CN112626881A - 一种高效抗紫外隔热涂层户外帐篷织物 - Google Patents
一种高效抗紫外隔热涂层户外帐篷织物 Download PDFInfo
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Abstract
本发明涉及一种高效抗紫外隔热涂层户外帐篷织物，基胚经过退浆染色定型之后，采用两次重复涂层的方式，其中涂层整理步骤如下：（1）底涂，选用二液型聚胺酯树脂并添加氨基改性后的小粒径无机氧化物空心微球进行复配；（2）面涂，选用PU彩胶与改性后的大粒径无机氧化物空心微球复配。选用梯度粒径的无机氧化物空心微球/聚氨酯涂层，并通过两次涂层工艺来阻隔并反射太阳光中的红外线和紫外线，有效阻隔了光线的穿透，无机氧化物空心微球，经氨基硅烷偶联剂改性，使无机氧化物空心微球在聚氨酯中的相容性、分散性更好，形成化学键合的无机氧化物空心微球/聚氨酯涂层，更利于实现涂层在织物上均匀、牢固的附着。
Description
技术领域
本发明涉及一种帐篷织物，尤其是涉及一种高效抗紫外隔热涂层户外帐篷织物。
背景技术
随着人们生活水平的提高，人们的娱乐及运动需求也逐渐多元化，户外活动占领人们休闲娱乐的一席之地，户外用品市场随之日渐扩大，帐篷类产品更是户外用品中的主流。帐篷作为一种户外遮蔽材料，给人们提供户外休息和办公的场所，目前市场上的户外帐篷质量稂莠不齐，常规的帐篷织物：（1）遮阳防晒、抗紫外线效果一般；（2）阳光中的大部分能量会被篷体吸收，导致篷体表面和内部温度迅速升高，形成“日照超温”现象，帐篷下温度更高。这些帐篷难以满足人们对美好户外生活的向往。
发明内容
本发明提供了一种高效抗紫外隔热涂层户外帐篷织物，选用梯度粒径的无机氧化物空心微球/聚氨酯涂层，并通过两次涂层工艺来阻隔并反射太阳光中的红外线和紫外线，有效阻隔了光线的穿透，其UPF值可以达到50+以上，红外光透过率≤10%。
本发明的具体技术方案为：一种高效抗紫外隔热涂层户外帐篷织物，基胚经过退浆染色定型之后，采用两次重复涂层的方式，其中涂层整理步骤如下：
（1）底涂，选用二液型聚胺酯树脂并添加氨基改性后的小粒径无机氧化物空心微球进行复配，底涂涂厚度控制于30—35μm，每平米用胶量控制于80—90g/㎡；小粒径无机氧化物空心微球的粒径控制在25-30μm；
（2）面涂，选用PU彩胶与改性后的大粒径无机氧化物空心微球复配，底涂涂厚度控制20-25μm，每平米用胶量控制60-65g/㎡；大粒径无机氧化物空心微球的粒径控制在35-45μm。
选用梯度粒径的无机氧化物空心微球/聚氨酯涂层，并通过两次涂层工艺来阻隔并反射太阳光中的红外线和紫外线，有效阻隔了光线的穿透，无机氧化物空心微球，经氨基硅烷偶联剂改性，使无机氧化物空心微球在聚氨酯中的相容性、分散性更好，形成化学键合的无机氧化物空心微球/聚氨酯涂层，更利于实现涂层在织物上均匀、牢固的附着，该涂层对外来的光线的反射比例很高，高达80%以上，可以有效阻挡热量，并且降低涂层中的热量传导，使得涂料的隔热效果更佳。
进一步优选，基胚选用涤纶长丝平纹布，经纬丝规格均为 505D/36F ，经纬密度要达到204条/英尺以上，将该胚布进行缝头处理。
进一步优选，基胚经过退浆染色之后进行定型防水处理，定型机烘箱温度设定200℃，烘箱停留时间30秒，同时添加氟碳防水剂CPS-L 38G/L，防水处理后的沾水效果检测可达5级以上。定型的时候要控制纬斜少于3%内，同时进行光电自动整纬。
进一步优选，定型之后进行压光整理，采用镜面辊进行压平，轧点压力控制在140kg/cm²，镜面辊压光行走速度控制60m/min，压光整理连续进行两次，第一压光整理控制镜面辊的表面温度为210℃左右，第二次压光整理控制镜面辊的表面温度为215℃左右。
进一步优选，二液型聚胺酯树脂的固含量为60%以上，100份液型聚胺酯树脂加入：30-50份小粒径无机氧化物空心微球、50-60份颜料、6份氨基交联剂880、1.5-2份催化剂925、稀释剂甲苯25份。
进一步优选，氨基交联剂880和催化剂925用甲苯充分溶解再加入到二液型聚胺酯树脂中。
进一步优选，面涂采用的PU彩胶为镜面PU彩胶，100份镜面PU彩胶加入：30-50份大粒径无机氧化物空心微球、60份稀释剂甲苯、6份密胺架桥机，2份密胺促进剂，6份耐磨滑爽剂。大粒径无机氧化物空心微球赋予的功能主要是保证布料的靓丽外观以及对强光的完全阻隔，达到零透光高隔热抗紫外的效果。
本发明的有益效果是：选用梯度粒径的无机氧化物空心微球/聚氨酯涂层，并通过两次涂层工艺来阻隔并反射太阳光中的红外线和紫外线，有效阻隔了光线的穿透，无机氧化物空心微球，经氨基硅烷偶联剂改性，使无机氧化物空心微球在聚氨酯中的相容性、分散性更好，形成化学键合的无机氧化物空心微球/聚氨酯涂层，更利于实现涂层在织物上均匀、牢固的附着，该涂层对外来的光线的反射比例很高，高达80%以上，可以有效阻挡热量，并且降低涂层中的热量传导，使得涂料的隔热效果更佳。
具体实施方式
下面通过具体实施例，对本发明作进一步的描述。
实施例：
一种高效抗紫外隔热涂层户外帐篷织物，采用以下步骤制得：
一、基胚准备：
选用涤纶长丝平纹布，经纬丝规格均为 50D/36F ，经纬密度要达到204条/英尺以上，将该胚布进行缝头处理。
二、退浆染色：
将接好的基胚投入到溢流染色机内进行退浆并染色，对色后进行还原清洗，色牢度为4级以上。
三、定型防水：
基胚经过退浆染色之后进行定型防水处理，定型机烘箱温度设定200℃，烘箱停留时间30秒，同时添加氟碳防水剂CPS-L 38G/L，防水处理后的沾水效果检测可达5级以上，定型时控制纬斜少于3%内，同时进行光电自动整纬。
四、压光整理：
定型之后进行压光整理，采用镜面辊进行压平，轧点压力控制在140kg/cm²，镜面辊压光行走速度控制60m/min，压光整理连续进行两次，第一压光整理控制镜面辊的表面温度为210℃左右，第二次压光整理控制镜面辊的表面温度为215℃左右。
五、涂层整理：
采用两次重复涂层的方式，其中涂层整理包括：
（1）底涂，选用二液型聚胺酯树脂并添加氨基改性后的小粒径无机氧化物空心微球进行复配，底涂涂厚度控制于30—35μm，每平米用胶量控制于80—90g/㎡；小粒径无机氧化物空心微球的粒径控制在25-30μm；二液型聚胺酯树脂的固含量为60%以上，100份液型聚胺酯树脂加入：30-50份小粒径无机氧化物空心微球、50-60份颜料、6份氨基交联剂880、1.5-2份催化剂925、稀释剂甲苯25份；氨基交联剂880和催化剂925用甲苯充分溶解再加入到二液型聚胺酯树脂中。
（2）面涂，选用PU彩胶与改性后的大粒径无机氧化物空心微球复配，底涂涂厚度控制20-25μm，每平米用胶量控制60-65g/㎡；大粒径无机氧化物空心微球的粒径控制在35-45μm；面涂采用的PU彩胶为镜面PU彩胶，100份镜面PU彩胶加入：30-50份大粒径无机氧化物空心微球、60份稀释剂甲苯、6份密胺架桥机，2份密胺促进剂，6份耐磨滑爽剂。
高效抗紫外隔热涂层户外帐篷织物的技术指标检测结果如下表：
以上所述，仅是本发明的较佳实施例，并非对本发明作任何限制，凡是根据本发明技术实质对以上实施例所作的任何简单修改、变更以及等效变换，均仍属于本发明技术方案的保护范围。
Claims (7)
1.一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，基胚经过退浆染色定型之后，采用两次重复涂层的方式，其中涂层整理步骤如下：
（1）底涂，选用二液型聚胺酯树脂并添加氨基改性后的小粒径无机氧化物空心微球进行复配，底涂涂厚度控制于30—35μm，每平米用胶量控制于80—90g/㎡；小粒径无机氧化物空心微球的粒径控制在25-30μm；
（2）面涂，选用PU彩胶与改性后的大粒径无机氧化物空心微球复配，底涂涂厚度控制20-25μm，每平米用胶量控制60-65g/㎡；大粒径无机氧化物空心微球的粒径控制在35-45μm。
2.根据权利要求1所述的一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，基胚选用涤纶长丝平纹布，经纬丝规格均为 505D/36F ，经纬密度要达到204条/英尺以上，将该胚布进行缝头处理。
3.根据权利要求1所述的一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，基胚经过退浆染色之后进行定型防水处理，定型机烘箱温度设定200℃，烘箱停留时间30秒，同时添加氟碳防水剂CPS-L 38G/L，防水处理后的沾水效果检测可达5级以上。
4.根据权利要求1或2或3所述的一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，定型之后进行压光整理，采用镜面辊进行压平，轧点压力控制在140kg/cm²，镜面辊压光行走速度控制60m/min，压光整理连续进行两次，第一压光整理控制镜面辊的表面温度为210℃左右，第二次压光整理控制镜面辊的表面温度为215℃左右。
5.根据权利要求1或2或3所述的一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，二液型聚胺酯树脂的固含量为60%以上，100份液型聚胺酯树脂加入：30-50份小粒径无机氧化物空心微球、50-60份颜料、6份氨基交联剂880、1.5-2份催化剂925、稀释剂甲苯25份。
6.根据权利要求5所述的一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，氨基交联剂880和催化剂925用甲苯充分溶解再加入到二液型聚胺酯树脂中。
7.根据权利要求1或2或3所述的一种高效抗紫外隔热涂层户外帐篷织物，其特征在于，面涂采用的PU彩胶为镜面PU彩胶，100份镜面PU彩胶加入：30-50份大粒径无机氧化物空心微球、60份稀释剂甲苯、6份密胺架桥机，2份密胺促进剂，6份耐磨滑爽剂。
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