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    • 10. 发明授权
    • Solvent-based adhesive composition for roofing membranes
    • 用于屋顶膜的溶剂型粘合剂组合物
    • US5234987A
    • 1993-08-10
    • US908408
    • 1992-07-06
    • Michael J. HubbardBrian J. BriddellDennis K. Fisher
    • Michael J. HubbardBrian J. BriddellDennis K. Fisher
    • C08L53/00C09J125/18C09J153/00
    • C09J125/18C09J153/00C08L53/00
    • A solvent-based adhesive composition for adhering together roofing materials, such as synthetic EPDM rubber sheets, which provides long term storage stability is provided. The adhesive composition includes a halogenated copolymer of isobutylene and p-methyl styrene, a thermoplastic rubber comprising a styrene-ethylene-butylene-styrene block copolymer, an endblock resin for the thermoplastic rubber, a tackifier, an accelerator/cure package, and a solvent. The cured composition exhibits a peel strength of at least 3.0 pounds per lineal inch at room temperature, at least 3.0 pounds per lineal inch at 212.degree. F., supports a static load of at least 0.67 pounds at 158.degree. F. for a minimum of 24 hours, and exhibits a viscosity increase of less than 1500 centipoise after aging at 130.degree. F. for six weeks.
    • 提供了一种溶剂型粘合剂组合物,其用于将屋顶材料(例如合成EPDM橡胶片)粘合在一起,其提供长期的储存稳定性。 粘合剂组合物包括异丁烯和对甲基苯乙烯的卤化共聚物,包含苯乙烯 - 乙烯 - 丁烯 - 苯乙烯嵌段共聚物的热塑性橡胶,用于热塑性橡胶的端嵌段树脂,增粘剂,促进剂/固化包装和溶剂 。 固化的组合物在室温下表现出至少3.0磅/线性英寸的剥离强度,在212°F时每线性英寸至少为3.0磅,在158°F下支持至少0.67磅的静态载荷, 24小时,130°F老化后粘度增加小于1500厘泊,持续6周。