3 results about "Imidacloprid" patented technology

The invention relates to a processing method for preparing imidacloprid wettable powder from crude imidacloprid, which comprises the following steps: (1) firstly, adding filler into a mixer; (2) pouring crude imidacloprid of 50 to 60 DEG C into the mixer, starting up the mixer, and mixing for about 30 to 50 minutes; (3) adding wetting agent, dispersing agent and stuffing bulking agent, and mixingfor 30 to 50 minutes; (4) screening the uniformly mixed materials by a vibrating screen of 40 meshes; and (5) feeding the powder after being screened to a jet mill to be grinded, wherein, the weight percent of the components are as follows: 1-25% of imidacloprid, 5-50% of filler, 1-10% of wetting agent, 1-10% of dispersing agent and 5-50% of stuffing bulking agent. The invention can effectively solve the problem that the crude imidacloprid is difficult to be treated, and has the advantages of simple process and low treatment cost.

The dust and mite preventing viscose filament rayon fiber is viscose filament rayon fiber with dust and mite preventing emulsion added into its material with the added amount being 0.5-10 wt%. The emulsion consists of dust and mite preventing additive, such as hexythiazox, halfenprox, buprofezin, imidacloprid or their mixture 0.5-20; emulsifier 5-40 wt% and solvent the rest. The present invention has simple technological process, and produced viscose filament rayon fiber has excellent dust and mite preventing effect and is wash fast.