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Waste Medical Cotton Reinforced Chitosan Biocomposite Film Using Tannic Acid as the Crosslinking Agent

Volume 17, Issue 9, September 2020, Page 1249-1256
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Sustainable biocomposites were prepared from the reinforcement of waste medical grade cotton (MGC) in a chitosan matrix. This work presents an investigation of the influence of tannic acid on the chitosan-MGC biocomposite. A series of samples comprising pure chitosan film, MGC and chitosan-MGC biocomposites were crosslinked with tannic acid. The interfacial interaction among the components in biocomposite was established by FTIR and SEM study. The crystallinity of biocomposite was in between chitosan film and MGC sample as shown by XRD. Crosslinked chitosan-MGC biocomposite shows improvement in mechanical properties. The thermal stability of the composite sample is considerable stabler than MGC.

摘要

以医用废棉(MGC)为增强材料在壳聚糖基质中制备了生物复合材料.本文研究了单宁酸对壳聚糖医用棉生物复合材料的影响.以纯壳聚糖膜、医用棉和壳聚糖医用棉生物复合材料为原料与单宁酸进行交联.通过FTIR和SEM研究建立了生物复合材料中各组分之间的界面相互作用.XRD分析表明生物复合材料的结晶度介于壳聚糖膜与医用棉样品之间.交联壳聚糖医用棉生物复合材料力学性能提高.复合试样的热稳定性明显优于医用棉.

Additional information

Acknowledgments

Authors would like to acknowledge FIST – DST project, Govt. of India and World Bank-funded TEQIP-II for providing the machinery for this research project.

Source: https://www.tandfonline.com/doi/full/10.1080/15440478.2018.1558156?af=R

Heartland

Scraped this blob of sticky stuff off the blades of our trimmer machine and put it in a pocket of my backpack about a month ago then forgot about it. Just remembered it.

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Visit our community site for vetted suppliers at http://theCBD.place. It’s time that this subject was given more internet exposure. We are here to discuss topics related to medical marijuana and our experiences using CBD. Please do not assume that anyone here is a medical professional.

Source: https://www.reddit.com/r/CBD/comments/jkrdav/scraped_this_blob_of_sticky_stuff_off_the_blades/

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Heartland

Why do smoke shops only sell shitty cbd carts?

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Primal nation wide has good ones. Anything in shops is either expensive as fuck or garbage so you buy the expensive stuff in the future… primal has Cbd you can make carts with super cheap right now but his carts are also like buy one get one 50 percent off I think. I think 30 for 2 gram carts

Source: https://www.reddit.com/r/CBD/comments/jkoody/why_do_smoke_shops_only_sell_shitty_cbd_carts/

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Heartland

We will compile a list for black friday

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We will compile a list for black friday of all the deals going on.

We already have some compiled, such as 40% off big sky bontanicals or theCBDistillery.

Please don’t make posts about black friday deals – but instead we will release our post a few days before and you can post the discounts there.

Remember – do not share links. It violates the rules.

Source: https://www.reddit.com/r/CBD/comments/jknp8z/we_will_compile_a_list_for_black_friday/

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