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    • 1. 发明公开
    • PROCESS FOR PRODUCTION OF SEALING AGENT
    • VERFAHREN ZUR HERSTELLUNG EINES ABDICHTUNGSMITTELS
    • EP2096155A1
    • 2009-09-02
    • EP07831912.6
    • 2007-11-15
    • Bridgestone Corporation
    • YANAGI, HideshiHIRATA, NarukuniMINOSHIMA, HarukiSUGIO, Daisuke
    • C09K3/10B29C73/02
    • B29C73/163B29L2030/00
    • A sealing agent stock solution 20 is prepared by preparing a mixed solution 14 by mixing a rubber latex, a resin emulsion and a surfactant, and a predetermined amount of water in a solution preparation vessel 12, followed by adding an anti-freeze agent 18 to the mixed solution 14. The sealing agent stock solution 20 is held (left standing still) at least over for 24 hr or more and preferably over for 48 hr or more without stirring in the solution preparation vessel 12, followed by filtering the sealing agent stock solution 20 with a filter member 26 made of a mesh filter having the mesh number from 50 to 400 mesh to remove latex aggregates 36 generated in the sealing agent stock solution 20, and thereby a sealing agent 10 that does not contain the latex aggregates 36 is produced.
    • 通过在溶液制备容器12中混合橡胶胶乳,树脂乳液和表面活性剂和预定量的水来制备混合溶液14制备密封剂储备溶液20,然后向其中加入防冻剂18 混合溶液14.密封剂储备溶液20在溶液制备容器12中不搅拌至少保持24小时以上,优选超过48小时以上,然后过滤密封剂原料 溶液20具有过滤构件26,过滤构件26由网孔数为50至400目的筛网制成,以除去在密封剂储液20中产生的胶乳聚集体36,从而不含胶乳聚集体36的密封剂10是 产生的。
    • 2. 发明公开
    • PUNCTURE-SEALING AGENT MANUFACTURING METHOD
    • 穿刺密封剂制造方法
    • EP2351806A1
    • 2011-08-03
    • EP09822065.0
    • 2009-10-22
    • Bridgestone Corporation
    • HIRATA, NarukuniEGUCHI, ShinichiMINOSHIMA, Haruki
    • C09K3/10B29C73/02
    • B29C73/163B29L2030/00
    • A method for manufacturing a puncture-sealing agent, which effectively prevents gelification of the puncture-sealing agent caused by agglomerates of rubber latex and that can enhance the productivity of the puncture-sealing agent is provided. The manufacturing method includes a first mixing process of mixing an antifreeze liquid with water to obtain a mixture liquid A1; a second mixing process of adding the mixture liquid A1 dropwise into a rubber latex that is being stirred and performing mixing to obtain a mixture liquid A2, while increasing the stirring speed as a liquid amount of the mixture liquid A2 increases; and a third mixing process of mixing the mixture liquid A2 with a tackifier. An amount of variation in the stirring speed is preferably from 0.1 rpm/mm to 6.0 rpm/mm, and a dropwise-addition rate of the mixture liquid A1 is preferably from 0.5 kg/min to 500 kg/min.
    • 本发明提供一种制造补胎剂的方法,其能够有效地防止由橡胶胶乳的凝聚物引起的补胎剂的胶化,并且可以提高补胎剂的生产率。 该制造方法包括:将防冻液与水混合以获得混合液A1的第一混合工序; 将混合液A1滴加到正在搅拌的橡胶胶乳中并混合以获得混合液A2的第二混合过程,同时随着混合液A2的液体量的增加而增加搅拌速度; 以及将混合液A2与增粘剂混合的第三混合工序。 搅拌速度的变化量优选为0.1rpm / mm〜6.0rpm / mm,混合液A1的滴加速度优选为0.5kg / min〜500kg / min。