CN107880656A - Paper-plastic stick shopping bag and preparation method thereof - Google Patents
Paper-plastic stick shopping bag and preparation method thereof Download PDFInfo
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- CN107880656A CN107880656A CN201711131396.3A CN201711131396A CN107880656A CN 107880656 A CN107880656 A CN 107880656A CN 201711131396 A CN201711131396 A CN 201711131396A CN 107880656 A CN107880656 A CN 107880656A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/06—Polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to paper-plastic stick field, specifically disclose a kind of paper-plastic stick shopping bag and preparation method thereof, the silane coupler that low density polyethylene (LDPE), polyurethane resin, filler, turpentine oil, vinyltrimethoxy silane, tricresyl phosphate and the trade mark are KH570 is kneaded, so that micelle is made；The micelle is added in extruder and carries out extrusion molding, paper-plastic stick shopping bag is made in processing；The paper-plastic stick shopping bag is heated and is coated on the surface of brown paper to form plastic layer, shaping so that paper-plastic stick shopping bag is made；Wherein, the filler is made by bark, straw, alginate fibre, carbon fiber, diatomite, Arizona bacilli, calcium silicates, odium stearate, titanium oxide, ferric stearate and yttrium.Each raw material sources of the paper-plastic stick shopping bag are abundant, simple and easy to get, and the paper-plastic stick shopping bag has excellent degradation property so that its is durable, environmentally friendly, suitable for widely using.
Description
Technical field
The present invention relates to paper-plastic stick arts, in particular it relates to a kind of paper-plastic stick shopping bag and preparation method thereof.
Background technology
Plastic products are rather common in daily life, such as：The plastic products such as polybag, shopping bag, plastic bottle.Such as modeling
Using frequently polybag etc. in the daily lifes such as pocket, in almost living everywhere can use obtain, but polybag to
While the life of people brings convenient, serious pollution problem is also brought to living environment.
It is well known that polybag has the advantages of protrusions such as light, mechanical performance is excellent, but it is difficult to degrade after discarding
It is a current technical problem for being badly in need of solving result in serious problem of environmental pollution.
And it is current, the preparation technology of most degradable product is complicated, and preparation cost is higher, therefore limits it and enter
One step is promoted the use of.
The content of the invention
It is an object of the invention to provide a kind of paper-plastic stick shopping bag and preparation method thereof, each original of paper-plastic stick shopping bag
Expect abundance, simple and easy to get, and the paper-plastic stick shopping bag has excellent degradation property so that its is durable, environmentally friendly, is suitable to
Widely use.
To achieve these goals, the invention provides a kind of preparation method of paper-plastic stick shopping bag, including following step
Suddenly：
By low density polyethylene (LDPE), polyurethane resin, filler, turpentine oil, vinyltrimethoxy silane, tricresyl phosphate
It is kneaded with the trade mark for KH570 silane coupler, so that micelle is made；
The micelle is added in extruder and carries out extrusion molding, the paper-plastic stick plastic sheeting is made in processing；
The paper-plastic stick is heated with plastic sheeting and is coated on the surface of brown paper to form plastic layer, shaping
So that paper-plastic stick shopping bag is made；
Wherein, the filler is by starch, straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, silicic acid
Calcium, sodium alginate, silica, ferric stearate and yttrium are made.
Paper-plastic stick shopping bag made from a kind of above-mentioned preparation method is additionally provided in the present invention.
Pass through above-mentioned technical proposal, present invention selection starch, straw, alginate fibre, carbon fiber, attapulgite, Asia
The filler of film preparation is made in calcium phosphate, calcium silicates, sodium alginate, silica, ferric stearate and yttrium；And first by starch, plant
The components such as stalk, alginate fibre, carbon fiber and attapulgite add Arizona bacilli, calcium silicates, sea after carrying out the first heat treatment
The components such as mosanom, silica, ferric stearate and yttrium, and then be further heat-treated and to be sufficiently mixed to improve between each component
Mutual synergy between each raw material.In above-mentioned technical proposal, add starch, straw, alginate fibre, carbon fiber and
The components such as attapulgite also assures that it has excellent mechanical performance while the degradation rate of modeling film is improved；It is sub- in addition
The components such as calcium phosphate, calcium silicates, sodium alginate, silica, ferric stearate and yttrium further increase the degradable of plastic sheeting
Performance so that be made plastic sheeting and its paper-plastic stick product environmental protection, being capable of extensive use.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The invention provides a kind of preparation method of paper-plastic stick shopping bag, including：
By low density polyethylene (LDPE), polyurethane resin, filler, turpentine oil, vinyltrimethoxy silane, tricresyl phosphate
It is kneaded with the trade mark for KH570 silane coupler, so that micelle is made；
The micelle is added in extruder and carries out extrusion molding, the paper-plastic stick plastic sheeting is made in processing；
The paper-plastic stick is heated with plastic sheeting and is coated on the surface of brown paper to form plastic layer, shaping so that paper is made
Mould compound shopping bag；
Wherein, the filler is by starch, straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, silicic acid
Calcium, sodium alginate, silica, ferric stearate and yttrium are made.
In above-mentioned technical proposal, each section of operating temperature of extruder can select in wide scope during work, still
In order to improve the mechanical performance of the operating efficiency of extrusion and obtained film, it is preferred that the extruder includes what is be sequentially connected
Feeding section, stage casing and extruder head, and the operating temperature of the extruder is：90-110 DEG C of feeding section, 100-120 DEG C of stage casing,
130-170 DEG C of extruder head.
In above-mentioned technical proposal, compounding conditions can select in wide scope, but in order to improve the work of extrusion effect
The mechanical performance of rate and obtained film, it is preferred that the mixing at least meets following condition：Temperature is 155-175 DEG C, and/
Or the time is 2-4h.
In above-mentioned technical proposal, the processing includes inflation, traction, printing and the winding carried out successively；In order to further
The mechanical performance of film made from raising, it is preferable that blow-up ratio is in 4-5, and/or the procedure of processing in the procedure of processing
Draw ratio is 6-7.
In above-mentioned technical proposal, the specific dosage of each raw material can select in wide scope, but in order to improve film
Readily degradable energy and mechanical performance, it is preferable that the low density polyethylene (LDPE), polyurethane resin, filler, turpentine oil, vinyl
The weight ratio for the silane coupler that trimethoxy silane, tricresyl phosphate and the trade mark are KH570 is 100：20-30：10-15：
5-8：1-5：3-5：3-10.
In above-mentioned technical proposal, in order to further improve the degradation property of paper-plastic stick shopping bag and mechanical performance, preferably
Ground, the filler are made by following methods：
Made after starch, straw, alginate fibre, carbon fiber and attapulgite are carried out into the first mixing, the first heat treatment
Obtain mixture M 1；
Arizona bacilli, calcium silicates, sodium alginate, silica, ferric stearate and yttrium are added in the mixture M 1
Row second mixes, second heat treatment after, cool drying, ground sieve series obtain the filler；
Wherein, the temperature of second heat treatment is higher than 55-65 DEG C of the temperature of the described first heat treatment.
In above-mentioned technical proposal, the temperature of first heat treatment can select in wide scope, but in order to improve
The effect of heat treatment and then improve promotes the interaction between each raw material, it is preferable that the temperature of first heat treatment is
100-110℃。
In above-mentioned technical proposal, first heat treatment, the time of the second heat treatment can select in wide scope,
But in order to improve the efficiency of obtained first heat treatment, the second heat treatment, it is preferable that the time of first heat treatment be for
8-12h；
The time of second heat treatment is 2-4h；
Equally, in above-mentioned technical proposal, first mixing, the condition of the second mixing can select in wide scope,
But in order to improve the effect and efficiency of first mixing, the second mixing, it is preferable that what first mixing, second mixed
Condition is each stood alone as：Rotating speed is 3000-5000rpm, time 1-1.5h.
In addition, in order to improve the readily degradable energy of obtained film, it is preferable that the straw is Barley straw, water
One or more in rice straw, maize straw and rape stalk；
Equally, the starch is tapioca, sweet potato starch, starch from sweet potato, farina, wheat kind of starch and corn
One or more in starch.
In above-mentioned technical proposal, the specific dosage of each raw material can select in wide scope, but be somebody's turn to do to improve to use
The readily degradable energy of paper-plastic stick film made from filler, it is preferable that the starch, straw, alginate fibre, carbon are fine
Dimension, attapulgite, Arizona bacilli, calcium silicates, sodium alginate, silica, the weight ratio of ferric stearate and yttrium are 100：30-40：
5-10：5-15：10-20：3-5：1-3：1-3：2-4：3-6：0.5-1.5.
Paper-plastic stick shopping bag made from a kind of above-mentioned preparation method is additionally provided in the present invention.
The present invention will be described in detail by way of examples below.
Preparation example 1
Tapioca, Barley straw, alginate fibre, carbon fiber and attapulgite are stirred into 1.5h at 3,000 rpm, and
Mixture M 1 is made in 12h after 100 DEG C of heat treatments；
Arizona bacilli, calcium silicates, sodium alginate, silica, ferric stearate and yttrium are added in the mixture M 1,
After stirring 1h under 4000rpm, cool drying, ground sieve series obtain the filler after 155 DEG C of heat treatment 2h, are denoted as W1；
Wherein, tapioca, Barley straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, calcium silicates, marine alga
Sour sodium, silica, the weight ratio of ferric stearate and yttrium are 100：30：5：5：10：3：1：1：2：3：0.5.
Preparation example 2
Wheat kind of starch, rice straw, alginate fibre, carbon fiber and attapulgite are stirred into 1.2h at 3,000 rpm, and
Mixture M 1 is made in 10h after 110 DEG C of heat treatments；
Arizona bacilli, calcium silicates, sodium alginate, silica, ferric stearate and yttrium are added in the mixture M 1,
After stirring 1h under 5000rpm, cool drying, ground sieve series obtain the filler after 170 DEG C of heat treatment 3h, are denoted as W2；
Wherein, wheat kind of starch, rice straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, calcium silicates, marine alga
Sour sodium, silica, the weight ratio of ferric stearate and yttrium are 100：35：8：10：15：4：2：2：3：4：1.
Preparation example 3
Sweet potato starch, maize straw, alginate fibre, carbon fiber and attapulgite are stirred into 1.5h at 3,000 rpm, and
Mixture M 1 is made in 8h after 105 DEG C of heat treatments；
Arizona bacilli, calcium silicates, sodium alginate, silica, ferric stearate and yttrium are added in the mixture M 1,
After stirring 1h under 5000rpm, cool drying, ground sieve series obtain the filler after 170 DEG C of heat treatment 4h, are denoted as W3；
Wherein, sweet potato starch, maize straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, calcium silicates, marine alga
Sour sodium, silica, the weight ratio of ferric stearate and yttrium are 100：40：10：15：20：5：3：3：4：6：1.5.
Preparation example 4
Filler is made according to the method for preparation example 1, is denoted as W4；The difference is that the second heat treatment is not carried out, directly by cassava
Starch, Barley straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, calcium silicates, sodium alginate, silica, stearic acid
Mixture M 1 is made in 14h after iron and yttrium are heat-treated after being mixed together at 155 DEG C.
Preparation example 5
Filler is made according to the method for preparation example 1, is denoted as W5；The difference is that the first heat treatment is not carried out, directly by cassava
Starch, Barley straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, calcium silicates, sodium alginate, silica, stearic acid
Mixture M 1 is made in 14h after iron and yttrium are heat-treated after being mixed together at 170 DEG C.
Preparation example 6
Filler is made according to the method for preparation example 1, is denoted as W6；The difference is that Barley straw is not added in raw material.
Preparation example 7
Filler is made according to the method for preparation example 1, is denoted as W7, the difference is that not adding alginate fibre in raw material.
Preparation example 8
Filler is made according to the method for preparation example 1, is denoted as W8, the difference is that not adding tapioca in raw material.
Preparation example 9
Filler is made according to the method for preparation example 1, is denoted as W9, the difference is that not adding Arizona bacilli in raw material.
Preparation example 10
Filler is made according to the method for preparation example 1, is denoted as W10, the difference is that not adding ferric stearate in raw material.
Preparation example 11
Filler is made according to the method for preparation example 1, is denoted as W11, the difference is that not adding yttrium in raw material.
Embodiment 1
By low density polyethylene (LDPE), polyurethane resin, filler W1, turpentine oil, vinyltrimethoxy silane, tricresol phosphate
Ester and the trade mark are KH570 silane coupler according to 100：20：10：5：1：3：3 weight ratio, 4h is kneaded to make at 155 DEG C
Obtain micelle；
The micelle is added in extruder and carries out extrusion molding, inflation, traction, printing and the obtained paper-plastic stick of winding
With plastic sheeting, by the paper-plastic stick heated with plastic sheeting and be coated on the surface of brown paper with formed plastic layer,
Shaping is with obtained paper-plastic stick shopping bag；It is denoted as A1；
Wherein, the operating temperature of the extruder is：90 DEG C of feeding section, 100 DEG C of stage casing, 130 DEG C of extruder head；
Blow-up ratio is 4 in the procedure of processing, and draw ratio is 6 in the procedure of processing.
The percentage that the raising of A1 degradation speeds is measured according to the method for detection example 1 is 65%.
Embodiment 2
By low density polyethylene (LDPE), polyurethane resin, filler W2, turpentine oil, vinyltrimethoxy silane, tricresol phosphate
Ester and the trade mark are KH570 silane coupler according to 100：25：12：6：3：4：8 weight ratio, 3h is kneaded to make at 160 DEG C
Obtain micelle；
The micelle is added in extruder and carries out extrusion molding, inflation, traction, printing and the obtained paper-plastic stick of winding
With plastic sheeting, by the paper-plastic stick heated with plastic sheeting and be coated on the surface of brown paper with formed plastic layer,
Shaping is with obtained paper-plastic stick shopping bag；It is denoted as A2；
Wherein, the operating temperature of the extruder is：100 DEG C of feeding section, 110 DEG C of stage casing, 150 DEG C of extruder head；
Blow-up ratio is 5 in the procedure of processing, and draw ratio is 7 in the procedure of processing.
The percentage that the raising of A2 degradation speeds is measured according to the method for detection example 1 is 64%.
Embodiment 3
By low density polyethylene (LDPE), polyurethane resin, filler W3, turpentine oil, vinyltrimethoxy silane, tricresol phosphate
Ester and the trade mark are KH570 silane coupler according to 100：30：15：8：5：5：10 weight ratio, 2h is kneaded to make at 175 DEG C
Obtain micelle；
The micelle is added in extruder and carries out extrusion molding, inflation, traction, printing and the obtained paper-plastic stick of winding
With plastic sheeting, by the paper-plastic stick heated with plastic sheeting and be coated on the surface of brown paper with formed plastic layer,
Shaping is with obtained paper-plastic stick shopping bag；It is denoted as A3；
Wherein, the operating temperature of the extruder is：110 DEG C of feeding section, 120 DEG C of stage casing, 170 DEG C of extruder head；
Blow-up ratio is 5 in the procedure of processing, and draw ratio is 7 in the procedure of processing.
The percentage that the raising of A3 degradation speeds is measured according to the method for detection example 1 is 64%.
Embodiment 4
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as A4；The difference is that used filler is
W4。
The percentage that the raising of A4 degradation speeds is measured according to the method for detection example 1 is 55%.
Embodiment 5
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as A5；The difference is that used filler is
W5。
The percentage that the raising of A5 degradation speeds is measured according to the method for detection example 1 is 51%.
Comparative example 1
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as D1；The difference is that used filler is
W6。
The percentage that the raising of D1 degradation speeds is measured according to the method for detection example 1 is 41%.
Comparative example 2
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as D2；The difference is that used filler is
W7。
The percentage that the raising of D2 degradation speeds is measured according to the method for detection example 1 is 40%.
Comparative example 3
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as D3；The difference is that used filler is
W8。
The percentage that the raising of D3 degradation speeds is measured according to the method for detection example 1 is 33%.
Comparative example 4
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as D4；The difference is that used filler is
W9。
The percentage that the raising of D4 degradation speeds is measured according to the method for detection example 1 is 32%.
Comparative example 5
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as D5；The difference is that used filler is
W10。
The percentage that the raising of D5 degradation speeds is measured according to the method for detection example 1 is 32%.
Comparative example 6
The paper-plastic stick shopping bag is prepared Following the procedure of Example 1, is denoted as D6；The difference is that used filler is
W11。
The percentage that the raising of D6 degradation speeds is measured according to the method for detection example 1 is 30%.
Detect example 1
By paper-plastic stick shopping bag A1-A5 and D1-D6 obtained above, it is tested according to ASTM-DT7475-11 method
Biodegradation Times, and the percentage (%) improved compared to more traditional polyvinyl chloride plastic pocket degradation speed.
Learnt according to testing result：The paper-plastic stick shopping bag A1-A5 provided in the present invention is respectively provided with excellent biology drop
Performance is solved, A1-A3 at least improves more than 60% compared to the degradation speed of more traditional polyvinyl chloride plastic pocket, and A4-A5
More than 50% can be reached；Optimal degradation speed, which improves, reaches 66%.In addition, the degradation speed of plastic sheeting made of A1-A3
It is better than plastic sheeting made from A4-A5.Illustrate to provide in the present invention is preferably carried out mode and can more effectively improve modeling
The degradation speed of material.
In addition, the degradation speed that plastic sheeting made from filler is made in comparative example 1-6 compares more traditional polyvinyl chloride plastic
Pocket degradation speed, which improves, is below 40%, i.e., substantially be not as high as A1-A5 degradation rate.The skill provided in the present invention is provided
Straw, alginate fibre, tapioca, Arizona bacilli, ferric stearate and yttrium for being added in art scheme etc. can effectively improve
The degradation speed of plastic products；And the mutual synergy between each raw material can further improve the drop of obtained plastic products
Solve speed.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. preparation method of paper-plastic stick shopping bag, it is characterised in that including：By low density polyethylene (LDPE), polyurethane resin, filler, turpentine oil, vinyltrimethoxy silane, tricresyl phosphate winning Number it is kneaded for KH570 silane coupler, so that micelle is made；The micelle is added in extruder and carries out extrusion molding, the paper-plastic stick plastic sheeting is made in processing；The paper-plastic stick is heated with plastic sheeting and is coated on the surface of brown paper to form plastic layer, shaping to make Obtain paper-plastic stick shopping bag；Wherein, the filler is by starch, straw, alginate fibre, carbon fiber, attapulgite, Arizona bacilli, calcium silicates, sea Mosanom, silica, ferric stearate and yttrium are made.
- 2. preparation method according to claim 1, wherein, feeding section that the extruder includes being sequentially connected, stage casing and Extruder head, and the operating temperature of the extruder is：90-110 DEG C of feeding section, 100-120 DEG C of stage casing, extruder head 130- 170℃。
- 3. preparation method according to claim 1, wherein, the mixing at least meets following condition：Temperature is 155-175 DEG C, and/or the time is 2-4h.
- 4. according to the preparation method described in any one in claim 1-3, wherein, what the processing included carrying out successively blows Swollen, traction, printing and winding；Blow-up ratio is that draw ratio is 6-7 in 4-5, and/or the procedure of processing in the procedure of processing.
- 5. preparation method according to claim 1, wherein, the low density polyethylene (LDPE), polyurethane resin, filler, turpentine The weight ratio for the silane coupler that oil, vinyltrimethoxy silane, tricresyl phosphate and the trade mark are KH570 is 100：20- 30：10-15：5-8：1-5：3-5：3-10.
- 6. preparation method according to claim 1, wherein, the filler is made by following methods：It is made mixed after starch, straw, alginate fibre, carbon fiber and attapulgite are carried out into the first mixing, the first heat treatment Compound M1；Arizona bacilli, calcium silicates, sodium alginate, silica, ferric stearate and yttrium are added in the mixture M 1 and carry out Two mixing, second heat treatment after, cool drying, ground sieve series obtain the filler；Wherein, the temperature of second heat treatment is higher than 55-65 DEG C of the temperature of the described first heat treatment.
- 7. preparation method according to claim 6, the temperature of first heat treatment is 100-110 DEG C；The time of first heat treatment is 8-12h；The time of second heat treatment is 2-4h；First mixing, the condition of the second mixing are each stood alone as：Rotating speed is 3000-5000rpm, time 1-1.5h.
- 8. preparation method according to claim 6, wherein, the straw is Barley straw, rice straw, corn stalk One or more in stalk and rape stalk；The starch is one in tapioca, sweet potato starch, starch from sweet potato, farina, wheat kind of starch and cornstarch Kind is a variety of.
- 9. preparation method according to claim 6, wherein, the starch, straw, alginate fibre, carbon fiber, bumps Rod soil, Arizona bacilli, calcium silicates, sodium alginate, silica, the weight ratio of ferric stearate and yttrium are 100：30-40：5-10：5- 15：10-20：3-5：1-3：1-3：2-4：3-6：0.5-1.5.
- 10. paper-plastic stick shopping bag made from the preparation method in a kind of 1-9 as claim described in any one.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217534A (en) * | 2017-06-22 | 2017-09-29 | 芜湖蓝天工程塑胶有限公司 | Train paper-plastic stick refuse bag and preparation method thereof |
| CN107236176A (en) * | 2017-07-20 | 2017-10-10 | 芜湖乾凯材料科技有限公司 | A kind of prepared food preservative film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217534A (en) * | 2017-06-22 | 2017-09-29 | 芜湖蓝天工程塑胶有限公司 | Train paper-plastic stick refuse bag and preparation method thereof |
| CN107236176A (en) * | 2017-07-20 | 2017-10-10 | 芜湖乾凯材料科技有限公司 | A kind of prepared food preservative film and preparation method thereof |
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Application publication date: 20180406 |