【摘要】 本工作合成了单组份丙烯酸有机硅烷改性聚氨酯弹性密封胶，并对其性能进行了较详细的研究，考察了丙烯酸酯共聚物、聚醚多元醇分子量、有机硅烷、异氰酸酯以及填料对密封胶力学性能的影响和变化规律，阐明了此类型密封胶各影响因素的内在机理。更多还原

【Abstract】 One component acrylic and silicone modified polyurethane elastic sealant was prepared.The pro perties were ca refolly studied．The effect and changing law of acrylic copolymer，polyether molecular weight，silicone， isocyanate and filler was investigated for the sealant me.chanics properties．The inherent mechanism of the effect factor on the sealant was elucidated.更多还原