CN108395580A - The preparation method of agriculture gurry degradable composite material for food packaging - Google Patents
The preparation method of agriculture gurry degradable composite material for food packaging Download PDFInfo
- Publication number
- CN108395580A CN108395580A CN201710303881.8A CN201710303881A CN108395580A CN 108395580 A CN108395580 A CN 108395580A CN 201710303881 A CN201710303881 A CN 201710303881A CN 108395580 A CN108395580 A CN 108395580A
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- Prior art keywords
- agriculture
- gurry
- plant waste
- carried out
- plant
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Classifications
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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
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention discloses a kind of production methods of plant material degrading composite, include the following steps：The cleaning ungrease treatment of plant waste：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content 50% to 60%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：A length of 24 to the 36 hours dewatering operations when being carried out to aqueous plant waste between 70 to 80 DEG C；Acid system degerming, degreasing are carried out to the plant waste；Binder is added in the plant waste：Using the one or two of internal sizing, starch, resin or waterglass, and the mass percent of binder and plant waste is 35: 1；The plant waste is processed molding.The beneficial effects of the invention are as follows：The present invention is subject to starch using agricultural wastes as major ingredient, fiber and other material blending is modified, and all raw materials are biodegradable.
Description
Technical field
The present invention relates to chemical industry packaging production field more particularly to a kind of preparation methods of agriculture gurry degrading composite.
Background technology
With the great attention of the food-safe problem of people, the safety of packaging material for food is also more closed by the public
Note, green, safe and environment-friendly food packaging material also become the demand in market.A large amount of agriculture gurry (such as beans stalk, beanpod, wheats in life
Stalk, potato peel etc.) arbitrarily abandoned, it is not only the waste to resource, and the destruction to environment.Existing scheme majority uses shallow lake
Powder-plant fiber complex is raw basin associated materials, and the not extensive use in packaging material for food of most of materials,
Emphasis is only that in the modification of starch and cellulose.It is now related to natural plant fibre modification to use starch as bonding more
Agent, by related physical and chemical method, includes mainly the following since starch itself does not have plasticity：1, make starch
Molecular mass reduces, such as acidolysis and oxidation；2, increase starch molecule quality, such as crosslinking, esterification, etherificate and grafting；3, physics
Method has following addition modifying agent, pre-gelatinized, gamma-rays processing, mechanical lapping processing, is allowed to by these methods etc. and fiber
It is formed by composite materials property enhancing, plant fiber modification mainly has alkali process and surface to connect the modification of branch method.
Invention content
Present invention aim to address prepare the problem of material cannot make full use of in the prior art.
The technical solution adopted by the present invention is：A kind of production method of plant material degrading composite, including following step
Suddenly, the cleaning ungrease treatment of agriculture gurry.Washing：Watering work is carried out to agriculture gurry, its surface is made to immerse moisture, whole water content
50%-60% (keeping environment ventilation)；Rough lapping：Preliminary grinding, grain size≤300 μm are carried out to aqueous agriculture gurry；High temperature
It bakes：The dehydration of a length of 24-36h when being carried out to aqueous agriculture gurry between 70-80 DEG C；Acid system is carried out to the agriculture gurry
Degerming, degreasing (including but not limited to hydrochloric acid, hypochlorous acid, hypochlorite).Binder is added in the agriculture gurry：It is applied using interior
The one or more of glue, starch, resin or waterglass, and the mass percent of binder and agriculture gurry is 3: 1~2.5, high speed
It stirs uniform；Filler, auxiliary agent are added according to the ratio；The agriculture gurry is processed molding.
As a further improvement on the present invention, which is characterized in that contain rich in agriculture gurry fiber in the agriculture gurry
Agricultural raw material, content >=70%.
As a further improvement on the present invention, the agricultural raw material rich in plant fiber contained in the agriculture gurry is wheat
One or more of stalk, beans stalk, beanpod, cornstalk etc..
As a further improvement on the present invention, which is characterized in that auxiliary agent is added by formula in the agriculture gurry, and the auxiliary agent is
Filler is added by formula in one or more of plasticizer, biological assistant, lubricant, coupling agent or releasing agent, and told filler is
One or more of food-grade PP, PE, calcium carbonate etc..
As a further improvement on the present invention, the raw material is crushed by Material disintegrator and is uniformly mixed, spray ethanol/water
=2: 3 solution stir 4h at 60-75 DEG C.
As a further improvement on the present invention, which is characterized in that in the agriculture gurry：Agriculture gurry fiber：55 to 75%, it sticks
Mixture：12 to 35%, auxiliary component：3 to 5%, auxiliary component：5 to 10%, residual impurity.As further changing for the present invention
Into moulding process has：Compression molding, injection moulding, extrusion molding and laminated into type.
The beneficial effects of the invention are as follows：(1) present invention is subject to binder, auxiliary agent, filler etc. by major ingredient of agricultural wastes
Material blending is modified, and all raw materials are biodegradable.Prepare a kind of environmentally friendly, degradable green packing timber
Material opens up new way for agricultural wastes comprehensive utilization；(2) present invention prepares one kind for raw material using agricultural wastes and can be used for
The green safe material of food packaging has following advantage：1, it to agricultural wastes makes full use of, reduces environmental pollution；2、
Food packaging safety is set favorably to be ensured.
Specific implementation mode
The present invention is described further below.
Embodiment 1：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
50%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：At 70 DEG C to aqueous plant waste
A length of 24 hours dewatering operations when progress；Acid system degerming, degreasing are carried out to the plant waste；In the plant waste
Middle addition binder：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will be described
Plant waste is processed molding.
Embodiment 2：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
60%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：It is useless to aqueous plant between 80 DEG C
Gurry a length of 36 hours dewatering operations when carrying out；Acid system degerming, degreasing are carried out to the plant waste；It is useless in the plant
Binder is added in gurry：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will
The plant waste is processed molding.
Embodiment 3：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
50%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：At 70 DEG C to aqueous plant waste
A length of 24 hours dewatering operations when progress：Acid system degerming, degreasing are carried out to the plant waste；In the plant waste
Middle addition binder：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will be described
Plant waste is processed molding, contains the agricultural raw material rich in plant fiber in the plant waste, content is
87%.
Embodiment 4：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
50%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：At 70 DEG C to aqueous plant waste
A length of 24 hours dewatering operations when progress；Acid system degerming, degreasing are carried out to the plant waste；In the plant waste
Middle addition binder：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will be described
Plant waste is processed molding, contains the agricultural raw material rich in plant fiber in the plant waste, content is
87%.The agricultural raw material rich in plant fiber contained in the plant waste is straw, beans stalk.
Embodiment 5：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
60%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：It is useless to aqueous plant between 80 DEG C
Gurry a length of 36 hours dewatering operations when carrying out；Acid system degerming, degreasing are carried out to the plant waste；It is useless in the plant
Binder is added in gurry：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will
The plant waste is processed molding, and auxiliary agent is added in the plant waste, and the auxiliary agent is additive, plasticizer.
Embodiment 6：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
60%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：It is useless to aqueous plant between 80 DEG C
Gurry a length of 36 hours dewatering operations when carrying out；Acid system degerming, degreasing are carried out to the plant waste；It is useless in the plant
Binder is added in gurry：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will
The plant waste is processed molding, is added auxiliary agent in the plant waste, and the auxiliary agent is additive, plasticizer,
The plant waste is crushed by Material disintegrator and is uniformly mixed, is stirred at high vacuum in a kettle and 60 DEG C.
Embodiment 7：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
60%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：It is useless to aqueous plant between 80 DEG C
Gurry a length of 36 hours dewatering operations when carrying out；Acid system degerming, degreasing are carried out to the plant waste；It is useless in the plant
Binder is added in gurry：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will
The plant waste is processed molding, is added auxiliary agent in the plant waste, and the auxiliary agent is additive, plasticizer,
The plant waste is crushed by Material disintegrator and is uniformly mixed, is stirred at high vacuum in a kettle and 75 DEG C.
Embodiment 8：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
60%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：It is useless to aqueous plant between 80 DEG C
Gurry a length of 36 hours dewatering operations when carrying out；Acid system degerming, degreasing are carried out to the plant waste；It is useless in the plant
Binder is added in gurry：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will
The plant waste is processed molding, is added auxiliary agent in the plant waste, and the auxiliary agent is additive, plasticizer,
In the plant waste：Plant fiber：60%, bonding is squeezed：12%, auxiliary component：3%, residual impurity.
Embodiment 9：Embodiment 1：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant is useless
The cleaning ungrease treatment of gurry：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, keeps waste whole
Body water content is 50%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：At 70 DEG C to aqueous plant
Object waste a length of 24 hours dewatering operations when carrying out；Acid system degerming, degreasing are carried out to the plant waste；In the plant
Binder is added in object waste；Using the one or two of internal sizing, starch, resin or waterglass, and binder and plant
The mass percent of waste is 3.1: 2.5；The plant waste is processed molding.
Embodiment 10：A kind of production method of agriculture gurry degrading composite, includes the following steps：Plant waste it is clear
Clean ungrease treatment：Washing：Watering work is carried out to plant waste, so that its surface is immersed moisture, makes waste entirety water content
50%；Rough lapping：Preliminary grinding is carried out to aqueous plant waste；High temperature bakes：At 70 DEG C to aqueous plant waste
A length of 24 hours dewatering operations when progress；Acid system degerming, degreasing are carried out to the plant waste；In the plant waste
Middle addition binder：The use of the mass percent of internal sizing, starch, and binder and plant waste is 3.1: 2.5；It will be described
Plant waste is processed molding, and moulding process has：Compression molding, injection moulding, extrusion molding and laminated into type.
Those skilled in the art, can also be it is to be understood that the protection scheme of the present invention is not limited only to the above embodiments
Various permutation and combination and transformation are carried out on the basis of above-described embodiment, under the premise of without prejudice to spirit of that invention, to the present invention
The various transformation carried out are all fallen in protection scope of the present invention.
Claims (7)
1. a kind of production method of agriculture gurry degradable composite material for food packaging material, which is characterized in that including following step
Suddenly：
A) the cleaning ungrease treatment of agriculture gurry：
(1) it washes：Watering work is carried out to agriculture gurry, its surface is made to immerse moisture, whole water content (is kept in 50%-60%
Environment ventilation)；
(2) rough lapping：Preliminary grinding, grain size≤300 μm are carried out to aqueous agriculture gurry；
(3) high temperature bakes：The dehydration of a length of 24-36h when being carried out to aqueous agriculture gurry between 70-80 DEG C；
(4) acid system degerming, degreasing (including but not limited to hydrochloric acid, hypochlorous acid, hypochlorite) are carried out to the agriculture gurry；
B) binder is added in the agriculture gurry：Using the one or more of internal sizing, starch, resin or waterglass, and it is glutinous
The mass percent of mixture and plant waste is 3.1: 2.5, and high-speed stirred is uniform；
C) filler, auxiliary agent are added according to the ratio；
D) the agriculture gurry is processed molding.
2. the production method of agriculture gurry feed degradation composite material according to claim 1, which is characterized in that the agriculture
Contain the agricultural raw material rich in agriculture gurry fiber, content >=70% in gurry.
3. the production method of agriculture gurry feed degradation composite material according to claim 2, which is characterized in that the agriculture is abandoned
The agricultural raw material rich in plant fiber contained in object is one or more of straw, beans stalk, beanpod, cornstalk etc..
4. the production method of agriculture gurry feed degradation composite material according to claim 1, which is characterized in that the agriculture is abandoned
Auxiliary agent is added by formula in object, and the auxiliary agent is one kind or several in plasticizer, biological assistant, lubricant, coupling agent or releasing agent
Kind, filler is added by formula, told filler is one or more of food-grade PP, PE, calcium carbonate etc..
5. Raw material processing according to claim 4, which is characterized in that crush the raw material by Material disintegrator and uniformly mix
It closes, sprays ethanol/water=2: 3 solution, 4h is stirred at 60-75 DEG C.
6. the production method of agriculture gurry feed degradation composite material according to claim 4, which is characterized in that the agriculture is abandoned
In object：Agriculture gurry fiber：55 to 75%, binder：12 to 35%, auxiliary component：3 to 5%, auxiliary component：5 to 10%, it remains
Remaining impurity.
7. the production method of agriculture gurry feed degradation composite material according to claim 4, which is characterized in that moulding process
Have：Compression molding, injection moulding, extrusion molding and laminated into type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303881.8A CN108395580A (en) | 2017-05-03 | 2017-05-03 | The preparation method of agriculture gurry degradable composite material for food packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303881.8A CN108395580A (en) | 2017-05-03 | 2017-05-03 | The preparation method of agriculture gurry degradable composite material for food packaging |
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| CN108395580A true CN108395580A (en) | 2018-08-14 |
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ID=63094343
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| CN201710303881.8A Pending CN108395580A (en) | 2017-05-03 | 2017-05-03 | The preparation method of agriculture gurry degradable composite material for food packaging |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743366A (en) * | 2005-09-30 | 2006-03-08 | 山东九发集团公司 | Fully-degradeable service plate and its production method |
| CN101392072A (en) * | 2008-10-21 | 2009-03-25 | 宁波经济技术开发区长青工艺品有限公司 | Method for preparing plant fibre powder apparatus |
| CN103214871A (en) * | 2013-05-09 | 2013-07-24 | 九江学院 | Completely biodegradable environment-friendly composite material and preparation method thereof |
| CN105377964A (en) * | 2013-05-14 | 2016-03-02 | Spc向日葵塑料复合有限责任公司 | Biomaterial product based on sunflower seed shells and/or sunflower seed hulls |
-
2017
- 2017-05-03 CN CN201710303881.8A patent/CN108395580A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743366A (en) * | 2005-09-30 | 2006-03-08 | 山东九发集团公司 | Fully-degradeable service plate and its production method |
| CN101392072A (en) * | 2008-10-21 | 2009-03-25 | 宁波经济技术开发区长青工艺品有限公司 | Method for preparing plant fibre powder apparatus |
| CN103214871A (en) * | 2013-05-09 | 2013-07-24 | 九江学院 | Completely biodegradable environment-friendly composite material and preparation method thereof |
| CN105377964A (en) * | 2013-05-14 | 2016-03-02 | Spc向日葵塑料复合有限责任公司 | Biomaterial product based on sunflower seed shells and/or sunflower seed hulls |
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