CN106749895A - 一种吸水膨胀树脂及其制备方法 - Google Patents
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Abstract
本发明涉及一种吸水膨胀树脂及其制备方法,属于树脂技术领域。本发明利用辐射聚合方法合成亲油改性的吸水剂可以大大提高其与基础油的相容性,从而改善其分散稳定性,提高其抗低温性、吸水速度和阻水能力。
Description
技术领域
本发明涉及一种树脂及其制备方法,更具体地说,本发明涉及一种吸水膨胀树脂及其制备方法,属于树脂技术领域。
背景技术
高吸水性树脂是一种新型功能高分子材料, 它能吸收自身质量几百倍甚至上千倍的水, 吸水后的材料以凝胶的形式存在, 在外力或者加压的情况下水分也不会流失,所以具有良好的保水能力, 故高吸水性材料在工业、农业、医疗卫生等各个行业都有着重要的作用。
在光纤、光缆制造中, 通常用油膏进行缆内填充, 以防潮防水, 保障使用性能,延长其使用寿命。以往这类油膏一般是采用热填充,填充冷却后, 由于填充油膏冷收缩,易产生空隙, 不能达到完全阻水的作用;膨胀型光缆阻水油膏是目前国际上最新型的光缆阻水材料, 这种油膏既具有触变性疏水油膏的特性, 同时还有吸水膨胀的能力, 将这种油膏填充于光缆间, 既使护套破损有水渗人, 它亦能迅速吸收水分后膨胀形成一致密的防水层, 阻挡水分的进一步渗人, 从而避免因油膏未填充满而导致水流顺着填充物间隙流入、和耐水压试验不合格的问题。但是, 由于常规吸水剂与油膏基体的相容性较差,因此常常直接影响其分散稳定性和低温稳定性。
发明内容
本发明旨在解决现有技术中的问题,提供一种吸水膨胀树脂,该树脂具有较好的分散稳定性和低温稳定性。
为了实现上述发明目的,其具体的技术方案如下:
一种吸水膨胀树脂,其特征在于:包括以下按照重量份数计的原料:
丙烯酰胺 20-25份
蒙脱土 20-30份
丙烯酸钠 20-25份
丙烯酸丁酯 10-20份
吐温-10 3-5份
十二烷基磺酸钠 3-5份
氢氧化钠 2-4份
亚甲基双丙烯酰胺 1-2份
羟甲基丙烯酰胺 3-5份
双甲基丙烯酸乙二醇酯 1-2份
丙烯腈 3-5份
α-烯烃油 20-25份
60#机油 10-20份
润滑油 10-20份。
一种吸水膨胀树脂的制备方法,其特征在于:包括以下工艺步骤:
A、分别配制丙烯酸胺、丙烯酸钠和蒙脱土以蒸馏水或去离子水搅拌条件下配成水溶液;加入十二烷基苯磺酸钠、吐温-10,搅拌混合均匀,备用;
B、加入丙烯酸丁酯、丙烯腈、α-烯烃油、60#机油和润滑油,在搅拌条件下进行乳化1h;
C、乳化结束后加入亚甲基双丙烯酰胺、羟甲基丙烯酰胺、双甲基丙烯酸乙二醇酯;将上述所配置的乳液在氮气保护下,置于Co60射线辐照室内进行辐照聚合反应;
D、控制辐照水温在30-40℃之间,辐照时间为1.5-2.0h,使辐照计量到达要求后,冷却、取出已聚合成凝胶状的聚合物;对所合成的凝胶状聚合物进行干燥、粉碎成干粉状,得到产品。
本发明带来的有益技术效果:
本发明利用辐射聚合方法合成亲油改性的吸水剂可以大大提高其与基础油的相容性,从而改善其分散稳定性, 提高其抗低温性、吸水速度和阻水能力。
具体实施方式
实施例1
一种吸水膨胀树脂,包括以下按照重量份数计的原料:
丙烯酰胺 20份
蒙脱土 20份
丙烯酸钠 20份
丙烯酸丁酯 10份
吐温-10 3份
十二烷基磺酸钠 3份
氢氧化钠 2份
亚甲基双丙烯酰胺 1份
羟甲基丙烯酰胺 3份
双甲基丙烯酸乙二醇酯 1份
丙烯腈 3份
α-烯烃油 20份
60#机油 10份
润滑油 10份。
实施例2
一种吸水膨胀树脂,包括以下按照重量份数计的原料:
丙烯酰胺 25份
蒙脱土 30份
丙烯酸钠 25份
丙烯酸丁酯 20份
吐温-10 5份
十二烷基磺酸钠 5份
氢氧化钠 4份
亚甲基双丙烯酰胺 2份
羟甲基丙烯酰胺 3-5份
双甲基丙烯酸乙二醇酯 2份
丙烯腈 5份
α-烯烃油 25份
60#机油 20份
润滑油 20份。
实施例3
一种吸水膨胀树脂,包括以下按照重量份数计的原料:
丙烯酰胺 23份
蒙脱土 25份
丙烯酸钠 23份
丙烯酸丁酯 15份
吐温-10 4份
十二烷基磺酸钠 4份
氢氧化钠 3份
亚甲基双丙烯酰胺 1.5份
羟甲基丙烯酰胺 4份
双甲基丙烯酸乙二醇酯 1.5份
丙烯腈 4份
α-烯烃油 22份
60#机油 15份
润滑油 15份。
实施例4
一种吸水膨胀树脂的制备方法,包括以下工艺步骤:
A、分别配制丙烯酸胺、丙烯酸钠和蒙脱土以蒸馏水或去离子水搅拌条件下配成水溶液;加入十二烷基苯磺酸钠、吐温-10,搅拌混合均匀,备用;
B、加入丙烯酸丁酯、丙烯腈、α-烯烃油、60#机油和润滑油,在搅拌条件下进行乳化1h;
C、乳化结束后加入亚甲基双丙烯酰胺、羟甲基丙烯酰胺、双甲基丙烯酸乙二醇酯;将上述所配置的乳液在氮气保护下,置于Co60射线辐照室内进行辐照聚合反应;
D、控制辐照水温在30℃之间,辐照时间为1.5h,使辐照计量到达要求后,冷却、取出已聚合成凝胶状的聚合物;对所合成的凝胶状聚合物进行干燥、粉碎成干粉状,得到产品。
实施例5
一种吸水膨胀树脂的制备方法,包括以下工艺步骤:
A、分别配制丙烯酸胺、丙烯酸钠和蒙脱土以蒸馏水或去离子水搅拌条件下配成水溶液;加入十二烷基苯磺酸钠、吐温-10,搅拌混合均匀,备用;
B、加入丙烯酸丁酯、丙烯腈、α-烯烃油、60#机油和润滑油,在搅拌条件下进行乳化1h;
C、乳化结束后加入亚甲基双丙烯酰胺、羟甲基丙烯酰胺、双甲基丙烯酸乙二醇酯;将上述所配置的乳液在氮气保护下,置于Co60射线辐照室内进行辐照聚合反应;
D、控制辐照水温在40℃之间,辐照时间为2.0h,使辐照计量到达要求后,冷却、取出已聚合成凝胶状的聚合物;对所合成的凝胶状聚合物进行干燥、粉碎成干粉状,得到产品。
实施例6
一种吸水膨胀树脂的制备方法,包括以下工艺步骤:
A、分别配制丙烯酸胺、丙烯酸钠和蒙脱土以蒸馏水或去离子水搅拌条件下配成水溶液;加入十二烷基苯磺酸钠、吐温-10,搅拌混合均匀,备用;
B、加入丙烯酸丁酯、丙烯腈、α-烯烃油、60#机油和润滑油,在搅拌条件下进行乳化1h;
C、乳化结束后加入亚甲基双丙烯酰胺、羟甲基丙烯酰胺、双甲基丙烯酸乙二醇酯;将上述所配置的乳液在氮气保护下,置于Co60射线辐照室内进行辐照聚合反应;
D、控制辐照水温在35℃之间,辐照时间为1.7h,使辐照计量到达要求后,冷却、取出已聚合成凝胶状的聚合物;对所合成的凝胶状聚合物进行干燥、粉碎成干粉状,得到产品。
Claims (2)
1.一种吸水膨胀树脂,其特征在于:包括以下按照重量份数计的原料:
丙烯酰胺 20-25份
蒙脱土 20-30份
丙烯酸钠 20-25份
丙烯酸丁酯 10-20份
吐温-10 3-5份
十二烷基磺酸钠 3-5份
氢氧化钠 2-4份
亚甲基双丙烯酰胺 1-2份
羟甲基丙烯酰胺 3-5份
双甲基丙烯酸乙二醇酯 1-2份
丙烯腈 3-5份
α-烯烃油 20-25份
60#机油 10-20份
润滑油 10-20份。
2.根据权利要求1所述的一种吸水膨胀树脂的制备方法,其特征在于:包括以下工艺步骤:
A、分别配制丙烯酸胺、丙烯酸钠和蒙脱土以蒸馏水或去离子水搅拌条件下配成水溶液;加入十二烷基苯磺酸钠、吐温-10,搅拌混合均匀,备用;
B、加入丙烯酸丁酯、丙烯腈、α-烯烃油、60#机油和润滑油,在搅拌条件下进行乳化1h;
C、乳化结束后加入亚甲基双丙烯酰胺、羟甲基丙烯酰胺、双甲基丙烯酸乙二醇酯;将上述所配置的乳液在氮气保护下,置于Co60射线辐照室内进行辐照聚合反应;
D、控制辐照水温在30-40℃之间,辐照时间为1.5-2.0h,使辐照计量到达要求后,冷却、取出已聚合成凝胶状的聚合物;对所合成的凝胶状聚合物进行干燥、粉碎成干粉状,得到产品。
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Citations (3)
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CN1349228A (zh) * | 2001-11-26 | 2002-05-15 | 湖北省化学研究所 | 光缆或电缆用高吸水膨胀型阻水纱 |
CN1563155A (zh) * | 2004-04-05 | 2005-01-12 | 江苏省化工研究所有限公司 | 一种由吸水膨胀树脂制得的遇水膨胀橡胶及其制备方法 |
CN102005264A (zh) * | 2009-08-31 | 2011-04-06 | 上海鸿辉光通材料有限公司 | 光电缆用阻燃阻水填充膏及其制备方法 |
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CN1349228A (zh) * | 2001-11-26 | 2002-05-15 | 湖北省化学研究所 | 光缆或电缆用高吸水膨胀型阻水纱 |
CN1563155A (zh) * | 2004-04-05 | 2005-01-12 | 江苏省化工研究所有限公司 | 一种由吸水膨胀树脂制得的遇水膨胀橡胶及其制备方法 |
CN102005264A (zh) * | 2009-08-31 | 2011-04-06 | 上海鸿辉光通材料有限公司 | 光电缆用阻燃阻水填充膏及其制备方法 |
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Title |
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