CN109355912B - 全遮光涤纶布的生产工艺 - Google Patents
全遮光涤纶布的生产工艺 Download PDFInfo
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Abstract
本发明公开了全遮光涤纶布的生产工艺,包括以下步骤:a、布料染色;b、染色后的布料浸防水工作液,作防水处理;c、防水后的布料轧光;d、轧光后的布料浸打光工作液,作打光处理;e、打光后的布料浸热惰性工作液,作热惰处理;f、热惰后的布料浸抗紫外线工作液,得成品。本发明产出的产品具有全遮黑性和更好的抗紫外线性,同时在隔热、耐寒、阻燃和耐划性能方面更优异。
Description
技术领域
本发明涉及一种涤纶布的生产工艺,特别是全遮光涤纶布的生产工艺。
背景技术
近年来,随着生活品质的提高,人们对于所使用物品的功能越来越细分。如伞具、户外用具等,其带遮光功能的一类越来越受欢迎。虽然现有的遮光涤纶布,在遮光效果上远好于传统的银胶涤纶布,而且在外观上,除基布颜色外,遮光涤纶布大多是黑色的,对普通消费者来说没有太大的局别。但是用不同工艺生产的黑胶布在具体性能上是有较大的差异的。现有工艺生产的遮光涤纶布,其遮光性达到了80%左右,常用来制作防紫外线的雨伞。但是,这种遮光布隔热耐寒性能差,阻燃和耐划性能相对较低。在实际条件下,用强光,如手机手电筒,对着常规的遮光布,会发现有轻微的透光现象。在制成雨伞使用一段时间后,这种现象会更加明显,甚至出现透光点。显而易见的,现有工艺生产的遮黑布不适用于户外用具,这种使用条件相对严苛的产品。
因此,设计一种产出遮黑性和抗紫外线性更好,在隔热、耐寒、阻燃和耐划性能方面优异的涤纶布的生产工艺是本行业技术人员急需解决的问题。
发明内容
本发明的目的在于,提供全遮光涤纶布的生产工艺。本发明产出的产品具有全遮黑性和更好的抗紫外线性,同时在隔热、耐寒、阻燃和耐划性能方面更优异。
本发明的技术方案:全遮光涤纶布的生产工艺,包括以下步骤:
a、布料染色;
b、染色后的布料浸防水工作液,作防水处理;
c、防水后的布料轧光;
d、轧光后的布料浸打光工作液,作打光处理;
e、打光后的布料浸热惰性工作液,作热惰处理;
f、热惰后的布料浸抗紫外线工作液,得成品。
前述的全遮光涤纶布的生产工艺中,在步骤d中,按重量份计,所述打光工作液包括以下组分:打光浆料95-105份,阻燃剂8-12份,架桥剂2-4份,促进剂2-4份,甲苯溶剂30-40份。
前述的全遮光涤纶布的生产工艺中,在步骤d中,按重量份计,所述打光工作液包括以下组分:打光浆料100份,阻燃剂10份,架桥剂3份,促进剂3份,甲苯溶剂30份。所述的打光浆料为二液型聚氨酯。
前述的全遮光涤纶布的生产工艺中,在步骤e中,按重量份计,所述热惰性工作液包括以下组分:阻燃浆料95-105份,阻燃剂8-12份,白浆3-7份,黑浆25-35份,碳粉6-14份。
热惰处理包括两个方面,一是布料离火后自行快速熄灭,而是布料的隔热性能。
前述的全遮光涤纶布的生产工艺中,在步骤e中,按重量份计,所述热惰性工作液包括以下组分:阻燃浆料100份,阻燃剂10份,白浆5份,黑浆30份,碳粉10份。
前述的全遮光涤纶布的生产工艺中,在步骤f中,按重量份计,所述抗紫外线工作液包括以下组分:阻燃浆料95-105份,阻燃剂8-12份,白浆3-7份,黑浆25-35份,碳粉6-14份,2-4份抗紫外线剂。
前述的全遮光涤纶布的生产工艺中,在步骤f中,按重量份计,所述抗紫外线工作液包括以下组分:阻燃浆料100份,阻燃剂10份,白浆5份,黑浆30份,碳粉10份,3份抗紫外线剂。所述的阻燃浆料为高模量面胶。
前述的全遮光涤纶布的生产工艺中,在步骤c中,轧光温度为140-180℃,布料进给速度为25-35m/min,压力为75-85吨。
前述的全遮光涤纶布的生产工艺中,在步骤b中,所述防水工作液为包含防水剂的水溶液,按重量份计,防水剂的比例为2%-6%。
前述的全遮光涤纶布的生产工艺中,所述的防水剂,按重量份计,包括以下组分:甲基纤维素10-18份,超细硅酸铝6-12份,聚乙烯醇30-50份,丙烯酸酯20-30份,甘油20-30份。
前述的全遮光涤纶布的生产工艺中,所述的防水剂,按重量份计,包括以下组分:甲基纤维素12份,超细硅酸铝8份,聚乙烯醇40份,丙烯酸酯30份,甘油30份。
前述的全遮光涤纶布的生产工艺中,所述超细硅酸铝的细度大于2100目。
与现有技术相比,本发明的打光、热惰和抗紫外线三道工序均带有阻燃剂,通过多道工序和合理优化的配比,充分保证布料的阻燃性能。同时,热惰和抗紫外线两道工序通过反复涂布提高遮光性,结合轧光后致密的布身,本发明产品可以达到94%以上的遮光率,基本做到不透强光,是名副其实的全遮光布料。不仅如此,抗紫外线工序提高布料的抗紫外线性能,热惰工序的碳粉使布料具有隔热御寒效果,因此本发明的产品十分适用于伞具和登山帐篷。
更进一步地,在防水工序中,甲基纤维素使防水剂在干燥后的膜具有更好的韧性和附着性能,同时伴随着超细硅酸铝分在膜表面。超细硅酸铝首先提高了整体的耐划耐擦洗性能,其次在膜表面形成预期的粗糙度,这个粗糙度一方面有利于后续打光、热惰和抗紫外线中涂胶的附着,另一方面粗糙表面更容易形成漫反射,达到消光遮光的效果。
综上,本发明产出的产品具有全遮黑性和更好的抗紫外线性,同时在隔热、耐寒、阻燃和耐划性能方面更优异。
具体实施方式
下面结合实施例对本发明作进一步说明,但并不作为对本发明限制的依据。
实施例一:
全遮光涤纶布的生产工艺,包括以下步骤:
a、布料染色;
b、染色后的布料浸防水工作液,作防水处理;
c、防水后的布料轧光;
d、轧光后的布料浸打光工作液,作打光处理;
e、打光后的布料浸热惰性工作液,作热惰处理;
f、热惰后的布料浸抗紫外线工作液,得成品。
基布为190T75D的涤纶布。
在步骤b中,所述防水工作液为包含防水剂的水溶液,按重量份计,防水剂的比例为4%。所述的防水剂,按重量份计,包括以下组分:甲基纤维素12份,超细硅酸铝8份,聚乙烯醇40份,丙烯酸酯30份,甘油30份。其中超细硅酸铝的细度大于2100目。
在步骤c中,轧光温度为160℃,布料进给速度为30m/min,压力为80吨。
在步骤d中,按重量份计,所述打光工作液包括以下组分:打光浆料100份,阻燃剂10份,架桥剂3份,促进剂3份,甲苯溶剂35份。所述的打光浆料为二液型聚氨酯。
在步骤e中,按重量份计,所述热惰性工作液包括以下组分:阻燃浆料100份,阻燃剂10份,白浆5份,黑浆30份,碳粉10份。
在步骤f中,按重量份计,所述抗紫外线工作液包括以下组分:阻燃浆料100份,阻燃剂10份,白浆5份,黑浆30份,碳粉10份,3份抗紫外线剂。其中抗紫外线剂为UV531型药剂。所述的阻燃浆料为高模量面胶。
实施例二:
在实施例一的基础上,在步骤d中,按重量份计,所述打光工作液包括以下组分:打光浆料95份,阻燃剂8份,架桥剂2份,促进剂2份,甲苯溶剂30份。
在步骤e中,按重量份计,所述热惰性工作液包括以下组分:阻燃浆料95份,阻燃剂8份,白浆3份,黑浆25份,碳粉6份。
在步骤f中,按重量份计,所述抗紫外线工作液包括以下组分:阻燃浆料95份,阻燃剂8份,白浆3份,黑浆25份,碳粉6份,2份抗紫外线剂。
实施例三:在实施例一的基础上,在步骤d中,按重量份计,所述打光工作液包括以下组分:打光浆料105份,阻燃剂12份,架桥剂4份,促进剂4份,甲苯溶剂40份。
在步骤e中,按重量份计,所述热惰性工作液包括以下组分:阻燃浆料105份,阻燃剂12份,白浆7份,黑浆35份,碳粉14份。
在步骤f中,按重量份计,所述抗紫外线工作液包括以下组分:阻燃浆料105份,阻燃剂12份,白浆7份,黑浆35份,碳粉14份,4份抗紫外线剂。
在实施例一、二或三中,所述的阻燃剂、架桥剂、促进剂和黑浆白浆等均采用市售材料,如架桥剂采用海丽化学的过氧化二异丙苯产品等,因此不过多赘述。
各实施例的具体性能见下表。
表1不同配方遮光涤纶布的性能参数
项目 | 实施例一 | 实施例二 | 实施例三 |
遮光率 | 96.3% | 94.0% | 95.3% |
离火熄灭时间 | 3-4s | 4-5s | 4-5s |
市售遮光布的遮光率普遍只有79-86%,其离火熄灭时间(布料离开火焰后不再产生火焰或火星的时间)为6-8s。由此可见,用本发明工艺制得的产品在遮光率和阻燃性上均有较大的提升。
Claims (1)
1.全遮光涤纶布的生产工艺,其特征在于:包括以下步骤:
a、布料染色;
b、染色后的布料浸防水工作液,作防水处理;
c、防水后的布料轧光;
d、轧光后的布料浸打光工作液,作打光处理;
e、打光后的布料浸热惰性工作液,作热惰处理;
f、热惰后的布料浸抗紫外线工作液,得成品;
在步骤d中,按重量份计,所述打光工作液包括以下组分:打光浆料100份,阻燃剂10份,架桥剂3份,促进剂3份,甲苯溶剂30份;
在步骤e中,按重量份计,所述热惰性工作液包括以下组分:阻燃浆料100份,阻燃剂10份,白浆5份,黑浆30份,碳粉10份;
在步骤f中,按重量份计,所述抗紫外线工作液包括以下组分:
阻燃浆料100份,阻燃剂10份,白浆5份,黑浆30份,碳粉10份,3份抗紫外线剂;
其中,打光浆料为二液型聚氨酯,阻燃浆料为高模量面胶;
在步骤c中,轧光温度为160℃,布料进给速度为30m/min,压力为80吨;
在步骤b中,所述防水工作液为包含防水剂的水溶液,按重量份计,防水剂的比例为4%;防水剂按重量份计包括以下组分:甲基纤维素12份,超细硅酸铝8份,聚乙烯醇40份,丙烯酸酯30份,甘油30份。
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