CN111676733A - 一种碳纤维纸及其制作方法和应用 - Google Patents
一种碳纤维纸及其制作方法和应用 Download PDFInfo
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Abstract
本发明公开了一种碳纤维纸,该碳纤维纸的有效成分及重量份数:长纤维泡春木浆40~50份;短纤维阿尤斯木浆20~30份;剑麻纤维2~8份;碳纤维5~12份;木棉1~3份;马尼拉麻1~3份;脲醛树脂1~2份;羊毛8~12份;以及采用上述原料制备碳纤维纸,并将所制得的碳纤维纸用于制备扬声器振动膜。本发明能有效解决纸振动膜分层和偏重的问题,具有高达4G的杨氏模量,声传播速度是传统纸振动膜的2倍等特点。
Description
技术领域
本发明涉及一种碳纤维纸,具体为一种碳纤维纸,以及制造该碳纤维纸的制作方法,并将所制备得到的碳纤维纸用于制作扬声器的振动膜。
背景技术
扬声器作为将电能转变为声能的常用电声换能器件,其在声放系统中起着不可或缺的作用。扬声器在声放系统中是一个最薄弱的器件,而对于声放效果而言,它又是一个最重要的部件。扬声器的种类繁多,音频电能通过电磁,压电或静电效应,使其纸盆或膜片振动并与周围的空气产生共振(共鸣)而发出声音。
然而,目前市场上用于扬声器振动膜片,都是采用包装卡纸或传统纸浆制作振动膜片。所制作出的振动膜片,质量重,厚度厚,各部位不均匀,内部阻尼大,声传播速度慢,杨氏模量低,批次生产数量大且污染严重。
发明内容
本发明的目的是针对现有技术缺陷,而提供一种碳纤维纸,以及该碳纤维纸的制作方法,并将该碳纤维纸用于制备扬声器振动膜。
为了实现上述本发明的目的,所采取的技术方案:
一种碳纤维纸,该碳纤维纸的有效成分及重量份数:
长纤维泡春木浆40~50份;
短纤维阿尤斯木浆20~30份;
剑麻纤维2~8份;
碳纤维5~12份;
木棉1~3份;
马尼拉麻1~3份;
脲醛树脂1~2份;
羊毛8~12份。
进一步地,所述长纤维泡春木浆45份,短纤维阿尤斯木浆25份,剑麻纤维3份,碳纤维7份,木棉2份,马尼拉麻2份,脲醛树脂1份,羊毛10份。
进一步地,所述碳纤维纸的制作方法包括:
采用长纤维泡春木浆与短纤维阿尤斯木浆混合打浆2~4小时,再加入剑麻纤维和碳纤维,再打浆1~2小时;将打好的浆料倒入小型造纸机中,制备出整卷的纸张。
进一步地,所述的纸张对两边修边成1米宽规格的原纸。
进一步地,所述的原纸用精密涂布机在其上涂布一层热固性环氧树脂胶层,经过烘道烘干,再用滚筒碾压,得到平整面,收卷。
进一步地,所述的热固性环氧树脂胶的涂布量为25~35g/㎡。
进一步地,所述长纤维泡春木浆为长纤维春材所制得的木浆;长纤维的长度为3~10厘米;短纤维的长度为0.2~1厘米。长纤维泡春木浆的长纤维其长度为3~10厘米;短纤维阿尤斯木浆的短纤维的长度为0.2~1厘米。
一种采用所述的碳纤维纸制备纤维纸振动膜,该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净常温水池内浸泡24小时或80℃~ 100℃热水中浸泡2~12小时,用镊子夹住,放在热成型机模具上,压制30~40秒后开模;取出已成型的纸振动膜,平放在周转盘内4~8小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
进一步地,所述的热成型机模具的上字母金属模的上模185±5度,下字母金属模的下模195±5度。
进一步地,所述碳纤维纸振动膜的杨氏模量为3~4G。
本发明相对于现有技术所具有的进步:本发明碳纤维纸振动膜具有高达4G的杨氏模量,声传播速度是传统纸振动膜的2倍,精密的厚度公差±0.01MM,批次单个振动膜重量差± 0.002g。有效解决传统包装卡纸制作纸振动膜分层和偏重问题,且能耗低,环保无污染,可按需生产。
具体实施方式
为了使本技术领域的人员更好的理解本申请中的技术方案,下面将结合实施例来对本发明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申请的一部分实施例,基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都应当属于本申请保护的范围。
实施例1:
一种碳纤维纸,该碳纤维纸的有效成分及重量份数:长纤维泡春木浆40份;短纤维阿尤斯木浆20份;剑麻纤维2份;碳纤维5份;木棉1份;马尼拉麻1份;脲醛树脂1份;羊毛8份。
实施例2:
所述长纤维泡春木浆45份,短纤维阿尤斯木浆25份,剑麻纤维3份,碳纤维7份,木棉2份,马尼拉麻2份,脲醛树脂1份,羊毛10份。
实施例3:
一种碳纤维纸,该碳纤维纸的有效成分及重量份数:长纤维泡春木浆50份;短纤维阿尤斯木浆30份;剑麻纤维8份;碳纤维12份;木棉3份;马尼拉麻3份;脲醛树脂2份;羊毛12份。
实施例4:
一种碳纤维纸,该碳纤维纸的有效成分及重量份数:长纤维泡春木浆45份;短纤维阿尤斯木浆25份;剑麻纤维5份;碳纤维8.5份;木棉2份;马尼拉麻2份;脲醛树脂1.5份;羊毛10份。
实施例5:
一种碳纤维纸,该碳纤维纸的有效成分及重量份数:所述长纤维泡春木浆42份,短纤维阿尤斯木浆30份,剑麻纤维3份,碳纤维7份,木棉3份;马尼拉麻2份;脲醛树脂2份;羊毛11份。
实施例6:
与实施例1-5任一相比,区别之处在于:所述碳纤维纸的制作方法包括:
采用长纤维泡春木浆与短纤维阿尤斯木浆混合打浆2小时,再加入剑麻纤维和碳纤维,再打浆1小时;将打好的浆料倒入小型造纸机中,制备出整卷的纸张。
实施例7:
与实施例1-5任一相比,区别之处在于:所述碳纤维纸的制作方法包括:
采用长纤维泡春木浆与短纤维阿尤斯木浆混合打浆4小时,再加入剑麻纤维和碳纤维,再打浆2小时;将打好的浆料倒入小型造纸机中,制备出整卷的纸张。
实施例8:
与实施例1-5任一相比,区别之处在于:所述碳纤维纸的制作方法包括:
采用长纤维泡春木浆与短纤维阿尤斯木浆混合打浆3小时,再加入剑麻纤维和碳纤维,再打浆1.5小时;将打好的浆料倒入小型造纸机中,制备出整卷的纸张。
实施例9:
与实施例6-8任一相比,区别之处在于:所述的纸张对两边修边成1米宽规格的原纸。
实施例10:
与实施例9相比,区别之处在于:所述的原纸用精密涂布机在其上涂布一层热固性环氧树脂胶层,经过烘道烘干,再用滚筒碾压,得到平整面,收卷。
实施例11:
与实施例10相比,区别之处在于:所述的热固性环氧树脂胶的涂布量为30g/㎡。
实施例12:
与实施例10相比,区别之处在于:所述的热固性环氧树脂胶的涂布量为25g/㎡。
实施例13:
与实施例10相比,区别之处在于:所述的热固性环氧树脂胶的涂布量为35g/㎡。
实施例14:
与实施例1-13任一相比,区别之处在于:所述长纤维泡春木浆为长纤维春材所制得的木浆;长纤维的长度为3~10厘米;短纤维的长度为0.2~1厘米。长纤维泡春木浆的长纤维其长度为3~10厘米;短纤维阿尤斯木浆的短纤维的长度为0.2~1厘米。通过长纤维泡春木浆和短纤维阿尤斯木浆混合,因混合物中含有不同长度的长纤维和短纤维,能利于混合均匀,利于所制得纤维纸张内的长纤维和短纤维均匀分布,从而能有效提高所制得纸张的质量。
实施例15:
一种采用上述的碳纤维纸制备纤维纸振动膜,该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净常温水池内浸泡24小时用镊子夹住,放在热成型机模具上,压制30秒后开模;取出已成型的纸振动膜,平放在周转盘内4小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
实施例16:
一种采用上述的碳纤维纸制备纤维纸振动膜,该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净80℃热水中浸泡2小时,用镊子夹住,放在热成型机模具上,压制30秒后开模;取出已成型的纸振动膜,平放在周转盘内4小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
实施例17:
一种采用上述的碳纤维纸制备纤维纸振动膜,该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净常温水池内浸泡24小时,用镊子夹住,放在热成型机模具上,压制40秒后开模;取出已成型的纸振动膜,平放在周转盘内6 小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
实施例18:
一种采用上述的碳纤维纸制备纤维纸振动膜,该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净90℃热水中浸泡7小时,用镊子夹住,放在热成型机模具上,压制30秒后开模;取出已成型的纸振动膜,平放在周转盘内5小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
实施例19:
一种采用上述的碳纤维纸制备纤维纸振动膜,该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净100℃热水中浸泡12小时,用镊子夹住,放在热成型机模具上,压制40秒后开模;取出已成型的纸振动膜,平放在周转盘内8 小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
实施例20:
与实施例15-19任一相比,区别之处在于:所述的热成型机模具的上字母金属模的上模 185±5度,下字母金属模的下模195±5度。
实施例21:
与实施例15-19任一相比,区别之处在于:所述碳纤维纸振动膜的杨氏模量为3~4G。
上述的实施例14-18,通过其制备方法所制得的纤维纸振动膜能有效解决了纸振动膜分层和偏重的问题。
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之内。
Claims (10)
1.一种碳纤维纸,其特征在于,该碳纤维纸的有效成分及重量份数:
长纤维泡春木浆40~50份;
短纤维阿尤斯木浆20~30份;
剑麻纤维2~8份;
碳纤维5~12份;
木棉1~3份;
马尼拉麻1~3份;
脲醛树脂1~2份;
羊毛8~12份。
2.根据权利要求1所述的碳纤维纸,其特征在于:所述长纤维泡春木浆45份,短纤维阿尤斯木浆25份,剑麻纤维3份,碳纤维7份,木棉2份,马尼拉麻2份,脲醛树脂1份,羊毛10份。
3.根据权利要求1所述的碳纤维纸,其特征在于:所述碳纤维纸的制作方法包括:
采用长纤维泡春木浆与短纤维阿尤斯木浆混合打浆2~4小时,再加入剑麻纤维和碳纤维,再打浆1~2小时;将打好的浆料倒入小型造纸机中,制备出整卷的纸张。
4.根据权利要求3所述的碳纤维纸,其特征在于:所述的纸张对两边修边成1米宽规格的原纸。
5.根据权利要求4所述的碳纤维纸,其特征在于:所述的原纸用精密涂布机在其上涂布一层热固性环氧树脂胶层,经过烘道烘干,再用滚筒碾压,得到平整面,收卷。
6.根据权利要求5所述的碳纤维纸,其特征在于:所述的热固性环氧树脂胶的涂布量为25~35g/㎡。
7.根据权利要求1-6任一项所述的碳纤维纸,其特征在于:所述长纤维泡春木浆为长纤维春材所制得的木浆;
长纤维的长度为3~10厘米;
短纤维的长度为0.2~1厘米。
8.一种采用根据权利要求1-6任一项所述的碳纤维纸制备纤维纸振动膜,其特征在于:该制备方法包括:
将碳纤维纸按照设计规格分切为单个片材,放入洁净常温水池内浸泡24小时或80℃~100℃热水中浸泡2~12小时,用镊子夹住,放在热成型机模具上,压制30~40秒后开模;取出已成型的纸振动膜,平放在周转盘内4~8小时,待冷却和应力释放后再用金属钢模冲切或激光去除余料,即得到碳纤维纸振动膜。
9.根据权利要求8所述采用所述的碳纤维纸制备纤维纸振动膜,其特征在于:所述的热成型机模具的上下子母金属模具的上模185±5度,下模195±5度。
10.根据权利要求8所述采用所述的碳纤维纸制备纤维纸振动膜,其特征在于:所述碳纤维纸振动膜的杨氏模量为3~4G。
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