CN109629118A - 一种擦拭巾及其制造方法 - Google Patents
一种擦拭巾及其制造方法 Download PDFInfo
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Abstract
本发明公开了一种擦拭巾,所述擦拭巾的上、下两层为熔喷纤维网,中间层为木浆纤维网,其中,所述熔喷纤维网表面附着有胶粘剂,所述熔喷纤网的熔喷纤维穿插于木浆纤维网中,本发明还公开了一种擦拭巾的制造方法,可用于制造本发明的吸水擦拭巾,由于熔喷纤维网表面附着有胶粘剂,在熔喷纤维网表面形成一层胶粘剂膜,使得在使用时既阻止了表面熔喷纤维因摩擦而起毛、起绒,而且也进一步防止了中间层木浆短纤维掉出,在使用过程中出现“掉毛”现象。
Description
技术领域
本发明涉及擦拭巾技术领域,尤其涉及应用于个人护理、婴幼儿护理用的一种表面耐磨、防起毛的擦拭巾及其制造方法。
背景技术
擦拭巾由于携带及收纳相当的方便,且使用便利,因此受到广大消费者的喜爱。在日常生活中常常需要用到擦拭巾,例如当父母替婴儿更换尿布时,或是餐厅用餐时,或是化妆护理皮肤时。可见,擦拭巾在个人护理、婴幼儿护理方面应用越来越广泛。
擦拭巾可以是水刺无纺布制品,也可以是纺粘无纺布制品。较传统的布类擦拭巾,其生产方法方便,价格低廉,并且干湿均可使用。为了增加擦拭巾的吸湿性能,在擦拭巾中往往会添加木浆,来提高擦拭巾的吸湿去污能力。但是木浆纤维为天然短纤维,仅通过纺粘工艺或水刺工艺进行结网固定,在使用时,多次摩擦后使得木浆短纤维容易脱落,造成掉毛现象,掉出影响使用寿命。
发明内容
本发明的目的在于提供一种防止表面起毛、掉毛的擦拭巾及其制造方法,克服现有产品及生产方法的缺陷。
为实现上述目的,本发明的解决技术方案是:
一种擦拭巾,所述擦拭巾的上、下两层为熔喷纤维网,中间层为木浆纤维网,其中,所述熔喷纤维网表面附着有胶粘剂,所述熔喷纤网的熔喷纤维穿插于木浆纤维网中。
所述熔喷纤维网由纤维表面为高熔点树脂的单组份熔喷纤维、纤维表面含有低熔点树脂的熔喷纤维或两者的共混纤维。
所述高熔点树脂和低熔点树脂的熔点之差≥20℃。
所述纤维表面含有低熔点树脂的纤维为单组份熔喷纤维、双组份熔喷纤维或两者的共混纤维。
所述双组份熔喷纤维为双组份皮芯型熔喷纤维、双组份橘瓣型熔喷纤维或双组份并列型熔喷纤维。
所述胶粘剂为热熔胶或溶剂胶。
所述木浆纤维网的重量与所述擦拭巾总重量的百分比大于65%。
所述木浆纤维网中含有热熔胶粘物质。
所述热熔胶粘物质为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物。
一种擦拭巾的制造方法,包括以下步骤:
(1)木浆通过开松辊开松打散,并在辅助气流的作用下通过喷管形成木浆纤维网;
(2)采用熔喷法工艺,将热塑性树脂加热,熔融,利用高温、高速热气流将从喷丝板中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束,伴随热气流形成熔喷纤维网,并与木浆纤维网的两个侧面处相交汇,形成两侧为熔喷纤维网,中间为木浆纤维网的多层结构纤维网;
(3)所述多层结构纤维网通过加热装置将纤维网固结在一起,形成上、下两层为熔喷纤维网,中间层为木浆纤维网的擦拭巾;
(4)通过辊涂或喷涂工艺,将胶粘剂涂敷在步骤(3)中形成的擦拭巾的两侧,形成表面附着有胶粘剂,上、下两层为熔喷纤维网,中间层为木浆纤维网的擦拭巾。
所述步骤(2)中,分别将两种熔点之差≥20℃的热塑性树脂加热,熔融,利用高温、高速热气流将从喷丝板中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束,伴随热气流形成的熔喷纤维网,其中所述熔喷纤维网含有纤维表面为高熔点树脂的纤维、纤维表面含有低熔点树脂的纤维或两者的共混纤维。
所述喷丝板上含有双组份喷丝孔。
所述双组份喷丝孔为皮芯型、橘瓣型或并列型。
所述加热装置为热风烘箱、热轧辊或两者相结合。
所述步骤(1)中,木浆通过开松辊开松打散,并与热熔胶粘物质混合后在辅助气流的作用下通过喷管形成含有热熔胶粘物质的木浆纤维网。
采用上述技术方案后,可应用本发明的擦拭巾制造方法制得本发明的擦拭巾,由于本发明的擦拭巾的熔喷纤维网的纤维纤度小,排布致密,有效防止了中间木浆短纤维的掉落。并且熔喷纤维网表面附着有胶粘剂,在熔喷纤维网表面形成一层胶粘剂膜,使得在使用时既阻止了表面熔喷纤维因摩擦而起毛、起绒,而且也进一步防止了中间层木浆短纤维掉出,在使用过程中出现“掉毛”现象。
附图说明
图1为本发明实施例1的擦拭布制造示意图;
图2为本发明实施例1的擦拭布剖面图;
图3为本发明实施例2的擦拭巾剖面图;
图4A为本发明的皮芯型熔喷纤维的截面图;
图4B为本发明的双组份并列型熔喷纤维的截面图;
图4C为本发明的双组份橘瓣型熔喷纤维的截面图;
图5为本发明实施例3的擦拭布制造示意图;
图6为本发明实施例3的擦拭布剖面图。
【符号说明】
【实施例1】
木浆11 木浆纤维网12
熔喷纤维网13、14 多层结构纤维网15
擦拭巾16、17 胶粘剂膜18、19
开松辊A1 喷管B1
喷丝板C1、C1’ 热轧辊E1
涂布辊F1
【实施例2】
纤维表面为高熔点树脂的单组份熔喷纤维20
纤维表面含有低熔点树脂的熔喷纤维20’
木浆纤维网21 熔喷纤维网23、24
擦拭巾27 胶粘剂28、29
皮芯型熔喷纤维31 双组份并列型熔喷纤维32
双组份橘瓣型熔喷纤维33
芯层树脂31a 皮层树脂31b
其中一种树脂32b、33b
另一种树脂32a、33a
【实施例3】
木浆41 热熔胶粘物质42
木浆纤维网43 熔喷纤维网44、45
多层结构纤维网46
擦拭巾47、48 胶粘剂膜48、49
开松辊A4 喷管B4
喷丝板C4、C4’ 热风烘箱D4
热轧辊E4 喷涂装置F4。
具体实施方式
为了进一步解释本发明的技术方案,下面通过具体实施例来对本发明进行详细阐述。
实施例1
如图1所示,本发明揭示了一种擦拭巾的制造方法,包括下列步骤:
(1)将木浆11通过开松辊A1开松打散,并在辅助气流的作用下通过喷管B1形成木浆纤维网12。
(2)采用熔喷法工艺,将热塑性树脂加热,熔融,利用高温、高速热气流将从喷丝板C1、C1’中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束,伴随热气流形成的熔喷纤维网13、14,并与木浆纤维网12的两个侧面处相交汇,形成两侧为熔喷纤维网13、14,中间为木浆纤维网12的多层结构纤维网15,其中,所述熔喷纤维网13、14由纤维表面为高熔点树脂的单组份熔喷纤维组成。
(3)所述多层结构纤维网15通过一对啮合的热轧辊E1将纤维网固结在一起,形成上、下两层为熔喷纤维网13、14,中间层为木浆纤维网12的擦拭巾16。
(4)通过涂布辊F1进行辊涂工艺,将胶粘剂涂敷在擦拭巾16的两侧,形成表面附着有胶粘剂,上、下两层为熔喷纤维网13、14,中间层为木浆纤维网12的擦拭巾17,木浆纤维网12的重量与所述擦拭巾总重量的百分比为70%。
如图2所示,本发明还揭示了一种可应用上述擦拭巾的制造方法制成的擦拭巾,其为层状结构,所述擦拭巾17的上、下两层为熔喷纤维网13、14,中间层为木浆纤维网12,所述熔喷纤维网13、14的熔喷纤维穿插于木浆纤维网12中,所述熔喷纤维网13、14表面附着有胶粘剂,所述胶粘剂为热熔胶或溶剂胶。
因此,由于熔喷纤维网13、14表面附着有胶粘剂,在熔喷纤维网13、14表面形成一层胶粘剂膜18、19,使得在使用时既阻止了表面熔喷纤维因摩擦而起毛、起绒,而且也进一步防止了中间层木浆短纤维掉出,在使用过程中出现“掉毛”现象。
实施例2
如图3所示,本发明揭示了一种擦拭巾27,其为层状结构,擦拭巾的上、下两层为熔喷纤维网23、24,中间层为木浆纤维网21,其中,所述熔喷纤维网23、24表面附着有胶粘剂28、29,所述熔喷纤维网23、24的熔喷纤维穿插于木浆纤维网21中;熔喷纤维网23、24由纤维表面为高熔点树脂的单组份熔喷纤维20、纤维表面含有低熔点树脂的熔喷纤维20’共混组成。纤维表面含有低熔点树脂的熔喷纤维20’可以为单组份熔喷纤维、双组份熔喷纤维或两者的共混纤维。双组份熔喷纤维可以为皮芯型熔喷纤维31、双组份橘瓣型熔喷纤维33或双组份并列型熔喷纤维32,且如图4A至图4C所示,皮芯型熔喷纤维31中皮层树脂31b的熔点低于芯层树脂31a的熔点,双组份橘瓣型熔喷纤维33、双组份并列型熔喷纤维32的其中一种树脂32b、33b的熔点低于另一种树脂32a、33a的熔点。该双组份熔喷纤维是将两种熔点之差≥20℃的热塑性树脂加热,熔融,并且喷丝板上的喷丝孔含有双组份喷丝孔。
因此,由于熔喷纤维网23、24含有纤维表面含有低熔点树脂的熔喷纤维20’,该熔喷纤维中的低熔点树脂在热风烘箱中熔融,使得纤维之间会粘连在一起,既增加了擦拭巾的整体强度,也使得熔喷纤维排列更加致密,并且使得熔喷纤维网23、24表面附着的胶粘剂28、29结合力更强,从而更加有效的提高擦拭巾的耐磨性,不会出现表面起毛、起绒现象。
实施例3
如图5所示,本发明揭示了一种擦拭巾的制造方法,包括下列步骤:
(1)将木浆41通过开松辊A4开松打散,并与热熔胶粘物质42混合后在辅助气流的作用下通过喷管B4形成含有热熔胶粘物质42的木浆纤维网43。
(2)采用熔喷法工艺,将热塑性树脂分别加热,熔融后进入纺丝箱,在纺丝箱内利用高温、高速热气流将从喷丝板C4、C4’中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束,伴随热气流形成熔喷纤维网44、45,然后形成的熔喷纤维网44、45在含有热熔胶粘物质42的木浆纤维网43的两个侧面处相交汇,形成两侧是熔喷纤维网44、45,中间为含有热熔胶粘物质42的木浆纤维网43的多层结构纤维网46。
(3)所述多层结构纤维网46通过热风烘箱D4、一对啮合的热轧辊E4将纤维网固结在一起,形成上、下两层为熔喷纤维网44、45,中间层为含有热熔胶粘物质42的木浆纤维网43的擦拭巾47。
(4)通过喷涂装置F4,将胶粘剂喷涂在擦拭巾47的两侧,形成表面附着有胶粘剂,上、下两层为熔喷纤维网44、45,中间层为含有热熔胶粘物质42的木浆纤维网43的擦拭巾48。
如图6所示,本发明还揭示了一种可应用上述擦拭巾的制造方法制成的擦拭巾,其为层状结构,所述擦拭巾47的上、下两层为熔喷纤维网44、45,中间层为木浆纤维网43,所述熔喷纤维网44、45的熔喷纤维穿插于木浆纤维网43中,所述熔喷纤维网44、45表面附着有胶粘剂,所述木浆纤维网43中含有热熔胶粘物质42,所述热熔胶粘物质42为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物,它们的混合物是由低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维一起混合或者任选两种混合而成,所述熔喷纤维网44、45可以为纤维表面含有低熔点树脂的熔喷纤维。
因此,由于熔喷纤维网44、45表面附着有胶粘剂,在熔喷纤维网44、45表面形成一层胶粘剂膜49、50,使得在使用时既阻止了表面熔喷纤维因摩擦而起毛、起绒,而且也进一步防止了中间层木浆短纤维掉出,在使用过程中出现“掉毛”现象。并且中间层的木浆纤维添加有热熔胶粘物质42,在热风烘箱D4中热熔胶粘物质42表面开始熔融,在一定程度上将中间层的木浆短纤维固定,使得木浆短纤难以移动,从而进一步防止所形成的擦拭巾在使用时不会出现“掉毛”的现象,增加擦拭巾的耐磨性。
Claims (16)
1.一种擦拭巾,其特征在于:所述擦拭巾的上、下两层为熔喷纤维网,中间层为木浆纤维网,其中,所述熔喷纤维网表面附着有胶粘剂,所述熔喷纤网的熔喷纤维穿插于木浆纤维网中。
2.如权利要求1所述一种擦拭巾,其特征在于:所述熔喷纤维网由纤维表面为高熔点树脂的单组份熔喷纤维、纤维表面含有低熔点树脂的熔喷纤维或两者的共混纤维。
3.如权利要求2所述一种擦拭巾,其特征在于:所述高熔点树脂和低熔点树脂的熔点之差≥20℃。
4.如权利要求2所述一种擦拭巾,其特征在于:所述纤维表面含有低熔点树脂的纤维为单组份熔喷纤维、双组份熔喷纤维或两者的共混纤维。
5.如权利要求4所述一种擦拭巾,其特征在于:所述双组份熔喷纤维为双组份皮芯型熔喷纤维、双组份橘瓣型熔喷纤维或双组份并列型熔喷纤维。
6.如权利要求1所述一种擦拭巾,其特征在于:所述胶粘剂为热熔胶或溶剂胶。
7.如权利要求1所述一种擦拭巾,其特征在于:所述木浆纤维网的重量与所述擦拭巾总重量的百分比大于50%。
8.如权利要求1所述一种擦拭巾,其特征在于:所述木浆纤维网的重量与所述擦拭巾总重量的百分比为65%~80%。
9.如权利要求1所述一种擦拭巾,其特征在于:所述木浆纤维网中含有热熔胶粘物质。
10.如权利要求9所述一种擦拭巾,其特征在于:所述热熔胶粘物质为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物。
11.一种如权利要求1所述擦拭巾的制造方法,其特征在于,包括以下步骤:
(1)木浆通过开松辊开松打散,并在辅助气流的作用下通过喷管形成木浆纤维网;
(2)采用熔喷法工艺,将热塑性树脂加热,熔融,利用高温、高速热气流将从喷丝板中喷出的热塑性树脂的溶体细流吹散成纤维束,纤维直径小于10um,伴随热气流形成熔喷纤维网,并与木浆纤维网的两个侧面处相交汇,形成两侧为熔喷纤维网,中间为木浆纤维网的多层结构纤维网;
(3)所述多层结构纤维网通过加热装置将纤维网固结在一起,形成上、下两层为熔喷纤维网,中间层为木浆纤维网的擦拭巾;
(4)通过辊涂或喷涂工艺,将胶粘剂涂敷在步骤(3)中形成的擦拭巾的两侧,形成表面附着有胶粘剂,上、下两层为熔喷纤维网,中间层为木浆纤维网的擦拭巾。
12.如权利要求11所述一种擦拭巾的制造方法,其特征在于:所述步骤(2)中,分别将两种熔点之差≥20℃的热塑性树脂加热,熔融,利用高温、高速热气流将从喷丝板中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束,伴随热气流形成的熔喷纤维网,其中所述熔喷纤维网含有纤维表面为高熔点树脂的纤维、纤维表面含有低熔点树脂的纤维或两者的共混纤维。
13.如权利要求11所述一种耐磨擦拭巾的制造方法,其特征在于:所述喷丝板上含有双组份喷丝孔。
14.如权利要求11所述一种耐磨擦拭巾的制造方法,其特征在于:所述双组份喷丝孔为皮芯型、橘瓣型或并列型。
15.如权利要求11所述一种耐磨擦拭巾的制造方法,其特征在于:所述加热装置为热风烘箱、热轧辊或两者相结合。
16.如权利要求11所述一种擦拭巾的制造方法,其特征在于:所述步骤(1)中,木浆通过开松辊开松打散,并与热熔胶粘物质混合后在辅助气流的作用下通过喷管形成含有热熔胶粘物质的木浆纤维网。
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