CN103640266B - 一种难燃的多层管 - Google Patents
一种难燃的多层管 Download PDFInfo
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- CN103640266B CN103640266B CN201310615736.5A CN201310615736A CN103640266B CN 103640266 B CN103640266 B CN 103640266B CN 201310615736 A CN201310615736 A CN 201310615736A CN 103640266 B CN103640266 B CN 103640266B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229930182556 Polyacetal Natural products 0.000 claims abstract description 8
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 8
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 8
- 229920006324 polyoxymethylene Polymers 0.000 claims abstract description 8
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
本发明公开了一种难燃的多层管，难燃的多层管分为三层，最外层为厚度2.6mm～2.9mm的ABS树脂层、第二层为厚度1.7mm～2.2mm的聚苯硫醚层、第三层为厚度2.5mm～2.6mm的聚缩醛树脂层。多层管具有难燃的特点，氧指数达到35至37。
Description
技术领域
本发明涉及一种多层管，特别是涉及一种难燃的多层管。
背景技术
塑料管在遇到高温或明火时，部分塑料管由于其材料组成的原因，会容易引发火灾造成人员和财产损失。塑料管的燃烧特性在其中起着主要作用。常规的塑料管多为单一材质，若材质为易燃的材质，则在使用过程中会有较大的火灾风险。通过将不同材质进行复合，可能使管材具有良好的难燃特性，常规的塑料管材的氧指数都较低，通常只有20至25，这种特性不能完全降低火灾的风险。
发明内容
要解决的技术问题：常规的塑料管材易燃的问题。
技术方案：本发明公开了一种难燃的多层管，难燃的多层管分为三层，最外层为厚度2.6mm～2.9mm的ABS树脂层、第二层为厚度1.7mm～2.2mm的聚苯硫醚层、第三层为厚度2.5mm～2.6mm的聚缩醛树脂层。多层管中ABS树脂层的厚度优选为1.3mm。多层管中聚苯硫醚层的厚度优选为0.6mm。多层管中聚缩醛树脂层厚度优选为2.7mm。多层管中最内层直径优选为8cm～12cm。多层管各层不同的塑材在高温下通过挤出成型，冷却后形成多层的结构。
有益效果：制备的多层管具有良好的难燃特性，测试标准为GB/T 2406-1993，本技术方案获得的难燃多层管氧指数为35至37，可以有效的降低发生火灾的风险。
附图说明
图1为多层管的剖面示意图，1为ABS树脂层、2为聚苯硫醚层、3为聚缩醛树脂层。
具体实施方式
实施例1
一种难燃的多层管，难燃的多层管分为三层，最外层为厚度2.6mm的ABS树脂层1、第二层为厚度2.2mm的聚苯硫醚层2、第三层为厚度2.5mm的聚缩醛树脂层3。多层管中最内层直径为12cm。多层管各层不同的塑材在高温下通过挤出成型，冷却后形成多层的结构。
实施例2
一种难燃的多层管，难燃的多层管分为三层，最外层为厚度2.8mm的ABS树脂层1、第二层为厚度1.7mm的聚苯硫醚层2、第三层为厚度2.6mm的聚缩醛树脂层3。多层管中最内层直径为8cm。多层管各层不同的塑材在高温下通过挤出成型，冷却后形成多层的结构。
实施例3
一种难燃的多层管，难燃的多层管分为三层，最外层为厚度2.9mm的ABS树脂层1、第二层为厚度2.0mm的聚苯硫醚层2、第三层为厚度2.5mm的聚缩醛树脂层3。多层管中最内层直径为10cm。多层管各层不同的塑材在高温下通过挤出成型，冷却后形成多层的结构。
测定了实施例1、实施例2、实施例3的多层管的氧指数，测定标准为GB/T 2406-1993，测定结果如下表。
| 实施例1 | 实施例2 | 实施例3 | |
| 氧指数 | 35 | 37 | 37 |
本技术方案获得的多层管具有难燃的特性，可以有效的降低发生火灾的风险。
Claims (2)
1.一种难燃的多层管，其特征在于难燃的多层管分为三层，最外层为厚度2.6mm～2.9mm的ABS树脂层（1）、第二层为厚度1.7mm～2.2mm的聚苯硫醚层（2）、第三层为厚度2.5mm～2.6mm的聚缩醛树脂层（3）。
2.根据权利要求1所述的一种难燃的多层管，其特征在于多层管中最内层直径为8cm～12cm。
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| CN201310615736.5A CN103640266B (zh) | 2013-11-28 | 2013-11-28 | 一种难燃的多层管 |
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| CN201310615736.5A CN103640266B (zh) | 2013-11-28 | 2013-11-28 | 一种难燃的多层管 |
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| CN103640266A CN103640266A (zh) | 2014-03-19 |
| CN103640266B true CN103640266B (zh) | 2015-07-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3561493A (en) * | 1965-04-21 | 1971-02-09 | Paul Maillard | Composite tubes and method of manufacturing same |
| FR2720472B1 (fr) * | 1994-05-31 | 1996-07-12 | Hutchinson | Tuyau de transport de carburant. |
| JP4173361B2 (ja) * | 2002-12-25 | 2008-10-29 | 三桜工業株式会社 | 樹脂チューブ |
| US7244329B2 (en) * | 2004-06-30 | 2007-07-17 | Freudenberg-Nok General Partnership | Electron beam curing in a composite having a flow resistant adhesive layer |
| JP2006258285A (ja) * | 2005-02-17 | 2006-09-28 | Yokohama Rubber Co Ltd:The | 水道配管およびその製造方法 |
| JP2007064725A (ja) * | 2005-08-30 | 2007-03-15 | Pronics Inc | 樹脂製クロマト管およびその製造方法 |
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Address after: 322105, Zhijiang Industrial Zone, Chengdong street, Jinhua, Zhejiang, Dongyang Patentee after: Zhejiang Long Sheng Rubber Co., Ltd. Address before: 322105, Zhijiang Industrial Zone, Chengdong street, Zhejiang, Dongyang Patentee before: Dongyang Lanboom Rubber and Plastic Co., Ltd. |
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Address after: 322105, Zhijiang Industrial Zone, Chengdong street, Jinhua, Zhejiang, Dongyang Patentee after: Zhejiang Long Sheng Rubber Co., Ltd. Address before: 322105, Zhijiang Industrial Zone, Chengdong street, Zhejiang, Dongyang Patentee before: Dongyang Lanboom Rubber and Plastic Co., Ltd. |