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    • 2. 发明授权
    • Method and foamable material for foaming or foam-coating components
    • 用于发泡或泡沫涂料组分的方法和可发泡材料
    • US6075063A
    • 2000-06-13
    • US379214
    • 1999-08-23
    • M. Zouheir Jandali
    • M. Zouheir Jandali
    • E04B1/76B29C39/10B29C39/38B29C44/34B29K55/00B29K105/04B29K105/16C08J9/00C08J9/10C09J9/10
    • C08J9/103B29C44/3415C08J9/0066C08J2323/08
    • A method for foaming or foam-coating components is used for foaming hollow cavities of double-walled or multiple-walled components or foam-coating component parts with decorative surfaces so as to improve haptic properties of component parts. A material is introduced or applied in an unfoamed state to be foamed through the use of microwave energy. In order to achieve high dielectric losses and to ensure that the heat effect is evently distributed and essentially restricted to the material to be foamed, the material is adjusted in a polar manner by addition of certain substances such as conductive soot. Reflecting agents are used to improve the distribution and effect of the microwaves. The method ensures fully foamed hollow cavities and foam layers of uniform thickness. A foamable material for foaming or foam-coating components is also provided.
    • 用于发泡或泡沫涂覆部件的方法用于发泡双壁或多壁部件的空腔或具有装饰表面的泡沫涂层部件,以改善部件的触觉性能。 通过使用微波能量将材料引入或应用于未发泡状态以发泡。 为了实现高介电损耗并且确保热效应被分散并且基本上限于待发泡的材料,通过添加某些物质例如导电烟炱以极性方​​式调节材料。 反射剂用于改善微波的分布和影响。 该方法确保了完全发泡的中空腔和均匀厚度的泡沫层。 还提供了用于发泡或泡沫涂层组分的可发泡材料。
    • 5. 发明授权
    • Biaxially drawn laminated films prepared by sequential stretching
    • 通过连续拉伸制备的双轴拉伸叠层膜
    • US4690792A
    • 1987-09-01
    • US861571
    • 1986-05-09
    • Hitoshi MatsudaTsuguo OkumuraKazuharu Abe
    • Hitoshi MatsudaTsuguo OkumuraKazuharu Abe
    • B29C55/02B29C55/14B29K7/00B29K55/00B29K77/00B29L9/00B32B27/28B29C55/26
    • B29C55/143B29C55/023Y10S264/73Y10T428/3175
    • A biaxially drawn laminated films having a good oxygen barrier property, a good mechanical strength and high thickness uniformity are made by a process comprising:a first step of forming a substantially amorphous unoriented laminated film comprising a saponified ethylene/vinyl acetate copolymer having an ethylene content of 25 to 45 mole % and a polyamide, and drawing the film in the longitudinal direction at a deformation rate of at least 10,000%/min and a draw ratio of 2.7 to 3.5 at 45.degree. to 65.degree. C. by using a roll drawing machine;a second step of transferring the film drawn at the first step to the transverse drawing-initiating point of a tenter type transverse drawing machine, expanding the width of the film at an angle of not larger than 6.degree. with respect to the central line of the film at least until the mechanically set ratio of the tenter clip distance to the original distance becomes at least 1.4 while maintaining the temperature of the tenter clips at a level lower than the temperature of the film and drawing the film in the transverse direction at an average deformation rate of 2,000 to 10,000%/min and a draw ratio of 3 to 5 under temperature conditions such that, from the transverse drawing-initiating point, the temperature of the film is elevated stepwise so that the temperature of the film is from 70.degree. to 100.degree. C. at the point of termination of the transverse drawing; anda third step of heat-treating the film drawn at the second step at a temperature form 110.degree. C. to the temperature lower by 10.degree. C. than the melting point of the starting polyamide.
    • 具有良好的阻氧性,良好的机械强度和高的厚度均匀性的双轴向拉伸的叠层膜是通过以下方法制备的:第一步骤,形成基本上无定形的未取向的层压膜,其包含乙烯含量为乙烯/ 25〜45摩尔%的聚酰胺和聚酰胺,以45℃〜65℃的变形速度,以45℃〜65℃的拉伸倍率,纵向拉伸薄膜, 机; 将在第一步骤中拉伸的薄膜转印到拉幅机横向拉伸机的横向拉伸起始点的第二步骤,使薄膜的宽度相对于中心线以不大于6°的角度 薄膜至少直到拉幅机夹距离与原始距离的机械设定比例变得至少为1.4,同时将拉幅机夹的温度保持在低于薄膜温度的水平,并将薄膜沿横向拉平 变形率为2000〜10000%/ min,拉伸倍率为3〜5,在横向拉伸起始点,膜的温度逐步升高,膜的温度为70℃ 在横向拉伸终点时为100℃; 以及第三步,在110℃的温度下将在第二步骤中拉伸的薄膜热处理至比原始聚酰胺的熔点低10℃的温度。