According to announcement of bureau of national intellectual property, inc. of Chinese oil natural gas obtains the name is agent of cross-linking of colophony of “ phenolic aldehyde and ” of its preparation method, CN115403720B of accredit announcement date, application date is May 2021.

Patent summary shows, this application made public agent of cross-linking of colophony of a kind of phenolic aldehyde and its preparation method, belong to domain of technology of oil field chemistry. Apply for the dose of cross-linking of phenolic aldehyde colophony that executive exemple offers originally, changed solution of sodium solution and hydrogenous baryta to raise the response rate between each constituent as activator through adding oxyhydrogen, those who be helpful for reaction undertake; Be helpful for raising the water-solubility of agent of cross-linking of phenolic aldehyde colophony through adding each other dissolvent, lengthen its to save time; Through joining much hydroxyl phenol, raised the reaction active that agent of cross-linking of phenolic aldehyde colophony issues in microtherm, be helpful for agent of cross-linking of phenolic aldehyde colophony and polypropylene acyl amine producing cross-linking to react below microtherm. Afore-mentioned each constituent develop synergism, make agent of cross-linking of phenolic aldehyde colophony applicably at microtherm oil deposit, enlarged the applied limits of agent of cross-linking of phenolic aldehyde colophony thereby.