CN103087515B - 一种高含量玻纤增强尼龙6复合材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种高含量玻纤增强尼龙6复合材料，其是由以下质量份的原料组成：20-40份的PA6、75-65份的长玻纤、2-5份己内酰胺、0.002-0.005份催化剂、0-2份的偶联剂、0.1-0.4份的抗氧剂、0-5份的玻纤相容剂、0.1-1份的抗浮纤助剂、0.2-0.5成核剂。本发明制备的复合材料具有优异的综合性能，尤其是具有较好的力学性能。
Description
技术领域
本发明涉及一种高含量玻纤增强尼龙6复合材料及其制备方法。
背景技术
尼龙是聚酰胺的统称，是五大通用工程塑料中产量最大、品种最多、应用最广、综合性能最优良的挤出树脂。在聚酰胺树脂中，尼龙6和尼龙66的产量与消耗量最大，约占总聚酰胺的90%左右，尼龙主要在力学、化学、热学性能等方面有突出的特点。
随着工业的发展，以塑代钢逐渐被人们所认知，所以提高尼龙的机械强度，以达到金属材料的强度，取代金属作为受力结构材料是当务之急，尼龙增强主要包括玻璃纤维增强、碳纤维增强、芳纶增强和晶须增强等，在技术日新月异的今天，纳米增强也慢慢的被接受。在这些增强材料中，玻纤增强是最早被利用并且工业化的材料。但是随着玻纤含量的增加，浮纤的问题就出现了，同时玻纤含量对材料的力学性能等各方面性能的影响并不是线性的，全面解决浮纤、复合材料的综合性能一直是业界关注的热点。
发明内容
本发明的目的是提供一种一种高含量玻纤增强尼龙6复合材料及其制备方法。
本发明所采取的技术方案是：
一种高含量玻纤增强尼龙6复合材料，其是由以下质量份的原料组成：20-40份的PA6、75-65份的长玻纤、2-5份己内酰胺、0.002-0.005份催化剂、0-2份的偶联剂、0.1-0.4份的抗氧剂、0-5份的玻纤相容剂、0.1-1份的抗浮纤助剂、0.2-0.5成核剂。
所述的偶联剂为铝酸酯偶联剂、锆酸酯偶联剂、钛酸酯偶联剂中的至少一种。
所述的催化剂由主催化剂和助催化剂组成。
所述的抗氧剂为受阻酚类抗氧剂或者亚磷酸酯类抗氧剂。
所述的成核剂为BRUGGOLEN P22。
所述的抗浮纤助剂为多元醇脂肪酸。
所述的主催化剂为无机碱。
所述的助催化剂为异氰酸酯。
一种高含量玻纤增强尼龙6复合材料的制备方法，包括以下步骤：1）将偶联剂和成核剂混合均匀，将该混合物涂覆在长玻纤表面，得到改性玻纤；2）将其余原料与改性玻纤置于挤出机中熔融挤出即可。
挤出机的螺杆长径比为48:1。
本发明的有益效果是：本发明制备的复合材料具有优异的综合性能，尤其是具有较好的力学性能。
具体实施方式
下面结合具体实施例对本发明做进一步的说明：
实施例1：
一种高含量玻纤增强尼龙6复合材料，其配方组成如下表1所示：
实施例2：
一种高含量玻纤增强尼龙6复合材料，其配方组成如下表2所示：
实施例3：
一种高含量玻纤增强尼龙6复合材料，其配方组成如下表3所示：
以实施例1的配方为例，说明本发明的复合材料的制备方法：
1）将PA6、抗氧剂1010、玻纤增强相容剂、抗浮纤助剂RH-210共同加入高速混料机中，混合5min； 2）将钛酸酯偶联剂LD-70和成核剂BRUGGOLEN P22混合均匀，将该混合物涂覆在玻纤表面，得到改性玻纤；3）将己内酰胺、4,4’-二苯甲烷二异氰酸酯、NaOH加入高速搅拌机中搅拌混合3min；4）将步骤1）得到的混合物通过双螺杆挤出机的主加料口加入到挤出机中，将步骤2）得到的改性玻纤通过玻纤口加入挤出机中，将步骤3）得到的混合物通过辅加料口加入到挤出机中；熔融挤出、水冷、风干、切粒即可，挤出的温度为225-265℃，挤出机的长径比为48:1。
以其他实施例的配方制备复合材料的步骤与此相同；
对实施例的配方制备的复合材料进行测试，其性能如下：
Claims (3)
1.一种高含量玻纤增强尼龙6复合材料，其特征在于：其是由以下质量份的原料组成：20-40份的PA6、75-65份的长玻纤、2-5份己内酰胺、0.002-0.005份催化剂、0-2份的偶联剂、0.1-0.4份的抗氧剂、0-5份的玻纤相容剂、0.1-1份的抗浮纤助剂、0.2-0.5成核剂；所述的偶联剂为铝酸酯偶联剂、锆酸酯偶联剂、钛酸酯偶联剂中的至少一种；所述的催化剂由主催化剂和助催化剂组成；所述的抗氧剂为受阻酚类抗氧剂或者亚磷酸酯类抗氧剂；所述的成核剂为BRUGGOLEN P22；所述的抗浮纤助剂为多元醇脂肪酸；所述的主催化剂为无机碱；所述的助催化剂为异氰酸酯。
2.权利要求1所述的一种高含量玻纤增强尼龙6复合材料的制备方法，其特征在于：包括以下步骤：1）将偶联剂和成核剂混合均匀，将该混合物涂覆在长玻纤表面，得到改性玻纤；2）将其余原料与改性玻纤置于挤出机中熔融挤出即可。
3.根据权利要求2所述的一种高含量玻纤增强尼龙6复合材料的制备方法，其特征在于：挤出机的螺杆长径比为48:1。
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| CN103254638B (zh) * | 2013-05-14 | 2016-02-10 | 厦门建霖工业有限公司 | 一种高填充玻纤增强聚酰胺复合材料及其制备方法 |
| CN103436008B (zh) * | 2013-07-14 | 2018-04-24 | 上海金发科技发展有限公司 | 一种超高玻璃纤维增强尼龙材料及其制备方法 |
| CN103897388B (zh) * | 2014-03-26 | 2017-12-15 | 常州光洋轴承股份有限公司 | 一种高性能低收缩分离轴承用尼龙套筒材料及制备方法 |
| CN109280374A (zh) * | 2018-09-25 | 2019-01-29 | 苏州优利金新材料有限公司 | 一种高玻璃纤维增强尼龙材料及其制备方法 |
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| CN101735449A (zh) * | 2008-11-18 | 2010-06-16 | 熊长宏 | 一种增强型尼龙6材料的制备方法 |
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Address after: 529000 No. 135 Dongsheng Road, Jianghai District, Guangdong, Jiangmen Applicant after: GUANGDONG QIDE ENGINEERING PLASTIC TECHNOLOGY Co.,Ltd. Address before: 529000 No. 135 Dongsheng Road, Jianghai hi tech Industrial Zone, Jianghai District, Guangdong, Jiangmen Applicant before: QIDE ENGINEERING PLASTICS TECHNOLOGY Co.,Ltd. |
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Denomination of invention: High-content glass fiber reinforced nylon 6 composite material and preparation method thereof Effective date of registration: 20170713 Granted publication date: 20150701 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: GUANGDONG QIDE ENGINEERING PLASTIC TECHNOLOGY Co.,Ltd. Registration number: 2017990000629 |
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Date of cancellation: 20200608 Granted publication date: 20150701 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: GUANGDONG QIDE ENGINEERING PLASTIC TECHNOLOGY Co.,Ltd. Registration number: 2017990000629 |
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