CN106247032A - 一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法 - Google Patents

一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法 Download PDF

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CN106247032A
CN106247032A CN201610718605.3A CN201610718605A CN106247032A CN 106247032 A CN106247032 A CN 106247032A CN 201610718605 A CN201610718605 A CN 201610718605A CN 106247032 A CN106247032 A CN 106247032A
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姜爱荣
仇祥桂
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JIANGSU CHANGFENG CORRUGATED PIPE Co Ltd
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

本发明公开了一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法，该波纹管由内而外依次为聚氯乙烯内管、成型钢带和聚氯乙烯外管，所述聚氯乙烯内管和聚氯乙烯外管由如下重量份的原料组成：聚氯乙烯85‑95份，聚乙烯10‑16份，聚氧化乙烯6‑10份，聚对苯二甲酸丁二酯8‑12份,双十二碳醇酯4‑8份，烃基磷酸3‑9份，氢氧化铝2‑6份，碳酸钙粉剂4‑6份，醋酸钙1‑2份，磷酸二氢钾3‑5份。本发明的钢带增强型聚氯乙烯螺旋波纹管的内外管采用科学的原料配方和工艺制程，内部钢带也经过了特殊处理，整个波纹管结构更加致密，具有较高的机械强度和韧性，长期使用不会发生破损，使用寿命较长。

Description

一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法
技术领域
本发明涉及一种波纹管，更确切地说，是一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法。
背景技术
由于钢带增强型聚乙烯螺旋波纹管具有高刚度、高强度及耐腐蚀、耐磨损和柔韧性强等特点，因此，其作为一种高性价比的钢塑符合管被广泛应用于排水领域。但是目前普遍使用的钢带增强型聚乙烯螺旋波纹管的管材机械强度不佳且管体易破裂，使用寿命较短。
发明内容
本发明主要是解决现有技术所存在的技术问题，从而提供一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法。
本发明的上述技术问题主要是通过下述技术方案得以解决的：
一种钢带增强型聚氯乙烯螺旋波纹管，该波纹管由内而外依次为聚氯乙烯内管、成型钢带和聚氯乙烯外管，所述聚氯乙烯内管和聚氯乙烯外管由如下重量份的原料组成：聚氯乙烯85-95份，聚乙烯10-16份，聚氧化乙烯6-10份，聚对苯二甲酸丁二酯8-12份, 双十二碳醇酯4-8份，烃基磷酸3-9份，氢氧化铝2-6份，碳酸钙粉剂4-6份，醋酸钙1-2份，磷酸二氢钾3-5份。
本发明还公开了一种该钢带增强型聚氯乙烯螺旋波纹管的制备方法，包括以下步骤：
首先，将用于制备内外管的原料加入混合机搅拌均匀，然后送入密炼机，温度控制在110-120℃，密炼时间40-60分钟，然后送入双螺杆挤出机中在130-140℃条件下挤出造粒；
然后，将所得母粒放入5-8%的醋酸溶液中浸泡30-40分钟，捞出后干燥，再将母粒加入管材成型机按照要求对管道进行定径、牵引、冷却定型制成聚氯乙烯内管和外管，在成品内外管表面喷涂石蜡后备用；
然后，将钢带原料加热到700-750℃，保持3-6分钟后放入沸腾的盐水中，浸泡10-15分钟后放入冷水中冷却并取出风干，再对钢带进行毛化、涂塑处理，将粘接树脂均匀涂布在钢带的内外表面；
最后，利用热熔接技术将钢带缠绕在内、外两层聚氯乙烯管之间，完成内层、涂塑钢带、外层的粘接复合，经过冷却定型、计长切割、成品检验后完成成品入库。
本发明的钢带增强型聚氯乙烯螺旋波纹管的内外管采用科学的原料配方和工艺制程，内部钢带也经过了特殊处理，整个波纹管结构更加致密，具有较高的机械强度和韧性，长期使用不会发生破损，使用寿命较长。
具体实施方式
下面对本发明的优选实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
[实施例1]
按重量份取聚氯乙烯85份，聚乙烯10份，聚氧化乙烯6份，聚对苯二甲酸丁二酯8份, 双十二碳醇酯4份，烃基磷酸3份，氢氧化铝2份，碳酸钙粉剂4份，醋酸钙1份，磷酸二氢钾3份。
将所取原料加入混合机搅拌均匀，然后送入密炼机，温度控制在110℃，密炼时间60分钟，然后送入双螺杆挤出机中在130℃条件下挤出造粒。
将所得母粒放入5%的醋酸溶液中浸泡40分钟，捞出后干燥，再将母粒加入管材成型机按照要求对管道进行定径、牵引、冷却定型制成聚氯乙烯内管和外管，在成品内外管表面喷涂石蜡后备用。
将钢带原料加热到700℃，保持6分钟后放入沸腾的盐水中，浸泡10分钟后放入冷水中冷却并取出风干，再对钢带进行毛化、涂塑处理，将粘接树脂均匀涂布在钢带的内外表面。
最后，利用热熔接技术将钢带缠绕在内、外两层聚氯乙烯管之间，完成内层、涂塑钢带、外层的粘接复合，经过冷却定型、计长切割、成品检验后制成成品T1 。
[实施例2]
按重量份取聚氯乙烯95份，聚乙烯16份，聚氧化乙烯10份，聚对苯二甲酸丁二酯12份,双十二碳醇酯8份，烃基磷酸9份，氢氧化铝6份，碳酸钙粉剂6份，醋酸钙2份，磷酸二氢钾5份。
将所取原料加入混合机搅拌均匀，然后送入密炼机，温度控制在120℃，密炼时间40分钟，然后送入双螺杆挤出机中在140℃条件下挤出造粒。
将所得母粒放入8%的醋酸溶液中浸泡30分钟，捞出后干燥，再将母粒加入管材成型机按照要求对管道进行定径、牵引、冷却定型制成聚氯乙烯内管和外管，在成品内外管表面喷涂石蜡后备用。
将钢带原料加热到750℃，保持3分钟后放入沸腾的盐水中，浸泡15分钟后放入冷水中冷却并取出风干，再对钢带进行毛化、涂塑处理，将粘接树脂均匀涂布在钢带的内外表面。
最后，利用热熔接技术将钢带缠绕在内、外两层聚氯乙烯管之间，完成内层、涂塑钢带、外层的粘接复合，经过冷却定型、计长切割、成品检验后制成成品T2 。
[实施例3]
按重量份取聚氯乙烯90份，聚乙烯13份，聚氧化乙烯8份，聚对苯二甲酸丁二酯10份,双十二碳醇酯6份，烃基磷酸6份，氢氧化铝4份，碳酸钙粉剂5份，醋酸钙1.5份，磷酸二氢钾4份。
将所取原料加入混合机搅拌均匀，然后送入密炼机，温度控制在115℃，密炼时间50分钟，然后送入双螺杆挤出机中在135℃条件下挤出造粒。
将所得母粒放入6.5%的醋酸溶液中浸泡35分钟，捞出后干燥，再将母粒加入管材成型机按照要求对管道进行定径、牵引、冷却定型制成聚氯乙烯内管和外管，在成品内外管表面喷涂石蜡后备用。
将钢带原料加热到730℃，保持4.5分钟后放入沸腾的盐水中，浸泡12.5分钟后放入冷水中冷却并取出风干，再对钢带进行毛化、涂塑处理，将粘接树脂均匀涂布在钢带的内外表面。
最后，利用热熔接技术将钢带缠绕在内、外两层聚氯乙烯管之间，完成内层、涂塑钢带、外层的粘接复合，经过冷却定型、计长切割、成品检验后制成成品T3 。
[性能测试]
将实施例1-3制得的钢带增强型聚氯乙烯螺旋波纹管进行性能测试，结果如下表：
测试项目 T1 T2 T3
环刚度，KN/ ㎡ 10.4 10.8 10.6
拉伸强度，N 1947 1922 1936
剥离强度(25℃ )，N/cm 102 104 103
缺口冲击强度，KJ/ ㎡ 28.2 27.8 26.1
蠕变比率 1.3 1.4 1.3
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (2)

1.一种钢带增强型聚氯乙烯螺旋波纹管，其特征在于,该波纹管由内而外依次为聚氯乙烯内管、成型钢带和聚氯乙烯外管，所述聚氯乙烯内管和聚氯乙烯外管由如下重量份的原料组成：聚氯乙烯85-95份，聚乙烯10-16份，聚氧化乙烯6-10份，聚对苯二甲酸丁二酯8-12份, 双十二碳醇酯4-8份，烃基磷酸3-9份，氢氧化铝2-6份，碳酸钙粉剂4-6份，醋酸钙1-2份，磷酸二氢钾3-5份。
2.一种如权利要求1所述的钢带增强型聚氯乙烯螺旋波纹管的制备方法，其特征在于，包括以下步骤：
首先，将用于制备内外管的原料加入混合机搅拌均匀，然后送入密炼机，温度控制在110-120℃，密炼时间40-60分钟，然后送入双螺杆挤出机中在130-140℃条件下挤出造粒；
然后，将所得母粒放入5-8%的醋酸溶液中浸泡30-40分钟，捞出后干燥，再将母粒加入管材成型机按照要求对管道进行定径、牵引、冷却定型制成聚氯乙烯内管和外管，在成品内外管表面喷涂石蜡后备用；
然后，将钢带原料加热到700-750℃，保持3-6分钟后放入沸腾的盐水中，浸泡10-15分钟后放入冷水中冷却并取出风干，再对钢带进行毛化、涂塑处理，将粘接树脂均匀涂布在钢带的内外表面；
最后，利用热熔接技术将钢带缠绕在内、外两层聚氯乙烯管之间，完成内层、涂塑钢带、外层的粘接复合，经过冷却定型、计长切割、成品检验后完成成品入库。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109096569A (zh) * 2017-06-20 2018-12-28 贵州同益塑料制品有限公司 一种钢带波纹管的制备方法

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Application publication date: 20161221