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Pentaerythritol tetraacrylate (PETA, sometimes PETTA, PETRA) is an organic compound. It is a tetrafunctional acrylate ester used as a monomer in the manufacture of polymers . [ 1 ] As it is a polymerizable acrylate monomer, it is nearly always supplied with an added polymerisation inhibitor , such as MEHQ (monomethyl ether hydroquinone).
Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]
While for 1,4-pentadiene the sp 2-hybridization leads to a bond angle of 120° between the single and double bond, in 1,4-pentadiyne it is a 180° angle due to the sp-hybrid orbital. Both triple bonds in 1,4-position destabilize each other according to another study by 3.9 kcal · mol −1 , a repulsion between the p orbital lobes close to the ...
Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate is significantly less volatile than simpler phenolic antioxidants such as butylhydroxytoluene (BHT). This makes it more suitable to stabilising plastics, as it is not driven out by the high temperatures experienced during plastic extrusion and moulding, [2] when they are heated to 150-320 °C (300–600 °F). [3]
Piperylene or 1,3-pentadiene is an organic compound with the formula CH 3 −CH=CH−CH=CH 2. It is a volatile, flammable hydrocarbon.
A serving of red meat is usually around 3 ounces, which would be either two slices of bacon, 1.5 slices of bologna or one hot dog, according to a news release on the study.
“On our way to make ‘magical’ memories at a cottage while pretending we didn’t almost get divorced 3 times while packing up the car,” the Dancing With the Stars couple captioned a joint ...
4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) is an azodicarbonyl compound. PTAD is one of the strongest dienophiles and reacts rapidly with dienes in Diels-Alder reactions . [ 1 ] The most prominent use of PTAD was the first synthesis of prismane in 1973.