Beijing Vacuum Flask Factory

Synthesis of a novel oligomeric intumescent flame retardant and its application in polypropylene.(Technical report)
Polymer Engineering and Science; 7/1/2009; 4372 words; ...Shanghai Petrochemicals Factory and maleic anhydride...grade was from Beijing Tingxing Chemical...four-necked round flask equipped with a magnetic...degrees]C under vacuum to a constant weight...ml four-necked flask under nitrogen...degrees]C in vacuum oven. The yellow...

Reinforcement of polydimethylsiloxane through formation of inorganic-organic hybrid network.(Technical report)
Polymer Engineering and Science; 1/1/2008; 3881 words; ...Vinyltriethoxysilane was purchased from Beijing Reagents, China. Toluene...Tianjin Reagents No.6 Factory, China. Vinyl-terminated...ml round-bottomed flask was charged with 10...ml round-bottomed flask at 110[degrees]C...70[degrees]C under vacuum overnight. The loadings...

Friendly shopping across the border. (China and USSR)
The Economist (US); 6/11/1988; 1013 words; ...Moscow and a Russian one in Beijing. In a barter deal, Russia...offering to build a linen factory in China; the Chinese would build a vacuum-flask plant in Russia. A new...up for Chinese shirts, vacuum flasks and woollens. The border...