CN106634545A - 一种低voc隔音pu白底漆 - Google Patents
一种低voc隔音pu白底漆 Download PDFInfo
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Abstract
本发明为一种低VOC隔音PU白底漆,由主剂、固化剂、稀释剂组成;主剂包括豆油醇酸树脂13~18%,蓖麻油醇酸树脂12~15%,白色浆25~30%,溶剂3~5%,消泡剂0.1~0.2%,流平剂0.1~0.2%,膨润土0.4~0.6%,分散剂 0.1~0.3%,膨胀微球2~3%,滑石粉20~25%,碳酸钙10~15%,硬脂酸锌1~3%,固化剂包括甲苯二异氰酸酯(TDI)三聚体37~42%,六亚甲基二异氰酸酯(HDI)三聚体 3~6%,甲苯二异氰酸酯(TDI)‑三羟甲基丙烷加成物32~37%,醋酸丁酯 18~25%。稀释剂包括醋酸丁酯40~50%,二甲苯 20~30%,丙二醇甲醚醋酸酯 20~30%。本发明产品除具有普通聚氨酯白底漆的性能外,施工后漆膜具有一定的隔音隔热功能。
Description
技术领域
本发明涉及一种聚氨酯木器白底漆,具体为一种低VOC隔音PU白底漆。
技术背景
当前,随着人们物质文化生活水平的提高,环保意识越来越强,国家针对溶剂型木器涂料的法律法规要求越来越严,对家具涂装的要求不再局限于一时的装饰性与审美效果,除了要满足国家的法律法规之外,对木门涂装之后功能性提出了更高的要求。而市场上所用的聚氨白底漆,涂装时有大量的voc排放,且只起到填充的作用,无任何功能。
发明内容
本发明的目的降低产品的VOC含量,使施工VOC含量小于200克/升,接近水性涂料VOC限量标准,并使漆膜具有一定的隔音隔热功能,以克服现有技术的存在的上述缺陷。
本发明低VOC隔音PU白底漆,由主剂、固化剂、稀释剂组成,重量份数配比为:主剂:固化剂:稀释剂=100: 30:40。
所述主剂包括如下重量百分比的组分:
豆油醇酸树脂 13~18%
蓖麻油醇酸树脂 12~15%
白色浆 25~30%
溶剂 3~5%
消泡剂 0.1~0.2%
流平剂 0.1~0.2%
膨润土 0.4~0.6%
分散剂 0.1~0.3%
膨胀微球 2~3%
滑石粉 20~25%
碳酸钙 10~15%
硬脂酸锌 1~3%
所述豆油醇酸树脂为70%固含的豆油改性短油醇酸树脂,自制;
所述蓖麻油醇酸树脂为70%固含的豆油改性短油醇酸树脂,自制;
所述粘度调节稀释剂为醋酸丁酯、二甲苯、丙二醇甲醚醋酸酯中的一种以上;
所述消泡剂为破泡聚合物,可采用毕克化学牌号为BYK-052的产品;
所述流平剂为为氟改性聚丙烯酸酯,可采用巴斯夫公司牌号为EFKA3777的产品;
所述防沉剂为有机膨润土;可采用丰虹公司牌号为140的产品;
所述分散剂为聚酰胺与聚酯混合物,可采用海明斯.德谦公司牌号为Disponer 912的产品;
所述白色浆为国产金红石型钛白研磨的60%钛白含量的色浆,自制;
所述膨胀微球,可采用AKZONOBEL公司Expancel牌号为920DET40d25的产品;
所述滑石粉、碳酸钙、硬脂酸锌, 为常规产品产品;
所述固化剂重量百分比组分配比为:
甲苯二异氰酸酯(TDI)三聚体 37~42%
六亚甲基二异氰酸酯(HDI)三聚体 4~6%
甲苯二异氰酸酯(TDI)-三羟甲基丙烷加成物 32~37%
醋酸丁酯 18~25%
所述稀释剂剂重量百分比组分配比为:
醋酸丁酯 40~50%
二甲苯 20~30%
丙二醇甲醚醋酸酯 20~30%
本发明的制备方法为将所述主剂、固化剂、稀释剂按照各自的组分比例分别搅拌混合即可;获得的主剂、固化剂、稀释剂,使用时按照上述比例混合均匀,即可进行施工,施工方法为本领域常规方法。
本发明从新型原料与产品的配方着手,着眼产品环保性与涂装功能的特殊要求,采用了膨胀微球做填料,因膨胀微球有极小的密度(25kg/m3是普通填料的1%不到),大幅降了产品的密度,从而降低了产品的VOC排放,是普通产品VOC排放量的50%,达到环保目的,并因膨胀微球是中空的微球,改变声波与热能的传导速率,有效地起到了隔音隔热的作用。
本发明与现有技术对比具有如下优点:
1、本发明引入了膨胀微球做填料,因膨胀微球有极小的密度(25kg/m3是普通填料的1%不到),大幅降了产品的密度,从而降低了产品的VOC排放,使施工VOC含量远小于420克/升(免交溶剂税),达到国家要求的VOC排放标准,是普通产品VOC排放量的50%,达到环保目的;
2、本发明引入的膨胀微球是中空的微球,改变声波与热能的传导速率,有效地起到了隔音隔热的作用;
3、本发明引入了较大量甲苯二异氰酸酯三聚体快干固化剂保证了漆膜的高燥速度与打磨性,引入的蓖麻油树脂与六亚甲基二异氰酸酯(HDI)三聚体改善了漆膜韧性极一定的耐黄变性;
4、配方保留了传统PU双组分家具漆的优良装饰效果和保护效果,且易施工,适合有气喷涂、静电喷涂、刷涂等多种施工方式。
具体实施方式
实例1
配方:
(1)主剂(重量百分比)
豆油醇酸树脂18%,蓖麻油醇酸树脂15%,白色浆28%,丙二醇甲醚醋酸酯1%,二甲苯1%,消泡剂 0.15%,流平剂0.1%,膨润土0.5%,分散剂0.3%,膨胀微球2.5%,滑石粉20%,碳酸钙10%,硬脂酸锌1.5%,醋酸丁酯1.95%,合计100。
豆油醇酸树脂为70%固含的豆油改性短油醇酸树脂,自制;
蓖麻油醇酸树脂为70%固含的豆油改性短油醇酸树脂,自制;
消泡剂为破泡聚合物,为毕克化学牌号为BYK-052的产品;
流平剂为为氟改性聚丙烯酸酯,为巴斯夫公司牌号为EFKA3777的产品;
防沉剂为有机膨润土;为丰虹公司牌号为140的产品;
分散剂为聚酰胺与聚酯混合物,为海明斯.德谦公司牌号为Disponer 912的产品;
白色浆为国产金红石型钛白研磨的60%钛白含量的色浆,自制;
膨胀微球,为AKZONOBEL公司Expancel牌号为920DET40d25的产品;
所述滑石粉、碳酸钙、硬脂酸锌, 为常规产品产品;
制备工艺如下:确定所用容器洁净无污染,先投入豆油醇酸树脂树脂、蓖麻油醇酸树脂树脂、白色浆、丙二醇甲醚醋酸酯、二甲苯低速搅拌均匀,在低速搅拌下依次加入消泡剂BYK-052、流平剂EFKA3777、分散剂Disponer 912中速分散10分钟,加入防沉剂140膨润土,高速分散10分钟,在低速搅拌下依次加入膨胀微球920DET40d25、滑石粉、碳酸钙、硬脂酸锌高速分散15分钟至刮板细毒小于50微米,低速搅拌下依次加入醋酸丁酯,搅拌均匀即可。
(2)固化剂(重量百分比)
甲苯二异氰酸酯(TDI)三聚体40%,甲苯二异氰酸酯(TDI)-六亚甲基二异氰酸酯(HDI)混合三聚体 5%,甲苯二异氰酸酯(TDI)-三羟甲基丙烷加成物40%,醋酸丁酯 20%。
(3)稀释剂(重量百分比)
醋酸丁酯50%,二甲苯 25%,丙二醇甲醚醋酸酯 25%。
将所述主剂、固化剂和稀释剂按照各自的组分比例分别搅拌混合均匀,获得所述主剂、固化剂和稀释剂。
施工配比(重量份数):主剂:固化剂:稀释剂=100: 30:40。
施工方式:人工喷涂。
根据HG/T2454-2006《溶剂型聚氨酯涂料(双组分)》及GB18581-2006《室内装饰装修材料溶剂型木器涂料中有害物质限量》检测,实际检测数据如下:
1、在容器中状态参数 搅拌后均匀无硬块
2、施工性 刷涂无障碍
3、表干时间 ≤25min
4、实干时间 ≤4h
5、储存稳定性(50℃/7d) 无异常
6、涂膜外观 正常
7、铅笔硬度(擦伤) ≥B
8、附着力(划格间距2㎜) ≤1级
9、耐干热(90℃,15min) 1级
10、耐水性(24 h) 无异常
12、耐碱性(50 g/LNaHCO3, 2 h) 无异常
13、耐醇性(70%乙醇,1 h) 无异常
14、耐醋污染性(1 h) 无异常
15、耐茶污染性(1 h) 无异常
16、挥发性有机物(VOC) 310g/L
17、涂料中苯 未检出
18、涂料甲苯、二甲苯、乙苯含量总和 13.1%
19、涂料甲苯二异氰酸酯单体(TDI) 0.02%。
实例2
配方:
(1)主剂(重量百分比)
豆油醇酸树脂13%,蓖麻油醇酸树脂15%,白色浆28%,丙二醇甲醚醋酸酯1%,二甲苯1%,消泡剂 0.15%,流平剂0.1%,膨润土0.5%,分散剂0.3%,膨胀微球2.5%,滑石粉20%,碳酸钙15%,硬脂酸锌1.5%,醋酸丁酯1.95%,合计100。
豆油醇酸树脂为70%固含的豆油改性短油醇酸树脂,自制;
蓖麻油醇酸树脂为70%固含的豆油改性短油醇酸树脂,自制;
消泡剂为破泡聚合物,为毕克化学牌号为BYK-052的产品;
流平剂为为氟改性聚丙烯酸酯,为巴斯夫公司牌号为EFKA3777的产品;
防沉剂为有机膨润土;为丰虹公司牌号为140的产品;
分散剂为聚酰胺与聚酯混合物,为海明斯.德谦公司牌号为Disponer 912的产品;
白色浆为国产金红石型钛白研磨的60%钛白含量的色浆,自制;
膨胀微球,为AKZONOBEL公司Expancel牌号为920DET40d25的产品;
所述滑石粉、碳酸钙、硬脂酸锌, 为常规产品产品;
制备工艺如下:确定所用容器洁净无污染,先投入豆油醇酸树脂树脂、蓖麻油醇酸树脂树脂、白色浆、丙二醇甲醚醋酸酯、二甲苯低速搅拌均匀,在低速搅拌下依次加入消泡剂BYK-052、流平剂EFKA3777、分散剂Disponer 912中速分散10分钟,加入防沉剂140膨润土,高速分散10分钟,在低速搅拌下依次加入膨胀微球920DET40d25、滑石粉、碳酸钙、硬脂酸锌高速分散15分钟至刮板细毒小于50微米,低速搅拌下依次加入醋酸丁酯,搅拌均匀即可。
(2)固化剂(重量百分比)
甲苯二异氰酸酯(TDI)三聚体40%,甲苯二异氰酸酯(TDI)-六亚甲基二异氰酸酯(HDI)混合三聚体 5%,甲苯二异氰酸酯(TDI)-三羟甲基丙烷加成物40%,醋酸丁酯 20%。
(3)稀释剂(重量百分比)
醋酸丁酯50%,二甲苯 25%,丙二醇甲醚醋酸酯 25%。
将所述主剂、固化剂和稀释剂按照各自的组分比例分别搅拌混合均匀,获得所述主剂、固化剂和稀释剂。
施工配比(重量份数):主剂:固化剂:稀释剂=100: 30:40。
施工方式:人工喷涂。
根据HG/T2454-2006《溶剂型聚氨酯涂料(双组分)》及GB18581-2006《室内装饰装修材料溶剂型木器涂料中有害物质限量》检测,实际检测数据如下:
1、在容器中状态参数 搅拌后均匀无硬块
2、施工性 刷涂无障碍
3、表干时间 ≤25min
4、实干时间 ≤4h
5、储存稳定性(50℃/7d) 无异常
6、涂膜外观 正常
7、铅笔硬度(擦伤) ≥B
8、附着力(划格间距2㎜) ≤1级
9、耐干热(90℃,15min) 1级
10、耐水性(24 h) 无异常
12、耐碱性(50 g/LNaHCO3, 2 h) 无异常
13、耐醇性(70%乙醇,1 h) 无异常
14、耐醋污染性(1 h) 无异常
15、耐茶污染性(1 h) 无异常
16、挥发性有机物(VOC) 297.82g/L
17、涂料中苯 未检出
18、涂料甲苯、二甲苯、乙苯含量总和 12.3%
19、涂料甲苯二异氰酸酯单体(TDI) 0.02%。
实施例3
所述主剂包括如下重量百分比的组分:
豆油醇酸树脂 15%
蓖麻油醇酸树脂 14%
白色浆 26%
溶剂 4%
消泡剂 0.1%
流平剂 0.1%
膨润土 0.5%
分散剂 0.2%
膨胀微球 2%
滑石粉 23%
碳酸钙 13%
硬脂酸锌 2%
所述固化剂重量百分比组分配比为:
甲苯二异氰酸酯(TDI)三聚体 40%
六亚甲基二异氰酸酯(HDI)三聚体 5%
甲苯二异氰酸酯(TDI)-三羟甲基丙烷加成物 35%
醋酸丁酯 22%
所述稀释剂剂重量百分比组分配比为:
醋酸丁酯 45%
二甲苯 25%
丙二醇甲醚醋酸酯 25%。
Claims (3)
1.一种低VOC隔音PU白底漆,其特征在于,有主剂、固化剂、稀释剂组成;
所述主剂包括如下重量百分比的组分:
豆油醇酸树脂 13~18%
蓖麻油醇酸树脂 12~15%
白色浆 25~30%
溶剂 3~5%
消泡剂 0.1~0.2%
流平剂 0.1~0.2%
膨润土 0.4~0.6%
分散剂 0.1~0.3%
膨胀微球 2~3%
滑石粉 20~25%
碳酸钙 10~15%
硬脂酸锌 1~3%
所述固化剂重量百分比组分配比为:
甲苯二异氰酸酯(TDI)三聚体 37~42%
六亚甲基二异氰酸酯(HDI)三聚体 4~6%
甲苯二异氰酸酯(TDI)-三羟甲基丙烷加成物 32~37%
醋酸丁酯 18~25%
所述稀释剂剂重量百分比组分配比为:
醋酸丁酯 40~50%
二甲苯 20~30%
丙二醇甲醚醋酸酯 20~30%。
2.根据权利要求1所述的一种低VOC隔音PU白底漆,其特征在于,所述豆油醇酸树脂为70%固含的豆油改性短油醇酸树脂;
所述蓖麻油醇酸树脂为70%固含的豆油改性短油醇酸树脂;
所述溶剂为醋酸丁酯、二甲苯、丙二醇甲醚醋酸酯中的一种以上;
所述消泡剂为破泡聚合物;
所述流平剂为为氟改性聚丙烯酸酯;
所述防沉剂为有机膨润土;
所述分散剂为聚酰胺与聚酯混合物;
所述白色浆为国产金红石型钛白研磨的60%钛白含量的色浆;
所述膨胀微球,为已高温膨胀的空心塑料微球;
所述滑石粉、碳酸钙、硬脂酸锌, 为常规产品产品。
3.根据权利要求1或2所述的一种低VOC隔音PU白底漆,其特征在于,重量份数配比为:主剂:固化剂:稀释剂=100:30:40。
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