CN111087865A - 水性阻尼涂料 - Google Patents

水性阻尼涂料 Download PDF

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CN111087865A
CN111087865A CN201811242220.XA CN201811242220A CN111087865A CN 111087865 A CN111087865 A CN 111087865A CN 201811242220 A CN201811242220 A CN 201811242220A CN 111087865 A CN111087865 A CN 111087865A
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acrylic emulsion
glass transition
transition temperature
water
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陈潮佐
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Jiangmen Jinqiao New Material Co ltd
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    • C09D133/00—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 at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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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    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • 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
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Abstract

本发明公开了一种水性阻尼涂料。其由如下重量份数的组成分组成：42‑45份的丙烯酸乳液、0.5‑1份的增稠剂、0.3‑0.5份的分散剂、0.3‑0.5份的消泡剂、40‑45份的云母粉、8‑10份的碳酸钙、0.5‑1份的纤维、5‑10份的阻燃剂和4‑6份的附着力促进剂；其中，所述丙烯酸乳液由玻璃化温度为24℃的丙烯酸乳液、玻璃化温度为36℃的丙烯酸乳液和玻璃化温度为‑16℃的丙烯酸乳液混合而成。本发明符合一般水性阻尼涂料的性能要求，并具有很好的附着力以及耐冲击性能，而且在‑10℃‑50℃的温域下能发挥良好的阻尼性能，满足当前市场对水性阻尼材料的应用需求和环保要求。

Description

水性阻尼涂料
技术领域
本发明属于涂料技术领域，具体涉及一种水性阻尼涂料。
背景技术
水性阻尼涂料，是一种具有减振降噪功能的环保涂料，其与吸声材料不同，是一种主动降噪材料，原理是将振动机械能转化为热能耗散掉，即从声(振)源上有效地控制振动和噪声。水性阻尼涂料作为水性涂料的一个分支，具有一般水性涂料的无毒、无异味、VOC含量低、不污染环境等环保性能，目前已在轨道交通、汽车行业、船舶行业、工程机械、机械制造等行业中得到了普遍应用。
发明内容
本发明的目的在于针对现有技术的状况，提供一种性能良好的水性阻尼涂料。
为达到上述目的，本发明采用如下技术方案：
水性阻尼涂料，由如下重量份数的组成分组成：42-45份的丙烯酸乳液、0.5-1份的增稠剂、0.3-0.5份的分散剂、0.3-0.5份的消泡剂、40-45份的云母粉、8-10份的碳酸钙、0.5-1份的纤维、5-10份的阻燃剂和4-6份的附着力促进剂；其中，所述丙烯酸乳液由玻璃化温度为24℃的丙烯酸乳液、玻璃化温度为36℃的丙烯酸乳液和玻璃化温度为-16℃的丙烯酸乳液混合而成。
进一步，所述水性阻尼涂料由如下重量份数的组成分组成：45份的丙烯酸乳液、1份的增稠剂、0.5份的分散剂、0.5份的消泡剂、45份的云母粉、8份的碳酸钙、1份的纤维、8份的阻燃剂和5份的附着力促进剂。
作为优选，所述玻璃化温度为24℃的丙烯酸乳液、玻璃化温度为36℃的丙烯酸乳液和玻璃化温度为-16℃的丙烯酸乳液按1:1:1的重量比例混合。
作为优选，所述增稠剂为聚氨酯缔合型增稠剂。
作为优选，所述云母粉由600目的云母粉与60目的云母粉按2:1的重量比例混合而成。
作为优选，所述纤维为长度约4毫米的聚丙烯合成纤维。
作为优选，所述附着力促进剂为钛酸酯偶联剂或有机磷酸酯聚合物。
本发明所述的水性阻尼涂料，符合一般水性阻尼涂料的性能要求，并具有很好的附着力以及耐冲击性能，而且在-10℃-50℃的温域下能发挥良好的阻尼性能，满足当前市场对水性阻尼材料的应用需求和环保要求。
具体实施方式
以下结合实施例对本发明作进一步详细描述。
一、原料组成分：
1、丙烯酸乳液：本发明所述的丙烯酸乳液是玻璃化温度Tg为24℃的丙烯酸乳液、玻璃化温度为36℃的丙烯酸乳液和玻璃化温度为-16℃的丙烯酸乳液按1:1:1的重量比例混合。三种丙烯酸乳液的固含量分别为：Tg 24℃的为53％；Tg 36℃的为58％；Tg-16℃的为53％。
2、增稠剂采用聚氨酯缔合型增稠剂，市售产品。
3、云母由600目的云母粉与60目的云母粉按2:1的重量比例混合而成，市售产品。
4、纤维采用长度约4毫米的聚丙烯合成纤维，市售。
5、附着力促进剂可采用市售的钛酸酯偶联剂或有机磷酸酯聚合物，本发明实施例优选使用钛酸酯偶联剂。
6、分散剂、消泡剂、碳酸钙和阻燃剂均为市售的水性涂料常用助剂产品。
二、实施例1-3
下述各组成分的含量按重量份计算。
组成分 实施例1 实施例2 实施例3
丙烯酸乳液 42 44 45
增稠剂 0.5 1 1
分散剂 0.3 0.4 0.5
消泡剂 0.3 0.4 0.5
云母粉 40 42 45
碳酸钙 10 9 8
纤维 1 1 1
阻燃剂 8 8 8
钛酸酯偶联剂 5 5 5
实施例1-3的水性阻尼涂料，按现有常规的制备方法制备。
三、实施例1-3的水性阻尼涂料主要性能指标。
主要性能指标见下表：
Figure BDA0001839631310000031

Claims (7)

1.水性阻尼涂料，其特征在于，由如下重量份数的组成分组成：42-45份的丙烯酸乳液、0.5-1份的增稠剂、0.3-0.5份的分散剂、0.3-0.5份的消泡剂、40-45份的云母粉、8-10份的碳酸钙、0.5-1份的纤维、5-10份的阻燃剂和4-6份的附着力促进剂；其中，所述丙烯酸乳液由玻璃化温度为24℃的丙烯酸乳液、玻璃化温度为36℃的丙烯酸乳液和玻璃化温度为-16℃的丙烯酸乳液混合而成。
2.根据权利要求1所述的水性阻尼涂料，其特征在于，由如下重量份数的组成分组成：45份的丙烯酸乳液、1份的增稠剂、0.5份的分散剂、0.5份的消泡剂、45份的云母粉、8份的碳酸钙、1份的纤维、8份的阻燃剂和5份的附着力促进剂。
3.根据权利要求1或2所述的水性阻尼涂料，其特征在于，所述玻璃化温度为24℃的丙烯酸乳液、玻璃化温度为36℃的丙烯酸乳液和玻璃化温度为-16℃的丙烯酸乳液按1:1:1的重量比例混合。
4.据权利要求1或2的水性阻尼涂料，其特征在于，所述增稠剂为聚氨酯缔合型增稠剂。
5.据权利要求1或2所述的水性阻尼涂料，其特征在于，所述云母粉由600目的云母粉与60目的云母粉按2:1的重量比例混合而成。
6.据权利要求1或2所述的水性阻尼涂料，其特征在于，所述纤维为长度约4毫米的聚丙烯合成纤维。
7.据权利要求1或2所述的水性阻尼涂料，其特征在于，所述附着力促进剂为钛酸酯偶联剂或有机磷酸酯聚合物。
CN201811242220.XA 2018-10-24 2018-10-24 水性阻尼涂料 Pending CN111087865A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112552764A (zh) * 2020-12-09 2021-03-26 山东北方现代化学工业有限公司 一种环保型隔热阻尼涂料及其制备方法
CN113136122A (zh) * 2021-03-25 2021-07-20 江苏朝晖化工有限公司 含有压电陶瓷纤维的吸声阻尼涂料及其制备方法
CN114395300A (zh) * 2022-02-28 2022-04-26 扬州一诺新材料有限公司 一种铝制板材用水性降噪涂料及其制备方法
CN116179036A (zh) * 2023-03-23 2023-05-30 青岛爱尔家佳新材料股份有限公司 一种防火降噪的轨道交通车辆用水性复合涂层

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112552764A (zh) * 2020-12-09 2021-03-26 山东北方现代化学工业有限公司 一种环保型隔热阻尼涂料及其制备方法
CN113136122A (zh) * 2021-03-25 2021-07-20 江苏朝晖化工有限公司 含有压电陶瓷纤维的吸声阻尼涂料及其制备方法
CN114395300A (zh) * 2022-02-28 2022-04-26 扬州一诺新材料有限公司 一种铝制板材用水性降噪涂料及其制备方法
CN116179036A (zh) * 2023-03-23 2023-05-30 青岛爱尔家佳新材料股份有限公司 一种防火降噪的轨道交通车辆用水性复合涂层
CN116179036B (zh) * 2023-03-23 2024-03-12 青岛爱尔家佳新材料股份有限公司 一种防火降噪的轨道交通车辆用水性复合涂层

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