Phthalonitrile resin as well as preparation method and application thereof

• Main Authors: GUO YING, ZHAO TONG, ZHOU HENG, LI YUBO, DING JIANGNAN, LIU JINSHUAI
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses a phthalonitrile resin and a preparation method and application thereof, the resin is obtained through a blending reaction of the following compositions, and the compositions comprise the following components in parts by weight: 25-120 parts of a phthalonitrile monomer, 5-50 parts of a hollow filler, 2.5-20 parts of an interface modifier and 2.5-20 parts of a toughening agent. The phthalonitrile resin and cured resin thereof disclosed by the invention have the characteristics of low density and low dielectric constant, also have good heat resistance and heat protection/heat insulation performance, can be used as a high-performance composite material resin matrix, and have application value in the fields of military industry, ships, aerospace, electronics and the like. 本发明公开了一种邻苯二甲腈树脂及其制备方法和应用，所述树脂通过下述组合物的共混反应获得，所述组合物包括以下重量份的组分：邻苯二甲腈单体25～120份，空心填料5～50份，界面改性剂2.5～20份，增韧剂2.5～20份。本发明公开的邻苯二甲腈树脂及其固化树脂具有密度低、低介电常数的特点，同时兼具良好的耐热性能和防热/隔热性能，可作为高性能复合材料树脂基体，在军工、船舶、航空航天和电子等领域具有应用价值。