发明名称 |
PREPARATION METHOD OF BALLAST MAT |
摘要 |
PURPOSE: A preparation method of a ballast mat using the waste tire powders with the residual fiber powders is provided to shorten the forming time and to give a ballast mat having the clean surface and the good flexibility. CONSTITUTION: The preparation method of a ballast mat using the waste tire powders comprises the steps of: pulverizing a waste tire into the powders having the mean particle diameter of not more than about 2 mm, wherein the waste tire comprises at least 50% of natural rubber or styrene-butadiene copolymer rubber; blending the tire powders and a determined amount of a crosslinking agent, unvulcanized rubber, a vulcanizing agent and a plasticizer, putting in a mixer and mixing until the temperature of the mixture reaches 90 to 110 deg.C; and charging a press mold with the mixture and press forming at 150 to 160 deg.C for 15 to 20 minutes to form the ballast mat.
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申请公布号 |
KR20040035384(A) |
申请公布日期 |
2004.04.29 |
申请号 |
KR20020064514 |
申请日期 |
2002.10.22 |
申请人 |
HS R & A CO., LTD. |
发明人 |
LEE, BEOM CHEOL;LIM, DAE MYEONG;SONG, HAN JONG;YOON, YEONG GEUN |
分类号 |
B29B17/00;(IPC1-7):B29B17/00 |
主分类号 |
B29B17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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