CN111421902A - 一种阻燃型环保胶管及其制备方法 - Google Patents

一种阻燃型环保胶管及其制备方法 Download PDF

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CN111421902A
CN111421902A CN202010226910.7A CN202010226910A CN111421902A CN 111421902 A CN111421902 A CN 111421902A CN 202010226910 A CN202010226910 A CN 202010226910A CN 111421902 A CN111421902 A CN 111421902A
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rubber
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周江明
许跃洲
柴振士
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Kunming Jinshuilong Rubber Products Co ltd
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Abstract

本发明涉及胶管制备技术领域，公开了一种阻燃型环保胶管及其制备方法，包括内胶管、外胶管和增韧层，所述增韧层设置于内胶管和外胶管之间，所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂35‑55份、硅胶粉15‑20份、EPDM生胶粉100‑120份、硅脂油15‑25份、氢氧化铝10‑15份、氢氧化镁10‑15份、醋酸2‑5份、山梨酸2‑5份、陶土1‑5份。本发明通过添加氢氧化铝、氢氧化镁、醋酸和山梨酸，具有优异的阻燃效果,安全系数高，并且无磷无卤不会对环境造成污染，具有良好的环保性，采用玻璃纤维丝作为增韧层，具有较高的耐磨性和韧性，有效的保证了胶管的增体使用寿命，采用EPDM生胶粉作为主要原料，保证了胶管的性能，使其具有良好的抗冲击性。

Description

一种阻燃型环保胶管及其制备方法
技术领域
本发明涉及胶管制备技术领域，具体是一种阻燃型环保胶管及其制备方法。
背景技术
用以输送气体、液体、浆状或粒状物料的一类管状橡胶制品。由内外胶层和增韧层组成，增韧层的材料可用棉纤维、各种合成纤维、碳纤维或石棉、钢丝等，一般胶管的内外胶层材料采用天然橡胶、丁苯橡胶或顺丁橡胶。
但是目前市面上的胶管阻燃效果差，在火情出现的环境下容易出现助燃的反效应，严重的影响了使用安全，同时现有的胶管弹性、韧性较差，在使用时因时间久远容易出现硬化、断裂的问题，严重影响了胶管的使用寿命。因此，本领域技术人员提供了一种阻燃型环保胶管，以解决上述背景技术中提出的问题。
发明内容
本发明的目的在于提供一种阻燃型环保胶管及其制备方法，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种阻燃型环保胶管，包括内胶管、外胶管和增韧层，所述增韧层设置于内胶管和外胶管之间，所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂35-55份、硅胶粉15-20份、EPDM生胶粉100-120份、硅脂油15-25份、氢氧化铝10-15份、氢氧化镁10-15份、醋酸2-5份、山梨酸2-5份、陶土1-5份。
作为本发明再进一步的方案：所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂38-52份、硅胶粉16-19份、EPDM生胶粉105-115份、硅脂油18-22份、氢氧化铝12-14份、氢氧化镁12-14份、醋酸3-4份、山梨酸3-4份、陶土2-4份。
作为本发明再进一步的方案：所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂40份、硅胶粉18份、EPDM生胶粉110份、硅脂油20份、氢氧化铝13份、氢氧化镁13份、醋酸3.5份、山梨酸3.5份、陶土3份。
作为本发明再进一步的方案：根据所述内胶管和外胶管的原料，还包括以下制备方法：
S1、将氢氧化铝、氢氧化镁、醋酸、山梨酸置入容器中搅拌15min后，再置入超声仪中进行超声分散后得到环保阻燃液；
S2、将环氧树脂和EPDM生胶粉置于密炼机中加热炼胶，待炼胶结束后加入硅脂油和环保阻燃液搅拌均匀后得到半成品胶料；
S3、向半成品胶料中加入硅胶粉和陶土，搅拌10min得到成品胶料；
S4、将成品胶料通过第一螺旋挤出机挤出成型制成内胶管，同时通过编织机将增韧层缠绕编织在内胶管的表面，最后通过第二螺旋挤出机在内胶管的表面包覆上外胶管，制得阻燃型环保橡胶管；
S5、将阻燃型环保橡胶管置于流化床中流化，常温冷却后得到成品。
作为本发明再进一步的方案：所述增韧层采用玻璃纤维丝。
作为本发明再进一步的方案：所述S2步骤中环氧树脂和EPDM生胶粉在密炼机中的炼胶时间控制在5-10min，温度控制在90-100℃。
作为本发明再进一步的方案：所述S5步骤中流化床温度控制在145-155℃、压力值控制在10-15Mpa、时间控制在25-30min，同时流化完成后需在恒温下静置30h。
与现有技术相比，本发明的有益效果是：本发明通过添加氢氧化铝、氢氧化镁、醋酸和山梨酸，具有优异的阻燃效果,安全系数高，并且无磷无卤不会对环境造成污染，具有良好的环保性，采用玻璃纤维丝作为增韧层，具有较高的耐磨性和韧性，有效的保证了胶管的增体使用寿命，采用EPDM生胶粉作为主要原料，保证了胶管的性能，使其具有良好的抗冲击性。
附图说明
图1为一种阻燃型环保胶管的结构示意图；
图2为一种阻燃型环保胶管中内胶管与外胶管的配方图。
图中：1、外胶管；2、增韧层；3、内胶管。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1：
请参阅图1～2，本发明实施例中，一种阻燃型环保胶管，包括内胶管、外胶管和增韧层，所述增韧层设置于内胶管和外胶管之间，所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂35-55份、硅胶粉15-20份、EPDM生胶粉100-120份、硅脂油15-25份、氢氧化铝10-15份、氢氧化镁10-15份、醋酸2-5份、山梨酸2-5份、陶土1-5份。
进一步的，根据所述内胶管和外胶管的原料，还包括以下制备方法：
S1、将氢氧化铝、氢氧化镁、醋酸、山梨酸置入容器中搅拌15min后，再置入超声仪中进行超声分散后得到环保阻燃液；
S2、将环氧树脂和EPDM生胶粉置于密炼机中加热炼胶，待炼胶结束后加入硅脂油和环保阻燃液搅拌均匀后得到半成品胶料；
S3、向半成品胶料中加入硅胶粉和陶土，搅拌10min得到成品胶料；
S4、将成品胶料通过第一螺旋挤出机挤出成型制成内胶管，同时通过编织机将增韧层缠绕编织在内胶管的表面，最后通过第二螺旋挤出机在内胶管的表面包覆上外胶管，制得阻燃型环保橡胶管；
S5、将阻燃型环保橡胶管置于流化床中流化，常温冷却后得到成品。
进一步的，增韧层采用玻璃纤维丝。
进一步的，S2步骤中环氧树脂和EPDM生胶粉在密炼机中的炼胶时间控制在5-10min，温度控制在90-100℃。
进一步的，S5步骤中流化床温度控制在145-155℃、压力值控制在10-15Mpa、时间控制在25-30min，同时流化完成后需在恒温下静置30h。
实施例2：
按照相同步骤重复实施例1，不同于实施例1的是：内胶管和外胶管包括以下重量份组分的原料：环氧树脂38-52份、硅胶粉16-19份、EPDM生胶粉105-115份、硅脂油18-22份、氢氧化铝12-14份、氢氧化镁12-14份、醋酸3-4份、山梨酸3-4份、陶土2-4份。
实施例3：
按照相同步骤重复实施例1，不同于实施例1和实施例2的是：内胶管和外胶管包括以下重量份组分的原料：环氧树脂40份、硅胶粉18份、EPDM生胶粉110份、硅脂油20份、氢氧化铝13份、氢氧化镁13份、醋酸3.5份、山梨酸3.5份、陶土3份。
测试：
从实施例1、实施例2和实施例3中分别提取等量份的阻燃型环保橡胶管，依次放入极限氧指数仪中进行燃烧性能检测，测出结果如下：实施例1产品的极限氧指数为37％；实施例2产品的极限氧指数为39％；实施例1产品的极限氧指数为40％。
综上所述：本发明通过添加氢氧化铝、氢氧化镁、醋酸和山梨酸，具有优异的阻燃效果,安全系数高，并且无磷无卤不会对环境造成污染，具有良好的环保性，采用玻璃纤维丝作为增韧层，具有较高的耐磨性和韧性，有效的保证了胶管的增体使用寿命，采用EPDM生胶粉作为主要原料，保证了胶管的性能，使其具有良好的抗冲击性。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (7)

1.一种阻燃型环保胶管，包括内胶管、外胶管和增韧层，其特征在于，所述增韧层设置于内胶管和外胶管之间，所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂35-55份、硅胶粉15-20份、EPDM生胶粉100-120份、硅脂油15-25份、氢氧化铝10-15份、氢氧化镁10-15份、醋酸2-5份、山梨酸2-5份、陶土1-5份。
2.根据权利要求1所述的一种阻燃型环保胶管，其特征在于，所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂38-52份、硅胶粉16-19份、EPDM生胶粉105-115份、硅脂油18-22份、氢氧化铝12-14份、氢氧化镁12-14份、醋酸3-4份、山梨酸3-4份、陶土2-4份。
3.根据权利要求1所述的一种阻燃型环保胶管，其特征在于，所述内胶管和外胶管包括以下重量份组分的原料：环氧树脂40份、硅胶粉18份、EPDM生胶粉110份、硅脂油20份、氢氧化铝13份、氢氧化镁13份、醋酸3.5份、山梨酸3.5份、陶土3份。
4.根据权利要求1-3任意一项所述的一种阻燃型环保胶管，其特征在于，根据所述内胶管和外胶管的原料，还包括以下制备方法：
S1、将氢氧化铝、氢氧化镁、醋酸、山梨酸置入容器中搅拌15min后，再置入超声仪中进行超声分散后得到环保阻燃液；
S2、将环氧树脂和EPDM生胶粉置于密炼机中加热炼胶，待炼胶结束后加入硅脂油和环保阻燃液搅拌均匀后得到半成品胶料；
S3、向半成品胶料中加入硅胶粉和陶土，搅拌10min得到成品胶料；
S4、将成品胶料通过第一螺旋挤出机挤出成型制成内胶管，同时通过编织机将增韧层缠绕编织在内胶管的表面，最后通过第二螺旋挤出机在内胶管的表面包覆上外胶管，制得阻燃型环保橡胶管；
S5、将阻燃型环保橡胶管置于流化床中流化，常温冷却后得到成品。
5.根据权利要求1所述的一种阻燃型环保胶管，其特征在于，所述增韧层采用玻璃纤维丝。
6.根据权利要求4所述的一种阻燃型环保胶管，其特征在于，所述S2步骤中环氧树脂和EPDM生胶粉在密炼机中的炼胶时间控制在5-10min，温度控制在90-100℃。
7.根据权利要求4所述的一种阻燃型环保胶管，其特征在于，所述S5步骤中流化床温度控制在145-155℃、压力值控制在10-15Mpa、时间控制在25-30min，同时流化完成后需在恒温下静置30h。
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