CN106832572A - 一种聚丙烯无纺布改性材料 - Google Patents

一种聚丙烯无纺布改性材料 Download PDF

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CN106832572A
CN106832572A CN201611198844.7A CN201611198844A CN106832572A CN 106832572 A CN106832572 A CN 106832572A CN 201611198844 A CN201611198844 A CN 201611198844A CN 106832572 A CN106832572 A CN 106832572A
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程晓琳
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Ma'anshan Xincheng Nanometer New Mstar Technology Ltd
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Abstract

本发明属于无纺布技术领域，具体涉及一种聚丙烯无纺布改性材料，由以下成分制成：聚丙烯、木质素、苯基甲基二甲氧基硅烷、环氧树脂、柠檬酸三乙酯、环氧大豆油、魔芋葡甘露聚糖、聚乙烯醇、玻璃纤维、乙酰化木粉。本发明方法制备的聚丙烯无纺布改性材料比重较轻，韧性强，抗拉能力强，具有高断裂强力，耐冲击性能强，耐紫外线老化性能好，制备方法简单，本发明制备的聚丙烯无纺布改性材料制成的无纺布强度高、耐磨性好，能够吸附有害气体和异味，防霉性极好，染色牢度高，尤其是日晒牢度高达6级以上。

Description

一种聚丙烯无纺布改性材料
技术领域
本发明属于无纺布技术领域，具体涉及一种聚丙烯无纺布改性材料。
背景技术
无纺布又称不织布，是由定向的或随机的纤维而构成，是新一代环保材料，具有防潮、透气、柔韧、质轻、不助燃、容易分解、无毒无刺激性、色彩丰富、价格低廉、可循环再用等特点。多采用聚丙烯粒料为原料，经高温熔融、喷丝、铺纲、热压卷取连续一步法生产而成。目前，无纺布虽然有许多优良的特性，但是，其与常规布料相比，其比重较大，韧性不强，断裂强力低，抗拉能力不强，耐冲击性能低，染色牢度低，限制了其在工农业上的应用。
发明内容
本发明的目的是针对现有的问题，提供了一种聚丙烯无纺布改性材料。
本发明是通过以下技术方案实现的：一种聚丙烯无纺布改性材料，按重量份计由以下成分制成：聚丙烯80-90、木质素3-6、苯基甲基二甲氧基硅烷4-7、环氧树脂3-5、柠檬酸三乙酯1-3、环氧大豆油4-6、魔芋葡甘露聚糖0.6-0.8、聚乙烯醇0.2-0.5、玻璃纤维1.0-1.4、乙酰化木粉1.5-1.8。
进一步的，所述乙酰化木粉制备方法为：
a配制原料按1：0.1：4：3：0.02质量比例依次配制以下原料：黑胡桃木粉、柳木粉、冰醋酸、马来酸酐、催化剂；其中黑胡桃木粉的粒度为800目，柳木粉粒度为700目，催化剂为浓硫酸；
b将黑胡桃木粉与柳木粉混合均匀后，采用质量浓度为10%的乙醇溶液浸泡15min，然后过滤，洗涤，再采用质量浓度为0.35%的次氯酸钠溶液浸泡5min，过滤过滤，洗涤，在120℃下烘干，得到混合木粉：
c将混合木粉与冰醋酸均匀混合，搅拌均匀后置于超声波的环境下进行活化处理4min，超声功率800W；
d再添加马来酸酐及催化剂，搅拌10min后，置于微波反应仪进行处理10min，微波功率250W，然后保温于80℃下2小时，再过滤，清水洗涤，烘干，即得。
进一步的，所述玻璃纤维直径为22μm。
进一步的，所述聚丙烯为等规聚丙烯。
一种聚丙烯无纺布改性材料的制备方法，将聚丙烯送入预混机预混10min，进入高速搅拌机搅拌 12min，料温控制在62℃，加入木质素、苯基甲基二甲氧基硅烷、环氧树脂，继续搅拌12min，加入柠檬酸三乙酯、环氧大豆油、魔芋葡甘露聚糖、聚乙烯醇、玻璃纤维、乙酰化木粉，继续搅拌12min后，放料于低速冷搅机中，搅拌冷却至30℃，保温20min，然后添加到双螺杆挤出机中进行造粒，即可。
本发明有益效果：本发明方法制备的聚丙烯无纺布改性材料比重较轻，韧性强，抗拉能力强，具有高断裂强力，耐冲击性能强，耐紫外线老化性能好，制备方法简单，本发明制备的聚丙烯无纺布改性材料制成的无纺布强度高、耐磨性好，能够吸附有害气体和异味，防霉性极好，染色牢度高，尤其是日晒牢度高达6级以上，具有一定的阻燃效果，并且具有一定的防静电性，本发明通过大量的试验研究对聚丙烯无纺布材料进行改性，能够增强无纺布的整体结构强度，且质感和手感优异，综合性能好，市场前景广阔，可广泛应用于农用薄膜，制鞋，制革，床垫，子母被，装饰，化工，印刷，汽车，建材，家具，医用等行业。
具体实施方式
实施例1
一种聚丙烯无纺布改性材料，按重量份计由以下成分制成：聚丙烯80、木质素3、苯基甲基二甲氧基硅烷4、环氧树脂3、柠檬酸三乙酯1、环氧大豆油4、魔芋葡甘露聚糖0.6、聚乙烯醇0.2、玻璃纤维1.0、乙酰化木粉1.5。
实施例2
一种聚丙烯无纺布改性材料，按重量份计由以下成分制成：聚丙烯90、木质素6、苯基甲基二甲氧基硅烷7、环氧树脂5、柠檬酸三乙酯3、环氧大豆油6、魔芋葡甘露聚糖0.8、聚乙烯醇0.5、玻璃纤维1.4、乙酰化木粉1.8。
实施例3
一种聚丙烯无纺布改性材料，按重量份计由以下成分制成：聚丙烯85、木质素4、苯基甲基二甲氧基硅烷5、环氧树脂4、柠檬酸三乙酯2、环氧大豆油5、魔芋葡甘露聚糖0.7、聚乙烯醇0.3、玻璃纤维1.2、乙酰化木粉1.6。
以上实施例中：
所述乙酰化木粉制备方法为：
a配制原料按1：0.1：4：3：0.02质量比例依次配制以下原料：黑胡桃木粉、柳木粉、冰醋酸、马来酸酐、催化剂；其中黑胡桃木粉的粒度为800目，柳木粉粒度为700目，催化剂为浓硫酸；
b将黑胡桃木粉与柳木粉混合均匀后，采用质量浓度为10%的乙醇溶液浸泡15min，然后过滤，洗涤，再采用质量浓度为0.35%的次氯酸钠溶液浸泡5min，过滤过滤，洗涤，在120℃下烘干，得到混合木粉：
c将混合木粉与冰醋酸均匀混合，搅拌均匀后置于超声波的环境下进行活化处理4min，超声功率800W；
d再添加马来酸酐及催化剂，搅拌10min后，置于微波反应仪进行处理10min，微波功率250W，然后保温于80℃下2小时，再过滤，清水洗涤，烘干，即得。
所述玻璃纤维直径为22μm。
所述聚丙烯为等规聚丙烯。
一种聚丙烯无纺布改性材料的制备方法，将聚丙烯送入预混机预混10min，进入高速搅拌机搅拌 12min，料温控制在62℃，加入木质素、苯基甲基二甲氧基硅烷、环氧树脂，继续搅拌12min，加入柠檬酸三乙酯、环氧大豆油、魔芋葡甘露聚糖、聚乙烯醇、玻璃纤维、乙酰化木粉，继续搅拌12min后，放料于低速冷搅机中，搅拌冷却至30℃，保温20min，然后添加到双螺杆挤出机中进行造粒，即可。
对比例1：与实施例1区别仅为不添加乙酰化木粉。
对比例2：与实施例1区别仅为不添加魔芋葡甘露聚糖。
对比例3：与实施例1区别仅为不添加苯基甲基二甲氧基硅烷。
对实施例、对比例制成的无纺布进行性能检测：
表1
缺口冲击强度kJ/m² 断裂伸长率%
实施例1 6.58 822.5
实施例2 6.56 821.9
实施例3 6.57 822.2
对比例1 5.92 784.6
对比例2 6.12 792.3
对比例3 6.32 815.4
由表1可以看出，本发明制备的无纺布性能更好。
经测试，本发明聚丙烯无纺布改性材料不添加乙酰化木粉，耐老化性能降低了12%左右。
日晒牢度：日晒牢度是指有颜色的织物受日光作用变色的程度。其测试方法是模拟日光照晒后的试样褪色程度与标准色样进行对比，分为8级，8级是最好成绩，1级最差：
实施例1、2、3制成的无纺布染色后的耐日晒牢度均达到了7级，而对比例1制成的无纺布染色后的耐日晒牢度为5级，对比例2制成的无纺布染色后的耐日晒牢度为6级。
洗涤牢度：水洗或皂洗牢度是指染色织物经过洗涤液洗涤后色泽变化的程度。通常采用灰色分级样卡作为评定标准，即依靠原样和试样褪色后的色差来进行评判。洗涤牢度分为5个等级，5级最好，1级最差：
实施例1、2、3制成的无纺布染色后的耐日晒牢度均达到了5级，而对比例1制成的无纺布染色后的耐日晒牢度为3级，对比例2制成的无纺布染色后的耐日晒牢度为4级。

Claims (5)

1.一种聚丙烯无纺布改性材料，其特征在于，按重量份计由以下成分制成：聚丙烯80-90、木质素3-6、苯基甲基二甲氧基硅烷4-7、环氧树脂3-5、柠檬酸三乙酯1-3、环氧大豆油4-6、魔芋葡甘露聚糖0.6-0.8、聚乙烯醇0.2-0.5、玻璃纤维1.0-1.4、乙酰化木粉1.5-1.8。
2.根据权利要求1所述的一种聚丙烯无纺布改性材料，其特征在于，所述乙酰化木粉制备方法为：
a配制原料按1：0.1：4：3：0.02质量比例依次配制以下原料：黑胡桃木粉、柳木粉、冰醋酸、马来酸酐、催化剂；其中黑胡桃木粉的粒度为800目，柳木粉粒度为700目，催化剂为浓硫酸；
b将黑胡桃木粉与柳木粉混合均匀后，采用质量浓度为10%的乙醇溶液浸泡15min，然后过滤，洗涤，再采用质量浓度为0.35%的次氯酸钠溶液浸泡5min，过滤过滤，洗涤，在120℃下烘干，得到混合木粉：
c将混合木粉与冰醋酸均匀混合，搅拌均匀后置于超声波的环境下进行活化处理4min，超声功率800W；
d再添加马来酸酐及催化剂，搅拌10min后，置于微波反应仪进行处理10min，微波功率250W，然后保温于80℃下2小时，再过滤，清水洗涤，烘干，即得。
3.根据权利要求1所述的一种聚丙烯无纺布改性材料，其特征在于，所述玻璃纤维直径为22μm。
4.根据权利要求1所述的一种聚丙烯无纺布改性材料，其特征在于，所述聚丙烯为等规聚丙烯。
5.根据权利要求1-4所述的一种聚丙烯无纺布改性材料的制备方法，其特征在于，将聚丙烯送入预混机预混10min，进入高速搅拌机搅拌 12min，料温控制在62℃，加入木质素、苯基甲基二甲氧基硅烷、环氧树脂，继续搅拌12min，加入柠檬酸三乙酯、环氧大豆油、魔芋葡甘露聚糖、聚乙烯醇、玻璃纤维、乙酰化木粉，继续搅拌12min后，放料于低速冷搅机中，搅拌冷却至30℃，保温20min，然后添加到双螺杆挤出机中进行造粒，即可。
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CN107574665A (zh) * 2017-08-29 2018-01-12 苏州市苏真床垫有限公司 一种亲水耐污染的聚丙烯无纺布及其制备方法
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