CN110183951A - 一种水性丙烯酸聚氨酯面漆及其制备方法 - Google Patents
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- 239000003973 paint Substances 0.000 title claims abstract description 22
- 239000004814 polyurethane Substances 0.000 title claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims abstract description 7
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 6
- 239000000049 pigment Substances 0.000 claims abstract description 6
- 238000005299 abrasion Methods 0.000 claims abstract description 4
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 4
- 239000006229 carbon black Substances 0.000 claims abstract description 4
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 230000000855 fungicidal effect Effects 0.000 claims abstract description 4
- 239000000417 fungicide Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000006096 absorbing agent Substances 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 3
- 230000003679 aging effect Effects 0.000 abstract description 2
- 239000008367 deionised water Substances 0.000 abstract 1
- 229910021641 deionized water Inorganic materials 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000013618 yogurt Nutrition 0.000 description 1
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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
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- C—CHEMISTRY; METALLURGY
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Abstract
本发明公开了一种水性丙烯酸聚氨酯面漆，其由A组分和B组分组成，B组分为固化剂；所述A组分按质量份数，由以下组分组成：水性丙烯酸乳液55～65份、颜料13～20份、耐磨粉5～10份、白炭黑0.2～0.8份、分散剂2～5份、消泡剂0.3～0.6份、杀菌剂0.1～0.5份、附着力促进剂0.2～1.5份、流平剂0.1～0.5份、抗沾污剂1～2.5份、紫外线吸收剂0.5～3份、去离子水5～15份；利用附着力促进剂来加强水性涂料的附着力性能；针对气候环境的变化，可以加入紫外线吸收剂，来增强耐气候的老化性能，比目前的水性实色面漆更耐黄变、不易失光失色；本发明的涂料还具有抗沾污的性能，当物件表面有灰尘等等污物，用水冲一下，灰尘等污物会随着水珠流掉，物件恢复光亮。
Description
技术领域
本发明属于实色面漆的领域，具体涉及一种水性丙烯酸聚氨酯面漆及其制备方法。
背景技术
随着国家对于涂料污染的控制，水性丙烯酸聚氨酯涂料，产品组分一由含羟基的丙烯酸树脂、颜填料、助剂配制而成。组份二为脂肪族多异氰酸酯。使用前，按一定比例将两个组份混合在一起，然后涂饰。水性丙烯酸聚氨酯涂料以其不易燃，低挥发，硬度等综合性能上的优势，渐渐替代了市面上传统型的溶剂型聚氨酯涂料。水性丙烯酸聚氨酯涂料可广泛用于机车车辆、汽车、各种精细部件、金属壳体机械设备等防护装饰，属于低VOC、抗沾污的高装饰性面漆。
关于水性实色面漆的发明很多，多集中在水性丙烯酸乳液的水性丙烯酸聚氨酯面漆，少数采用其他水性乳液，这些水性实色面漆性能指标各有差异。主要存在耐水性能不好、致密性不佳、附着力较差；极大多数都不能适应于恶劣的环境，极易黄变、失光等的性能缺陷。
发明内容
本发明所要解决的技术问题是：提供一种耐水性能好、致密性佳、附着力好、不易黄变、不易失光的一种水性丙烯酸聚氨酯面漆。
为解决上述技术问题，本发明提供的技术方案为：一种水性丙烯酸聚氨酯面漆，所述的水性丙烯酸聚氨酯面漆由A组分和B组分组成，B组分为固化剂；所述A组分和B组分的质量比为4：1；所述A组分按质量份数，由以下组分组成：
所述的水性丙烯酸乳液，其平均粒径为250～500nm，固体含量为50～58质量％，粘度为1500～2000mPa.s。
所述A组分按质量份数，由以下组分组成：
所述A组分按质量份数，由以下组分组成：
本发明所要解决的第二个技术问题是：提供一种水性丙烯酸聚氨酯面漆的制备方法。
为解决第二个技术问题，采用的技术方案是：一种水性丙烯酸聚氨酯面漆的制备方法，其步骤为：将颜料、白炭黑、分散剂、消泡剂、附着力促进剂按比例混合，转速800～1000转/min，高速分散15～30min，然后放入砂磨机中砂磨至细度≤20μm，再慢慢加入水性丙烯酸乳液、耐磨粉、紫外线吸收剂、流平剂、抗沾污剂、杀菌剂混合均匀，得到A组分；将A组分和B组分的按质量比混合均匀，得到水性丙烯酸聚氨酯面漆。
有益效果：利用附着力促进剂来加强水性涂料的附着力性能；针对气候环境的变化，可以加入紫外线吸收剂，来增强耐气候的老化性能，比目前的水性实色面漆更耐黄变、不易失光失色；本发明的涂料还具有抗沾污的性能，当物件表面有灰尘等脏东西，用水冲一下，脏东西会随着水珠流掉，物件恢复光亮。
具体实施方式
实施例1-5
将颜料、白炭黑、分散剂、消泡剂、附着力促进剂按比例混合，转速800～1000转/min，高速分散15～30min，然后放入砂磨机中砂磨至细度≤20μm，再慢慢加入水性丙烯酸乳液、耐磨粉、紫外线吸收剂、流平剂、抗沾污剂、杀菌剂混合均匀，得到A组分；将A组分和B组分的按质量比混合均匀，得到水性丙烯酸聚氨酯面漆。
A组分制作过程中原材料的具体重量份如下表1，实验同时设5组数据，为表1和表2中的实施例1-5，实验时同时设对比例，对比例中不添加紫外线吸收剂、抗沾污剂、附着力促进剂，其余组分与实施例5相同。将各实施例和对比例中得到的水性丙烯酸聚氨酯面漆进行性能测试，各涂料的各项性能指标如下表2。
颜填料、助剂均为市售商品，根据使用的需求选择。
表1：实施例及对比例中各原料的具体重量组分：
表2：实施例及对比例得到的各涂料性能指标测试结果：
从表2实施例分析结果可以看出，实施例1-5产品的性能明显优于对比例，实施例4和5性能效果更佳。
Claims (4)
1.一种水性丙烯酸聚氨酯面漆，其特征在于：所述水性丙烯酸聚氨酯面漆由A组分和B组分组成，B组分为固化剂；所述A组分和B组分的质量比为4：1；所述A组分按质量份数，由以下组分组成：
所述的水性丙烯酸乳液，其平均粒径为250～500nm，固体含量为50～58质量％，粘度为1500～2000mPa.s。
2.根据权利要求1所述的一种水性丙烯酸聚氨酯面漆，其特征在于：所述A组分按质量份数，由以下组分组成：
3.根据权利要求2所述的一种水性丙烯酸聚氨酯面漆，其特征在于：所述A组分按质量份数，由以下组分组成：
4.权利要求1、2、3所述的一种水性丙烯酸聚氨酯面漆的制备方法，其步骤为：将颜料、白炭黑、分散剂、消泡剂、附着力促进剂按比例混合，转速800～1000转/min，高速分散15～30min，然后放入砂磨机中砂磨至细度≤20μm，再慢慢加入水性丙烯酸乳液、耐磨粉、紫外线吸收剂、流平剂、抗沾污剂、杀菌剂混合均匀，得到A组分；将A组分和B组分的按质量比混合均匀，得到水性丙烯酸聚氨酯面漆。
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070072282A (ko) * | 2005-12-31 | 2007-07-04 | 주식회사 케이씨씨 | 자동차 보수용 도료 조성물 |
| CN105385281A (zh) * | 2015-12-30 | 2016-03-09 | 天恒涂料有限公司 | 水性丙烯酸聚氨酯面漆 |
| CN106398503A (zh) * | 2016-09-18 | 2017-02-15 | 中航百慕新材料技术工程股份有限公司 | 一种水性双组份聚氨酯面漆涂料及其制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070072282A (ko) * | 2005-12-31 | 2007-07-04 | 주식회사 케이씨씨 | 자동차 보수용 도료 조성물 |
| CN105385281A (zh) * | 2015-12-30 | 2016-03-09 | 天恒涂料有限公司 | 水性丙烯酸聚氨酯面漆 |
| CN106398503A (zh) * | 2016-09-18 | 2017-02-15 | 中航百慕新材料技术工程股份有限公司 | 一种水性双组份聚氨酯面漆涂料及其制备方法 |
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