Adhesive for silicone mica tape and preparation method of adhesive
A silicone rubber, silicone technology, applied in the direction of adhesives, coatings, etc., can solve the problems of inability to undergo cross-linking and curing, unfavorable electrical insulation performance of motors, and reduce the final performance of silicone-less tapes, and achieve good chemical compatibility. properties, high viscosity, and the effect of improving insulation performance
Active Publication Date: 2014-01-22
ZHUZHOU TIMES ELECTRIC INSULATION
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Abstract
The invention discloses an adhesive for a silicone mica tape and a preparation method of the adhesive. The adhesive for the silicone mica tape is prepared from phenyl vinyl organic silicon rubber and MQ silicon resin through dehydration condensation under the action of a catalyst. The preparation method comprises the steps of completely dissolving the phenyl vinyl organic silicon rubber and the MQ silicon resin in an organic solvent, respectively; mixing and stirring a phenyl vinyl organic silicon rubber solution, a vinyl MQ silicon resin solution and the catalyst in a reactor, heating to 100-120 DEG C and reacting, and discharging when solid content is 50-60% and dynamic viscosity at 23 DEG C is (2-8)*10<4>cP, thus obtaining the adhesive for the silicone mica tape. The adhesive for the silicone mica tape has excellent physical compatibility and chemical compatibility with solvent-free silicone impregnating varnish, and the preparation method is simple and convenient, and low in cost.
Application Domain
CoatingsAdhesives
Technology Topic
SolventAdhesive +12
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PUM
Property | Measurement | Unit |
Dynamic viscosity | 80000.0 | cp |
Dynamic viscosity | 85000.0 | cp |
Dynamic viscosity | 68000.0 | cp |
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