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Prescription of biodegradable soybean protein thermoplastic material

A thermoplastic material, soybean protein technology, applied in the field of formulation of soybean product deep processing, can solve the problem of not having

Inactive Publication Date: 2012-03-21
SHANDONG WONDERFUL IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] While extrusion is useful for making films, these compounds do not have the structure or strength of solid objects formed by thermoplastic processing techniques such as extrusion and injection molding

Method used

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  • Prescription of biodegradable soybean protein thermoplastic material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Specifically: 100 parts of soybean protein, mainly composed of soybean protein concentrate or soybean protein isolate; 2 parts of reducing agent, mainly composed of sodium sulfite, ascorbic acid and sodium bisulfite; 60 parts of starch; 50 parts of plasticizer, mainly composed of glycerin Main; 20 parts of water; 2.5 parts of lubricant, mainly soybean oil; 14 parts of filler, mainly carrageenan and locust bean gum; 75 parts of cellulose, mainly short-fiber cellulose formulated into thermoplastic materials for processing .

[0056] The mixing system employed is a continuous flow mixer, such as a Teledyne continuous processor or a Breadsley Piper continuous mixer, suitably a twin screw extruder unit, the components are mixed together under high shear to form a substantially uniform texture, and The components are evenly dispersed.

[0057] The components can be mixed into a plastically uniform texture by passing the components into the first section of the twin-screw ext...

Embodiment 2

[0070] Embodiment 2 provided by the present invention: (both percent by weight) soybean protein isolate 30%; Sodium sulfite 2%; Corn starch filler, the mixture 30% of maleic acid starch, octenyl succinic acid starch, succinic acid starch, potato starch, Glycerin 15%, water 10%; soybean oil 0.5%; carrageenan 2%; short fiber 10%; preservative 0.25%; colorant 0.25%.

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Abstract

The invention provides a prescription of a biodegradable soybean protein thermoplastic material, which comprises the following components in percentage by weight: 25-65 percent of protein, 30-40 percent of starch filler, 5-35 percent of plasticizer, 0.5-2.5 percent of reducing agent and 5-25 percent of water. The components have high flowability needed by machining, form a curing object with high tensile strength and high water resistance by extrusion or injection moulding and can be biodegraded.

Description

Technical field [0001] The invention relates to a formula for deep processing of soybean products, in particular to a formula for thermoplastic materials with biodegradable soybean protein as the main material. Background technique [0002] Attempts have been made to make compression molded biodegradable objects from various types of proteinaceous materials. One example of such protein material is soy protein, especially in the form of soy protein isolates and soy protein concentrates. Although soy protein has shown excellent plasticity, such materials do not yet possess the degree of fluidity that can be easily processed using conventional equipment. As a result, soy protein plastics are often formed by compression molding. [0003] Other efforts to improve the processing of soy protein include treating the protein with reducing agents to improve the dispersibility of the protein in the mixture. The function of these reducing agents is to reduce (crack) the disulfide bon...

Claims

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Application Information

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IPC IPC(8): C08L89/00C08L3/02C08L3/04C08L1/26C08K3/30C08K5/053C08K5/1515
Inventor 刘季善张健肖徐军
Owner SHANDONG WONDERFUL IND GROUP
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