CN104420331B - 环保防水防油超纤合成革及其制备方法 - Google Patents

环保防水防油超纤合成革及其制备方法 Download PDF

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CN104420331B
CN104420331B CN201310364908.6A CN201310364908A CN104420331B CN 104420331 B CN104420331 B CN 104420331B CN 201310364908 A CN201310364908 A CN 201310364908A CN 104420331 B CN104420331 B CN 104420331B
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韩芹
胡忠杰
孙向浩
杜明兵
吴勇
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Shanghai Huafeng Super Fiber Technology Co.,Ltd.
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Abstract

本发明公开了一种环保防水防油超纤合成革及其制备方法,制备方法,包括如下步骤:(1)将尼龙6、低密度聚乙烯和氟系改性PA6树脂混合,依次经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断工序,获得不定岛海岛短纤维;(2)将不定岛海岛纤维制备成为导电型无纺布;(3)将无纺布制得含聚氨酯的基布;(4)将含聚氨酯树脂的基布,开纤制成用于环保防水超细纤维合成革半成品;(5)将步骤(4)的产物,浸渍在含有C6生态三防整理剂的环保防水防油柔软整理液中,浸轧,焙烘,再进行后整理,获得所述环保防水防油超纤合成革。采用上述方法制备的环保防水防油超纤合成革,不仅解决了超纤革的防水问题,又解决了防水剂对环境的污染问题。

Description

环保防水防油超纤合成革及其制备方法
技术领域
[0001 ]本发明涉及一种超细纤维聚氨酯绒面革及其制备方法。
背景技术
[0002]超细纤维合成革具有档次高、透气透湿、耐磨损等特点,但是由于超细纤维合成革采用传统的C8系列防水剂,而PFOS和PFOA是C8防水剂中存在的痕量物质,难分解、易在生物体内累积,因此受到严格限制。
[0003]因此,为了满足消费者和环保的要求,开发一种环保、防水防油性能及高品质超纤合成革产品是市场发展的必然趋势。
发明内容
[0004]本发明的目的在于提供一种环保防水防油超纤合成革及其制备方法,以克服现有技术存在的缺陷。
[0005]本发明所述的环保防水防油超纤合成革的制备方法,包括如下步骤:
[0006] (I)将尼龙6、低密度聚乙烯和氟系改性PA6树脂混合,依次经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断等工序,获得不定岛海岛短纤维;
[0007]组分的重量份数为:
[0008]尼龙 6 100 份
[0009] 低密度聚乙烯 80〜104份
[0010] 氟系改性PA6树脂 I〜10份[0011 ]优选的,组分的重量份数为:
[0012]尼龙 6 100 份
[0013] 低密度聚乙烯 86〜100份
[0014] 氟系改性PA6树脂 2〜6份
[0015]所述氟系改性PA6树脂是氟素丙烯酸酯共聚物和尼龙6的混合物,重量百分比为,氟素丙烯酸酯共聚物:1%〜10%,尼龙6:90%〜99%,可采用商业化产品,如:大金氟化工(中国)有限公司公司牌号为TG-1001的产品;
[0016]所述熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断等工序,为常规的方法,具体可参见文献:曲建波等.合成革工艺学[M].北京:化学工业出版社,2010.记载的方法;
[0017] (2)将步骤(I)的不定岛海岛纤维,经梳理、铺网和针刺,制备成为导电型无纺布;
[0018]所述的梳理、铺网和针刺的方法,为制备无纺布的常规技术,可参见文献:曲建波等.合成革工艺学[M].北京:化学工业出版社,2010.的记载;
[0019] 所制得的防水型无纺布克重为300〜700g/m2,厚度为0.8〜2.0mm;
[0020] (3)将所得无纺布,浸渍于聚氨酯溶液,再经过凝固、水洗处理,制得含聚氨酯的基布;
[0021]所述的聚氨酯溶液,由如下重量份数的组分组成:
[0022] 聚氨酯树脂...................100份
[0023] N, N-二甲基甲酰胺(DMF).............186 〜300份
[0024]所述的聚氨酯树脂有机溶液为聚氨酯树脂在有机溶剂N,N_ 二甲基甲酰胺(DMF)中的溶液,其中聚氨酯重量浓度为25%〜35%;
[0025]所述的浸渍、凝固、水洗等方法,为制备超细纤维合成革基布的常规技术,可参见文献:曲建波等.合成革工艺学[M].北京:化学工业出版社,2010.的记载;
[0026] (4)将含聚氨酯树脂的基布,在80°C〜90°C下,用甲苯萃取出其中的低密度聚乙烯,进行开纤处理,制成用于环保防水超细纤维合成革半成品,
[0027] (5)将步骤(4)的产物,浸渍在环保防水防油柔软整理液中,一浸一乳,带液率70%〜80%(重量),然后在110 °C〜130 °C预烘后,在150 °C〜170 °C焙烘I〜3分钟,再采用常规的方法,片皮、磨皮、染色和水洗烘干等后整理,获得所述环保防水防油超纤合成革;
[0028]所述的片皮、磨皮、染色、水洗烘干等后整理,为常规的方法,可参见文献:曲建波等.合成革工艺学[M].北京:化学工业出版社,2010.的记载;
[0029]所述环保防水防油柔软整理液,由如下重量份数的组分组成:
[0030] C6生态三防整理剂..................2〜9份
[0031 ] 柔软剂.......................3〜6份
[0032] 去离子水......................100份
[0033]优选的,所述环保防水防油柔软整理液,由如下重量份数的组分组成:
[0034] C6生态三防整理剂..................4〜6份
[0035] 柔软剂.......................4〜5份
[0036] 去离子水......................100份
[0037]所述的C6生态三防整理剂是氟碳类化合物,碳氢化合物基质和超分子星状高聚物;
[0038]柔软剂为有机硅乳液;
[0039 ]所述柔软剂为重量固含量18〜20%的有机硅乳液。
[0040]纺丝中加入环保氟系改性PA6树脂,增加防水超纤革的耐水洗性能,其比例越高,环保防水防油柔软整理剂浓度越高,所制得超纤革防水性和防油性越好,但由于氟系改性PA6树脂的比例越高会影响产品的物性,环保防水防油柔软整理剂浓度越高,产品的成本也会相应提尚。
[0041]采用上述方法制备的环保防水防油超纤合成革,不仅解决了超纤革的防水问题,又解决了防水剂对环境的污染问题。
[0042]下面用实施例来进一步说明本发明,但本发明并不受其限制。下述实施例中,低密度聚乙烯的密度为0.910〜0.925g/cm3o
[0043]所用聚氨酯均购自浙江华峰合成树脂有限公司。
[0044] 实施例1
[0045]超纤合成革的制作方法如下:
[0046]将尼龙6、低密度聚乙烯和氟系改性PA6树脂以50份、43份、I份的重量比混合均匀,经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断等工序,获得不定岛海岛短纤维;
[0047] 经梳理、铺网、针刺制成300g/m2厚度0.8mm的无纺布;
[0048]将无纺布浸渍于聚氨酯溶液,聚氨酯树脂重量浓度为25%;使聚氨酯含浸在纤维间隙中,再经过凝固、水洗处理,制得含聚氨酯的基布;
[0049]聚氨酯溶液,由如下重量份数的组分组成:
[0050]聚氨酯树脂(JF-w-3100 )...................100份
[0051] N, N-二甲基甲酰胺(DMF)...................300份
[0052 ]用80 °C的热甲苯抽出开纤,经扩幅、烘干等后整理制得的超细纤合成革基布。
[0053]将其浸渍在环保防水防油柔软整理剂中,一浸一乳,带液率70%,预烘110°C,焙烘温度150°C,1分钟,获得所述的环保超纤合成革;
[0054]所述的环保防水防油柔软整理剂由如下重量份数的组分组成:
[0055] C6生态三防整理剂......................4份
[0056](氟碳类化合物,旭硝子化工有限公司)
[0057] 柔软剂...........................4份
[0058](有机改性聚硅氧烷,阳离子型,鲁道夫化工有限公司)
[0059] 去离子水..........................100份
[0060] 采用GB/T1040.3-2006标准中的5型试样进行检测分析(下同),标准进行检测,所得到的超纤绒面革中,重量份数为:
[0061 ]尼龙 6..........................100 份
[0062] 聚氨酯树脂........................90份
[0063] 氟系改性PA6树脂.....................2份
[0064]防水测试采用水/异丙醇测试方法,防油测试采用AATCC118测试方法,所测得防水性4级,防油性3〜4级。
[0065] 实施例2
[0066]将尼龙6、低密度聚乙烯和氟系改性PA6树脂以50份、45份、1.5份的重量比混合均匀,经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断等工序,获得不定岛海岛短纤维;
[0067 ] 经梳理、铺网、针刺制成450g/m2厚度Imm的无纺布;
[0068]将无纺布浸渍于聚氨酯溶液,聚氨酯树脂重量浓度为30%;使聚氨酯含浸在纤维间隙中,再经过凝固、水洗处理,制得含聚氨酯的基布;
[0069]聚氨酯溶液,由如下重量份数的组分组成:
[0070]聚氨酯树脂(JF1-3100 )..................100份
[0071] N, N-二甲基甲酰胺(DMF)..................233份
[0072 ]用80 °C的热甲苯抽出开纤,经扩幅、烘干等后整理制得的超细纤合成革基布。
[0073]将其浸渍在环保防水防油柔软整理剂中,一浸一乳,带液率75%,预烘120°C,焙烘温度160°C,2分钟,获得所述的环保超纤合成革;
[0074]所述的环保防水防油柔软整理剂由如下重量份数的组分组成:
[0075] C6生态三防整理剂.....................5份
[0076](氟碳类化合物,旭硝子化工有限公司)
[0077] 柔软剂..........................4.5份
[0078](有机改性聚硅氧烷,阳离子型,鲁道夫化工有限公司)
[0079] 去离子水.........................100份
[0080]采用GB/T1040.3-2006标准中的5型试样进行检测分析,所得到的超纤绒面革中,
重量份数为:
[0081]尼龙 6.......................100 份
[0082] 聚氨酯树脂.....................100份
[0083] 氟系改性PA6树脂...................3份
[0084]防水测试采用水/异丙醇测试方法,防油测试采用AATCC118测试方法,所测得防水性5级,防油性4〜5级。
[0085] 实施例3
[0086]将尼龙6、低密度聚乙烯和氟系改性PA6树脂以50份、50份、3份的重量比混合均匀,经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断等工序,获得不定岛海岛短纤维;
[OO87 ] 经梳理、铺网、针刺制成7 O O g/m2厚度2.0mm的无纺布;
[0088]将无纺布浸渍于聚氨酯溶液,聚氨酯树脂重量浓度为30%;使聚氨酯含浸在纤维间隙中,再经过凝固、水洗处理,制得含聚氨酯的基布;
[0089]聚氨酯溶液,由如下重量份数的组分组成:
[0090]聚氨酯树脂(JF1-3100 )................100份
[0091] N, N-二甲基甲酰胺(DMF)................233份
[0092 ]用80 °C的热甲苯抽出开纤,经扩幅、烘干等后整理制得的超细纤合成革基布。
[0093]将其浸渍在环保防水防油柔软整理剂中,一浸一乳,带液率75%,预烘130°C,焙烘温度170°C,3分钟,获得所述的环保超纤合成革;
[0094]所述的环保防水防油柔软整理剂由如下重量份数的组分组成:
[0095] C6生态三防整理剂..................4.5份
[0096](氟碳类化合物,旭硝子化工有限公司)
[0097] 柔软剂.......................5份
[0098](有机改性聚硅氧烷,阳离子型,鲁道夫化工有限公司)
[0099] 去离子水......................100份
[0100]采用GB/T1040.3-2006标准中的5型试样进行检测分析,所得到的超纤绒面革中,
重量份数为:
[0101]尼龙 6.......................100 份
[0102] 聚氨酯树脂....................105份
[0103] 氟系改性PA6树脂.................6份
[0104]防水测试采用水/异丙醇测试方法,防油测试采用AATCC118测试方法,所测得防水性5〜6级,防油性4〜5级。
[0105] 实施例4
[0106]将尼龙6、低密度聚乙烯和氟系改性PA6树脂以50份、47份、2.5份的重量比混合均匀,经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断等工序,获得不定岛海岛短纤维;[0Ί07] 经梳理、铺网、针刺制成500g/m2厚度1.4mm的无纺布;
[0108]将无纺布浸渍于聚氨酯溶液,聚氨酯树脂重量浓度为30%;使聚氨酯含浸在纤维间隙中,再经过凝固、水洗处理,制得含聚氨酯的基布;
[0109]聚氨酯溶液,由如下重量份数的组分组成:
[0110]聚氨酯树脂(JF-w-3100 ).................100份
[0111] N, N-二甲基甲酰胺(DMF).................233份
[0112]用80 °C的热甲苯抽出开纤,经扩幅、烘干等后整理制得的超细纤合成革基布。
[0113]将其浸渍在环保防水防油柔软整理剂中,一浸一乳,带液率80%,预烘125°C,焙烘温度165°C,2分钟,获得所述的环保超纤合成革;
[0114]所述的环保防水防油柔软整理剂由如下重量份数的组分组成:
[0115] C6生态三防整理剂...................6份
[0116](氟碳类化合物,旭硝子化工有限公司)
[0117] 柔软剂........................5份
[0118](有机改性聚硅氧烷,阳离子型,鲁道夫化工有限公司)
[0119] 去离子水.......................100份
[0120]采用GB/T1040.3-2006标准中的5型试样进行检测分析,所得到的超纤绒面革中,
重量份数为:
[0121]尼龙 6........................100 份
[0122] 聚氨酯树脂.....................100份
[0123] 氟系改性PA6树脂...................5份
[0124]防水测试采用水/异丙醇测试方法,防油测试采用AATCC118测试方法,所测得防水性5〜6级,防油性4〜5级。

Claims (7)

1.环保防水防油超纤合成革的制备方法,其特征在于,包括如下步骤: (1)将尼龙6、低密度聚乙烯和氟系改性PA6树脂混合,依次经过熔融挤出、纺丝、上油、牵伸、卷曲、定型和切断工序,获得不定岛海岛短纤维; (2)将步骤(I)的不定岛海岛纤维,经梳理、铺网和针刺,制备成为导电型无纺布; (3)将所得无纺布,浸渍于聚氨酯溶液,再经过凝固、水洗处理,制得含聚氨酯的基布; (4)将含聚氨酯树脂的基布,进行开纤处理,制成用于环保防水超细纤维合成革半成品; (5)将步骤(4)的产物,浸渍在含有C6生态三防整理剂的环保防水防油柔软整理液中,浸乳,焙烘,再进行后整理,获得所述环保防水防油超纤合成革; 步骤(I)中,组分的重量份数为: 尼龙6 100份 低密度聚乙烯 80〜104份 氟系改性PA6树脂I〜10份。
2.根据权利要求1所述的方法,其特征在于,步骤(I)中,组分的重量份数为: 尼龙6 100份 低密度聚乙烯 86〜100份 氟系改性PA6树脂2〜6份。
3.根据权利要求1所述的方法,其特征在于,步骤(5)中,将步骤(4)的产物,浸渍在环保防水防油柔软整理液中,一浸一乳,重量带液率70%〜80%,然后在110°C〜130°C预烘后,在150°C〜170°C焙烘I〜3分钟。
4.根据权利要求3所述的方法,其特征在于,所述环保防水防油柔软整理液,由如下重量份数的组分组成:C6生态三防整理剂...................2〜9份柔软剂........................3〜6份去离子水.......................100份。
5.根据权利要求4所述的方法,其特征在于,所述环保防水防油柔软整理液,由如下重量份数的组分组成:C6生态三防整理剂...................4〜6份柔软剂........................4〜5份去离子水.......................100份。
6.根据权利要求5所述的方法,其特征在于,所述的C6生态三防整理剂是氟碳类化合物,碳氢化合物基质和超分子星状高聚物; 柔软剂为有机硅乳液; 所述柔软剂为重量固含量18〜20%的有机娃乳液。
7.根据权利要求1〜6任一项所述的方法制备的环保防水防油超纤合成革。
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