CN111100403A - Pvc木塑发泡抗菌板及其制备方法 - Google Patents

Pvc木塑发泡抗菌板及其制备方法 Download PDF

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CN111100403A
CN111100403A CN201911390648.3A CN201911390648A CN111100403A CN 111100403 A CN111100403 A CN 111100403A CN 201911390648 A CN201911390648 A CN 201911390648A CN 111100403 A CN111100403 A CN 111100403A
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antibacterial
agent
foaming
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周学卫
赵明春
马健
苗祥成
苗伟
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Shandong Botuo New Material Technology Co Ltd
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Abstract

本发明属于PVC塑料板材技术领域,具体的涉及一种PVC木塑发泡抗菌板及其制备方法。原料由PVC树脂粉、发泡调节剂、填充剂、木粉、发泡剂、抗菌剂、稳定剂、润滑剂、消光剂和吸油墨剂组成。本发明所述的PVC木塑发泡抗菌板,板材配方中添加了木粉填充剂,降低了板材的比重,使板材尺寸稳定性好、刚性好、质轻、强度大、木质感强;添加二氧化硅和聚丙烯接枝物复配的消光剂,使做出的板材表面反光率低、光泽柔和,这种亚光效果可提高光环境舒适度,使人不易产生视觉疲劳;且板面光泽均匀一致,无需二次加工涂刷,节省成本。

Description

PVC木塑发泡抗菌板及其制备方法
技术领域
本发明属于PVC塑料板材技术领域,具体的涉及一种PVC木塑发泡抗菌板及其制备方法。
背景技术
目前,随着社会经济的发展,人们的生活水平得到大幅度提高,对居住环境和质量要求越来越高,加上国际上对环保的重视,传统木质装饰、装修材料已逐渐被人造材料取代,PVC塑料板材就是其中的一类产品,它已经被广泛应用到装饰、装修、医疗卫生及交通运输等领域。但是由于PVC塑料的固有缺陷使得PVC塑料板材存在着一些质量短板,如:受潮和长时间使用时板材产生霉菌、霉斑;板材强度低、硬度小、易翘曲;应用于广告印刷上时对油墨吸附力较弱,存在易掉墨等缺陷;易产生静电、吸尘等;这些缺陷严重影响了PVC塑料板材的市场定位,限制了其发展速度和应用范围。
发明内容
本发明要解决的技术问题是:克服现有技术的不足,提供一种PVC木塑发泡抗菌板;该PVC木塑发泡抗菌板具有木质感强、刚度好、耐腐蚀、抗菌杀菌、不产生静电、不吸尘、印刷不掉色等优点;本发明同时提供了其制备方法。
本发明所述的PVC木塑发泡抗菌板,以重量份数计,原料组成如下:
Figure BDA0002344845570000011
其中:
PVC树脂粉为聚氯乙烯树脂,聚合度为650~1000,优选SG-8型和SG-7型树脂粉的混合物,SG-8型树脂粉与SG-7型树脂粉的复合质量比为1:1。
发泡调节剂为丙烯酸酯类和苯乙烯类的混合物,丙烯酸酯类与苯乙烯类的质量比为1:1~3:1。
丙烯酸酯类为甲基丙烯酸甲酯与丙烯酸丁酯或丙烯酸乙酯中的任意一种的聚合物。
苯乙烯类为苯乙烯和丙烯腈的聚合物,苯乙烯与丙烯腈的质量比为2~4:1,优选苯乙烯与丙烯腈的质量比为4:1、3:1或7:3中的一种。
填充剂为重质碳酸钙、轻质碳酸钙或活化碳酸钙中的一种或多种。
木粉为竹木、杨木或杉木粉中的一种,粒度为30目~200目,颗粒度均匀。
发泡剂为有机类黄发泡剂和无机类白发泡剂的复配物;有机类黄发泡剂为偶氮二甲酰胺;无机类白发泡剂为碳酸氢钠,有机类黄发泡剂与无机类白发泡剂的复配质量比为1:1~1:3。
抗菌剂是季铵盐化合物、钛系抗菌剂或银系抗菌剂中的一种或多种;季铵盐化合物为三(十二烷基)甲基氯化铵或4-乙烯基吡啶-丙烯酰胺共聚物中的一种;钛系抗菌剂为纳米级二氧化钛。
稳定剂是硬脂酸钙、硬脂酸锌与水滑石的复合物。
润滑剂为硬脂酸、高熔点石蜡或聚乙烯蜡中的一种或多种;高熔点石蜡的熔点为65~75℃。
消光剂是二氧化硅和聚丙烯接枝物的复合物,二氧化硅与聚丙烯接枝物的质量比为1:0.5~1:4;聚丙烯接枝物为马来酸酐接枝聚丙烯。
吸油墨剂是氨基酸和季铵盐化合物的复合物,氨基酸与季铵盐化合物的质量比为1:2~1:8;季铵盐化合物为三(十二烷基)甲基氯化铵或4-乙烯基吡啶-丙烯酰胺共聚物(QCVA)中的一种。
本发明所述的PVC木塑发泡抗菌板的制备方法,由以下步骤组成:
(1)将配方量的物料通过全自动配料系统进行自动配料,然后加入高速混合机中,加热至105-115℃,然后将物料放入冷混机中冷却,当物料冷却至40℃以下时放入贮料仓中备用;
(2)挤出定型:混合料经真空上料机吸入到双螺杆挤出机料斗中,经挤出机熔融塑化后进入挤出模具,再经模具口挤出,经冷却定型装置定型、修边、牵引、自动计量切割后即得到PVC木塑发泡抗菌板。
其中:
步骤(2)中所述的双螺杆挤出机主机转速为13~20rpm/min,主机电流为75~95A,螺筒温度为150~175℃,模具温度为165~185℃。
本发明所述的PVC木塑发泡抗菌板可应用于交通运输行业(如:医药品专用车厢及车厢内配件、移动治疗车内饰、采血车内饰);医疗卫生领域(如:无菌实验室、无菌注射房间、ICU重症监护室、手术室等)的专用橱柜和装修;家居装修(如:卫生间和厨房的橱柜和装饰);公共浴室、泳池等湿度较大且对卫生要求交高的环境,易生菌的房间内的隔断、装修等领域。
本发明与现有技术相比,具有以下有益效果:
(1)本发明所述的PVC木塑发泡抗菌板为聚氯乙烯材料,由于添加了季铵盐类、钛系或银系抗菌剂,这种复合抗菌剂能长效、高效、全面的抗灭细菌、真菌和霉菌,对其有效率达99.99%,季铵盐化合物还起到板材抗静电的作用。
(2)本发明所述的PVC木塑发泡抗菌板,板材配方中添加了木粉填充剂,降低了板材的比重,使板材尺寸稳定性好、刚性好、质轻、强度大、木质感强;添加二氧化硅和聚丙烯接枝物复配的消光剂,使做出的板材表面反光率低、光泽柔和,这种亚光效果可提高光环境舒适度,使人不易产生视觉疲劳;且板面光泽均匀一致,无需二次加工涂刷,节省成本。
(3)本发明所述的PVC木塑发泡抗菌板,配方中添加了由季铵盐化合物和氨基酸复配的吸油墨剂,使板材具有抗静电的性能,可满足采矿场等对静电敏感环境的需求;同时提高板材吸附油墨能力,使板材印刷效果更好;季铵盐化合物还起到抗菌的作用。
(4)本发明所述的PVC木塑发泡抗菌板的制备方法,简单易行,易于实现。
具体实施方式
以下结合实施例对本发明作进一步描述。
实施例1
本实施例所述的PVC木塑发泡抗菌板,以重量份数计,原料组成如下:
Figure BDA0002344845570000031
其中:
PVC树脂粉选用SG-8型和SG-7型树脂粉的混合物,SG-8型树脂粉与SG-7型树脂粉的复合质量比为1:1;SG-8树脂粉的聚合度为700,SG-7树脂粉的聚合度为800。
发泡调节剂为丙烯酸酯类和苯乙烯类的混合物,丙烯酸酯类为甲基丙烯酸甲酯与丙烯酸丁酯的聚合物,苯乙烯类为苯乙烯和丙烯腈的聚合物,苯乙烯与丙烯腈的质量比为4:1;丙烯酸酯类与苯乙烯类的质量比为1:1。
填充剂为重质碳酸钙。
木粉为粒度为100目的活化处理后的杉木粉。
发泡剂为有机类黄发泡剂和无机类白发泡剂的复配物。
有机类黄发泡剂为偶氮二甲酰胺;无机类白发泡剂为碳酸氢钠,有机类黄发泡剂和无机类白发泡剂的复配质量比为1:1。
抗菌剂由季铵盐化合物和钛系抗菌剂复配而成,季铵盐化合物与钛系抗菌剂的质量比为1:6;季铵盐化合物为4-乙烯基吡啶-丙烯酰胺共聚物(QCVA);钛系抗菌剂为纳米级二氧化钛。
稳定剂是硬脂酸钙、硬脂酸锌与水滑石的复合物。
润滑剂为聚乙烯蜡。
消光剂是二氧化硅和马来酸酐接枝聚丙烯的复合物,二氧化硅与马来酸酐接枝聚丙烯的质量比为1:0.5。
吸油墨剂是氨基酸和季铵盐化合物的复合物,氨基酸与季铵盐化合物的质量比为1:2;季铵盐化合物为4-乙烯基吡啶-丙烯酰胺共聚物(QCVA)。
本实施例1所述的PVC木塑发泡抗菌板的制备方法,由以下步骤组成:
(1)将配方量的物料通过全自动配料系统进行自动配料,然后加入高速混合机中,加热搅拌至110℃,然后将物料放入冷混机中冷却,当物料冷却至38℃时放入贮料仓中备用;
(2)挤出定型:混合料经真空上料机吸入到双螺杆挤出机料斗中,经挤出机熔融塑化后进入挤出模具,再经模具口挤出,经冷却定型装置定型、修边、牵引、自动计量切割后即得到PVC木塑发泡抗菌板。
其中:
步骤(2)中所述的双螺杆挤出机主机转速为16rpm/min,主机电流为80~85A,螺筒4个加热区的温度分别为165℃、168℃、170℃、175℃,模具温度为175℃。
通过该实施例1制备得到厚度为10mm的PVC木塑发泡抗菌板Ⅰ,密度为0.59g/cm3
实施例2
本实施例所述的PVC木塑发泡抗菌板,以重量份数计,原料组成如下:
Figure BDA0002344845570000041
Figure BDA0002344845570000051
其中:
PVC树脂粉选用SG-8型和SG-7型树脂粉的复合物,SG-8型树脂粉与SG-7型树脂粉的复合质量比为1:1;SG-8树脂粉的聚合度为700,SG-7树脂粉的聚合度为800。
发泡调节剂为丙烯酸酯类和苯乙烯类的混合物,丙烯酸酯类为甲基丙烯酸甲酯与丙烯酸丁酯的聚合物,苯乙烯类为苯乙烯和丙烯腈的聚合物,苯乙烯与丙烯腈的质量比为7:3;丙烯酸酯类与苯乙烯类的质量比为2:1。
填充剂为轻质碳酸钙。
木粉为粒度为200目的活化处理后的杉木粉。
发泡剂为有机类黄发泡剂和无机类白发泡剂复配物。
有机类黄发泡剂为偶氮二甲酰胺;无机类白发泡剂为碳酸氢钠,有机类黄发泡剂和无机类白发泡剂的复配质量比为1:2。
抗菌剂由季铵盐化合物和银系抗菌剂复配而成,季铵盐化合物与银系抗菌剂的质量比为1:6;季铵盐化合物为4-乙烯基吡啶-丙烯酰胺共聚物(QCVA);银系抗菌剂为纳米银抗菌剂。
稳定剂是硬脂酸钙、硬脂酸锌与水滑石的复合物。
润滑剂为高熔点石蜡,高熔点石蜡的熔点为70℃。
消光剂是二氧化硅和马来酸酐接枝聚丙烯的复合物,二氧化硅与马来酸酐接枝聚丙烯的质量比为1:4。
吸油墨剂是氨基酸和季铵盐化合物的复合物,氨基酸与季铵盐化合物的质量比为1:5;季铵盐化合物为4-乙烯基吡啶-丙烯酰胺共聚物(QCVA)。
本实施例2所述的PVC木塑发泡抗菌板的制备方法,由以下步骤组成:
(1)将配方量的物料通过全自动配料系统进行自动配料,然后加入高速混合机中,加热搅拌至105℃,然后将物料放入冷混机中冷却,当物料冷却至35℃时放入贮料仓中备用;
(2)挤出定型:混合料经真空上料机吸入到双螺杆挤出机料斗中,经挤出机熔融塑化后进入挤出模具,再经模具口挤出,经冷却定型装置定型、修边、牵引、自动计量切割后即得到PVC木塑发泡抗菌板。
其中:
步骤(2)中所述的双螺杆挤出机主机转速为16rpm/min,主机电流为75~80A,螺筒4个加热区的温度分别为165℃、168℃、172℃、175℃,模具温度为175℃。
通过该实施例2制备得到厚度为10mm的PVC木塑发泡抗菌板Ⅱ,密度为0.60g/cm3
实施例3
本实施例所述的PVC木塑发泡抗菌板,以重量份数计,原料组成如下:
Figure BDA0002344845570000061
其中:
PVC树脂粉选用SG-8型和SG-7型树脂粉的混合物,SG-8型树脂粉与SG-7型树脂粉的复合质量比为1:1;SG-8树脂粉的聚合度为700,SG-7树脂粉的聚合度为800。
发泡调节剂为丙烯酸酯类和苯乙烯类的混合物,丙烯酸酯类为甲基丙烯酸甲酯与丙烯酸乙酯的聚合物,苯乙烯类为苯乙烯和丙烯腈的聚合物,苯乙烯与丙烯腈的质量比为3:1;丙烯酸酯类与苯乙烯类的质量比为3:1。
填充剂为重质碳酸钙。
木粉为粒度为100目的活化处理后的杨木粉。
发泡剂为有机类黄发泡剂和无机类白发泡剂复配物。
有机类黄发泡剂为偶氮二甲酰胺;无机类白发泡剂为碳酸氢钠,有机类黄发泡剂和无机类白发泡剂的复配质量比为1:3。
抗菌剂由季铵盐化合物、钛系抗菌剂和银系抗菌剂复配而成,季铵盐化合物、钛系抗菌剂、银系抗菌剂的质量比为1:3:3;季铵盐化合物为4-乙烯基吡啶-丙烯酰胺共聚物(QCVA);钛系抗菌剂为纳米级二氧化钛,银系抗菌剂为纳米银抗菌剂。
稳定剂是硬脂酸钙、硬脂酸锌与水滑石的复合物。
润滑剂为硬脂酸。
消光剂是二氧化硅和马来酸酐接枝聚丙烯的复合物,二氧化硅与马来酸酐接枝聚丙烯的质量比为1:3。
吸油墨剂是氨基酸和季铵盐化合物的复合物,氨基酸与季铵盐化合物的质量比为1:7;季铵盐化合物为三(十二烷基)甲基氯化铵。
本实施例3所述的PVC木塑发泡抗菌板的制备方法,具体包括以下步骤:
(1)将配方量的物料通过全自动配料系统进行自动配料,然后加入高速混合机中,加热搅拌至105℃,然后将物料放入冷混机中冷却,当物料冷却至30℃时放入贮料仓中备用;
(2)挤出定型:混合料经真空上料机吸入到双螺杆挤出机料斗中,经挤出机熔融塑化后进入专用挤出模具,再经模具口挤出,经冷却定型装置定型、修边、牵引、自动计量切割后即得到PVC木塑发泡抗菌板。
其中:
步骤(2)中所述的双螺杆挤出机主机转速为20rpm/min,主机电流为90~95A,螺筒4个加热区的温度分别为165℃、168℃、175℃、185℃,模具温度为185℃。
通过该实施例3制备得到厚度为10mm的PVC木塑发泡抗菌板Ⅲ,密度为0.60g/cm3
对比例1
本对比例1所述的PVC发泡抗菌板,由以下原料组成:
Figure BDA0002344845570000071
其中:
PVC树脂粉选用SG-8型和SG-7树脂粉的复合物,复合比例为1:1;SG-8聚合度为700,SG-7聚合度为800。
发泡调节剂为丙烯酸酯类和苯乙烯类的混合物,丙烯酸酯类为甲基丙烯酸甲酯与丙烯酸乙酯的聚合物,苯乙烯类为苯乙烯和丙烯腈的聚合物,苯乙烯与丙烯腈的质量比为3:1;丙烯酸酯类与苯乙烯类的质量比为3:1。
填充剂为重质碳酸钙。
木粉为粒度为100目的活化处理后的杨木粉。
发泡剂为有机类黄发泡剂和无机类白发泡剂复配物。
有机类黄发泡剂为偶氮二甲酰胺;无机类白发泡剂为碳酸氢钠,有机类黄发泡剂和无机类白发泡剂的复配质量比为1:3。
抗菌剂为铜系抗菌剂。
稳定剂是硬脂酸钙、硬脂酸锌与水滑石的复合物。
润滑剂为硬脂酸。
消光剂是二氧化硅和马来酸酐接枝聚丙烯的复合物,二氧化硅与马来酸酐接枝聚丙烯的质量比为1:3。
吸油墨剂是氨基酸和季铵盐化合物的复合物,氨基酸与季铵盐化合物的质量比为1:7;季铵盐化合物为三(十二烷基)甲基氯化铵。
本对比例1所述的PVC发泡抗菌板的制备方法与实施例3相同。
通过该对比例1制备得到厚度为10mm的PVC发泡抗菌板Ⅳ,密度为0.58g/cm3
对实施例1-3制备的PVC木塑发泡抗菌板Ⅰ~Ⅲ和对比例1制备的板材Ⅳ以及市场上常见的PVC硬质板(10mm*1220mm*2440mm)Ⅴ进行性能测试,性能测试结果见表1。
表1PVC木塑发泡抗菌板性能测试结果
Figure BDA0002344845570000081
Figure BDA0002344845570000091

Claims (10)

1.一种PVC木塑发泡抗菌板,其特征在于:以重量份数计,原料组成如下:
Figure FDA0002344845560000011
2.根据权利要求1所述的PVC木塑发泡抗菌板,其特征在于:PVC树脂粉为聚氯乙烯树脂,聚合度为650~1000;发泡调节剂为丙烯酸酯类和苯乙烯类的混合物,丙烯酸酯类与苯乙烯类的质量比为1:1~3:1。
3.根据权利要求2所述的PVC木塑发泡抗菌板,其特征在于:PVC树脂粉为SG-8型和SG-7型树脂粉的混合物,SG-8型树脂粉与SG-7型树脂粉的复合质量比为1:1。
4.根据权利要求2所述的PVC木塑发泡抗菌板,其特征在于:丙烯酸酯类为甲基丙烯酸甲酯与丙烯酸丁酯或丙烯酸乙酯中的任意一种的聚合物;苯乙烯类为苯乙烯和丙烯腈的聚合物,苯乙烯与丙烯腈的质量比为2~4:1。
5.根据权利要求1所述的PVC木塑发泡抗菌板,其特征在于:填充剂为重质碳酸钙、轻质碳酸钙或活化碳酸钙中的一种或多种;木粉为竹木、杨木或杉木粉中的一种,粒度为30目~200目。
6.根据权利要求1所述的PVC木塑发泡抗菌板,其特征在于:发泡剂为有机类黄发泡剂和无机类白发泡剂的复配物;有机类黄发泡剂为偶氮二甲酰胺;无机类白发泡剂为碳酸氢钠,有机类黄发泡剂与无机类白发泡剂的复配质量比为1:1~1:3。
7.根据权利要求1所述的PVC木塑发泡抗菌板,其特征在于:抗菌剂是季铵盐化合物、钛系抗菌剂或银系抗菌剂中的一种或多种;季铵盐化合物为三(十二烷基)甲基氯化铵或4-乙烯基吡啶-丙烯酰胺共聚物中的一种;钛系抗菌剂为纳米级二氧化钛。
8.根据权利要求1所述的PVC木塑发泡抗菌板,其特征在于:稳定剂是硬脂酸钙、硬脂酸锌与水滑石的复合物;润滑剂为硬脂酸、高熔点石蜡或聚乙烯蜡中的一种或多种;消光剂是二氧化硅和聚丙烯接枝物的复合物,二氧化硅与聚丙烯接枝物的质量比为1:0.5~1:4;聚丙烯接枝物为马来酸酐接枝聚丙烯。
9.根据权利要求1所述的PVC木塑发泡抗菌板,其特征在于:吸油墨剂是氨基酸和季铵盐化合物的复合物,氨基酸与季铵盐化合物的质量比为1:2~1:8;季铵盐化合物为三(十二烷基)甲基氯化铵或4-乙烯基吡啶-丙烯酰胺共聚物中的一种。
10.一种权利要求1所述的PVC木塑发泡抗菌板的制备方法,其特征在于:由以下步骤组成:
(1)将配方量的物料通过全自动配料系统进行自动配料,然后加入高速混合机中,加热至105-115℃,然后将物料放入冷混机中冷却,当物料冷却至40℃以下时放入贮料仓中备用;
(2)挤出定型:混合料经真空上料机吸入到双螺杆挤出机料斗中,经挤出机熔融塑化后进入挤出模具,再经模具口挤出,经冷却定型装置定型、修边、牵引、自动计量切割后即得到PVC木塑发泡抗菌板。
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Cited By (3)

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CN111958736A (zh) * 2020-08-14 2020-11-20 东莞市汇中软木制品有限公司 一种结合tpu材质膜的新型软木的加工方法及新型软木
CN113896934A (zh) * 2021-10-13 2022-01-07 湖北奥飞新材料科技有限公司 一种用于聚氯乙烯发泡木塑生产的pvc混合料
CN114013002A (zh) * 2021-11-04 2022-02-08 浙江欧舍家居新材股份有限公司 一种微发泡pvc板生产工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958736A (zh) * 2020-08-14 2020-11-20 东莞市汇中软木制品有限公司 一种结合tpu材质膜的新型软木的加工方法及新型软木
CN113896934A (zh) * 2021-10-13 2022-01-07 湖北奥飞新材料科技有限公司 一种用于聚氯乙烯发泡木塑生产的pvc混合料
CN114013002A (zh) * 2021-11-04 2022-02-08 浙江欧舍家居新材股份有限公司 一种微发泡pvc板生产工艺

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