Preparation methods of benzocyclobutene functionalized cage type polysilsesquioxane (POSS) and resins of benzocyclobutene functionalized cage type polysilsesquioxane
A benzocyclobutene functional, polysilsesquioxane technology, applied in the direction of coating, can solve problems such as limiting the application of materials, and achieve the effects of low dielectric properties, excellent heat resistance, and high thermal stability
Inactive Publication Date: 2017-11-07
SOUTHWEAT UNIV OF SCI & TECH
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The invention discloses preparation methods of benzocyclobutene functionalized cage type polysilsesquioxane (POSS), shown in a formula (IV), and resins of the benzocyclobutene functionalized cage type POSS. The preparation method of the benzocyclobutene functionalized cage type POSS comprises the steps of adding a toluene solution of OVPOSS and 4-(1,1-dimethyl-1-hydrogen)silicon-base benzocyclobutene into a reactor, replenishing the reactor with nitrogen for protecting, adding a tetrahydrofuran solution of chloroplatinic acid, carrying out a reaction at the temperature of 60-90 DEG C, separating and purifying the materials obtained after the reaction is finished so as to obtain the benzocyclobutene functionalized cage type POSS. The benzocyclobutene functionalized cage type POSS can be further prepared into body polymers or solution polymers, and can be added into matrix resins so as to form nano composite materials. According to the preparation methods, the POSS is cleverly introduced into the benzocyclobutene resin by means of a simple and efficient hydrosilylation reaction. The resins prepared by the methods provided by the invention have excellent heat stability, mechanical properties and electrical properties, thus being suitable for being used as interlayer dielectric films or packaging materials in the fields such as micro-electronics industry and national defense aerospace. The formula (IV) is described in the description.
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Property | Measurement | Unit |
Thermal decomposition temperature | 495.0 | °C |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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