CN106752640A - 一种天然气管道内壁涂料配方 - Google Patents

一种天然气管道内壁涂料配方 Download PDF

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Publication number
CN106752640A
CN106752640A CN201611038389.4A CN201611038389A CN106752640A CN 106752640 A CN106752640 A CN 106752640A CN 201611038389 A CN201611038389 A CN 201611038389A CN 106752640 A CN106752640 A CN 106752640A
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natural gas
gas pipeline
corrosion
coating material
pipeline inner
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CN201611038389.4A
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刘锋
刘一锋
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/106—Anti-corrosive paints containing metal dust containing Zn
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

本发明公开了一种天然气管道内壁涂料配方，涉及能源设备领域，该天然气管道内壁涂料配方采用醇溶性酚醛树脂、环氧树脂、铅酸钙、硫酸铜、锌粉为原料制造而成。醇溶性酚醛树脂和环氧树脂位移在天然气管道内壁形成耐腐蚀保护膜，铅酸钙可以与油性类成膜物反应可生成金属皂，金属皂与水接触后，其分解物可起到缓蚀作用。硫酸铜为去极化剂，降级阴极电位，增加阳极电位，则阴阳腐蚀驱动力将减小，减小金属制造管道的电化学腐蚀，提高管道使用寿命。锌降级了阴极电位，增加阳极电位，则阴阳腐蚀驱动力将减小，减小金属制造管道的电化学腐蚀。

Description

一种天然气管道内壁涂料配方
技术领域
本发明涉及能源设备领域，更具体地说，本发明涉及一种天然气管道内壁涂料配方。
背景技术
天然气输送管道大多采用钢制，输送的天然气中可能含有水、硫化氢、二氧化碳、氧、硫化物或其它腐蚀性化合物。水在管道内壁生成一层亲水膜，形成了原电池腐蚀的条件，产生电化学腐蚀。腐蚀性化合物直接与金属起反应，引起化学腐蚀。现有的能源管道涂料耐电化学腐蚀能力一般，导致管道寿命不够长，增加了能源输送成本。
发明内容
本发明所要解决的问题是提供一种天然气管道内壁涂料配方。
为了实现上述目的，本发明采取的技术方案为：一种天然气管道内壁涂料配方，其特征在于，该天然气管道内壁涂料配方包括如下质量份数的原料：38～45份醇溶性酚醛树脂、27～32份环氧树脂、3～6份铅酸钙、2～5份硫酸铜、3～7份锌粉。
有益效果：该天然气管道内壁涂料配方采用醇溶性酚醛树脂、环氧树脂、铅酸钙、硫酸铜、锌粉为原料制造而成。醇溶性酚醛树脂和环氧树脂位移在天然气管道内壁形成耐腐蚀保护膜，铅酸钙可以与油性类成膜物反应可生成金属皂，金属皂与水接触后，其分解物可起到缓蚀作用。硫酸铜为去极化剂，降级阴极电位，增加阳极电位，则阴阳腐蚀驱动力将减小，减小金属制造管道的电化学腐蚀，提高管道使用寿命。锌降级了阴极电位，增加阳极电位，则阴阳腐蚀驱动力将减小，减小金属制造管道的电化学腐蚀。
具体实施方式
实施例1：
该天然气管道内壁涂料配方包括如下质量份数的原料：38份醇溶性酚醛树脂、32份环氧树脂、6份铅酸钙、5份硫酸铜、7份锌粉。
实施例2：
该天然气管道内壁涂料配方包括如下质量份数的原料：41份醇溶性酚醛树脂、29份环氧树脂、5份铅酸钙、3份硫酸铜、5份锌粉。
实施例3：
该天然气管道内壁涂料配方包括如下质量份数的原料： 45份醇溶性酚醛树脂、27份环氧树脂、3份铅酸钙、2份硫酸铜、3份锌粉。
该天然气管道内壁涂料配方采用醇溶性酚醛树脂、环氧树脂、铅酸钙、硫酸铜、锌粉为原料制造而成。醇溶性酚醛树脂和环氧树脂位移在天然气管道内壁形成耐腐蚀保护膜，铅酸钙可以与油性类成膜物反应可生成金属皂，金属皂与水接触后，其分解物可起到缓蚀作用。硫酸铜为去极化剂，降级阴极电位，增加阳极电位，则阴阳腐蚀驱动力将减小，减小金属制造管道的电化学腐蚀，提高管道使用寿命。锌降级了阴极电位，增加阳极电位，则阴阳腐蚀驱动力将减小，减小金属制造管道的电化学腐蚀。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及实施方式内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (1)

1.一种天然气管道内壁涂料配方，其特征在于，该天然气管道内壁涂料配方包括如下质量份数的原料：38～45份醇溶性酚醛树脂、27～32份环氧树脂、3～6份铅酸钙、2～5份硫酸铜、3～7份锌粉。
CN201611038389.4A 2016-11-23 2016-11-23 一种天然气管道内壁涂料配方 Pending CN106752640A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107560973A (zh) * 2017-10-16 2018-01-09 杨贵莹 一种抽样检验天然气密度的装置及方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
US20070293614A1 (en) * 2006-06-15 2007-12-20 Zhou Wenjing J Powder coating composition for pipe coating
CN102634265A (zh) * 2012-04-25 2012-08-15 厦门大学 一种具有双防腐蚀功能的船舶重防腐涂料及其制备方法
CN102850918A (zh) * 2012-09-14 2013-01-02 虞海香 一种钢铁表面防腐涂料
CN104119770A (zh) * 2014-06-27 2014-10-29 南京屏湖粉末材料有限公司 一种防腐环氧树脂粉末涂料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070293614A1 (en) * 2006-06-15 2007-12-20 Zhou Wenjing J Powder coating composition for pipe coating
CN102634265A (zh) * 2012-04-25 2012-08-15 厦门大学 一种具有双防腐蚀功能的船舶重防腐涂料及其制备方法
CN102850918A (zh) * 2012-09-14 2013-01-02 虞海香 一种钢铁表面防腐涂料
CN104119770A (zh) * 2014-06-27 2014-10-29 南京屏湖粉末材料有限公司 一种防腐环氧树脂粉末涂料

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107560973A (zh) * 2017-10-16 2018-01-09 杨贵莹 一种抽样检验天然气密度的装置及方法

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