CN110256922A - 乳胶封闭剂及其制备方法 - Google Patents

乳胶封闭剂及其制备方法 Download PDF

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CN110256922A
CN110256922A CN201910569036.4A CN201910569036A CN110256922A CN 110256922 A CN110256922 A CN 110256922A CN 201910569036 A CN201910569036 A CN 201910569036A CN 110256922 A CN110256922 A CN 110256922A
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范文学
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Anhui Ding Wang Environmental Protection Mstar Technology Ltd
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    • C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
    • C09D143/04—Homopolymers or copolymers of monomers containing silicon
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    • 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
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    • 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
    • C09D7/63—Additives non-macromolecular organic
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/65—Additives macromolecular
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    • C—CHEMISTRY; METALLURGY
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    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

本发明公开了一种乳胶封闭剂，由以下重量份原料制成：纳米硅丙乳液200‑300、可分散乳胶40‑50、水溶性聚氨酯35‑45、纳米二氧化硅22‑24、水溶性环氧成膜树脂18‑20、乙二醇45‑55、硅酸钠20‑25、聚四氟乙烯乳液80‑90、甲基纤维素8‑10、二羟甲基丁酸3‑5、乳化硅油18‑20、磷酸二氢钠6‑8、水400‑500。本发明的封闭剂采用可分散乳胶、纳米硅丙乳液、聚四氟乙烯乳液配合，在钝化剂的外部生成一层乳胶膜，其耐刮伤和划伤性好，耐油性和耐腐蚀性好，有助于金属的防腐蚀。

Description

乳胶封闭剂及其制备方法
技术领域
本发明涉及金属防腐蚀技术领域，尤其涉及一种乳胶封闭剂及其制备方法。
背景技术
为了提高金属制件的耐蚀性，通常在其表面进行镀锌处理。对于镀锌层来说，锌属于较活泼的金属，它与酸性物质、碱性物质都很易发生化学反应，所以镀锌后如果不采取钝化处理措施，它将很快发生化学变色、破坏、腐蚀等现象。为了进一步提高镀层防腐蚀性能和装饰性，传统采用静电粉末喷涂和高污染环境的涂刷油漆等工艺，但以上工艺长久使用后喷涂膜和油漆层容易脱落。为了进一步提高镀层防腐蚀性能和装饰性，镀层必须进行钝化处理，以生产一层耐蚀性高、装饰性好的钝化膜。由于钝化膜容易和空气中的氧气发生反应，因此通常在钝化膜的外部涂覆一层封闭剂。现有封闭剂封闭效果差，极易被刮伤或划伤。如何设计一种乳胶封闭剂及其制备方法是本发明所要解决的技术问题。
发明内容
本发明针对现有技术的不足，提供一种乳胶封闭剂及其制备方法。
本发明通过以下技术手段实现解决上述技术问题的：
一种乳胶封闭剂，由以下重量份原料制成：纳米硅丙乳液200-300、可分散乳胶40-50、水溶性聚氨酯35-45、纳米二氧化硅22-24、水溶性环氧成膜树脂18-20、乙二醇45-55、硅酸钠20-25、聚四氟乙烯乳液80-90、甲基纤维素8-10、二羟甲基丁酸3-5、乳化硅油18-20、磷酸二氢钠6-8、水400-500。
一种乳胶封闭剂的制备方法，包括以下步骤：
S1、将水加热至55-65℃，加入纳米硅丙乳液、可分散乳胶、聚四氟乙烯乳液，搅拌30-40min；
S2、加入乙二醇、二羟甲基丁酸、乳化硅油，搅拌35-45min，保温1-2h；
S3、加入水溶性聚氨酯、水溶性环氧成膜树脂、硅酸钠、磷酸二氢钠，搅拌30-40min；
S4、加入纳米二氧化硅、甲基纤维素，搅拌30-40min，即得乳胶封闭剂。
优选的，步骤S1、S2、S3、S4中，搅拌速度为30-50r/min。
本发明的优点在于：本发明的封闭剂采用可分散乳胶、纳米硅丙乳液、聚四氟乙烯乳液配合，在钝化剂的外部生成一层乳胶膜，其耐刮伤和划伤性好，耐油性和耐腐蚀性好，有助于金属的防腐蚀。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1，一种乳胶封闭剂，由以下重量份(kg)原料制成：纳米硅丙乳液250、可分散乳胶45、水溶性聚氨酯40、纳米二氧化硅23、水溶性环氧成膜树脂19、乙二醇50、硅酸钠22、聚四氟乙烯乳液85、甲基纤维素9、二羟甲基丁酸4、乳化硅油19、磷酸二氢钠7、水450。
一种乳胶封闭剂的制备方法，包括以下步骤：
S1、将水加热至60℃，加入纳米硅丙乳液、可分散乳胶、聚四氟乙烯乳液，搅拌35min；
S2、加入乙二醇、二羟甲基丁酸、乳化硅油，搅拌40min，保温1.5h；
S3、加入水溶性聚氨酯、水溶性环氧成膜树脂、硅酸钠、磷酸二氢钠，搅拌35min；
S4、加入纳米二氧化硅、甲基纤维素，搅拌35min，即得乳胶封闭剂。
优选的，步骤S1、S2、S3、S4中，搅拌速度为40r/min。
参照有关国家标准，对本发明的乳胶封闭剂的基本技术性能指标进行测定，测试结果如下表所示：
需要说明的是，在本文中，如若存在第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (3)

1.一种乳胶封闭剂，其特征在于，由以下重量份原料制成：纳米硅丙乳液200-300、可分散乳胶40-50、水溶性聚氨酯35-45、纳米二氧化硅22-24、水溶性环氧成膜树脂18-20、乙二醇45-55、硅酸钠20-25、聚四氟乙烯乳液80-90、甲基纤维素8-10、二羟甲基丁酸3-5、乳化硅油18-20、磷酸二氢钠6-8、水400-500。
2.一种如权利要求1所述乳胶封闭剂的制备方法，其特征在于，包括以下步骤：
S1、将水加热至55-65℃，加入纳米硅丙乳液、可分散乳胶、聚四氟乙烯乳液，搅拌30-40min；
S2、加入乙二醇、二羟甲基丁酸、乳化硅油，搅拌35-45min，保温1-2h；
S3、加入水溶性聚氨酯、水溶性环氧成膜树脂、硅酸钠、磷酸二氢钠，搅拌30-40min；
S4、加入纳米二氧化硅、甲基纤维素，搅拌30-40min，即得乳胶封闭剂。
3.根据权利要求2所述的一种如权利要求1所述乳胶封闭剂的制备方法，其特征在于：步骤S1、S2、S3、S4中，搅拌速度为30-50r/min。
CN201910569036.4A 2019-06-27 2019-06-27 乳胶封闭剂及其制备方法 Withdrawn CN110256922A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111534206A (zh) * 2020-05-28 2020-08-14 中山市珍视新材料科技有限公司 一种环保金属工件表面防锈封闭剂及其制备方法
CN111875997A (zh) * 2020-07-29 2020-11-03 济南东方结晶器有限公司 提高镀铬层耐磨及耐腐蚀的微凝灰岩聚合物封孔涂覆剂

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JPH11106681A (ja) * 1997-10-06 1999-04-20 Sunstar Eng Inc 珪藻土質部材の表面保護法
CN103360840A (zh) * 2012-03-31 2013-10-23 攀钢集团攀枝花钢铁研究院有限公司 一种金属防护涂料及其用途和热镀金属材料
CN103360918A (zh) * 2012-03-31 2013-10-23 攀钢集团攀枝花钢铁研究院有限公司 一种金属防护涂料及其用途和热镀金属材料
CN105670480A (zh) * 2016-03-31 2016-06-15 广州超邦化工有限公司 锌镍合金镀层及镀锌层纳米改性封闭剂及其制备、使用方法
CN106590432A (zh) * 2016-12-27 2017-04-26 国网江苏省电力公司经济技术研究院 一种冷喷锌表面封闭剂及其制备方法
CN108276811A (zh) * 2017-12-11 2018-07-13 安徽开林新材料股份有限公司 一种水性镀锌封闭剂及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11106681A (ja) * 1997-10-06 1999-04-20 Sunstar Eng Inc 珪藻土質部材の表面保護法
CN103360840A (zh) * 2012-03-31 2013-10-23 攀钢集团攀枝花钢铁研究院有限公司 一种金属防护涂料及其用途和热镀金属材料
CN103360918A (zh) * 2012-03-31 2013-10-23 攀钢集团攀枝花钢铁研究院有限公司 一种金属防护涂料及其用途和热镀金属材料
CN105670480A (zh) * 2016-03-31 2016-06-15 广州超邦化工有限公司 锌镍合金镀层及镀锌层纳米改性封闭剂及其制备、使用方法
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CN108276811A (zh) * 2017-12-11 2018-07-13 安徽开林新材料股份有限公司 一种水性镀锌封闭剂及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111534206A (zh) * 2020-05-28 2020-08-14 中山市珍视新材料科技有限公司 一种环保金属工件表面防锈封闭剂及其制备方法
CN111875997A (zh) * 2020-07-29 2020-11-03 济南东方结晶器有限公司 提高镀铬层耐磨及耐腐蚀的微凝灰岩聚合物封孔涂覆剂

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