CN108276744A - A kind of new bio degradable material film and preparation method thereof - Google Patents
A kind of new bio degradable material film and preparation method thereof Download PDFInfo
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- CN108276744A CN108276744A CN201810116907.2A CN201810116907A CN108276744A CN 108276744 A CN108276744 A CN 108276744A CN 201810116907 A CN201810116907 A CN 201810116907A CN 108276744 A CN108276744 A CN 108276744A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2431/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
- C08J2431/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
- C08J2431/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Abstract
The present invention discloses a kind of new bio degradable material film and preparation method thereof, which includes following raw materials：A material 20 50%, B material 40 60%, PBAT thermoplastic biodegradables plastics 20 30%, 2505 polyvinyl acetate 5 8% of VINNEX, 2504 polyvinyl acetate 3 8% of VINNEX；The A material include following raw materials：PBAT thermoplastic biodegradables plastics 40 60%, PLA 30 50%, inorganic filler 8 15%；The B material include following raw materials：PBAT thermoplastic biodegradables plastics 40 60%, starch master batch %40 60%, wherein the starch master batch includes following raw materials：Starch 60 70%, coupling agent 1 3%, paraffin 1 3%, glycerine.
Description
Technical field：
The present invention relates to high polymer material technology domain, a kind of new bio degradable material film and preparation method thereof is refered in particular to.
Background technology：
In packaging material field, PBAT (poly- hexanedioic acid/butylene terephthalate) is the life of most business development value
Biodegradable plastics close to 60% be PBAT are each of base material currently, in packaging group biodegradable plastic currently in use
Class modified material.Great market demand causes countries in the world to fall over each other research and development, investment, accelerates its commercialization process.Have no to doubt
It asks, biodegradable industry is the strategic industry of a tool high development and relationship environmental protection, emission reduction.
PBAT has superior physical characteristic and a degradability, but common PBAT is there is also elongation at break is low, cost
It is excessively high, the defects of degradation speed is too slow, affect its acceptance in the market.
In view of this, the present inventor proposes following technical scheme.
Invention content：
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of new bio degradable material film and its systems
Preparation Method.
In order to solve the above-mentioned technical problem, present invention employs the first following technical solutions：New bio degradation material
Expect that film includes following raw materials：A expects that 20-50%, B expect 40-60%, PBAT thermoplastic biodegradable plastics
2,505 2504 polyvinyl acetate 3-8% of polyvinyl acetate 5-8%, VINNEX of 20-30%, VINNEX；The A expects
There are following raw materials：PBAT thermoplastic biodegradables plastics 40-60%, PLA 30-50%, inorganic filler 8-
15%；The B material include following raw materials：PBAT thermoplastic biodegradable plastics 40-60%, starch are female
Grain %40-60%, wherein the starch master batch includes following raw materials：Starch 60-70%, coupling agent 1-
3%, paraffin 1-3%, glycerine 25-30%, citric acid 0.1-0.3% and epoxidized soybean oil 2-5%.
Furthermore, in above-mentioned technical proposal, the A material include following raw materials：PBAT heat
Plasticity biodegradable plastic 40-50%, PLA 40-50%, inorganic filler 10-15%；B material include it is following by weight
The raw material of proportioning：PBAT thermoplastic biodegradable plastics 50-60%, starch master batch %40-50%, wherein the starch master batch packet
Following raw materials are included：Starch 65-70%, coupling agent 2-3%, paraffin 2-3%, glycerine 25-28%, lemon
Sour 0.1-0.2% and epoxidized soybean oil 2-3%.
Furthermore, in above-mentioned technical proposal, the new bio degradable material film include it is following by weight ratio
Raw material：The A expects 25%, B material 35%, PBAT thermoplastic biodegradables plastics 30%, 2505 polyvinyl acetate of VINNEX
2504 polyvinyl acetate 5% of 5%, VINNEX；The A material include following raw materials：PBAT thermoplasticity
Biodegradable plastic 50%, PLA 40%, inorganic filler 10%；The B material include following raw materials：
PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch includes following to match by weight
The raw material of ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
Furthermore, in above-mentioned technical proposal, the new bio degradable material film include it is following by weight ratio
Raw material：The A expects 20%, B material 37%, PBAT thermoplastic biodegradables plastics 30%, 2505 polyvinyl acetate of VINNEX
2504 polyvinyl acetate 5% of 8%, VINNEX；The A material include following raw materials：PBAT thermoplasticity
Biodegradable plastic 50%, PLA 40%, inorganic filler 10%；The B material include following raw materials：
PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch includes following to match by weight
The raw material of ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
Furthermore, in above-mentioned technical proposal, the new bio degradable material film include it is following by weight ratio
Raw material：The A expects 25%, B material 37%, PBAT thermoplastic biodegradables plastics 25%, 2505 polyvinyl acetate of VINNEX
5%, 2504 polyvinyl acetate 8% of VINNEX；The A material include following raw materials：PBAT thermoplasticity
Biodegradable plastic 50%, PLA 40%, inorganic filler 10%；The B material include following raw materials：
PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch includes following to match by weight
The raw material of ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
Furthermore, in above-mentioned technical proposal, the inorganic filler is montmorillonite, calcium carbonate or talcum powder.
Furthermore, in above-mentioned technical proposal, the coupling agent is titante coupling agent.
In order to solve the above-mentioned technical problem, present invention employs following second of technical solutions：New bio degradation material
The preparation method of material film includes the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA
40%, inorganic filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be dropped by B material obtained and PBAT thermoplasticity biologies in step S002
It solves after plastics, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX are added in high speed mixer and carries out
Uniformly mixing, wherein its proportioning is：The A expects 25%, B material 35%, PBAT thermoplastic biodegradables plastics 30%, VINNEX
2505 polyvinyl acetate 5%, 2504 polyvinyl acetate 5% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, double spiral shells are set
Each warm area of bar extruder, operation temperature are 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine, each warm area operation temperature of inflation film manufacturing machine by blown film
It is 100~180 DEG C, finally obtains new bio degradable material film.
In order to solve the above-mentioned technical problem, present invention employs the third following technical solutions：New bio degradation material
The preparation method of material film includes the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA
40%, inorganic filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be dropped by B material obtained and PBAT thermoplasticity biologies in step S002
It solves after plastics, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX are added in high speed mixer and carries out
Uniformly mixing, wherein its proportioning is：The A expects 20%, B material 37%, PBAT thermoplastic biodegradables plastics 30%, VINNEX
2505 polyvinyl acetate 8%, 2504 polyvinyl acetate 5% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, double spiral shells are set
Each warm area of bar extruder, operation temperature are 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine, each warm area operation temperature of inflation film manufacturing machine by blown film
It is 100~180 DEG C, finally obtains new bio degradable material film.
In order to solve the above-mentioned technical problem, present invention employs following 4th kind of technical solutions：New bio degradation material
The preparation method of material film includes the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA
40%, inorganic filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be dropped by B material obtained and PBAT thermoplasticity biologies in step S002
It solves after plastics, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX are added in high speed mixer and carries out
Uniformly mixing, wherein its proportioning is：The A expects 25%, B material 37%, PBAT thermoplastic biodegradables plastics 25%, VINNEX
2505 polyvinyl acetate 5%, 2504 polyvinyl acetate 8% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, double spiral shells are set
Each warm area of bar extruder, operation temperature are 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine, each warm area operation temperature of inflation film manufacturing machine by blown film
It is 100~180 DEG C, finally obtains new bio degradable material film.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
1, new bio degradable material film proportioning of the present invention is reasonable, can improve degradation speed, and barrier property is good, and
Enhance the toughness and softness of product by adding 2505 polyvinyl acetate of VINNEX, adds 2504 poly- acetic acid of VINNEX
Vinyl acetate can improve product compatibility and heat sealability, after film is made, longitudinal tensile strain rate 200.22%, and intensity
23.27MPa, cross direction elongation 287.12%, intensity 18.49MPa, and it is more soft, toughness higher, anti-puncture effect is more
Ideal, and can ensure the quality and service life of product.
2, it is first fabricated to starch master batch, PBAT is free of in starch master batch, it is ensured that starch master batch being capable of mass production and a large amount of
Storage, starch master batch is non-aging, and shelf life is longer.
3, it is carried out in total powder manufacturing process using starch master batch and PBAT, temperature change is more stable, in operation can
Enough temperature for more stably controlling technique.
4, it is first fabricated to starch master batch and carries out total powder with PBAT again, better peptizaiton can be played, total powder effect is more
It is good, and evenly, plasticizing effect is more preferable for powder altogether, is more convenient.
5, the damage to particle can be reduced, it is ensured that equipment can normal operation, do not influence the normal service life of equipment.
Specific implementation mode：
With reference to specific embodiment, the present invention is further described.
A kind of new bio degradable material film of the present invention comprising following raw materials：A expects 20-
50%, B expect 40-60%, 2505 polyvinyl acetate 5-8% of PBAT thermoplastic biodegradable plastics 20-30%, VINNEX,
2504 polyvinyl acetate 3-8% of VINNEX；The A material include following raw materials：PBAT thermoplasticity is given birth to
Object degradative plastics 40-60%, PLA 30-50%, inorganic filler 8-15%；B material include it is following by weight ratio
Raw material：PBAT thermoplastic biodegradable plastics 40-60%, starch master batch %40-60%, wherein the starch master batch include with
Under raw material by weight ratio：Starch 60-70%, coupling agent 1-3%, paraffin 1-3%, glycerine 25-30%, citric acid 0.1-
0.3% and epoxidized soybean oil 2-5%.
The inorganic filler is montmorillonite, calcium carbonate or talcum powder.
The coupling agent is titante coupling agent.
2505 polyvinyl acetate of VINNEX is prior art material, can be extremely compatible with PLA with flying colors, hence it is evident that
Improve its overall performance, toughness of products and penetration-resistant energy can be improved.
2504 polyvinyl acetate of VINNEX is prior art material, can be extremely compatible with PLA with flying colors, hence it is evident that
Improve its overall performance, product compatibility and heat sealability can be improved.
PLA (polylactic acid) is a kind of novel biology base and recyclable organism degradable material.
It further limits, the A material include following raw materials：PBAT thermoplastic biodegradables are moulded
Expect 40-50%, PLA 40-50%, inorganic filler 10-15%；The B material include following raw materials：
PBAT thermoplastic biodegradable plastics 50-60%, starch master batch %40-50%, wherein the starch master batch includes following by weight
Measure the raw material of part proportioning：Starch 65-70%, coupling agent 2-3%, paraffin 2-3%, glycerine 25-28%, citric acid 0.1-0.2%
With epoxidized soybean oil 2-3%.
New bio degradable material film proportioning of the present invention is reasonable, can improve degradation speed, and barrier property is good, and lead to
The toughness and softness for adding 2505 polyvinyl acetate of VINNEX enhancing product are crossed, 2504 poly- acetic acid second of VINNEX is added
Enester can improve product compatibility and heat sealability, after film is made, longitudinal tensile strain rate 200.22%, and intensity
23.27MPa, cross direction elongation 287.12%, intensity 18.49MPa, and it is more soft, toughness higher, anti-puncture effect is more
Ideal, and can ensure the quality and service life of product.
Embodiment one：
A kind of new bio degradable material film of the present invention includes following raw materials：The A material 25%,
B expects 35%, PBAT thermoplastic biodegradables plastics 30%, 2505 polyvinyl acetate 5% of VINNEX, 2504 poly- second of VINNEX
Vinyl acetate 5%；The A material include following raw materials：PBAT thermoplastic biodegradables plastics 50%,
PLA 40%, inorganic filler 10%；The B material include following raw materials：PBAT thermoplastic biodegradables
Plastics 50%, starch master batch %50%, wherein the starch master batch includes following raw materials：Starch 70%,
Coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
The preparation method of new bio degradable material film includes the following steps in the present embodiment one：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA
40%, inorganic filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be dropped by B material obtained and PBAT thermoplasticity biologies in step S002
It solves after plastics, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX are added in high speed mixer and carries out
Uniformly mixing, wherein its proportioning is：The A expects 25%, B material 35%, PBAT thermoplastic biodegradables plastics 30%, VINNEX
2505 polyvinyl acetate 5%, 2504 polyvinyl acetate 5% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, double spiral shells are set
Each warm area of bar extruder, operation temperature are 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine, each warm area operation temperature of inflation film manufacturing machine by blown film
It is 100~180 DEG C, finally obtains new bio degradable material film.
Embodiment two：
A kind of new bio degradable material film of the present invention includes following raw materials：The A material 20%,
B expects 37%, PBAT thermoplastic biodegradables plastics 30%, 2505 polyvinyl acetate 8% of VINNEX, 2504 poly- second of VINNEX
Vinyl acetate 5%；The A material include following raw materials：PBAT thermoplastic biodegradables plastics 50%,
PLA 40%, inorganic filler 10%；The B material include following raw materials：PBAT thermoplastic biodegradables
Plastics 50%, starch master batch %50%, wherein the starch master batch includes following raw materials：Starch 70%,
Coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
The preparation method of new bio degradable material film includes the following steps in the present embodiment two：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA
40%, inorganic filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be dropped by B material obtained and PBAT thermoplasticity biologies in step S002
It solves after plastics, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX are added in high speed mixer and carries out
Uniformly mixing, wherein its proportioning is：The A expects 20%, B material 37%, PBAT thermoplastic biodegradables plastics 30%, VINNEX
2505 polyvinyl acetate 8%, 2504 polyvinyl acetate 5% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, double spiral shells are set
Each warm area of bar extruder, operation temperature are 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine, each warm area operation temperature of inflation film manufacturing machine by blown film
It is 100~180 DEG C, finally obtains new bio degradable material film.
Embodiment three：
A kind of new bio degradable material film of the present invention includes following raw materials：The A material 25%,
B expects 37%, PBAT thermoplastic biodegradables plastics 25%, 2505 polyvinyl acetate 5% of VINNEX, 2504 poly- second of VINNEX
Vinyl acetate 8%；The A material include following raw materials：PBAT thermoplastic biodegradables plastics 50%,
PLA 40%, inorganic filler 10%；The B material include following raw materials：PBAT thermoplastic biodegradables
Plastics 50%, starch master batch %50%, wherein the starch master batch includes following raw materials：Starch 70%,
Coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
The preparation method of new bio degradable material film includes the following steps in the present embodiment three：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA
40%, inorganic filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be dropped by B material obtained and PBAT thermoplasticity biologies in step S002
It solves after plastics, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX are added in high speed mixer and carries out
Uniformly mixing, wherein its proportioning is：The A expects 25%, B material 37%, PBAT thermoplastic biodegradables plastics 25%, VINNEX
2505 polyvinyl acetate 5%, 2504 polyvinyl acetate 8% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, double spiral shells are set
Each warm area of bar extruder, operation temperature are 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine, each warm area operation temperature of inflation film manufacturing machine by blown film
It is 100~180 DEG C, finally obtains new bio degradable material film.
In conclusion new bio degradable material film proportioning of the present invention is reasonable, degradation speed, and barrier property can be improved
Can be good, and enhance the toughness and softness of product by adding 2505 polyvinyl acetate of VINNEX, add VINNEX
2504 polyvinyl acetate can improve product compatibility and heat sealability, after film is made, longitudinal tensile strain rate 200.22%,
Intensity 23.27MPa, cross direction elongation 287.12%, intensity 18.49MPa, and it is more soft, toughness higher, anti-puncture effect
It is even more ideal, and can ensure the quality and service life of product.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should all be included in Shen of the present invention
It please be in the scope of the claims.
Claims (10)
1. a kind of new bio degradable material film, it is characterised in that：It includes following raw materials：A expects 20-
50%, B expect 40-60%, 2505 polyvinyl acetate 5-8% of PBAT thermoplastic biodegradable plastics 20-30%, VINNEX,
2504 polyvinyl acetate 3-8% of VINNEX；
The A material include following raw materials：PBAT thermoplastic biodegradables plastics 40-60%, PLA 30-
50%, inorganic filler 8-15%；
The B material include following raw materials：PBAT thermoplastic biodegradable plastics 40-60%, starch are female
Grain %40-60%, wherein the starch master batch includes following raw materials：Starch 60-70%, coupling agent 1-
3%, paraffin 1-3%, glycerine 25-30%, citric acid 0.1-0.3% and epoxidized soybean oil 2-5%.
2. a kind of new bio degradable material film according to claim 1, it is characterised in that：A material include with
Under raw material by weight ratio：PBAT thermoplastic biodegradables plastics 40-50%, PLA 40-50%, inorganic filler 10-
15%；The B material include following raw materials：PBAT thermoplastic biodegradable plastics 50-60%, starch are female
Grain %40-50%, wherein the starch master batch includes following raw materials：Starch 65-70%, coupling agent 2-
3%, paraffin 2-3%, glycerine 25-28%, citric acid 0.1-0.2% and epoxidized soybean oil 2-3%.
3. a kind of new bio degradable material film according to claim 2, it is characterised in that：It include it is following by weight
The raw material of part proportioning：The A expects 25%, B material 35%, PBAT thermoplastic biodegradables plastics 30%, 2505 poly- acetic acid of VINNEX
Vinyl acetate 5%, 2504 polyvinyl acetate 5% of VINNEX；The A material include following raw materials：PBAT
Thermoplastic biodegradable plastics 50%, PLA 40%, inorganic filler 10%；B material include it is following by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch includes following by weight
Measure the raw material of part proportioning：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil
2%.
4. a kind of new bio degradable material film according to claim 2, it is characterised in that：It include it is following by weight
The raw material of part proportioning：The A expects 20%, B material 37%, PBAT thermoplastic biodegradables plastics 30%, 2505 poly- acetic acid of VINNEX
Vinyl acetate 8%, 2504 polyvinyl acetate 5% of VINNEX；The A material include following raw materials：PBAT
Thermoplastic biodegradable plastics 50%, PLA 40%, inorganic filler 10%；B material include it is following by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch includes following by weight
Measure the raw material of part proportioning：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil
2%.
5. a kind of new bio degradable material film according to claim 2, it is characterised in that：It include it is following by weight
The raw material of part proportioning：The A expects 25%, B material 37%, PBAT thermoplastic biodegradables plastics 25%, 2505 poly- acetic acid of VINNEX
Vinyl acetate 5%, 2504 polyvinyl acetate 8% of VINNEX；The A material include following raw materials：PBAT
Thermoplastic biodegradable plastics 50%, PLA 40%, inorganic filler 10%；B material include it is following by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch includes following by weight
Measure the raw material of part proportioning：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil
2%.
6. a kind of new bio degradable material film according to claim 1, it is characterised in that：The inorganic filler is to cover
De- soil, calcium carbonate or talcum powder.
7. a kind of new bio degradable material film according to claim 1, it is characterised in that：The coupling agent is metatitanic acid
Esters coupling agent.
8. a kind of preparation method of new bio degradable material film, it is characterised in that：It includes the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA 40%, nothing
Machine filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be moulded by B material obtained and PBAT thermoplastic biodegradables in step S002
Material, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX carry out uniform after being added in high speed mixer
Mixing, wherein its proportioning is：The A expects 25%, B material 35%, PBAT thermoplastic biodegradables plastics 30%, VINNEX 2505
Polyvinyl acetate 5%, 2504 polyvinyl acetate 5% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, twin-screw is set and squeezes
Go out each warm area of machine, operation temperature is 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine by blown film, and each warm area operation temperature of inflation film manufacturing machine is
100~180 DEG C, finally obtain new bio degradable material film.
9. a kind of preparation method of new bio degradable material film, it is characterised in that：It includes the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA 40%, nothing
Machine filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be moulded by B material obtained and PBAT thermoplastic biodegradables in step S002
Material, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX carry out uniform after being added in high speed mixer
Mixing, wherein its proportioning is：The A expects 20%, B material 37%, PBAT thermoplastic biodegradables plastics 30%, VINNEX 2505
Polyvinyl acetate 8%, 2504 polyvinyl acetate 5% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, twin-screw is set and squeezes
Go out each warm area of machine, operation temperature is 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine by blown film, and each warm area operation temperature of inflation film manufacturing machine is
100~180 DEG C, finally obtain new bio degradable material film.
10. a kind of preparation method of new bio degradable material film, it is characterised in that：It includes the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 50%, PLA 40%, nothing
Machine filler 10% carries out being mixed and made into A material, for use；
S002：B material are prepared, first by raw material by weight ratio：Starch 70%, coupling agent 3%, paraffin 2%, glycerine
22.9%, citric acid 0.1% and epoxidized soybean oil 2% are added in the hopper of double screw extruder, set twin-screw extrusion
Each warm area of machine, operation temperature are 120-180 DEG C, and starch master batch can be obtained after tie rod pelletizing；It again will by weight ratio
Raw material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50% carry out being mixed and made into B material, for use；
S003：It will be expected by A obtained in step S001, be moulded by B material obtained and PBAT thermoplastic biodegradables in step S002
Material, 2505 polyvinyl acetate of VINNEX, 2504 polyvinyl acetate of VINNEX carry out uniform after being added in high speed mixer
Mixing, wherein its proportioning is：The A expects 25%, B material 37%, PBAT thermoplastic biodegradables plastics 25%, VINNEX 2505
Polyvinyl acetate 5%, 2504 polyvinyl acetate 8% of VINNEX；
S004：The raw material mixed in step S003 are added in the hopper of double screw extruder, twin-screw is set and squeezes
Go out each warm area of machine, operation temperature is 120~180 DEG C, and PBAT modified resins can be obtained after tie rod pelletizing；
S005：It is dry, PBAT modified resins are put into drying machine and are fully dried to water content≤500Pm；
S006：PBAT modified resins after drying are put into blown film in inflation film manufacturing machine by blown film, and each warm area operation temperature of inflation film manufacturing machine is
100~180 DEG C, finally obtain new bio degradable material film.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087482A (en) * | 2013-01-23 | 2013-05-08 | 武汉华丽生物材料有限公司 | Fully-degradable heat-insulation mulch and preparation method thereof |
| CN105038163A (en) * | 2015-08-19 | 2015-11-11 | 广东益德环保科技有限公司 | Fully-biodegradable material as well as preparation method and application thereof |
| CN105246972A (en) * | 2013-04-10 | 2016-01-13 | 生物天然包装材料研究与开发有限及两合公司 | Polymer compound |
| EP3260494A1 (en) * | 2016-03-07 | 2017-12-27 | Yang, Hongmei | Biodegradable polyester composition |
-
2018
- 2018-02-05 CN CN201810116907.2A patent/CN108276744A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087482A (en) * | 2013-01-23 | 2013-05-08 | 武汉华丽生物材料有限公司 | Fully-degradable heat-insulation mulch and preparation method thereof |
| CN105246972A (en) * | 2013-04-10 | 2016-01-13 | 生物天然包装材料研究与开发有限及两合公司 | Polymer compound |
| CN105038163A (en) * | 2015-08-19 | 2015-11-11 | 广东益德环保科技有限公司 | Fully-biodegradable material as well as preparation method and application thereof |
| EP3260494A1 (en) * | 2016-03-07 | 2017-12-27 | Yang, Hongmei | Biodegradable polyester composition |
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Application publication date: 20180713 |