CN113088096B - Rice hull powder/polyethylene composite material and preparation method thereof - Google Patents
Rice hull powder/polyethylene composite material and preparation method thereof Download PDFInfo
- Publication number
- CN113088096B CN113088096B CN202010019542.9A CN202010019542A CN113088096B CN 113088096 B CN113088096 B CN 113088096B CN 202010019542 A CN202010019542 A CN 202010019542A CN 113088096 B CN113088096 B CN 113088096B
- Authority
- CN
- China
- Prior art keywords
- rice hull
- hull powder
- polyethylene
- composite material
- powder
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
- C08G65/3324—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof cyclic
- C08G65/3326—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof cyclic aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention discloses a rice hull powder/polyethylene composite material and a preparation method thereof, and relates to the technical field of high polymer materials. The invention synthesizes a prepolymer with an end group of acyl chloride group as a compatilizer to react with rice hull powder in a solvent way to form a coating layer, and then melts and blends the coated rice hull powder particles and polyethylene to obtain the composite material with the rice hull powder/polyethylene as a main body. The invention improves the compatibility of the rice hull powder and the polyethylene, and improves the mechanical property, the water resistance and the thermal stability of the rice hull powder/polyethylene composite material. And the synthesized material has degradability, improves the utilization rate of the waste rice hulls and reduces the pollution problem caused by burning the rice hulls.
Description
Technical Field
The invention relates to the technical field of high polymer materials, and further relates to a rice hull powder/polyethylene composite material and a preparation method thereof.
Background
At present, plastic products are an essential part of people's life, and the ' white pollution ' brought by consumption brings serious harm to the environment. With the increasing importance of people on environmental protection, the degradation of plastics is a great trend. The biomass thermoplastic composite material prepared by mixing the biomass and the thermoplastic resin, adding a certain amount of auxiliary agents and fillers and utilizing processes such as extrusion molding and the like is a novel environment-friendly material. Due to the characteristics of good processability, environmental protection and the like, the application of the composite material is more and more extensive, the development and the utilization of the composite material promote the utilization of agricultural and forestry wastes, and the environmental pollution caused by plastic products is reduced.
Because of incompatibility between biomass and resin, biomass can not be well dispersed in resin, and the performance of the product is affected, it is necessary to improve the compatibility between biomass material and resin.
Disclosure of Invention
The invention provides a rice hull powder/polyethylene composite material and a preparation method thereof aiming at the problems, wherein a prepolymer with an end group of acyl chloride group is synthesized to be used as a compatilizer to react with rice hull powder in a solvent way to form a coating layer, and then the coated rice hull powder particles are melted and blended with polyethylene to obtain the composite material with the rice hull powder/polyethylene as a main body.
The technical means adopted by the invention are as follows:
the rice husk powder/polyethylene composite material is characterized by comprising the following components in parts by weight: 10-70 parts of unmodified rice hull powder, 30-90 parts of polyethylene, 0-5 parts of a compatilizer, 1-5 parts of a lubricant and 0.1-1 part of an antioxidant.
The mesh number of the rice hull powder is 600-1000 meshes.
The lubricant is one or a mixture of liquid paraffin, stearic acid and zinc stearate.
The antioxidant is 1010.
The compatilizer is a terephthaloyl chloride prepolymer, the structure of which is shown as formula 1, and the raw materials are terephthaloyl chloride and polyvinyl alcohol (PEG 2000).
The preparation method of the terephthaloyl chloride prepolymer comprises the following steps: paraphthaloyl chloride, polyethylene glycol (PEG2000) and anhydrous potassium carbonate powder are mixed in a molar ratio of 3: 1: 3, the terephthaloyl chloride based prepolymer is generated through solvent mixing reaction, and the reaction process is shown as a formula 2.
The preparation method comprises the following steps:
weighing the mixture in a molar ratio of 3: 1: 3 of terephthaloyl chloride, polyethylene glycol and anhydrous potassium carbonate powder. Adding polyethylene glycol into a three-necked flask, setting the rotating speed of a mechanical stirring device to be 200-400 rpm, setting the temperature to be 80-110 ℃, and vacuumizing the polyethylene glycol for 20-30 min. Dissolving the polyethylene glycol subjected to vacuum drying in dichloromethane (volume ratio of 1: 2) subjected to water distillation to obtain a polyethylene glycol solution for standby. Dissolving terephthaloyl chloride in dichloromethane (volume ratio is 1: 5) after distilling to remove water, putting the mixture into another three-neck flask, adding anhydrous potassium carbonate powder after vacuum drying for 12-24 hours, and magnetically stirring to form a two-phase suspension. Nitrogen protection, iceAnd dropwise adding the polyethylene glycol solution after vacuum drying into the two-phase reaction system under the bath condition. And after the dropwise addition of the polyethylene glycol solution is finished, removing the ice bath, and reacting for 5-10 h at room temperature under the protection of nitrogen. After the reaction is finished, taking the mixture after the reaction, centrifuging at high speed, and removing KCI and KHC0 3 And unreacted K 2 C0 3 And the like. The supernatant from the centrifugation was added dropwise to petroleum ether, the supernatant liquid was taken off, and the experiment was repeated three times. And finally collecting the lower layer liquid, and performing rotary evaporation to obtain the waxy solid, namely the terephthaloyl chloride based prepolymer.
A preparation method of the rice hull powder/polyethylene composite material comprises the following steps:
the method comprises the following steps: drying 10-70 parts of unmodified rice hull powder in a vacuum drying oven for 8-24 hours at the temperature of 60-90 ℃, and coating the dried unmodified rice hull powder with a phthaloyl chloride prepolymer in a solvent reaction manner to obtain modified rice hull powder;
step two: blending the modified rice hull powder, 30-90 parts of polyethylene, 1-4% of lubricant and 0.1-1% of antioxidant to prepare a premix, then putting the premix into an internal mixer, and banburying for 20-50 min at the set rotation speed of 80-120 rpm and the temperature of 110-190 ℃ to obtain the rice hull powder/polyethylene composite material.
Compared with the prior art, the invention has the advantages of improving the compatibility of the rice hull powder and the polyethylene, and improving the mechanical property, the water resistance and the thermal stability of the rice hull powder/polyethylene composite material. And the synthesized material has degradability, improves the utilization rate of the waste rice hulls and reduces the pollution problem caused by burning the rice hulls.
Detailed Description
The present invention will be described in detail with reference to examples.
(1) Weighing the mixture in a molar ratio of 3: 1: 3 of terephthaloyl chloride, polyethylene glycol and anhydrous potassium carbonate powder. Adding weighed polyethylene glycol into a 250mL three-neck flask, setting a mechanical stirring device, setting the rotating speed at 300rpm and the temperature at 100 ℃, and vacuumizing the polyethylene glycol for 30 min. Then, the polyethylene glycol after vacuum drying is dissolved in methylene dichloride after water is removed by distillationAnd (5) neutralizing (the volume ratio is 1: 2) to obtain a polyethylene glycol solution for standby. The weighed terephthaloyl chloride was dissolved in methylene chloride (volume ratio 1: 5) after distilling off water, and then put into another 250mL three-necked flask, and anhydrous potassium carbonate powder after vacuum drying for 24 hours was added thereto, and magnetically stirred to form a two-phase suspension. And dropwise adding the polyethylene glycol solution after vacuum drying into the two-phase reaction system under the conditions of nitrogen protection and ice bath. After the polyethylene glycol solution is added dropwise, the ice bath is removed, and the reaction is carried out for 6 hours at room temperature under the nitrogen protection condition. After the reaction is finished, taking the mixture after the reaction, centrifuging at high speed, and removing KCI and KHC0 3 And unreacted K 2 C0 3 And the like. The supernatant from the centrifugation was added dropwise to petroleum ether, the supernatant liquid was taken off, and the experiment was repeated three times. And finally collecting the lower layer liquid, and performing rotary evaporation to obtain the waxy solid, namely the terephthaloyl chloride based prepolymer. The reaction equation is as follows:
(2) firstly, drying unmodified rice hull powder in a vacuum drying oven for 24 hours at the temperature of 80 ℃. Dissolving the phthaloyl chloride-based prepolymer with different mass ratios in acetone (the mass ratio is 1: 3) to obtain the phthaloyl chloride-based prepolymer solution for standby. The dried rice hull powder and acetone were put into a 250mL two-necked flask simultaneously, and magnetically stirred. Stirring for 10min, adding triethylamine dropwise into the mixed system, and continuing stirring. After 30min, the phthaloyl chloride prepolymer solution to be used is added into the mixed system drop by drop. Then, the mixture was stirred at room temperature for 24 hours under a nitrogen blanket. After the reaction was completed, the reacted mixture was centrifuged at a high speed, the lower layer precipitate was collected, and the lower layer precipitate was washed three times with distilled water. And finally, drying the obtained solid in a vacuum drying oven for 24 hours at the temperature of 70 ℃ to obtain the required modified rice hull powder.
(3) The preparation process of the rice hull powder/polyethylene composite material comprises the following steps: blending the modified rice hull powder, polyethylene, a lubricant and an antioxidant to prepare a premix, and then putting the premix into an internal mixer, wherein the set rotating speed is 100rpm, and the temperature is 110 ℃. And banburying for 20min to obtain the rice hull powder/polyethylene composite material.
Example one
70g of unmodified rice hull powder, 30g of polyethylene, 1g of lubricant and 0.1g of antioxidant are blended to prepare a premix, and then the premix is put into an internal mixer, wherein the set rotating speed is 80rpm, and the temperature is 110 ℃. And banburying for 20min to obtain the rice hull powder/polyethylene composite material, wherein the rice hull powder in the composite material is not modified by using a phthaloyl chloride prepolymer, and the composite material is used as a reference for comparison.
Example two
The method comprises the following steps: synthesis of prepolymer compatilizer: first, 3g of terephthaloyl chloride, 10g of polyethylene glycol and 4.5g of anhydrous potassium carbonate powder were weighed. Adding weighed polyethylene glycol into a 250mL three-neck flask, setting a mechanical stirring device, setting the rotating speed at 300rpm and the temperature at 100 ℃, and vacuumizing the polyethylene glycol for 30 min. Subsequently, the polyethylene glycol dried in vacuum was dissolved in 20ml of methylene chloride distilled off to obtain a polyethylene glycol solution to be used. The weighed terephthaloyl chloride was dissolved in 15mL of distilled and dehydrated methylene chloride, which was then charged into another 250mL three-necked flask, and anhydrous potassium carbonate powder after drying under vacuum for 24 hours was added and magnetically stirred to form a two-phase suspension. And dropwise adding the polyethylene glycol solution after vacuum drying into the two-phase reaction system under the conditions of nitrogen protection and ice bath. After the dropping of the polyethylene glycol solution is finished, the ice bath is removed, and the reaction is carried out for 6 hours at room temperature under the protection of nitrogen. After the reaction is finished, taking the mixture after the reaction, centrifuging at high speed, and removing KCl and KHC0 3 And unreacted K 2 C0 3 And the like. And (3) dropwise adding the supernatant obtained by centrifugation into petroleum ether, taking the lower-layer liquid, and performing rotary evaporation to obtain a waxy solid, namely the terephthaloyl chloride-based prepolymer.
Step two: drying unmodified rice hull powder in a vacuum drying oven for 24 hours at the temperature of 80 ℃.1g of the terephthaloyl chloride prepolymer is taken and blended into 3g of acetone to obtain the terephthaloyl chloride prepolymer solution for standby. 50g of dried rice hull powder was put into a 250mL two-necked flask together with 100mL of acetone, and magnetically stirred. After stirring for 10min, 1ml of triethylamine was added dropwise to the mixture, and stirring was continued. After 30min, dropwise adding the p-phthaloyl chloride prepolymer solution to be used into the mixed system. Then, the mixture was stirred at room temperature for 24 hours under a nitrogen blanket. After the reaction was completed, the reacted mixture was centrifuged at a high speed, the lower layer precipitate was collected, and the lower layer precipitate was washed three times with distilled water. And finally, drying the obtained solid in a vacuum drying oven for 24 hours at the temperature of 70 ℃ to obtain the required modified rice hull powder.
Step three: and (3) putting a premix obtained by blending the modified rice hull powder obtained in the step (II), 50g of polyethylene, 3g of liquid paraffin and 0.5g of antioxidant 1010 into an internal mixer, and setting the rotating speed at 100rpm and the temperature at 150 ℃. And banburying for 30min to obtain the rice husk powder/polyethylene composite material.
EXAMPLE III
The method comprises the following steps: synthesis of prepolymer compatilizer: first, 3g of terephthaloyl chloride, 10g of polyethylene glycol and 4.5g of anhydrous potassium carbonate powder were weighed. Adding weighed polyethylene glycol into a 250mL three-neck flask, setting a mechanical stirring device, setting the rotating speed at 300rpm and the temperature at 100 ℃, and vacuumizing the polyethylene glycol for 30 min. Subsequently, the polyethylene glycol dried in vacuum was dissolved in 20ml of methylene chloride distilled off to remove water to obtain a polyethylene glycol solution to be used. The weighed terephthaloyl chloride was dissolved in 15mL of methylene chloride distilled off water, and then put into another 250mL three-necked flask, and anhydrous potassium carbonate powder after vacuum drying for 24 hours was added thereto, and magnetically stirred to form a two-phase suspension. And dropwise adding the polyethylene glycol solution after vacuum drying into the two-phase reaction system under the conditions of nitrogen protection and ice bath. After the dropping of the polyethylene glycol solution is finished, the ice bath is removed, and the reaction is carried out for 6 hours at room temperature under the protection of nitrogen. After the reaction is finished, taking the mixture after the reaction, centrifuging at high speed, and removing KCl and KHC0 3 And unreacted K 2 C0 3 And the like. And (3) dropwise adding the supernatant obtained by centrifugation into petroleum ether, taking the lower layer liquid, and performing rotary evaporation to obtain the waxy solid, namely the terephthaloyl dichloride-based prepolymer.
Step two: firstly, drying unmodified rice hull powder in a vacuum drying oven for 24 hours at the temperature of 80 ℃. 3g of the terephthaloyl chloride prepolymer is taken and blended into 9g of acetone to obtain the terephthaloyl chloride prepolymer solution for standby. 50g of dried rice hull powder and 100mL of acetone were simultaneously put into a 250mL two-necked flask and magnetically stirred. After stirring for 10min, 1ml of triethylamine was added dropwise to the mixture, and stirring was continued. After 30min, the phthaloyl chloride prepolymer solution to be used is added into the mixed system drop by drop. Then, the mixture was stirred at room temperature for 24 hours under a nitrogen blanket. After the reaction was completed, the reacted mixture was centrifuged at a high speed, the lower layer precipitate was collected, and the lower layer precipitate was washed three times with distilled water. And finally, drying the obtained solid in a vacuum drying oven for 24 hours at the temperature of 70 ℃ to obtain the required modified rice hull powder.
Step three: and (3) putting a premix obtained by blending the modified rice hull powder obtained in the step (II), 50g of polyethylene, 3g of liquid paraffin and 0.5g of antioxidant 1010 into an internal mixer, and setting the rotating speed at 100rpm and the temperature at 150 ℃. And banburying for 30min to obtain the rice husk powder/polyethylene composite material.
Example four
The method comprises the following steps: synthesis of prepolymer compatilizer: first, 3g of terephthaloyl chloride, 10g of polyethylene glycol and 4.5g of anhydrous potassium carbonate powder were weighed. Adding weighed polyethylene glycol into a 250mL three-neck flask, setting a mechanical stirring device, setting the rotating speed at 300rpm and the temperature at 100 ℃, and vacuumizing the polyethylene glycol for 30 min. Subsequently, the polyethylene glycol dried in vacuum was dissolved in 20ml of methylene chloride distilled off to obtain a polyethylene glycol solution to be used. The weighed terephthaloyl chloride was dissolved in 15mL of methylene chloride distilled off water, and then put into another 250mL three-necked flask, and anhydrous potassium carbonate powder after vacuum drying for 24 hours was added thereto, and magnetically stirred to form a two-phase suspension. And dropwise adding the polyethylene glycol solution after vacuum drying into the two-phase reaction system under the conditions of nitrogen protection and ice bath. After the dropping of the polyethylene glycol solution is finished, the ice bath is removed, and the reaction is carried out for 6 hours at room temperature under the protection of nitrogen. After the reaction is finished, taking the mixture after the reaction, centrifuging at high speed, and removing KCl and KHC0 3 And unreacted K 2 C0 3 And the like. Will be centrifugedAnd dropwise adding the obtained supernatant into petroleum ether, taking the lower layer liquid, and performing rotary evaporation to obtain the waxy solid, namely the terephthaloyl dichloride-based prepolymer.
Step two: firstly, drying unmodified rice hull powder in a vacuum drying oven for 24 hours at the temperature of 80 ℃.5g of the terephthaloyl chloride prepolymer is taken and blended into 15g of acetone to obtain the terephthaloyl chloride prepolymer solution for standby. 10g of dried rice hull powder was put into a 250mL two-necked flask together with 100mL of acetone, and magnetically stirred. After stirring for 10min, 1ml of triethylamine was added dropwise to the mixture, and stirring was continued. After 30min, the phthaloyl chloride prepolymer solution to be used is added into the mixed system drop by drop. Then, the mixture was stirred at room temperature for 24 hours under a nitrogen blanket. After the reaction was completed, the reacted mixture was centrifuged at a high speed, the lower layer precipitate was collected, and the lower layer precipitate was washed three times with distilled water. And finally, drying the obtained solid in a vacuum drying oven for 24 hours at the temperature of 70 ℃ to obtain the required modified rice hull powder.
Step three: and (3) putting the premix obtained in the step (II) after the modified rice hull powder, 90g of polyethylene, 5g of liquid paraffin and 1g of antioxidant 1010 are blended into an internal mixer, and setting the rotating speed to be 120rpm and the temperature to be 190 ℃. And banburying for 50min to obtain the rice husk powder/polyethylene composite material.
The physical property comparison ratios of the rice hull powder/polyethylene composite materials obtained in the above examples are shown in table 1.
TABLE 1 comparison of physical Properties of the Rice husk powder/polyethylene composite obtained in the example
| Example one | Example two | EXAMPLE III | Example four | |
| Tensile Strength (MPa) | 8.36 | 9.17 | 11.12 | 14.78 |
| Impact Strength (KJM) -2 ) | 2.8 | 4.1 | 4.7 | 7.8 |
| Flexural Strength (MPa) | 7.09 | 11.24 | 12.81 | 16.27 |
| Water absorption (%) | 0.07 | 0.028 | 0.021 | 0.004 |
| Temperature of thermal decomposition (. degree.C.) | 220.5 | 251.5 | 258.5 | 274.5 |
As can be seen from the table above, the rice hull powder/polyethylene composite material added with the compatilizer has improved tensile strength, impact strength and bending strength compared with the composite material without the compatilizer, and the addition of the compatilizer is proved to be capable of enhancing the mechanical properties of the material. The water absorption is reduced by 93 percent, which proves that the water resistance of the material is improved by adding the compatilizer. From the second and third examples, it can be seen that the increase of the amount of the compatibilizer can increase the thermal decomposition temperature of the material to 258.5 ℃ and 7 ℃, which indicates that the addition of the compatibilizer improves the thermal stability of the material.
In conclusion, the compatilizer provided by the invention greatly improves the water resistance of the rice hull powder/polyethylene composite material, improves the mechanical property and the thermal stability, and improves the comprehensive performance of the material.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solution of the present invention shall fall within the protection scope defined by the claims.
Claims (5)
1. The rice husk powder/polyethylene composite material is characterized by comprising the following components in parts by weight: 10-70 parts of unmodified rice hull powder, 30-90 parts of polyethylene, 1-5 parts of a compatilizer, 1-5 parts of a lubricant and 0.1-1 part of an antioxidant; wherein the compatilizer is a terephthaloyl chloride prepolymer, and the structure of the compatilizer is shown as a formula 1:
formula 1.
2. The rice hull powder/polyethylene composite material according to claim 1, wherein the preparation method of the terephthaloyl chloride based prepolymer comprises: paraphthaloyl chloride, polyethylene glycol and anhydrous potassium carbonate powder in a molar ratio of 3: 1: 3, the terephthaloyl chloride based prepolymer is generated through solvent mixing reaction, and the reaction process is as shown in formula 2:
and (3) formula 2.
3. The rice husk powder/polyethylene composite material according to claim 1, wherein the mesh number of the rice husk powder is 600 to 1000 mesh.
4. The rice hull powder/polyethylene composite material according to claim 1, wherein the lubricant is one or a mixture of liquid paraffin, stearic acid and zinc stearate.
5. A method for producing the rice husk powder/polyethylene composite material as claimed in claim 1, characterized in that,
the method comprises the following steps: drying 10-70 parts of unmodified rice hull powder in a vacuum drying oven for 8-24 hours at the temperature of 60-90 ℃, and coating the dried unmodified rice hull powder with a phthaloyl chloride prepolymer in a solvent reaction manner to obtain modified rice hull powder;
step two: and blending the obtained modified rice hull powder, 30-90 parts of polyethylene, 1-5 parts of lubricant and 0.1-1 part of antioxidant to prepare a premix, then putting the premix into an internal mixer, banburying for 20-50 min at the set rotating speed of 80-120 rpm and the temperature of 110-190 ℃ to obtain the rice hull powder/polyethylene composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019542.9A CN113088096B (en) | 2020-01-08 | 2020-01-08 | Rice hull powder/polyethylene composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019542.9A CN113088096B (en) | 2020-01-08 | 2020-01-08 | Rice hull powder/polyethylene composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113088096A CN113088096A (en) | 2021-07-09 |
| CN113088096B true CN113088096B (en) | 2022-09-23 |
Family
ID=76663452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010019542.9A Active CN113088096B (en) | 2020-01-08 | 2020-01-08 | Rice hull powder/polyethylene composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113088096B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250370A (en) * | 2011-06-14 | 2011-11-23 | 中国科学院宁波材料技术与工程研究所 | Method for modifying surface of high molecular weight polyethylene powder through interfacial polycondensation |
| CN107337932A (en) * | 2017-07-27 | 2017-11-10 | 浙江坤鸿新材料有限公司 | A kind of low density outdoor wood plastic floor |
| CN107841034A (en) * | 2016-09-18 | 2018-03-27 | 四川鑫达企业集团有限公司 | A kind of modified polypropylene composite material with KT 1 for compatilizer |
| CN108929484A (en) * | 2017-05-25 | 2018-12-04 | 合肥杰事杰新材料股份有限公司 | A kind of powdered rice hulls modification regeneration polypropene composition and preparation method thereof |
| WO2019100964A1 (en) * | 2017-11-24 | 2019-05-31 | 壳氏（黑龙江）新材料科技有限公司 | Rice hull powder master batch and preparation method therefor |
| CN110092972A (en) * | 2019-05-29 | 2019-08-06 | 六盘水康博木塑科技有限公司 | A kind of waterproof powdered rice hulls wood plastic composite and preparation method thereof |
| CN110128800A (en) * | 2019-06-05 | 2019-08-16 | 辽宁东盛塑业有限公司 | The biomass-based Wholly-degradable material of powdered rice hulls/PBAT and preparation method |
-
2020
- 2020-01-08 CN CN202010019542.9A patent/CN113088096B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250370A (en) * | 2011-06-14 | 2011-11-23 | 中国科学院宁波材料技术与工程研究所 | Method for modifying surface of high molecular weight polyethylene powder through interfacial polycondensation |
| CN107841034A (en) * | 2016-09-18 | 2018-03-27 | 四川鑫达企业集团有限公司 | A kind of modified polypropylene composite material with KT 1 for compatilizer |
| CN108929484A (en) * | 2017-05-25 | 2018-12-04 | 合肥杰事杰新材料股份有限公司 | A kind of powdered rice hulls modification regeneration polypropene composition and preparation method thereof |
| CN107337932A (en) * | 2017-07-27 | 2017-11-10 | 浙江坤鸿新材料有限公司 | A kind of low density outdoor wood plastic floor |
| WO2019100964A1 (en) * | 2017-11-24 | 2019-05-31 | 壳氏（黑龙江）新材料科技有限公司 | Rice hull powder master batch and preparation method therefor |
| CN110092972A (en) * | 2019-05-29 | 2019-08-06 | 六盘水康博木塑科技有限公司 | A kind of waterproof powdered rice hulls wood plastic composite and preparation method thereof |
| CN110128800A (en) * | 2019-06-05 | 2019-08-16 | 辽宁东盛塑业有限公司 | The biomass-based Wholly-degradable material of powdered rice hulls/PBAT and preparation method |
Non-Patent Citations (2)
| Title |
|---|
| "PP／稻壳木塑复合材料界面相容性及增韧改性的研究";高振棠等;《2011年中国工程塑料复合材料技术研讨会论文集》;20111231;第123-125页 * |
| "稻壳粉/废旧高密度聚乙烯复合材料的耐老化性能";卜凡华;《中国优秀博硕士学位论文全文数据库（硕士）工程科技Ⅰ辑》;20110415;第8-9页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113088096A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106221165A (en) | A kind of whole life cycle design of high-barrier and preparation method thereof | |
| CN101985491B (en) | Plastic compatibilizer and method for preparing same, and polyphenylene oxide/nylon alloy containing compatibilizer and preparation method thereof | |
| KR102180931B1 (en) | Graphene oxide filler with aminated flame retardant, and polypropylene nanocomposite using the same | |
| CN109651783A (en) | A kind of fretting map natural fibre reinforced polylactic acid composite material and preparation method thereof | |
| CN113736088A (en) | Polysilsesquioxane, PLA alloy and straw material | |
| CN112552663A (en) | High-fluidity flame-retardant polylactic acid composite material | |
| CN108624006A (en) | A kind of high flowing fiberglass reinforced fire retardant PC/PBT alloy materials and preparation method thereof | |
| CN111978531A (en) | Cellulose grafted full-biodegradable high polymer material and preparation method thereof | |
| CN111253727A (en) | Composite material for preparing high-strength carrier tape | |
| CN113088096B (en) | Rice hull powder/polyethylene composite material and preparation method thereof | |
| CN114716757A (en) | High-performance EVA (ethylene-vinyl acetate) foam material and preparation method thereof | |
| CN111073326B (en) | Preparation method of rice hull powder/PBAT composite material | |
| CN111234484B (en) | Full-bio-based degradable polylactic acid/starch composite material and preparation method thereof | |
| CN113372695A (en) | Environment-friendly flame-retardant polyester composite material and preparation method thereof | |
| CN112457650A (en) | Blended reclaimed material with ABS (acrylonitrile butadiene styrene) imitating performance | |
| CN107011524A (en) | A kind of new hyperbranched bulking agent and its synthetic method | |
| CN113831732B (en) | Low-water-absorption high-toughness high-temperature nylon composite material and preparation method thereof | |
| CN113372471B (en) | Phosphorus-oxidized epoxy elastomer and flame-retardant composite material | |
| CN109423048A (en) | A kind of polyphenyl thioether material and preparation method thereof of organosilicon toughening modifying | |
| CN102051041B (en) | Engineering plastic raw material, engineering plastic and engineering plastic preparation method | |
| CN103450647B (en) | A kind of polybutylene terephthalate matrix material and its preparation method and application | |
| CN112322001A (en) | Impact-resistant modified PET plastic and preparation method thereof | |
| Jiang et al. | Preparation of high‐performance poly (butylene adipate‐co‐terephthalate)/thermoplastic starch compounds with epoxidized soybean oil as compatibilizer | |
| CN111423704B (en) | Polylactic acid stereo complex and preparation method thereof | |
| CN116904004B (en) | Degradable starch crosslinked particle modified PBAT polyester master batch and preparation process 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |