CN103672204B - 一种复合管材的制备方法 - Google Patents

一种复合管材的制备方法 Download PDF

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CN103672204B
CN103672204B CN201310643623.6A CN201310643623A CN103672204B CN 103672204 B CN103672204 B CN 103672204B CN 201310643623 A CN201310643623 A CN 201310643623A CN 103672204 B CN103672204 B CN 103672204B
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tackiness agent
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朱华明
陈德明
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Jiangsu Jinbo New Materials Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/14Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F16L9/147Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J121/00Adhesives based on unspecified rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2409/00Presence of diene rubber
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2421/00Presence of unspecified rubber
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2493/00Presence of natural resin
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2495/00Presence of bitume

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  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
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Abstract

本发明公开了一种<b>复合管材的</b>制备方法,首先将钢管外表面进行喷砂除锈,在钢管外表面均匀涂覆一层粘合剂,然后将涂过粘合剂的钢管在室温下干燥,再在钢管外包覆一层超高分子量聚乙烯层,粘合剂由生胶、丁苯橡胶、硅溶胶、耐火泥、沥青、松香、二氧化硅、氧化锌、水及二乙烯三胺组成,本发明具有较好的耐紫外线和核辐射性、柔韧性及优良的耐磨、耐久性。该粘合剂混溶性好,常温自干,无毒无味,附着力强。

Description

一种复合管材的制备方法
技术领域
本发明涉及一种粘合剂,特别涉及复合管材用的粘合剂,属于管材技术领域。
背景技术
目前国内众多输送机械行业所用的托辊有钢管、尼龙管、钢外覆橡胶管、钢外套PE管等种类,单纯使用钢管做托辊存在易生锈、摩擦阻力大和对输送带磨损严重等缺陷;而使用尼龙管做托辊,生产长度只能在500mm之内,一旦加长则不能承载较大的负荷;钢管外覆橡胶虽然弹性较好,但同样存在摩擦阻力大的缺陷;而使用钢管外套聚乙烯管材,尽管在装配时可采用过盈配合使钢管与外套的聚乙烯管之间减少间隙,但由于在运行过程中经过摩擦后会产生一定的热量,而聚乙烯套管在受热后外径膨胀,从而出现打滑现象,使用寿命受到一定的影响。为了解决粘合问题,现有技术中采用增加粘合剂的方法,但由于管材使用环境具有较大的腐蚀性且特别在寒冷的北方,使用一段时间后仍然脱落。
发明内容
本发明的目的在于克服现有技术中的缺陷,提供一种复合管材的制备方法,该复合管材的制备方法操作方便,且该方法加工的管材具有较好的耐候性,且粘合性好。
本发明是通过以下技术方案予以实现的:
一种复合管材的制备方法,步骤如下:首先将钢管外表面进行喷砂除锈,将钢管外表面清洁干净,干燥45小时,在钢管外表面均匀涂覆一层粘合剂,然后将涂过粘合剂的钢管在室温下干燥20-30分钟,再将钢管插入模具中,开启挤出机在钢管外包覆一层超高分子量聚乙烯层,所述粘合剂,由下列成分组成,按重量份计:
生胶90-100份
丁苯橡胶5~13份
硅溶胶15-20份
耐火泥20份
沥青10份
松香10份
二氧化硅5~30
氧化锌5-10份
水40-60份
二乙烯三胺20-30份。
上述的复合管材的制备方法,其中,粘合剂优选下列成分组成:
生胶100份
丁苯橡胶10份
硅溶胶20份
耐火泥20份
沥青10份
松香10份
二氧化硅20份
氧化锌5份
水60份
二乙烯三胺25份。
上述的复合管材的制备方法,其中,所述超高分子量聚乙烯层的厚度为8-12mm。
上述的复合管材的制备方法,其中,干燥温度为25℃。
本发明所述方法由于采用在钢管外表面均匀涂覆一层粘合剂,然后在钢管外再挤出包覆一层超高分子量聚乙烯层的方法,使得超高分子量聚乙烯和钢管紧密结合,从而不会出现打滑剥离现象,大大延长了管材的使用寿命。所述方法制备出的复合管材具有耐磨、不易剥离和抗冲击强度高等特性,且使管材具备了较高的承压能力;且该防腐树脂具有较好的防腐性能,从而,大大提高了本管材的使用寿命。
具体实施方式
以下通过具体实施例对本发明作进一步详细的说明。
实施例1
一种复合管材的制备方法,制备方法如下:首先将钢管外表面进行喷砂除锈,将钢管外表面清洁干净,干燥45小时,在钢管外表面均匀涂覆一层粘合剂,然后将涂过粘合剂的钢管在室温下干燥20-30分钟,再将钢管插入模具中,开启挤出机在钢管外包覆一层超高分子量聚乙烯层,挤出机的各区加热温度依次为165℃、170℃、170℃、175℃、180℃、190℃,模口温度为185-190℃,挤出机主机转速为400r/min,最后经水箱冷却即可;按重量份计,粘合剂由生胶90份、丁苯橡胶5份、硅溶胶15份、耐火泥20份、沥青10份、松香10份、二氧化硅5份、氧化锌5份、水40份和二乙烯三胺20份组成。超高分子量聚乙烯层的厚度为8mm。
16小时表面磨耗率<0.17%
室温时的剥离强度>45MPa
80℃时的剥离强度>36MPa
-120℃时的剥离强度>34MPa
悬臂梁冲击强度≥20KJ/m2
实施例2
一种复合管材的制备方法,制备方法如下:首先将钢管外表面进行喷砂除锈,将钢管外表面清洁干净,干燥45小时,在钢管外表面均匀涂覆一层粘合剂,然后将涂过粘合剂的钢管在室温下干燥20-30分钟,再将钢管插入模具中,开启挤出机在钢管外包覆一层超高分子量聚乙烯层,挤出机的各区加热温度依次为165℃、170℃、170℃、175℃、180℃、190℃,模口温度为185-190℃,挤出机主机转速为430r/min,最后经水箱冷却即可;按重量份计,粘合剂由生胶100份、丁苯橡胶10份、硅溶胶20份、耐火泥20份、沥青10份、松香10份、二氧化硅20份、氧化锌5份、水60份、二乙烯三胺25份。超高分子量聚乙烯层的厚度为10mm。
16小时表面磨耗率<0.17%
室温时的剥离强度>65MPa
80℃时的剥离强度>46MPa
-120℃时的剥离强度>54MPa
悬臂梁冲击强度≥20KJ/m2
这里本发明的描述和应用是说明性的,并非想将本发明的范围限制在上述实施例中,因此,本发明不受本实施例的限制,任何采用等效替换取得的技术方案均在本发明保护的范围内。

Claims (2)

1.一种复合管材的制备方法,其特征在于,制备方法如下:首先将钢管外表面进行喷砂除锈,将钢管外表面清洁干净,干燥45小时,在钢管外表面均匀涂覆一层粘合剂,然后将涂过粘合剂的钢管在室温下干燥20-30分钟,再将钢管插入模具中,开启挤出机在钢管外包覆一层超高分子量聚乙烯层,挤出机的各区加热温度依次为165℃、170℃、170℃、175℃、180℃、190℃,模口温度为185-190℃,挤出机主机转速为400r/min,最后经水箱冷却即可;按重量份计,粘合剂由生胶90份、丁苯橡胶5份、硅溶胶15份、耐火泥20份、沥青10份、松香10份、二氧化硅5份、氧化锌5份、水40份和二乙烯三胺20份组成;超高分子量聚乙烯层的厚度为8mm。
2.一种复合管材的制备方法,其特征在于,制备方法如下:首先将钢管外表面进行喷砂除锈,将钢管外表面清洁干净,干燥45小时,在钢管外表面均匀涂覆一层粘合剂,然后将涂过粘合剂的钢管在室温下干燥20-30分钟,再将钢管插入模具中,开启挤出机在钢管外包覆一层超高分子量聚乙烯层,挤出机的各区加热温度依次为165℃、170℃、170℃、175℃、180℃、190℃,模口温度为185-190℃,挤出机主机转速为400r/min,最后经水箱冷却即可;按重量份计,粘合剂由生胶100份、丁苯橡胶10份、硅溶胶20份、耐火泥20份、沥青10份、松香10份、二氧化硅20份、氧化锌5份、水60份、二乙烯三胺25份;超高分子量聚乙烯层的厚度为10mm。
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