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    • 22. 发明申请
    • USE OF A MICROCRYSTALLINE POLYAMIDE TO OBTAIN A PARTICULAR SURFACE FINISH
    • 使用微晶聚酰胺获得特殊表面处理
    • US20110033665A1
    • 2011-02-10
    • US12908383
    • 2010-10-20
    • Thibaut MontanariChristelle Recoquille
    • Thibaut MontanariChristelle Recoquille
    • D06N7/04B29C47/06
    • C09D177/00Y10T428/24364Y10T428/31725
    • The present invention relates to the use of a microcrystalline polyamide for obtaining an object having all or part of its outer surface formed from this microcrystalline polyamide and having a particular surface finish, in which: the manufacture of the object comprises steps carried out hot between the Tg (glass transition temperature) and the Tm (melting point) of this microcrystalline polyamide; the transparency of the microcrystalline polyamide is such that the light transmission at 560 nm on a polished object 1 mm in thickness is greater than 80%, advantageously greater than 88%, the transparency being measured on the object obtained by standard processing methods, such as injection moulding and sheet extrusion/calendering. Advantageously, the microcrystalline polyamide is such that its degree of crystallinity is greater than 10% and less than 30% (1st DSC heating according to ISO 11357 at 40° C./min) and the enthalpy of melting is greater than 25 J/g and less than 75 J/g (1st DSC heating according to ISO 11357 at 40° C./min).Preferably, it such that its Tg (glass transition temperature) is between 40° C. and 90° C. and its Tm (melting point) is between 150° C. and 200° C.Advantageously, it results from the chain-linking of monomers such that 50% or more, by weight, of these monomers are ≧C9 monomers (i.e. having a number of carbon atoms equal to 9 or higher).
    • 本发明涉及微晶聚酰胺用于获得具有由该微晶聚酰胺形成的全部或部分外表面并具有特定表面光洁度的物体的用途,其中:物体的制造包括在 Tg(玻璃化转变温度)和该微晶聚酰胺的Tm(熔点) 微晶聚酰胺的透明度使得在1mm厚度的抛光对象上的560nm处的透光度大于80%,有利地大于88%,对通过标准加工方法获得的物体,例如 注射成型和片材挤出/压延。 有利地,微晶聚酰胺的结晶度大于10%且小于30%(根据ISO 11357的第一次DSC加热在40℃/ min),并且熔融焓大于25J / g 和小于75J / g(根据ISO 11357的第一次DSC加热在40℃/分钟)。 优选地,其Tg(玻璃化转变温度)在40℃和90℃之间,其Tm(熔点)在150℃和200℃之间。有利地,它是由链连接 的单体,使得这些单体的50重量%以上是≥C9单体(即碳原子数为9以上)。
    • 23. 发明申请
    • ROOFING UNDERLAYMENT
    • 屋顶底层
    • US20100227103A1
    • 2010-09-09
    • US12397898
    • 2009-03-04
    • Ronald P. Hohmann, JR.
    • Ronald P. Hohmann, JR.
    • D06N7/04B32B33/00
    • E04D12/002B32B2419/06C09J7/29Y10T428/1476Y10T428/24355
    • A roofing underlayment for use in a structure containing a roof having a substrate and a roof fastened with attaching hardware. The roofing underlayment is installed under the roofing material, providing protection against rain, wind, ice and snow. The roofing underlayment has a patterned non-skid surface with a high coefficient of friction. The roofing underlayment contains a durable peel-and-stick pressure-activated adhesive having sufficient tack to durably adhere to the rough and porous substrate and seal around attaching hardware. The roofing underlayment is UV resistant and environmentally-friendly, utilizing recycled and recyclable materials as well as cool roof materials. A second embodiment provides for a subroof panel containing a premounted roofing underlayment on the substrate. The subroof panel is installed directly on the roof frame and contains extensions to adhere to and seal between adjacent subroof panels.
    • 用于包含具有基板的屋顶的结构的屋顶衬垫以及用附接硬件紧固的屋顶。 屋顶垫层安装在屋顶材料下,防止雨,风,冰和雪积雪。 屋面垫层具有高摩擦系数的图案化防滑表面。 屋顶衬垫包含耐用的剥离和粘合压力激活的粘合剂,其具有足够的粘着力以耐久地粘附到粗糙和多孔的基底并且在附接硬件周围密封。 屋顶底层是抗紫外线和环保的,利用回收利用和可回收材料以及凉爽的屋顶材料。 第二实施例提供了在基板上包含预先安装的屋顶垫层的子框架。 子板面板直接安装在屋顶框架上,并且包含附着在相邻底板之间并延伸的延伸部分。