| 发明名称 |
MODIFIED ASPHALT HYDRAULIC SEALER |
| 摘要 |
<p>Cut-back asphalt, when modified by the addition of a small amount of a butadiene-styrene block copolymer, a hydrogenated butadiene-styrene copolymer, or mixtures thereof, or an ethylene-vinyl acetate copolymer, provides an effective hydraulic sealant when applied to a nonwoven fabric.</p> |
| 申请公布号 |
CA1017885(A) |
申请公布日期 |
1977.09.20 |
| 申请号 |
CA19730180315 |
申请日期 |
1973.09.05 |
| 申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
BRESSON, CLARENCE R.;SPAULDING, FORREST D. |
| 分类号 |
C08L95/00;E02B3/12;E02B3/16 |
主分类号 |
C08L95/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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