CN108285622A - Biodegradable material and preparation method thereof - Google Patents
Biodegradable material and preparation method thereof Download PDFInfo
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- CN108285622A CN108285622A CN201810116244.4A CN201810116244A CN108285622A CN 108285622 A CN108285622 A CN 108285622A CN 201810116244 A CN201810116244 A CN 201810116244A CN 108285622 A CN108285622 A CN 108285622A
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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
- 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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- 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
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/16—Biodegradable polymers
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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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- 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
- 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
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Abstract
The present invention discloses a kind of Biodegradable material and preparation method thereof, which includes following raw materials：A material 20 50%, B material 40 60%, PBAT thermoplastic biodegradables plastics 20 40%, 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 25 30%, citric acid 0.1 0.3% and epoxidized soybean oil 2 5%.
Description
Technical field：
The present invention relates to high polymer material technology domain, a kind of Biodegradable material 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 Biodegradable materials and preparation method thereof.
In order to solve the above-mentioned technical problem, present invention employs the first following technical solutions：The Biodegradable material
Including following raw materials：A expects that 20-50%, B expect 40-60%, PBAT thermoplastic biodegradable plastics 20-
40%, the A material include following raw materials：PBAT thermoplastic biodegradable 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：It forms sediment
Powder 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 comprising following raw materials：The A expects 20%, B
Expect 50%, PBAT thermoplastic biodegradables plastics 30%；The A material include following raw materials：PBAT heat
Plasticity biodegradable plastic 50%, PLA 40%, inorganic filler 10%；The B material include following original by weight ratio
Material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch include it is following by weight
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%.
Furthermore, in above-mentioned technical proposal comprising following raw materials：The A expects 40%, B
Expect 30%, PBAT thermoplastic biodegradables plastics 30%；The A material include following raw materials：PBAT heat
Plasticity biodegradable plastic 40%, PLA 50%, inorganic filler 10%；The B material include following original by weight ratio
Material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch include it is following by weight
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%.
Furthermore, in above-mentioned technical proposal comprising following raw materials：The A expects 50%, B
Expect 25%, PBAT thermoplastic biodegradables plastics 25%；The A material include following raw materials：PBAT heat
Plasticity biodegradable plastic 40%, PLA 50%, inorganic filler 10%；The B material include following original by weight ratio
Material：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch include it is following by weight
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%.
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：The Biodegradable material
Preparation method include 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
Solution plastics are uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 20%, B expects 50%, PBAT thermoplasticity
Biodegradable plastic 30%；
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 biodegradation material film.
In order to solve the above-mentioned technical problem, present invention employs the third following technical solutions：The Biodegradable material
Preparation method include the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 40%, PLA
50%, 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
Solution plastics are uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 40%, B expects 30%, PBAT thermoplasticity
Biodegradable plastic 30%；
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 biodegradation material film.
In order to solve the above-mentioned technical problem, present invention employs following 4th kind of technical solutions：The Biodegradable material
Preparation method include the following steps：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 40%, PLA
50%, 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
Solution plastics are uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 50%, B expects 25%, PBAT thermoplasticity
Biodegradable plastic 25%；
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 biodegradation material film.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
1, Biodegradable material proportioning of the present invention is reasonable, can improve degradation speed, and barrier property is good, thin being made
After film, longitudinal tensile strain rate 150.22%, intensity 18.27MPa, cross direction elongation 237.12%, intensity 12.49MPa；In addition,
The present invention accounts for total weight parts proportioning to control the hardness of Biodegradable material by control PLA, enables Biodegradable material
Different product is enough made, enables the present invention that there is the extremely strong market competitiveness.
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.
Biodegradable material of the present invention comprising following raw materials：A expects that 20-50%, B expect 40-
60%, PBAT thermoplastic biodegradable plastics 20-40%, wherein A material include following raw materials：
PBAT thermoplastic biodegradables plastics 40-60%, PLA 30-50%, inorganic filler 8-15%；B material include it is following by
The raw material of weight：PBAT thermoplastic biodegradable 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 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.
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%.
Biodegradable material proportioning of the present invention is reasonable, can improve degradation speed, and barrier property is good, film is being made
Afterwards, longitudinal tensile strain rate 150.22%, intensity 18.27MPa, cross direction elongation 237.12%, intensity 12.49MPa.
Embodiment one：
Biodegradable material of the present invention includes following raw materials：The A expects 20%, B material 50%,
PBAT thermoplastic biodegradables plastics 30%；The A material include following raw materials：PBAT thermoplasticity biologies
Degradative plastics 50%, PLA 40%, inorganic filler 10%；The B material include following raw materials：PBAT heat
Plasticity biodegradable plastic 50%, starch master batch %50%, wherein the starch master batch includes following original by weight ratio
Material：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
It is 40%*20%=8% that above-mentioned PLA, which accounts for total weight parts proportioning, and softness is higher, and tensile strength is moderate, makes
Biodegradable material of the present invention is suitable for making refuse bag.
The preparation method of Biodegradable material 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
Solution plastics are uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 20%, B expects 50%, PBAT thermoplasticity
Biodegradable plastic 30%；
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 biodegradation material film.
Embodiment two：
Biodegradable material of the present invention includes following raw materials：The A expects 40%, B material 30%,
PBAT thermoplastic biodegradables plastics 30%；The A material include following raw materials：PBAT thermoplasticity biologies
Degradative plastics 40%, PLA 50%, inorganic filler 10%；The B material include following raw materials：PBAT heat
Plasticity biodegradable plastic 50%, starch master batch %50%, wherein the starch master batch includes following original by weight ratio
Material：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
Above-mentioned PLA account for total weight parts proportioning be 40%*50%=20%, softness is relatively low, tensile strength and
Hardness is opposite to be promoted, and toughness is larger, makes Biodegradable material of the present invention suitable for making shopping bag, plastic bag.
The preparation method of Biodegradable material includes the following steps in the present embodiment two：S001：A material are prepared, by by weight
Measure the raw material of part proportioning：PBAT thermoplastic biodegradables plastics 40%, PLA 50%, inorganic filler 10% carry 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
Solution plastics are uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 40%, B expects 30%, PBAT thermoplasticity
Biodegradable plastic 30%；
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 biodegradation material film.
Embodiment three：
Biodegradable material of the present invention includes following raw materials：The A expects 50%, B material 25%,
PBAT thermoplastic biodegradables plastics 25%；The A material include following raw materials：PBAT thermoplasticity biologies
Degradative plastics 40%, PLA 50%, inorganic filler 10%；The B material include following raw materials：PBAT heat
Plasticity biodegradable plastic 50%, starch master batch %50%, wherein the starch master batch includes following original by weight ratio
Material：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1% and epoxidized soybean oil 2%.
It is 50%*50%=25% that above-mentioned PLA, which accounts for total weight parts proportioning, and hardness is relatively large, tensile strength and toughness
It is larger, make Biodegradable material of the present invention suitable for making handbag.
The preparation method of Biodegradable material includes the following steps in the present embodiment three：
S001：A material are prepared, by raw material by weight ratio：PBAT thermoplastic biodegradables plastics 40%, PLA
50%, 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
Solution plastics are uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 50%, B expects 25%, PBAT thermoplasticity
Biodegradable plastic 25%；
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 biodegradation material film.
In conclusion Biodegradable material proportioning of the present invention is reasonable, degradation speed can be improved, and barrier property is good,
After film is made, longitudinal tensile strain rate 150.22%, intensity 18.27MPa, cross direction elongation 237.12%, intensity
12.49MPa；In addition, the present invention accounts for total weight parts proportioning to control the hardness of Biodegradable material by control PLA, make life
Object degradability material can make different product, and the present invention is enabled to have the extremely strong market competitiveness.
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. Biodegradable material comprising following raw materials：A expects that 20-50%, B expect 40-60%, PBAT
Thermoplastic biodegradable plastics 20-40%,
It is characterized in that：The A material include following raw materials：PBAT thermoplastic biodegradable 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. Biodegradable material according to claim 1, it is characterised in that：A material include it is following by weight
The raw material of proportioning：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 master batch %40-50%,
Wherein, which 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. Biodegradable material according to claim 2, it is characterised in that：It includes following original by weight ratio
Material：The A expects 20%, B material 50%, PBAT thermoplastic biodegradables plastics 30%；A material includes following to match by weight
The raw material of ratio：PBAT thermoplastic biodegradables plastics 50%, PLA 40%, inorganic filler 10%；B material include it is following by
The raw material of weight：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch packet
Following raw materials are included：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1%
With epoxidized soybean oil 2%.
4. Biodegradable material according to claim 2, it is characterised in that：It includes following original by weight ratio
Material：The A expects 40%, B material 30%, PBAT thermoplastic biodegradables plastics 30%；A material includes following to match by weight
The raw material of ratio：PBAT thermoplastic biodegradables plastics 40%, PLA 50%, inorganic filler 10%；B material include it is following by
The raw material of weight：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch packet
Following raw materials are included：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1%
With epoxidized soybean oil 2%.
5. Biodegradable material according to claim 2, it is characterised in that：It includes following original by weight ratio
Material：The A expects 50%, B material 25%, PBAT thermoplastic biodegradables plastics 25%；A material includes following to match by weight
The raw material of ratio：PBAT thermoplastic biodegradables plastics 40%, PLA 50%, inorganic filler 10%；B material include it is following by
The raw material of weight：PBAT thermoplastic biodegradables plastics 50%, starch master batch %50%, wherein the starch master batch packet
Following raw materials are included：Starch 70%, coupling agent 3%, paraffin 2%, glycerine 22.9%, citric acid 0.1%
With epoxidized soybean oil 2%.
6. Biodegradable material according to claim 1, it is characterised in that：The inorganic filler is montmorillonite, carbonic acid
Calcium or talcum powder.
7. Biodegradable material according to claim 1, it is characterised in that：The coupling agent is coupled for titanate ester
Agent.
8. the preparation method of Biodegradable material, 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 is uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 20%, B expects 50%, PBAT thermoplasticity biologies
Degradative plastics 30%；
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 biodegradation material film.
9. the preparation method of Biodegradable material, 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 40%, PLA 50%, 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 is uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 40%, B expects 30%, PBAT thermoplasticity biologies
Degradative plastics 30%；
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 biodegradation material film.
10. the preparation method of Biodegradable material, 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 40%, PLA 50%, 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 is uniformly mixed after being added in high speed mixer, wherein its proportioning is：A expects that 50%, B expects 25%, PBAT thermoplasticity biologies
Degradative plastics 25%；
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 biodegradation material film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116244.4A CN108285622A (en) | 2018-02-05 | 2018-02-05 | Biodegradable material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116244.4A CN108285622A (en) | 2018-02-05 | 2018-02-05 | Biodegradable material and preparation method thereof |
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| CN108285622A true CN108285622A (en) | 2018-07-17 |
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ID=62836501
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810116244.4A Pending CN108285622A (en) | 2018-02-05 | 2018-02-05 | Biodegradable material and preparation method thereof |
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| Country | Link |
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| CN (1) | CN108285622A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909426A (en) * | 2020-08-13 | 2020-11-10 | 寿光金远东变性淀粉有限公司 | Preparation method of full-biodegradable plastic garbage bag material |
| WO2023224593A1 (en) * | 2022-05-17 | 2023-11-23 | Общество С Ограниченной Ответствнностью "Биоинком" | Method for producing oligosaccharide copolymers |
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| 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 |
| CN105001603A (en) * | 2014-11-25 | 2015-10-28 | 江苏天仁生物材料有限公司 | Fully biodegradable material with polylactic acid/polyterephthalic dibutyl adipate used as base materials 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 |
| EP3260494A1 (en) * | 2016-03-07 | 2017-12-27 | Yang, Hongmei | Biodegradable polyester composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN105001603A (en) * | 2014-11-25 | 2015-10-28 | 江苏天仁生物材料有限公司 | Fully biodegradable material with polylactic acid/polyterephthalic dibutyl adipate used as base materials 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 |
| EP3260494A1 (en) * | 2016-03-07 | 2017-12-27 | Yang, Hongmei | Biodegradable polyester composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111909426A (en) * | 2020-08-13 | 2020-11-10 | 寿光金远东变性淀粉有限公司 | Preparation method of full-biodegradable plastic garbage bag material |
| WO2023224593A1 (en) * | 2022-05-17 | 2023-11-23 | Общество С Ограниченной Ответствнностью "Биоинком" | Method for producing oligosaccharide copolymers |
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