专利名称：Low temperature sealing adhesive
composition
发明人：Adem Chich,Steven S. Lalwani,Steven C.
Bettoli,Louis L. Grube,Alfredo A. Bondoc
申请号：US07/292408申请日：19881230公开号：US04923913A公开日：19900508
摘要：An adhesive composition for roofing such as shingles is disclosed which iscomposed of a hard asphaltic bitumen fraction having a penetration number at 77° F. offrom 0 to 30 dmm and a softening point of from about 150° to 220° F. and an elastomericcomposition composed of a thermoplastic elastomer and a plasticizer wherein theoverall adhesive composition has a penetration number of from 30 to 100 dmm at 130° F.and a softening point of 140° to 230° F. The inventive composition is self-sealing andexhibits excellent squash resistance, low temperature properties and resistance toblowoff. The composition can be used with shingles as well as other types of roofingcoverings.
申请人：GAF BUILDING MATERIALS CORPORATION
代理人：Jules E. Goldberg,Marilyn Maue,Joshua J. Ward
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