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Exploration of Electrical, Thermal, and Mechanical Properties of Phaseolus vulgaris Fiber/Unsaturated Polyester Resin Composite Filled with Nano–SiO2

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In this study, the electrical, thermal, and mechanical properties of hybrid natural fiber composite are taken under consideration. Fly ash waste is used as the filler material. Unsaturated polyester resin is used as the matrix material to bind the composite. Alkali-treated Phaseolus vulgaris fiber (PVF) (5% NaOH for 45 min) is taken as the primary filler. Nanosilica synthesized is added to the composite samples at a constant percentage (1%). Samples of various weight percentages are prepared (2%, 4%, 6%, 8%, and 10% of PVF) and studied. Dielectric strength test for electrical property, thermal conductivity test for the thermal property, mechanical tests like tensile strength, Brinell hardness, Izod impact tests, and water absorption test are also taken under consideration. The composite showed a regular increasing trend in mechanical and electrical properties with varying weight percentages until 6% PVF; afterward, a decreasing trend in the mechanical and electrical properties of the composite was found with greater weight percentages. Whereas for thermal conductivity and water absorption tests, the results showed a regular decreasing trend until 6% PVF; afterward an increasing trend was found. It is found that the composite of 6% PVF and 1% SiO2 shows better electrical, thermal, and mechanical properties.

本研究考虑天然纤维混杂复合材料之电、热及力学性质. 粉煤灰废料用作填料. 以不饱和聚酯树脂为基体材料对复合材料进行了粘结. 以碱处理的菜豆纤维(PVF)(5%NaOH,45min)为主要填料. 合成的纳米二氧化硅以1%的比例加入到复合材料中. 制备了不同重量百分比的样品(PVF的2、4、6、8和10%),并对其进行了研究. 还考虑了电气性能的介电强度试验、热性能的导热性试验、拉伸强度、布氏硬度、Izod冲击试验和吸水性试验等机械试验. 复合材料的力学性能和电学性能随重量百分比的变化呈规律性的增加趋势,直到6%PVF后,随着重量百分比的增加,复合材料的力学性能和电学性能下降. 而对于热导率和吸水率,则表现出规律性的下降,直到6%PVF后才开始上升. 结果表明,6%PVF和1%SiO2的复合材料具有较好的电学、热学和力学性能.

Source: https://www.tandfonline.com/doi/full/10.1080/15440478.2020.1724231?af=R

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Cbd long term effects study by canopy, lifespan increased?

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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/jzwr6o/cbd_long_term_effects_study_by_canopy_lifespan/

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CBD firm on high growth track surpasses $5M in sales

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TAMPA — Proleve Distribution, a Tampa based manufacturer of all-natural CBD products, plans to hire 20 people to support a period of hyper-growth.  

Founded in 2017, Proleve, which produces and distributes products containing the hemp extract CBD, or Cannabidiol, will close out 2020 at $5 million in annual revenue, according to a statement. That’s up 178% from $1.8 million in 2019. To keep up with growing demand, Proleve is now in the early stages of building a new distribution center near Tampa International Airport, the release adds. New jobs added in the coming weeks will help support operations at the facility, as well as at the company’s existing South Tampa headquarters, which will be converted into a retail store. 

“In a year that’s been marked with challenges for so many companies and industries, we’re pleased that Proleve has not only been able to withstand such challenges, but overall has actually been able to thrive in this environment,” Proleve Founder and President Jonathan Solomon says in the statement. “With that in mind, we’ve been working really hard to seize this opportunity in order to further position our growth.”

Earlier this year, Proleve became among the first CBD companies to be officially licensed and certified by Florida’s Department of Agriculture and Consumer Services under new regulations. The certification makes Proleve an official state-approved source for food products containing CBD, in addition to being FDA-registered, the release states.

“Having this official status within the state of Florida has meant an added sense of security for our customers,” Solomon says. “It’s turned out to be an important piece of the puzzle this year, even more so than expected, with sales jumping as our products have offered a sense of relief for those who have faced hardship in 2020.”

“During the peak of COVID-19 earlier this year, we were more focused on keeping jobs safe,” Solomon adds. “Now that we see the full extent of how our business plays into the economic recovery of this region, we’re glad to be adding more jobs and serving as a catalyst for growth.”

Proleve’s products are sold in stores nationwide and worldwide. Its products, including tincture, topicals, capsules and bath bombs are all vegan, kosher-certified, third-party lab tested and 100% natural.

                                                                         

Source: https://www.google.com/url?rct=j&sa=t&url=https://www.businessobserverfl.com/article/cbd-firm-on-high-growth-track-surpasses-dollar5m-in-sales&ct=ga&cd=CAIyGjQ2MzM1ZTBkNWQyZmIyYzc6Y29tOmVuOlVT&usg=AFQjCNESyacJcEc1fMFdEgw7Um8nuECjbA

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Home Grown: Community reports minty and floral flavors from hemp green

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CBS 13’s April Hettinger samples Yuma’s newest leafy crop

YUMA, Ariz. (KYMA, KECY) – Hemp leafy greens were put to the test to see if their flavors are worthy enough to make it in bagged mixes in the grocery stores.

81 people took a survey of nine samples the past two Fridays.

Staff was able to narrow down the 17 types of hemp to five that were the best tasting.

The community sampled the five hemp greens along with three commonly available greens like romaine, kale and baby leaf spinach for comparison.

The ninth sample was a pesto made from the hemp greens by local chefs.

The grower, Robert Masson, agriculture extension agent with the University of Arizona’s Yuma County extension explains the overall consensus of this unique lettuce.

“In general, the hemp was really well liked. Some people didn’t like it, but most of the people did,” Masson said. “They reported minty flavors, fruity flavors and just a little bit of floral.”

Attendees rated the crispiness of the hemp to be similar to kale.

It also has more peach fuzz than other greens.

In its overall likeability, the community rated romaine and spinach higher than the hemp at a 4.1 on a one through five scale.

Hemp was rated a 3.3.

The best tasting hemp greens might make it into grocery stores as bagged mixes for health benefits.

Source: https://www.google.com/url?rct=j&sa=t&url=https://kyma.com/news/home-grown/2020/11/23/home-grown-community-reports-minty-and-floral-flavors-from-hemp-green/&ct=ga&cd=CAIyGjYxZmRhODRmNjY4MjhhNTU6Y29tOmVuOlVT&usg=AFQjCNE7rcoLiE_6doYx8sPtN8OaaibwHQ

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