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    Multilayer plastic pipe
    3.
    发明授权
    Multilayer plastic pipe 失效
    多层塑料管

    公开(公告)号：US5474822A

    公开(公告)日：1995-12-12

    申请号：US187740

    申请日：1994-01-28

    申请人： Stefan Rober ,  Hans Jadamus ,  Michael Boer ,  Roland Feinauer ,  Hans-Dieter Herrmann ,  Hans Ries

    发明人： Stefan Rober ,  Hans Jadamus ,  Michael Boer ,  Roland Feinauer ,  Hans-Dieter Herrmann ,  Hans Ries

    IPC分类号： B32B1/08 ,  B32B27/08 ,  B32B27/30 ,  B32B27/34 ,  C08L77/00 ,  F16L9/12 ,  F16L9/14

    CPC分类号： F16L9/12 ,  B32B27/08 ,  C08L77/00 ,  Y10S138/07 ,  Y10S428/922 ,  Y10T428/1379 ,  Y10T428/1393 ,  Y10T428/3154 ,  Y10T428/31725 ,  Y10T428/31732 ,  Y10T428/31736 ,  Y10T428/31743 ,  Y10T428/3175 ,  Y10T428/31786

    摘要： A plastic pipe having improved resistance, inter alia, to methanol-containing fuels and improved mechanical properties comprising:(I) an outer layer made of a moulding compound based on polyamide,(II) an intermediate layer adjacent to the outer layer and made of a moulding compound based on a mixture of:(a) of from 95 to 99% by weight of a linear crystalline polyester, and(b) of from 1 to 5% by weight of a compound having at least two isocyanate groups, wherein the isocyanate groups originating from component (IIb) are present in the mixture of (IIa) and (IIb) in a concentration of from 0.03 to 0.3% by weight,(III) an intermediate layer made of a moulding compound based on polyamide,(IV) an intermediate layer adjacent to the inner layer and made of a moulding compound comprising a mixture of:(a) from 50 to 90% by weight of a polyamide, and(b) from 10 to 50% by weight of a poly(alkyl)acrylic ester,(v) an inner layer made of a moulding compound based on polyvinylidene fluoride,wherein said layers (I) to (V) are each adhesively bonded to one another.

    摘要翻译： 一种塑料管，特别是具有改善的耐甲醇燃料和改善的机械性能，包括：（I）由基于聚酰胺的模塑料制成的外层，（II）与外层相邻的中间层，由 基于以下混合物的成型化合物：（a）95〜99重量％的直链状结晶性聚酯，和（b）1〜5重量％的具有至少2个异氰酸酯基的化合物，其中， 来自组分（IIb）的异氰酸酯基团以（0.03a）至0.3wt％的浓度存在于（IIa）和（IIb）的混合物中，（III）由基于聚酰胺的模塑料制成的中间层 ）与内层相邻并由包含以下混合物的模塑料制成的中间层：（a）50至90重量％的聚酰胺，和（b）10至50重量％的聚（烷基 ）丙烯酸酯，（v）由基于聚偏二氟乙烯的模塑料制成的内层， 其中所述层（I）至（V）各自彼此粘合。

    Multilayer plastic pipe
    7.
    发明授权
    Multilayer plastic pipe 失效
    多层塑料管

    公开(公告)号：US5404915A

    公开(公告)日：1995-04-11

    申请号：US974287

    申请日：1992-11-10

    申请人： Joachim Mugge ,  Stefan Rober ,  Hans-Dieter Herrmann ,  Hans Ries

    发明人： Joachim Mugge ,  Stefan Rober ,  Hans-Dieter Herrmann ,  Hans Ries

    IPC分类号： B32B1/08 ,  B32B27/08 ,  B32B27/34 ,  B32B27/36 ,  F16L9/12 ,  F16L11/00

    CPC分类号： F16L9/121 ,  B32B27/08 ,  Y10S138/07

    摘要： A multilayer plastic pipe having improved barrier action against diffusion of the substance being transported, particularly methanol-containing fuels, dimensional stability, resistance to mechanical stress, and particularly improved adhesion between layers is provided comprising:(A) an inner layer and an outer layer, each of which comprise a polyamide-based molding composition, wherein the inner layer and outer layer may be the same or different, and (B) at least one intermediate layer comprisinga) 95 to 60% by weight of a linear, crystalline polyester andb) 5 to 40% by weight of a polymer containing reactive groups other than epoxide groups,wherein the reactive groups are contained in a concentration of from 4 to 95 mmol/kg based on the total amount of component (B); and wherein the layers are intimately bonded to one another.

    摘要翻译： 提供了一种具有改善的阻挡作用的多层塑料管，其特征在于包括：（A）内层和外层，其中，所述多层塑料管具有改善的被阻挡物质的扩散作用，特别是含甲醇的燃料，尺寸稳定性，抗机械应力， ，其中每一种都包含基于聚酰胺的模塑组合物，其中内层和外层可以相同或不同，和（B）至少一个中间层，其包含a）95至60重量％的线性结晶聚酯 和b）5-40重量％的含有环氧基以外的反应性基团的聚合物，其中反应基的含量以组分（B）总量为4-95mmol / kg为基准; 并且其中所述层彼此紧密结合。