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    • 7. 发明授权
    • Method for determining density of insulation
    • 确定绝缘密度的方法
    • US07743644B2
    • 2010-06-29
    • US11599872
    • 2006-11-15
    • Robert J. O'Leary
    • Robert J. O'Leary
    • G01N9/02
    • G01N9/02E04B1/7604E04B1/7658G01N3/42G01N2203/0284
    • An apparatus for determining the density of insulation in a cavity of a structure includes a sensor that is held in a substantially fixed position relative to the insulation for sensing the force of the insulation against the sensor. The force is used to determine the density of the insulation, which, in turn, is used to determine the thermal resistance or R-value of the insulation. The apparatus may include a fixture for supporting the sensor and holding the sensor in the substantially fixed position. A method for determining the density of loose-fill, blown-in-place insulation comprises the step of providing a structure with a cavity having a known depth. The cavity is filled with insulation. A sensor is held in a substantially fixed position relative to the insulation to measure force exerted on the sensor by the insulation. The measured force is used to determine the density of the insulation. The thermal resistance of the insulation is determined from the known cavity depth and insulation density.
    • 用于确定结构的空腔中的绝缘密度的装置包括传感器,其相对于绝缘体保持在基本上固定的位置,用于感测绝缘体抵抗传感器的力。 该力用于确定绝缘体的密度,这又用于确定绝缘体的热阻或R值。 该装置可以包括用于支撑传感器并将传感器保持在基本固定位置的夹具。 用于确定松散填充的就地绝缘的密度的方法包括提供具有已知深度的空腔的结构的步骤。 空腔充满绝缘。 传感器相对于绝缘体保持在基本上固定的位置,以通过绝缘测量施加在传感器上的力。 测量的力用于确定绝缘体的密度。 绝缘的热阻由已知的腔深度和绝缘密度确定。
    • 10. 发明申请
    • Post addition of amine-based compounds to reduce formaldehyde emmission in insulation products
    • 后添加胺基化合物以减少绝缘产品中的甲醛渗出
    • US20080248303A1
    • 2008-10-09
    • US11784723
    • 2007-04-09
    • Anthony L. Maurer
    • Anthony L. Maurer
    • D02G3/00B05D3/12
    • E04B1/7658C03C25/146C03C25/34C03C25/50D04H1/4218D04H1/587D04H1/64E04B1/7604Y10T428/2938
    • A method of reducing the emission of formaldehyde from fibrous insulation having thereon a formaldehyde-based binder is provided. In particular, an amine-based compound is added after the formaldehyde-based has been cured and prior to the insulation being processed for storage or shipment to customers. The amine-based compound may be added after binder cure and either prior to the insulation product being cut into nodules or after the insulation product has been cut into nodules. Non-limiting examples of amine-based compounds include urea, melamine and/or dicyandiamide. Once applied to the insulation product, the amine-based compound acts as a formaldehyde scavenger to reduce the emission of formaldehyde into the air. In preferred embodiments, the amine-based compound is added with an antistatic agent. The post-cure addition of urea to fibrous insulation reduces the emission of formaldehyde into the atmosphere to meet stringent GREENGUARD standards and achieve GREENGUARD certification for formaldehyde emission.
    • 提供了一种减少甲醛从其上具有甲醛基粘合剂的纤维绝缘体排放的方法。 特别地,在基于甲醛的固化之后并且在绝缘被处理以存储或运送到客户之前,添加胺类化合物。 胺类化合物可以在粘合剂固化之后并且在绝缘产品被切割成结节之前或在绝缘产品被切割成结节之后添加。 胺类化合物的非限制性实例包括脲,三聚氰胺和/或双氰胺。 一旦应用于绝缘产品,胺基化合物起到甲醛清除剂的作用,以减少甲醛向空气中的排放。 在优选的实施方案中,胺基化合物加入抗静电剂。 将固化后的尿素加入到纤维绝缘体中可减少甲醛向大气中的排放,以符合严格的GREENGUARD标准,并实现GREENGUARD甲醛释放认证。