标准摘要
[中文适用范围]： IEC 61249 的这部分规定了预浸料（prepreg）的性能要求，主要用于根据 IEC 61249-2-36 制造层压板时作为粘合片，用于根据 IEC 62326-4 制造多层板。由这些材料组成的多层板适用于无铅组装工艺。该材料也可用于粘合其他类型的层压板。根据本标准制造的预浸料具有定义的阻燃性（垂直燃烧测试）。通过在全固化预浸料中使用作为聚合物结构一部分的含溴阻燃剂来实现阻燃等级。根据供应商的说明固化预浸料后，玻璃化转变温度定义为至少 120 °C。 [外文原描述]： IEC 61249-4-14:2009 gives requirements for properties of prepreg that are mainly intended to be used as bonding sheets in connection with laminates according to IEC 61249-2-36 when manufacturing multilayer boards according to IEC 62326-4. Multilayer boards comprised of these materials are suitable for lead-free assembly processes. This material may also be used to bond other types of laminates. Prepreg according to this standard is of defined flammability (vertical burning test). The flammability rating on fully cured prepreg is achieved through the use of brominated fire retardants contained as an integral part of the polymeric structure. After curing of the prepreg according to the supplier's instructions, the glass transition temperature is defined to be 120 °C minimum.
英文名称Materials for printed boards and other interconnecting structures - Part 4-14: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly