The invention discloses a polypropylene composition as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polypropylene composition provided by the invention is prepared from the following components in parts by mass: 48 to 80 parts of polypropylene, 8 to 30 parts of talcum powder, 5 to 22 parts of a toughening agent, 0.1 to 0.5 part of potassium stearate and 0.2 to 0.5 part of organic bismuth carboxylate, the polypropylene composition provided by the invention has good tensile strength, simply supported beam notch impact strength, bending strength and flexural modulus before being combined with water-based paint, has excellent water resistance and relatively high stripping force after being combined with the water-based paint, and can realize rapid and comprehensive removal of the water-based paint in a subsequent paint removal process; and the problems of difficult paint removal and loss in the field of bumpers are solved, so that high-efficiency and high-quality recycling of materials is realized.
本发明公开了一种聚丙烯组合物及其制备方法和应用,属于高分子材料技术领域;本发明提供聚丙烯组合物包括以下质量份的组分:聚丙烯48‑80份、滑石粉8‑30份、增韧剂5‑22份、硬脂酸钾0.1‑0.5份、有机铋羧酸盐0.2‑0.5份;本发明提供的聚丙烯组合物在与水性漆结合前具有良好的拉伸强度、简支梁缺口冲击强度、弯曲强度和弯曲模量,在与水性漆结合后具有优异的耐水性和较高的剥离力,且在后续的脱漆过程中能够实现快速、全面的水性漆脱除,解决了保险杆领域脱漆难、损耗的问题,从而实现材料的高效高质回收利用。
Polypropylene composition as well as preparation method and application thereof
一种聚丙烯组合物及其制备方法和应用
2024-01-09
Patent
Elektronische Ressource
Chinesisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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