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Bisphenol a

Sourced in China

Bisphenol A is a chemical compound commonly used in the production of various industrial and consumer products. It serves as a core building block in the manufacturing of polycarbonate plastics and epoxy resins. Bisphenol A is a versatile material that exhibits properties such as high impact resistance, dimensional stability, and optical clarity.

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7 protocols using bisphenol a

1

Enzymatic Valorization of Agro-Wastes

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Potato dextrose water was purchased from Hope Bio-Technology Co., Ltd, Qingdao, China. 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS), phenol (PH, > 99%), 4-chlorophenol (CP, > 99%), and bisphenol A (BPA, > 99%) were acquired from Macklin Biochemical Co., Ltd, Shanghai, China. Filters of DEAE-Sepharose Fast Flow and Sephadex G-75 were purchased from Shanghai yuanye Bio-Technology Co., Ltd, Shanghai, China. All other chemical reagents used were analytical grade. Agricultural wastes (rice straw, wheat bran, sugarcane bagasse, pine sawdust, pomelo peel, navel orange peel, and rapeseed oil cake) were purchased from Taobao Mall, a Chinese online retail platform. These agro-wastes were dried and ground into powder (60 mesh).
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2

Synthesis and Purification of Chemical Reagents

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Zinc acetate dihydrate, manganese chloride tetrahydrate, urea, glucose, ethanol, isopropyl alcohol, sodium oxalate, NaOH, and HCl were obtained from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Methyl orange, methylene blue, bisphenol A, and benzoquinone were acquired from Shanghai Macklin Biochemical Co., Ltd. (Shanghai, China). Congo red and malachite green were purchased from Aladdin Shanghai Co., Ltd. (Shanghai, China).
All chemicals were of p.a. grade and were utilized without additional purification.
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3

Biodegradation of Bisphenol A by Pseudomonas putida

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Bisphenol A was obtained from Shanghai Macklin Biochemical Co., Ltd. China (purity above 99%), other chemicals used in this study were high purity. Organic solvents were HPLC grade. The stock solution of BPA (20,000 mg l−1) was dissolved in methanol (99%), filtrated with specific filters then stored at 4 °C. Luria–Bertani (LB) medium was used to grow bacterial strains. Trace Elements Medium (TEM) was used for degradation assessment [30 (link)]. Pseudomonas putida YC-AE1 strain used in this study was isolated and identified in our previous work as a BPA degrader [21 ].
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4

Synthesis and Characterization of PBAT Polymer

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PBAT (Mw: 93,227 g/mol; melting point: 127 °C) was purchased from Xinjiang Blue Ridge Tunhe Polyester Co., Ltd. (Xinjiang, China). Tropolone (C7H6O2), dibromo-p-xylene (C8H8Br2), potassium carbonate (K2CO3), DMF (N, N-dimethylformamide, C3H7NO), bisphenol A (C15H16O2), 1-bromo-4-chlorobutane (C4H8BrCl), 18-crown-6 (C12H24O6), 1-bromo-6-chlorohexane (C6H12BrCl), ethanol anhydrous (C2H6O), and sodium sulfate anhydrous (Na2SO4) were purchased from Shanghai Macklin Biochemical Technology Co., Ltd. (Shanghai, China). Ethyl acetate (C4H8O2), n-hexane (C6H14), and dichloromethane (CH2Cl2) were obtained from Da Mao Chemical Reagents Factory (Tianjin, China).
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5

Characterization of Plastic Materials

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The PC commodities (pellet, bucket, veil, goggle, disc, tube), polyethylene terephthalate (PET) bottle materials, and AcrylonitrileButadieneStyrene copolymer (ABS) granular material were purchased on Taobao.com or Amazon.cn and used without further purification. N,N′-dimethyl-ethylenediamine (DMEDA) (98%, Macklin, Shanghai, China), 1,3-dimethyl-2-imidazolidinone (DMI) (>99%, Aladdin, Shanghai, China), and bisphenol A (99%, Macklin) were used without further purification. Dibromomethane (98%, Energy Chemical, Shanghai, China) and hexamethylbenzene (98%, Energy Chemical) were used as internal standards. Dichloromethane (DCM) (>99%), tetrahydrofuran (THF) (>99%), ethyl acetate (EtOAc) (>99%), toluene (Tol.) (>99%), and acetone (Ace.) (>99%) were purchased as solvents at Sinopharm Chemical Reagent Co. (Shanghai, China). Chloroform-d (>99%) was purchased at Cambridge Isotope Laboratories, Inc. (Tewksbury, MA, USA). Dimethyl sulfoxide-d6 (>99%) and benzene-d6 (>99%) were purchased at Energy Chemical. Chromatographic THF was purchased from Honeywell LTD (Tokyo, Japan) for the analysis of GPC measurements.
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6

Synthesis of Epoxy Resin Composites

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Vanillin (Van, 99.0%), 4-formylbenzoic acid (p-CBA, 98%), trimethylolpropane tris[poly(propylene glycol), amine terminated] ether (TTE, M n = 440 g•mol -1 ), tetrabutylammonium bromide (99%), sodium hydroxide, bisphenol A (BPA, 99%), were purchased from Shanghai Macklin Biochemical Co., Ltd. Methanol (≥99.7%), ethanol (≥99.7%), ethylacetate (≥99.5%), epichlorohydrin (ECH, ≥99.5%), tetrahydrofuran (THF, ≥99.5%), N,N-dimethylformamide (DMF, ≥99.5%) and hydrochloric acid (HCl, 36.0-38.0%) were purchased from Sinopharm Chemical Reagent Co., Ltd. Diglycidyl ether of bisphenol-A (DGEBA) epoxy resin (a bisphenol epoxy with epoxide equivalent weights 196 g/eq, ≥99.5%) was obtained from Baling Petrochemical Company, Inc. China. All chemicals were used as received unless otherwise discribed.
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7

Synthesis of Carbon-based Materials

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Green petroleum coke with 93% carbon content was purchased from Chambroad Holding Group Co., Ltd. (Shandong, China). H2SO4 (98%) and NaOH with high chemical purity were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Melamine was purchased from Kemiou Chemical Reagent Co., Ltd. (Tianjin, China). Bisphenol A was purchased from Macklin Biochemical Co., Ltd. (Shanghai, China). Ethanol was purchased from Fuyu Fine Chemical Co., Ltd. (Tianjin, China). The latter three chemicals were all of analytical grade. Deionized water (resistivity of 18.2 MΩ cm−1) was achieved using an ultrapure water purifier system (Millipore, Billerica, MA, USA). All chemicals and materials were used without further purification.
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