Modified polypropylene for automobile instrument panel and preparation method thereof

• Main Authors: REN JUN, YU LINHUA
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2017
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLES IN GENERAL; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention discloses a modified polypropylene for an automobile instrument panel and a preparation method thereof. The modified polypropylene for the automobile instrument panel is prepared from, by weight, 100 parts of polypropylene, 12-35 parts of EVA resin, 3-10 parts of nano-calcium carbonate; 3-7 parts of calcium carbonate, 2-5 parts of lubricant and 1-2 parts of titanate coupling agent. The modified polypropylene is a mineral filling modified polypropylene with high rigidity and high toughness, scratch resistance, sticky resistance and low odor, and has high rigidity and high impact toughness. 本发明公开了种汽车仪表板用改性聚丙烯及其制备方法，本发明的汽车仪表板用改性聚丙烯由以下重量份的原料组成：聚丙烯100份；EVA树脂12-35份；增韧剂POE3-10份；纳米碳酸钙3-7份；润滑剂2-5份；钛酸酯偶联剂1-2份，本发明的改性聚丙烯具有高刚高韧、耐刮擦、抗发粘、低气味的矿物填充改性聚丙烯，同时兼顾了高刚性和高冲击韧性。