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首页> 外文期刊>Journal of Applied Polymer Science >Polymer adhesion in heat-treated nonwovens
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Polymer adhesion in heat-treated nonwovens

机译：热处理的非织造织物中的聚合物粘附

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Polymer adhesion and sintering in compound nonwovens was studied. Nonwovens containing a mixture of binding bi-component (BICO) fibers embedded in a fibrous matrix were heated to melt the outer shell of BICO fibers and interlock the matrix to create stiff load-bearing surfaces. It was found that stiffness depends on heat-treatment regimes. In low-temperature regimes, BICO fibers melt, but do not fully flow and encase the surrounding filler matrix. At sufficiently high temperatures, the shells of BICO fibers melt and flow which results in encasing the neighboring filler fibers. This results in an abrupt increase in the nonwoven stiffness which is independent of heat-treatment temperature. At significantly high temperatures, the filler matrix fibers sinter to each other leading to a further increase in stiffness. The experiments were conducted with co-polymers frequently used in the shells of BICO to demonstrate the interlocking mechanism characteristic of these compound nonwovens. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46165.
机译：研究了化合物非织造物中的聚合物粘附和烧结。加热含有嵌入纤维基质中的结合双组分（BICO）纤维的混合物的非威丝，以熔化双纤维的外壳并互锁基质以产生刚性承载表面。发现刚度取决于热处理制度。在低温制度中，Bico纤维熔化，但不完全流动并加入周围的填充基质。在足够高的温度下，Bico纤维的壳体熔化和流动，导致邻近填充纤维。这导致非织造刚度突然增加，其与热处理温度无关。在显着高温下，填料基质纤维彼此烧结，导致刚度的进一步增加。用经常用于Bico壳的共聚物进行实验，以证明这些化合物非织造织物的互锁机构特性。 （c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46165。

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