CN106087433A - 一种涤纶帆布用耐热浸渍处理液及制备方法 - Google Patents

一种涤纶帆布用耐热浸渍处理液及制备方法 Download PDF

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CN106087433A
CN106087433A CN201610614760.0A CN201610614760A CN106087433A CN 106087433 A CN106087433 A CN 106087433A CN 201610614760 A CN201610614760 A CN 201610614760A CN 106087433 A CN106087433 A CN 106087433A
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parts
process liquid
impregnation process
heat
polyester canvas
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石杰
姚敏
徐义忠
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Wuhu SHZ Industrial Fabric Co Ltd
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Abstract

本发明公开一种涤纶帆布用耐热浸渍处理液，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液30‑40份、水溶性树脂3‑8份、异氰酸酯35‑50份、三羟甲基丙烷1‑2份、邻苯二甲酸二辛酯5‑8份、氧化锑3‑6份、氯化石蜡5‑10份、碳酸钙20‑28份、去离子65‑76份本发明采用丁吡胶乳、有机硅改性水性聚氨酯乳液和水溶性树脂为胶乳基体，具有优异的耐磨性能、抗热老化性能；制备的耐热浸渍处理液提高了涤纶帆布与橡胶的粘合强度。

Description

一种涤纶帆布用耐热浸渍处理液及制备方法
技术领域
本发明属于化工技术领域，具体是一种涤纶帆布用耐热浸渍处理液及制备方法。
背景技术
涤纶的基本组成物质是聚对苯二甲酸乙二醇酯,分子式[-OC-Ph-COOCH2CH2O-]n，故也称聚酯纤维(PET)，其长链分子的化学结构式为H(OCH2CCOCO)NOCH2CH2OH,相对分子量一般在18000-25000左右。实际上，其中还有少量的单体和低聚物存在。这些低聚物的聚合度较低，又以环状形式存在。聚对苯二甲酸乙二酯可由对苯二甲酸(PTA)和乙二醇(EG)通过直接酯化法制取对苯二甲酸乙二酯9BHET)后缩聚而成。
从涤纶分子组成来看，它是由短脂肪烃链、酯基、苯环、端醇羟基所构成。涤纶子中除存在两个端醇羟基外，并无其它极性基团，因而涤纶纤维亲水性极差。涤纶分子中约含有46％酯基，酯基在高温时能发生水解、热裂解，遇碱则皂解，使聚合度降低；涤纶分子中还含有脂肪族烃链，它能使涤纶分子具有一定柔曲性，但由于涤纶分子中还有不能内旋转的苯环，故涤纶大分子基本为刚性分子，分子链易于保持线型。因此，涤纶大分子在这一条件下很容易形成结晶，故涤纶的结晶度和取向性较高。
涤纶短纤维强度为2.6-5.7cN/dtex，高强力纤维为5.6-8.0cN/dtex。由于吸湿性较低，它的湿态强度与干态强度基本相同。耐冲击强度比锦纶高4倍，比粘胶纤维高20倍。涤纶的弹性模数为22-141cN/dtex，比锦纶高2-3倍。涤纶织物具有较高的强度与弹性恢复能力，因此，其坚牢耐用、抗皱免烫。涤纶表面光滑，内部分子排列紧密，具有热塑性；耐磨性仅次于耐磨性最好的锦纶。
涤纶帆布作为其他特殊材料需要与橡胶粘合后使用，然而涤纶帆布与橡胶粘合料在热老化后粘合性能下降，不能满足人们的需要。如何研究一种涤纶帆布用耐热浸渍处理液，用于改善粘合性能，延长使用寿命，就显得尤为重要了。
发明内容
针对现有技术的不足，本发明提出一种涤纶帆布用耐热浸渍处理液。
本发明的目的可以通过以下技术方案实现：
一种涤纶帆布用耐热浸渍处理液，其特征在于，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液30-40份、水溶性树脂3-8份、异氰酸酯35-50份、三羟甲基丙烷1-2份、邻苯二甲酸二辛酯5-8份、氧化锑3-6份、氯化石蜡5-10份、碳酸钙20-28份、去离子65-76份；
所述有机硅改性水性聚氨酯乳液制备方法为：按重量份计，将异佛尔酮二异氰酸酯27份、聚醚二醇40份、二月桂酸二丁基锡3份混合；二羟甲基丙酸1份用5mLN-甲基吡咯烷酮溶解，加入上述混合物中，再加入端羟基聚硅氧烷8份、1,4-丁二醇4mL、乙二醇2mL、三乙胺3g和十二烷基苯磺酸钠5g，50-55℃条件下反应6h得聚氨酯预聚体；将20g聚氨酯预聚体降温至38℃，加入三乙胺8g、去离子水13mL，剪切后，加入乙二胺0.4g扩链，减压抽挥发物质得有机硅改性水性聚氨酯乳液。
所述水溶性树脂为聚酯树脂、环氧树脂、氨基树脂中的至少一种。
所述聚氨酯预聚体中-NCO百分含量为15-18％。
包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液35份、水溶性树脂5份、异氰酸酯41份、三羟甲基丙烷1.5份、邻苯二甲酸二辛酯6.5份、氧化锑4.5份、氯化石蜡8份、碳酸钙24份、去离子70份。
本发明还公开一种涤纶帆布用耐热浸渍处理液的方法，其特征在于，包括以下步骤：
(1)将部分去离子水与异氰酸酯、三羟甲基丙烷、邻苯二甲酸二辛酯、氧化锑、氯化石蜡、碳酸钙混合，搅拌均匀，放置1h，得混合液A；
(2)将剩余去离子水与丁吡胶乳、有机硅改性水性聚氨酯乳液、水溶性树脂混合搅拌均匀，得混合液B；
(3)将混合液B加入到混合液A中，搅拌均匀，放置48h，得涤纶帆布用热浸渍处理液。
所述步骤(1)中去离子水的使用量占总量的25-30％。
本发明的有益效果：本发明采用丁吡胶乳、有机硅改性水性聚氨酯乳液和水溶性树脂为胶乳基体，具有优异的耐磨性能、抗热老化性能；制备的耐热浸渍处理液提高了涤纶帆布与橡胶的粘合强度。
具体实施方式
实施例1
一种涤纶帆布用耐热浸渍处理液，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液30份、聚酯树脂3份、异氰酸酯35份、三羟甲基丙烷1份、邻苯二甲酸二辛酯5份、氧化锑3份、氯化石蜡5份、碳酸钙20份、去离子65份；
有机硅改性水性聚氨酯乳液制备方法为：按重量份计，将异佛尔酮二异氰酸酯27份、聚醚二醇40份、二月桂酸二丁基锡3份混合；二羟甲基丙酸1份用5mLN-甲基吡咯烷酮溶解，加入上述混合物中，再加入端羟基聚硅氧烷8份、1,4-丁二醇4mL、乙二醇2mL、三乙胺3g和十二烷基苯磺酸钠5g，50-55℃条件下反应6h得聚氨酯预聚体，聚氨酯预聚体中-NCO百分含量为15-18％；将20g聚氨酯预聚体降温至38℃，加入三乙胺8g、去离子水13mL，剪切后，加入乙二胺0.4g扩链，减压抽挥发物质得有机硅改性水性聚氨酯乳液。
一种涤纶帆布用耐热浸渍处理液的制备方法，包括以下步骤：
(1)将30％的去离子水与异氰酸酯、三羟甲基丙烷、邻苯二甲酸二辛酯、氧化锑、氯化石蜡、碳酸钙混合，搅拌均匀，放置1h，得混合液A；
(2)将剩余去离子水与丁吡胶乳、有机硅改性水性聚氨酯乳液、水溶性聚酯树脂混合搅拌均匀，得混合液B；
(3)将混合液B加入到混合液A中，搅拌均匀，放置48h，得涤纶帆布用热浸渍处理液。
实施例2
一种涤纶帆布用耐热浸渍处理液，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液35份、氨基树脂5份、异氰酸酯41份、三羟甲基丙烷1.5份、邻苯二甲酸二辛酯6.5份、氧化锑4.5份、氯化石蜡8份、碳酸钙24份、去离子70份。
一种涤纶帆布用耐热浸渍处理液的制备方法，包括以下步骤：
(1)将25％的去离子水与异氰酸酯、三羟甲基丙烷、邻苯二甲酸二辛酯、氧化锑、氯化石蜡、碳酸钙混合，搅拌均匀，放置1h，得混合液A；
(2)将剩余去离子水与丁吡胶乳、有机硅改性水性聚氨酯乳液、水溶性氨基聚酯树脂混合搅拌均匀，得混合液B；
(3)将混合液B加入到混合液A中，搅拌均匀，放置48h，得涤纶帆布用热浸渍处理液。
实施例3
一种涤纶帆布用耐热浸渍处理液，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液40份、环氧树脂8份、异氰酸酯50份、三羟甲基丙烷2份、邻苯二甲酸二辛酯8份、氧化锑6份、氯化石蜡10份、碳酸钙28份、去离子76份；
有机硅改性水性聚氨酯乳液制备方法为：按重量份计，将异佛尔酮二异氰酸酯27份、聚醚二醇40份、二月桂酸二丁基锡3份混合；二羟甲基丙酸1份用5mLN-甲基吡咯烷酮溶解，加入上述混合物中，再加入端羟基聚硅氧烷8份、1,4-丁二醇4mL、乙二醇2mL、三乙胺3g和十二烷基苯磺酸钠5g，50-55℃条件下反应6h得聚氨酯预聚体，聚氨酯预聚体中-NCO百分含量为15-18％；将20g聚氨酯预聚体降温至38℃，加入三乙胺8g、去离子水13mL，剪切后，加入乙二胺0.4g扩链，减压抽挥发物质得有机硅改性水性聚氨酯乳液。
一种涤纶帆布用耐热浸渍处理液的制备方法，包括以下步骤：
(1)将28％的去离子水与异氰酸酯、三羟甲基丙烷、邻苯二甲酸二辛酯、氧化锑、氯化石蜡、碳酸钙混合，搅拌均匀，放置1h，得混合液A；
(2)将剩余去离子水与丁吡胶乳、有机硅改性水性聚氨酯乳液、水溶性树脂混合搅拌均匀，得混合液B；
(3)将混合液B加入到混合液A中，搅拌均匀，放置48h，得涤纶帆布用热浸渍处理液。
以上内容仅仅是对本发明结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (6)

1.一种涤纶帆布用耐热浸渍处理液，其特征在于，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液30-40份、水溶性树脂3-8份、异氰酸酯35-50份、三羟甲基丙烷1-2份、邻苯二甲酸二辛酯5-8份、氧化锑3-6份、氯化石蜡5-10份、碳酸钙20-28份、去离子65-76份；
所述有机硅改性水性聚氨酯乳液制备方法为：按重量份计，将异佛尔酮二异氰酸酯27份、聚醚二醇40份、二月桂酸二丁基锡3份混合；二羟甲基丙酸1份用5mLN-甲基吡咯烷酮溶解，加入上述混合物中，再加入端羟基聚硅氧烷8份、1,4-丁二醇4mL、乙二醇2mL、三乙胺3g和十二烷基苯磺酸钠5g，50-55℃条件下反应6h得聚氨酯预聚体；将20g聚氨酯预聚体降温至38℃，加入三乙胺8g、去离子水13mL，剪切后，加入乙二胺0.4g扩链，减压抽挥发物质得有机硅改性水性聚氨酯乳液。
2.根据权利要求1所述的涤纶帆布用耐热浸渍处理液，其特征在于，所述水溶性树脂为聚酯树脂、环氧树脂、氨基树脂中的至少一种。
3.根据权利要求1所述的涤纶帆布用耐热浸渍处理液，其特征在于，所述聚氨酯预聚体中-NCO百分含量为15-18％。
4.根据权利要求1所述的涤纶帆布用耐热浸渍处理液，其特征在于，包括以下重量份的原料组分：丁吡胶乳100份、有机硅改性水性聚氨酯乳液35份、水溶性树脂5份、异氰酸酯41份、三羟甲基丙烷1.5份、邻苯二甲酸二辛酯6.5份、氧化锑4.5份、氯化石蜡8份、碳酸钙24份、去离子70份。
5.一种制备如权利要求1所述的涤纶帆布用耐热浸渍处理液的方法，其特征在于，包括以下步骤：
(1)将部分去离子水与异氰酸酯、三羟甲基丙烷、邻苯二甲酸二辛酯、氧化锑、氯化石蜡、碳酸钙混合，搅拌均匀，放置1h，得混合液A；
(2)将剩余去离子水与丁吡胶乳、有机硅改性水性聚氨酯乳液、水溶性树脂混合搅拌均匀，得混合液B；
(3)将混合液B加入到混合液A中，搅拌均匀，放置48h，得涤纶帆布用热浸渍处理液。
6.根据权利要求5所述的方法，其特征在于，所述步骤(1)中去离子水的使用量占总量的25-30％。
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