CN112739536A - 纸筒用原纸及纸筒 - Google Patents
纸筒用原纸及纸筒 Download PDFInfo
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- CN112739536A CN112739536A CN201980061095.9A CN201980061095A CN112739536A CN 112739536 A CN112739536 A CN 112739536A CN 201980061095 A CN201980061095 A CN 201980061095A CN 112739536 A CN112739536 A CN 112739536A
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Abstract
本发明的课题在于提供一种用于制造对环境的负荷小,且耐水性优异的纸筒的纸筒用原纸。作为解决方法,提供一种纸筒用原纸,其特征在于,具有2层以上5层以下的纸层,所述纸层通过水溶性或水分散性的粘接剂粘接,溶出率为2.0%以下。
Description
技术领域
本发明涉及一种纸筒用原纸和由该纸筒用原纸构成的纸筒,尤其涉及耐水性优异的纸筒。
背景技术
塑料因为价格低廉且易成形而被广泛用作各种制品的材料,一年中有3亿吨以上的塑料制品被生产。
虽然大部分的塑料制品得到了适当处置,但是其中一部分由于管理不足或非法丢弃,作为垃圾流出至环境中,最终抵达海洋。据推测流入海洋中的塑料垃圾的数量,一年达到800万吨以上,由于这些塑料垃圾中的大部分为非生物降解性,因此其大都累积在海洋中。
为了防止由于塑料垃圾造成的环境破坏的行动已开始,并追求以对环境负荷小的材料代替塑料制一次性制品。其中,就塑料制的吸管而言,美国1天消耗5亿根,全世界1天消耗10亿根以上,且报告有海鸟或海龟因为误食而引起的死亡案例,环境保护团体等发起了呼吁拒绝使用塑料制吸管的运动。
作为塑料制吸管的对环境负荷小的代替材料,生物降解性塑料及纸受到瞩目。
例如专利文献1、2中提案有纸制的吸管。其中,为了将耐水性差的纸制成吸管,专利文献1中,在纸材上涂布热可塑性树脂,专利文献2中,在纸基材的内外两面张贴聚乙烯薄膜或铝箔。
专利文献
专利文献1:日本特开平06-133840号公报
专利文献2:日本特开2009-233348号公报
发明内容
本发明的课题在于提供一种用于制造对环境的负荷小,且耐水性优异的纸筒的纸筒用原纸。
用于解决本发明的课题的方法如下所示。
1.一种纸筒用原纸,其特征在于,具有2层以上5层以下的纸层,
所述纸层通过水溶性或水分散性的粘接剂粘接,
溶出率为2.0%以下。
2.根据1.所述的纸筒用原纸,其特征在于,所述纸层的最外层的表面,基于JIS P8155:2010(王研法)所测定的平滑度为150秒以上。
3.根据1.或2.所述的纸筒用原纸,其特征在于,所述纸层的最外层的厚度为25μm以上100μm以下。
4.根据1.~3.中任一项所述的纸筒用原纸,其特征在于,所述粘接剂为水分散性。
5.一种纸筒,其特征在于,由1.~4.中任一项所述的纸筒用原纸构成。
6.根据5.所述的纸筒,其特征在于,直径为3mm以上20mm以下。
本发明的纸筒用原纸,以纸为主体,对环境的负荷小。此外,由于使用水溶性粘接剂或水分散性粘接剂,在制造时对环境的负荷也小。本发明的纸筒用原纸,由于使用安全性高的水溶性粘接剂或水分散性粘接剂,且溶出率低,因此可适用于吸管或搅拌棒等与饮品或嘴接触的纸筒(以下,也称为餐具用纸筒)。
最外层的表面,为基于日本工业标准JIS P 8155:2010(王研法)所测定的平滑度为150秒以上的纸筒用原纸,对嘴唇或舌头的吸附感小,且不适感小,因此可适用于吸管。若纸层的最外层的厚度为25μm以上100μm以下,则在螺旋卷起形成纸筒时,可以形成外表面平滑的纸筒。
附图说明
图1为表示粘接力的经时变化的图表。
具体实施方式
<纸筒用原纸>
以下,对本发明的详细内容进行说明。
本发明的纸筒用原纸(以下,也称为原纸)的特征在于,具有2层以上5层以下的纸层,该纸层通过水溶性或水分散性的粘接剂粘接,溶出率为2.0%以下。
本说明书中,溶出率是指通过下述方法计算得出的值。
(溶出率)
将纸筒用原纸D(g)(2~3g左右),裁切成1cm×1cm大小后,与超纯水(25℃)50ml一起添加至100ml容积的烧杯中,并以600rpm搅拌2小时。
搅拌结束后,用滤纸(Advantech公司制,No.2滤纸)吸引过滤并分离成固体成分和溶液。将得到的溶液在100℃下进行24小时的干燥凝固,测定析出的固体成分的重量d(g),并通过下述式(1)计算得出溶出率。
(式1)溶出率(%)=d(g)/D(g)×100
本发明的原纸,由于溶出率低至2.0%以下,因此可适用于餐具用纸筒的原纸。此外,因溶出的成分,有时液体中会产生浑浊或异味,但本发明的原纸,由于溶出率低,可以抑制这些情况的发生。本发明中,就溶出率而言,优选为1.5%以下,更优选为1.0%以下,进一步优选为0.7%以下。另外,自本发明的原纸中溶出的成分,其大部分来自粘接剂,极少量来自制纸用药剂等助剂。
本发明的原纸,具有2层以上5层以下的纸层。纸层的数量越少,耐水性越优异,然而却会变得难以卷成直径小的纸筒从而卷起加工性降低。因此,纸层的数量可根据耐水性与卷起加工性进行适当调整。
本发明的原纸,优选整体的基重为150g/m2以上400g/m2以下。若基重小于150g/m2,作为吸管使用时有时会出现刚度不足的情况。若基重超过400g/m2,有时会出现难以卷成纸筒的情况。基重的下限值优选为180g/m2以上,更优选为200g/m2以上。此外,基重的上限值,优选为370g/m2以下,更优选为350g/m2以下。
本发明的原纸,具有2层以上5层以下的纸层,但纸层的最外层的表面基于日本工业标准JIS P 8155:2010(王研法)所测定的平滑度优选为150秒以上。由最外层的表面的平滑度为150秒以上的原纸构成的纸筒,衔在嘴里时对嘴唇、舌头的吸附感小,且不适感也小故而优选。该平滑度更优选为200秒以上,进一步优选为500秒以上。尤其是若平滑度为1000秒以上,则可以得到具备与以往的塑料制吸管相同触感的纸筒。另外,本说明书中,最内层、最外层分别是指制成纸筒时位于最内侧的层、位于最外侧的层。
此外,若最外层为具有耐水性的纸层,作为吸管使用时可以防止水等液体从最外层侵入,从而当浸入液体中时,不易产生纸层间的剥离,故而优选。此外,当浸入有色液体中时,不易引起由于液体吸收而导致的着色,故而优选。此处,耐水性是指纸层在浸水状态下保持其形态约2小时左右,即使发生少许膨胀等时也不会发生实用性上的强度问题的性质。
本发明的原纸,纸层的最外层的厚度优选为25μm以上100μm以下。若纸层的最外层的厚度在上述范围内,则在将原纸螺旋卷起形成纸筒时,原纸的宽度方向上的重叠部分处的阶差变小,可以形成更平滑的纸筒。若纸层的最外层厚度小于25μm,则在纸筒制造时容易引起断纸和褶皱,卷起加工性差。此外,尤其是浸入液体中时,由于冲击等容易破损。另一方面,若纸层的最外层厚度大于100μm,则难以卷成纸筒,卷起加工性也差。此外,尤其是浸入液体中时,容易从端部剥离。另外,本发明的原纸中,各层的厚度、基重可以相同也可以不同。
<纸层>
本发明中,纸层是由纸浆、填料、各种助剂等构成的层。
将本发明的纸筒用原纸作为餐具用纸筒的原纸使用时,优选使用作为食品添加物得到认可或已经取得FDA认证等符合食品安全性的物质。
作为纸浆,可将以下公知的纸浆进行适当调配使用:针叶木的漂白牛皮纸浆(NBKP)、针叶木的未漂白牛皮纸浆(NUKP)、阔叶木的漂白牛皮纸浆(LBKP)、阔叶木的未漂白牛皮纸浆(LUKP)、亚硫酸盐纸浆(SP)等木材的化学纸浆,磨木浆(GP)、精制磨木浆(RGP)、磨石磨木浆(SGP)、化学磨木浆(CGP)、半化学纸浆(SCP)、热磨机械浆(TMP)、化学热磨机械浆(CTMP)等木材的机械纸浆,由洋麻、蔗渣、竹、麻、秸秆等得到的非木材纸浆,以旧纸为原料通过脱墨工序去除旧纸中含有的墨水而得的旧纸纸浆等。
但是,在将本发明的纸筒用原纸作为餐具用纸筒的原纸使用时,优选不易混入异物的LBKP、NBKP等化学纸浆,此外,优选旧纸纸浆的调配量小。具体而言,相对于纸浆总量,化学纸浆的调配量优选为80质量%以上,更优选为90质量%以上,进一步优选为95质量%以上,最优选为100质量%。
作为填料,可以使用以下公知的填料:滑石、高岭土、煅烧高岭土、粘土、重质碳酸钙、轻质碳酸钙、白炭黑、沸石、碳酸镁、碳酸钡、二氧化钛、氧化锌、氧化硅、无定形二氧化硅、氢氧化铝、氢氧化钙、氢氧化镁、氢氧化锌、硫酸钡、硫酸钙等无机填料,脲醛树脂、聚苯乙烯树脂、酚醛树脂、微小中空粒子等有机填料等。另外,填料不是必须材料,可以不使用。
作为各种助剂,可列举松香、烷基烯酮二聚体(AKD)、烯基琥珀酸酐(ASA)等施胶剂(Sizing agent)、聚丙烯酰胺类高分子、聚乙烯醇类高分子、阳离子化淀粉、各种改性淀粉、脲醛树脂、三聚氰胺甲醛树脂等干强剂、湿强剂、助留剂、助滤剂、凝结剂、硫酸铝、疏松剂(Bulking agent)、染料、荧光增白剂、pH调节剂、消泡剂、抗紫外线剂、防褪色剂、树脂控制剂、腐浆控制剂(Slime controling agent)等,可根据需要适当地选择使用。
本发明中,纸层优选含有湿强剂。就湿强剂而言,可使用聚酰胺聚胺表氯醇树脂(Polyamide polyamine epichlorohydrin resin)、聚胺表氯醇树脂、聚酰胺表氯醇树脂、聚乙烯胺树脂、聚乙烯亚胺树脂等。其中优选聚酰胺聚胺表氯醇树脂。
就湿强剂而言,在制造工序中,相对于全纸浆,优选在0.1质量%以上1.5质量%以下的范围内进行添加,更优选在0.5质量%以上1.0质量%以下的范围内进行添加。
就湿强剂的量而言,可以通过基于凯氏定氮法、能量分散性X线分析等的元素分析进行定量。本发明中,纸层所含的湿强剂的量是指,将使用凯氏定氮法进行定量的氮元素全部设定为来源于聚酰胺聚胺表氯醇树脂樹脂的情况下的换算值。就纸层而言,相对于纸浆总量,优选含有0.05质量%以上0.70质量%以下的湿强剂。
<粘接剂>
粘接剂是使相邻的纸层彼此贴合的物质。
就本发明而言,作为粘接剂,使用水溶性粘接剂或水分散性粘接剂,但是优选使用水分散性粘接剂。
就水溶性粘接剂而言,一般难以提高固体成分浓度,假设即使能够提高固体成分浓度,有时会发生粘度上升且操作性降低的情况。另一方面,就水分散性粘接剂而言,与水溶性粘接剂相比容易提高固体成分浓度,进一步,不依赖于固体成分浓度,粘度几乎是恒定的。因此,水分散性粘接剂可以通过提高固体成分浓度来缩短从涂布粘接剂到水挥发且粘接强度显现为止的时间。尤其是,若纸层的至少一层为具有耐水性的纸层,则到粘接强度显现为止的时间会变长,但是通过使用水分散性粘接剂,能够缩短到粘接强度显现为止的时间,因此可以有效地防止制造后即刻的纸层间的剥离。此外,可以缩短养生处理,进一步可以不需要。
作为本发明中使用的水溶性粘接剂、水分散性粘接剂,可列举例如聚乙烯醇类、聚氧化乙烯类、聚丙烯酰胺类、淀粉类、明胶、酪蛋白、醚类纤维素、酚醛树脂类、水玻璃等水溶性粘接剂,丙烯酸类、乙酸乙烯酯类、乙烯-乙酸乙烯酯共聚物类、苯乙烯-丁二烯共聚物类、氨基甲酸乙酯类、α-烯烃类等水分散性粘接剂。在这些物质中,由于能够降低溶出率,作为水溶性粘接剂优选聚乙烯醇类、酚醛树脂类,作为水分散性粘接剂,优选丙烯酸类、苯乙烯-丁二烯共聚物类。
<抄纸、粘接方法>
纸层的制造(抄纸)方法、抄纸机的机型并无特殊限定,可选择长网造纸机、双网造纸机、圆网造纸机、夹网成形机(Gap former)、混合成形机(叠网成形机(On-top former))等公知的制造(抄纸)方法、抄纸机。
此外,抄纸时的pH为酸性区域(酸性抄纸)、伪中性区域(伪中性抄纸)、中性区域(中性抄纸)、碱性区域(碱性抄纸)中的任意一种皆可,也可于酸性区域进行抄纸后,在纸层的表面涂布碱性药剂。
粘接纸层的方法并无特殊限定,可列举将抄纸、干燥后的纸层裁切成特定幅面后进行粘接的方法、对抄纸后的纸层在湿润状态下进行粘接并在干燥后进行裁切的方法等。
<纸筒>
由本发明的纸筒用原纸,可制造纸筒。纸筒的形状并无特殊限制,可以制造成圆筒状、多边形筒状等。纸筒的制造方法并无特殊限制,可以由螺旋卷、平卷等公知的方法进行制造,然而由于可连续生产故而优选螺旋卷。
纸筒的直径并无特殊限制,根据其用途可制成各种直径。例如,由于本发明的纸筒耐水性优异,因此直径3mm以上20mm以下的纸筒可适用于餐具用纸筒,若直径为4mm以上15mm以下,则可更加适用。另外,本发明的纸筒的直径是指纸筒的外径。
实施例
以下,通过实施例来对本发明进行说明,然而本发明并不仅限定于下述实施例。
下述表1表示使用的纸层和粘接剂。
[表1]
“实施例1”
在直径8mm的芯棒内,自最内层侧起以A/B/C的层叠顺序,将粘接剂a(水分散性粘接剂,丙烯酸类)以使各层间固体成分达到20g/m2的方式进行涂布,将纸层螺旋卷起并进行粘接,得到由整体的基重为270g/m2的纸筒用原纸构成的纸筒。
“实施例2”
除了使用粘接剂b(水溶性粘接剂、耐水聚乙烯醇类)以外,与实施例1同样地得到由整体基重为270g/m2的纸筒用原纸构成的纸筒。
“比较例1”
除了使用粘接剂c(水分散粘接剂、乙酸乙烯酯类)以外,与实施例1同样地得到由整体基重为270g/m2的纸筒用原纸构成的纸筒。
对实施例1、2、比较例1中所得到的纸筒,进行下述评价。结果示于表2。
<溶出率>
从将纸筒裁切成长度1cm的测定样品约2g中,通过上述方法计算得出溶出率。
<剥离>
将制造后即刻和制造60分钟后的纸筒通过手动式切纸机裁切成约1cm的长度,并通过目测对裁切面的纸层的剥离情况进行评价。
○:纸层完全未剥离。
△:纸层的剥离相对于纸筒的周长为1/4以下。
×:纸层的剥离相对于纸筒的周长超过1/4。
<吸附感>
将纸筒像塑料制吸管一样衔在嘴唇间10秒,按照下述标准进行评价。
○:不吸附在嘴唇上。
△:轻微吸附在嘴唇上。
×:吸附在嘴唇上。
[表2]
比较例1中制造的纸筒用原纸,溶出率高达2.17%,此外,过滤后的溶液白浊。
另一方面,本发明的实施例1、2中制造的纸筒用原纸,溶出率低至1%以下,且过滤后的溶液也是透明的。此外,在使用粘接剂b的实施例2中制造的纸筒,虽然制造后即刻层间的粘接力稍低,但在60分钟后牢固地粘贴在一起。
无论哪一种纸筒,只要衔在嘴唇间就会吸附在嘴唇上,使用时的不适感较大。此外,由于最外层所使用的纸层的纸厚厚达130μm,因此就所得到的纸筒的最外面而言,纸层C的重叠部分处的阶差大。
<粘接力的经时变化测定>
由上述实施例1、2、比较例1可知,粘接剂b的粘接强度的显现较慢。为了确认由于粘接剂的不同而导致的粘接强度的显现性的差异,使用上述表1的纸层A~D、粘接剂a~c,测定粘接力的经时变化。
制作2个裁切成长边100mm×短边50mm的纸层,向2个纸层间滴加粘接剂,用橡胶辊筒进行按压,使粘接剂遍布在2个纸层间,同时去除多余的粘接剂后,自长边端部侧剥离40mm,并制成样品。
对粘接30秒后的样品,将剥离的长边端部分别夹持在立式拉伸试验机(A&D公司制,TENSILON)的上下夹具上,一边以5mm/min的速度从长边端部侧剥离样品,一边测定剥离强度,即粘接强度的经时变化。
将粘接层和纸层之间的界面未发生剥离而纸层被破坏的时间示于表3,将纸层未被破坏的纸层A的粘接力的经时变化示于图1。
[表3]
纸层B~D中,水分散性的粘接剂a、c,与水溶性的粘接剂b相比,粘接强度的显现快,到纸层被破坏为止的时间短。
纸层A由于具有耐水性,所以水的挥发较慢,在测定时间内并未引起纸层的破坏,但就粘接强度的上升而言,水分散性的粘接剂a、c比水溶性的粘接剂b快。
由此可以确认,水分散性粘接剂与水溶性粘接剂相比,粘接强度在早期显现。
“实施例3”
在直径8mm的芯棒内,自最内层侧起以A/C/C/A的层叠顺序,将粘接剂a以使各层间固体成分达到20g/m2的方式进行涂布,将纸层螺旋卷起并进行粘接,得到由整体的基重为340g/m2的纸筒用原纸构成的纸筒。
“实施例4”
除了将纸层的层叠顺序设定为自最内层侧起A/B/B/A以外,与实施例3同样地得到由整体的基重为300g/m2的纸筒用原纸构成的纸筒。
“实施例5”
除了将纸层的层叠顺序设定为自最内层侧起A/C/C/D以外,与实施例3同样地得到由整体的基重为360g/m2的纸筒用原纸构成的纸筒。
对实施例3~5中所得到的纸筒,进行与上述同样的评价。结果示于表4。
[表4]
实施例3~5中制造的纸筒用原纸,溶出率低至0.5%以下,且过滤后的溶液也是透明的。此外,制造后即刻起粘接强度优异,即使在制造后即刻进行裁切,纸层间也不会发生剥离。
最外层使用纸层A(平滑度1547秒,纸厚30μm)的实施例3、4中所得到的纸筒,对嘴唇无吸附感,且具有与塑料制吸管相同的使用感。此外,所得到的纸筒最外面,纸层A的重叠部分处的阶差小且平滑。
最外层使用纸层D(平滑度152秒,纸厚78μm)的实施例5中所得到的纸筒,衔住时轻微吸附在嘴唇上,但不适感小。此外,所得到的纸筒的最外面,纸层D的重叠部分处的阶差较小且大致平滑。
Claims (6)
1.一种纸筒用原纸,其特征在于,具有2层以上5层以下的纸层,
所述纸层通过水溶性或水分散性的粘接剂粘接,
溶出率为2.0%以下。
2.根据权利要求1所述的纸筒用原纸,其特征在于,所述纸层的最外层的表面,基于JISP 8155:2010即王研法所测定的平滑度为150秒以上。
3.根据权利要求1或2所述的纸筒用原纸,其特征在于,所述纸层的最外层的厚度为25μm以上100μm以下。
4.根据权利要求1~3中任一项所述的纸筒用原纸,其特征在于,所述粘接剂为水分散性。
5.一种纸筒,其特征在于,由权利要求1~4中任一项所述的纸筒用原纸构成。
6.根据权利要求5所述的纸筒,其特征在于,直径为3mm以上20mm以下。
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PCT/JP2019/036822 WO2020059818A1 (ja) | 2018-09-21 | 2019-09-19 | 紙筒用原紙、及び紙筒 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0284478A (ja) * | 1988-09-19 | 1990-03-26 | Kuraray Co Ltd | 紙用接着剤 |
JP2000204340A (ja) * | 1999-01-14 | 2000-07-25 | Sekisui Chem Co Ltd | 接着剤組成物及びそれを用いた紙管 |
JP2001172593A (ja) * | 1999-12-15 | 2001-06-26 | Kuraray Co Ltd | 接着剤 |
JP2002003806A (ja) * | 2000-06-21 | 2002-01-09 | Kuraray Co Ltd | 接着剤 |
JP2010126360A (ja) * | 2008-12-01 | 2010-06-10 | Fuji Shikan Co Ltd | 紙管およびその製造方法 |
JP2012158854A (ja) * | 2011-02-02 | 2012-08-23 | Nippon Paper Industries Co Ltd | 紙容器用原紙 |
CN204764814U (zh) * | 2015-07-07 | 2015-11-18 | 贾斌 | 一种纸吸管 |
US9974403B1 (en) * | 2014-05-07 | 2018-05-22 | Precision Products Group, Inc. | Flexible straw and system and method of manufacturing the same |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3581744A (en) | 1968-05-03 | 1971-06-01 | Joseph A Voss | Laminated tube structure |
JPS53110517U (zh) * | 1977-02-10 | 1978-09-04 | ||
JP2564834B2 (ja) * | 1987-07-20 | 1996-12-18 | 東レ株式会社 | 耐熱容器 |
JP2946442B2 (ja) * | 1992-05-15 | 1999-09-06 | 富士写真フイルム株式会社 | 感光材料用紙管及びその製造方法並びに紙管を用いたロール状感光材料包装体 |
JPH06133840A (ja) | 1992-10-26 | 1994-05-17 | Shigeru Nakagawa | 紙 管 |
JPH09137399A (ja) * | 1995-11-08 | 1997-05-27 | Oji Paper Co Ltd | 剥離紙の製造方法 |
JPH09314759A (ja) * | 1996-05-28 | 1997-12-09 | Rengo Co Ltd | 防湿紙およびその製造方法 |
JP3734055B2 (ja) * | 1996-11-14 | 2006-01-11 | 富士写真フイルム株式会社 | ロール状写真感光材料用紙管 |
JPH10330572A (ja) * | 1997-06-03 | 1998-12-15 | Unitika Chem Co Ltd | 水性エマルジョン組成物およびそれを主成分とする接着剤 |
JP2009233348A (ja) | 2009-07-10 | 2009-10-15 | Michitaka Kaida | 紙製ストロー |
JP5859238B2 (ja) * | 2011-07-22 | 2016-02-10 | 大王製紙株式会社 | トイレットロール |
JP5806060B2 (ja) * | 2011-09-27 | 2015-11-10 | 大王製紙株式会社 | トイレットロール |
AU2013344813B2 (en) * | 2012-11-13 | 2017-07-20 | Consystex Pty Ltd | A formwork or construction element and a new material |
JP6604798B2 (ja) * | 2015-03-30 | 2019-11-13 | 大王製紙株式会社 | 紙管及び当該紙管を使用したロール状シート |
JP6721350B2 (ja) * | 2016-01-29 | 2020-07-15 | 日本製紙クレシア株式会社 | 巻芯紙管、及びそれを備えたシートロール |
JP3216663U (ja) * | 2018-04-03 | 2018-06-14 | ▲ユ▼▲ティン▼ 許 | 飲料用紙製ストロー |
JP3218847U (ja) * | 2018-08-31 | 2018-11-08 | 株式会社 サンテック | 紙製ストロー |
-
2018
- 2018-09-21 JP JP2018177178A patent/JP6662978B1/ja active Active
-
2019
- 2019-09-19 CN CN201980061095.9A patent/CN112739536B/zh active Active
- 2019-09-19 EP EP19861433.1A patent/EP3854586B1/en active Active
- 2019-09-19 US US17/276,092 patent/US11613850B2/en active Active
- 2019-09-19 WO PCT/JP2019/036822 patent/WO2020059818A1/ja unknown
- 2019-09-20 TW TW108134036A patent/TWI802752B/zh active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0284478A (ja) * | 1988-09-19 | 1990-03-26 | Kuraray Co Ltd | 紙用接着剤 |
JP2000204340A (ja) * | 1999-01-14 | 2000-07-25 | Sekisui Chem Co Ltd | 接着剤組成物及びそれを用いた紙管 |
JP2001172593A (ja) * | 1999-12-15 | 2001-06-26 | Kuraray Co Ltd | 接着剤 |
JP2002003806A (ja) * | 2000-06-21 | 2002-01-09 | Kuraray Co Ltd | 接着剤 |
JP2010126360A (ja) * | 2008-12-01 | 2010-06-10 | Fuji Shikan Co Ltd | 紙管およびその製造方法 |
JP2012158854A (ja) * | 2011-02-02 | 2012-08-23 | Nippon Paper Industries Co Ltd | 紙容器用原紙 |
US9974403B1 (en) * | 2014-05-07 | 2018-05-22 | Precision Products Group, Inc. | Flexible straw and system and method of manufacturing the same |
CN204764814U (zh) * | 2015-07-07 | 2015-11-18 | 贾斌 | 一种纸吸管 |
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