CN113844132A - 一种无限加宽延长的复合木皮卷及其制备工艺 - Google Patents

一种无限加宽延长的复合木皮卷及其制备工艺 Download PDF

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CN113844132A
CN113844132A CN202111162834.9A CN202111162834A CN113844132A CN 113844132 A CN113844132 A CN 113844132A CN 202111162834 A CN202111162834 A CN 202111162834A CN 113844132 A CN113844132 A CN 113844132A
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赵永昌
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    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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Abstract

本发明涉及装饰木皮技术领域,提出了一种无限加宽延长的复合木皮卷,包括从上至下依次排列的木皮层、粘结剂层以及无纺布层。本发明通过将木皮拼接于无纺布上热压后成卷得到无限加宽延长的复合木皮卷,成卷后适用生产线进行浸胶操作,比传统浸泡浸胶工艺更方便快捷,浸胶效果更好。另外,本发明复合木皮卷不易起皮开裂,适用于各种异型表面的装饰。

Description

一种无限加宽延长的复合木皮卷及其制备工艺
技术领域
本发明涉及装饰木皮技术领域,具体的,涉及一种无限加宽延长的复合木皮卷及其制备工艺。
背景技术
木皮指木方经刨切或旋切得到的薄片状木质材料,主要用于高档家具、实木复合地板、高档木门及贴面板的制造。由于木皮完全保留了天然木材的优点,能够营造出实木的感觉,因此其应用能够节约天然木材资源,有效降低产品的制造成本,因此受到广大用户及制造业的欢迎,有广阔的市场前景。但木皮产品具有易碎、易燃的缺点,在室内装修和公共场所的大量使用对人们有生命安全的威胁。同时木皮产品较脆,无法弯曲,阻碍了木皮产品进一步应用。实用新型专利CN202476996U公开了一种厚皮木皮条,通过多层叠加粘合增加了厚度,能够对木质制品封边和倒角处理,使其更具实木的真实感,但是较厚的木皮影响了使用过程中的真实感,还容易发生起皮现象,并且解决不了大角度弯曲的问题。
近年来发展起来的三聚氰胺浸胶纸韧性较强,解决了大角度弯曲的问题,在使用中不容易出现裂纹或者皮损。并且,三聚氰胺浸胶纸的表面度更光滑,更适合精致家居的加工。专利申请CN 111926623 A公开了一种三聚氰胺饰面板复合工艺,将面层与底层通过热压连接在一起,得到层压包覆材料,所述面层为三聚氰胺浸渍纸,所述底层为牛皮纸、羊皮纸或无纺布,所述底层能将多片所述三聚氰胺浸渍纸连接在一起;对基材板进行定位,再涂胶,与层压包覆材料进行复合,得到三聚氰胺饰面板。通过上述方式,该专利申请的层压包覆材料可弯曲,能对各种异型表面进行饰面。但是该专利申请中,无纺布存在于三聚氰胺浸渍纸和基材板之间,形成的装饰效果仅仅是三聚氰胺纸的效果,失去了原木本身的纹路和实木的视觉效果。另外,可能会出现贴合性能较差,在实际应用过程面对较大角度的弯曲情况依旧会出现起皮、开裂、折断的现象,失去装饰的效果。
发明内容
本发明提出一种无限加宽延长的复合木皮卷及其制备工艺,解决了现有技术中的木皮易发生起皮、开裂、折断问题,同时还能够无限加宽延长。
本发明的技术方案如下:
一种无限加宽延长的复合木皮卷,包括从上至下依次排列的木皮层、粘结剂层以及无纺布层。
进一步地,所述木皮层为天然木皮或者重组复合木皮。
进一步地,所述木皮层与无纺布层形成的总厚度为0.02-0.06mm。
进一步地,所述无纺布层的纤维方向与木皮层的木皮纤维方向垂直。
进一步地,所述无纺布层为可浸胶无纺布。
进一步地,所述粘结剂层中粘结剂选自胶水、白乳胶、木皮胶中的一种或多种。
本发明进一步提供上述无限加宽延长的复合木皮卷的制备工艺,包括以下步骤:
(1)木皮裁剪修边为矩形;
(2)将粘结剂滚涂于无纺布上;
(3)沿无纺布宽度方向,将木皮拼接于步骤(2)的无纺布上方;
(4)进行热压粘合;
(5)沿无纺布长度方向,将木皮拼接于步骤(4)未拼接木皮部分的无纺布上方;
(6)进行热压粘合;
(7)重复步骤(1)-(6),得到无限延伸加宽延长的粘合于无纺布的木皮,滚筒成卷,即得复合木皮卷。
进一步地,所述步骤(1)中木皮的长、宽度无限制,为矩形即可。
进一步地,所述步骤(4)和步骤(6)的热压温度为100-130℃,时间为10-30s。
进一步地,所述步骤(7)制备得到的复合木皮卷浸胶,烘干、裁尺,得到浸胶复合木皮。
进一步地,所述浸胶为浸三聚氰胺。
更进一步地,所述浸胶方式为浸胶机浸胶。
进一步地,所述浸胶时间为10-20s。
进一步地,所述烘干温度为100-140℃,时间为10-20s。
本发明的有益效果为:
1、本发明木皮卷拼接于无纺布上,通过热压工艺,将一张张木皮连接起来,得到可以无限延长和加宽的木皮卷,通常制成宽度1.3-2.6m,长度300-1000m/卷的样品,在实际生产和应用过程中,可以根据需要进行裁剪以得到任意尺寸的木皮,一次性贴合于墙板、家具、各类板材表面,避免了多次施工。与传统的单张木皮手工拼接贴合的工艺相比,更加方便简单,贴合工艺速度提升50%以上。
2、本发明制备好的复合木皮卷可以直接适用浸胶生产线,比传统浸泡浸胶,操作更方便快捷,上胶均匀。另外后续采用三聚氰胺浸胶,达到封闭的效果,封堵木皮自身的木眼纹路,从而达到实木的视觉效果。由于木皮的木眼纹路通过浸胶已经封闭,因此可以直接操作面漆工艺,节约油漆成本70%以上。
3、木皮长期存放易发霉变形,而本发明工艺制备得到的木皮卷可以直接封闭于三聚氰胺胶中,隔绝了外界空气水分,不会发生发霉变质;并且本发明将木皮的纤维方向和无纺布的纤维方向垂直设置,大大提高了木皮的柔韧性,变形概率大大降低。因此本发明木皮稳定性高,更易于存放,降低了储存成本。
4、本发明将木皮拼接于连续的可浸胶无纺布上后成卷,形成厚度仅为0.02-0.06mm的木皮卷,相比于在木皮拼接处进行粘合的方式,具有以下优势:①操作更加方便;②厚度很薄,实际应用时真实感更强;③形成的木皮卷厚度均匀,贴合更加紧密,不易发生起皮、开裂、折断等现象,适用于各种异型表面的装饰。
附图说明
图1为本发明木皮卷结构示意图;
图中,1—木皮层;2—粘结剂层;3—无纺布层。
具体实施方式
下面将结合本发明实施例,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他实施例,都涉及本发明保护的范围。
实施例1
如图1所示,本实施例提出了一种无限加宽延长的复合木皮卷,包括从上至下依次排列的木皮层1、粘结剂层2以及无纺布层3。
本实施例中,木皮层1为天然木皮,无纺布层为3为可浸胶无纺布,粘结剂层2为木皮胶。
木皮层1与无纺布层3形成的总厚度为0.04mm。
无纺布层3的纤维方向与木皮层1的木皮纤维方向垂直。
本发明进一步提供上述无限加宽延长的复合木皮卷的制备工艺,包括以下步骤:
(1)木皮裁剪修边为矩形;
(2)将木皮胶滚涂于无纺布上;
(3)沿无纺布宽度方向,将木皮拼接于步骤(2)的无纺布上方;
(4)进行热压粘合,热压温度115℃,时间20s;
(5)沿无纺布长度方向,将木皮拼接于步骤(4)未拼接木皮部分的无纺布上方;
(6)进行热压粘合,热压温度115℃,时间20s;
(7)重复步骤(1)-(6),得到无限延伸加宽延长的粘合于无纺布的木皮,滚筒成卷,即得复合木皮卷。
将上述步骤(7)的复合木皮卷按照常规的浸胶工艺,置于含三聚氰胺胶的浸胶机中浸胶15s,然后于120℃烘干15s,裁尺得到浸胶的复合木皮。
实施例2
如图1所示,本实施例提出了一种无限加宽延长的复合木皮卷,包括从上至下依次排列的木皮层1、粘结剂层2、无纺布层3。
本实施例中,木皮层1为重组复合木皮,无纺布层为3为可浸胶无纺布,粘结剂层2为胶水。
木皮层1与无纺布层3形成的总厚度为0.06mm。
无纺布层3的纤维方向与木皮层1的木皮纤维方向垂直。
本发明进一步提供上述无限加宽延长的复合木皮卷的制备工艺,包括以下步骤:
(1)木皮裁剪修边为矩形;
(2)将胶水滚涂于无纺布上;
(3)沿无纺布宽度方向,将木皮拼接于步骤(2)的无纺布上方;
(4)进行热压粘合,热压温度100℃,热压时间30s;
(5)沿无纺布长度方向,将木皮拼接于步骤(4)未拼接木皮部分的无纺布上方;
(6)进行热压粘合,热压温度100℃,热压时间30s;
(7)重复步骤(1)-(6),得到无限延伸加宽延长的粘合于无纺布的木皮,滚筒成卷,即得复合木皮卷。
将上述步骤(7)的复合木皮卷按照常规的浸胶工艺,置于含三聚氰胺胶的浸胶机中浸胶10s,然后于100℃烘干20s,裁尺得到浸胶的复合木皮。
实施例3
如图1所示,本实施例提出了一种无限加宽延长的复合木皮卷,包括从上至下依次排列的木皮层1、粘结剂层2、无纺布层3。
本实施例中,木皮层1为重组复合木皮,无纺布层为3为可浸胶无纺布,粘结剂层2为胶水。
木皮层1与无纺布层3形成的总厚度为0.02mm。
无纺布层3的纤维方向与木皮层1的木皮纤维方向垂直。
本发明进一步提供上述无限加宽延长的复合木皮卷的制备工艺,包括以下步骤:
(1)木皮裁剪修边为矩形;
(2)将胶水滚涂于无纺布上;
(3)沿无纺布宽度方向,将木皮拼接于步骤(2)的无纺布上方;
(4)进行热压粘合,热压温度130℃,热压时间10s;
(5)沿无纺布长度方向,将木皮拼接于步骤(4)未拼接木皮部分的无纺布上方;
(6)进行热压粘合,热压温度130℃,热压时间10s;
(7)重复步骤(1)-(6),得到无限延伸加宽延长的粘合于无纺布的木皮,滚筒成卷,即得复合木皮卷。
将上述步骤(7)的复合木皮卷按照常规的浸胶工艺,置于含三聚氰胺胶的浸胶机中浸胶20s,然后于140℃烘干10s,裁尺得到浸胶的复合木皮。
对比例1
采用三聚氰胺浸渍纸代替木皮卷装饰,具体制备方法为:
(1)将木皮胶滚涂于无纺布上;
(2)沿无纺布宽度方向,将三聚氰胺浸胶纸拼接于步骤(1)的无纺布上方;
(3)进行热压粘合,热压温度115℃,时间20s;
(4)沿无纺布长度方向,将三聚氰胺浸胶纸拼接于步骤(3)未拼接三聚氰胺浸胶纸部分的无纺布上方;
(5)进行热压粘合,热压温度115℃,时间20s;
(6)重复步骤(1)-(5),得到无限延伸加宽延长的粘合于无纺布的三聚氰胺浸胶纸。
对比例2
仅仅在木皮衔接部分采用无纺布进行粘剂,具体制备方法包括以下步骤:
(1)木皮裁剪修边为矩形;
(2)将木皮胶滚涂于无纺布上;
(3)将木皮拼接,拼接部分粘贴步骤(2)的无纺布;
(4)进行热压粘合,热压温度115℃,时间20s;
(5)重复步骤(1)-(4),得到无限延伸加宽延长的粘合于无纺布的木皮,滚筒成卷,即得复合木皮卷。
将上述步骤(5)的复合木皮卷按照常规的浸胶工艺,置于含三聚氰胺胶的浸胶机中浸胶20s,然后于140℃烘干10s,裁尺得到浸胶的复合木皮。
实验例不同木皮卷的应用效果对比
将实施例1-3、对比例1-2制备得到的木皮卷或三聚氰胺浸胶纸装饰于木塑板表面,于40℃、相对湿度65%环境下放置一个月,观察木板表面木皮卷或三聚氰胺浸胶纸的完整性,结果见表1。
表1不同木皮卷或三聚氰胺浸胶纸的完整性
木皮卷或三聚氰胺浸胶纸的完整性
实施例1 表面光滑、无起皮、无开裂,有天然纯实木视觉效果
实施例2 表面光滑、无起皮、无开裂,有天然纯实木视觉效果
实施例3 表面光滑、无起皮、无开裂,有天然纯实木视觉效果
对比例1 有起皮、有开裂,无纯实木视觉效果
对比例2 有轻微起皮、有开裂,有天然纯实木视觉效果
由表1数据可以看出,本发明制备得到的木皮卷在较为苛刻的环境下放置一个月仍能保持完整的表面。对比例1采用三聚氰胺浸胶纸直接装饰木板,放置一个月后,发生起皮开裂现象。对比例2仅仅采用无纺布对木皮拼接处进行粘结,最终制备得到的木皮卷完整性较差,在放置一个月后木皮卷发生轻微的起皮和开裂现象。
以上仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (10)

1.一种无限加宽延长的复合木皮卷,其特征在于,包括从上至下依次排列的木皮层(1)、粘结剂层(2)以及无纺布层(3)。
2.根据权利要求1所述的无限加宽延长的复合木皮卷,其特征在于,所述木皮层(1)为天然木皮或者重组复合木皮。
3.根据权利要求1所述的无限加宽延长的复合木皮卷,其特征在于,所述无纺布层(3)为可浸胶无纺布。
4.根据权利要求1所述的无限加宽延长的复合木皮卷,其特征在于,所述木皮层(1)与无纺布层(3)形成的总厚度为0.02-0.06mm。
5.根据权利要求1所述的无限加宽延长的复合木皮卷,其特征在于,粘结剂层(2)中粘结剂选自胶水、白乳胶、木皮胶中的一种或多种。
6.权利要求1-5任一项所述的无限加宽延长的复合木皮卷的制备工艺,其特征在于,包括以下步骤:
(1)木皮裁剪修边为矩形;
(2)将粘结剂滚涂于无纺布上;
(3)沿无纺布宽度方向,将木皮拼接于步骤(2)的无纺布上方;
(4)进行热压粘合;
(5)沿无纺布长度方向,将木皮拼接于步骤(4)未拼接木皮部分的无纺布上方;
(6)进行热压粘合;
(7)重复步骤(1)-(6),得到无限延伸加宽延长的粘合于无纺布的木皮,滚筒成卷,即得复合木皮卷。
7.根据权利要求6所述的制备工艺,其特征在于,所述步骤(4)和步骤(6)的热压温度为100-130℃,时间为10-30s。
8.根据权利要求6所述的无限加宽延长的复合木皮卷的制备工艺,其特征在于,所述步骤(7)制备得到的复合木皮卷进行浸胶,烘干、裁尺,得到浸胶复合木皮。
9.根据权利要求8所述的制备工艺,其特征在于,所述浸胶的时间为10-20s。
10.根据权利要求8所述的制备工艺,其特征在于,所述烘干温度为100-140℃,时间为10-20s。
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