本发明涉及一种通过注塑长玻璃纤维增强的聚丙烯组合物的粒料制造的自行车车架,所述组合物具有包含玻璃纤维和浸渍剂的芯以及围绕所述芯的聚丙烯的鞘,其中所述粒料具有至少1mm的平均长度,所述玻璃纤维的量为相对于所述组合物计10至70重量%,并且所述聚丙烯具有根据ASTM D790A测定的至少1000N/mm2的挠曲模量。
The invention relates to a bicycle frame made by injection molding pellets of a long glass fibre reinforced polypropylene composition having a core containing glass fibres and an impregnating agent and a sheath of polypropylene surrounding said core, wherein the pellets have an average length of at least 1 mm, the amount of the glass fibers is 10 to 70 wt % with respect to the composition and the polypropylene has a flexural modulus determined according to ASTM D790A of at least 1000 N/mm2.
自行车车架
2023-02-28
Patent
Elektronische Ressource
Chinesisch
IPC: | B62K Fahrräder , CYCLES / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / C08J Verarbeitung , WORKING-UP |