CN113861551A - 一种废旧纺织品再生制造的隔音材料及其生产工艺 - Google Patents
一种废旧纺织品再生制造的隔音材料及其生产工艺 Download PDFInfo
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Abstract
本发明公开了一种废旧纺织品再生制造的隔音材料及其生产工艺,由熔融料与纤维骨架复合制得;熔融料包括如下重量份原料:EVA树脂100‑120份、玻璃纤维30‑50份、纳米二氧化硅10‑15份、碳酸钙10‑15份、氢氧化铝40‑50份;熔融料以EVA树脂为基料,加入玻璃纤维、纳米二氧化硅、碳酸钙,使得制备出的隔音材料具有很好的隔音效果,同时加入氢氧化铝使得熔融料具有一定的阻燃效果,纤维骨架增强了隔音材料的韧性,同时与传统隔音阻燃材料不同,该材料不是由阻燃剂与隔音材料共混制得,纤维骨架内部的阻燃成分分散的更为均匀,同时不会随着隔音材料的长时间使用出现脱落,进而保证了隔音材料的阻燃效果。
Description
技术领域
本发明涉及隔音材料制备技术领域,具体涉及一种废旧纺织品再生制造的隔音材料及其生产工艺。
背景技术
随着城市化的不断加速,噪音污染也变得越来越严重,为了有效地隔断噪音,通常的解决方式是使用隔音材料,现有的隔音材料一般为水泥混凝土、玻璃板等,这些隔音材料的隔音效果并不是很好,因此通常的解决办法是加大隔音材料的厚度,但这样造成的问题是隔音材料质量过重,成本过高,安装过程十分不便;
EVA具有一定的隔水隔热和防震性能,而且无毒、环保及美观,常用来作为隔热保温材料,现有的隔音材料弯曲强度低,在安装和使用过程中易出现损坏,同时自身阻燃效果差,部分隔音材料为提升阻燃效果,会在制备时共混阻燃剂,使得在使用一段时间后,隔音材料会出现颗粒脱落,进而影响正常使用。
发明内容
本发明的目的在于提供一种废旧纺织品再生制造的隔音材料及其生产工艺,通过纤维骨架解决了现阶段隔音材料弯曲强度低,阻燃效果差,长时间使用后自身性能出现大幅下降的问题。
本发明的目的可以通过以下技术方案实现:
一种废旧纺织品再生制造的隔音材料,由熔融料与纤维骨架复合制得;
所述的熔融料包括如下重量份原料:EVA树脂100-120份、玻璃纤维30-50份、纳米二氧化硅10-15份、碳酸钙10-15份、氢氧化铝40-50份;
所述的隔音材料由如下步骤制成:
步骤S1:称取上述原料加入双螺杆挤出机,在温度为150-160℃的条件下,进行熔融挤出,制得熔融料;
步骤S2:将纤维骨架放入磨具中,加入熔融料,至熔融料完全包裹纤维骨架,进行压制并冷却,制得隔音材料。
进一步的,所述的纤维骨架由如下步骤制成:
步骤A1:将苯基磷酰二氯分散在四氢呋喃中,加入液态一氯甲烷和氯化铝,在转速为150-200r/min,温度为70-75℃的条件下,进行回流反应3-5h,制得中间体1,将哌嗪和氯仿混合均匀,在转速为200-300r/min,温度为-5-0℃的条件下,进行搅拌并加入三乙胺和中间体1,进行反应20-30min后,升温至温度为20-30℃,继续反应2-3h,制得中间体2;
反应过程如下:
步骤A2:将中间体2溶于四氢呋喃中,在转速为150-200r/min,温度为-5-0℃的条件下,进行搅拌并加入三氯氧磷和三乙胺,进行反应30-40min后,升温至温度为70-75℃,回流反应10-15h,制得中间体3,将中间体3、对羟基苯甲醛、三乙胺、四氢呋喃混合均匀后,在温度为70-80℃的条件下,进行回流反应20-25h后,加入苯胺,在温度为50-60℃的条件下,进行反应15-20h后,加入DOPO,升温至温度为70-80℃,继续反应10-15h,制得中间体4;
反应过程如下:
步骤A3:将中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳加入反应釜,在温度为80-90℃的条件下,进行反应8-10h,制得中间体5,将中间体5、碳酸钾、去离子水、溴化四乙基铵加入反应釜中,进行回流反应2-3h,制得中间体6,将中间体6、丙烯酸、甲苯、浓硫酸混合均匀后,在温度为115-120℃的条件下,回流反应8-10h,制得中间体7;
反应过程如下:
步骤A4:将环氧树脂E-51溶于二甲苯中,加入对羟基苯甲醚,在转速为150-200r/min,温度为85-95℃的条件下,进行搅拌并加入丙烯酸和三乙胺,进行反应4-6h,制得环氧丙烯酸树脂,将环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、二甲苯加入反应釜中,在转速为150-200r/min,温度为100-110℃的条件下,进行搅拌并加入偶氮二异丁腈,进行反应1-2h后,加入过氧化苯甲酰,继续反应2-3h,制得改性树脂;
反应过程如下:
步骤A5:将改性树脂溶于二甲苯中,加入纤维束,在频率为60-80kHz的条件下,进行超声处理2-4h,制得纺丝液,用纺丝液以0.8mL/L的速度,进行湿法纺丝,制得复合纤维,将复合纤维进行编织,制得纤维骨架。
进一步的,步骤A1所述的苯基磷酰二氯和一氯甲烷的用量摩尔比为1:1,哌嗪和中间体1的用量比为2:1。
进一步的,步骤A2所述的中间体2和三氯氧磷的用量摩尔比为1:2,中间体3、对羟基苯甲醛、苯胺、DOPO的用量摩尔比为1:4:4:4。
进一步的,步骤A3所述的中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳的用量比为0.2mol:0.2mol:0.3g:300mL,中间体1、碳酸钾、去离子水、溴化四乙基铵的用量比为3.5g:9g:100mL:5mL,中间体6和丙烯酸的用量摩尔比为1:1。
进一步的,步骤A4所述的环氧树脂E-51和丙烯酸的用量摩尔比为1:1,环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、偶氮二异丁腈、过氧化苯甲酰的用量质量比为20:15:2:0.45:0.3。
进一步的,步骤A5所述的改性树脂、二甲苯、纤维束的用量比为2g:15mL:1g。
本发明的有益效果:本发明制备一种废旧纺织品再生制造的隔音材料,通过熔融料与纤维骨架复合制得,熔融料以EVA树脂为基料,加入玻璃纤维、纳米二氧化硅、碳酸钙,使得制备出的隔音材料具有很好的隔音效果,同时加入氢氧化铝使得熔融料具有一定的阻燃效果,该纤维骨架以苯基磷酰二氯为原料与一氯甲烷反应,制得中间体1,再将中间体1与哌嗪进行反应,制得中间体2,将中间体2与三氯氧磷反应,制得中间体3,将中间体3和对羟基苯甲醛进行反应后,在依次与苯胺和DOPO反应,制得中间体4,将中间体4用N-溴代丁二酰亚胺处理,制得中间体5,将中间体5进一步的处理,制得中间体6,将中间体6与丙烯酸进行酯化反应,制得中间体7,将环氧树脂E-51与丙烯酸进行反应,制得环氧丙烯酸树脂,将环氧丙烯酸树脂与中间体7和甲基丙烯酸甲酯,进行聚合,制得改性树脂,再将改性树脂与纤维束进行超声处理,制得纺丝液,将纺丝液进行湿法纺丝制得复合纤维,将复合纤维进行编织,制得纤维骨架,该纤维骨架增强了隔音材料的韧性,同时与传统隔音阻燃材料不同,该材料不是由阻燃剂与隔音材料共混制得,纤维骨架内部的阻燃成分分散的更为均匀,同时不会随着隔音材料的长时间使用出现脱落,进而保证了隔音材料的阻燃效果。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
一种废旧纺织品再生制造的隔音材料,由熔融料与纤维骨架复合制得;
熔融料包括如下重量份原料:EVA树脂100份、玻璃纤维30份、纳米二氧化硅10份、碳酸钙10份、氢氧化铝40份;
隔音材料由如下步骤制成:
步骤S1:称取上述原料加入双螺杆挤出机,在温度为150℃的条件下,进行熔融挤出,制得熔融料;
步骤S2:将纤维骨架放入磨具中,加入熔融料,至熔融料完全包裹纤维骨架,进行压制并冷却,制得隔音材料。
纤维骨架由如下步骤制成:
步骤A1:将苯基磷酰二氯分散在四氢呋喃中,加入液态一氯甲烷和氯化铝,在转速为150r/min,温度为70℃的条件下,进行回流反应3h,制得中间体1,将哌嗪和氯仿混合均匀,在转速为200r/min,温度为-5℃的条件下,进行搅拌并加入三乙胺和中间体1,进行反应20min后,升温至温度为20℃,继续反应2h,制得中间体2;
步骤A2:将中间体2溶于四氢呋喃中,在转速为150r/min,温度为-5℃的条件下,进行搅拌并加入三氯氧磷和三乙胺,进行反应30min后,升温至温度为70℃,回流反应10h,制得中间体3,将中间体3、对羟基苯甲醛、三乙胺、四氢呋喃混合均匀后,在温度为70℃的条件下,进行回流反应20h后,加入苯胺,在温度为50℃的条件下,进行反应15h后,加入DOPO,升温至温度为70℃,继续反应10h,制得中间体4;
步骤A3:将中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳加入反应釜,在温度为80℃的条件下,进行反应8h,制得中间体5,将中间体5、碳酸钾、去离子水、溴化四乙基铵加入反应釜中,进行回流反应2h,制得中间体6,将中间体6、丙烯酸、甲苯、浓硫酸混合均匀后,在温度为115℃的条件下,回流反应8h,制得中间体7;
步骤A4:将环氧树脂E-51溶于二甲苯中,加入对羟基苯甲醚,在转速为150r/min,温度为85℃的条件下,进行搅拌并加入丙烯酸和三乙胺,进行反应4h,制得环氧丙烯酸树脂,将环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、二甲苯加入反应釜中,在转速为150r/min,温度为100℃的条件下,进行搅拌并加入偶氮二异丁腈,进行反应1h后,加入过氧化苯甲酰,继续反应2h,制得改性树脂;
步骤A5:将改性树脂溶于二甲苯中,加入纤维束,在频率为60kHz的条件下,进行超声处理2h,制得纺丝液,用纺丝液以0.8mL/L的速度,进行湿法纺丝,制得复合纤维,将复合纤维进行编织,制得纤维骨架。
纤维束由如下步骤制成:
步骤B1:将废旧纺织品用质量分数30%的氢氧化钠溶液浸泡20min后,过清水,再用质量分数20%的氯化钠溶液浸泡20min后,过清水,得到预处理纺织品;
步骤B2:将预处理纺织品进行切割干撕,在进行松解、开松形成再生棉,抽成纤维束。
实施例2
一种废旧纺织品再生制造的隔音材料,由熔融料与纤维骨架复合制得;
熔融料包括如下重量份原料:EVA树脂110份、玻璃纤维40份、纳米二氧化硅13份、碳酸钙13份、氢氧化铝45份;
隔音材料由如下步骤制成:
步骤S1:称取上述原料加入双螺杆挤出机,在温度为155℃的条件下,进行熔融挤出,制得熔融料;
步骤S2:将纤维骨架放入磨具中,加入熔融料,至熔融料完全包裹纤维骨架,进行压制并冷却,制得隔音材料。
纤维骨架由如下步骤制成:
步骤A1:将苯基磷酰二氯分散在四氢呋喃中,加入液态一氯甲烷和氯化铝,在转速为180r/min,温度为73℃的条件下,进行回流反应4h,制得中间体1,将哌嗪和氯仿混合均匀,在转速为300r/min,温度为-3℃的条件下,进行搅拌并加入三乙胺和中间体1,进行反应25min后,升温至温度为25℃,继续反应2.5h,制得中间体2;
步骤A2:将中间体2溶于四氢呋喃中,在转速为180r/min,温度为-3℃的条件下,进行搅拌并加入三氯氧磷和三乙胺,进行反应35min后,升温至温度为73℃,回流反应13h,制得中间体3,将中间体3、对羟基苯甲醛、三乙胺、四氢呋喃混合均匀后,在温度为75℃的条件下,进行回流反应23h后,加入苯胺,在温度为55℃的条件下,进行反应18h后,加入DOPO,升温至温度为75℃,继续反应13h,制得中间体4;
步骤A3:将中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳加入反应釜,在温度为85℃的条件下,进行反应9h,制得中间体5,将中间体5、碳酸钾、去离子水、溴化四乙基铵加入反应釜中,进行回流反应2.5h,制得中间体6,将中间体6、丙烯酸、甲苯、浓硫酸混合均匀后,在温度为118℃的条件下,回流反应9h,制得中间体7;
步骤A4:将环氧树脂E-51溶于二甲苯中,加入对羟基苯甲醚,在转速为180r/min,温度为90℃的条件下,进行搅拌并加入丙烯酸和三乙胺,进行反应5h,制得环氧丙烯酸树脂,将环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、二甲苯加入反应釜中,在转速为180r/min,温度为105℃的条件下,进行搅拌并加入偶氮二异丁腈,进行反应1.5h后,加入过氧化苯甲酰,继续反应2.5h,制得改性树脂;
步骤A5:将改性树脂溶于二甲苯中,加入纤维束,在频率为70kHz的条件下,进行超声处理3h,制得纺丝液,用纺丝液以0.8mL/L的速度,进行湿法纺丝,制得复合纤维,将复合纤维进行编织,制得纤维骨架。
纤维束由如下步骤制成:
步骤B1:将废旧纺织品用质量分数30%的氢氧化钠溶液浸泡25min后,过清水,再用质量分数20%的氯化钠溶液浸泡25min后,过清水,得到预处理纺织品;
步骤B2:将预处理纺织品进行切割干撕,在进行松解、开松形成再生棉,抽成纤维束。
实施例3
一种废旧纺织品再生制造的隔音材料,由熔融料与纤维骨架复合制得;
熔融料包括如下重量份原料:EVA树脂120份、玻璃纤维50份、纳米二氧化硅15份、碳酸钙15份、氢氧化铝50份;
隔音材料由如下步骤制成:
步骤S1:称取上述原料加入双螺杆挤出机,在温度为160℃的条件下,进行熔融挤出,制得熔融料;
步骤S2:将纤维骨架放入磨具中,加入熔融料,至熔融料完全包裹纤维骨架,进行压制并冷却,制得隔音材料。
纤维骨架由如下步骤制成:
步骤A1:将苯基磷酰二氯分散在四氢呋喃中,加入液态一氯甲烷和氯化铝,在转速为200r/min,温度为75℃的条件下,进行回流反应5h,制得中间体1,将哌嗪和氯仿混合均匀,在转速为300r/min,温度为0℃的条件下,进行搅拌并加入三乙胺和中间体1,进行反应30min后,升温至温度为30℃,继续反应3h,制得中间体2;
步骤A2:将中间体2溶于四氢呋喃中,在转速为200r/min,温度为0℃的条件下,进行搅拌并加入三氯氧磷和三乙胺,进行反应40min后,升温至温度为75℃,回流反应15h,制得中间体3,将中间体3、对羟基苯甲醛、三乙胺、四氢呋喃混合均匀后,在温度为80℃的条件下,进行回流反应25h后,加入苯胺,在温度为60℃的条件下,进行反应20h后,加入DOPO,升温至温度为80℃,继续反应15h,制得中间体4;
步骤A3:将中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳加入反应釜,在温度为90℃的条件下,进行反应10h,制得中间体5,将中间体5、碳酸钾、去离子水、溴化四乙基铵加入反应釜中,进行回流反应3h,制得中间体6,将中间体6、丙烯酸、甲苯、浓硫酸混合均匀后,在温度为120℃的条件下,回流反应10h,制得中间体7;
步骤A4:将环氧树脂E-51溶于二甲苯中,加入对羟基苯甲醚,在转速为200r/min,温度为95℃的条件下,进行搅拌并加入丙烯酸和三乙胺,进行反应6h,制得环氧丙烯酸树脂,将环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、二甲苯加入反应釜中,在转速为200r/min,温度为110℃的条件下,进行搅拌并加入偶氮二异丁腈,进行反应2h后,加入过氧化苯甲酰,继续反应3h,制得改性树脂;
步骤A5:将改性树脂溶于二甲苯中,加入纤维束,在频率为80kHz的条件下,进行超声处理4h,制得纺丝液,用纺丝液以0.8mL/L的速度,进行湿法纺丝,制得复合纤维,将复合纤维进行编织,制得纤维骨架。
纤维束由如下步骤制成:
步骤B1:将废旧纺织品用质量分数30%的氢氧化钠溶液浸泡30min后,过清水,再用质量分数20%的氯化钠溶液浸泡30min后,过清水,得到预处理纺织品;
步骤B2:将预处理纺织品进行切割干撕,在进行松解、开松形成再生棉,抽成纤维束。
对比例1
本对比例与实施例1相比未使用纤维骨架,将熔融料直接进行压制冷却。
对比例2
本对比例为中国专利CN111362237A公开的隔音材料。
对比例3
本对比例为中国专利CN109880269A公开的隔音材料。
将实施例1-3和对比例1-3制得的隔音材料依照GB/T 9341-2008的标准检测弯曲强度,同时依照UL94HB的标准检测阻燃效果,结果如下表所示;
由上表可知实施例1-3制得的隔音材料的弯曲强度为113.9-118.2MPa,阻燃等级为V0,烟气生成率为0.128-0.132m2/s2,在使用6个月后阻燃等级未出现下降趋势,同时也未出现颗粒脱落现象,表明本发明具有很好的机械性能以及阻燃效果。
以上内容仅仅是对本发明的构思所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明的构思或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (8)
1.一种废旧纺织品再生制造的隔音材料,其特征在于:由熔融料与纤维骨架复合制得;
所述的纤维骨架由如下步骤制成:
步骤A1:将苯基磷酰二氯分散在四氢呋喃中,加入液态一氯甲烷和氯化铝,回流反应,制得中间体1,将哌嗪和氯仿混合均匀,进行搅拌并加入三乙胺和中间体1,进行反应后,升温反应,制得中间体2;
步骤A2:将中间体2溶于四氢呋喃中,进行搅拌并加入三氯氧磷和三乙胺,进行反应后,再回流反应,制得中间体3,将中间体3、对羟基苯甲醛、三乙胺、四氢呋喃混合均匀后,回流反应,加入苯胺,继续反应,再加入DOPO,升温反应,制得中间体4;
步骤A3:将中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳混合反应,制得中间体5,将中间体5、碳酸钾、去离子水、溴化四乙基铵加入反应釜中,回流反应,制得中间体6,将中间体6、丙烯酸、甲苯、浓硫酸混合均匀后,回流反应,制得中间体7;
步骤A4:将环氧树脂E-51溶于二甲苯中,加入对羟基苯甲醚,进行搅拌并加入丙烯酸和三乙胺,进行反应,制得环氧丙烯酸树脂,将环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、二甲苯加入反应釜中,进行搅拌并加入偶氮二异丁腈,进行反应后,加入过氧化苯甲酰,继续反应,制得改性树脂;
步骤A5:将改性树脂溶于二甲苯中,加入纤维束,进行超声处理,制得纺丝液,用纺丝液湿法纺丝,制得复合纤维,将复合纤维进行编织,制得纤维骨架。
2.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料,其特征在于:步骤A1所述的苯基磷酰二氯和一氯甲烷的用量摩尔比为1:1,哌嗪和中间体1的用量比为2:1。
3.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料,其特征在于:步骤A2所述的中间体2和三氯氧磷的用量摩尔比为1:2,中间体3、对羟基苯甲醛、苯胺、DOPO的用量摩尔比为1:4:4:4。
4.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料,其特征在于:步骤A3所述的中间体4、N-溴代丁二酰亚胺、过氧化苯甲酰、四氯化碳的用量比为0.2mol:0.2mol:0.3g:300mL,中间体1、碳酸钾、去离子水、溴化四乙基铵的用量比为3.5g:9g:100mL:5mL,中间体6和丙烯酸的用量摩尔比为1:1。
5.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料,其特征在于:步骤A4所述的环氧树脂E-51和丙烯酸的用量摩尔比为1:1,环氧丙烯酸树脂、中间体7、甲基丙烯酸甲酯、偶氮二异丁腈、过氧化苯甲酰的用量质量比为20:15:2:0.45:0.3。
6.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料,其特征在于:步骤A5所述的改性树脂、二甲苯、纤维束的用量比为2g:15mL:1g。
7.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料,其特征在于:所述的纤维束由如下步骤制成:
步骤B1:将废旧纺织品用氢氧化钠溶液浸泡后,过清水,再用氯化钠溶液浸泡20-30min后,过清水,得到预处理纺织品;
步骤B2:将预处理纺织品进行切割干撕,在进行松解、开松形成再生棉,抽成纤维束。
8.根据权利要求1所述的一种废旧纺织品再生制造的隔音材料的生产工艺,其特征在于:具体包括如下步骤:
步骤S1:称取EVA树脂、玻璃纤维、纳米二氧化硅、碳酸钙、氢氧化铝,加入双螺杆挤出机,进行熔融挤出,制得熔融料;
步骤S2:将纤维骨架放入磨具中,加入熔融料,至熔融料完全包裹纤维骨架,进行压制并冷却,制得隔音材料。
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