16 results about "Castor oil" patented technology

The invention discloses a grease-based polyamine curing agent and a preparation method and application thereof, and the preparation method comprises the following steps: (1) mixing castor oil, hydrogen peroxide, formic acid and concentrated sulfuric acid and / or p-toluenesulfonic acid for reaction to generate epoxy castor oil; (2) enabling the epoxy castor oil obtained in the step (1) and fatty acid group dibasic acid to generate epoxy castor oil based dibasic acid monoester in an organic solvent under the catalysis of p-toluenesulfonic acid; (3) reacting the epoxy castor oil-based dibasic acid monoester obtained in the step (2) with polyethylene polyamine to generate a grease-based polyamine curing agent. The invention also discloses polyurethane of which the raw materials comprise the grease-based polyamine curing agent. The grease-based polyamine curing agent prepared by the method can be used as a curing agent to react with cyclic carbonate, the spatial structure of polyurethane formed after polymerization is more stable due to the multi-branched chain structure in molecules, the prepared vegetable oil-based polyurethane is endowed with excellent toughness and strength, and meanwhile, the weather resistance and the chemical stability are enhanced.

The invention discloses a polyurethane structural adhesive used for bonding an automobile spoiler and a preparation method and application of the polyurethane structural adhesive used for bonding theautomobile spoiler. The polyurethane structural adhesive comprises raw materials of a first component and a second component in a feed mass ratio of 1: (0.75 to 1.5), wherein the second component comprises polyisocyanate; the first component comprises polyether polyol having the number average molecular weight from 2000 to 4000 and being more than difunctionality, polyether polyol having the number average molecular weight from 300 to 500 and being more than tri-functionality, polyether polyol having the number average molecular weight from 90 to 400 and castor oil in a feed mass ratio of (7 to 33): (0.6 to 5): 1 to (2 to 13); the preparation of the polyurethane structural adhesive used for bonding the automobile spoiler comprises the following steps: respectively mixing various componentsin the first component and the second component through a physical mixing method and then blending to obtain the polyurethane structural adhesive; the application of the polyurethane structural adhesive used for bonding the automobile spoiler is that the first component and the second component of the polyurethane structural adhesive are separately sprayed on the bonding part of the spoiler on anautomobile, and the automobile spoiler is bonded to realize bonding; and by adopting the polyurethane structural adhesive used for bonding the automobile spoiler, all performances in various aspectsat room temperature and high and low temperature are excellent.

The invention discloses an efficient corn oil extracting agent. The efficient corn oil extracting agent is prepared from, by weight, 60-70 parts of ethyl palmitate, 15-19 parts of soybean oil, 10-15 parts of linseed oil, 15-19 parts of castor oil, 10-13 parts of VE10, 5-8 parts of ethyl alcohol and 5-10 parts of zinc oxide. The efficient corn oil extracting agent has advantages that adding of toxic substances such as petroleum ether is effectively avoided, so that product safety is improved; in addition, the extracting rate of the efficient corn oil extracting agent is higher than that of an existing extracting method and reaches 90% or above.

The invention provides efficient and accurate daily porcelain 3D soft silica gel transfer printing ink and application thereof. The printing ink is prepared from 100 parts of stamp-pad ink and 60-120 parts of ceramic toner, the stamp-pad ink is prepared from the following components: 80 to 120 parts of sodium polyacrylate-aluminum sol composite liquid, 10 to 15 parts of thermocuring phenolic resin, 3 to 5 parts of guar gum, 5 to 10 parts of tripolyglycerol, 3 to 6 parts of Span 60 and 1.5 to 3 parts of castor oil. The printing ink has balanced plate-sticking, glue-sticking and ceramic-sticking performance and plate-separating and glue-separating performance, the transfer printing speed is high, the precision is high, the adaptability to the performance of domestic porcelain glaze is good, and the transfer printing effect is basically not affected by environment temperature and humidity fluctuation; and the printed and fired ornamentation is accurate in color, fine in line and clear in edge.

The invention discloses a formula method of nutrient balance type edible oil. The nutrient balance type edible oil is prepared by blending lard oil, peanut oil and castor oil and has more comprehensive nutrients.