CN112391043A - Starch-based alloy environment-friendly material and preparation method thereof - Google Patents
Starch-based alloy environment-friendly material and preparation method thereof Download PDFInfo
- Publication number
- CN112391043A CN112391043A CN202011343458.9A CN202011343458A CN112391043A CN 112391043 A CN112391043 A CN 112391043A CN 202011343458 A CN202011343458 A CN 202011343458A CN 112391043 A CN112391043 A CN 112391043A
- Authority
- CN
- China
- Prior art keywords
- starch
- parts
- based alloy
- plant
- friendly material
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- 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)
Abstract
The invention discloses a starch-based alloy environment-friendly material and a preparation method thereof, relating to the technical field of environment-friendly material modification, wherein the starch-based alloy environment-friendly material comprises the following raw materials in parts by weight: 30-60 parts of plant starch, 10-20 parts of plant straw fiber, 1-5 parts of reaction auxiliary agent, 40-60 parts of bio-based resin, 1-5 parts of nano composite material, 0.2-1 part of plasticizer and 0.5-2 parts of lubricant. The preparation method comprises the following steps: 1) modification treatment: adding plant starch into a dry-process reactor, and adding a reaction auxiliary agent to obtain modified starch; putting the plant straw fiber into a dryer to obtain dry plant straw fiber with the water content of less than 3%; 2) blending: putting the modified starch obtained in the step 1) and dry plant straw fibers into a blender, adding bio-based resin, and carrying out high-speed blending modification to obtain powder; 3) and (3) granulation: adding the powder obtained in the step 2) into a parallel equidirectional double-screw machine, cooling the extruded materials, and then melting and granulating in a granulator. The starch-based alloy environment-friendly material obtained by the invention is low in petroleum-based plastic proportion, energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of modification of environment-friendly materials, in particular to a starch-based alloy environment-friendly material and a preparation method thereof.
Background
With the harms of white pollution, marine garbage pollution, climate warming and the like of plastic products, the use of disposable plastic products, the use of plastic products produced by petrochemical base materials and the incineration of petrochemical products and materials which cause climate warming are forbidden. A plurality of countries successively go out of the plastic-forbidden command in different forms, meanwhile, the high-speed development of the society makes people have more and more requirements on non-renewable resources of petroleum, a series of problems such as soil water source pollution, land resource harm, threat of ecological environment and the like caused by non-degradable petroleum-based plastic wastes used by human beings are continuously worsened, and the environment-friendly material produced by the renewable resource material belongs to an environment-friendly novel material, and becomes a hotspot for solving the environment protection in the technical field of novel biodegradable material preparation and in the world.
The plant starch and the plant straw fiber belong to natural biological high polymer materials, and have the characteristics of complete degradation, rich sources, low price and the like. In the application of the bio-based high polymer material, the starch is usually used as a filler, so that the production cost is greatly reduced, and the biodegradation performance of the material is improved. However, the plant starch and the plant straw fiber have polyhydroxy structures, so that the starch is poor in compatibility with other synthetic resins, and the application of the starch in biodegradable materials is limited; in addition, the mechanical property, thermal stability, flame retardant property, conductivity and the like of the produced degradable material can not meet the application of wider range of daily necessities and industrial products.
The existing starch-based alloy modified materials are all processed alloy materials after starch, plastic resin (environment-friendly resin), various modification aids and the like are directly mixed or filled and modified, and because the filled various modified resins and filling materials are influenced by the production and processing technology and have performance defects of the filling materials, the performance of the produced alloy materials is restricted in application.
Disclosure of Invention
In order to solve the technical problems, the invention provides the starch-based alloy environment-friendly material and the preparation method thereof, the starch-based alloy material has low proportion of petroleum-based plastics used by the composite material, the use of the petroleum-based plastics is effectively reduced, and the starch-based alloy environment-friendly material is energy-saving and environment-friendly; the introduction of the nano composite material changes the physical properties of the plant starch, the plant straw fiber and the bio-based resin, and improves the mechanical properties, the flame retardant property, the processing stability and other material properties of the material.
The invention is realized by the following technical scheme:
the starch-based alloy environment-friendly material comprises the following raw materials in parts by weight: 30-60 parts of plant starch, 10-20 parts of plant straw fiber, 1-5 parts of reaction auxiliary agent, 40-60 parts of bio-based resin, 1-5 parts of nano composite material, 0.2-1 part of plasticizer and 0.5-2 parts of lubricant.
Further, the weight fraction ratio of the plant starch to the plant straw fiber is 2: 1.
Further, the starch is one or more of corn starch, cassava starch, potato starch, wheat starch, glutinous rice starch and transgenic corn starch with 100-mesh and 800-mesh.
Further, the plant straw fiber is one or more of 100-mesh 300-mesh rice straw, wheat straw and corn straw.
Further, the reaction auxiliary agent comprises a mixture of an initiator, maleic anhydride and stearic acid, and also comprises one or more of a coupling agent, glyceryl monostearate, vinyl acetate and acrylic acid.
Further, the initiator is one or more of potassium persulfate, lauroyl peroxide, sodium bisulfite, sucrose and benzoyl peroxide; the coupling agent is one or more of titanate coupling agent, silane coupling agent, phosphate coupling agent and zirconate coupling agent.
Further, the bio-based resin is one or more of polylactic acid, polybutylene succinate, polycaprolactone, polyhydroxyalkanoate, a carbon dioxide copolymer, polyvinyl alcohol, polyhydroxyalkanoate and polyhydroxybutyrate.
Further, the nanocomposite includes graphene and nanoscale inorganic materials.
Further, the graphene is graphene oxide; the nano inorganic matter is one or more of 3000-5000 mesh calcium sulfate whisker, 3000-5000 mesh nano white carbon black, 5000-6000 mesh nano silicon dioxide and 3000-5000 mesh nano montmorillonite.
Further, the plasticizer is one or more of peroxide epoxidized soybean oil, isosorbide diester, acetyl tributyl citrate and epoxy stearate octyl ester; the lubricant is one or more of silicone oil, zinc stearate, calcium stearate, polyethylene wax, butyl stearate and paraffin wax.
The invention relates to a preparation method of an environment-friendly material, which comprises the following steps:
1) modification treatment: putting plant starch into a dry-process reactor at the temperature of 85-95 ℃, adding a reaction auxiliary agent, and reacting for 0.5-3 hours to obtain modified starch; putting the plant straw fiber into a dryer with the temperature of 100-;
2) blending: putting the modified starch obtained in the step 1) and the dry plant straw fiber into a blending machine, adding bio-based resin, keeping the temperature at 50-85 ℃, stirring at the speed of 100-300r/min, blending and modifying for 0.5-1 h, then adding the nano composite material, the plasticizer and the lubricant, keeping the temperature at 60-90 ℃, stirring at the speed of 300-1000r/min, carrying out high-speed blending and modifying for 0.5-1 h, and then cooling to 30-55 ℃ to obtain powder;
3) and (3) granulation: adding the powder in the step 2) into a parallel co-rotating twin-screw machine, cooling the extruded material, and then melting and granulating in a granulator, wherein the length-diameter ratio of screws of the parallel co-rotating twin-screw machine is more than or equal to 52:1, the parameters of the granulator are set to be 175 ℃ at the temperature of 140-.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the starch-based alloy environment-friendly material provided by the invention can be used for producing high-quality plastic products, and the environment-friendly material uses low proportion of petroleum-based plastic, so that the use of petroleum-based plastic is effectively reduced, and the starch-based alloy environment-friendly material is energy-saving and environment-friendly.
2. The invention changes the physical properties of plant starch, plant straw fiber and bio-based resin by introducing the nano composite material, and improves the technical problems of material properties such as mechanical property, flame retardant property, processing stability and the like of the material.
3. Compared with the traditional industrial plastic material and plastic products, the starch-based alloy environment-friendly material prepared by the invention has wide application, excellent mechanical property, environment friendliness and degradability, can be applied to various processing technologies such as injection molding, film blowing, pipe extrusion, section bar extrusion and the like, and can regulate and control the degradation period according to the technical parameters of the produced products.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are only a few specific examples of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of infringing on the protection scope of the present invention.
The invention relates to a preparation method of a starch-based alloy environment-friendly material, which comprises the following steps:
1) modification treatment: putting plant starch into a dry-process reactor at the temperature of 85-95 ℃, adding a reaction auxiliary agent, and reacting for 0.5-3 hours to obtain modified starch; putting the plant straw fiber into a dryer with the temperature of 100-;
2) blending: putting the modified starch obtained in the step 1) and the dry plant straw fiber into a blending machine, adding the bio-based resin, keeping the temperature at 50-85 ℃, the stirring speed at 300r/min, blending and modifying for 0.5-1 h, then adding the nano composite material, the plasticizer and the lubricant, keeping the temperature at 60-90 ℃, the stirring speed at 300-1000r/min, carrying out high-speed blending and modifying for 0.5-1 h, and then cooling to 30-55 ℃ to obtain powder;
3) and (3) granulation: adding the powder in the step 2) into a parallel co-rotating twin-screw machine, cooling the extruded material, and then melting and granulating in a granulator, wherein the length-diameter ratio of screws of the parallel co-rotating twin-screw machine is more than or equal to 52:1, the parameters of the granulator are set to be 175 ℃ at the temperature of 140-.
The starch-based alloy environment-friendly material granules are obtained by the preparation method, and the granules are added into an injection molding machine to obtain various tableware and daily plastic products; adding the granules into a film blowing machine to prepare a mulching film and a package; adding the granules into other forming machines to prepare plastic pipes, plastic pipe fittings and the like.
The starch-based alloy environment-friendly material adopted by the preparation method has various implementation modes according to components and formulas, and the examples are as follows:
example 1
The starch-based alloy environment-friendly material comprises the following raw materials in parts by weight: 30 parts of plant starch, 15 parts of plant straw fiber, 1 part of reaction auxiliary agent, 40 parts of bio-based resin, 1 part of nano composite material, 0.2 part of plasticizer and 0.5 part of lubricant.
More specifically, the plant starch is one or more of 100-800-mesh corn starch, cassava starch, potato starch, wheat starch, glutinous rice starch and transgenic corn starch; the plant straw fiber is one or more of 100-mesh and 300-mesh rice straw, wheat straw and corn straw.
More specifically, the reaction auxiliary agent comprises a mixture of an initiator, maleic anhydride and stearic acid, and further comprises one or more of a coupling agent, glyceryl monostearate, vinyl acetate and acrylic acid.
More specifically, the initiator is one or more of potassium persulfate, lauroyl peroxide, sodium bisulfite, sucrose and benzoyl peroxide; the coupling agent is one or more of titanate coupling agent, silane coupling agent, phosphate coupling agent and zirconate coupling agent.
More specifically, the bio-based resin is one or more of polylactic acid, polybutylene succinate, polycaprolactone, polyhydroxyalkanoate, a carbon dioxide copolymer, polyvinyl alcohol, polyhydroxyalkanoate and polyhydroxybutyrate.
More specifically, the nanocomposite includes graphene and nanoscale inorganic materials.
More specifically, the graphene is graphene oxide; the nano inorganic matter is one or more of 3000-5000 mesh calcium sulfate whisker, 3000-5000 mesh nano white carbon black, 5000-6000 mesh nano silicon dioxide and 3000-5000 mesh nano montmorillonite.
More specifically, the plasticizer is one or more of peroxide epoxidized soybean oil, isosorbide diester, acetyl tributyl citrate and epoxy stearate octyl ester; the lubricant is one or more of silicone oil, zinc stearate, calcium stearate, polyethylene wax, butyl stearate and paraffin wax.
Example 2
The starch-based alloy environment-friendly material comprises the following raw materials in parts by weight: 40 parts of plant starch, 20 parts of plant straw fiber, 5 parts of reaction auxiliary agent, 60 parts of bio-based resin, 5 parts of nano composite material, 1 part of plasticizer and 2 parts of lubricant.
More specifically, the plant starch is one or more of 100-800-mesh corn starch, cassava starch, potato starch, wheat starch, glutinous rice starch and transgenic corn starch; the plant straw fiber is one or more of 100-mesh and 300-mesh rice straw, wheat straw and corn straw.
More specifically, the reaction auxiliary agent comprises a mixture of an initiator, maleic anhydride and stearic acid, and further comprises one or more of a coupling agent, glyceryl monostearate, vinyl acetate and acrylic acid.
More specifically, the initiator is one or more of potassium persulfate, lauroyl peroxide, sodium bisulfite, sucrose and benzoyl peroxide; the coupling agent is one or more of titanate coupling agent, silane coupling agent, phosphate coupling agent and zirconate coupling agent.
More specifically, the bio-based resin is one or more of polylactic acid, polybutylene succinate, polycaprolactone, polyhydroxyalkanoate, a carbon dioxide copolymer, polyvinyl alcohol, polyhydroxyalkanoate and polyhydroxybutyrate.
More specifically, the nanocomposite includes graphene and nanoscale inorganic materials.
More specifically, the graphene is graphene oxide; the nano inorganic matter is one or more of 3000-5000 mesh calcium sulfate whisker, 3000-5000 mesh nano white carbon black, 5000-6000 mesh nano silicon dioxide and 3000-5000 mesh nano montmorillonite.
More specifically, the plasticizer is one or more of peroxide epoxidized soybean oil, isosorbide diester, acetyl tributyl citrate and epoxy stearate octyl ester; the lubricant is one or more of silicone oil, zinc stearate, calcium stearate, polyethylene wax, butyl stearate and paraffin wax.
Example 3
The starch-based alloy environment-friendly material comprises the following raw materials in parts by weight: 36 parts of plant starch, 18 parts of plant straw fiber, 2.5 parts of reaction auxiliary agent, 50 parts of bio-based resin, 3 parts of nano composite material, 0.8 part of plasticizer and 1.2 parts of lubricant.
More specifically, the plant starch is one or more of 100-800-mesh corn starch, cassava starch, potato starch, wheat starch, glutinous rice starch and transgenic corn starch; the plant straw fiber is one or more of 100-mesh and 300-mesh rice straw, wheat straw and corn straw.
More specifically, the reaction auxiliary agent comprises a mixture of an initiator, maleic anhydride and stearic acid, and further comprises one or more of a coupling agent, glyceryl monostearate, vinyl acetate and acrylic acid.
More specifically, the initiator is one or more of potassium persulfate, lauroyl peroxide, sodium bisulfite, sucrose and benzoyl peroxide; the coupling agent is one or more of titanate coupling agent, silane coupling agent, phosphate coupling agent and zirconate coupling agent.
More specifically, the bio-based resin is one or more of polylactic acid, polybutylene succinate, polycaprolactone, polyhydroxyalkanoate, a carbon dioxide copolymer, polyvinyl alcohol, polyhydroxyalkanoate and polyhydroxybutyrate.
More specifically, the nanocomposite includes graphene and nanoscale inorganic materials.
More specifically, the graphene is graphene oxide; the nano inorganic matter is one or more of 3000-5000 mesh calcium sulfate whisker, 3000-5000 mesh nano white carbon black, 5000-6000 mesh nano silicon dioxide and 3000-5000 mesh nano montmorillonite.
More specifically, the plasticizer is one or more of peroxide epoxidized soybean oil, isosorbide diester, acetyl tributyl citrate and epoxy stearate octyl ester; the lubricant is one or more of silicone oil, zinc stearate, calcium stearate, polyethylene wax, butyl stearate and paraffin wax.
The starch-based alloy material has the advantages that the proportion of petroleum-based plastics used by the composite material is low, the use of petroleum-based plastics is effectively reduced, and the starch-based alloy material is energy-saving and environment-friendly; the introduction of the nano composite material changes the physical properties of the plant starch, the plant straw fiber and the bio-based resin, and improves the mechanical properties, the flame retardant property, the processing stability and other material properties of the material.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The starch-based alloy environment-friendly material is characterized by comprising the following raw materials in parts by weight: 30-60 parts of plant starch, 10-20 parts of plant straw fiber, 1-5 parts of reaction auxiliary agent, 40-60 parts of bio-based resin, 1-5 parts of nano composite material, 0.2-1 part of plasticizer and 0.5-2 parts of lubricant.
2. The starch-based alloy environment-friendly material as claimed in claim 1, wherein the weight fraction ratio of the plant starch to the plant straw fiber is 2: 1.
3. The starch-based alloy environment-friendly material as claimed in claim 1 or 2, wherein the plant starch is one or more of 100-800 mesh corn starch, tapioca starch, potato starch, wheat starch, glutinous rice starch and transgenic corn starch; the plant straw fiber is one or more of 100-mesh and 300-mesh rice straw, wheat straw and corn straw.
4. The starch-based alloy environment-friendly material as claimed in claim 1 or 2, wherein the reaction auxiliary agent comprises a mixture of an initiator, maleic anhydride and stearic acid, and further comprises one or more of a coupling agent, glyceryl monostearate, vinyl acetate and acrylic acid.
5. The starch-based alloy environment-friendly material as claimed in claim 4, wherein the initiator is one or more of potassium persulfate, lauroyl peroxide, sodium bisulfite, sucrose and benzoyl peroxide; the coupling agent is one or more of titanate coupling agent, silane coupling agent, phosphate coupling agent and zirconate coupling agent.
6. The starch-based alloy environment-friendly material as claimed in claim 1 or 2, wherein the bio-based resin is one or more of polylactic acid, polybutylene succinate, polycaprolactone, polyhydroxyalkanoate, carbon dioxide copolymer, polyvinyl alcohol, polyhydroxyalkanoate and polyhydroxybutyrate.
7. The starch-based alloy environment-friendly material as claimed in claim 1 or 2, wherein the nanocomposite comprises graphene and nanoscale inorganic material.
8. The starch-based alloy environment-friendly material as claimed in claim 7, wherein the graphene is graphene oxide; the nano inorganic matter is one or more of 3000-5000 mesh calcium sulfate whisker, 3000-5000 mesh nano white carbon black, 5000-6000 mesh nano silicon dioxide and 3000-5000 mesh nano montmorillonite.
9. The starch-based alloy environment-friendly material as claimed in claim 1 or 2, wherein the plasticizer is one or more of peroxide epoxidized soybean oil, isosorbide diester, acetyl tributyl citrate and epoxy stearate octyl ester; the lubricant is one or more of silicone oil, zinc stearate, calcium stearate, polyethylene wax, butyl stearate and paraffin wax.
10. The method for preparing the environment-friendly material according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
1) modification treatment: putting plant starch into a dry-process reactor at the temperature of 85-95 ℃, adding a reaction auxiliary agent, and reacting for 0.5-3 hours to obtain modified starch; putting the plant straw fiber into a dryer with the temperature of 100-;
2) blending: putting the modified starch obtained in the step 1) and the dry plant straw fiber into a blending machine, adding the bio-based resin, keeping the temperature at 50-85 ℃, the stirring speed at 300r/min, blending and modifying for 0.5-1 h, then adding the nano composite material, the plasticizer and the lubricant, keeping the temperature at 60-90 ℃, the stirring speed at 300-1000r/min, carrying out high-speed blending and modifying for 0.5-1 h, and then cooling to 30-55 ℃ to obtain powder;
3) and (3) granulation: adding the powder in the step 2) into a parallel co-rotating twin-screw machine, cooling the extruded material, and then melting and granulating in a granulator, wherein the length-diameter ratio of screws of the parallel co-rotating twin-screw machine is more than or equal to 52:1, the parameters of the granulator are set to be 175 ℃ at the temperature of 140-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011343458.9A CN112391043A (en) | 2020-11-25 | 2020-11-25 | Starch-based alloy environment-friendly material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011343458.9A CN112391043A (en) | 2020-11-25 | 2020-11-25 | Starch-based alloy environment-friendly material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112391043A true CN112391043A (en) | 2021-02-23 |
Family
ID=74603902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011343458.9A Withdrawn CN112391043A (en) | 2020-11-25 | 2020-11-25 | Starch-based alloy environment-friendly material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112391043A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979200A (en) * | 2021-03-12 | 2021-06-18 | 中一建设(河北)股份有限公司 | Carbon-based alkene plant straw powder sand and preparation method and application thereof |
| CN113512217A (en) * | 2021-07-22 | 2021-10-19 | 东华大学 | Clean production method of straw-based mulching film |
| CN113736237A (en) * | 2021-10-25 | 2021-12-03 | 南京工业大学 | Preparation method and application of modified starch thermoplastic composite material |
| CN114149620A (en) * | 2021-07-30 | 2022-03-08 | 宁夏禾易源生物科技有限公司 | Starch-based alloy environment-friendly material and preparation method thereof |
| CN114196221A (en) * | 2021-12-30 | 2022-03-18 | 太仓缤克新材料有限公司 | Degradable biomass fiber composite packaging product and preparation process thereof |
| CN114395227A (en) * | 2021-12-06 | 2022-04-26 | 湖南登科材料科技有限公司 | Composite material containing straw and preparation equipment thereof |
| CN115197548A (en) * | 2022-06-24 | 2022-10-18 | 杭实科技发展(杭州)有限公司 | Low-melting-point biodegradable agricultural mulching film and hot-melt perforating device |
-
2020
- 2020-11-25 CN CN202011343458.9A patent/CN112391043A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979200A (en) * | 2021-03-12 | 2021-06-18 | 中一建设(河北)股份有限公司 | Carbon-based alkene plant straw powder sand and preparation method and application thereof |
| CN113512217A (en) * | 2021-07-22 | 2021-10-19 | 东华大学 | Clean production method of straw-based mulching film |
| CN114149620A (en) * | 2021-07-30 | 2022-03-08 | 宁夏禾易源生物科技有限公司 | Starch-based alloy environment-friendly material and preparation method thereof |
| CN113736237A (en) * | 2021-10-25 | 2021-12-03 | 南京工业大学 | Preparation method and application of modified starch thermoplastic composite material |
| CN114395227A (en) * | 2021-12-06 | 2022-04-26 | 湖南登科材料科技有限公司 | Composite material containing straw and preparation equipment thereof |
| CN114196221A (en) * | 2021-12-30 | 2022-03-18 | 太仓缤克新材料有限公司 | Degradable biomass fiber composite packaging product and preparation process thereof |
| CN115197548A (en) * | 2022-06-24 | 2022-10-18 | 杭实科技发展(杭州)有限公司 | Low-melting-point biodegradable agricultural mulching film and hot-melt perforating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112391043A (en) | Starch-based alloy environment-friendly material and preparation method thereof | |
| CN106832807B (en) | Controllable full-degradable mulching film of cellulose-reinforced starch and preparation method thereof | |
| CN110655769A (en) | High-toughness fully-degradable composite material | |
| CN108929527B (en) | PBAT/modified starch full-biodegradable film with high ductility and high barrier property as well as preparation method and application thereof | |
| CN101824229B (en) | Thermoplastic plant fiber/polylactic acid blending material and preparation method thereof | |
| CN112063140A (en) | Polylactic acid modified material for injection molding product and preparation method thereof | |
| CN104497365A (en) | Bentonite/ starch composite degrading material produced by melt intercalation and preparation method | |
| CN112029154A (en) | Biodegradable material and preparation method thereof | |
| CN102604164A (en) | Master batch capable of fully and biologically degrading plastic film and preparation method thereof | |
| CN108219406A (en) | A kind of flame retardant type Based Full-degradable Plastics Film and preparation method thereof | |
| CN1939966A (en) | Hydrophobic degradable biological material, its production and film products | |
| CN101880412B (en) | Full-degradable injection molding composite material and preparation method thereof | |
| CN112778723A (en) | Starch-based degradable desorption tube material and preparation method thereof | |
| CN113474262A (en) | Soil plant compostable biodegradable substrate and method for producing the same | |
| CN112143042A (en) | Starch-based degradable film and preparation method thereof | |
| CN111393719B (en) | Bio-based degradable sheet and preparation method thereof | |
| CN104910603A (en) | Carbon-dioxide-base polymer/modified starch degradable agricultural mulching film and preparation method thereof | |
| CN101497731B (en) | Environment degrading thermoplastic glucomanan film and preparation thereof | |
| CN111138811A (en) | Full-biodegradable plastic packaging material and preparation method thereof | |
| CN114149620A (en) | Starch-based alloy environment-friendly material and preparation method thereof | |
| CN107022177A (en) | A kind of polylactic acid/starch/powder of straw Biobased degradable composite material and preparation method thereof | |
| CN113683875B (en) | Degradable high-toughness heat-resistant polylactic acid-starch composite material and preparation method thereof | |
| CN111057274A (en) | High-filling starch-based thermoplastic composite material and preparation method thereof | |
| CN107266760A (en) | A kind of degradable stalk polyethylene film and preparation method thereof | |
| CN110804216A (en) | Film-grade starch-based composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210223 |
|
| WW01 | Invention patent application withdrawn after publication |