CN112679922A - Degradable modified material based on PBS (Poly Butylene succinate) and preparation method thereof - Google Patents
Degradable modified material based on PBS (Poly Butylene succinate) and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a new material and preparation thereof, and particularly relates to a degradable modified material based on PBS and a preparation method thereof, wherein the degradable modified material based on PBS comprises, by mass, 30-50 parts of PBS, 20-30 parts of modified composite fibers, 15-25 parts of vegetable oil, 10-15 parts of modified light calcium carbonate, 8-12 parts of modified nano calcium carbonate, 6-10 parts of polypropylene grafted maleic anhydride, 3-5 parts of an antioxidant and the balance of water. The degradable modified material based on PBS provided by the invention has the advantages that the modified composite fiber and the PBS matrix are melted and blended, so that the production cost is greatly reduced; the waste biomass resources are used, so that the problems of environmental pollution and the like caused by discarding can be avoided, and waste can be changed into valuable; meanwhile, the degradation speed of the modified composite fiber in natural soil is higher than that of pure PBS, and the modified composite fiber can accelerate the degradation of PBS.
Description
Technical Field
The present invention relates to a new material and its preparation, which uses general physical or chemical method to prepare the material, concretely, uses general method to granulate raw material, uses melting (fusing) means and colloid chemical means to obtain new material, and also relates to general chemical method to react liquid with liquid. In addition, the invention also relates to a preparation method of the biological material and the environment degradation material, in particular to a preparation method of the degradable modified material based on PBS.
Background
At present, with the increasing severity of problems such as environmental pollution and energy shortage, the development and application of environment-friendly materials have become the focus of research. The environment-friendly material takes renewable resources as raw materials, and the product has the advantages of biodegradability, rich raw material sources, no pollution in product degradation and the like, so that the product is promoted to be greatly developed and applied. In the course of product development, degradable polymers have received extensive attention due to their preparation using non-petroleum based feedstocks.
PBS (poly butylene succinate) is a degradable plastic with good mechanical property, degradation property and processability, belongs to outstanding biodegradable plastic materials, has extremely wide application, and can be used in the fields of packaging, tableware, cosmetic bottles, medicine bottles, disposable medical supplies, agricultural films, pesticide and fertilizer slow release materials, biomedical polymer materials and the like. The PBS has excellent comprehensive performance, reasonable cost performance and good application and popularization prospects. Compared with other biodegradable plastics, the PBS has very excellent mechanical property, which is close to PP and ABS plastics; the heat resistance is good, the thermal deformation temperature is close to 100 ℃, the use temperature after modification is close to 100 ℃, the modified biodegradable plastic can be used for preparing hot and cold drink packages and lunch boxes, and the defect of low heat resistance temperature of other biodegradable plastics is overcome; the processing performance is very good, various molding processing can be carried out on the existing plastic processing general equipment, the processing performance of the existing degradable plastic is the best, and meanwhile, a large amount of fillers such as calcium carbonate, starch and the like can be blended to obtain a product with low price; PBS production can be carried out by slightly modifying the conventional general polyester production equipment, the capacity of the conventional domestic polyester equipment is seriously surplus, and the modified PBS production provides a new application for the surplus polyester equipment. In addition, PBS can be degraded only under the conditions of compost, water body and other specific microorganisms, and has very stable performance in the normal storage and use processes. The PBS takes aliphatic dibasic acid and dihydric alcohol as main raw materials, can meet the requirements by means of petrochemical products, and can be produced by natural renewable crop products such as cellulose, dairy byproducts, glucose, fructose, lactose and the like through a biological fermentation way, thereby realizing natural and natural returning green cycle production. And the raw materials produced by adopting the biological fermentation process can greatly reduce the cost of the raw materials, thereby further reducing the cost of PBS. However, the PBS prepared by the prior art has low processing temperature, and the finally prepared PBS has small molecular weight, low viscosity and higher price, so that the application of the PBS is limited.
Meanwhile, natural fibers are often used to replace some synthetic fibers to act as reinforcing and bulking agents due to their low cost, ready availability, renewability, and good biocompatibility. In recent years, more and more natural fibers are used for filling modification of degradable plastics to improve the mechanical property, the thermal property, the crystallization property and the degradation property of the degradable plastics. However, the common degradation of the existing biodegradable plastics is carried out under the condition of compost, which has strict requirements on soil and harsh conditions, but most of the plastic products are basically contacted with natural soil after being used or buried in the natural soil and are discarded on the spot after being used. Therefore, a new degradable modified material combining the PBS material and the natural fiber and a preparation method thereof are needed.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) PBS prepared by the prior art has low processing temperature, and the finally prepared PBS has small molecular weight, low viscosity and higher price, so the application of the PBS is limited.
(2) The common degradation of the existing biodegradable plastics is carried out under the condition of compost, which has strict requirements on soil and harsh conditions, however, most of the plastic products are basically contacted with natural soil after being used or buried in the natural soil, and are discarded on the spot after being used, and the degradation conditions cannot be reached.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a degradable modified material based on PBS and a preparation method thereof.
The invention is realized in such a way that a preparation method of a degradable modified material based on PBS comprises the following steps:
weighing PBS, vegetable oil, modified composite fiber and modified light calcium carbonate according to a ratio, and sequentially putting the weighed materials into a mixer to be uniformly mixed to obtain a mixed raw material A;
the preparation method of the modified composite fiber comprises the following steps:
(I) collecting the composite fiber, washing with clear water, and drying in the sun or oven; grinding and crushing, and sieving by a 40-60-mesh sieve; drying in a blast drying oven at 120-140 ℃ for 3-5 h;
(II) placing the composite fiber in an acrylic acid solution according to a bath ratio of 1: 20-25, soaking for 2-4 hours at normal temperature, and filtering; then placing the mixture in an ultrasonic cleaner for ultrasonic treatment, and standing for 20-24 hours after the ultrasonic treatment; the temperature of the ultrasonic treatment is 60-90 ℃, and the time of the ultrasonic treatment is 40-60 min;
(III) placing the composite fiber in a KH550 and ethanol solution according to a bath ratio of 1: 15-20, soaking for 2-3 h, filtering, washing for 3-5 times, and drying in an oven at 90-95 ℃ for 3-6 h to obtain a modified composite fiber;
step two, modifying nano calcium carbonate by using ethanol and KH550, and then uniformly mixing with polypropylene grafted maleic anhydride to obtain a mixed raw material B;
the modification treatment of the nano calcium carbonate by using ethanol and KH550 comprises the following steps:
(2.1) mixing the nano calcium carbonate and distilled water according to a proportion, uniformly stirring and slowly heating; continuously introducing carbon dioxide into the mixed solution, and stopping heating when the mixed solution is heated to 65 ℃ to obtain a mixed solution A;
(2.2) taking a part of the mixed solution A, adding ethanol and KH550 into the mixed solution A in proportion, and uniformly stirring to obtain a mixed solution B;
(2.3) simultaneously adding the rest mixed solution A and the rest mixed solution B into a mixer, heating while stirring, stopping heating when the temperature is raised to 110 ℃, preserving the heat for 5min, and then carrying out water removal treatment for 6 min;
(2.4) continuously heating the mixed solution subjected to the water removal treatment to 160 ℃, and simultaneously activating the heated substances for a period of time;
(2.5) naturally cooling the activated nano calcium carbonate to obtain modified nano calcium carbonate;
step three, after the mixed raw material A and the mixed raw material B are placed in a stirrer to be uniformly mixed, adding an antioxidant and water under the stirring state, adjusting the pH value, and reacting for 20-24 hours at the temperature of 40-60 ℃ to obtain a reactant;
the third step comprises:
(3.1) adding the mixed raw material A and the mixed raw material B into a stirrer in proportion, and starting a power device of the stirrer to rotate stirring blades;
(3.2) adding an antioxidant and water to the stirring agitator, and continuing to stir for a period of time;
(3.3) adding a pH value regulator into the stirrer to regulate the pH value of the mixed solution;
and (3.4) heating the adjusted solution by using a heater, slowly raising the temperature to 40-60 ℃, and preserving the temperature for 20-24 hours to obtain the reactant.
According to a preferred embodiment of the invention, the obtained reactants are poured into a double-screw extruder to be melted, and after being uniformly mixed, the reactants are extruded and cut into particles, so that the degradable modified material based on PBS is obtained.
According to a preferred embodiment of the present invention, in the step (I), the composite fiber is a mixed fiber composed of wheat straw fiber, cereal fiber, poplar fiber and sugarcane peel fiber.
According to a preferred embodiment of the present invention, in the step (2.1), the mixing ratio of the nano calcium carbonate and the distilled water is 1: 15.
according to a preferred embodiment of the invention, in the third step, the rotation speed of the stirrer is 1200-1500 rpm, and the stirring time is 20-40 min.
According to a preferred embodiment of the present invention, in the third step, the pH regulator used for adjusting the pH is sodium hydroxide, sodium carbonate, potassium carbonate, sodium bicarbonate, citric acid, acetic acid, tartaric acid, malic acid, sodium citrate, potassium citrate or hydrochloric acid.
According to a preferred embodiment of the invention, the extrusion temperature of the twin-screw extruder does not exceed 200 ℃.
Another object of the present invention is to provide a PBS-based degradable modified material prepared by the method for preparing the PBS-based degradable modified material according to any one of the preceding embodiments, wherein the PBS-based degradable modified material comprises, by mass, 30 to 50 parts of PBS, 20 to 30 parts of modified composite fiber, 15 to 25 parts of vegetable oil, 10 to 15 parts of modified light calcium carbonate, 8 to 12 parts of modified nano calcium carbonate, 6 to 10 parts of polypropylene grafted maleic anhydride, 3 to 5 parts of antioxidant and the balance of water.
According to a preferred embodiment of the present invention, the vegetable oil is one or more of corn oil, sesame oil, rapeseed oil, soybean oil, peanut oil.
According to a preferred embodiment of the present invention, the antioxidant is one or more of antioxidant 1010, antioxidant 168, antioxidant PS800 FL.
By combining all the technical schemes, the invention has the advantages and positive effects that: the novel degradable modified material based on PBS provided by the invention has the advantages that the modified composite fiber and the PBS matrix are melted and blended, so that the production cost is greatly reduced; the waste biomass resources (wheat straws and sugarcane peels) are used, so that the problems of environmental pollution and the like caused by discarding can be avoided, and waste can be changed into valuable. The degradation speed of the invention in natural soil is faster than that of pure PBS, and the modified composite fiber can accelerate the degradation of PBS.
The invention also adds modified light calcium carbonate into PBS, which can improve the mechanical property of PBS, reduce the cost and improve the sticky temperature of PBS. The novel degradable modified PBS material prepared by the invention is a completely biodegradable high polymer material, has good heat resistance, the heat distortion temperature and the product use temperature can exceed 100 ℃, and has good processing performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a flow chart of a preparation method of a novel degradable modified material based on PBS provided by an embodiment of the invention.
Fig. 2 is a flow chart of a method for preparing a modified composite fiber according to an embodiment of the present invention.
Fig. 3 is a flow chart of a method for modifying nano calcium carbonate by ethanol and KH550 according to an embodiment of the present invention.
FIG. 4 is a flow chart of a method for adjusting the pH of a mixture of solutions according to an embodiment of the present invention.
FIG. 5 is a graph comparing hardness of materials in examples 1 to 3 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a novel degradable modified material based on PBS and a preparation method thereof, and the invention is described in detail with reference to the attached drawings.
The novel degradable modified material based on PBS provided by the embodiment of the invention comprises, by mass, 30-50 parts of PBS, 20-30 parts of modified composite fibers, 15-25 parts of vegetable oil, 10-15 parts of modified light calcium carbonate, 8-12 parts of modified nano calcium carbonate, 6-10 parts of polypropylene grafted maleic anhydride, 3-5 parts of antioxidant and the balance of water.
The sum of the parts mentioned in the invention does not require the total number to be 100 parts as long as the parts ratio among the components is satisfied, but the sum of the components is 100%.
The vegetable oil provided by the embodiment of the invention is one or more of corn oil, sesame oil, rapeseed oil, soybean oil and peanut oil.
The antioxidant provided by the embodiment of the invention is one or more of antioxidant 1010, antioxidant 168 and antioxidant PS800 FL.
As shown in fig. 1, the preparation method of the novel degradable modified material based on PBS provided by the embodiment of the present invention includes the following steps:
s101, weighing the PBS, the vegetable oil, the modified composite fiber and the modified light calcium carbonate according to the proportion, and sequentially putting the weighed materials into a high-speed mixer to be uniformly mixed to obtain a mixed raw material A.
S102, modifying nano calcium carbonate by using ethanol and KH550, and then uniformly mixing with polypropylene grafted maleic anhydride to obtain a mixed raw material B.
S103, placing the mixed raw material A and the mixed raw material B in a stirrer, uniformly mixing, adding an antioxidant and water in a stirring state, adjusting the pH value, and reacting for 20-24 hours at 40-60 ℃ to obtain a reactant.
And S104, pouring the obtained reactant into a double-screw extruder for melting, uniformly mixing, extruding and dicing to obtain the novel degradable modified material based on the PBS.
As shown in fig. 2, in step S101, the preparation method of the modified composite fiber provided by the embodiment of the present invention includes:
s201, collecting composite fibers, washing with clear water, and drying in the sun or in the oven; and after grinding and crushing, screening by a 40-60-mesh sieve, and drying in a forced air drying oven at 120-140 ℃ for 3-5 h.
S202, placing the composite fiber in an acrylic acid solution according to a bath ratio of 1: 20-25, soaking for 2-4 hours at normal temperature, and filtering; and then placing the mixture in an ultrasonic cleaner for ultrasonic treatment, and standing for 20-24 hours after the ultrasonic treatment.
S203, placing the composite fiber in a KH550 and ethanol solution according to a bath ratio of 1: 15-20, soaking for 2-3 h, filtering, washing for 3-5 times, and drying in an oven at 90-95 ℃ for 3-6 h to obtain the modified composite fiber.
In step S201, the composite fiber provided in the embodiment of the present invention is a mixed fiber composed of wheat straw fiber, cereal fiber, poplar fiber, and sugarcane peel fiber.
In step S202, the temperature of the ultrasonic treatment provided by the embodiment of the invention is 60-90 ℃, and the time of the ultrasonic treatment is 40-60 min.
In step S103, the rotation speed of the stirrer provided by the embodiment of the present invention is 1200 to 1500 rpm, and the stirring time is 20 to 40 min.
In step S103, the pH adjusting agent used for adjusting the pH provided in the embodiment of the present invention is sodium hydroxide, sodium carbonate, potassium carbonate, sodium bicarbonate, citric acid, acetic acid, tartaric acid, malic acid, sodium citrate, potassium citrate, or hydrochloric acid.
In step S104, the extrusion temperature of the twin-screw extruder provided by the embodiment of the present invention does not exceed 200 ℃.
As shown in fig. 3, in step S102, the modification treatment of nano calcium carbonate with ethanol and KH550 provided by the embodiment of the present invention includes:
s301, mixing nano calcium carbonate and distilled water in proportion, uniformly stirring and slowly heating; continuously introducing carbon dioxide into the mixed solution, and stopping heating when the mixed solution is heated to 65 ℃ to obtain a mixed solution A;
s302, taking a part of the mixed solution A, adding ethanol and KH550 into the mixed solution A in proportion, and uniformly stirring to obtain a mixed solution B;
s303, simultaneously adding the rest mixed solution A and the rest mixed solution B into a high-speed mixer, heating while stirring, stopping heating when the temperature is raised to 110 ℃, keeping the temperature for 5min, and then carrying out water removal treatment for 6 min;
s304, continuously heating the mixed solution subjected to the water removal treatment to 160 ℃, and simultaneously activating the heated substances for a period of time;
s305, naturally cooling the activated nano calcium carbonate to obtain the modified nano calcium carbonate.
As shown in fig. 4, step S103 provided in the embodiment of the present invention specifically includes:
s401, adding the mixed raw material A and the mixed raw material B into a stirrer in proportion, and starting a power device of the stirrer to rotate stirring blades;
s402, adding an antioxidant and water into the stirring stirrer, and continuously stirring for a period of time;
s403, adding a pH value regulator into the stirrer to regulate the pH value of the mixed solution;
s404, heating the adjusted solution by using a heater, slowly raising the temperature to 40-60 ℃, and preserving the temperature for 20-24 hours to obtain a reactant;
the technical solution of the present invention is further illustrated by the following specific examples.
Example 1:
the preparation method of the novel degradable modified material based on PBS provided by the embodiment of the invention comprises the following steps:
(1) weighing 30 parts of PBS, 15 parts of vegetable oil, 20 parts of modified composite fiber and 10 parts of modified light calcium carbonate, and sequentially putting the materials into a high-speed mixer to be uniformly mixed to obtain a mixed raw material A.
(2) After 8 parts of nano calcium carbonate is modified by ethanol and KH550, the nano calcium carbonate and 6 parts of polypropylene grafted maleic anhydride are uniformly mixed to obtain a mixed raw material B.
(3) And (3) placing the mixed raw material A and the mixed raw material B in a stirrer, uniformly mixing, adding 3 parts of antioxidant and water in a stirring state, adjusting the pH value, and reacting for 20 hours at 40 ℃ to obtain a reactant.
(4) And pouring the obtained reactant into a double-screw extruder for melting, uniformly mixing, extruding and granulating to obtain the novel degradable modified material based on the PBS.
Example 2:
the preparation method of the novel degradable modified material based on PBS provided by the embodiment of the invention comprises the following steps:
(1) weighing 25 parts of PBS, 20 parts of vegetable oil, 25 parts of modified composite fiber and 12 parts of modified light calcium carbonate, and sequentially putting the materials into a high-speed mixer to be uniformly mixed to obtain a mixed raw material A.
(2) After 10 parts of nano calcium carbonate is modified by ethanol and KH550, the nano calcium carbonate and 8 parts of polypropylene grafted maleic anhydride are uniformly mixed to obtain a mixed raw material B.
(3) And (3) placing the mixed raw material A and the mixed raw material B in a stirrer, uniformly mixing, adding 4 parts of antioxidant and water under the stirring state, adjusting the pH value, and reacting for 22 hours at 50 ℃ to obtain a reactant.
(4) And pouring the obtained reactant into a double-screw extruder for melting, uniformly mixing, extruding and granulating to obtain the novel degradable modified material based on the PBS.
Example 3:
the preparation method of the novel degradable modified material based on PBS provided by the embodiment of the invention comprises the following steps:
(1) weighing 50 parts of PBS, 25 parts of vegetable oil, 30 parts of modified composite fiber and 15 parts of modified light calcium carbonate, and sequentially putting the materials into a high-speed mixer to be uniformly mixed to obtain a mixed raw material A.
(2) After modifying 12 parts of nano calcium carbonate by using ethanol and KH550, uniformly mixing with 10 parts of polypropylene grafted maleic anhydride to obtain a mixed raw material B.
(3) And (3) placing the mixed raw material A and the mixed raw material B in a stirrer, uniformly mixing, adding 5 parts of antioxidant and water under the stirring state, adjusting the pH value, and reacting for 24 hours at the temperature of 60 ℃ to obtain a reactant.
(4) And pouring the obtained reactant into a double-screw extruder for melting, uniformly mixing, extruding and granulating to obtain the novel degradable modified material based on the PBS.
The materials of examples 1-3 were tested for performance and the results were as follows:
| performance of | Hardness s (R) | Workability |
| Example 1 | 98 | ++++ |
| Example 2 | 97 | ++++ |
| Example 3 | 96 | ++++ |
The more "+" the better the performance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A preparation method of a degradable modified material based on PBS (Poly Butylene succinate) is characterized by comprising the following steps of:
weighing PBS, vegetable oil, modified composite fiber and modified light calcium carbonate according to a ratio, and sequentially putting the weighed materials into a mixer to be uniformly mixed to obtain a mixed raw material A;
the preparation method of the modified composite fiber comprises the following steps:
(I) collecting the composite fiber, washing with clear water, and drying in the sun or oven; grinding and crushing, and sieving by a 40-60-mesh sieve; drying in a blast drying oven at 120-140 ℃ for 3-5 h;
(II) placing the composite fiber in an acrylic acid solution according to a bath ratio of 1: 20-25, soaking for 2-4 hours at normal temperature, and filtering; then placing the mixture in an ultrasonic cleaner for ultrasonic treatment, and standing for 20-24 hours after the ultrasonic treatment; the temperature of the ultrasonic treatment is 60-90 ℃, and the time of the ultrasonic treatment is 40-60 min;
(III) placing the composite fiber in a KH550 and ethanol solution according to a bath ratio of 1: 15-20, soaking for 2-3 h, filtering, washing for 3-5 times, and drying in an oven at 90-95 ℃ for 3-6 h to obtain a modified composite fiber;
step two, modifying nano calcium carbonate by using ethanol and KH550, and then uniformly mixing with polypropylene grafted maleic anhydride to obtain a mixed raw material B;
the modification treatment of the nano calcium carbonate by using ethanol and KH550 comprises the following steps:
(2.1) mixing the nano calcium carbonate and distilled water according to a proportion, uniformly stirring and slowly heating; continuously introducing carbon dioxide into the mixed solution, and stopping heating when the mixed solution is heated to 65 ℃ to obtain a mixed solution A;
(2.2) taking a part of the mixed solution A, adding ethanol and KH550 into the mixed solution A in proportion, and uniformly stirring to obtain a mixed solution B;
(2.3) simultaneously adding the rest mixed solution A and the rest mixed solution B into a mixer, heating while stirring, stopping heating when the temperature is raised to 110 ℃, preserving the heat for 5min, and then carrying out water removal treatment for 6 min;
(2.4) continuously heating the mixed solution subjected to the water removal treatment to 160 ℃, and simultaneously activating the heated substances for a period of time;
(2.5) naturally cooling the activated nano calcium carbonate to obtain modified nano calcium carbonate;
step three, after the mixed raw material A and the mixed raw material B are placed in a stirrer to be uniformly mixed, adding an antioxidant and water under the stirring state, adjusting the pH value, and reacting for 20-24 hours at the temperature of 40-60 ℃ to obtain a reactant;
the third step comprises:
(3.1) adding the mixed raw material A and the mixed raw material B into a stirrer in proportion, and starting a power device of the stirrer to rotate stirring blades;
(3.2) adding an antioxidant and water to the stirring agitator, and continuing to stir for a period of time;
(3.3) adding a pH value regulator into the stirrer to regulate the pH value of the mixed solution;
and (3.4) heating the adjusted solution by using a heater, slowly raising the temperature to 40-60 ℃, and preserving the temperature for 20-24 hours to obtain the reactant.
2. The method for preparing the degradable modified material based on PBS according to claim 1, wherein the obtained reactants are poured into a double-screw extruder to be melted, and after being uniformly mixed, the reactants are extruded and cut into particles to obtain the degradable modified material based on PBS.
3. The method for preparing the degradable modified material based on PBS according to claim 1, wherein in the step (I), the composite fiber is a mixed fiber composed of wheat straw fiber, cereal fiber, poplar fiber and sugarcane peel fiber.
4. The method for preparing the degradable modified material based on PBS according to claim 1, wherein in the step (2.1), the mixing ratio of the nano calcium carbonate to the distilled water is 1: 15.
5. the preparation method of the degradable modified material based on PBS (phosphate buffer solution) as described in claim 1, wherein in the third step, the rotation speed of the stirrer is 1200-1500 rpm, and the stirring time is 20-40 min.
6. The method for preparing the degradable modified material based on PBS according to claim 1, wherein in the third step, the pH regulator used for regulating the pH value is sodium hydroxide, sodium carbonate, potassium carbonate, sodium bicarbonate, citric acid, acetic acid, tartaric acid, malic acid, sodium citrate, potassium citrate or hydrochloric acid.
7. The method for preparing the degradable modified material based on PBS according to claim 2, wherein the extrusion temperature of the twin-screw extruder is not more than 200 ℃.
8. The PBS-based degradable modified material prepared by the PBS-based degradable modified material preparation method of any one of claims 1 to 7, wherein the PBS-based degradable modified material consists of 30 to 50 parts by mass of PBS, 20 to 30 parts by mass of modified composite fibers, 15 to 25 parts by mass of vegetable oil, 10 to 15 parts by mass of modified light calcium carbonate, 8 to 12 parts by mass of modified nano calcium carbonate, 6 to 10 parts by mass of polypropylene grafted maleic anhydride, 3 to 5 parts by mass of antioxidant and the balance of water.
9. The PBS-based degradable modified material of claim 8, wherein the vegetable oil is one or more of corn oil, sesame oil, rapeseed oil, soybean oil, and peanut oil.
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| CN103205100A (en) * | 2013-03-22 | 2013-07-17 | 贵州省复合改性聚合物材料工程技术研究中心 | High-performance PPC (poly(propylene carbonate)) and PBS (poly(butylene succinate) blend and preparation method thereof |
| CN107057389A (en) * | 2017-03-13 | 2017-08-18 | 阜阳市金木工艺品有限公司 | A kind of biodegradable PLA PBS Wood Fiber Composite foamed materials and preparation method thereof |
| CN107325501A (en) * | 2017-07-19 | 2017-11-07 | 池州学院 | A kind of Sweetcane bark fiber base blending type PBS degradation plastics and preparation method thereof |
| WO2020005401A1 (en) * | 2018-06-26 | 2020-01-02 | Intrinsic Advanced Materials, LLC | Biodegradable textiles, masterbatches, and method of making biodegradable fibers |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205100A (en) * | 2013-03-22 | 2013-07-17 | 贵州省复合改性聚合物材料工程技术研究中心 | High-performance PPC (poly(propylene carbonate)) and PBS (poly(butylene succinate) blend and preparation method thereof |
| CN107057389A (en) * | 2017-03-13 | 2017-08-18 | 阜阳市金木工艺品有限公司 | A kind of biodegradable PLA PBS Wood Fiber Composite foamed materials and preparation method thereof |
| CN107325501A (en) * | 2017-07-19 | 2017-11-07 | 池州学院 | A kind of Sweetcane bark fiber base blending type PBS degradation plastics and preparation method thereof |
| WO2020005401A1 (en) * | 2018-06-26 | 2020-01-02 | Intrinsic Advanced Materials, LLC | Biodegradable textiles, masterbatches, and method of making biodegradable fibers |
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