Slowly-released peroxide initiating system with nano structure and preparation method thereof
A technology of peroxide and nanostructure, which is applied in the field of slow-release peroxide initiation system and its preparation, can solve the problems of difficulty in free radical diffusion, difficulty in increasing grafting rate, and difficulty, and achieve broad application prospects and industrial value , slow down the generation rate, and avoid the effect of excessive concentration
Inactive Publication Date: 2012-04-04
SHANGHAI SUNNY
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Abstract
The invention relates to a slowly-released peroxide initiating system with a nano structure and a preparation method thereof. The preparation method comprises the following steps of: firstly, uniformly dispersing nano container carriers in a volatile indifferent solvent and processing for 1 hour by an ultrasonic processing device; then dissolving 1 to 20 percent of peroxide into the volatile indifferent solvent and slowly dropwise adding the solution obtained in the first step with stirring at room temperature; adding 4 to 20 percent of promoter into the obained solution and stirring to ensure the promoter to be uniformly dispersed; and carrying out devolatilization and drying on the solution in a vacuum dry oven at a temperature of 40 DEG C to obtain the slowly-released peroxide initiating system. Due to the adoption of the initiating system prepared by the preparation method, in the process of grafting with melt extrusion, the grafting ratio of a reaction product can be obviously improved, the side reaction in the reaction process can be inhibited, peroxide residues are reduced, and the product odour is reduced. The slowly-released peroxide initiating system can be widely used for production in various fields of automobile interior trim parts, home appliances and the like.
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SolventSide reaction +7
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