CN103756307A - 一种洗煤机筛板用高性能尼龙及其制备方法 - Google Patents

一种洗煤机筛板用高性能尼龙及其制备方法 Download PDF

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CN103756307A
CN103756307A CN201310729160.5A CN201310729160A CN103756307A CN 103756307 A CN103756307 A CN 103756307A CN 201310729160 A CN201310729160 A CN 201310729160A CN 103756307 A CN103756307 A CN 103756307A
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王胖
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QINGDAO ZHONGKE FEILI ENGINEERING TECHNOLOGY RESEARCH DEVELOPMENT Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

本发明公开了一种洗煤机筛板用高性能尼龙及其制备方法，其由以下重量份的原料制成：尼龙6650-60、聚甲醛20-30、聚四氟乙烯10-15、乙烯-丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物15-20、过氧化二异丙苯2-4、硬脂酸锌1-2、硬脂酸钙1-2、季戊四醇硬脂酸酯2-3、顺丁烯二酸二丁酯5-10、癸二酸二辛酯10-15、氢氧化镁8-12、硼酸锌5-10、活性碳酸钙10-15、复合填料4-8、抗氧剂10101-2、抗氧剂DLTP1-2。本发明制得的尼龙材料综合性能优异，具有很高的冲击韧性和机械强度,吸水率低，成型收缩率小，尺寸稳定性好，使用温度宽广，具有优良的耐高低温、耐溶剂、耐磨、耐腐蚀、耐水、耐疲劳等性能，完全满足洗煤机筛板用尼龙的性能要求。

Description

一种洗煤机筛板用高性能尼龙及其制备方法
技术领域
本发明涉及一种洗煤机筛板用高性能尼龙及其制备方法，属于高分子材料领域。
背景技术
尼龙是五大工程塑料之首，具有强度高，耐腐蚀性强、耐磨性和自润滑性好等优点，应用极其广泛。但是尼龙还存在着吸水性强,缺口冲击强度低,尺寸稳定性差，成型收缩率高的缺点，限制了其在洗煤机筛板的应用。
发明内容
本发明的目的在于针对现有技术的不足提供一种洗煤机筛板用高性能尼龙及其制备方法，利用聚甲醛、聚四氟乙烯复合改性尼龙，可以显著提高尼龙的冲击韧性、尺寸稳定性、耐磨性、耐腐蚀性、耐水性、耐油性等性能。
为实现上述目的，本发明采用的技术方案如下：
    一种洗煤机筛板用高性能尼龙，由以下重量份的原料制成：尼龙66 50-60、聚甲醛 20-30、聚四氟乙烯10-15、乙烯-丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物 15-20、过氧化二异丙苯2-4、硬脂酸锌1-2、硬脂酸钙1-2、季戊四醇硬脂酸酯2-3、顺丁烯二酸二丁酯5-10、癸二酸二辛酯10-15、氢氧化镁8-12、硼酸锌5-10、活性碳酸钙10-15、复合填料4-8、抗氧剂1010 1-2、抗氧剂DLTP 1-2。
所述复合填料的制备方法如下：按重量比4-6:2-3:1的比例称取高岭土、橄榄石、电气石混合均匀，640-680℃煅烧2-3h，冷却至室温后加入浓度为10-15%的盐酸溶液中浸泡0.5-1h，取出用蒸馏水洗涤至中性，烘干，820-850℃煅烧1-2h，粉碎，过200-300目筛；过筛后的粉末中加入3-5%的环氧大豆油、2-3%的季戊四醇硬脂酸酯、1-2%的乙烯基三(β-甲氧基乙氧基)硅烷和2-3%的纳米氮化硅，在110-120℃、1000-1500rpm条件下搅拌20-30min，烘干，粉碎，研细，过300-500目筛即可。
    一种洗煤机筛板用高性能尼龙的制备方法，包括以下步骤：
    （1）按配方配比将各原料放入高速混合机中，在常温下800-1000rpm搅拌10-15min，混合均匀，
    （2）将混合料加入平行双螺杆挤出机进行熔融共混挤出造粒，共混挤出温度为270-290℃，螺杆转速为250-350rpm，所得颗粒经100-110℃鼓风干燥5-10h，包装即可。
本发明的有益效果：
本发明利用聚甲醛、聚四氟乙烯复合改性尼龙，三者相互协同作用，可以显著提高尼龙的冲击韧性、尺寸稳定性、耐磨性、耐腐蚀性、耐水性、耐油性等性能。制备得到的尼龙材料综合性能优异，具有很高的冲击韧性和机械强度,吸水率低，成型收缩率小，尺寸稳定性好，使用温度宽广，具有优良的耐高低温、耐溶剂、耐磨、耐腐蚀、耐水、耐疲劳等性能，完全满足洗煤机筛板用尼龙的性能要求。
具体实施方式
    一种洗煤机筛板用高性能尼龙，由以下重量（kg）的原料制成：尼龙66 60、聚甲醛 25、聚四氟乙烯15、乙烯-丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物 18、过氧化二异丙苯3、硬脂酸锌1、硬脂酸钙1、季戊四醇硬脂酸酯2、顺丁烯二酸二丁酯8、癸二酸二辛酯12、氢氧化镁10、硼酸锌7、活性碳酸钙12、复合填料6、抗氧剂1010 1.5、抗氧剂DLTP 1。
所述复合填料的制备方法如下：按重量比5:3:1的比例称取高岭土、橄榄石、电气石混合均匀，680℃煅烧2h，冷却至室温后加入浓度为15%的盐酸溶液中浸泡1h，取出用蒸馏水洗涤至中性，烘干，850℃煅烧1h，粉碎，过300目筛；过筛后的粉末中加入4%的环氧大豆油、3%的季戊四醇硬脂酸酯、1%的乙烯基三(β-甲氧基乙氧基)硅烷和2%的纳米氮化硅，在115℃、1500rpm条件下搅拌20min，烘干，粉碎，研细，过400目筛即可。
    一种洗煤机筛板用高性能尼龙的制备方法，包括以下步骤：
    （1）按配方配比将各原料放入高速混合机中，在常温下1000rpm搅拌10min，混合均匀，
    （2）将混合料加入平行双螺杆挤出机进行熔融共混挤出造粒，共混挤出温度为270-290℃，螺杆转速为250-350rpm，所得颗粒经105℃鼓风干燥8h，包装即可。
     经检验，该尼龙材料的主要性能如下：拉伸强度 72MPa，弯曲强度98MPa，弯曲模量1976MPa，吸水率0.8%，成型收缩率1.2%，缺口冲击强度41KJ/m2。

Claims (2)

1.一种洗煤机筛板用高性能尼龙，其特征在于，由以下重量份的原料制成：尼龙66 50-60、聚甲醛 20-30、聚四氟乙烯10-15、乙烯-丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物 15-20、过氧化二异丙苯2-4、硬脂酸锌1-2、硬脂酸钙1-2、季戊四醇硬脂酸酯2-3、顺丁烯二酸二丁酯5-10、癸二酸二辛酯10-15、氢氧化镁8-12、硼酸锌5-10、活性碳酸钙10-15、复合填料4-8、抗氧剂1010 1-2、抗氧剂DLTP 1-2；
所述复合填料的制备方法如下：按重量比4-6:2-3:1的比例称取高岭土、橄榄石、电气石混合均匀，640-680℃煅烧2-3h，冷却至室温后加入浓度为10-15%的盐酸溶液中浸泡0.5-1h，取出用蒸馏水洗涤至中性，烘干，820-850℃煅烧1-2h，粉碎，过200-300目筛；过筛后的粉末中加入3-5%的环氧大豆油、2-3%的季戊四醇硬脂酸酯、1-2%的乙烯基三(β-甲氧基乙氧基)硅烷和2-3%的纳米氮化硅，在110-120℃、1000-1500rpm条件下搅拌20-30min，烘干，粉碎，研细，过300-500目筛即可。
2.如权利要求1所述的洗煤机筛板用高性能尼龙的制备方法，其特征在于包括以下步骤：
（1）按配方配比将各原料放入高速混合机中，在常温下800-1000rpm搅拌10-15min，混合均匀；
（2）将混合料加入平行双螺杆挤出机进行熔融共混挤出造粒，共混挤出温度为270-290℃，螺杆转速为250-350rpm，所得颗粒经100-110℃鼓风干燥5-10h，包装即可。
CN201310729160.5A 2013-12-26 2013-12-26 一种洗煤机筛板用高性能尼龙及其制备方法 Pending CN103756307A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104046003A (zh) * 2014-05-19 2014-09-17 安徽安缆模具有限公司 耐低温汽车尼龙复合材料及其制备方法

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US20050059307A1 (en) * 2003-09-11 2005-03-17 Moeseke Marc Van Cut-resistant composite
CN1687185A (zh) * 2005-04-30 2005-10-26 张存海 一种洗煤机用尼龙筛板及其制备方法
CN101343409A (zh) * 2008-08-27 2009-01-14 毛惠敏 一种碳纤维增强复合材料及其制备方法
CN102516789A (zh) * 2011-12-09 2012-06-27 上海锦湖日丽塑料有限公司 可用于温控指示的树脂组合物

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050059307A1 (en) * 2003-09-11 2005-03-17 Moeseke Marc Van Cut-resistant composite
CN1687185A (zh) * 2005-04-30 2005-10-26 张存海 一种洗煤机用尼龙筛板及其制备方法
CN101343409A (zh) * 2008-08-27 2009-01-14 毛惠敏 一种碳纤维增强复合材料及其制备方法
CN102516789A (zh) * 2011-12-09 2012-06-27 上海锦湖日丽塑料有限公司 可用于温控指示的树脂组合物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104046003A (zh) * 2014-05-19 2014-09-17 安徽安缆模具有限公司 耐低温汽车尼龙复合材料及其制备方法

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Application publication date: 20140430