CN1267502C - Protein film and its preparation method - Google Patents
Protein film and its preparation method Download PDFInfo
- Publication number
- CN1267502C CN1267502C CN 200410011190 CN200410011190A CN1267502C CN 1267502 C CN1267502 C CN 1267502C CN 200410011190 CN200410011190 CN 200410011190 CN 200410011190 A CN200410011190 A CN 200410011190A CN 1267502 C CN1267502 C CN 1267502C
- Authority
- CN
- China
- Prior art keywords
- livestock
- scleroprotein
- poultry hair
- hair angle
- dry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention provides a protein film and a preparation method thereof, wherein the protein film is prepared by utilizing feather and horn scleroprotein of livestock and poultries comprising a large quantity of livestock fur and poultry feathers, such as chicken feathers, duck feathers, goose feather, waste pig fur, cattle fur and wool, and livestock horns, such as cattle horns, sheep horns, pig feet, cattle feet, sheep feet shells, etc. at present through the technologies of softening, grinding, hydrolyzing, etc. The protein film can be made into non-watertight protein films and water-proof protein films with different specifications, and becomes a substitute for full-degradation pollution-free plastic mulching films, or plastic films or packing paper. Intermediate products of albumen glue obtained in the preparation process of the protein film can be used as pollution-free binding agents for the industries of chemical engineering, printing and dyeing, etc. The present invention has the advantages of rich raw material, simple technology, no need of complicated special equipment, low cost, comprehensive utilization, no pollution to environment, wide application range, great popularization value, etc.; the present invention can generate great social and economic benefits after being implemented.
Description
Technical field
The present invention relates to a kind of protein film that utilizes the scleroprotein manufacturing of livestock and poultry hair angle and preparation method thereof.
Background technology
At present a large amount of livestock and poultry hairs such as bird chicken and duck goose feather, the useless pig, cattle and sheep hair of domestic animals, livestock horn such as cattle and sheep angle, pig, cattle and sheep coffin etc., the present invention is referred to as livestock and poultry hair angle scleroprotein with these raw materials.These livestock and poultry hair angle scleroprotein mostly abandon as rubbish, and serious contaminate environment is not reasonably developed.
Summary of the invention
The purpose of this invention is to provide a kind of protein film that utilizes livestock and poultry hair angle scleroprotein can substitute agripast film or packing film for the raw material manufacturing.
Protein film major ingredient of the present invention is a protein, and following method makes for raw material adopts to utilize livestock and poultry hair angle scleroprotein:
(1) clean to dry: with clear water foreign material such as the blood of adhering on the scleroprotein of livestock and poultry hair angle, ight soil, sandy soil are cleaned up the back and dry, livestock horn coffin section back is cleaned and is dried;
(2) softening pressing dry: add the strong base solution of the 0.4-1.0% that did not have livestock and poultry hair angle scleroprotein, soaked at ambient temperature 24-96 hour, press dry and reclaim alkali lye after making the scleroprotein deliquescing of livestock and poultry hair angle;
(3) pulverize: the livestock and poultry hair angle scleroprotein after will softening pulverizes;
(4) hydrolysis: the aqueous solution of protease immersion that adds the 0.1-1.5 ‰ the livestock and poultry hair angle scleroprotein after not pulverizing is after 12-48 hour, boils to be hydrolyzed into livestock and poultry hair angle scleroprotein and to become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) system film: with the albumin glue heating in water bath and add toughener, softening agent and film, dry, take off film after stirring, protein film.
Another object of the present invention provides the preparation method of this protein film.
Protein film of the present invention is a raw material with livestock and poultry hair angle scleroprotein, adopts following method preparation:
(1) clean to dry: with clear water foreign material such as the blood of adhering on the scleroprotein of livestock and poultry hair angle, ight soil, sandy soil are cleaned up the back and dry, livestock horn coffin section back is cleaned and is dried;
(2) softening pressing dry: add the strong base solution of the 0.4-1.0% that did not have livestock and poultry hair angle scleroprotein, soaked at ambient temperature 24-96 hour, press dry and reclaim alkali lye after making the scleroprotein deliquescing of livestock and poultry hair angle;
(3) pulverize: the livestock and poultry hair angle scleroprotein after will softening pulverizes;
(4) hydrolysis: the aqueous solution of protease immersion that adds the 0.1-1.5 ‰ the livestock and poultry hair angle scleroprotein after not pulverizing is after 12-48 hour, boils to be hydrolyzed into livestock and poultry hair angle scleroprotein and to become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) system film: with the albumin glue heating in water bath and add toughener, softening agent and film, dry, take off film after stirring, protein film.
To variegated livestock and poultry hair angle scleroprotein is softening press dry after, use 3-8%H
2O
2Solution, be dipped under the 60-90 ℃ of condition colourless after, filter and also to reclaim H
2O
2
Highly basic among the present invention can be selected NaOH, KOH etc. for use.Proteolytic enzyme can be selected stomach en-, trypsinase, Sumizyme MP etc. for use.During the system film, adopt prior art to add toughener, softening agent, toughener can be selected polyvinyl alcohol, carboxymethyl cellulose etc. for use, and softening agent can be selected glycerol, ethylene glycol, Triethylene glycol etc. for use.
The present invention also comprises intermediate albumin glue and preparation method thereof.
To promptly get intermediate solid protein glue of the present invention after the dry cooling of gained albumin glue among the preparation method (4).
Protein film main component of the present invention is a protein, and its purposes is very extensive.Can be made into non-watertight protein film, the waterproof protein film of different size, become the high-fall free of contamination plastic film surrogate of separating.Non-watertight protein film can be made mulch film and use, and reaches the increase accumulated temperature effect of plastic film, and the non-watertight protein film in back that arrives rainy season is just water-soluble, and it is very favourable to plant-growth to become organic nitrogenous fertilizer, has both reduced the pollution of plastics to environment, has increased fertilizer again.The alternative agripast film of waterproof protein film, substituted for plastic or paper can high-fallly be separated free from environmental pollution as packing material.The intermediate albumin glue of gained in the protein film preparation process can be used as free of contamination tackiness agent and is used for industries such as chemical industry, printing and dyeing.
The present invention have abundant raw material, technology simple, need not that complicated specific equipment, cost are low, comprehensive utilization, advantage such as free from environmental pollution, range of application is very extensive, has very big promotional value, will produce than great society benefit and economic benefit after the enforcement.
Embodiment
Below in conjunction with embodiment that provides and test example the present invention is further described.The invention is not restricted to embodiment, the equivalence change of being done with technical solution of the present invention all belongs in the protection domain of the present invention.
Embodiment 1: make non-watertight protein film with the pig hair as raw material
Select 1000 kilograms of variegated pig hair raw materials to make protein film, its technological process is as follows:
(1) removes the bulk foreign material that are mixed in the pig hair, in industry washer, foreign material such as the blood of adhering on the pig hair, ight soil, sandy soil are cleaned up the back with clear water again and dry;
(2) the pig hair is put into stainless steel tank, add the 1%NaOH aqueous solution do not have the pig hair, soaked at ambient temperature 96 hours, press dry and reclaim alkali lye with squeezing machine after making the deliquescing of pig hair;
(3) the pig hair after will softening is sent into and is pulverized into 10 order coarse grain in the mill formula pulverizer;
(4) the pig hair after will pulverizing is put into stainless steel tank, adds the 6%H that did not have the pig hair
2O
2Solution be dipped under 70 ℃ of conditions colourless after, send pressure filter to filter and reclaim filtrate;
(5) the pig hair after will filtering is put into Stainless Steel Kettle, adds the 1.5 ‰ stomach en-aqueous solution soaking after 24 hours that no pig hair, boils the pig hair to be hydrolyzed into become sticky till the thick no solid substance under normal pressure, must albumin glue;
(6) with albumin glue heating in water bath to 70 ℃, reduce viscosity to easily stirring, toughener solution and 30 kilograms of glycerol softening agent of adding the polyvinyl alcohol preparation of 300 kilograms of polymerization degree 1750, stir, coating thickness 0.012mm, under 100 ℃ of conditions, dry, take off film and get 1250 kilograms of non-watertight protein films.
The polyvinyl alcohol solution compound method: under agitation polyvinyl alcohol is poured in the boiling water of 10 times of amounts, to molten, static froth breaking.
Embodiment 2: make non-watertight protein film with chicken feather as raw material
Select 1000 kilograms of white chicken feather raw materials to make protein film, its technological process is as follows:
(1) removes the bulk foreign material that are mixed in the chicken feather, in industry washer, foreign material such as the blood of adhering on the chicken feather, ight soil, sandy soil are cleaned up the back with clear water again and dry;
(2) chicken feather is put into stainless steel tank, added the 0.4%NaOH aqueous solution do not have chicken feather, soaked at ambient temperature 72 hours, press dry and reclaim alkali lye with squeezing machine after making the chicken feather deliquescing;
(3) chicken feather after will softening is sent into and is pulverized into 10 order coarse grain in the mill formula pulverizer;
(4) chicken feather after will pulverizing is put into Stainless Steel Kettle, adds the 0.1 ‰ Sumizyme MP aqueous solution soaking after 12 hours that no chicken feather, boils the chicken feather dissolving is become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) with albumin glue heating in water bath to 65 ℃, reduce viscosity to easily stirring, toughener solution and 35 kilograms of Triethylene glycol softening agent of adding the polyvinyl alcohol preparation of 350 kilograms of polymerization degree 1750, stir, coating thickness 0.02mm, under 100 ℃ of conditions, dry, take off film and get 1300 kilograms of non-watertight protein films.
The polyvinyl alcohol solution compound method is with embodiment 1.
Embodiment 3: make raw material with the cattle and sheep angle and make the waterproof protein film
Select 100 kilograms of variegated cattle and sheep angle raw materials to make protein film, its technological process is as follows:
(1) sheet is cut into slicing machine in the cattle and sheep angle after, in industry washer, foreign material such as the blood of adhering on the cattle and sheep angle, ight soil, sandy soil are cleaned up the back with clear water and dry;
(2) stainless steel tank is put at the cattle and sheep angle, added the 0.8%KOH aqueous solution do not have the cattle and sheep angle, soaked at ambient temperature 72 hours, press dry and reclaim alkali lye with squeezing machine after making the deliquescing of cattle and sheep angle;
(3) the cattle and sheep angle after will softening is sent into and is pulverized into 10 order coarse grain in the mill formula pulverizer;
(4) stainless steel tank is put at the cattle and sheep angle after will pulverizing, and adds the 4%H that did not have the cattle and sheep angle
2O
2Solution be dipped under 70 ℃ of conditions colourless after, send pressure filter to filter and reclaim filtrate;
(5) Stainless Steel Kettle is put at the cattle and sheep angle after will filtering, and adds the 0.5 ‰ trypsinase aqueous solution soaking after 48 hours that no cattle and sheep angle, boils the dissolving of cattle and sheep angle is become sticky till the thick no solid substance under normal pressure, must albumin glue;
(6) with albumin glue heating in water bath to 70 ℃, reduce viscosity to easily stirring, add toughener solution and 15 kilograms of glycerol softening agent of the polyvinyl alcohol preparation of 25 kilograms of polymerization degree 1750, stir, coating thickness 1mm is dried under 100 ℃ of conditions, takes off film and gets protein film;
(7) painting water-proof adhesive gets 120 kg waterproof protein film on protein film.
The polyvinyl alcohol solution compound method is identical with embodiment 1.
Test example 1: non-watertight protein film Performance Detection
The non-watertight protein film of embodiment 1 gained send Jilin Province's plastic prod quality monitoring testing station to detect, and detected result is as follows.
Examining report
Inspection (committee) word (2004) is moulded No. 2073 by province
| Name of product | Non-watertight protein film | ||
| The censorship unit | Ability scape will | To the sample date | On April 12nd, 2004 |
| Sample size | 1m 2 | Date manufactured | In October, 2003 |
| Detect foundation | GB4455-94 | ||
| Test item | Detected result | ||
| Outward appearance | Faint yellow film, pliable and tough, solid, transparent, lighted the flavor of obviously singing.Be dissolved in hot water, anti-a small amount of cold water, lower temperature resistance is good. | ||
| Composition | Crude protein content 49.2% | ||
| Tensile strength Mpa | 14 | ||
| Elongation at break % | 144 | ||
| Angle tear strength KN/m | 122 | ||
The non-watertight protein film main component of conclusion: embodiment 1 gained is a protein, and product physical and mechanical properties leading indicator reaches " agricultural polyethylene blown film " premium grads national standard requirement.
Test example 2: non-watertight protein film degradation property test
The non-watertight protein film of embodiment 2 gained (October calendar year 2001 date manufactured) with after non-watertight protein film of embodiment 2 gained new systems (in April, 2004 date manufactured) and the weather aging degraded send Jilin Province product quality supervision and inspection institute to detect, and detected result is as follows.
Examining report
№：XS-2004169
| Name of product | Non-watertight protein film | ||||
| The censorship unit | Ability scape will | To the sample date | On June 10th, 2004 | ||
| Sample size | 0.3m 2 | Date manufactured | 23 days October calendar year 2001 of new film old film on April 8th, 2004 | ||
| Detect foundation | HJBZ12-2000 | ||||
| Test item | Detected result | ||||
| The non-watertight protein film of new system (2004.4.8) | Protein film behind the degradation with aging (2001.10.23) | ||||
| Tensile strength Mpa | 10 | 6 | |||
| Elongation at break % | 172 | 13 | |||
| Reserved elongation at break % | 7.5 | ||||
Conclusion; The non-watertight protein film of embodiment 2 gained meets the requirement of photodegradation type film packing articles degraded reserved elongation at break≤10% in the requirement of State Bureau of Environmental Protection packing articles environmental labelling product authentication techniques, and this product can be degraded under state of nature fully.
Test example 3: waterproof protein film Performance Detection
Embodiment 3 gained waterproof protein films send Jilin Province's plastic prod quality monitoring testing station to detect, and detected result is as follows.
Examining report
Inspection (committee) word (2004) is moulded No. 2083 by province
| Name of product | The waterproof protein film | ||
| The censorship unit | Ability scape will | To the sample date | On April 12nd, 2004 |
| Sample size | 0.5m 2 | Date manufactured | In October, 2003 |
| Detect foundation | GB4455-94 | ||
| Test item | Detected result | ||
| Outward appearance | Faint yellow film, pliable and tough, solid, transparent, lighted the flavor of obviously singing.Be dissolved in hot water, anti-a small amount of cold water, lower temperature resistance is good. | ||
| Composition | Crude protein content 44.9% | ||
| Tensile strength Mpa | 12 | ||
| Elongation at break % | 139 | ||
| Angle tear strength KN/m | 106 | ||
Conclusion: embodiment 3 gained waterproof protein film main components are protein, and product physical and mechanical properties leading indicator reaches " agricultural polyethylene blown film " acceptable end product national standard requirement.
Embodiment 4: make raw material with chicken feather and make albumin glue
Select 100 kilograms of variegated chicken feather raw materials to make albumin glue, its technological process is as follows:
(1) removes the bulk foreign material that are mixed in the chicken feather, in industry washer, foreign material such as the blood of adhering on the chicken feather, ight soil, sandy soil are cleaned up the back with clear water again and dry;
(2) chicken feather is put into stainless steel tank, added the 1%NaOH aqueous solution do not have chicken feather, soaked at ambient temperature 48 hours, press dry and reclaim alkali lye with squeezing machine after making the chicken feather deliquescing;
(3) chicken feather after will softening is sent into and is pulverized into 10 order coarse grain in the mill formula pulverizer;
(4) chicken feather after will pulverizing is put into stainless steel tank, adds the 5%H that did not have chicken feather
2O
2Solution be dipped under 60 ℃ of conditions colourless after, send pressure filter to filter and reclaim filtrate;
(5) chicken feather after will filtering is put into Stainless Steel Kettle, adds the 0.1 ‰ Sumizyme MP aqueous solution soaking after 15 hours that no chicken feather, boils chicken feather is become sticky till the thick no solid substance under normal pressure, must 90 kilograms of block albumin glues after the dry cooling.
Embodiment 4 gained albumin glues after testing, outward appearance: faint yellow block, translucent, tangible hair smell is arranged after the burning; Each component content wherein: crude protein 〉=79%, moisture content≤5%, carbohydrate≤10%, ash≤3%.
This albumin glue is nontoxic, and poisonous tackiness agents such as alternative trimerization oxyammonia or urea-formaldehyde resin are used for the production of cutlery box or some packing material, and also alternative gelatin is used in industries such as chemical industry, printing and dyeing, and cost is starkly lower than gelatin.
Claims (5)
1, a kind of protein film, following method makes for raw material adopts to it is characterized in that utilizing livestock and poultry hair angle scleroprotein:
(1) clean drying: with clear water blood, ight soil, the sandy soil of adhering on the scleroprotein of livestock and poultry hair angle are cleaned up the back and dry, livestock horn coffin section back cleaning dries;
(2) softening pressing dry: add the strong base solution of the 0.4-1.0% that did not have livestock and poultry hair angle scleroprotein, soaked at ambient temperature 24-96 hour, press dry and reclaim alkali lye after making the scleroprotein deliquescing of livestock and poultry hair angle;
(3) pulverize: the livestock and poultry hair angle scleroprotein after will softening pulverizes;
(4) hydrolysis: the aqueous solution of protease immersion that adds the 0.1-1.5 ‰ the livestock and poultry hair angle scleroprotein after not pulverizing is after 12-48 hour, boils to be hydrolyzed into livestock and poultry hair angle scleroprotein and to become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) system film: with the albumin glue heating in water bath and add toughener, softening agent and film, dry, take off film after stirring, protein film,
Described highly basic is NaOH or KOH; Proteolytic enzyme is stomach en-, trypsinase or Sumizyme MP; Toughener is polyvinyl alcohol or carboxymethyl cellulose; Softening agent is glycerol, ethylene glycol or Triethylene glycol.
2, a kind of preparation method of protein film according to claim 1 is a raw material with livestock and poultry hair angle scleroprotein, it is characterized in that adopting following method preparation:
(1) clean drying: with clear water blood, ight soil, the sandy soil of adhering on the scleroprotein of livestock and poultry hair angle are cleaned up the back and dry, livestock horn coffin section back cleaning dries;
(2) softening pressing dry: add the strong base solution of the 0.4-1.0% that did not have livestock and poultry hair angle scleroprotein, soaked at ambient temperature 24-96 hour, press dry and reclaim alkali lye after making the scleroprotein deliquescing of livestock and poultry hair angle;
(3) pulverize: the livestock and poultry hair angle scleroprotein after will softening pulverizes;
(4) hydrolysis: the aqueous solution of protease immersion that adds the 0.1-1.5 ‰ the livestock and poultry hair angle scleroprotein after not pulverizing is after 12-48 hour, boils to be hydrolyzed into livestock and poultry hair angle scleroprotein and to become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) system film: with the albumin glue heating in water bath and add toughener, softening agent and film, dry, take off film after stirring, protein film,
Described highly basic is NaOH or KOH; Proteolytic enzyme is stomach en-, trypsinase or Sumizyme MP; Toughener is polyvinyl alcohol or carboxymethyl cellulose; Softening agent is glycerol, ethylene glycol or Triethylene glycol.
3, according to the preparation method of the protein film of claim 2, it is characterized in that to variegated livestock and poultry hair angle scleroprotein is softening press dry after, use 3-8%H
2O
2Solution, be dipped under the 60-90 ℃ of condition colourless after, filter and also to reclaim H
2O
2
4, a kind of albumin glue, following method makes for raw material adopts to it is characterized in that utilizing livestock and poultry hair angle scleroprotein:
(1) clean drying: with clear water blood, ight soil, the sandy soil of adhering on the scleroprotein of livestock and poultry hair angle are cleaned up the back and dry, livestock horn coffin section back cleaning dries;
(2) softening pressing dry: add the strong base solution of the 0.4-1.0% that did not have livestock and poultry hair angle scleroprotein, soaked at ambient temperature 24-96 hour, press dry and reclaim alkali lye after making the scleroprotein deliquescing of livestock and poultry hair angle;
(3) pulverize: the livestock and poultry hair angle scleroprotein after will softening pulverizes;
(4) hydrolysis: the aqueous solution of protease immersion that adds the 0.1-1.5 ‰ the livestock and poultry hair angle scleroprotein after not pulverizing is after 12-48 hour, boils to be hydrolyzed into livestock and poultry hair angle scleroprotein and to become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) will get solid protein glue after the dry cooling of gained albumin glue in (4),
Described highly basic is NaOH or KOH; Proteolytic enzyme is stomach en-, trypsinase or Sumizyme MP; Toughener is polyvinyl alcohol or carboxymethyl cellulose; Softening agent is glycerol, ethylene glycol or Triethylene glycol.
5, a kind of method for preparing albumin glue as claimed in claim 4 is a raw material with livestock and poultry hair angle scleroprotein, it is characterized in that adopting following method preparation:
(1) clean drying: with clear water blood, ight soil, the sandy soil of adhering on the scleroprotein of livestock and poultry hair angle are cleaned up the back and dry, livestock horn coffin section back cleaning dries;
(2) softening pressing dry: add the strong base solution of the 0.4-1.0% that did not have livestock and poultry hair angle scleroprotein, soaked at ambient temperature 24-96 hour, press dry and reclaim alkali lye after making the scleroprotein deliquescing of livestock and poultry hair angle;
(3) pulverize: the livestock and poultry hair angle scleroprotein after will softening pulverizes;
(4) hydrolysis: the aqueous solution of protease immersion that adds the 0.1-1.5 ‰ the livestock and poultry hair angle scleroprotein after not pulverizing is after 12-48 hour, boils to be hydrolyzed into livestock and poultry hair angle scleroprotein and to become sticky till the thick no solid substance under normal pressure, must albumin glue;
(5) will get solid protein glue after the dry cooling of gained albumin glue in (4),
Described highly basic is NaOH or KOH; Proteolytic enzyme is stomach en-, trypsinase or Sumizyme MP; Toughener is polyvinyl alcohol or carboxymethyl cellulose; Softening agent is glycerol, ethylene glycol or Triethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410011190 CN1267502C (en) | 2004-10-31 | 2004-10-31 | Protein film and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410011190 CN1267502C (en) | 2004-10-31 | 2004-10-31 | Protein film and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631983A CN1631983A (en) | 2005-06-29 |
| CN1267502C true CN1267502C (en) | 2006-08-02 |
Family
ID=34845580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410011190 Expired - Fee Related CN1267502C (en) | 2004-10-31 | 2004-10-31 | Protein film and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1267502C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921572B (en) * | 2010-08-10 | 2012-07-25 | 刘雷 | Method for making amino albumin powder capable of capturing formaldehyde |
| CN103168827B (en) * | 2013-04-01 | 2014-08-06 | 肇庆学院 | Method for preparing freshness-retaining film through Maillard reaction of collagen and chitosan |
| CN108373544B (en) * | 2018-02-06 | 2021-02-02 | 安徽工程大学 | Preparation method of nano feather down protein fiber membrane |
| CN110041881B (en) * | 2019-04-29 | 2021-06-18 | 葛洪伟 | Damaged egg repairing agent and using method thereof |
-
2004
- 2004-10-31 CN CN 200410011190 patent/CN1267502C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1631983A (en) | 2005-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Thiagamani et al. | Utilization of chemically treated municipal solid waste (spent coffee bean powder) as reinforcement in cellulose matrix for packaging applications | |
| Yeng et al. | Modified corn cob filled chitosan biocomposite films | |
| CN111117178A (en) | Degradable mulching film and preparation method thereof | |
| CN102259368A (en) | Full-biomass enhanced fibreboard | |
| CN101333774B (en) | Process for making full-degradable paper mulching film for agricultural use from agronomic crop stalks | |
| CN1267502C (en) | Protein film and its preparation method | |
| CN101134335A (en) | Method of producing biological degradation corn stalk fiber board with bionic structure | |
| CN101805461A (en) | Bio-based composite material and preparation method and application thereof | |
| CN104910441A (en) | Agriculture plastic film capable of increasing soil activity directly after degradation and preparation method thereof | |
| WO2019198104A1 (en) | Adhesive incorporating non-biodegradable cellulosic waste | |
| CN111139030A (en) | Enzyme modified biomacromolecule wood adhesive and preparation method thereof | |
| CN113980364B (en) | Thermoplastic starch resin and application thereof in food packaging material | |
| Apriani et al. | Preliminary investigation of bioplastics from durian seed starch recovery using PEG 400 for reducing marine debris | |
| Bhowmik et al. | Influence of natural crosslinker and fibre weightage on waste kibisu fibre reinforced wheatgluten biocomposite | |
| CN114685954A (en) | Degradable master batch for tableware and preparation method thereof | |
| CN108727703B (en) | Preparation method of crosslinked modified straw fiber/PP wood-plastic composite material and obtained product | |
| CN113622054A (en) | Preparation method of multi-grade chitin micro/nano fiber material | |
| Nwabanne et al. | Effect of palmyra palm fiber filler on properties of natural rubber vulcanizate | |
| Bhowmik et al. | The synergistic influence of lemon extract on the physio-chemical properties of Kibisu silk reinforced wheat gluten biocomposite | |
| CN101921572B (en) | Method for making amino albumin powder capable of capturing formaldehyde | |
| CN112080114B (en) | Degradable plastic master batch and preparation method of degradable plastic | |
| CN111253625A (en) | High-temperature-resistant plastic cloth | |
| Bello et al. | Characterization of bioplastics produced from yam and potato peels using hydrochloric and acetic acids | |
| CN111484590B (en) | Preparation method and application of feather keratin modified urea-formaldehyde resin | |
| Mitra et al. | Biodegradable Sheet from Chitosan and Arrowroot Starch by Compression Moulding and its Properties |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WANG YITONG Free format text: FORMER OWNER: CAI JINGZHI Effective date: 20120724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 132011 JILIN, JILIN PROVINCE TO: 130021 CHANGCHUN, JILIN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120724 Address after: 1 unit 35, Tonghua Road, Nanguan District, Jilin, Changchun 403, China 130021 Patentee after: Wang Yitong Address before: 132011, west gate, building 2, building 36, block 1, Songbei,, Jilin, Jilin Patentee before: Cai Jingzhi |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Yitong Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060802 Termination date: 20131031 |