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Biopolymers are the materials that are decomposed by microorganisms and obtained from renewable and non-renewable raw materials, as well as the materials that are not decomposed by microorganisms, but obtained from renewable resources.
Traditional polymers are made from petrochemical raw materials.
Galyavetdinov, Design of packaging materials based on polylactide and wood filler, International Journal of Engineering and Technology (UAE), pp. 1089–1091, 2018
Martin, Coextrusion of biodegradable starch-based materials.
Voronin, Analysis of physico-mechanical properties of composites based on polylactide and thermally modifie wood fibers, Materials Science Forum, pp. 202-206, 2016

[6] D.LGriscom, in Defects in glasses, edited by F.L.Galeener, D.L.Griscom, and M.J.Weberf, materials research society, Pittsburgh, 1986, p.213
[7] D.L.Griscom, Reviews of Solid State Science 4, 1990, p.565
Zeng, Journal of Applied Physics, 107(2010), p.044904
Yamamoto, Journal of applied physics, 58(1985), p.1356
Hanafusa, Journal of applied physics, 60(1986), p.1797.

Abstract: Most of the yachts are comprised of fiberglass reinforced plastics composite materials.
At present, most of the yachts used at home and abroad are made of FRP composite materials. 
Made of the composite bamboo yacht materials, has a unique and beautiful appearance, low cost and can recycle, and solve the present high cost of FRP yacht materials that recycling difficulties and the problem of product appearance of a single.
[5] Darshil U Shah, Developing plant fibre composites for structural applications by optimise composite parameters: A critical review, Journal of Materials Science, 48 (2013) 6083-6107
Pickering, Recycling technologies for thermoset composite materials current status, Composites Part A: Applied Science and Manufacturing, 37(2006) 1206-1215

The most common retrofitting methods involve the use of horizontal steel ties or belting made of different materials.
In this paper, the original retrofit technique with vertical ties is revised by introducing glass fiber reinforced polymers materials (GFRP), currently employed for retrofitting of historical existing masonry structures.
Journal of engineering mechanics 127.5 (2001): 484-493
Journal of engineering mechanics 138.8 (2012): 963-972
Journal of Engineering Mechanics 141.12 (2015): 04015049

Journal of Thermoplastic Composite Materials. https://doi.org/10.1177/08927057231222805
Journal of Composites Science. https://doi.org/10.3390/jcs8040115
Journal of Applied Sciences and Nanotechnology. https://doi.org/10.53293/jasn.2022.4745.1141
Advances in Science and Technology Research Journal. https://doi.org/10.12913/22998624/169468
Journal of Composites Science, 6(7), 209. https://doi.org/10.3390/jcs6070209.

However, the viscosity is increased with amount of nano materials, which makes the rheological behavior bad.
The experiment shows that the addition of nano materials can improve the compactness and quality of the filter cake and reduce water loss by affecting dehydration and rheological behavior.
Calcium carbonate superfine powder, non-permeate pressure-bearing agent CY-1 and nano materials were optimized at the same time.
Journal of Southwest Petroleum University(Science & Technology Edition),2011,33(3):130-132[In Chinese] [4] BAIDeng-xiang, WANGJin-ru, QIJiu-hong.
Journal of Oiland Gas Technology, 2011, 33(6): 264-266 [In Chinese] [5] Erding CHEN, Hui ZHOU.

The starting point of the mechanical technology is how to combine with the mechatronics technology and take use of its high-tech, to update the concept and implement the changes in structure, materials and performance, and at last meet the requirements of losing weight, minifying volume, increasing accuracy and stiffness and improving performance.
The prominent features of CIMS are not only the simple integration in the sense of raw materials and equipment, but also the integration with the information integration as the main feature.
The level of mechatronics products reflects the developing level of science and technology in this country, especially this country’s level of processing and manufacturing, machinery and materials, sensing detection, controlling and so on.
[4] Li Zhang: Mechatronics Technology in Coal Mines, Journal of Shanxi Coal Mining Administrators College (2007)
[6] Gang Li: Computer Integrated Manufacturing Systems CIMS, Journal of Ningxia University (1995)

Composite structure design is a progress of combining the mechanical performance with the materials design.
Discrete material optimization of vibrating laminated composite plates for minimum sound radiation, International Journal of Solids and Structures, vol 47(2010), pp2097-2114
Journal of Sound and Vibration, vol 316(2008), pp32-49
Discrete material optimization of general composite shell structures, International Journal of Numerical methods in engineering, vol 62(2005), pp2009-2027
Multiobjective stacking sequence optimization for laminated composite structures, Composites Science and Technology, vol69 (2009), pp983-990.

Smart Materials & Structures. 10, 1059 – 1068 (2001)
Journal of Intelligent Material Systems and Structures. 11, 263–271 (2000)
Smart Materials & Structures. 11, 370 – 376 (2002)
Journal of Intelligent Material Systems and Structures. 12, 729 – 736 (2001)
Aerospace Science and Technology. 12, 42 – 53 (2008).

Accordingly, development of current yoghurt packs and PP based materials has been initiated in labs with the help of food, chemistry and material science.
Parallel to technological developments, there is a trend for usage of intelligent materials in material science.
This trend results in incredible studies not only on metallic materials but also on polymer materials.
[3] Marsh and Bugushu,in: Food Packaging Roles, Materials and Environmental Issues, Journal of Food Science, (2007) Vol 72
[7] Callister, W.D. in:Materials Science and Engineering: An Introduction.