CN111038043A - 防水复合面料的制备方法 - Google Patents
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Abstract
本发明公开了一种防水复合面料的制备方法，所述复合面料包括基布层、外布料层和薄膜层，所述薄膜层的两面分别通过粘合剂与基布层和外布料层贴合，所述薄膜层由薄膜材料经挤出、成形、加热、拉伸、退火获得，所述薄膜材料由以下重量份的组分组成：聚四氟乙烯树脂85~100份，四氟乙烯/全氟烷基乙烯基醚共聚物10~20份，1,4‑反式聚异戊二烯橡胶5~15份，双（4‑氟苯基）甲酮与1,4‑苯二酚的聚合物8~12份，1,4‑苯二酚2~10份，过氧化二硫酸钾0.5~3份，纳米二氧化钛分散浆0.5~5份，2‑甲基‑2‑戊醇基‑4‑酮0.3~2份，磺基丁二酸钠二辛酯0.5~5份，氟氯碳油0.2~3份，硅烷偶联剂1~5份，N,N‑二甲基甲酰胺15~30份。本发明方法制得的复合面料具有良好的耐热性能、减缓了热传导时间，应用前景广泛。
Description
技术领域
本发明涉及一种聚四氟乙烯薄膜，尤其涉及一种防水复合面料的制备方法。
背景技术
随着人们消费观念的改变以及生活品质的不断提高，人们对衣物等纺织品的功能要求日趋重视，人们日益追求同一纺织品尽可能地同时具备多种实用功能，以适应和改善生活环境、工作环境及自身的健康。面料作为服装的第一要素，扮演至关重要的作用。
对于用于特殊工作环境的服装，因为需要面临多种极端环境，一般要求其具有隔热与防水功能，而传统的面料大多采用针织或梭织的方式织成，透气性能较好但防水性能较差，在该面料上涂一层防水聚氨酯涂层，虽然改善了防水性能差的特点，但其防水性能通常随洗涤次数的增加而降低，从而减少其使用寿命。因此，如何提供一种既满足隔热、防水的要求，同时还耐洗涤的复合面料，成为本领域技术人员努力的方向。
发明内容
本发明目的在于提供一种防水复合面料的制备方法，该复合面料具有良好的耐热性能、减缓了热传导时间，应用前景广泛。
为达到上述目的，本发明采用的技术方案是：一种防水复合面料的制备方法，所述复合面料包括基布层、外布料层和薄膜层，所述薄膜层的两面分别通过粘合剂与基布层和外布料层贴合，所述薄膜层由薄膜材料经挤出、成形、加热、拉伸、退火获得，所述薄膜材料由以下重量份的组分组成：
聚四氟乙烯树脂 85~100份，
四氟乙烯/全氟烷基乙烯基醚共聚物 10~20份，
1,4-反式聚异戊二烯橡胶 5~15份，
双（4-氟苯基）甲酮与1,4-苯二酚的聚合物 8~12份，
1,4-苯二酚 2~10份，
过氧化二硫酸钾 0.5~3份，
纳米二氧化钛分散浆 0.5~5份，
2-甲基-2-戊醇基-4-酮 0.3~2份，
磺基丁二酸钠二辛酯 0.5~5份，
氟氯碳油 0.2~3份，
硅烷偶联剂 1~5份，
N,N-二甲基甲酰胺 15~30份；
所述防水复合面料的制备方法包括以下步骤：
S1. 将薄膜层退绕并在其表面涂布热熔胶，通过层压工艺与外布料层复合；
S2. 将S1中制得的复合面料半成品卷曲，堆置熟成；
S3. 将复合面料半成品退绕并在其薄膜面涂布热熔胶，通过层压工艺与基布层复合；
S4. 将S3中制得的复合面料成品卷曲，堆置熟成。
上述技术方案中进一步改进的技术方案如下：
1. 上述方案中，所述硅烷偶联剂选自选自γ（2,3 环氧丙氧）丙基三甲氧基硅烷、3-氨基丙基三乙氧基硅烷或氨丙基甲基二甲氧基硅烷中的至少一种。
2. 上述方案中，在S2和S4中，堆置熟成的环境湿度为75~85%，温度为33~37℃。
3. 上述方案中，所述聚四氟乙烯树脂的数均分子量为3000000~8000000。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：
本发明防水复合面料的制备方法，其薄膜材料的配方在四氟乙烯/全氟烷基乙烯基醚共聚物10~20份和1,4-反式聚异戊二烯橡胶5~15份的基础上，还额外添加了过氧化二硫酸钾0.5~3份和纳米二氧化钛分散浆0.5~5份，提高了制得薄膜的耐热性能，减缓了热传导时间，采用该薄膜的复合面料具有良好的隔热性能，应用前景广泛；还有，薄膜材料的配方体系中基于过氧化二硫酸钾0.5~3份和纳米二氧化钛分散浆0.5~5份进一步添加磺基丁二酸钠二辛酯0.5~5份，又增强了制得的薄膜的耐水洗、防水性能，从而使得采用该薄膜的复合面料经久耐用、延长面料的使用寿命。
附图说明
附图1为本发明具有防水性能的复合面料结构示意图。
以上附图中：1、基布层；2、外布料层；3、薄膜层。
具体实施方式
下面结合实施例对本发明作进一步描述：
实施例1~4：一种防水复合面料的制备方法，所述复合面料包括基布层1、外布料层2和薄膜层3，所述薄膜层3的两面分别通过粘合剂与基布层1和外布料层2贴合，所述薄膜层3由薄膜材料经挤出、成形、加热、拉伸、退火获得，所述薄膜材料由以下重量份的组分组成：
表1
| 组分 | 实施例1 | 实施例2 | 实施例3 | 实施例4 |
| 聚四氟乙烯树脂 | 100 | 95 | 90 | 88 |
| 四氟乙烯/全氟烷基乙烯基醚共聚物 | 14 | 13 | 17 | 20 |
| 1,4-反式聚异戊二烯橡胶 | 9 | 7 | 13 | 10 |
| 双（4-氟苯基）甲酮与1,4-苯二酚的聚合物 | 9 | 11 | 8.5 | 10 |
| 1,4-苯二酚 | 8 | 5 | 10 | 3 |
| 过氧化二硫酸钾 | 1.5 | 2 | 0.8 | 2.5 |
| 纳米二氧化钛分散浆 | 1.0 | 3.9 | 5 | 2.8 |
| 2-甲基-2-戊醇基-4-酮 | 0.8 | 1.5 | 1.3 | 0.7 |
| 磺基丁二酸钠二辛酯 | 0.5 | 3 | 2 | 1 |
| 氟氯碳油 | 0.6 | 2.5 | 1.8 | 1.0 |
| 硅烷偶联剂 | 2.5 | 4 | 3 | 0.5 |
| N,N-二甲基甲酰胺 | 20 | 15 | 28 | 25 |
实施例1中的硅烷偶联剂为3-氨基丙基三乙氧基硅烷；
实施例2中的硅烷偶联剂为3-氨基丙基三乙氧基硅烷和氨丙基甲基二甲氧基硅烷的混合物；
实施例3中的硅烷偶联剂为γ(2,3 环氧丙氧) 丙基三甲氧基硅烷；
实施例4中的硅烷偶联剂为氨丙基甲基二甲氧基硅烷；
实施例1~4中的聚四氟乙烯树脂的数均分子量为8000000。
上述防水复合面料的制备方法的制备方法包括以下步骤：
S1. 将薄膜层3退绕并在其表面涂布热熔胶，通过层压工艺与外布料层2复合；
S2. 将S1中制得的复合面料半成品卷曲，堆置熟成；
S3. 将复合面料半成品退绕并在其薄膜面涂布热熔胶，通过层压工艺与基布层1复合；
S4. 将S3中制得的复合面料成品卷曲，堆置熟成。
上述S2和S4中，堆置熟成的环境湿度为75~85%，温度为33~37℃。
对比例1~2：一种复合面料的制备方法，所述复合面料包括基布层1、外布料层2和薄膜层3，所述薄膜层3的两面分别通过粘合剂与基布层1和外布料层2贴合，所述薄膜层3由薄膜材料经挤出、成形、加热、拉伸、退火获得，所述薄膜材料由以下重量份的组分组成：
表2
| 组分 | 对比例1 | 对比例2 |
| 聚四氟乙烯树脂 | 100 | 95 |
| 四氟乙烯/全氟烷基乙烯基醚共聚物 | 13 | 14 |
| 1,4-反式聚异戊二烯橡胶 | 9 | 13 |
| 双（4-氟苯基）甲酮与1,4-苯二酚的聚合物 | 11 | 8.5 |
| 1,4-苯二酚 | 8 | 5 |
| 过氧化二硫酸钾 | - | 2.5 |
| 纳米二氧化钛分散浆 | - | 5 |
| 2-甲基-2-戊醇基-4-酮 | 1.5 | 5 |
| 磺基丁二酸钠二辛酯 | 3 | - |
| 氟氯碳油 | 2.5 | 1.8 |
| 硅烷偶联剂 | 4 | 3 |
| N,N-二甲基甲酰胺 | 15 | 28 |
对比例1中的硅烷偶联剂为γ(2,3 环氧丙氧) 丙基三甲氧基硅烷；
对比例2中的硅烷偶联剂为3-氨基丙基三乙氧基硅烷；
对比例1和2中的聚四氟乙烯树脂的数均分子量均为8000000。
制备工艺方法同实施例。
上述实施例1~4和对比例1~2中的聚四氟乙烯薄膜层3的性能如表3所示：
表3
以上测试中，采用蜂窝滚筒洗衣机对具有聚四氟乙烯薄膜层的面料进行清洗，每次清洗48min，如表3所示，对比例1相对于实施例1-4缺少组分过氧化二硫酸钾和纳米二氧化钛分散浆，由数据可知对比例1制得的聚四氟乙烯薄膜经过多次洗涤后，水的接触角越来越小，即制得的面料的疏水性、防水性能越来越差；而对比例2相对于实施例1-4缺少组分磺基丁二酸钠二辛酯，由数据可知对比例2制得的聚四氟乙烯薄膜经过多次洗涤后，水的接触角也越来越小，即制得的面料的疏水性、防水性能同样会越来越差；
如表3的评价结果所示，本发明各实施例制备的聚四氟乙烯薄膜各项参数均优于对比例，其耐热性能高、热传导时间减缓，导热系数降低至0.19~0.26W/mk，采用该薄膜的复合面料具有良好的隔热性能，应用前景广泛，又使得采用该薄膜的复合面料经久耐用、延长面料的使用寿命。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。
Claims (4)
1.一种防水复合面料的制备方法，其特征在于：所述复合面料包括基布层（1）、外布料层（2）和薄膜层（3），所述薄膜层（3）的两面分别通过粘合剂与基布层（1）和外布料层（2）贴合，所述薄膜层（3）由薄膜材料经挤出、成形、加热、拉伸、退火获得，所述薄膜材料由以下重量份的组分组成：
聚四氟乙烯树脂 85~100份，
四氟乙烯/全氟烷基乙烯基醚共聚物 10~20份，
1,4-反式聚异戊二烯橡胶 5~15份，
双（4-氟苯基）甲酮与1,4-苯二酚的聚合物 8~12份，
1,4-苯二酚 2~10份，
过氧化二硫酸钾 0.5~3份，
纳米二氧化钛分散浆 0.5~5份，
2-甲基-2-戊醇基-4-酮 0.3~2份，
磺基丁二酸钠二辛酯 0.5~5份，
氟氯碳油 0.2~3份，
硅烷偶联剂 1~5份，
N,N-二甲基甲酰胺 15~30份；
所述防水复合面料的制备方法包括以下步骤：
S1. 将薄膜层（3）退绕并在其表面涂布热熔胶，通过层压工艺与外布料层（2）复合；
S2. 将S1中制得的复合面料半成品卷曲，堆置熟成；
S3. 将复合面料半成品退绕并在其薄膜面涂布热熔胶，通过层压工艺与基布层（1）复合；
S4. 将S3中制得的复合面料成品卷曲，堆置熟成。
2.根据权利要求1所述的防水复合面料的制备方法，其特征在于：所述硅烷偶联剂选自选自γ（2,3 环氧丙氧）丙基三甲氧基硅烷、3-氨基丙基三乙氧基硅烷或氨丙基甲基二甲氧基硅烷中的至少一种。
3.根据权利要求1所述的防水复合面料的制备方法，其特征在于：在S2和S4中，堆置熟成的环境湿度为75~85%，温度为33~37℃。
4.根据权利要求1所述的防水复合面料的制备方法，其特征在于：所述聚四氟乙烯树脂的数均分子量为3000000~8000000。
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