CN108047505A - A kind of edible degradation plastic made of konjaku - Google Patents

A kind of edible degradation plastic made of konjaku Download PDF

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Publication number
CN108047505A
CN108047505A CN201810135349.4A CN201810135349A CN108047505A CN 108047505 A CN108047505 A CN 108047505A CN 201810135349 A CN201810135349 A CN 201810135349A CN 108047505 A CN108047505 A CN 108047505A
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Prior art keywords
product
parts
konjaku
edible
water
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CN201810135349.4A
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Chinese (zh)
Inventor
董忠蓉
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Guizhou Pengcheng Agricultural Science And Technology Development Group Ltd
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Guizhou Pengcheng Agricultural Science And Technology Development Group Ltd
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Priority to CN201810135349.4A priority Critical patent/CN108047505A/en
Publication of CN108047505A publication Critical patent/CN108047505A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/12Amylose; Amylopectin; Degradation products thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C08L5/02Dextran; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/06Biodegradable
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/10Transparent films; Clear coatings; Transparent materials

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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)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

The invention discloses a kind of edible degradation plastics made of konjaku, it is made of the raw material that following weight parts match:1 100 parts of konjaku powder, water are 40 times of konjaku powder;1 20 parts of branch company property starch, water are 10 times of branch company property starch;1 10 parts of glycerine;1 10 parts of dietary alkali, water are 10 times of dietary alkali.The present invention can eliminate the oxious component in plastics, and have the characteristics that it is degradable, can secondary use, the pollution of environment will not be caused.

Description

A kind of edible degradation plastic made of konjaku
Technical field
The present invention relates to a kind of degradation plastic, particularly a kind of edible degradation plastic made of konjaku.
Background technology
In the rural area for lacking perfect environmental sanitation system, polybag is as agriculture chemical or the packing material of varieties of food items, warp It is often abandoned conveniently to farmland, and some enters river and irrigation canals and ditches by wind-force or current, causes serious water dirty Dye.
Current polybag is generally made of high-molecular compounds such as polystyrene, polypropylene, polyvinyl chloride, these are high Plastic product made of molecular compound is difficult to the processing that is degraded, the problem of causing the accumulation of rubbish and remove difficulties, and will modeling Expect, as the pollution it will cause pernicious gas after burning energy processing, to cause acid rain;And the polyvinyl chloride composition in plastics Also there is certain toxicity, cause the harm such as splenomegaly, hepatic injury to the crowd of long-time service, and useless agricultural film, polybag etc. Plastic products can also influence crops to the absorption of moisture content, the growth and development of inhibition crops after farmland is discarded into, and cause agriculture The underproduction of crop;In addition, all kinds of livestocks or wild animal can also cause alimentary canal disease after discarded plastic products have been eaten Disease or even death by suffocation, pollute the environment in different field.
The content of the invention
It is an object of the present invention to provide a kind of edible degradation plastics made of konjaku.It can eliminate plastics In oxious component, and have the characteristics that it is degradable, can secondary use, the pollution of environment will not be caused.
Technical scheme:A kind of edible degradation plastic made of konjaku, it is matched somebody with somebody with following weight parts The raw material of ratio is made:
1-100 parts of konjaku powder adds water for 40 times of konjaku powder;
1-20 parts of branch company property starch adds water for 10 times of branch company property starch;
1-10 parts of glycerine;
1-10 parts of dietary alkali adds water for 10 times of dietary alkali.
In a kind of foregoing edible degradation plastic made of konjaku, it is the raw material matched with following weight parts It is made:
2-70 parts of konjaku powder adds water for 40 times of konjaku powder;
2-15 parts of branch company property starch adds water for 10 times of branch company property starch;
2-7 parts of glycerine;
2-7 parts of dietary alkali adds water for 10 times of dietary alkali.
In a kind of foregoing edible degradation plastic made of konjaku, it is the raw material matched with following weight parts It is made:
3-50 parts of konjaku powder adds water for 40 times of konjaku powder;
3-10 parts of branch company property starch adds water for 10 times of branch company property starch;
3-6 parts of glycerine;
2-6 parts of dietary alkali adds water for 10 times of dietary alkali.
In a kind of foregoing edible degradation plastic made of konjaku, it is the raw material matched with following weight parts It is made:
5-20 parts of konjaku powder adds water for 40 times of konjaku powder;
4-10 parts of branch company property starch, it is 10 times of branch company property starch to add water;
3-4 parts of glycerine;
3-4 parts of dietary alkali adds water for 10 times of dietary alkali.
In a kind of foregoing edible degradation plastic made of konjaku, the konjaku powder refers to -300 mesh of 60 mesh Konjaku flour;The branch company property starch refers to that branch company property staple food grain, coarse cereals or the dry fruit fineness after crushing, screening are more than 120 mesh Granular material.
In a kind of foregoing edible degradation plastic made of konjaku, the branch company property starch refers to glutinous rice, glutinous jade Rice or Semen setariae, the Chinese chestnut fineness after crushing, screening are granular materials more than 120 mesh.
In a kind of foregoing edible degradation plastic made of konjaku, make in the steps below;
Konjaku powder is ground into the granular material of 60-300 mesh, obtain A product A,;
B, branch company property starch is ground into more than 120 mesh granular material, obtains B product;
C, A product are placed in reciprocating sieve, is spilled into the water and is stirred, obtain C product;
D, B product are poured into water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1-2 is small after stirring evenly, obtains E product;
F, glycerine is poured into E product and be uniformly mixed, obtain F product;
G, dietary alkali is poured into water to form edible lye, then edible lye is poured into F product and is uniformly mixed, obtain G product;
H, G product are squeezed into mold, when standing 3 is small in 30 DEG C -50 DEG C of environment, obtains H product;
I, H product are put into 90 DEG C -100 DEG C of steam boiler or tank and steamed 40 minutes, obtain I product;
J, I product are air-dried, obtains finished product.
Compared with prior art, the present invention is using konjaku powder and Zhi Lian starch as the main composition portion of plastic products Point, konjaku powder itself has good dilatancy, draftability and plasticity, can improve the physical property and conveniently of plastics The processing of user, branch company property starch can form stable colloid after water is dissolved in, and will not be precipitated caused by standing, carry The high production effect of plastics, branch company property starch its strand after Heat Gelatinization is more loose, therefore with higher viscous Degree, makes branch company property starch that can be completely embedded in high temperature environments with konjaku powder, improves structural strength and the work of plastics Stability, when starch cool, the branched structure in starch molecule reduces the tightness degree that strand recombines again, makes Plastics cost has good ageing resistance and water resistance, further improves the job stability of plastic products and makes Use the service life;Glycerine can make product flexible in the manufacturing process of the present invention, and plastics is made easily to be molded or be made various devices Ware, dietary alkali can improve the coagulability of product, make the soft tough moderate of product, facilitate user to the processing of product and make modeling Material products have good quality and applicability;And edible plants is substituted the producing high-moleculars such as polyvinyl chloride and closed by the present invention Chief component of the object as plastics eliminates the oxious component in plastics and reduces the degradation difficulty to plastics, have Effect prevents plastics from being endangered caused by user or crops, and plastic products made of the present invention can also be made after use For pannage or organic waste materials, realize the secondary use to plastics and avoid environmental pollution caused by plastic heap product, in konjaku The characteristic of natural anticorrosion can also make plastics have the effect of Keep the quality and freshness, and making plastics that need not add any preservative just can make It is used for feed, the effect with safety non-pollution while secondary use.Further, since konjaku powder is with gelatinization degree With different viscosity and puffed degree, the present invention is made by changing the proportioning of composition can to there is product in the production process Different architectural characteristics, and can plastics be made by sanitary cup, bowl and other apparatus by directly more mold exchange, so as to Make the present invention that can there is good quality and using effect after different products is made, improve being applicable in for the present invention Property.So the present invention can eliminate oxious component in plastics, and have the characteristics that it is degradable, can secondary use, Bu Huizao Into the pollution of environment.
Specific embodiment
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
Embodiment.
A kind of edible degradation plastic made of konjaku, it is made of the raw material that following weight parts match:
1-100 parts of konjaku powder adds water for 40 times of konjaku powder;
1-20 parts of branch company property starch adds water for 10 times of branch company property starch;
1-10 parts of glycerine;
1-10 parts of dietary alkali adds water for 10 times of dietary alkali.
Preferably, it is made of the raw material that following weight parts match:
2-70 parts of konjaku powder adds water for 40 times of konjaku powder;
2-15 parts of branch company property starch adds water for 10 times of branch company property starch;
2-7 parts of glycerine;
2-7 parts of dietary alkali adds water for 10 times of dietary alkali.
Preferably, it is made of the raw material that following weight parts match:
3-50 parts of konjaku powder adds water for 40 times of konjaku powder;
3-10 parts of branch company property starch adds water for 10 times of branch company property starch;
3-6 parts of glycerine;
2-6 parts of dietary alkali adds water for 10 times of dietary alkali.
Preferably, it is made of the raw material that following weight parts match:
5-20 parts of konjaku powder adds water for 40 times of konjaku powder;
4-10 parts of branch company property starch, it is 10 times of branch company property starch to add water;
3-4 parts of glycerine;
3-4 parts of dietary alkali adds water for 10 times of dietary alkali.
The konjaku powder refers to the konjaku flour of -300 mesh of 60 mesh;The branch company property starch refers to branch company property staple food grain, coarse cereals Or dry fruit fineness after crushing, screening is granular material more than 120 mesh.Preferably, the branch company property starch refer to it is glutinous Rice, waxy corn or Semen setariae, the Chinese chestnut fineness after crushing, screening are granular materials more than 120 mesh.
Embodiment 1.A kind of edible degradation plastic made of konjaku is made in the steps below:
100 grams of konjaku powders are ground into the granular material of 60 mesh, obtain A product A,;
B, 2000 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 4000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 20000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1 is small after stirring evenly, obtains E product;
F, 100 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 1000 grams of dietary alkalis are poured into 10000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed It closes uniformly, obtains G product;
H, G product are got into mold, when standing 3 is small in temperature 50 C environment, obtains H product;
I, H product are put into 90 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 2.A kind of edible degradation plastic made of konjaku is made in the steps below:
1000 grams of konjaku powders are ground into the granular material of 300 mesh, obtain A product A,;
B, 10 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 40000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 100 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 2 is small after stirring evenly, obtains E product;
F, 1000 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 100 grams of dietary alkalis are poured into 1000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in 30 DEG C of environment of temperature, obtains H product;
I, H product are put into 100 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 3.A kind of edible degradation plastic made of konjaku is made in the steps below:
200 grams of konjaku powders are ground into the granular material of 60 mesh, obtain A product A,;
B, 1500 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 8000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 15000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1 is small after stirring evenly, obtains E product;
F, 200 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 700 grams of dietary alkalis are poured into 7000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in temperature 50 C environment, obtains H product;
I, H product are put into 90 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 4.A kind of edible degradation plastic made of konjaku is made in the steps below:
7000 grams of konjaku powders are ground into the granular material of 300 mesh, obtain A product A,;
B, 200 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 280000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 2000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 2 is small after stirring evenly, obtains E product;
F, 700 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 200 grams of dietary alkalis are poured into 2000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in 30 DEG C of environment of temperature, obtains H product;
I, H product are put into 100 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 5.A kind of edible degradation plastic made of konjaku is made in the steps below:
300 grams of konjaku powders are ground into the granular material of 60 mesh, obtain A product A,;
B, 1000 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 12000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 10000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1 is small after stirring evenly, obtains E product;
F, 300 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 600 grams of dietary alkalis are poured into 6000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in temperature 50 C environment, obtains H product;
I, H product are put into 90 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 6.A kind of edible degradation plastic made of konjaku is made in the steps below:
5000 grams of konjaku powders are ground into the granular material of 300 mesh, obtain A product A,;
B, 300 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 200000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 3000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 2 is small after stirring evenly, obtains E product;
F, 600 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 200 grams of dietary alkalis are poured into 2000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in 30 DEG C of environment of temperature, obtains H product;
I, H product are put into 100 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 7.A kind of edible degradation plastic made of konjaku is made in the steps below:
500 grams of konjaku powders are ground into the granular material of 60 mesh, obtain A product A,;
B, 1000 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 20000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 10000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1 is small after stirring evenly, obtains E product;
F, 400 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 300 grams of dietary alkalis are poured into 3000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in temperature 50 C environment, obtains H product;
I, H product are put into 90 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 8.A kind of edible degradation plastic made of konjaku is made in the steps below:
2000 grams of konjaku powders are ground into the granular material of 300 mesh, obtain A product A,;
B, 400 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 80000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 4000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 2 is small after stirring evenly, obtains E product;
F, 300 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 400 grams of dietary alkalis are poured into 4000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in 30 DEG C of environment of temperature, obtains H product;
I, H product are put into 100 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.
Embodiment 9.A kind of edible degradation plastic made of konjaku is made in the steps below:
1000 grams of konjaku powders are ground into the granular material of 200 mesh, obtain A product A,;
B, 800 Ke Zhilian starch are ground into more than 120 mesh granular material, obtain B product;
C, A product are placed in reciprocating sieve, is spilled into 40000 grams of water and is stirred slowly, obtain C product;
D, B product are poured into 8000 grams of water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1.5 is small after stirring evenly, obtains E product;
F, 400 grams of glycerine are poured into E product and be uniformly mixed, obtain F product;
G, 400 grams of dietary alkalis are poured into 4000 grams of water and forms edible lye, then edible lye is poured into F product and is mixed Uniformly, G product are obtained;
H, G product are got into mold, when standing 3 is small in 40 DEG C of environment of temperature, obtains H product;
I, H product are put into 95 DEG C of steam boiler or Cans and steamed 40 minutes, make material transparent and have tough character, obtain I product;
J, I product are air-dried, obtains certified products.

Claims (7)

1. a kind of edible degradation plastic made of konjaku, it is characterised in that:It is the raw material matched with following weight parts It is made:
1-100 parts of konjaku powder adds water for 40 times of konjaku powder;
1-20 parts of branch company property starch adds water for 10 times of branch company property starch;
1-10 parts of glycerine;
1-10 parts of dietary alkali, water are 10 times of dietary alkali.
2. a kind of edible degradation plastic made of konjaku according to claim 1, it is characterised in that:It is to use down The raw material for stating weight is made:
2-70 parts of konjaku powder adds water for 40 times of konjaku powder;
2-15 parts of branch company property starch adds water for 10 times of branch company property starch;
2-7 parts of glycerine;
2-7 parts of dietary alkali adds water for 10 times of dietary alkali.
3. a kind of edible degradation plastic made of konjaku according to claim 2, it is characterised in that:It is to use down The raw material for stating weight is made:
3-50 parts of konjaku powder adds water for 40 times of konjaku powder;
3-10 parts of branch company property starch adds water for 10 times of branch company property starch;
3-6 parts of glycerine;
2-6 parts of dietary alkali adds water for 10 times of dietary alkali.
4. a kind of edible degradation plastic made of konjaku according to claim 3, it is characterised in that:It is to use down The raw material for stating weight is made:
5-20 parts of konjaku powder adds water for 40 times of konjaku powder;
4-10 parts of branch company property starch, it is 10 times of branch company property starch to add water;
3-4 parts of glycerine;
3-4 parts of dietary alkali adds water for 10 times of dietary alkali.
5. a kind of edible degradation plastic made of konjaku according to claim 1,2,3 or 4, it is characterised in that: The konjaku powder refers to the konjaku flour of -300 mesh of 60 mesh;The branch company property starch refers to branch company property staple food grain, coarse cereals or dry fruit warp It crushes, fineness is granular material more than 120 mesh after screening.
6. a kind of edible degradation plastic made of konjaku according to claim 5, it is characterised in that:The Zhi Lian Property starch refer to that glutinous rice, waxy corn or Semen setariae, the Chinese chestnut fineness after crushing, screening are granular materials more than 120 mesh.
7. a kind of edible degradation plastic made of konjaku according to any claim in claim 1-6, It is characterized in that:It makes in the steps below;
Konjaku powder is ground into the granular material of 60-300 mesh, obtain A product A,;
B, branch company property starch is ground into more than 120 mesh granular material, obtains B product;
C, A product are placed in reciprocating sieve, is spilled into the water and is stirred, obtain C product;
D, B product are poured into water and stirred evenly, obtain D product;
E, C product and D product are mixed, when standing 1-2 is small after stirring evenly, obtains E product;
F, glycerine is poured into E product and be uniformly mixed, obtain F product;
G, dietary alkali is poured into water to form edible lye, then edible lye is poured into F product and is uniformly mixed, obtain G product;
H, G product are squeezed into mold, when standing 3 is small in 30 DEG C -50 DEG C of environment, obtains H product;
I, H product are put into 90 DEG C -100 DEG C of steam boiler or tank and steamed 40 minutes, obtain I product;
J, I product are air-dried, obtains finished product.
CN201810135349.4A 2018-02-09 2018-02-09 A kind of edible degradation plastic made of konjaku Pending CN108047505A (en)

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Publication number Priority date Publication date Assignee Title
CN111286210A (en) * 2020-03-24 2020-06-16 张红丽 Environment-friendly full-degradable plastic and production method thereof
WO2020244053A1 (en) * 2019-06-03 2020-12-10 任智猛 Edible coffee cup and preparation method therefor
WO2020258455A1 (en) * 2019-06-26 2020-12-30 任智猛 Environment-friendly edible tubular article and preparation method therefor

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020244053A1 (en) * 2019-06-03 2020-12-10 任智猛 Edible coffee cup and preparation method therefor
WO2020258455A1 (en) * 2019-06-26 2020-12-30 任智猛 Environment-friendly edible tubular article and preparation method therefor
CN111286210A (en) * 2020-03-24 2020-06-16 张红丽 Environment-friendly full-degradable plastic and production method thereof

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Application publication date: 20180518