CN106848862A - 一种复合阻燃纸板及其制备方法 - Google Patents

一种复合阻燃纸板及其制备方法 Download PDF

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CN106848862A
CN106848862A CN201710044568.7A CN201710044568A CN106848862A CN 106848862 A CN106848862 A CN 106848862A CN 201710044568 A CN201710044568 A CN 201710044568A CN 106848862 A CN106848862 A CN 106848862A
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layers
layer
composite flame
cem1
proof cardboard
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CN106848862B (zh
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戴继文
林以海
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Xiamen Hongcheng Composite Material Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2307/00—Properties of the layers or laminate
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  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明公开了一种复合阻燃纸板及其制备方法。复合阻燃纸板，其特征在于，其结构从外到中心依次为表层，次表层和夹芯部分；其中表层为1‑2层的MP层；次表层为最少1层的CEM1层；夹芯部分为至少一层的夹芯层，其中夹芯层为1‑3层的PP层和1‑2层的CEM1层组成。本发明所述复合阻燃纸板具有很好的拉伸强度(133‑140MPa)、垂直层向弯曲强度(MPa)(257‑267MPa)、相比电痕化指数(大于等于400)、耐电弧(124‑128)和垂直层向电气强度(常态油中，快速升压，25mm/75mm圆柱电极)(27.2‑30)，燃烧性为V‑0级，性质优良。

Description

一种复合阻燃纸板及其制备方法
技术领域
本发明涉及阻燃板领域，尤其涉及一种复合阻燃纸板及其制备方法。
背景技术
现阶段市场上开关柜内使用的警示隔板多为通体的UPGM203板材，成本较高，成呈淡红色，并不显眼，而且材料硬度较低易磨损。
发明内容
本发明的目的在于提供一种表面为鲜艳大红色，机械强度、电气性能满足电气开关隔板的要求，成本低的复合阻燃纸板。
为实现上述目的，本发明提供一种复合阻燃纸板，其特征在于，其结构从外到中心依次为表层，次表层和夹芯部分；其中表层为1-2层的MP层；次表层为最少1层的CEM1层；夹芯部分为至少一层的夹芯层，其中夹芯层为1-3层的PP层和1-2层的CEM1层组成。
进一步，所述MP层的单层厚度为0.13-0.2mm。
进一步，所述CEM1层的单层厚度为0.15-0.25mm。
进一步，所述PP层的单层厚度为0.10--0.20mm。
进一步，制备方法为，将所需材料PP层，CEM1层，MP层按照结构排列，送入层压机，
起始温度为30-35℃，压制压力为60-90bar，压机吨位1250T，产品宽幅1050x1250mm；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；
然后保压，升温至150℃；
再在60-90min内冷却至材料50-70℃，同步降压；
至常温状态即可。
本发明还提供一种所述复合阻燃纸板的制备方法，其特征在于，将所需材料PP层，CEM1层，MP层按照结构排列，送入层压机，
起始温度为30-35℃，压制压力为60-90bar；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；
然后保压，自然降温至150℃；
再在60-90min内冷却至材料50-70℃，同步降压；至常温状态即可。
起始材料温度为30-35℃，压制压力为60-90bar；压机吨位1250T，产品宽幅1050x1250mm,此时胶水为半固体状态；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；此时胶水为液体状态；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；此时胶水为液体状态；
然后保压，升温至150℃；此时胶水为半固化态转为固态；
再在60-90min内冷却至材料50-70℃，同步降压；此时胶水为固体状态，将各层紧密的连接在一起；
至常温状态即得到本发明的复合阻燃纸板。
上述层压机的温度高于上述各步骤要求，产品成型后未及时冷却，会老化，温度低于上述各步骤要求，则固化不完全；升温降温速率快于上述要求，材料容易气泡，慢于上述要求，效率低，不利于工业化大生产。如果温度高，此时胶水在慢慢熔化，加上压力高，胶水会溢出，钢材可能会跑出来，使得得到的复合阻燃纸板不平整。
本发明所述复合阻燃纸板，具有产品成本降低，强化隔板安全警示作用的优势。
本发明采用选择硬度高、耐磨、表面鲜艳可以起警示作用的三聚氰胺浸渍纸做板材表面。三聚氰胺树脂电气性能好、耐热性好，但是固化后脆性高，且价格高，而环氧树脂浸渍的阻燃纸，价格低，固化后韧性好。
本发明采用层复合结构，使用阻燃型三聚氰胺树脂含浸纸制作表面，使产品硬度高，不易划伤，板芯采用环氧基阻燃纸及环氧玻璃布复合材料，使电性能更稳定，强度、韧性有所提升。
所述MP层即为三聚氰胺浸渍纸，单层厚度要求是0.13-0.2mm/层；CEM1为环氧树脂浸渍纸，单层厚度要求是0.15-0.25mm/层；所述PP层为环氧玻璃布，单层厚度要求是0.1-0.2mm/层。
本发明所述MP层为1-2层，主要作用为耐磨；外观均衡性和颜色均衡性；防火。高于2层，更硬更脆，加工过程中容易爆边。本身电气性能优良，比如耐电伏击穿。
夹芯为PP+CEM1，其中PP不能同时叠加多余2-3层，加布后机械强度如拉伸强度、弯曲强度和抗冲击强度增强。
本发明所述复合阻燃纸板采用对称结构：对称叠加，以使两面效果一致。
本发明所述复合阻燃纸板，拉伸强度符合标准，但是表面硬度高、厚度平整，厚度均匀性好，比重降低达1.5-1.6(现有技术是1.9-2.1)，电气性能负荷要求，成本降低。
本发明所述复合阻燃纸板具有很好的拉伸强度(133-140MPa)、垂直层向弯曲强度(MPa)(257-267MPa)、相比电痕化指数(大于等于400)、耐电弧(124-128)和垂直层向电气强度(常态油中，快速升压，25mm/75mm圆柱电极)(27.2-30)，燃烧性为V-0级，性质优良。
附图说明
图1是实施例1所得复合阻燃纸板的结构示意图。
图2是实施例2所得复合阻燃纸板的结构示意图。
图3是实施例3所得复合阻燃纸板的结构示意图。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。实施例中未注明具体技术或条件者，按照本领域内的文献所描述的技术或条件或者按照产品说明书进行。所用试剂或仪器未注明生产厂商者，均为可以通过市购获得的常规产品。
实施例1：复合阻燃纸板的制备
材料准备：
将1层MP层，1层CEM1层，1层PP层，2层的CEM1层，1层PP层，1层CEM1层，1层MP层的结构顺序，码好，送入层压机。
起始温度为30-35℃，压制压力为60-90bar；压机吨位1250T，产品宽幅1050x1250mm,此时胶水为半固体状态；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；此时胶水为液体状态；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；此时胶水为液体状态；
然后保压，升温至150℃；此时胶水为半固化态转为固态；
再在60-90min内冷却至材料50-70℃，同步降压；此时胶水为固体状态，将各层紧密的连接在一起；
至常温状态即得到本发明的复合阻燃纸板。结构示意图见图1所示。
实施例2：复合阻燃纸板的制备
材料准备：
将2层MP层，1层CEM1层，3层PP层，2层的CEM1层，3层PP层，1层CEM1层，2层MP层的结构顺序，码好，送入层压机。
起始温度为30-35℃，压制压力为60-90bar；压机吨位1250T，产品宽幅1050x1250mm,此时胶水为半固体状态；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；此时胶水为液体状态；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；此时胶水为液体状态；
然后保压，升温至150℃；此时胶水为半固化态转为固态；
再在60-90min内冷却至材料50-70℃，同步降压；此时胶水为固体状态，将各层紧密的连接在一起；
至常温状态即得到本发明的复合阻燃纸板。结构示意图见图2所示。
实施例3：复合阻燃纸板的制备
材料准备：
将1层MP层，2层CEM1层，2层PP层，4层的CEM1层，2层PP层，2层CEM1层，1层MP层的结构顺序，码好，送入层压机。
起始温度为30-35℃，压制压力为60-90bar；压机吨位1250T，产品宽幅1050x1250mm,此时胶水为半固体状态；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；此时胶水为液体状态；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；此时胶水为液体状态；
然后保压，升温至150℃；此时胶水为半固化态转为固态；
再在60-90min内冷却至材料50-70℃，同步降压；此时胶水为固体状态，将各层紧密的连接在一起；
至常温状态即得到本发明的复合阻燃纸板。结构示意图见图3所示。
实施例4：性能测定
对实施例1-3所得复合阻燃纸板检测，检测依据：IEC 60893-2：2003《电气用热固性树脂工业硬质层压板第2部分：试验方法》等。
结果见表1。
表1实施例1-3所得复合阻燃纸板检测结果表
由表1可以看出，本发明所述复合阻燃纸板具有很好的拉伸强度、垂直层向弯曲强度(MPa)、相比电痕化指数、耐电弧和垂直层向电气强度(常态油中，快速升压，25mm/75mm圆柱电极)均优良，燃烧性为V-0级，达到商品需求。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (6)

1.一种复合阻燃纸板，其特征在于，其结构从外到中心依次为表层，次表层和夹芯部分；其中表层为1-2层的MP层；次表层为最少1层的CEM1层；夹芯部分为至少一层的夹芯层，其中夹芯层为1-3层的PP层和1-2层的CEM1层组成。
2.权利要求1所述复合阻燃纸板，其特征在于，所述MP层的单层厚度为0.13-0.2mm。
3.权利要求1所述复合阻燃纸板，其特征在于，所述CEM1层的单层厚度为0.15-0.25mm。
4.权利要求1所述复合阻燃纸板，其特征在于，所述PP层的单层厚度为0.10--0.20mm。
5.权利要求1-4任一项所述复合阻燃纸板，其特征在于，制备方法为，将所需材料PP层，CEM1层，MP层按照结构排列，送入层压机，
起始温度为30-35℃，压制压力为60-90bar，压机吨位1250T，产品宽幅1050x1250mm；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；
然后保压，升温至150℃；
再在60-90min内冷却至材料50-70℃，同步降压；
至常温状态即可。
6.一种权利要求1-5任一项所述复合阻燃纸板的制备方法，其特征在于，将所需材料PP层，CEM1层，MP层按照结构排列，送入层压机，
起始温度为30-35℃，压制压力为60-90bar；
之后升到50-60℃，压制压力为140-170bar，升温速率为1-2℃/min；
继续升温到80-90℃，压制压力为170-210bar，升温速率为1-2℃/min；
然后保压，自然降温至150℃；
再在60-90min内冷却至材料50-70℃，同步降压；至常温状态即可。
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