CN109456581A - A kind of PLA Biocomposite material and preparation method thereof of toy for children degradation - Google Patents
A kind of PLA Biocomposite material and preparation method thereof of toy for children degradation Download PDFInfo
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- CN109456581A CN109456581A CN201811162182.7A CN201811162182A CN109456581A CN 109456581 A CN109456581 A CN 109456581A CN 201811162182 A CN201811162182 A CN 201811162182A CN 109456581 A CN109456581 A CN 109456581A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The present invention relates to plastic material technical fields, and disclose a kind of PLA Biocomposite material and preparation method thereof of toy for children degradation, its material composition: the percentage composition of polylactic acid is 60%-80%, the percentage composition of polyadipate is 35%-40%, the percentage composition of ethylene-vinyl acetate copolymer is 3%-8%, the percentage composition of polyalcohol is 5%-9%, preparation method: step 1: materials；Step 2: fermentation；Step 3: osculant product；Step 4: polymerization；Step 5: polymer-modified.The PLA Biocomposite material and preparation method thereof of toy for children degradation, PLA Biocomposite material obtained is enabled to have stronger toughness, intensity and mechanical property, so that there is longer service life using toy for children made of PLA Biocomposite material.
Description
Technical field
The present invention relates to plastic material technical field, specially a kind of PLA Biocomposite material of toy for children degradation
And preparation method thereof.
Background technique
Toy refers to the article that can be used to play, and plays with toys in human society usually by as a kind of side to teach through lively activities
Formula.Toy is also possible to natural forms, is the unartificial thing of sand, stone, mud, branch etc., should make broad sense reason to toy
Solution, it is not the thing played for people for being only limited to the street and selling, and all can playing, seeing, listening and touch things all may be used
To be toy.Toy is suitble to children, is more suitable for the young and middle-aged and the old.It is the tool for opening wisdom skylight, makes people quick-witted
It is clever.
Plastics industry rapidly develops, and purposes has penetrated into the every field of national economy, and purposes is very extensive.In
The waste plastic that state generates every year is about 5,000,000 tons, wherein most of waste plastics be polypropylene (PP), polyethylene (PE) and
Polystyrene (PS) material, these materials can not natural decomposition.Current toy for children is typically all to use PLA biology multiple
Condensation material.The toughness, intensity and mechanical property of existing PLA Biocomposite material are all poor at present, thus can shorten object for appreciation
The service life of tool.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of toy for children degradation PLA Biocomposite material and
Preparation method has and PLA Biocomposite material obtained is enabled to have stronger toughness, intensity and mechanical property, from
And make have many advantages, such as longer service life using toy for children made of PLA Biocomposite material, solve present city
The toughness, intensity and mechanical property of PLA Biocomposite material are all poor on face, thus can shorten the service life of toy
The problem of.
(2) technical solution
In order to achieve the above object, the invention provides the following technical scheme: a kind of PLA biology of toy for children degradation
Composite material, including polylactic acid, polyadipate, polycaprolactone, ethylene-vinyl acetate copolymer and polyalcohol, the poly- cream
Acid, polyadipate, polycaprolactone, ethylene-vinyl acetate copolymer and polyalcohol by following weight percentage raw material system
At:
The percentage composition of the polylactic acid is 60%-80%, and the percentage composition of the polyadipate is 35%-40%, institute
The percentage composition for stating ethylene-vinyl acetate copolymer is 3%-8%, and the percentage composition of the polyalcohol is 5%-9%.
A kind of preparation method of the PLA Biocomposite material of toy for children degradation, the specific steps are as follows:
Step 1: materials choose the shells class crops such as a certain amount of corn first, by shells class agricultures such as corns after selection
Crop is screened, the impurity in the removal shells class crops such as corn, then by the shells class crops such as corn pour into crusher into
Row crushes, and obtains cornstarch, obtained cornstarch is finally made to the glucose that do not refine；
Step 2: fermentation, the glucose that step 1 is obtained ferments, fermentation method be similar to production beer or
Cornstarch, amylase and water are stirred and are modulated into slurry first by the mode of alcohol, not by PH detecting instrument
It is intermittent that manufactured slurry is detected, to guarantee that the PH of slurry is maintained between 5.40-5.60, then slurry is put
It sets in the inside of liquefied pot, by heating steam injection liquefaction, the temperature of heating is controlled at 105 degrees Celsius -115 degrees Celsius,
Cooling water is passed it through after liquefaction again to carry out being cooled to 32 degrees Celsius and adjust its PH between 4.30-4.50；
Step 3: osculant product, by step 2 obtain by lactic acid monomer with special concentration processing procedure, be transformed into
Between type product --- diminishing lactic acid, i.e. lactide；
Step 4: polymerization, lactide monomer is after vacuum purification, then with a kind of dissolution processing procedure without using solvent
The movement for completing open loop, makes monomer polymerization, and vacuum purification specifically uses vacuum pump to remove impurity；
Step 5: it is polymer-modified, due to the molecular weight of polymer and the difference of crystallinity, the change of material property can be made
It is very big to change space, so PLA to be done to different modifications because of the product of different application.
Preferably, the concrete technology flow process of glucose is made in cornstarch are as follows: cornstarch-size mixing-liquefy-sugar
Change-saccharified liquid purification-glucose；Size mixing: in cornstarch plus water is tuned into a certain concentration, then adjusts pH value；Liquid
Change: being merely able to heating starch enzyme to modulated starch slurry and the heating that heats up；Saccharification: liquefied starch is cooled to certain
Stablize, heats after adjusting pH value and thereto carbohydrase, vacuum pump is utilized to remove impurity.
Preferably, wherein being used multiple times the impurity in removal starch fluid using vacuum pump.
Preferably, the main of lactic acid concentration production uses explosive evaporation, in order to avoid starch fluid is during explosive evaporation
Cause the phenomenon that overflowing, it is therefore desirable to which the environment of explosive evaporation should be ensured that certain closing.
(3) beneficial effect
Compared with prior art, the present invention provides the PLA Biocomposite materials and its system of a kind of degradation of toy for children
Preparation Method, have it is following the utility model has the advantages that
1, the PLA Biocomposite material and preparation method thereof of toy for children degradation, by polylactic acid, polyadipate,
The weight percentage of polycaprolactone, ethylene-vinyl acetate copolymer and polyalcohol, the percentage composition of polylactic acid are 60%-
80%, the percentage composition of polyadipate is 35%-40%, the percentage composition of ethylene-vinyl acetate copolymer be 3%-8% with
And the percentage composition of polyalcohol is 5%-9%, can enhance the mechanical property of PLA Biocomposite material, pass through step 1: take
Material；Step 2: fermentation；Step 3: osculant product；Step 4: polymerization；Step 5: it is polymer-modified, it enables to be made
PLA Biocomposite material have stronger toughness and intensity so that using children made of PLA Biocomposite material
Toy has longer service life.
Specific embodiment
Below in conjunction with the embodiment in the present invention, technical solution in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
A kind of PLA Biocomposite material of toy for children degradation, including polylactic acid, polyadipate, polycaprolactone, second
Alkene-acetate ethylene copolymer and polyalcohol, polylactic acid, polyadipate, polycaprolactone, ethylene-vinyl acetate copolymer and
Polyalcohol is made of the raw material of following weight percentage:
The percentage composition of polylactic acid is 60%-80%, and the percentage composition of polyadipate is 35%-40%, ethylene-acetic acid
The percentage composition of ethylene copolymer is 3%-8%, and the percentage composition of polyalcohol is 5%-9%.
A kind of preparation method of the PLA Biocomposite material of toy for children degradation, the specific steps are as follows:
Step 1: materials choose the shells class crops such as a certain amount of corn first, by shells class agricultures such as corns after selection
Crop is screened, the impurity in the removal shells class crops such as corn, then by the shells class crops such as corn pour into crusher into
Row crushes, and obtains cornstarch, obtained cornstarch is finally made to the glucose that do not refine, grape is made in cornstarch
The concrete technology flow process of sugar are as follows: purification-glucose of cornstarch-size mixing-liquefy-be saccharified-saccharified liquid；It sizes mixing:
In cornstarch plus water is tuned into a certain concentration, then adjusts pH value；Liquefaction: heating starch is merely able to modulated starch slurry
Enzyme and the heating that heats up；Liquefied starch: being cooled to certain stabilization by saccharification, adjusts after pH value and heating is saccharified thereto
Enzyme removes impurity using vacuum pump, wherein being used multiple times the impurity in removal starch fluid using vacuum pump；
Step 2: fermentation, the glucose that step 1 is obtained ferments, fermentation method be similar to production beer or
Cornstarch, amylase and water are stirred and are modulated into slurry first by the mode of alcohol, not by PH detecting instrument
It is intermittent that manufactured slurry is detected, to guarantee that the PH of slurry is maintained between 5.40-5.60, then slurry is put
It sets in the inside of liquefied pot, by heating steam injection liquefaction, the temperature of heating is controlled at 105 degrees Celsius -115 degrees Celsius,
Cooling water is passed it through after liquefaction again to carry out being cooled to 32 degrees Celsius and adjust its PH between 4.30-4.50；
Step 3: osculant product, by step 2 obtain by lactic acid monomer with special concentration processing procedure, be transformed into
Between type product --- diminishing lactic acid, i.e. lactide, lactic acid concentration production it is main use explosive evaporation, in order to avoid starch fluid
The phenomenon that overflowing is caused during explosive evaporation, it is therefore desirable to which the environment of explosive evaporation should be ensured that certain closing；
Step 4: polymerization, lactide monomer is after vacuum purification, then with a kind of dissolution processing procedure without using solvent
The movement for completing open loop, makes monomer polymerization, and vacuum purification specifically uses vacuum pump to remove impurity；
Step 5: it is polymer-modified, due to the molecular weight of polymer and the difference of crystallinity, the change of material property can be made
It is very big to change space, so PLA to be done to different modifications because of the product of different application.
In conclusion the PLA Biocomposite material and preparation method thereof of toy for children degradation, in use, by poly-
Lactic acid, polyadipate, polycaprolactone, ethylene-vinyl acetate copolymer and polyalcohol weight percentage, polylactic acid
Percentage composition is 60%-80%, and the percentage composition of polyadipate is 35%-40%, the percentage of ethylene-vinyl acetate copolymer
Content is 3%-8% and the percentage composition of polyalcohol is 5%-9%, can enhance the mechanical property of PLA Biocomposite material
Can, pass through step 1: materials；Step 2: fermentation；Step 3: osculant product；Step 4: polymerization；Step 5: polymer is repaired
Decorations enable to PLA Biocomposite material obtained to have stronger toughness and intensity, so that multiple using PLA biology
Toy for children made of condensation material has longer service life.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of PLA Biocomposite material of toy for children degradation, including polylactic acid, polyadipate, polycaprolactone, ethylene-
Acetate ethylene copolymer and polyalcohol, which is characterized in that the polylactic acid, polyadipate, polycaprolactone, ethyl vinyl acetate second
Alkene copolymer and polyalcohol are made of the raw material of following weight percentage:
The percentage composition of the polylactic acid is 60%-80%, and the percentage composition of the polyadipate is 35%-40%, the second
Alkene-acetate ethylene copolymer percentage composition is 3%-8%, and the percentage composition of the polyalcohol is 5%-9%.
2. a kind of preparation method of the PLA Biocomposite material of toy for children degradation, the specific steps are as follows:
Step 1: materials choose the shells class crops such as a certain amount of corn first, by the shells class crops such as corn after selection into
Row screening, removes the impurity in the shells class crops such as corn, then the shells class crops such as corn are poured into crusher and are crushed,
Cornstarch is obtained, obtained cornstarch is finally made to the glucose that do not refine；
Step 2: fermentation, the glucose that step 1 is obtained ferments, and fermentation method is similar to production beer or alcohol
Cornstarch, amylase and water are stirred and are modulated into slurry first by mode, continual right by PH detecting instrument
Manufactured slurry is detected, to guarantee that the PH of slurry is maintained between 5.40-5.60, slurry is then placed on liquefied pot
Inside, by heating steam injection liquefaction, heating temperature control at 105 degrees Celsius -115 degrees Celsius, after liquefaction again will
It carries out being cooled to 32 degrees Celsius and adjusts its PH between 4.30-4.50 through supercooled water；
Step 3: osculant product, by step 2 obtain by lactic acid monomer with special concentration processing procedure, be transformed into osculant production
Object --- diminishing lactic acid, i.e. lactide；
Step 4: polymerization, lactide monomer are completed out after vacuum purification, then with a kind of dissolution processing procedure without using solvent
The movement of ring, makes monomer polymerization, and vacuum purification specifically uses vacuum pump to remove impurity；
Step 5: it is polymer-modified, due to the molecular weight of polymer and the difference of crystallinity, the variation space of material property can be made
It is very big, so PLA to be done to different modifications because of the product of different application.
3. a kind of preparation method of the PLA Biocomposite material of toy for children degradation according to claim 2, corn form sediment
The concrete technology flow process of glucose is made in powder are as follows: purification-grape of cornstarch-size mixing-liquefy-be saccharified-saccharified liquid
Sugar；Size mixing: in cornstarch plus water is tuned into a certain concentration, then adjusts pH value；Liquefaction: it is merely able to modulated starch slurry
Heating starch enzyme and the heating that heats up；Liquefied starch: being cooled to certain stabilization by saccharification, is adjusted after pH value and is heated thereto
Carbohydrase removes impurity using vacuum pump.
4. the preparation method of the PLA Biocomposite material of a kind of toy for children degradation according to claim 3, wherein benefit
The impurity in removal starch fluid is used multiple times with vacuum pump.
5. a kind of preparation method of the PLA Biocomposite material of toy for children degradation according to claim 2, feature
Be: the main of lactic acid concentration production uses explosive evaporation, in order to avoid starch fluid causes spilling during explosive evaporation
Phenomenon, it is therefore desirable to which the environment of explosive evaporation should be ensured that certain closing.
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| CN201811162182.7A CN109456581A (en) | 2018-09-30 | 2018-09-30 | A kind of PLA Biocomposite material and preparation method thereof of toy for children degradation |
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| CN201811162182.7A CN109456581A (en) | 2018-09-30 | 2018-09-30 | A kind of PLA Biocomposite material and preparation method thereof of toy for children degradation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213635A (en) * | 2021-09-14 | 2022-03-22 | 刘东明 | Method for manufacturing medical product made of renewable biodegradable material |
| CN114213636A (en) * | 2021-09-14 | 2022-03-22 | 刘东明 | Method for manufacturing gloves made of renewable biodegradable materials |
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| CN114213636A (en) * | 2021-09-14 | 2022-03-22 | 刘东明 | Method for manufacturing gloves made of renewable biodegradable materials |
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Effective date of registration: 20210107 Address after: No. 610, Fushun Road, Xitang Town, Jiashan County, Jiaxing City, Zhejiang Province, 314100 Applicant after: Zhejiang Tianhui button Co., Ltd Address before: 314100 room 901A, building 11, No.568, Jinyang East Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Applicant before: JIAXING FANGAO ELECTRONIC COMMERCE Co.,Ltd. |
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Application publication date: 20190312 |