Study on phase compatibility and water resistance of thermoplastic starch foams coated with flexible poly(L-lactide)-b-polyethylene glycol-b-poly(L-lactide) bioplastics

Phromsopha, Theeraphol; Baimark, Yodthong

doi:10.1016/j.mtcomm.2020.101844

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…The dynamic growth of the processing and production of porous plastic is a result of the development of material engineering and the continuous improvement of their production technologies (Filli et al, 2011; National Institute of Industrial Research (India), 2006; Phromsopha and Baimark, 2021;Shogren et al, 2002). One example of this is conventional foamed polystyrene, which has been used for many decades in packaging and its volume of application is still growing continuously, despite widespread criticism (Soykeabkaew et al, 2004;Xu et al, 2005).…”

Section: Foamed Packaging Materialsmentioning

confidence: 99%

Foamed bioplastics: a review

Combrzyński¹,

Özmen²

2021

Int. Agrophys.

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A b s t r a c t. Based on a literature review, the development and importance of foamed bioplastics in the context of conventional materials has been discussed in the paper. Raw materials, technological aspects, types of products (including a new generation of bioplastics), their advantages and disadvantages as well as user expectations are presented. Despite considerable progress, especially in the formulation of new raw material compositions, there is still a need to continue research work on the application of different techniques in the production of biodegradable porous packaging materials. It still remains the current primary goal -to produce products with physical characteristics that are comparable with those of petroleum based plastic.K e y w o r d s: physical properties, foams, porous materials, bioplastics, starch-based packaging materials

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Section: Foamed Packaging Materialsmentioning

confidence: 99%

Foamed bioplastics: a review

Combrzyński¹,

Özmen²

2021

Int. Agrophys.

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Development of a Starch‐Based Foam System With Oxygen‐Controlled Release

Zhan,

Cao,

et al. 2024

Starch Stärke

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Calcium peroxide (CP) offers promising applications in the food industry due to its oxygen‐donating properties. However, the rapid release of oxygen by CP needs to be addressed for fruit preservation applications. In this paper, a starch‐based foam is prepared to embed CP to alleviate this problem. Results show that the starch foam extruded at 150 °C and 150 rpm shows a high foaming ratio of 19.28 and displays a high moisture adsorption capacity of 0.21 g water/g solids when stored at 97% relative humidity (RH), which effectively regulates the water accessibility to CP. The initial oxygen release rate of the embedded CP is reduced from 0.19 to 0.07 mmol L−1 h−1, and the release time is prolonged. The wet‐stored foam shows excellent cushioning ability, with a recovery ratio higher than 72%. The starch‐based active foam with a tunable release of oxygen and cushioning properties can be used as active packaging for fresh fruit transportation and preservation.

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Synthesis of bioplastics and the effects of additives on the mechanical, thermal and biodegradable properties

Abu Ubaidah,

Mohamad Puad,

Hamzah

et al. 2024

Polymers from Renewable Resources

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The mounting global concern over the environmental consequences of petroleum-based plastics has prompted significant research into sustainable alternatives, with bioplastics emerging as a forerunning solution. This systematic review elucidates the multifaceted synthesis processes of bioplastics, which are derived from renewable sources such as plant starches, cellulose, and waste materials. The synthesis encompasses stages from raw material selection, pre-treatment, to the incorporation of various additives, with the aim to achieve specific properties in the resultant bioplastics. A substantial focus of this review lies in comprehensively understanding the role of additives, which serve as the pivotal agents in tailoring the mechanical and thermal characteristics of bioplastics. Additives, including cross-linking agents, plasticizers, fillers, compatibilizers, and reinforcement agents, are critically examined for their influence on attributes such as tensile strength, flexibility, thermal stability, and biodegradability. Factors such as intermolecular interactions, hydrogen bonding, and moisture content, play a determining role towards the resultant properties. The prospects for bioplastics are rapidly expanding, signalling a transformative shift in various applications ranging from eco-friendly packaging to advanced biomedical devices. This article serves as a comprehensive guide to both researchers and industry stakeholders, providing deep insights into the synthesis of bioplastics and the transformative role additives play in their functional properties.

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Study on phase compatibility and water resistance of thermoplastic starch foams coated with flexible poly(L-lactide)-b-polyethylene glycol-b-poly(L-lactide) bioplastics

Cited by 3 publications

References 19 publications

Foamed bioplastics: a review

Foamed bioplastics: a review

Development of a Starch‐Based Foam System With Oxygen‐Controlled Release

Synthesis of bioplastics and the effects of additives on the mechanical, thermal and biodegradable properties

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