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 PDFInfo
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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
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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