CN106863977A - 一种船体堵漏用囊体复合材料及其制备方法和应用 - Google Patents
一种船体堵漏用囊体复合材料及其制备方法和应用 Download PDFInfo
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Abstract
本发明涉及一种船体堵漏用囊体复合材料及其制备方法和应用。所述复合材料包括由上至下依次设置的耐老化层A、高强度织物层B和气密层C;所述耐老化层A是由聚醚型热塑性聚氨酯弹性体制成的层;所述高强度织物层B选自聚酰胺纤维织物、聚酯纤维织物或聚乙烯纤维织物;所述气密层C是由聚醚型或聚酯型热塑性聚氨酯弹性体制成的层。所述复合材料具有耐老化、耐侵蚀、耐低温屈挠性能好、强度高、气密性好等优点,能够满足船舶破损补漏的需求,可用于制备船体堵漏气囊的囊体,且所述复合材料的制备方法流程简单,具备良好的工业化前景。
Description
【技术领域】
本发明涉及船体堵漏材料领域,具体涉及一种船体堵漏用囊体复合材料及其制备方法和应用。
【背景技术】
船舶在出海过程中受到损伤、产生漏洞时,需要及时堵漏,否则可能导致沉船,造成重大的船舶事故。船体堵漏一般是使用堵漏器材堵塞破洞、漏洞或裂缝,阻止水进入,防止破损部位进一步扩大,控制船体破损后的损害程度,为排水创造有利条件,受损船舶待回到港口再修理。为此,一般船舶均配有相应的堵漏器材。目前常用的船体堵漏器材包括堵漏毯、堵漏垫、堵漏盒、堵漏伞以及各种规格的木塞、木楔等,但是上述堵漏器材难于折叠,体积较大,不易于携带,限制了其应用。
为解决上述问题,现有技术已提供有堵漏气囊,其不使用便于折叠、携带和存放,使用时进行充气便可用于堵漏。目前的堵漏气囊主要是采用橡胶囊体,如采用天然橡胶、丁苯橡胶、丁腈橡胶、丁基橡胶作为囊体,上述橡胶囊体虽然可以满足一定的气密性和强度要求,但仍存在以下不足:天然橡胶存在易老化变质,耐油和耐溶剂性不好,抵抗酸碱的腐蚀能力低,耐热性不高等缺陷;丁苯橡胶存在弹性低,抗屈挠性能和抗撕裂性能较差,自粘性差,生胶强度低等缺点;丁腈橡胶存在耐寒差,强度及弹性较低,耐酸性差,电绝缘性不好,耐极性溶剂性能较差等缺点;丁基橡胶存在弹性差,加工性能差,耐油性差等缺陷。而耐老化、耐低温曲挠性、耐海水侵蚀等性能对于船体堵漏器材来说是至关重要的,故而上述橡胶堵漏气囊的应用也受到了限制。
【发明内容】
针对现有技术存在的不足,本发明所要解决的技术问题是如何进一步提高囊体的气密性能、拉伸强度和刺破强度,制作符合相关安全法规以及性能要求的超轻超薄材料。
为解决上述技术问题,本发明采用的技术方案是:
提供一种船体堵漏用囊体复合材料,包括由上至下依次设置的耐老化层A、高强度织物层B和气密层C;所述耐老化层A是由聚醚型热塑性聚氨酯弹性体制成的层;所述高强度织物层B选自聚酰胺纤维织物、聚酯纤维织物或聚乙烯纤维织物;所述气密层C是由聚醚型或聚酯型热塑性聚氨酯弹性体制成的层。
进一步地,所述耐老化层A厚度在0.1mm至5mm之间;所述气密层C厚度在0.05mm至1mm之间。所述耐老化层A和气密层C在上述厚度范围内能达到耐老化性能和气密性能良好的效果,同时保证材料超轻超薄。
进一步地,所述气密层C是聚酰胺纤维织物,所述聚酰胺纤维织物选自芳纶织物或锦纶织物。芳纶是芳香族聚酰胺纤维,芳纶织物能够带来超高强度、高模量和耐高温的性能。所述锦纶是脂肪族聚酰胺纤维,锦纶织物能够带来抗冲击性能好、耐磨擦等性能。
进一步地,所述气密层C为尼龙6或尼龙66的纤维织物,纤维直径在500D到1400D之间。所述尼龙6或尼龙66均为高强度工业尼龙纤维。更进一步地,纤维直径是840D。
本发明还提供上述一种船体堵漏用囊体复合材料的制备方法,包括以下步骤:
步骤一:将耐老化层A与高强度织物层B的一面贴合;
步骤二:将气密层C与高强度织物层B的另一面贴合。
进一步地,所述步骤一的具体步骤是:先制备耐老化层A的薄膜,再将耐老化层A的薄膜与高强度织物层B的一面贴合、热压;或者,先制备耐老化层A的薄膜,再使用胶粘剂将耐老化层A的薄膜与高强度织物层B的一面粘合;或者,将聚醚型热塑性聚氨酯弹性体熔融挤出流延涂覆在高强度织物层B的一面上,形成耐老化层A。
进一步地,所述步骤二的具体步骤是:先制备气密层C的薄膜,再将气密层C的薄膜与高强度织物层B的另一面贴合、热压;或者,先制备气密层C的薄膜,再使用胶粘剂将气密层C的薄膜与高强度织物层B的另一面粘合;或者,将聚醚型或聚酯型热塑性聚氨酯弹性体熔融挤出流延涂覆在高强度织物层B的另一面上,形成气密层C。
本发明还提供了上述一种船体堵漏用囊体复合材料的应用,具体是将权利要求1-6任一项所述的一种船体堵漏用囊体复合材料用于制备船体堵漏气囊的囊体。
本发明能够取得以下技术效果:
(1)本发明的船体堵漏用囊体复合材料具有A+B+C三层结构,其具有耐老化、耐侵蚀、耐低温屈挠性能好,强度高,气密性好等优点,能够满足船舶破损补漏的需求,可用于制备船体堵漏气囊的囊体。
(2)本发明的复合材料制备工艺线路清晰,工艺流程简单,成品率高,具备良好的工业化前景。
【附图说明】
图1是本发明实施例1所得复合材料的结构示意图;
图2是本发明实施例2所得复合材料的结构示意图;
图3是本发明实施例3所得复合材料的结构示意图。
图1-3中,1-耐老化层A,2-高强度织物层B,3-气密层C,4-胶粘剂层。
【具体实施方式】
实施例1:
(1)以聚醚型热塑性聚氨酯为主料,对原料颗粒进行烘干,然后通过流延的方式做成耐老化层A的薄膜,厚度为0.5mm;
(2)以聚醚型热塑性聚氨酯为主料,对原料颗粒进行烘干,然后通过流延的方式做成气密层C的薄膜,厚度为0.05mm;
(3)将耐老化层A的薄膜和高强度织物层B通过厚度为0.001mm的胶粘剂粘接,挤压粘合在一起;所述高强度织物层B是高强度尼龙66的织物;
(4)将高强度织物层B的另一面和气密层C的薄膜通过厚度为0.001mm的胶粘剂粘接,挤压复合,即得船体堵漏用囊体复合材料,其结构如图1所示。
实施例2:
(1)以聚醚型热塑性聚氨酯为主料,对原料颗粒进行烘干,然后通过流延的方式做成耐老化层A的薄膜,厚度为2mm;
(2)以聚醚型热塑性聚氨酯为主料,对原料颗粒进行烘干,然后通过流延的方式做成气密层C的薄膜,厚度为0.5mm;
(3)将耐老化层A的薄膜和高强度织物层B通过厚度为0.001mm的胶粘剂粘接,挤压粘合在一起;所述高强度织物层B是高强度尼龙66的织物;
(4)高强度织物层B的另一面和气密层C贴合,采用热压的方式将气密层C与高强度织物层B复合,热压温度为130℃,热压时间为20s,即得船体堵漏用囊体复合材料,其结构如图2所示。
实施例3:
(1)以高强度尼龙66织物为高强度织物层B,对高强度织物层B进行表面预处理,然后以聚醚型热塑性聚氨酯为主料,通过在线挤出熔融,通过流延的方式直接在高强度织物层B的一面涂覆耐老化层A,耐老化层A的厚度为5mm;
(2)对高强度织物层B的另一面进行表面预处理,通过流延在线挤出熔融的方式在高强度织物层B的另一面涂覆一层气密层C,气密层C为聚醚型聚氨酯,厚度为1mm;得到船体堵漏TPU复合材料,其结构如图3所示。
将实施例1-3所制得的复合材料进行性能检测,检测样品从制备材料中任意选取,测试方法如下:
1、磨损量:测试标准DIN 53516,单位:mm3;
2、拉伸强度:测试标准FTMS5100,样本规格:长152mm×宽102mm(需顺着布的织线方向取样),拉伸速度:305±13mm/min,夹具要求:夹具口25.4mm*25.4mm,夹口长25.4mm,单位N/in;
3、撕裂强度:测试标准FTMS5134,速度:305±13mm/min,夹具要求:夹具口25.4mm*25.4mm,夹口长25.4mm,单位N/in;
4、透气性:测试标准FTMS 5960,测试温度:25℃,氦气载体,单位:L/m2·24h;
5、刺破强度:测试标准TSO C69C。
表1实施例1-3所得复合材料性能
由实施例1-3可知,本发明的船体堵漏用囊体复合材料具有耐老化、耐侵蚀、耐低温屈挠性能好、强度高、气密性好等优点,能够满足船舶破损补漏的需求。
Claims (10)
1.一种船体堵漏用囊体复合材料,其特征在于包括由上至下依次设置的耐老化层A、高强度织物层B和气密层C;
所述耐老化层A是由聚醚型热塑性聚氨酯弹性体制成的层;
所述高强度织物层B选自聚酰胺纤维织物、聚酯纤维织物或聚乙烯纤维织物;
所述气密层C是由聚醚型或聚酯型热塑性聚氨酯弹性体制成的层。
2.根据权利要求1一种船体堵漏用囊体复合材料,其特征在于所述耐老化层A厚度在0.1mm至5mm之间。
3.根据权利要求1一种船体堵漏用囊体复合材料,其特征在于所述气密层C厚度在0.05mm至1mm之间。
4.根据权利要求1-3任一项所述的一种船体堵漏用囊体复合材料,其特征在于所述气密层C是聚酰胺纤维织物,所述聚酰胺纤维织物选自芳纶织物或锦纶织物。
5.根据权利要求4所述的一种船体堵漏用囊体复合材料,其特征在于所述气密层C为尼龙6或尼龙66的纤维织物,纤维直径在500D到1400D之间。
6.根据权利要求5所述的一种船体堵漏用囊体复合材料,其特征在于纤维直径是840D。
7.根据权利要求1-6任一项所述的一种船体堵漏用囊体复合材料的制备方法,其特征在于包括以下步骤:
步骤一:将耐老化层A与高强度织物层B的一面贴合;
步骤二:将气密层C与高强度织物层B的另一面贴合。
8.根据权利要求7所述的一种船体堵漏用囊体复合材料的制备方法,其特征在于所述步骤一的具体步骤是:
先制备耐老化层A的薄膜,再将耐老化层A的薄膜与高强度织物层B的一面贴合、热压;
或者,先制备耐老化层A的薄膜,再使用胶粘剂将耐老化层A的薄膜与高强度织物层B的一面粘合;
或者,将聚醚型热塑性聚氨酯弹性体熔融挤出流延涂覆在高强度织物层B的一面上,形成耐老化层A。
9.根据权利要求8所述的一种船体堵漏用囊体复合材料的制备方法,其特征在于所述步骤二的具体步骤是:
先制备气密层C的薄膜,再将气密层C的薄膜与高强度织物层B的另一面贴合、热压;
或者,先制备气密层C的薄膜,再使用胶粘剂将气密层C的薄膜与高强度织物层B的另一面粘合;
或者,将聚醚型或聚酯型热塑性聚氨酯弹性体熔融挤出流延涂覆在高强度织物层B的另一面上,形成气密层C。
10.根据权利要求1-6任一项所述的一种船体堵漏用囊体复合材料的应用,其特征在于将权利要求1-6任一项所述的一种船体堵漏用囊体复合材料用于制备船体堵漏气囊的囊体。
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CN114013136A (zh) * | 2021-11-18 | 2022-02-08 | 中国人民解放军空军特色医学中心 | 一种聚氨酯胶布及其制备方法 |
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