CN105926372A - 一种具有阻燃隔热功效的瓦楞纸板的制备方法 - Google Patents

一种具有阻燃隔热功效的瓦楞纸板的制备方法 Download PDF

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CN105926372A
CN105926372A CN201610287735.6A CN201610287735A CN105926372A CN 105926372 A CN105926372 A CN 105926372A CN 201610287735 A CN201610287735 A CN 201610287735A CN 105926372 A CN105926372 A CN 105926372A
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王国良
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Taicang Yuanchuang Packaging Material Plant
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    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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    • DTEXTILES; PAPER
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    • DTEXTILES; PAPER
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    • D21H19/36Coatings with pigments
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    • D21H19/62Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
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Abstract

本发明公开了一种具有阻燃隔热功效的瓦楞纸板的制备方法,该制备方法包括如下步骤:a)选材备料,b)制备阻燃层,c)制备隔热层,d)瓦楞纸板的粘合处理,e)后续整理。本发明揭示了一种具有阻燃隔热功效的瓦楞纸板的制备方法,该制备方法工序安排合理,成本适中,瓦楞纸板外层的内、外两侧上分别增设了阻燃层和隔热层结构,阻燃层可有效降低瓦楞纸板遇到明火时燃烧的几率,而隔热层可有效降低瓦楞纸板热传导的能力,上述结构改进使得瓦楞纸板可在高温或易燃环境中使用,有效的提升了瓦楞纸板的实用性能和应用范围。

Description

一种具有阻燃隔热功效的瓦楞纸板的制备方法
技术领域
本发明涉及一种瓦楞纸板的制备方法,尤其涉及一种具有阻燃隔热功效的新型瓦楞纸板的制备方法,属于包装材料技术领域。
背景技术
瓦楞纸板是一个多层的黏合体,它最少由一层波形纸芯层及一层纸板构成。瓦楞纸板具有很高的机械强度,能抵受货物搬运过程中的碰撞和摔跌,主要用于制造纸箱、纸箱的夹心以及易碎商品的外包装。瓦楞纸板受温度影响小,遮光性能好,一般受湿度影响也较小,但不宜在湿度较大的环境中长期使用。
日前,我国瓦楞纸板生产厂商的数目不断增加,其生产技术也得到了长足进步。但是,瓦楞纸板主要由纤维原纸制成, 容易受到湿度、温度等外部环境因素的影响。在一些温度较高的环境中,瓦楞纸板容易将吸收的热量传导至所包装的物品上,间接的降低了物品的品质;而当瓦楞纸板直接遭遇明火时,则容易发生燃烧现象,直接的破坏了所包装的物品,给人们带来经济损失。
发明内容
针对上述需求,本发明提供了一种具有阻燃隔热功效的瓦楞纸板的制备方法,该制备方法工序安排合理,在外层的内、外两侧上分别增设了阻燃层和隔热层结构,阻燃层可有效降低瓦楞纸板遇到明火时燃烧的几率,而隔热层可有效降低瓦楞纸板热传导的能力,上述结构改进使得瓦楞纸板在使用时更为安全、可靠。
本发明是一种具有阻燃隔热功效的瓦楞纸板的制备方法,该制备方法包括如下步骤:a)选材备料,b)制备阻燃层,c)制备隔热层,d)瓦楞纸板的粘合处理,e)后续整理。
在本发明一较佳实施例中,所述的步骤a)中,外层和里层选用木纤维纸板,外层的厚度约为1.2-1.25mm,里层的厚度约为1.1-1.2mm;中间层选用瓦楞原纸,其厚度可以是2.5mm、3mm、3.5mm、3.5mm四种规格。
在本发明一较佳实施例中,所述的步骤b)中,阻燃层成型于外层的上表面,其主要成分及其百分含量配比为:陶瓷微粒35%-40%、固化剂8%-10%、粘合剂8%-12%、流平剂4%-8%,其余为稀释剂;陶瓷微粒的颗粒度约为600目,固化剂选用陶瓷颗粒固化剂,粘合剂选用有机硅系粘合剂,流平剂选用硅油,稀释剂选用丙酮溶液。
在本发明一较佳实施例中,所述的阻燃层的制备为:首先,将陶瓷微粒置于反应釜中,依次添加各种助剂并进行机械搅拌,反应釜温度控制在70℃-75℃;然后,添加稀释剂,反应釜温度降为60℃左右;接着,将混合料导入涂覆机的料筒中,料筒温度控制在70℃-75℃,刮刀与外层之间的间距控制在0.3mm,刮刀的移动速度控制在0.1-0.15m/s,挤出压力控制在0.2-0.25MPa;最后,将半成品送入烘干设备,烘干温度约为40℃,时间为2-3小时。
在本发明一较佳实施例中,所述的步骤c)中,隔热层为玻璃纤维毡布,与外层的内侧面之间使用环氧树脂软胶进行粘合,软胶厚度约为0.02mm,粘合压力控制在20-25N,施压时间约为10-15分钟;粘合后的烘干温度约为40℃,时间约为1-1.5小时。
在本发明一较佳实施例中,所述的步骤d)中,瓦楞纸板采用淀粉胶合剂进行粘合,胶合剂的糊化温度控制在55℃-60℃,时间约为30-35分钟。
本发明揭示了一种具有阻燃隔热功效的瓦楞纸板的制备方法,该制备方法工序安排合理,成本适中,瓦楞纸板外层的内、外两侧上分别增设了阻燃层和隔热层结构,阻燃层可有效降低瓦楞纸板遇到明火时燃烧的几率,而隔热层可有效降低瓦楞纸板热传导的能力,上述结构改进使得瓦楞纸板可在高温或易燃环境中使用,有效的提升了瓦楞纸板的实用性能和应用范围。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明:
图1是本发明实施例具有阻燃隔热功效的瓦楞纸板的制备方法的工序步骤图。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
图1是本发明实施例具有阻燃隔热功效的瓦楞纸板的制备方法的工序步骤图;该制备方法包括如下步骤:a)选材备料,b)制备阻燃层,c)制备隔热层,d)瓦楞纸板的粘合处理,e)后续整理。
实施例1
本发明提及的具有阻燃隔热功效的瓦楞纸板的具体制备过程如下:
a)选材备料,外层和里层选用木纤维纸板,外层的厚度约为1.2-1.25mm,里层的厚度约为1.1-1.2mm;中间层选用瓦楞原纸,其厚度为3mm;
b)制备阻燃层,阻燃层采用涂覆工艺成型于外层的上表面,阻燃层的主要成分及其百分含量配比为:陶瓷微粒35%、固化剂8%、粘合剂8%、流平剂6%,其余为稀释剂;其中,陶瓷微粒的颗粒度约为600目,固化剂选用陶瓷颗粒固化剂,粘合剂选用有机硅系粘合剂,流平剂选用硅油,稀释剂选用浓度为70%的丙酮溶液;
涂覆工艺包括如下步骤:首先,将陶瓷微粒置于反应釜中,依次添加各种助剂并进行机械搅拌,反应釜温度控制在70℃-72℃,搅拌时间约为50分钟;然后,添加稀释剂,反应釜温度降为60℃左右,稀释后混合料的浓度控制在40%;接着,将混合料导入涂覆机的料筒中,料筒温度控制在70℃左右,刮刀与外层之间的间距控制在0.3mm,刮刀的移动速度控制在0.1-0.12m/s,挤出压力控制在0.2MPa左右;最后,将半成品送入烘干设备,烘干温度约为40℃,时间为2-2.5小时;通过上述工艺制得的阻燃层厚度约为0.2mm;
c)制备隔热层,隔热层为玻璃纤维毡布,具体为短切原丝毡,厚度约为0.2mm;隔热层贴合于外层的内侧,与外层之间使用环氧树脂软胶进行粘合,软胶厚度约为0.02mm,粘合压力控制在22N,施压时间约为12分钟;粘合后的烘干温度约为40℃,时间约为1-1.5小时;通过上述工艺制得的外层总厚度控制在1.6-1.7mm;
d)瓦楞纸板的粘合处理,瓦楞纸板采用淀粉胶合剂进行粘合,胶合剂的糊化温度控制在55℃-60℃,时间约为30-35分钟;
e)后续整理,该工序包括裁剪、包装和存放等。
实施例2
本发明提及的具有阻燃隔热功效的瓦楞纸板的具体制备过程如下:
a)选材备料,外层和里层选用木纤维纸板,外层的厚度约为1.2-1.25mm,里层的厚度约为1.1-1.2mm;中间层选用瓦楞原纸,其厚度可以是2.5mm、3mm、3.5mm、3.5mm四种规格;
b)制备阻燃层,阻燃层采用涂覆工艺成型于外层的上表面,阻燃层的主要成分及其百分含量配比为:陶瓷微粒38%、固化剂9%、粘合剂8%、流平剂5%,其余为稀释剂;其中,陶瓷微粒的颗粒度约为600目,固化剂选用陶瓷颗粒固化剂,粘合剂选用有机硅系粘合剂,流平剂选用硅油,稀释剂选用浓度为70%的丙酮溶液;
涂覆工艺包括如下步骤:首先,将陶瓷微粒置于反应釜中,依次添加各种助剂并进行机械搅拌,反应釜温度控制在74℃-75℃,搅拌时间不少于40分钟;然后,添加稀释剂,反应釜温度降为60℃左右,稀释后混合料的浓度控制在42%;接着,将混合料导入涂覆机的料筒中,料筒温度控制在75℃左右,刮刀与外层之间的间距控制在0.3mm,刮刀的移动速度控制在0.12-0.14m/s,挤出压力控制在0.25MPa左右;最后,将半成品送入烘干设备,烘干温度约为40℃,时间为2.5-3小时;通过上述工艺制得的阻燃层厚度约为0.25mm;
c)制备隔热层,隔热层为玻璃纤维毡布,具体为短切原丝毡,厚度约为0.2mm;隔热层贴合于外层的内侧,与外层之间使用环氧树脂软胶进行粘合,软胶厚度约为0.02mm,粘合压力控制在25N左右,施压时间约为15分钟;粘合后的烘干温度约为40℃,时间约为1-1.5小时;通过上述工艺制得的外层总厚度控制在1.6-1.7mm;
d)瓦楞纸板的粘合处理,瓦楞纸板采用淀粉胶合剂进行粘合,胶合剂的糊化温度控制在55℃-60℃,时间约为30-35分钟;
e)后续整理,该工序包括裁剪、包装和存放等。
本发明揭示了一种具有阻燃隔热功效的瓦楞纸板的制备方法,其特点是:该制备方法工序安排合理,成本适中,瓦楞纸板外层的内、外两侧上分别增设了阻燃层和隔热层结构,阻燃层可有效降低瓦楞纸板遇到明火时燃烧的几率,而隔热层可有效降低瓦楞纸板热传导的能力,上述结构改进使得瓦楞纸板可在高温或易燃环境中使用,有效的提升了瓦楞纸板的实用性能和应用范围。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本领域的技术人员在本发明所揭露的技术范围内,可不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (6)

1.一种具有阻燃隔热功效的瓦楞纸板的制备方法,其特征在于,该制备方法包括如下步骤:a)选材备料,b)制备阻燃层,c)制备隔热层,d)瓦楞纸板的粘合处理,e)后续整理。
2.根据权利要求1所述的具有阻燃隔热功效的瓦楞纸板的制备方法,其特征在于,所述的步骤a)中,外层和里层选用木纤维纸板,外层的厚度约为1.2-1.25mm,里层的厚度约为1.1-1.2mm;中间层选用瓦楞原纸,其厚度可以是2.5mm、3mm、3.5mm、3.5mm四种规格。
3.根据权利要求1所述的具有阻燃隔热功效的瓦楞纸板的制备方法,其特征在于,所述的步骤b)中,阻燃层成型于外层的上表面,其主要成分及其百分含量配比为:陶瓷微粒35%-40%、固化剂8%-10%、粘合剂8%-12%、流平剂4%-8%,其余为稀释剂;陶瓷微粒的颗粒度约为600目,固化剂选用陶瓷颗粒固化剂,粘合剂选用有机硅系粘合剂,流平剂选用硅油,稀释剂选用丙酮溶液。
4.根据权利要求3所述的具有阻燃隔热功效的瓦楞纸板的制备方法,其特征在于,所述的阻燃层的制备为:首先,将陶瓷微粒置于反应釜中,依次添加各种助剂并进行机械搅拌,反应釜温度控制在70℃-75℃;然后,添加稀释剂,反应釜温度降为60℃左右;接着,将混合料导入涂覆机的料筒中,料筒温度控制在70℃-75℃,刮刀与外层之间的间距控制在0.3mm,刮刀的移动速度控制在0.1-0.15m/s,挤出压力控制在0.2-0.25MPa;最后,将半成品送入烘干设备,烘干温度约为40℃,时间为2-3小时。
5.根据权利要求1所述的具有阻燃隔热功效的瓦楞纸板的制备方法,其特征在于,所述的步骤c)中,隔热层为玻璃纤维毡布,与外层的内侧面之间使用环氧树脂软胶进行粘合,软胶厚度约为0.02mm,粘合压力控制在20-25N,施压时间约为10-15分钟;粘合后的烘干温度约为40℃,时间约为1-1.5小时。
6.根据权利要求1所述的具有阻燃隔热功效的瓦楞纸板的制备方法,其特征在于,所述的步骤d)中,瓦楞纸板采用淀粉胶合剂进行粘合,胶合剂的糊化温度控制在55℃-60℃,时间约为30-35分钟。
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