The invention discloses a lightweight automobile sealing strip which comprises a microcellular foaming adhesive part and a metal framework part, the metal framework part is arranged in the microcellular foaming adhesive part, and the microcellular foaming adhesive part comprises the following raw materials in parts by weight: 80-100 parts of EPDM raw rubber, 130-150 parts of carbon black, 60-80 parts of paraffin oil, 40-60 parts of white filler, 3.0-5.0 parts of activated zinc oxide, 1.5-2 parts of stearic acid, 1.5 to 2.0 parts of sulfur and 2.0 to 3.0 parts of accelerant, 1.0-1.5 parts of a physical foaming agent and 1.0-1.5 parts of a chemical foaming agent. The invention further provides a production process of the lightweight automobile sealing strip. The invention belongs to the technical field of automobile sealing strips, and particularly relates to a light-weight automobile sealing strip which can obviously improve the rebound resilience of a product, improve the texture at low temperature, greatly reduce the volume cost of the product, improve the performance of the product and finally achieve the purpose of higher economic benefit on the basis of not influencing the use performance of the product.
本发明公开的一种轻量化汽车密封条,包括微孔发泡胶部分和金属骨架部分,金属骨架部分设于微孔发泡胶部分内,微孔发泡胶部分包括以下重量份数的原材料:EPDM生胶80~100份,炭黑130~150份,石蜡油60~80份,白色填料40~60份,活性氧化锌3.0~5.0份,硬脂酸1.5~2份,硫磺1.5~2.0份,促进剂2.0~3.0份,物理发泡剂1.0~1.5份,化学发泡剂1.0~1.5。本发明还提供一种轻量化汽车密封条的生产工艺。本发明属于汽车密封条技术领域,具体是一种研究在不影响产品使用性能的基础上,可明显提高产品的回弹性,改善低温下的质感,大大降低了制品的体积成本,提高产品性能最终能实现更高经济效益的目的的轻量化汽车密封条。
Lightweight automobile sealing strip and production process thereof
一种轻量化汽车密封条及其生产工艺
2021-04-16
Patent
Elektronische Ressource
Chinesisch
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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