WO2019127401A1 - 一种pvc轻质墙板的加工方法 - Google Patents

一种pvc轻质墙板的加工方法 Download PDF

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WO2019127401A1
WO2019127401A1 PCT/CN2017/119934 CN2017119934W WO2019127401A1 WO 2019127401 A1 WO2019127401 A1 WO 2019127401A1 CN 2017119934 W CN2017119934 W CN 2017119934W WO 2019127401 A1 WO2019127401 A1 WO 2019127401A1
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pvc
processing
treatment
wallboard
pvc lightweight
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PCT/CN2017/119934
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English (en)
French (fr)
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孙永华
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张家港市易华润东新材料有限公司
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Publication of WO2019127401A1 publication Critical patent/WO2019127401A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings

Definitions

  • the invention relates to a wallboard, in particular to a method for processing a PVC lightweight wallboard.
  • the EPS light wall panel is generally used in the market, and the lightweight wall panel is composed of a core board and a calcium silicate board disposed on both surfaces of the core board.
  • the core board is composed of a core board and a calcium silicate board disposed on both surfaces of the core board.
  • the EPS light wall panel is generally used in the market
  • the lightweight wall panel is composed of a core board and a calcium silicate board disposed on both surfaces of the core board.
  • the core board In order to achieve beautiful, anti-seepage, clean and easy to clean, people like to lay tiles on traditional wall panels. Building exteriors, indoor kitchens, bathrooms, etc. are all suitable for laying tiles.
  • ceramic tiles have many advantages, and users can choose different styles of tiles according to their own preferences, the density of the tiles is very large, which is very inconvenient to carry and construct. The construction procedure is complicated and cumbersome, and it takes a lot of man-hours.
  • the tile surface is very hard and the comfort is poor when used. The tile is very easy to
  • Wood-plastic PVC wallboard is made of polyvinyl chloride (PVC) as the main raw material. It is made by special foaming process. Its core is foamed, both sides are crusted, and various colors or films can be prepared according to user requirements. And the transfer process prints various patterns on the surface of the product to enhance the decorative effect, and has good flame retardancy, water resistance, corrosion resistance, and secondary processing is also very convenient. It is an ideal green building decoration material. However, there are few studies on the processing technology of PVC lightweight wallboard.
  • an object of the present invention is to provide a method for processing a PVC lightweight wall panel.
  • step S2 performing embossing on the veneer in step S1;
  • step S4 after performing the PUR colloid coating on the substrate in the step S3, bonding the embossed surface of the step S2 to obtain the prefabricated panel of the PVC lightweight wallboard;
  • step S5 performing surface antibacterial UV roll coating treatment on the prefabricated panel described in step S4 to obtain a semi-finished product of the PVC lightweight wallboard.
  • step S6 performing the sawing and trimming process on the semi-finished product described in step S5, and attaching double-sided tape to the back surface of the semi-finished product, and packaging after passing the inspection.
  • step S1 before the pre-bonding, the PUR glue adhesion test is performed on the bottom surface of the printing film, and the bottom surface of the printing film having poor adhesion is subjected to back-coating transparent oil treatment.
  • the rubberized surface of the substrate in the step S3 is subjected to a thickening treatment.
  • the substrate of the PVC lightweight wallboard is produced by the method of foam extrusion in the step S3.
  • the base of the PVC lightweight wall panel has a thickness of 3 mm.
  • the PUR colloid coating is performed, and the bonded prefabricated plate is subjected to a pressure holding treatment for 24 hours by using a 200 KG press plate.
  • the coating amount of the PUR colloid is 60-70 g/m2.
  • the surface antibacterial UV roll coating treatment is performed.
  • the surface antibacterial UV roll coating treatment is a two-roller roll coating with a roll coating amount of 6-8 g/m 2 ; and after the roll coating, the leveling treatment is performed at 40-50 ° C, and then 3 ultraviolet rays are used.
  • the lamp is cured, and after 24 hours of normal temperature warpage test, the bottom surface with more warpage is flattened.
  • the surface adopts printing color film, which can meet the color requirements in different applications, and the printing color film can reflect a variety of patterns.
  • the most basic PVC foam board is lighter in weight and can achieve functions such as heat preservation and moisture proof.
  • For different layers adopt separate production methods and non-interference production methods to achieve high-efficiency production. Through the control of the production process, the tight integration between the layers can be realized, thereby improving the service life of PVC lightweight wall panels.
  • Printed fabric printed on 0PHO printing substrate. The PUR glue adhesion test is carried out before the printing film is produced. The bottom surface of the printed film with poor adhesion is back-coated with transparent oil to increase the adhesion of the glue.
  • wear-resistant layer 0.20mm wear layer after non-embossing treatment, after the smooth surface and the back coated printing film on the film machine for pre-bonding, and into a roll.
  • Control the pre-applied roller heat the lamp cover temperature and the whole machine speed to make the fit degree good, no obvious bubbles and wrinkles; control the winding tension of the traction roller to ensure the effective surface of the door width is 960mm or more. Then, the winding is neat, the packaging film is wound, and each model has a clear mark and a veneer roll is obtained.
  • the low-density foamed board is produced on the foaming extruder, and the base material is added to the hot and cold stirring unit for stirring, and the finished raw material is sent to the foaming extruder for extrusion of the base plate, and is cooled by the flat plate.
  • the setting machine performs pressure setting, presses the shading on the tractor, performs slitting, and finally performs thickening treatment on the rubberized surface of the base to increase the adhesion of the glue.
  • the finished product has a thickness of 3 ⁇ 0.1 mm, a density of 0.55 ⁇ 0.05 g/cm3, a hardness of 30-35 degrees, and a straightness of the long side after slitting ⁇ 2 mm.
  • the gap between the connected substrates is set to 50cm.
  • the PUR gluing machine coats the surface of the substrate, and manually introduces the slitted veneer onto the PUR rubber surface through the pressing roller to make the veneer and the substrate. Closely fit together, the veneer should be covered with a rubber surface, and the attached plates should be stacked neatly on a flat tray with a 200Kg platen applied for more than 24 hours.
  • the stacking height of the sheet is not more than 1 meter, the PUR coating amount is 60-70 g/m2, and the coating is uniform.
  • the thickened substrate is fed to a sawing machine for sawing of the blank, and then glued on the PUR rubberized roller, and then continuously adhered to the veneer, and after being pre-pressed, the slitting machine is slit.
  • the wafers were stacked and placed under pressure for 24 hours or more. Among them, the sawing width is 133mm.
  • the prefabricated board After the prefabricated board is cured for at least 72 hours, it is treated with a double-roller antibacterial UV roll coating on the surface of 6-8 g/m2, leveled at 40-50 °C, cured by three ultraviolet lamps and cooled to room temperature or 40 ° C in time.
  • the pair is placed on a flat tray, and is completely cooled in place, and the warpage is detected. If the warpage is more obvious, it is subjected to hot rolling treatment to make it flat to form a semi-finished product.
  • the sheet is conveyed, then longitudinally sawed, and then horizontally sawed after corner conveying, and the finished product is collected into a trimming process.
  • the long side is trimmed, and after the corner is conveyed, the short side is trimmed and the appearance is checked.
  • Double-sided tape is attached to both sides of the back side of the finished product and the middle position in the longitudinal direction, wherein the double-sided tape on the side is 3-5 mm away from the edge of the substrate. Finally, the package is shipped out.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
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Abstract

一种PVC轻质墙板的加工方法包括如下步骤：S1：将印刷膜与耐磨层进行预贴合获得所述贴面，S2：对步骤S1中的所述贴面进行压纹处理；S3：生产所述PVC轻质墙板的基体；S4：对步骤S3中的所述基体进行PUR胶体涂覆后与步骤S2中经过压纹处理的所述贴面进行贴合，获得所述PVC轻质墙板的预制板；S5：对步骤S4中所述的预制板进行表面抗菌UV滚涂处理，获得所述PVC轻质墙板的半成品；S6：对步骤S5中所述的半成品进行锯切修边处理，并于所述半成品背面贴双面胶带，经检验合格后进行包装。该方法生产的PVC轻质墙板的工艺简单，使用寿命长。

Description

一种PVC轻质墙板的加工方法
本申请要求了申请日为2017年12月26日，申请号为201711437802.9，发明名称为“一种PVC轻质墙板的加工方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种墙板，特别是涉及一种PVC轻质墙板的加工方法。
背景技术
随着国家推广新型节能环保建材力度的增加以及现代建筑对轻质建材的需求加大，轻质墙板得到了广泛的应用。市面上一般比较常见的是EPS轻质墙板，该轻质墙板为由一芯板及设置在芯板两表面上的硅酸钙板组成的。为了达到美观、防渗、干净易清洁等效果，人们喜欢在传统的墙板上铺设瓷砖。建筑物外墙，室内的厨房，卫生间等地方都适用于铺设瓷砖。尽管瓷砖具有诸多优点，并且用户可以根据自己喜好选用不同风格的瓷砖，但是瓷砖的密度非常大，非常不便于搬运和施工，施工程序复杂繁琐，花费工时多。第二，瓷砖表面非常硬，使用时舒适性较差，生产加工过程中和搬运施工过程中瓷砖非常容易碰伤。
有一种新型的墙板是采用石塑材料制成，相比于瓷砖，这种石塑墙板的密度更低，但是石塑墙板依然存在表面非常硬导致使用时舒适性差和容易碰伤的问题。木塑PVC墙板是以聚氯乙烯(PVC)为主要原料，经过特殊发泡工艺制备而成，它芯部发泡，两面结皮，且可根据用户要求配制出各种颜色或通过覆膜及转印工艺在产品表面印上各种图案，增强装饰效果，并具有良好的阻燃性、耐水性、耐腐蚀性，二次加工也十分方便，是一种十分理想的绿色环保建筑装饰材料，但当前对PVC轻质墙板的加工工艺的研究较少。
发明内容
针对上述不足之处，本发明的目的是提供一种PVC轻质墙板的加工方法。
本发明的技术方案概述如下：一种PVC轻质墙板的加工方法，包括如下步骤：
S1：将印刷膜与耐磨层进行预贴合获得所述贴面，其中所述印刷膜由0PHO印刷基材印制而成，且所述耐磨层表面在预贴合前经过光面不压纹处理；
S2：对步骤S1中的所述贴面进行压纹处理；
S3：生产所述PVC轻质墙板的基体；
S4：对步骤S3中的所述基体进行PUR胶体涂覆后与步骤S2中经过压纹处理的所述贴面进行贴合，获得所述PVC轻质墙板的预制板；
S5：对步骤S4中所述的预制板进行表面抗菌UV滚涂处理，获得所述PVC轻质墙板的半成品。
S6：对步骤S5中所述的半成品进行锯切修边处理，并于所述半成品背面贴双面胶带，经检验合格后进行包装。
进一步的是，步骤S1中，在进行预贴合前，对所述印刷膜底面进行PUR胶水附着力测试，对附着不良的印刷膜底面进行背涂透明油处理。
进一步的是，对步骤S3中的所述基体的涂胶面进行增粘处理。
进一步的是，所述步骤S3中用发泡挤出的方法生产所述PVC轻质墙板的基体。
进一步的是，所述PVC轻质墙板的基体的厚度为3mm。
进一步的是，步骤S4中的所述基体经过清洗机清洗后，再进行PUR胶体涂覆，并采用200KG的压板对贴合后的预制板进行保压处理24小时。
进一步的是，所述PUR胶体的涂布量为60-70g/m2。
进一步的是，步骤S5中的所述预制板经过至少72小时的养生后，再进行表面抗菌UV滚涂处理。
进一步的是，所述表面抗菌UV滚涂处理为双辊滚涂，滚涂量为6-8g/m2；并在滚涂后在40-50℃条件下进行流平处理，而后采用3个紫外光灯进行固化处理，经过24小时常温翘曲测试后，对翘曲较为明显的底面进行烫平处理。
本发明的有益效果是：
(1)表面采用印刷彩膜，可以满足不同应用场合下的色彩需求，同时印刷彩膜可以体现出多种花纹。
(2)在印刷彩膜下面使用耐磨层，提高整个PVC轻质墙板的耐用程度，延长使用寿命。
(3)最基层的PVC发泡板质量更轻，并能够实现保温、防潮等功能。对不同层，采取分开生产，互不干涉的生产方式，实现高效率的生产，通过对生产过程的控制，实现各层之间的紧密结合，从而提高PVC轻质墙板的使用寿命。
具体实施方式
下面结合实施例对本发明做进一步的详细说明，以令本领域技术人员参照说明 书文字能够据以实施。
1、面层贴合：
1.1、印刷面料：采用0PHO印刷基材印刷，印刷膜生产前进行底面PUR胶水附着力测试，对附着不良的印刷膜底面做背涂透明油处理，以增加胶水附着力。
1.2、耐磨层：将0.20mm耐磨层经过不压纹处理，做成光面后与背涂好的印刷膜在贴膜机上进行预贴合，并成卷。控制好预贴辊、加热灯罩温度及整机速度，使贴合度良好，无明显气泡与皱纹；控制牵引辊的收卷张力，保证门幅有效面达960mm或1000mm以上。而后，收卷整齐，包装膜绕好，每卷一个型号，标识清楚，获得贴面卷。
2、压纹：
压纹工艺实施例一：
控制好加热灯罩、预热辊温度及整机速度进行压纹，检查压纹深浅和光泽度均匀符合样品规范要求。保证门幅有效面达950mm或1000mm以上。叠放整齐、平整，进行分切，将分切后的贴面片放置于平整且面积大于分切后的贴面片的面积的托盘上，且所叠放的贴面片整体高度不超过1米，上面用盖板压好并用包装带收紧，不得用缠绕膜以免边沿打卷，每个托盘上放置一个型号规格的贴面片，标识清楚。
压纹工艺实施例二：
控制好加热灯罩、预热辊温度及整机速度进行压纹，检查压纹深浅和光泽度均匀符合样品规范要求。保证门幅有效面达950mm或1000mm以上。切除有效面积外多余的毛边，使用合适的张力进行收卷整齐后，分切成宽度为134mm的小卷，每卷直径小于600mm。
3、PVC轻质墙板基体预制
在发泡挤出机上进行低密度发泡板的生产，将基体原料加入热、冷搅拌机组进行搅拌，将完成搅拌后的原料送入发泡挤出机进行基体板材的挤出，通过平板冷却定型机进行压制定型，在牵引机上压制底纹，进行分切，最后在基体的涂胶面上进行增粘处理，以增加胶水的附着力。其中所述基体成品的厚度为3±0.1mm，密度为0.55±0.05g/cm3，硬度为30-35度，分切后长边的直线度＜2mm。
4、PUR胶贴面贴合
贴合工艺实施例一：
相连的所述基体之间的间隙设置为50cm，经过清洗机后、PUR上胶机于基体 表面涂胶，并手工导入分切好的贴面于PUR胶面经紧压辊使贴面与基体紧密贴合在一起，贴面要覆盖胶面，贴好的板材要对合整齐堆放于平整的托盘上，上面施加200Kg压板保持24小时以上。其中板材的堆放高度不超过1米，PUR涂布量为60-70g/m2，涂布均匀。
贴合工艺实施例二：
将经过增粘处理后的基体送料至锯切机进行毛坯的锯切，然后于PUR涂胶辊上上胶，而后与贴面连续贴合，并经过预压辊后进行分切机分切，在双辊加压辊后进行收片对合堆放，并加压放置24小时以上。其中，锯切宽度为133mm。
贴合工艺实施例三：
将经过增粘处理后的基体送料PUR涂胶辊上上胶，而后与贴面连续贴合，并经过预压辊后进行手工分切，在双辊加压辊后进行收片对合堆放，并加压放置24小时以上。其中在进行上胶前对基体两边毛边进行去毛边处理，使得所述基体的宽度为990-995mm。
5、表面抗菌UV滚涂
在预制板养生至少72小时后，在其表面采取双辊抗菌UV滚涂处理6-8g/m2，经40-50℃条件下流平、采取三紫外光灯固化并及时冷却至常温或者40℃后，对合放于平整的托盘上，待完全冷却到位，并对翘曲度进行检测，如果翘曲较明显，则对其进行热辊压处理，使其平整，形成半成品。
6、对半成品进行锯切修边处理
放片输送，然后进行纵向锯切，转角输送后在进行横向锯切，收集成品进入修边处理。首先对长边进行修边，转角输送后进行短边修边，外观检查。
7、贴双面胶带
沿纵向分别在成品背面的两侧边以及中间位置贴双面胶带，其中侧边的双面胶带距离基体边沿3-5mm。最后进行包装出库。
尽管本发明的实施方案已公开如上，但其并不仅仅限于说明书和实施方式中所列运用，它完全可以被适用于各种适合本发明的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节。

Claims (9)

  1. 一种PVC轻质墙板的加工方法，其特征在于包括如下步骤：
    S1：将印刷膜与耐磨层进行预贴合获得所述贴面，其中所述印刷膜由0PHO印刷基材印制而成，且所述耐磨层表面在预贴合前经过光面不压纹处理；
    S2：对步骤S1中的所述贴面进行压纹处理；
    S3：生产所述PVC轻质墙板的基体；
    S4：对步骤S3中的所述基体进行PUR胶体涂覆后与步骤S2中经过压纹处理的所述贴面进行贴合，获得所述PVC轻质墙板的预制板；
    S5：对步骤S4中所述的预制板进行表面抗菌UV滚涂处理，获得所述PVC轻质墙板的半成品。
    S6：对步骤S5中所述的半成品进行锯切修边处理，并于所述半成品背面贴双面胶带，经检验合格后进行包装。
  2. 一种如权利要求1所述的PVC轻质墙板的加工方法，其特征在于：步骤S1中，在进行预贴合前，对所述印刷膜底面进行PUR胶水附着力测试，对附着不良的印刷膜底面进行背涂透明油处理。
  3. 一种如权利要求1所述的PVC轻质墙板的加工方法，其特征在于：对步骤S3中的所述基体的涂胶面进行增粘处理。
  4. 一种如权利要求1所述的PVC轻质墙板的加工方法，其特征在于，所述步骤S3中用发泡挤出的方法生产所述PVC轻质墙板的基体。
  5. 一种如权利要求1所述的PVC轻质墙板的加工方法，其特征在于，所述PVC轻质墙板的基体的厚度为3mm。
  6. 一种如权利要求1所述的PVC轻质墙板的加工方法，其特征在于：步骤S4中的所述基体经过清洗机清洗后，再进行PUR胶体涂覆，并采用200KG的压板对贴合后的预制板进行保压处理24小时。
  7. 一种如权利要求6所述的PVC轻质墙板的加工方法，其特征在于：所述PUR胶体的涂布量为60-70g/m2。
  8. 一种如权利要求1所述的PVC轻质墙板的加工方法，其特征在于：步骤S5中的所述预制板经过至少72小时的养生后，再进行表面抗菌UV滚涂处理。
  9. 一种如权利要求8所述的PVC轻质墙板的加工方法，其特征在于：所述表 面抗菌UV滚涂处理为双辊滚涂，滚涂量为6-8g/m2；并在滚涂后在40-50℃条件下进行流平处理，而后采用3个紫外光灯进行固化处理，经过24小时常温翘曲测试后，对翘曲较为明显的底面进行烫平处理。
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