Kaikai
Kaikai Jin, Shanghai CN
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20160060394 | LOW DIELECTRIC CONSTANT POLYMER CONTAINING DINAPHTHYL AND HEXAFLUOROCYCLOBUTYL ETHER UNIT, PREPARATION METHOD AND USE - The present invention belongs to the field of preparation of high performance polymers, and specifically relates to a low dielectric constant polymer containing dinaphthyl and hexafluorocyclobutyl ether units, and preparation method and use thereof. The polymer is prepared as follows: under the effect of an alkali, 1-naphthol bromotetrafluoroethane ether is prepared from 1-naphthol and tetrafluorodibromoethane in an organic solvent, and then reduced by a zinc powder so as to obtain 1-naphthol trifluorovinyl ether. 1-naphthol trifluorovinyl ether is treated at a high temperature to obtain a bisnaphthol hexafluorocyclobutyl ether monomer. The monomer is subjected to oxidative coupling in the presence of ferric trichloride so as to obtain a thermal polymer containing dinaphthyl and hexafluorocyclobutyl structural units with a good film-forming property, and in a nitrogen atmosphere, the temperature for 5% weight loss (T | 03-03-2016 |
Kaikai Ma, Wuxi, Jiangsu CN
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20160076194 | The preparation of N-halamine antibacterial materials based on cyanuric chloride - The invention discloses a method to prepare N-halamine antibacterial materials based on cyanuric chloride. Firstly, cyanuric chloride is dissolved in alkaline solution to produce finishing solution. Then the materials are dipped in the finishing solution to absorb liquid. The wetted materials are taken out, cured under 90˜120° C. for 10˜40 min, chlorinated by bleach solution, washed and dried to get antibacterial materials. The processing method in this invention is simple, cheap, and energy-saving. In addition, it only caused very small loss of physical strength. The resulted materials have strong antibacterial efficacy, are safe for application. | 03-17-2016 |
Kaikai Shen, Shanghai CN
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20150231090 | USAGE OF GUTTIFERONE K FOR TREATING HIGH METASTATIC CANCER - The present invention provides composition for treating cancer comprising polyprenylated acylphloroglucinol (PPAP) compound. The present invention also provides a composition comprising Guttiferone K for treating esophageal cancer and liver cancer. The present invention further provides a method of using said compound for inhibiting cancer metastasis. | 08-20-2015 |
Kaikai Wu, Shanghai CN
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20140046629 | METHOD AND APPARATUS FOR MONITORING DEPOSITION - The present invention concerns an apparatus for deposition monitoring in a water system comprising a deposition measurement system, a DC power supply connected to a conductive deposition monitoring surface and a counter electrode, the apparatus has a first treatment configuration and a second treatment configuration, wherein one of the treatment configurations removes biofilm from the conductive deposition monitoring surface, and the other treatment configuration removes inorganic scale deposition from the conductive deposition monitoring surface. | 02-13-2014 |