CN106087437A - 船用矿物棉板的制作方法 - Google Patents

船用矿物棉板的制作方法 Download PDF

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CN106087437A
CN106087437A CN201610421488.4A CN201610421488A CN106087437A CN 106087437 A CN106087437 A CN 106087437A CN 201610421488 A CN201610421488 A CN 201610421488A CN 106087437 A CN106087437 A CN 106087437A
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needle punched
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vessel
mineral wool
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CN106087437B (zh
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周致中
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WUXI CITY MINGJIANG INSULATION MATERIAL CO Ltd
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Abstract

本发明涉及一种船用矿物棉板的制作方法，其特征是，包括以下步骤：（1）将无机纤维短切成定长的无机纤维；（2）将短切后定长的无机纤维经开松、梳理、铺网、针刺，得到所需厚度的针刺毯；（3）将针刺毯喷淋无机改性粘结剂；（4）将喷淋无机改性粘结剂的针刺毯进行真空抽滤，至无机改性粘结剂在针刺毯上无滴挂现象；经真空抽滤后，无机改性粘结剂留存量为针刺毯重量的8～15%；（5）将步骤（4）处理后的针刺毯单面喷淋水性环氧树脂，喷淋量为0.05～0.1kg/㎡；（6）将步骤（5）处理后的针刺毯进行烘干定型，得到所述的船用矿物棉板的制作方法。本发明提高了船用矿物棉板的抗拉、抗折性能，无甲醛、环保，对人体无害。

Description

船用矿物棉板的制作方法
技术领域
本发明涉及一种船用矿物棉板船用矿物棉板的制作方法，属于保温材料技术领域。
背景技术
目前，一般的船用矿物棉板是采用高密度玻璃纤维板与矿物棉保温板进行粘贴复合成型。由于高密度玻璃纤维板采用酚醛树脂纤维棉作原料热压成型，酚醛树脂含量较高，一般为8～10%，在使用时会缓释游离甲醛，对人体有害，不利环保，再与保温板胶合，使得产品有机物含量进一步增加。
发明内容
本发明的目的是克服现有技术中存在的不足，提供一种船用矿物棉板的制作方法，提高了船用矿物棉板的抗拉、抗折性能，无甲醛、环保，对人体无害。
按照本发明提供的技术方案，所述船用矿物棉板的制作方法，其特征是，包括以下步骤：
（1）将无机纤维短切成定长的无机纤维，长度为50～100mm；
（2）将短切后定长的无机纤维经开松、梳理、铺网、针刺，得到所需厚度的针刺毯；
（3）将步骤（2）得到的针刺毯喷淋无机改性粘结剂，无机改性粘结剂的组份为：60～80%硅溶胶、20～40%EVA乳液、0.5～5%乳化硅油和0.2～2%有机硅偶联剂，单位为质量百分数；
（4）将喷淋无机改性粘结剂的针刺毯进行真空抽滤，至无机改性粘结剂在针刺毯上无滴挂现象；经真空抽滤后，无机改性粘结剂留存量为针刺毯重量的8～15%；
（5）将步骤（4）处理后的针刺毯单面喷淋水性环氧树脂，喷淋量为0.05～0.1kg/㎡；
（6）将步骤（5）处理后的针刺毯进行烘干定型，得到所述的船用矿物棉板的制作方法。
进一步的，所述无机纤维为石英纤维、高硅氧纤维、氧化铝纤维或无碱玻璃纤维。
进一步的，所述步骤（2）得到的针刺毯的厚度为10～50mm。
进一步的，所述步骤（5）中水性环氧树脂采用水性环氧树脂HDE128或水性环氧树脂HDF638，固含量为55～60%。
进一步的，当步骤（5）采用水性环氧树脂HDE128时，步骤（6）烘干温度为150±5℃，烘干时间为15～30min。
进一步的，当步骤（5）采用水性环氧树脂HDF638时，步骤（6）烘干温度为100±5℃，烘干时间为15～30min。
进一步的，所述EVA乳液的固含量≥40%。
本发明具有如下优点：
（1）本发明所述船用矿物棉板表面具有3mm左右的水性环氧树脂硬面层，具有较好的强度和平整度；
（2）本发明所述船用矿物棉板整体有较好的弹性和可塑性，具有良好的施工性；
（3）本发明所述船用矿物棉板的软面层和硬面层一体成型，平缓过渡，没有原来的胶合结构，降低了有机物含量；
（4）本发明所述船用矿物棉板无石棉，无甲醛，对人体无害，更具环保性能。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
本发明所述船用矿物棉板，采用无机连续纤维作为原料，经短切、开松、梳理、铺网、针刺等工序而成型，不含粘结剂，并以此为基材，再对其表面进行硬化处理，主体保温层与硬面层一体成型，提高了产品的抗拉、抗折性能，无甲醛、环保，对人体无害。
实施例1：一种船用矿物棉板的制作方法，包括以下步骤：
（1）将石英纤维短切成定长的无机纤维，长度为50～100mm；
（2）将短切后定长的无机纤维经开松、梳理、铺网、针刺，得到厚度为10mm的针刺毯；
（3）将步骤（2）得到的针刺毯喷淋无机改性粘结剂，无机改性粘结剂的组份为：60%硅溶胶、39.3%EVA乳液、0.5%乳化硅油和0.2%有机硅偶联剂，单位为质量百分数；所述EVA乳液的固含量为40%；
（4）将喷淋无机改性粘结剂的针刺毯进行真空抽滤，至无机改性粘结剂在针刺毯上无滴挂现象；经真空抽滤后，无机改性粘结剂留存量为针刺毯重量的8%；
（5）将步骤（4）处理后的针刺毯单面喷淋水性环氧树脂HDE128，喷淋量为0.05kg/㎡；所述水性环氧树脂HDE128固含量为55～60%；
（6）将步骤（5）处理后的针刺毯进行烘干定型，烘干温度为145℃，烘干时间为30min，得到所述的船用矿物棉板的制作方法；所述的船用矿物棉板表面形成3mm左右的水性环氧树脂硬面层，以保证强度和平整度。
实施例2：一种船用矿物棉板的制作方法，包括以下步骤：
（1）将高硅氧纤维短切成定长的无机纤维，长度为50～100mm；
（2）将短切后定长的无机纤维经开松、梳理、铺网、针刺，得到厚度为50mm的针刺毯；
（3）将步骤（2）得到的针刺毯喷淋无机改性粘结剂，无机改性粘结剂的组份为：73%硅溶胶、20%EVA乳液、5%乳化硅油和2%有机硅偶联剂，单位为质量百分数；所述EVA乳液的固含量为40%；
（4）将喷淋无机改性粘结剂的针刺毯进行真空抽滤，至无机改性粘结剂在针刺毯上无滴挂现象；经真空抽滤后，无机改性粘结剂留存量为针刺毯重量的15%；
（5）将步骤（4）处理后的针刺毯单面喷淋水性环氧树脂HDF638，喷淋量为0.1kg/㎡；所述水性环氧树脂HDF638的固含量为55～60%；
（6）将步骤（5）处理后的针刺毯进行烘干定型，烘干温度为105℃，烘干时间为15min，得到所述的船用矿物棉板的制作方法；所述的船用矿物棉板表面形成3mm左右的水性环氧树脂硬面层，以保证强度和平整度。
实施例3：一种船用矿物棉板的制作方法，包括以下步骤：
（1）将氧化铝纤维短切成定长的无机纤维，长度为50～100mm；
（2）将短切后定长的无机纤维经开松、梳理、铺网、针刺，得到厚度为25mm的针刺毯；
（3）将步骤（2）得到的针刺毯喷淋无机改性粘结剂，无机改性粘结剂的组份为：70%硅溶胶、27%EVA乳液、2%乳化硅油和1%有机硅偶联剂，单位为质量百分数；所述EVA乳液的固含量为40%；
（4）将喷淋无机改性粘结剂的针刺毯进行真空抽滤，至无机改性粘结剂在针刺毯上无滴挂现象；经真空抽滤后，无机改性粘结剂留存量为针刺毯重量的10%；
（5）将步骤（4）处理后的针刺毯单面喷淋水性环氧树脂HDE128，喷淋量为0.06kg/㎡；所述水性环氧树脂HDE128的固含量为55～60%；
（6）将步骤（5）处理后的针刺毯进行烘干定型，烘干温度为150℃，烘干时间为20min，得到所述的船用矿物棉板的制作方法；所述的船用矿物棉板表面形成3mm左右的水性环氧树脂硬面层，以保证强度和平整度。

Claims (7)

1.一种船用矿物棉板的制作方法，其特征是，包括以下步骤：
（1）将无机纤维短切成定长的无机纤维，长度为50～100mm；
（2）将短切后定长的无机纤维经开松、梳理、铺网、针刺，得到所需厚度的针刺毯；
（3）将步骤（2）得到的针刺毯喷淋无机改性粘结剂，无机改性粘结剂的组份为：60～80%硅溶胶、20～40%EVA乳液、0.5～5%乳化硅油和0.2～2%有机硅偶联剂，单位为质量百分数；
（4）将喷淋无机改性粘结剂的针刺毯进行真空抽滤，至无机改性粘结剂在针刺毯上无滴挂现象；经真空抽滤后，无机改性粘结剂留存量为针刺毯重量的8～15%；
（5）将步骤（4）处理后的针刺毯单面喷淋水性环氧树脂，喷淋量为0.05～0.1kg/㎡；
（6）将步骤（5）处理后的针刺毯进行烘干定型，得到所述的船用矿物棉板的制作方法。
2.如权利要求1所述的船用矿物棉板的制作方法，其特征是：所述无机纤维为石英纤维、高硅氧纤维、氧化铝纤维或无碱玻璃纤维。
3.如权利要求1所述的船用矿物棉板的制作方法，其特征是：所述步骤（2）得到的针刺毯的厚度为10～50mm。
4.如权利要求1所述的船用矿物棉板的制作方法，其特征是：所述步骤（5）中水性环氧树脂采用水性环氧树脂HDE128或水性环氧树脂HDF638，固含量为55～60%。
5.如权利要求4所述的船用矿物棉板的制作方法，其特征是：当步骤（5）采用水性环氧树脂HDE128时，步骤（6）烘干温度为150±5℃，烘干时间为15～30min。
6.如权利要求4所述的船用矿物棉板的制作方法，其特征是：当步骤（5）采用水性环氧树脂HDF638时，步骤（6）烘干温度为100±5℃，烘干时间为15～30min。
7.如权利要求1所述的船用矿物棉板的制作方法，其特征是：所述EVA乳液的固含量≥40%。
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