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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and flame retardancy of 2-EHA-BA acrylic PSA containing single and combined flame retardants
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Preparation and flame retardancy of 2-EHA-BA acrylic PSA containing single and combined flame retardants

机译：含一种或两种阻燃剂的2-EHA / n-BA丙烯酸PSA的制备及阻燃性

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UV curable acrylic PSAs (pressure-sensitive adhesives) were modified with organic and inorganic flame retardants to improve flame retardancy of PSAs minimize the sacrifice of adhesion properties. The flame retardancy (UL-94 test) of acrylic PSAs were enhanced by the addition of 5-30 wt % of an organic flame retardant such as TCEP (Tris(2-chloroethyl)phosphate), PBPE (pentabromophenyl ether), and TBBPA(3,3'5,5'-tetrabromobisphenol A). Especially, TBBPA is the best flame retardant for acrylic PSAs when it works alone. However, PSAs compounded with aluminum trihydroxide (Al(OH)_3) showed a little reduction in burning time up to 30 wt %. An apparent synergic effect was observed only for an acrylic PSAs with a combination of TCEP and PBPE flame retardants. The addition of flame retardants brought a no significant effect on curing even in high amount. It was surmised that the miscibility between PSAs and flame retardant was closely related with flame retardancy and adhesion properties of acrylic PSAs.
机译：UV固化的丙烯酸PSA（压敏胶）已用有机和无机阻燃剂改性，以提高PSA的阻燃性，从而最大程度地降低了粘合性能的损失。通过添加5-30 wt％的有机阻燃剂，例如TCEP（三（2-氯乙基）磷酸酯），PBPE（五溴苯基醚）和TBBPA（ 3,3'5,5'-四溴双酚A）。特别是，TBBPA单独使用时，是丙烯酸PSA的最佳阻燃剂。但是，掺有三氢氧化铝（Al（OH）_3）的PSA燃烧时间最多可减少30重量％。仅对于丙烯酸酯类PSA与TCEP和PBPE阻燃剂的组合，才观察到明显的协同作用。阻燃剂的添加即使大量也不会对固化产生显着影响。推测PSA与阻燃剂之间的可混溶性与丙烯酸PSA的阻燃性和粘合性能密切相关。

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