Production method of environment-friendly plastic
Bio-based materials extracted from sweet potatoes, kudzu roots, and sugarcane, combined with polymerization processes and additives, are used to produce biodegradable and environmentally friendly plastics. This solves the problems of environmental pollution and dependence on fossil fuels, and enables the reuse of environmentally friendly plastics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 菏泽职业学院
- Filing Date
- 2024-11-12
- Publication Date
- 2026-05-12
AI Technical Summary
The lack of effective and environmentally friendly plastic production methods in existing technologies leads to environmental pollution and dependence on fossil fuels, and plastics are difficult to reuse multiple times.
Bio-based materials extracted from sweet potatoes, kudzu roots, and sugarcane are fermented and polymerized to form bio-based polymers, which are then mixed with polyethylene, polypropylene, plasticizers, and antioxidants to create biodegradable and environmentally friendly plastics.
It enables the production of biodegradable plastics, reducing environmental pollution, decreasing dependence on fossil fuels, and supporting multiple uses.
Abstract
Description
Technical Field
[0001] This invention relates to the field of environmentally friendly plastic production technology, specifically a method for producing environmentally friendly plastics. Background Technology
[0002] Plastics are important organic synthetic polymer materials with a wide range of applications. A detailed understanding of the composition and classification of plastics will not only help us use plastic products scientifically, but also facilitate the sorting and recycling of plastics and effectively control and reduce "white pollution."
[0003] Among them, environmentally friendly plastics usually refer to biodegradable or recyclable plastic materials, which are designed to reduce their impact on the environment.
[0004] Therefore, the market needs mature and environmentally friendly plastics, and a production method for environmentally friendly plastics has been proposed. Summary of the Invention
[0005] The purpose of this invention is to provide a method for producing environmentally friendly plastics to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at a speed of 200-300 r / min, and continue stirring and mixing for 10-30 min; then cool down and solidify at a uniform speed.
[0007] Therefore, bio-based materials made from the active ingredients extracted from sugarcane, sweet potato, and kudzu can promote the biodegradability of plastic materials, reduce environmental pollution and dependence on fossil fuels, and allow for multiple uses, thus reducing the need for new materials.
[0008] A further aspect of the present invention: In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root into the crushing mechanism at the same time for crushing, and then filter them with a 4-7 mesh filter to remove substances that do not meet the volume requirements. 2) Add warm water at a temperature of 30-50℃, heat at a rate of 3-5℃ per minute for 2-4 hours, and then allow it to cool naturally. When it cools to 10-15℃, filter it using a 50-300 mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0009] A further aspect of the present invention: In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 5-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 35 ℃, heat at a rate of 4 ℃ per minute for 3 hours, and then allow it to cool naturally. When it cools to 12 ℃, filter it using a 180-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0010] A further embodiment of the present invention is as follows: the warm water is added at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, the stirring speed is increased to 100 r / min.
[0011] A further embodiment of the present invention: the method of heating and evaporating the filtered filtrate is as follows: the filtered filtrate is spread evenly on a flat-bottomed pan to a depth of 5 cm, stirred at a speed of 15 r / min, and the flat-bottomed pan is heated and evaporated at the same time.
[0012] A further aspect of the present invention: In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at a speed of 20-30 r / min, add warm water at a temperature of 20-30 ℃ to the juice; 2) Use a 1-3 mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0013] A further aspect of the present invention: In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 28 r / min, add warm water at 28℃ to the juice; 2) Use a 2-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0014] A further embodiment of the present invention: the volume ratio of the juice and warm water added and mixed is 1:2.
[0015] A further aspect of the present invention involves heating and concentrating the filtrate at 100°C.
[0016] A further embodiment of the present invention: In step S3: after the bio-based polymer is heated and melted, polyethylene, polypropylene, plasticizer and antioxidant are added to it under stirring at a speed of 280 r / min, and then the mixture is stirred and mixed for 19 min; then the mixture is cooled and solidified at a uniform speed.
[0017] Compared with the prior art, the beneficial effects of the present invention are: Bio-based materials made from active ingredients extracted from sugarcane, sweet potato, and kudzu can promote the biodegradability of plastic materials, reduce environmental pollution and dependence on fossil fuels, and allow for multiple uses, thus reducing the need for new materials. Detailed Implementation
[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention. Example 1
[0019] A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at a speed of 200-300 r / min, and continue stirring and mixing for 10-30 min; then cool down and solidify at a uniform speed.
[0020] Therefore, bio-based materials made from the active ingredients extracted from sugarcane, sweet potato, and kudzu can promote the biodegradability of plastic materials, reduce environmental pollution and dependence on fossil fuels, and allow for multiple uses, thus reducing the need for new materials. Example 2
[0021] This implementation is a further refinement based on Example 1: In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 4-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 30 ℃, heat at a rate of 3 ℃ per minute for 2 hours, and then allow it to cool naturally. When it cools to 10 ℃, filter it using a 50-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch. Example 3
[0022] This implementation is a further refinement based on Example 1: In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root into the crushing mechanism at the same time for crushing, and then use a 7-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 50 ℃, heat at a rate of 5 ℃ per minute for 4 hours, and then allow it to cool naturally. When it cools to 15 ℃, filter it using a 300-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch. Example 4
[0023] This implementation is a further refinement based on Example 1: In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 5-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 35 ℃, heat at a rate of 4 ℃ per minute for 3 hours, and then allow it to cool naturally. When it cools to 12 ℃, filter it using a 180-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch. Example 5
[0024] This implementation is a further refinement based on Example 2: The method for adding warm water is as follows: add warm water at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, increase the speed to 100 r / min. Example 6
[0025] This implementation is a further refinement based on Example 2: The method for heating and evaporating the filtered filtrate is as follows: spread the filtered filtrate evenly on a flat-bottomed pan to a depth of 5 cm, stir at a speed of 15 r / min, and simultaneously heat the pan to dry. Example 7
[0026] This implementation is a further refinement based on Example 1: In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 20 r / min, add warm water at 20℃ to the juice; 2) Use a 1-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice. Example 8
[0027] This implementation is a further refinement based on Example 1: In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 30 r / min, add warm water at 30℃ to the juice; 2) Use a 3-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice. Example 9
[0028] This implementation is a further refinement based on Example 1: In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 28 r / min, add warm water at 28℃ to the juice; 2) Use a 2-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice. Example 10
[0029] This implementation is a further refinement based on Example 8: The volume ratio of the juice to the warm water added and mixed is 1:2. Example 11
[0030] This implementation is a further refinement based on Example 8: The filtrate was heated and concentrated at 100 °C. Example 12
[0031] This implementation is a further refinement based on Example 1: In step S3: after heating and melting the bio-based polymer, polyethylene, polypropylene, plasticizer and antioxidant are added to it under stirring at a speed of 280 r / min, and then stirring and mixing is continued for 19 min; then the mixture is cooled and solidified at a uniform speed. Example 13
[0032] A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at 280 r / min, and continue stirring and mixing for 19 min; then cool down and solidify at a uniform rate.
[0033] In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 5-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 35 ℃, heat at a rate of 4 ℃ per minute for 3 hours, and then allow it to cool naturally. When it cools to 12 ℃, filter it using a 180-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0034] The method of adding warm water is as follows: add warm water at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, increase the speed to 100 r / min; the method of heating and evaporating the filtered filtrate is as follows: spread the filtered filtrate evenly on a flat-bottomed pan to a depth of 5 cm, stir at a speed of 15 r / min, and heat the pan to dry.
[0035] And, in the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 28 r / min, add warm water at 28℃ to the juice; 2) Use a 2-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0036] The volume ratio of the added juice to warm water is 1:2. The filtrate is then heated and concentrated at 100 °C. Example 14
[0037] A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at 280 r / min, and continue stirring and mixing for 19 min; then cool down and solidify at a uniform rate.
[0038] In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 4-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 30 ℃, heat at a rate of 3 ℃ per minute for 2 hours, and then allow it to cool naturally. When it cools to 10 ℃, filter it using a 50-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0039] The method of adding warm water is as follows: add warm water at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, increase the speed to 100 r / min; the method of heating and evaporating the filtered filtrate is as follows: spread the filtered filtrate evenly on a flat-bottomed pan to a depth of 5 cm, stir at a speed of 15 r / min, and heat the pan to dry.
[0040] And, in the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 28 r / min, add warm water at 28℃ to the juice; 2) Use a 2-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0041] The volume ratio of the added juice to warm water is 1:2. The filtrate is then heated and concentrated at 100 °C. Example 15
[0042] A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at 280 r / min, and continue stirring and mixing for 19 min; then cool down and solidify at a uniform rate.
[0043] In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root into the crushing mechanism at the same time for crushing, and then use a 7-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 50 ℃, heat at a rate of 5 ℃ per minute for 4 hours, and then allow it to cool naturally. When it cools to 15 ℃, filter it using a 300-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0044] And, in the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 28 r / min, add warm water at 28℃ to the juice; 2) Use a 2-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0045] The volume ratio of the added juice to warm water is 1:2. The filtrate is then heated and concentrated at 100 °C. Example 16
[0046] A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at 280 r / min, and continue stirring and mixing for 19 min; then cool down and solidify at a uniform rate.
[0047] In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 5-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 35 ℃, heat at a rate of 4 ℃ per minute for 3 hours, and then allow it to cool naturally. When it cools to 12 ℃, filter it using a 180-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0048] The method of adding warm water is as follows: add warm water at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, increase the speed to 100 r / min; the method of heating and evaporating the filtered filtrate is as follows: spread the filtered filtrate evenly on a flat-bottomed pan to a depth of 5 cm, stir at a speed of 15 r / min, and heat the pan to dry.
[0049] And, in the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 20 r / min, add warm water at 20℃ to the juice; 2) Use a 1-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0050] The volume ratio of the added juice to warm water is 1:2. The filtrate is then heated and concentrated at 100 °C. Example 17
[0051] A method for producing environmentally friendly plastics includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at 280 r / min, and continue stirring and mixing for 19 min; then cool down and solidify at a uniform rate.
[0052] In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then use a 5-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 35 ℃, heat at a rate of 4 ℃ per minute for 3 hours, and then allow it to cool naturally. When it cools to 12 ℃, filter it using a 180-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
[0053] The method of adding warm water is as follows: add warm water at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, increase the speed to 100 r / min; the method of heating and evaporating the filtered filtrate is as follows: spread the filtered filtrate evenly on a flat-bottomed pan to a depth of 5 cm, stir at a speed of 15 r / min, and heat the pan to dry.
[0054] And, in the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 30 r / min, add warm water at 30℃ to the juice; 2) Use a 3-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
[0055] The volume ratio of the added juice to warm water is 1:2. The filtrate is then heated and concentrated at 100 °C.
[0056] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.
[0057] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A method for producing environmentally friendly plastics, characterized in that, Includes the following steps: S1. Preparation of bio-based mixture Starch is extracted from sweet potatoes and kudzu roots, and concentrated juice is extracted from sugarcane; the starch is then mixed into the concentrated juice to create a bio-based mixture. S2, Bio-based mixtures are made into bio-based polymers through fermentation and polymerization processes; S3. After heating and melting the bio-based polymer, add polyethylene, polypropylene, plasticizer and antioxidant to it while stirring at a speed of 200-300 r / min, and continue stirring and mixing for 10-30 min; then cool down and solidify at a uniform speed.
2. The method for producing environmentally friendly plastics according to claim 1, characterized in that, In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root to the crushing mechanism at the same time for crushing, and then filter them with a 4-7 mesh filter to remove substances that do not meet the volume requirements. 2) Add warm water at a temperature of 30-50℃, heat at a rate of 3-5℃ per minute for 2-4 hours, and then allow it to cool naturally. When it cools to 10-15℃, filter it using a 50-300 mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
3. The method for producing environmentally friendly plastics according to claim 2, characterized in that, In the preparation of the bio-based mixture S1: 1) Add sweet potato and kudzu root into the crushing mechanism at the same time for crushing, and then use a 5-mesh filter to filter out substances that do not meet the volume requirements. 2) Add warm water at 35 ℃, heat at a rate of 4 ℃ per minute for 3 hours, and then allow it to cool naturally. When it cools to 12 ℃, filter it using a 180-mesh filter cloth. 3) Heat the filtered liquid to evaporate it to dryness, and then extract the starch.
4. A method for producing environmentally friendly plastics according to claim 2 or 3, characterized in that, The method for adding warm water is as follows: add warm water at a rate of 50 mL / min while stirring at a speed of 15 r / min; after all the warm water has been added, increase the speed to 100 r / min.
5. A method for producing environmentally friendly plastics according to claim 2 or 3, characterized in that, The method for heating and evaporating the filtered filtrate is as follows: spread the filtered filtrate evenly on a flat-bottomed pan to a depth of 5 cm, stir at a speed of 15 r / min, and simultaneously heat the pan to dry.
6. The method for producing environmentally friendly plastics according to claim 1, characterized in that, In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at a speed of 20-30 r / min, add warm water at a temperature of 20-30 ℃ to the juice; 2) Use a 1-3 mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
7. The method for producing environmentally friendly plastics according to claim 6, characterized in that, In the preparation of the bio-based mixture S1: 1) Squeeze the juice from the sugarcane, and while stirring at 28 r / min, add warm water at 28 ℃ to the juice; 2) Use a 2-mesh filter cloth to filter and remove impurities; 3) Heat and concentrate the filtrate to obtain concentrated sugarcane juice.
8. A method for producing environmentally friendly plastics according to claim 6 or 7, characterized in that, The volume ratio of the juice to the warm water added and mixed is 1:
2.
9. A method for producing environmentally friendly plastics according to claim 6 or 7, characterized in that, The filtrate was heated and concentrated at 100 °C.
10. A method for producing environmentally friendly plastics according to claim 1, characterized in that, In step S3: after heating and melting the bio-based polymer, polyethylene, polypropylene, plasticizer and antioxidant are added to it under stirring at a speed of 280 r / min, and then stirring and mixing is continued for 19 min; then the mixture is cooled and solidified at a uniform speed.