CN108708071B - 一种超柔纺粘无纺布双加固成型工艺 - Google Patents
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Abstract
本发明提出了一种超柔纺粘无纺布双加固成型工艺,包括以下步骤:将原料充分混合喂入料斗,所述原料中各组分比:聚丙烯PP 81‑86.5份、丙烯基弹性体12.5‑16份、柔软母粒0.5‑1.5份、二氧化钛0.5‑1.5份,然后熔融过滤,然后进入纺丝系统,将纺出的丝经侧冷风冷却,获得初生长丝,将初生长丝进行气流牵伸,得到纤维网,纤维网在成网输送带的连续输送下喂入热轧机进行加固,热轧后进行水刺加固得到无纺布,通过抗菌处理系统对无纺布进行喷涂抗菌整理液,然后将无纺布输入到烘箱中进行烘燥,采用纺粘水刺双加固工艺进行无纺布的生产代替传统热风布生产,无纺布具有蓬松、柔软、亲肤的特性。本发明采用一种新型的非织造布的加工工艺,为以后非织造布的发展提供方向。
Description
技术领域
本发明涉及无纺布生产的技术领域,特别是一种超柔纺粘无纺布双加固成型工艺。
背景技术
无纺布即非织造布,它是直接利用高聚物切片、短纤维或长丝将纤维通过气流或机械成网,然后经过水刺、针刺或热轧加固,最后经过后整理形成的无编织的布料。纺粘无纺布:是将聚合物挤出、拉伸,形成连续长丝后,长丝铺设成网,纤网再经过自身粘合、热粘合、化学粘合或机械加固方法,使纤网变成无纺布;水刺无纺布:是将高压微细水流喷射到一层或多层纤维网上,使纤维相互缠结在一起,从而使纤网得以加固而具备一定强力,纺粘无纺布其手感不够柔软,而水刺无纺布手感舒适、柔软,但是其强力不足,现提出一种超柔纺粘无纺布双加固成型工艺。
发明内容
本发明的目的就是解决现有技术中的问题,提出一种超柔纺粘无纺布双加固成型工艺,先纺粘再水刺的工艺进行无纺布的生产,代替传统热风布生产,无纺布具有蓬感、柔软、亲肤的特性。
为实现上述目的,本发明提出了一种超柔纺粘无纺布双加固成型工艺,包括以下步骤 :
a) 原料熔融混合 :将原料充分混合喂入料斗中,原料经过双螺杆挤压机进行挤压熔融得到熔体,所述原料中各组分比:聚丙烯PP 81-86.5份、丙烯基弹性体12.5-16份、柔软母粒0.5-1.5份、二氧化钛0.5-1.5份;
b) 熔融过滤:将 a)步骤中所得到的原料切片经过双螺杆挤压机进行挤压熔融得到熔体,经过滤器在线去除杂质,然后进入纺丝系统;
c) 纺丝成网:将 b)步骤中过滤后的熔体采用计量泵定量送入纺丝组件,将纺出的丝经侧冷风冷却,获得初生长丝,将所述初生长丝经过气流分丝的方式,通过狭缝式牵伸器的喇叭口,将初生长丝进行气流牵伸,同时经过牵伸的初生长丝分子链排列整齐,产生强力,形成纤维网 ;
d) 热轧 :将c)步骤中所得到的纤维网在成网输送带的连续输送下喂入热轧机进行加固;
e) 水刺:热轧后喂入水刺区进行加固,得到无纺布;
f) 烘燥:将 e)步骤中的无纺布输入到烘箱中进行烘燥,经卷绕机切边、成卷,包装出厂。
作为优选,所述无纺布的轧点面积为:5-13%。
作为优选,所述d)步骤中热压机的热轧温度为110-115℃,所述e) 步骤中水刺头的出水压力达到70-90bar。
作为优选,所述步骤f)烘燥:烘燥温度为105~110℃。
作为优选,所述步骤e)水刺后,采用抗菌处理系统对无纺布进行抗菌处理,所述抗菌剂为HFXZ-88抗菌剂。
作为优选,所述抗菌处理系统包括支撑架、回收料斗、储液回收箱、高压喷雾机构、吸附辊组件和刮板除液机构,所述支撑架上安装有回收料斗,所述回收料斗的下方设有出液阀,所述出液阀的下方设有储液回收箱,所述回收料斗上设有辅助支架,所述辅助支架上安装有若干个吸附辊组件,所述吸附辊组件的一侧设有刮板除液机构,所述刮板除液机构上设有刮板,所述刮板的端部紧贴吸附辊组件,所述吸附辊组件的外周包覆有吸液层,所述支撑架设有喷头安装架,所述喷头安装架上设有高压喷雾机构,所述高压喷雾机构上连接有若干个高压喷头,所述高压喷头通过供液管道与供液泵、储液箱相连,所述支撑架上对称设有导入限位辊组件。
作为优选,所述刮板除液机构还包括辅助支撑架、安装框、支撑滑座和刮板安装架,所述辅助支撑架的下方连接有安装框,所述安装框内开设有安装腔,所述安装框的上方开设有与安装腔相连通的滑槽,所述支撑滑座通过弹簧活动安装在安装腔内,所述支撑滑座的上方贯穿滑槽,所述支撑滑座之间连接有刮板安装架,所述刮板安装架上固定有刮板,所述刮板呈倾斜设置,所述刮板的下方设有挡板。
本发明的有益效果:本发明先纺粘再水刺的工艺进行无纺布的生产,代替传统热风布生产,无纺布具有蓬感、柔软、亲肤的特性,对无纺布的进行抗菌整理,能够提高无纺布的抑菌性,采用可以回收抗菌浆液的处理系统,能够对抗菌处理液进行回收,提高资源利用率。
本发明的特征及优点将通过实施例结合附图进行详细说明。
附图说明
图1是本发明一种超柔纺粘无纺布双加固成型工艺的抗菌处理系统的结构示意图;
图2是本发明一种超柔纺粘无纺布双加固成型工艺的抗菌处理系统的部分结构示意图。
具体实施方式
本发明一种超柔纺粘无纺布双加固成型工艺,包括以下步骤 :
a) 原料熔融混合 :将原料充分混合喂入料斗,原料经过双螺杆挤压机进行挤压熔融得到熔体,所述原料中各组分比:聚丙烯PP 81-86.5份、丙烯基弹性体12.5-16份、柔软母粒0.5-1.5份、二氧化钛0.5-1.5份;
b) 熔融过滤:将 a) 步骤中所得到的原料切片经过双螺杆挤压机进行挤压熔融得到熔体,经过滤器在线去除杂质,然后进入纺丝系统;
c) 纺丝成网:将 b) 步骤中过滤后的熔体采用计量泵定量送入纺丝组件,将纺出的丝经侧冷风冷却,获得初生长丝,将所述初生长丝经过气流分丝的方式,通过狭缝式牵伸器的喇叭口,将初生长丝进行气流牵伸,同时经过牵伸的初生长丝分子链排列整齐,产生强力,形成纤维网 ;
d) 热轧 :将c) 步骤中所得到的纤维网在成网输送带的连续输送下喂入热轧机进行加固,热压机的热轧温度为110-115℃;
e) 水刺:热轧后喂入水刺区进行加固,水刺头的出水压力达到70-90bar,得到无纺布采用抗菌处理系统对无纺布进行抗菌处理,所述抗菌剂为HFXZ-88抗菌剂;
f) 烘燥:将 d) 步骤中经过抗菌处理后的无纺布输入到烘箱中进行烘燥,烘燥温度为105~110℃,经卷绕机切边、成卷,包装出厂。
所述抗菌处理系统包括支撑架1、回收料斗2、储液回收箱3、高压喷雾机构4、吸附辊组件5和刮板除液机构6,所述支撑架1上安装有回收料斗2,所述回收料斗2的下方设有出液阀,所述出液阀的下方设有储液回收箱3,所述回收料斗2上设有辅助支架21,所述辅助支架21上安装有若干个吸附辊组件5,所述吸附辊组件5的一侧设有刮板除液机构6,所述刮板除液机构6上设有刮板65,所述刮板65的端部紧贴吸附辊组件5,所述吸附辊组件5的外周包覆有吸液层,所述支撑架1设有喷头安装架12,所述喷头安装架12上设有高压喷雾机构4,所述高压喷雾机构4上连接有若干个高压喷头41,所述高压喷头41通过供液管道与供液泵、储液箱相连,所述支撑架1上对称设有导入限位辊组件11。所述刮板除液机构6还包括辅助支撑架61、安装框62、支撑滑座63和刮板安装架64,所述辅助支撑架61的下方连接有安装框62,所述安装框62内开设有安装腔621,所述安装框62的上方开设有与安装腔621相连通的滑槽622,所述支撑滑座63通过弹簧活动安装在安装腔621内,所述支撑滑座63的上方贯穿滑槽622,所述支撑滑座63之间连接有刮板安装架64,所述刮板安装架64上固定有刮板65,所述刮板65呈倾斜设置,所述刮板65的下方设有挡板651。
本发明一种超柔纺粘无纺布双加固成型工艺,本发明采用先纺粘热轧再水刺的生产代替传统热风布生产,无纺布具有蓬感、柔软、亲肤的特性,对无纺布的进行抗菌整理,能够提高无纺布的抑菌性,采用可以回收抗菌浆液的处理系统,能够对抗菌处理液进行回收,提高资源利用率。
抗菌处理系统的工作原理为:将无纺布从输入辊10导入,依次经过张紧导入辊101、导入限位辊组件11、张紧导出辊102输入到烘燥箱中,经过高压喷头41下方对无纺布进行喷液,多余的整理液渗透无纺布后能够附着到吸附辊组件5上,并经过刮板65刮下,沿着挡板651排入到回收料斗2中,其中弹簧能够保证刮板65的端部紧贴吸附辊组件5,保证回收彻底。
上述实施例是对本发明的说明,不是对本发明的限定,任何对本发明简单变换后的方案均属于本发明的保护范围。
Claims (4)
1.一种超柔纺粘无纺布双加固成型工艺,其特征在于:包括以下步骤 :
a)原料熔融混合 :将原料充分混合喂入料斗,原料经过双螺杆挤压机进行挤压熔融得到熔体,所述原料中各组分比:聚丙烯PP 81-86.5份、丙烯基弹性体12.5-16份、柔软母粒0.5-1.5份、二氧化钛0.5-1.5份;
b)熔融过滤:将 a) 步骤中所得到的原料切片经过双螺杆挤压机进行挤压熔融得到熔体,经过滤器在线去除杂质,然后进入纺丝系统;
c)纺丝成网:将 b) 步骤中过滤后的熔体采用计量泵定量送入纺丝组件,将纺出的丝经侧冷风冷却,获得初生长丝,将所述初生长丝经过气流分丝的方式,通过狭缝式牵伸器的喇叭口,将初生长丝进行气流牵伸,同时经过牵伸的初生长丝分子链排列整齐,产生强力,形成纤维网 ;
d)热轧 :将c) 步骤中所得到的纤维网在成网输送带的连续输送下喂入热轧机进行加固;
e)水刺:热轧后喂入水刺区进行加固,得到无纺布;
f)烘燥:将 e)步骤中的无纺布输入到烘箱中进行烘燥,经卷绕机切边、成卷,包装出厂;
所述步骤e)水刺后,采用抗菌处理系统对无纺布进行抗菌处理,采用的抗菌剂为HFXZ-88抗菌剂;所述抗菌处理系统包括支撑架(1)、回收料斗(2)、储液回收箱(3)、高压喷雾机构(4)、吸附辊组件(5)和刮板除液机构(6),所述支撑架(1)上安装有回收料斗(2),所述回收料斗(2)的下方设有出液阀,所述出液阀的下方设有储液回收箱(3),所述回收料斗(2)上设有辅助支架(21),所述辅助支架(21)上安装有若干个吸附辊组件(5),所述吸附辊组件(5)的一侧设有刮板除液机构(6),所述刮板除液机构(6)上设有刮板(65),所述刮板(65)的端部紧贴吸附辊组件(5),所述吸附辊组件(5)的外周包覆有吸液层,所述支撑架(1)设有喷头安装架(12),所述喷头安装架(12)上设有高压喷雾机构(4),所述高压喷雾机构(4)上连接有若干个高压喷头(41),所述高压喷头(41)通过供液管道与供液泵、储液箱相连,所述支撑架(1)上对称设有导入限位辊组件(11);所述刮板除液机构(6)还包括辅助支撑架(61)、安装框(62)、支撑滑座(63)和刮板安装架(64),所述辅助支撑架(61)的下方连接有安装框(62),所述安装框(62)内开设有安装腔(621),所述安装框(62)的上方开设有与安装腔(621)相连通的滑槽(622),所述支撑滑座(63)通过弹簧活动安装在安装腔(621)内,所述支撑滑座(63)的上方贯穿滑槽(622),所述支撑滑座(63)之间连接有刮板安装架(64),所述刮板安装架(64)上固定有刮板(65),所述刮板(65)呈倾斜设置,所述刮板(65)的下方设有挡板(651)。
2.如权利要求1所述的一种超柔纺粘无纺布双加固成型工艺,其特征在于:所述d) 步骤中热压机的热轧温度为110-115℃,,所述e) 步骤中水刺头的出水压力达到70-90bar。
3.如权利要求1所述的一种超柔纺粘无纺布双加固成型工艺,其特征在于:所述步骤f)烘燥中:烘燥温度为105~110℃。
4.如权利要求1所述的一种超柔纺粘无纺布双加固成型工艺,其特征在于:所述无纺布的轧点面积为:5-13%。
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