Coating system and its use for producing polyurethane acrylate surface
coatings for laminated sheets
    1.
    发明授权
    Coating system and its use for producing polyurethane acrylate surface coatings for laminated sheets 失效
    涂层系统及其用于生产聚氨酯丙烯酸酯表面涂层的层压板

    公开(公告)号:US5976304A

    公开(公告)日:1999-11-02

    申请号:US11468

    申请日:1998-02-17

    摘要: A coating system comprised of a resin component, a hardening component and additives. The resin component contains (meth)acrylic double bonds and at least two reactive hydroxyl groups, and the hardening component is comprised of a multifunctional, at least bifunctional isocyanate. The proportions of resin and hardening component in the coating system are stoichiometric. The coating system is suitable for producing laminated sheets with a surface layer of progressively hardening polyurethane acrylate. During a first hardening stage, the free hydroxyl groups of the resin component cross-link with the isocyanate groups of the hardening component, forming a urethane acrylate prepolymer which contains (meth)acrylic double bonds. In the second hardening state, the (meth)acrylic double bonds continue to cross-link, forming the urethane acrylic polymer coating of the sheet surface. The progressive cross-linking reaction may be controlled by altering the reaction parameters, such as pressure, temperature, choice of additives and chemical constitution of the hardening component.

    摘要翻译: PCT No.PCT / AT97 / 00138 Sec。 371日期1998年2月17日 102(e)日期1998年2月17日PCT提交1997年6月19日PCT公布。 公开号WO97 / 49746 日期1997年12月31日涂料系统由树脂组分,硬化组分和添加剂组成。 树脂组分含有(甲基)丙烯酸双键和至少两个反应性羟基,并且硬化组分由多官能的至少双官能异氰酸酯组成。 涂层体系中树脂和硬化组分的比例是化学计量的。 该涂层系统适用于生产具有逐渐硬化聚氨酯丙烯酸酯表面层的层压片材。 在第一硬化阶段,树脂组分的游离羟基与硬化组分的异氰酸酯基交联,形成含有(甲基)丙烯酸双键的氨基甲酸酯丙烯酸酯预聚物。 在第二硬化状态下,(甲基)丙烯酸双键继续交联,形成片表面的聚氨酯丙烯酸聚合物涂层。 可以通过改变反应参数(例如压力,温度,添加剂的选择和硬化组分的化学构成)来控制渐进交联反应。

    Building elements and their preparation
    4.
    发明授权
    Building elements and their preparation 失效
    建筑元素及其准备

    公开(公告)号:US4191667A

    公开(公告)日:1980-03-04

    申请号:US890015

    申请日:1978-03-24

    摘要: An improved building material element or board having good thermal insulation properties comprising expanded vermiculite granules coated with 2 to 30% by weight, based on the weight of vermiculite, with an organic binder formed into a press cake which is then press heated to form the building element, the improvement comprising that at least a portion of the coated vermiculite granules are recycled particles which increases the density and has a more uniform and more easily sized surface and a process for its preparation.

    摘要翻译: 具有良好隔热性能的改进的建筑材料元件或板包括以基于蛭石重量的2至30重量%的膨胀蛭石颗粒与形成压饼的有机粘合剂,然后将其加压加热形成建筑物 该改进包括至少一部分涂覆的蛭石颗粒是再循环的颗粒,其增加密度并具有更均匀和更容易尺寸的表面及其制备方法。

    Vinyl alcohol copolymers and water-soluble films containing them
    6.
    发明授权
    Vinyl alcohol copolymers and water-soluble films containing them 失效
    乙烯醇共聚物和含有它们的水溶性薄膜

    公开(公告)号:US5914368A

    公开(公告)日:1999-06-22

    申请号:US765435

    申请日:1997-01-15

    CPC分类号: C08J5/18 C08F8/48 C08J2329/04

    摘要: The description relates to vinyl alcohol copolymers which can be produced by the acid-catalysed acetalisation reaction of polyvinyl alcohols with a degree of saponification of 80-99.5 mol % and preferably between 88 and 99.5 mol % with natural substances or their derivatives containing carbonyl or presumptive carbonyl groups. The description also relates to water-soluble films containing such vinyl alcohol copolymers, the solubility of which can be adjusted to the desired solution temperature. Said water-soluble films are used as packaging materials and auxiliaries, e.g. in the form of sealing lacquers.

    摘要翻译: PCT No.PCT / AT95 / 00151 Sec。 371日期1997年1月15日 102(e)日期1997年1月15日PCT提交1995年7月21日PCT公布。 公开号WO96 / 03443 日期1996年2月8日该描述涉及乙烯醇共聚物,其可以通过酸性催化的缩合反应生产,其中皂化度为80-99.5mol%,优选88-99.5mol%的聚乙烯醇与天然物质或它们的 含有羰基或推定羰基的衍生物。 该描述还涉及含有这种乙烯醇共聚物的水溶性膜,其溶解度可以调节到所需的溶液温度。 所述水溶性薄膜用作包装材料和助剂,例如, 以密封漆的形式。