, you can into oxidative degradation, biodegradable two
It is final degradable during individual；
2. by adding degradable master batch in formula, polyethylene, polypropylene and polystyrene etc. can be made to start in the time of setting
Oxidation-biodegradation, reach degradable in 24 months in the case where abandoning field or landfill；
3. preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；Production,
Noxious material is not produced in storage, use and degradation process（Such as methane）；The original performance of product is not influenceed；Improve productivity ratio,
Especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material using conventional material and
Natural modified dose；With competing product or directly biodegradable product compared to the energy put into it is minimum because other products high energy consumption reach its 3
Times；Polymer is used less, ensures natural resources；Reduce waste material（Weight only accounts for the 10%-20% of original weight amount, and volume declines more）；
In compost, help to supplement nutrition, do not influence useful value humous.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the preferred embodiments of the present invention are entered
Row detailed description, to facilitate the technical staff to understand.
Embodiment 1
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 165 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 165 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 160 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
Preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；In life
Noxious material is not produced in production, storage, use and degradation process（Such as methane）；The original performance of product is not influenceed；Improve production
Rate, especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material use conventional material
And natural modified dose；With competing product or directly biodegradable product compared to the energy put into it is minimum because other products high energy consumption reach its 3
Times；Polymer is used less, ensures natural resources；Reduce waste material（Weight only accounts for the 10%-20% of original weight amount, and volume declines more）；
In compost, help to supplement nutrition, do not influence useful value humous.
Embodiment 2
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 175 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 170 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 165 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
Preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；In life
Noxious material is not produced in production, storage, use and degradation process（Such as methane）；The original performance of product is not influenceed；Improve production
Rate, especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material use conventional material
And natural modified dose；With competing product or directly biodegradable product compared to the energy put into it is minimum because other products high energy consumption reach its 3
Times；Polymer is used less, ensures natural resources；Reduce waste material（Weight only accounts for the 10%-20% of original weight amount, and volume declines more）；
In compost, help to supplement nutrition, do not influence useful value humous.
Embodiment 3
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 185 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 175 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 170 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
Preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；In life
Noxious material is not produced in production, storage, use and degradation process（Such as methane）；The original performance of product is not influenceed；Improve production
Rate, especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material use conventional material
And natural modified dose；With competing product or directly biodegradable product compared to the energy put into it is minimum because other products high energy consumption reach its 3
Times；Polymer is used less, ensures natural resources；Reduce waste material（Weight only accounts for the 10%-20% of original weight amount, and volume declines more）；
In compost, help to supplement nutrition, do not influence useful value humous.
Embodiment 4
On the basis of embodiment 1-3, the former mass percent of resin additive, degradable master batch and filler is：Resin adds
Agent 87%, degradable master batch 10% and filler 3.0%, resin additive, degradable master batch and filler rational proportion enable to
The oxidative biodegradation shopping bag degradation rate of preparation is higher.
Embodiment 5
On the basis of embodiment 1-3, the former mass percent of resin additive, degradable master batch and filler is：Resin adds
Agent 96%, degradable master batch 3.0% and filler 1.0%, resin additive, degradable master batch and filler rational proportion enable to
The oxidative biodegradation shopping bag degradation rate of preparation is higher.
Embodiment 6
On the basis of embodiment 1-3, the former mass percent of resin additive, degradable master batch and filler is：Resin adds
Agent 91%, degradable master batch 7% and filler 2%, resin additive, degradable master batch and filler rational proportion enable to prepare
Oxidative biodegradation shopping bag degradation rate it is higher.
Embodiment 7
On the basis of embodiment 1-6, described resin additive is low density polyethylene (LDPE), LLDPE, highly dense
The one or more of mixtures spent in polyethylene, polypropylene, ethene-vinyl acetate copolymerization, pearl cotton, resin additive
Selection, the plasticity of the shopping bag of production can be increased.
Embodiment 8
On the basis of embodiment 1-7, described filler is TiO2, different according to the color of preparation, it may be selected in inserts
He.
Embodiment 9
On the basis of embodiment 1-8, the preparation technology of described degradable master batch is：
B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound
Nano-particle is prepared into by nanometer technology；
B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion
Add central ion or atom and form complex；
B3, using plastic raw materials as carrier, by step 2）The complex of preparation is squeezed after being mixed with plastic raw materials by twin-screw
Go out machine and carry out extruding pelletization.
Degradable master batch is added, polyethylene, polypropylene and polystyrene etc. can be made to start oxidation-biology drop in the time of setting
Solution, reach degradable in 24 months in the case where abandoning field or landfill.
Embodiment 10
On the basis of embodiment 1-9, degradable master batch is the blend of complex and plastic raw materials, complex and plastic raw materials
Weight ratio is 1:1, using complex by the use of plastic raw materials as carrier, the stability of degradable master batch can be increased and preparing shopping bag
When the uniformity.
Embodiment 11
On the basis of embodiment 1-10, a kind of oxidative biodegradation shopping bag, including following material component：Resin additive,
Degradable master batch and filler,
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 165 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 165 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 160 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
The preparation technology of above-described degradable master batch is：
B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound
Nano-particle is prepared into by nanometer technology；
B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion
Add central ion or atom and form complex；
B3, using plastic raw materials as carrier, squeezed after the step B2 complexs prepared are mixed with plastic raw materials by twin-screw
Go out machine and carry out extruding pelletization.
Degradable master batch is added, polyethylene, polypropylene and polystyrene etc. can be made to start oxidation-biology drop in the time of setting
Solution, reach degradable in 24 months in the case where abandoning field or landfill.
Embodiment 14
On the basis of embodiment 1-12, a kind of oxidative biodegradation shopping bag, including following materials in percentage by mass component：Tree
Fat additives 87%, degradable master batch 10% and filler 3.0%,
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 175 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 170 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 165 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
The preparation technology of above-described degradable master batch is：
B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound
Nano-particle is prepared into by nanometer technology；
B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion
Add central ion or atom and form complex；
B3, using plastic raw materials as carrier, squeezed after the step B2 complexs prepared are mixed with plastic raw materials by twin-screw
Go out machine and carry out extruding pelletization.
Preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；In life
Noxious material is not produced in production, storage, use and degradation process（Such as methane）；The original performance of product is not influenceed；Improve production
Rate, especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material use conventional material
And natural modified dose；With competing product or directly biodegradable product compared to the energy put into it is minimum because other products high energy consumption reach its 3
Times；Polymer is used less, ensures natural resources；Reduce waste material（Weight only accounts for the 10%-20% of original weight amount, and volume declines more）；
In compost, help to supplement nutrition, do not influence useful value humous.
Embodiment 15
On the basis of embodiment 1-12, a kind of oxidative biodegradation shopping bag, including following materials in percentage by mass component：Tree
Fat additives 96%, degradable master batch 3.0% and filler 1.0%,
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 185 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 175 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 170 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
The preparation technology of above-described degradable master batch is：
B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound
Nano-particle is prepared into by nanometer technology；
B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion
Add central ion or atom and form complex；
B3, using plastic raw materials as carrier, squeezed after the step B2 complexs prepared are mixed with plastic raw materials by twin-screw
Go out machine and carry out extruding pelletization.
Preparation technology of the present invention is simple, without changing production equipment and technique；It is recyclable, do not produce waste material；In life
Noxious material is not produced in production, storage, use and degradation process（Such as methane）；The original performance of product is not influenceed；Improve production
Rate, especially for film and articles of sheet material；Thickness can be suitably reduced in same mechanical performance；Raw material use conventional material
And natural modified dose；With competing product or directly biodegradable product compared to the energy put into it is minimum because other products high energy consumption reach its 3
Times；Polymer is used less, ensures natural resources；Reduce waste material（Weight only accounts for the 10%-20% of original weight amount, and volume declines more）；
In compost, help to supplement nutrition, do not influence useful value humous.
Embodiment 16
On the basis of embodiment 1-12, a kind of oxidative biodegradation shopping bag, including following materials in percentage by mass component：Tree
Fat additives 91%, degradable master batch 7% and filler 2%,
A kind of preparation method of oxidative biodegradation shopping bag, comprises the following steps：
A1, mixing：
Resin additive, degradable master batch and filler are well mixed；
A2, heating melting：
By step A1, it is well mixed after raw material carry out heating melting, the temperature for heating melting is 185 °C；
A3, extrusion：
The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 175 DEG C；
A4, blown film：
Plastic sheeting is blow molded at 170 DEG C using single screw rod blow moulding machine；
A5, printing：
Printed patterns on a plastic film；
A6, bag：
Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop
Solve shopping bag.
The preparation technology of above-described degradable master batch is：
B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound
Nano-particle is prepared into by nanometer technology；
B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion
Add central ion or atom and form complex；
B3, using plastic raw materials as carrier, squeezed after the step B2 complexs prepared are mixed with plastic raw materials by twin-screw
Go out machine and carry out extruding pelletization.
By adding degradable master batch in formula, polyethylene, polypropylene and polystyrene etc. can be made to be opened in the time of setting
Beginning oxidation-biodegradation, reach degradable in 24 months in the case where abandoning field or landfill.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
- A kind of 1. preparation method of oxidative biodegradation shopping bag, it is characterised in that：Comprise the following steps：A1, mixing：Resin additive, degradable master batch and filler are well mixed；A2, heating melting：Raw materials of the step A1 after well mixed is subjected to heating melting, the temperature for heating melting is 165-185 °C；A3, extrusion：The mixed melting liquid heated after melting is extruded through double screw extruder, the temperature in double screw extruder is 165-175 ℃；A4, blown film：Plastic sheeting is blow molded at 160-170 DEG C using single screw rod blow moulding machine；A5, printing：Printed patterns on a plastic film；A6, bag：Sealed by ultrasonic wave high frequency welding or hot knife heat-sealing into three sides, while unlimited interior bagging, produces oxidative biological drop Solve shopping bag.
- A kind of 2. preparation method of oxidative biodegradation shopping bag according to claim 1, it is characterised in that：Resin adds The mass percent of agent, degradable master batch and filler is：Resin additive 87-96%, degradable master batch 3.0-10% and filler 1.0-3.0%。
- A kind of 3. preparation method of oxidative biodegradation shopping bag according to claim 1, it is characterised in that：Described tree Fat additives are that low density polyethylene (LDPE), LLDPE, high density polyethylene (HDPE), polypropylene, ethene-vinyl acetate are common One or more of mixtures in poly-, pearl cotton.
- A kind of 4. preparation method of oxidative biodegradation shopping bag according to claim 1, it is characterised in that：Described fills out It is TiO to fill agent2。
- A kind of 5. preparation method of oxidative biodegradation shopping bag according to claim 1, it is characterised in that：Described drop Solution masterbatch preparation technology be：B1, with transition region metal element of titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum and silicon, magnesium, calcium metal and its compound Nano-particle is prepared into by nanometer technology；B2, the nano-particle for preparing step B1, corresponding free state ion is produced by acid-base reaction, in free state ion Add central ion or atom and form complex；B3, using plastic raw materials as carrier, squeezed after the step B2 complexs prepared are mixed with plastic raw materials by twin-screw Go out machine and carry out extruding pelletization.
- A kind of 6. preparation method of oxidative biodegradation shopping bag according to claim 5, it is characterised in that：Degradable master batch For complex and the blend of plastic raw materials, the weight ratio of complex and plastic raw materials is 1:1.
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| CN109229875A (en) * | 2018-05-04 | 2019-01-18 | 王顺明 | Disposable container containing oxidizable biodegradable material |
| CN109096709A (en) * | 2018-08-30 | 2018-12-28 | 兰州鑫银环橡塑制品有限公司 | A kind of complete biodegradable shopping bag and preparation method thereof |
| CN109233057A (en) * | 2018-08-30 | 2019-01-18 | 宁夏中原塑业科技有限公司 | A kind of environment degradable shopping bag and preparation method thereof |
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| CN116874828A (en) | 2023-10-13 |
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