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Bagasse soybean protein fully-degradable material and preparation method and application thereof

A technology of soybean protein and bagasse, which is applied in the fields of application, sustainable manufacturing/processing, flexible coverings, etc., can solve the problems of rare research on bagasse soybean protein composite degradation materials, achieve excellent mechanical properties, improve performance, reduce cost effect

Active Publication Date: 2015-12-02
广东省科学院生物与医学工程研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the research on bagasse soybean protein composite degradation materials is very rare

Method used

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  • Bagasse soybean protein fully-degradable material and preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Break up the bagasse from the sugar factory, add bean dregs powder equivalent to 10% of the bagasse mass, mix evenly, pack into bags, put into a sterilizer for high-temperature steam sterilization (121°C, 20min), and add Pleurotus ostreatus The inoculant (purchased from Jiangsu Jiangdu Tianda Edible Fungi Research Institute, the strain name is Xuemei F2), placed indoors, cultivated at room temperature (20-30°C) for 14 days, after the bagged medium is covered with mycelium , unpack the bag, dry and pulverize the bagged culture medium together with the mycelium to 20 mesh, and obtain the bagasse fiber pretreated by the biological method.

[0029] After mixing the bagasse fiber pretreated by biological method with a mass percentage content of 5%, soybean protein isolate powder with a mass percentage content of 85% and plasticizer glycerin with a mass percentage content of 10%, add the single-screw extruder After being extruded at an extrusion temperature of 100°C and a scr...

Embodiment 2

[0031] Disperse the bagasse from the sugar factory, add bean dregs powder equivalent to 15% of the bagasse mass, mix evenly, pack into bags, put into a sterilizer for high-temperature steam sterilization (115°C, 30min), and inoculate with Ganoderma lucidum (purchased from Jiangsu Jiangdu Tianda Edible Fungi Research Institute, the name of the strain is Tianzhi), placed indoors, and cultivated at room temperature (20-30°C) for 21 days. bag, dry and pulverize the bagged culture medium together with mycelium to 40 mesh, and obtain the bagasse fiber pretreated by biological method.

[0032] After mixing the bagasse fiber with 10% mass percentage content of biological method pretreatment, 85% mass percentage content of soybean protein powder and 5% mass percentage content of plasticizer caprolactam, add the single-screw extruder After being extruded at an extrusion temperature of 110°C and a screw speed of 50r / min, it was put into the mold of a flat-plate hot press, and hot-pressed...

Embodiment 3

[0034] Disperse the bagasse from the sugar factory, add okara powder equivalent to 5% of bagasse, mix evenly, pack into bags, put into a sterilizer for high-temperature steam sterilization (121°C, 15min), and add Ganoderma lucidum inoculum (purchased from Jiangsu Jiangdu Tianda Edible Fungi Research Institute, the strain name is Tianzhi), put it indoors, and cultivate it at room temperature (20-30°C) for 30 days. After the bagged culture medium is covered with mycelium, unpack the bag , drying and pulverizing the bagged culture medium together with the mycelium to 80 meshes to obtain the bagasse fiber pretreated by the biological method.

[0035] After mixing the bagasse fiber with 15% mass percentage content of biological method pretreatment, 70% mass percentage content soybean protein isolate powder and 15% mass percentage content plasticizer glycerin, add the single screw extruder After being extruded at an extrusion temperature of 100°C and a screw speed of 60r / min, it was...

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Abstract

The invention discloses a bagasse soybean protein fully-degradable material and a preparation method and application thereof. The bagasse soybean protein fully-degradable material comprises, by mass, 5-40% of bagasse, 50-90% of soybean protein isolate powder and 5-20% of plasticizer, which are pre-treated by a biological method. The preparation method includes: well mixing bagasse, the soybean protein isolate powder and the plasticizer which are pre-treated by the biological method; adding the components into a single-screw extruder for extruding at extruding temperature of 90-120 DEG C and screw rotating speed of 40-80r / min; placing the components into a die of a flat hot press for hot pressing at 110-130 DEG C and 5-15MPa for 5-10 minutes to obtain the bagasse soybean protein fully-degradable material. The bagasse soybean protein fully-degradable material has the advantages of environment protection, mildew prevention, resistance to storage and excellent mechanical performance, and can be used in the field of agricultural seedling raising pot materials and environment-friendly packaging materials.

Description

technical field [0001] The invention belongs to the field of biodegradable materials, and in particular relates to a bagasse soybean protein fully degradable material and a preparation method and application thereof. Background technique [0002] In the 21st century, environmental pollution and resource shortage are two important problems that are difficult to solve for countries all over the world. In order to solve these two problems, countries are using legal means and technological progress, on the one hand to recycle waste materials, and on the other hand to research and develop new biodegradable materials. Theoretically speaking, the recycling of polymer materials can solve both environmental pollution and resource shortage. However, in the process of implementation, it is often limited by the nature, technology and cost of polymer materials. Therefore, research and development of degradable Polymer materials have become a frontier topic in material science today. So...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L89/00C08L97/02B29C47/92B29C43/58A01G9/10B65D65/46B29C48/92
CPCY02W90/10
Inventor 曾建梁磊马年方王庆福李昱李锦荣陈瑞荣
Owner 广东省科学院生物与医学工程研究所