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2006•Journal of Shaanxi University of Science & TechnologyRequires access

INFLUENCE OF COMPLEX PLASTICIZERS CONTAINING GLYCEROL AND SORBITOL ON THE SOY PROTEIN PLASTIC CHARACTERISTICS

Zhong Chen

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Abstract

Influence of complex plasticizers containing glycerol and sorbitol on the soy protein plastics characteristics was studied.The soy protein and complex plasticizers were mixed and hot press molded for making soy protein plastics.The results showed that the tensile strength,Young′s modulus of soy protein plastics with complex plasticizers increased.The result revealed that there were two glass transition temperatures(T_(g1) and T_(g2)),corresponding to complex plasticizer-rich and protein-rich domains.The differences of T_(g2) and T_(g1) with complex plasticizers decreased except the ratio 6∶4 of glycerol and sorbitol.Water absorption of modified plastics increased.

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What this paper is about

Influence of complex plasticizers containing glycerol and sorbitol on the soy protein plastics characteristics was studied.The soy protein and complex plasticizers were mixed and hot press molded for making soy protein plastics.The results showed that the tensile strength,Young′s modulus of soy protein plastics with complex plasticizers increased.The result revealed that there were two glass transition temperatures(T_(g1) and T_(g2)),corresponding to complex plasticizer-rich and protein-rich domains.The differences of T_(g2) and T_(g1) with complex plasticizers decreased except the ratio 6∶4 of glycerol and sorbitol.Water absorption of modified plastics increased.

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Available abstract

Influence of complex plasticizers containing glycerol and sorbitol on the soy protein plastics characteristics was studied.The soy protein and complex plasticizers were mixed and hot press molded for making soy protein plastics.The results showed that the tensile strength,Young′s modulus of soy protein plastics with complex plasticizers increased.The result revealed that there were two glass transition temperatures(T_(g1) and T_(g2)),corresponding to complex plasticizer-rich and protein-rich domains.The differences of T_(g2) and T_(g1) with complex plasticizers decreased except the ratio 6∶4 of glycerol and sorbitol.Water absorption of modified plastics increased.

Key concepts: Plasticizer, Glycerol, Soy protein, Sorbitol, Glass transition, Ultimate tensile strength, Chemistry, Absorption of water

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INFLUENCE OF COMPLEX PLASTICIZERS CONTAINING GLYCEROL AND SORBITOL ON THE SOY PROTEIN PLASTIC CHARACTERISTICS — Research Paper | ScholarLens