CN108215423A - 一种抑菌板材及加工工艺 - Google Patents

一种抑菌板材及加工工艺 Download PDF

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CN108215423A
CN108215423A CN201810078505.8A CN201810078505A CN108215423A CN 108215423 A CN108215423 A CN 108215423A CN 201810078505 A CN201810078505 A CN 201810078505A CN 108215423 A CN108215423 A CN 108215423A
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刘志勇
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Abstract

一种抑菌板材,该抑菌衣柜板轻薄0.25‑0.5mm,弯曲半径可达≤3mm,热弯度达120°‑180°,该抑菌衣柜板上附着有抑菌剂。所述的抑菌剂为复合热固性材料,所述的复合热固性材料为水溶性或醇溶性树脂经添加钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素后制得的复合热固性材料。所述的水溶性或醇溶性树脂为三聚氰胺甲醛树脂,聚乙烯醇或苯酚或三聚氰胺改性的脲醛树脂共聚材料,三聚氰胺或硫脲改性的酚醛树脂共聚材料中的任意一种或多种。加工压贴到实木指接板或多层板或颗粒板或密度板表面,经过加工制作成家具用板,适用于医院、幼儿园、学校、食品箱及高档家具、装饰板、橱柜板、衣柜板、室内门用基材。灭菌率打99.9%,安全无害。

Description

一种抑菌板材及加工工艺
技术领域
本发明涉及家具,医疗,装饰装修技术领域,尤其涉及一种抑菌灭菌板材的技术领域。
背景技术
目前的家居板表面处理技术,采用油漆涂装或三聚氰胺板或PVC包覆饰面,除此之外,表面油磨印刷或压贴防火板饰面。以上产品只是解决了,表面效果或者耐磨等优点,本发明在到达以上所有性能基础上,在不改变性能和外观效果的情况下,增加了抑菌灭菌性能。随着人们生活水平的不断提高,对安全健康越来越重视,特别是妇女和儿童的衣物放置衣柜里,霉菌感染,造成皮肤或传染,引起各种并发症,白血病,败血症等有影响身体健康的问题。本发明本着抑菌灭菌功能的饰面材料加工成家居衣柜专用板材,适用于家居,医院,幼儿园等公共场所的用板。
发明内容
本发明所要解决的技术问题是目前装饰板使用过程中表面容易滋生细菌、霉菌等问题,提供一种抑菌材料加工压贴到板材的工艺技术,实现对抑菌材料表面不破坏,与实木指接板的结合技术。为家居领域推广安全环保抑菌性能优良的家居用材,特别适合衣柜用板。具体工艺如下:
一种抑菌板材,该抑菌衣柜板轻薄0.25-0.5mm,弯曲半径可达≤3mm,热弯度达120°-180°,该抑菌衣柜板上附着有抑菌剂。
所述的所述的抑菌剂为复合热固性材料,所述的复合热固性材料为水溶性或醇溶性树脂经添加钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素后制得的复合热固性材料。
所述的水溶性或醇溶性树脂为三聚氰胺甲醛树脂,聚乙烯醇或苯酚或三聚氰胺改性的脲醛树脂共聚材料,三聚氰胺或硫脲改性的酚醛树脂共聚材料中的任意一种或多种。该水溶性或醇溶性树脂具有抑、灭菌的效果,同时,具有较强的粘接性,易于粘接在各种基材上,如导电玻璃、玻璃、金属片、金属网、泡沫镍、塑料片、聚合物导电膜。
按重量份计,水溶性或醇溶性树脂50-70份,钛酸四丁酯1-6份,硅酸铁铝1-10份,膨胀石墨5-15份,羧甲基纤维素1-5份。
进一步优选为按重量份计,58份三聚氰胺树脂62份,钛酸四丁酯2.8份,硅酸铁铝4.4份,膨胀石墨12.3份,羧甲基纤维素3.2份的复合热固性树脂。
所述的钛酸四丁酯可替换为铋的酸性氧化物,具体包括溴氧化铋、硅酸铋、钒酸铋-溴氧化铋。
本发明所述的复合热固性材料具有较强的隔烟、隔火、隔热、无烟、无毒的效果,该新型材料的防火级别可达到国家A1级防火等级,经优化比例及材料后防火效果更好。同时,该复合热固性材料具有较强的粘接性,对前述的基材也具有较强的粘接性。该复合热固性材料可作为陶瓷纤维膨胀石墨纸应用于上述基材及其他基材上,并进一步应用于各个装饰品上,如防火门板等。其在遇火遇热后,膨胀率可达到100%。
本发明还提供一种上述中的抑菌板材的加工工艺,包括如下步骤:
(1)将面纸浸渍于水溶性或醇溶性树脂后,90-110℃烘干,再浸渍于钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,110-130℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在140-160℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在180-190℃、5-10MPa下压制30-60s,再在面纸上喷涂复合热固性树脂材料后在8-9MPa下压制30-60s后释放;二次在6-7MPa、110-140℃下压制400-500s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
(4)将上述半成品经修边、砂磨后即可得到抑菌衣柜板。
所述的步骤(3)中,将芯纸、面纸依次放置于板材上,在190℃、8MPa下压制40s,再在面纸上喷涂复合热固性树脂材料后在9MPa下压制50s后释放;二次在6MPa、120℃下压制450s;压机释放压力后,迅速将板件移除堆放平整,自然冷却。
本发明是板普通多层板用胶,换成具有抑菌灭菌的胶粘剂,将热压胶换成冷压胶,保证工艺参数,稳定温度和时间压力控制,制成抑菌多层板基材基板,在通过具有装饰效果抗耐磨的抑菌灭菌饰面压贴在抑菌多层板基材基板上。双面压贴时重复以上工序。通过以上工艺,具有抑菌材料的饰面板,在压贴过程中,以上工艺温度和压力均不受影响,保证了抑菌材料的成活新高的工艺步骤。
采用三聚氰胺树脂或,三聚氰胺改性的树脂或复合热固性树脂具有高效、低毒、抗菌的效果。灭霉菌、病菌(如大肠杆菌、葡萄糖球菌)率达99%及以上,符合并超过国家标准。
上述方法制得的的装饰板具有耐磨、耐高温、耐剐、抗渗透、容易清洁、防潮、不褪色、触感细腻、价格实惠等优点。广泛用于室内装饰、家具、橱柜、实验室台面、外墙等与人们直接接触的地方。其抗菌改性能有效的抑制板材表面微生物的生长,防治疾病传播,创造一个健康的生活环境。
本发明需要克服的困难在于抑菌技术如何嫁接到饰面纸中,在饰面纸浸渍抑菌后制成三聚氰胺抑菌饰面纸,再通过高温工艺压贴到多层板或实木芯板上。仍有起到灭菌抑菌的作用,在不破坏抑菌灭菌效果的情况下,完成高温压贴。
具体实施方式
实施例1
(1)将面纸浸渍于水溶性或醇溶性树脂后,110℃烘干,再浸渍于钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,130℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在150℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在190℃、8MPa下压制40s,再在面纸上喷涂复合热固性树脂材料后在9MPa下压制50s后释放;二次在6MPa、120℃下压制450s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
(4)将上述半成品经修边、砂磨后即可得到抑菌衣柜板。
所述的水溶性或醇溶性树脂为三聚氰胺甲醛树脂;
上述的复合热固性树脂材料为三聚氰胺甲醛树脂52份、钛酸四丁酯1.8份、硅酸铁铝2.3份、膨胀石墨6.7份、羧甲基纤维素2.4份混合后制成的复合热固性材料;三聚氰胺甲醛树脂共65份。
该抑菌衣柜板轻薄0.28mm,弯曲半径可达≤3mm,热弯度达160°,该抑菌衣柜板上附着有抑菌剂。
实施例2
(1)将面纸浸渍于水溶性或醇溶性树脂后,95℃烘干,再浸渍于钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,120℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在155℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在180℃、5MPa下压制60s,再在面纸上喷涂复合热固性树脂材料后在8MPa下压制60s后释放;二次在7MPa、130℃下压制400s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
上述的三聚氰胺树脂为58份;聚乙烯醇、苯酚、三聚氰胺分别改性的脲醛树脂共聚材料的混合树脂65份;
复合热固性树脂材料为三聚氰胺改性的脲醛树脂62份、钛酸四丁酯2.8份、硅酸铁铝4.4份、膨胀石墨12.3份、羧甲基纤维素3.2份混合后制成的复合热固性材料。
该抑菌衣柜板轻薄0.35mm,弯曲半径可达≤1.8mm,热弯度达170°,该抑菌衣柜板上附着有抑菌剂。
实施例3
(1)将面纸浸渍于水溶性或醇溶性树脂后,100℃烘干,再浸渍于溴氧化铋、硅酸铋、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,110-130℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在150℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在180℃、5.5MPa下压制50s,再在面纸上喷涂复合热固性树脂材料后在8.5MPa下压制50s后释放;二次在7MPa、130℃下压制450s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
(4)将上述半成品经修边、砂磨后即可得到抑菌衣柜板。
所述的水溶性或醇溶性树脂为三聚氰胺改性的酚醛树脂25份,三聚氰胺甲醛树脂、三聚氰胺改性的脲醛树脂、三聚氰胺改性的酚醛树脂的混合树脂42份。
复合热固性树脂材料为三聚氰胺改性的脲醛树脂25份、三聚氰胺改性的酚醛树脂43份、溴氧化铋4.3份、硅酸铋1.6份、硅酸铁铝1.8份、膨胀石墨8.5份、羧甲基纤维素5.6份混合后制成的复合热固性材料。
该抑菌衣柜板轻薄0.33mm,弯曲半径可达≤2.5mm,热弯度达140°,该抑菌衣柜板上附着有抑菌剂。
实施例4
(1)将面纸浸渍于水溶性或醇溶性树脂后,110℃烘干,再浸渍于钛酸四丁酯、溴氧化铋、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,110℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在140℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在190℃、8MPa下压制40s,再在面纸上喷涂复合热固性树脂材料后在9MPa下压制50s后释放;二次在6MPa、120℃下压制450s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
(4)将上述半成品经修边、砂磨后即可得到抑菌衣柜板。
所述的水溶性或醇溶性树脂为硫脲改性的酚醛树脂48份。
上述的复合热固性树脂材料为硫脲改性的酚醛树脂70份、钛酸四丁酯1.5份、溴氧化铋5份、硅酸铁铝5份、膨胀石墨10份、羧甲基纤维素4.9份混合后制成的复合热固性材料。
该抑菌衣柜板轻薄0.25mm,弯曲半径可达≤2mm,热弯度达170°,该抑菌衣柜板上附着有抑菌剂。
实施例5
(1)将面纸浸渍于水溶性或醇溶性树脂后,95℃烘干,再浸渍于钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,120℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在155℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在180℃、5MPa下压制60s,再在面纸上喷涂复合热固性树脂材料后在8MPa下压制60s后释放;二次在7MPa、130℃下压制400s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
所述的水溶性或醇溶性树脂为聚乙烯醇改性的脲醛树脂共聚材料共56份。
所述的复合热固性材料为三聚氰胺改性的脲醛树脂共聚材料66份、钒酸铋改性的溴氧化铋5.5份、硅酸铁铝8.5份、膨胀石墨15份、羧甲基纤维素4.5份后制得的复合热固性材料。所述的钒酸铋改性的溴氧化铋的制备方法如下:将BiVO4催化剂7份、Bi(NO3)3·5H2O20份和NaBr 4份分别加入到乙醇与水以质量比9:1的混合溶剂中超声30min,得到3种分散均匀的前驱体,然后缓慢将BiVO4和NaBr分别注入(Bi(NO3)3·5H2O中,混合后继续超声40min使其完全分散后用6mol/L NaOH和5mol/L HNO3调节溶液pH至8.2,之后搅拌1h后转移至在聚四氟乙烯釜中200℃下反应14h,自然冷却至室温,用无水乙醇和去离子水洗涤3-4次,40℃真空干燥4h,即可获得BiVO4-BiOBr。
该抑菌衣柜板轻薄0.4mm,弯曲半径可达≤2.2mm,热弯度达160°,该抑菌衣柜板上附着有抑菌剂。

Claims (9)

1.一种抑菌板材,其特征在于,该抑菌板材厚度0.25-0.5mm,弯曲半径≤3mm,热弯度达120°-180°,该抑菌板材上附着有抑菌剂。
2.权利要求1所述的抑菌板材,其特征在于,所述的抑菌剂为复合热固性材料,所述的复合热固性材料为水溶性或醇溶性树脂经添加钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素后制得的复合热固性材料。
3.权利要求1所述的抑菌板材,其特征在于,所述的水溶性或醇溶性树脂为三聚氰胺甲醛树脂,聚乙烯醇或苯酚或三聚氰胺改性的脲醛树脂共聚材料,三聚氰胺或硫脲改性的酚醛树脂共聚材料中的任意一种或多种。
4.根据权利要求2所述的抑菌板材,其特征在于:按重量份计,水溶性或醇溶性树脂50-70份,钛酸四丁酯1-6份,硅酸铁铝1-10份,膨胀石墨5-15份,羧甲基纤维素1-5份。
5.根据权利要求4所述的抑菌板材,其特征在于:按重量份计,58份三聚氰胺树脂62份,钛酸四丁酯2.8份,硅酸铁铝4.4份,膨胀石墨12.3份,羧甲基纤维素3.2份的复合热固性树脂。
6.根据权利要求2所述的抑菌板材,其特征在于:所述的钛酸四丁酯可替换为铋的酸性氧化物,具体包括溴氧化铋、硅酸铋、钒酸铋-溴氧化铋。
7.一种权利要求1-6任一项所述的抑菌板材的加工工艺,其特征在于,包括如下步骤:
(1)将面纸浸渍于水溶性或醇溶性树脂后,90-110℃烘干,再浸渍于钛酸四丁酯、硅酸铁铝、膨胀石墨、羧甲基纤维素材料中,110-130℃烘干待用;
(2)将芯纸、底纸分别浸渍于复合热固性树脂材料或水溶性或醇溶性树脂后,在140-160℃条件下烘干待用;
(3)将芯纸、面纸依次放置于板材上,在180-190℃、5-10MPa下压制30-60s,再在面纸上喷涂复合热固性树脂材料后在8-9MPa下压制30-60s后释放;二次在6-7MPa、110-140℃下压制400-500s;压机释放压力后,迅速将板件移除堆放平整,自然冷却;
(4)将上述半成品经修边、砂磨后即可得到抑菌衣柜板。
8.权利要求7所述的抑菌板材的加工工艺,其特征在于,所述的步骤(3)中,将芯纸、面纸依次放置于板材上,在190℃、8MPa下压制40s,再在面纸上喷涂复合热固性树脂材料后在9MPa下压制50s后释放;二次在6MPa、120℃下压制450s;压机释放压力后,迅速将板件移除堆放平整,自然冷却。
9.权利要求7所述的抑菌板材的加工工艺,其特征在于,双面压贴时重复步骤(3)的工序。
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