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CN103694605B - Pvc发泡铝塑建筑模板 - Google Patents

Pvc发泡铝塑建筑模板 Download PDF

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Publication number
CN103694605B
CN103694605B CN201410020694.5A CN201410020694A CN103694605B CN 103694605 B CN103694605 B CN 103694605B CN 201410020694 A CN201410020694 A CN 201410020694A CN 103694605 B CN103694605 B CN 103694605B
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China
Prior art keywords
aluminium alloy
alloy plate
core layer
foamed core
pvc
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CN201410020694.5A
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CN103694605A (zh
Inventor
应向东
万成龙
宋连根
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Jiangxi Building Materials Research And Design Institute Co ltd
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Jiangxi Building Materials Scientific Research & Design Institute
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

一种PVC发泡铝塑建筑模板，由上铝合金板表层、下铝合金板表层和中间发泡芯层构成，所述中间发泡芯层的组分和重量份数为：SG-5型PVC树脂25～30、20～50目PVC废料粉60、1000目轻质碳酸钙10～15、AC发泡剂0.2～0.3、NC发泡剂0.4～0.5、发泡调节剂4～5、复合热稳定剂2.5～3.0、石蜡0.4～0.5、氧化聚乙烯蜡0.2～0.3、聚乙烯蜡0.5～0.6、CPE-135A4～5。本发明以热塑性塑料--聚氯乙烯或废旧聚氯乙烯塑料为基材，以轻质碳酸钙作为填料，加入各种助剂和改性剂，经双锥挤出机及发泡模具挤压成型，具表面光滑、强度大、韧性好、抗冲击性强、使用寿命长的特点。

Description

PVC发泡铝塑建筑模板
技术领域
本发明涉及建筑模板，尤其是一种PVC发泡铝塑建筑模板。
背景技术
塑料建筑模板是继木模板、竹胶板、钢模板之后的第四代混凝土浇筑用模板，是节能环保型产品，塑料模板技术也成为住建部大力推广的建筑业10项新技术（2010版）之一。在近几年，我国塑料模板发展十分迅速，硬质PVC低发泡模板是我国塑料模板市场上的主流产品，但是由于PVC低发泡模板强度较传统竹、木胶合板要差，推广应用受到较大地限制。
发明内容
本发明的目的就是提供一种表面光滑、强度大、韧性好、抗冲击性强、使用寿命长的PVC发泡铝塑建筑模板。
本发明的PVC发泡铝塑建筑模板，由上铝合金板表层、下铝合金板表层和中间发泡芯层构成，所述中间发泡芯层的组分和重量份数为：SG-5型PVC树脂25～30、20～50目PVC废料粉60、1000目轻质碳酸钙10～15、AC发泡剂0.2～0.3、NC发泡剂0.4～0.5、发泡调节剂4～5、复合热稳定剂2.5～3.0、石蜡0.4～0.5、氧化聚乙烯蜡0.2～0.3、聚乙烯蜡0.5～0.6、CPE-135A4～5。
本发明的PVC发泡铝塑建筑模板，以热塑性塑料--聚氯乙烯或废旧聚氯乙烯塑料为基材，以轻质碳酸钙作为填料，加入各种助剂和改性剂，经双锥挤出机及发泡模具挤压成型，具体工艺流程如图1所示，双锥挤出机，温度设置如下：
本发明的PVC发泡铝塑建筑模板，克服了现有PVC发泡建筑模板强度低、韧性差的问题，提供了一种全新的复合方式—铝塑复合，上下表面复合铝合金板大幅提高模板的强度、韧性，同时，也增强了模板的抗冲击性，增加其重复使用次数。
主要性能指标如下表：
项目 PVC塑料建筑模板 PVC发泡铝塑建筑模板 检测方法
维卡软化温度，℃ 65～75 ﹥100 GB/T 1633-2000
热尺寸变形率，% 0.5～2.0 0.05 GB/T 8814-2004
高低温复合尺寸变化率，% 0.5～2.0 0.02 GB/T 8814-2004
硬度，HD 70～80 ﹥100 GB/T 2411-2008
静曲强度，Mpa 20～24 40 GB/T 17657-1999
弯曲弹性模量，Mpa 1000～1500 5000 GB/T 17657-1999
重复使用次数 25 50 ——
，由上表可知，相比普通的PVC低发泡建筑模板，PVC发泡铝塑建筑模板的综合性能均有大幅的提升。PVC发泡铝塑建筑模板的耐候性能大幅提升，提高了模板的重复使用次数，拓宽了模板的应用范围。模板加工性能好，可钉、刨、锯、切。模板物理力学性能优异，具有轻质、高强、高韧、高硬度等特点，较传统的竹、木胶合板具有显著的优势。模板使用寿命长，可反复使用50次以上，报废后的模板还可以100%回收利用。模板环保无污染，支模效果好，脱模后的混凝土表面光滑平整，可以做清水墙面。模板耐水性好，吸水率低，遇水后不存在膨胀、变形等问题；模板阻燃性好，可达到B1级阻燃。
附图说明
图1为本发明的工艺流程图。
具体实施方式
一种PVC发泡铝塑建筑模板，由上铝合金板表层、下铝合金板表层和中间发泡芯层构成，中间发泡芯层厚度为14mm，密度为0.60～0.65g/cm3，上铝合金板表层和下铝合金板表层厚度为0.5mm，覆盖在中间发泡芯层上下表面。
所述中间发泡芯层的组分和重量份数为：SG-5型PVC树脂25、50目PVC废料粉60、1000目轻质碳酸钙13、AC发泡剂0.3、NC发泡剂0.4、发泡调节剂（ACR-401）5、复合热稳定剂2.8、石蜡0.5、氧化聚乙烯蜡OA-60.2、聚乙烯蜡（PE蜡）0.6、CPE-135A4。

Claims (1)

1.一种PVC发泡铝塑建筑模板，其特征在于：它由上铝合金板表层、下铝合金板表层和中间发泡芯层构成，所述中间发泡芯层的组分和重量份数为：SG-5型PVC树脂25～30、20～50目PVC废料粉60、1000目轻质碳酸钙10～15、AC发泡剂0.2～0.3、NC发泡剂0.4～0.5、发泡调节剂4～5、复合热稳定剂2.5～3.0、石蜡0.4～0.5、氧化聚乙烯蜡0.2～0.3、聚乙烯蜡0.5～0.6、CPE-135A4～5，中间发泡芯层厚度为14mm，密度为0.60～0.65g/cm3，上铝合金板表层和下铝合金板表层厚度为0.5mm，覆盖在中间发泡芯层上下表面。
CN201410020694.5A 2014-01-17 2014-01-17 Pvc发泡铝塑建筑模板 Active CN103694605B (zh)

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CN104292696A (zh) * 2014-09-30 2015-01-21 山东瑞丰高分子材料股份有限公司 Pvc 发泡板材及其制备方法
WO2016064354A1 (en) * 2014-10-20 2016-04-28 Sağlam Mithat Rüştü A carrier system
CN104592685A (zh) * 2015-02-02 2015-05-06 赵新明 一种实芯高分子发泡建筑模板及其生产方法
CN104861394A (zh) * 2015-05-28 2015-08-26 天津市甘霖建材科技发展有限公司 一种基于pvc的多层复合建筑塑料模板及其设计方法
CN105885289A (zh) * 2016-05-13 2016-08-24 洛阳彤耀建材有限公司 一种pvc高分子塑料模板及其制备方法
CN106496865A (zh) * 2016-11-08 2017-03-15 佛山市炬业科技有限公司 用于制做门套的塑木材料及其制备方法
CN108297369B (zh) * 2018-01-22 2020-11-24 中天星建设工程有限公司 一种无甲醛高强度家居板材及其制备方法
CN109880251A (zh) * 2019-01-22 2019-06-14 青岛海诺瓦型材制造有限公司 一种铝塑共挤型材用硬质发泡塑料及其制备方法
CN114031868A (zh) * 2021-12-22 2022-02-11 河南中顶豪瑞科技有限公司 一种装饰板材和其制作方法
CN115434505A (zh) * 2022-08-15 2022-12-06 上海模新新材料科技有限公司 轻质现浇混凝土用新型复合材料建筑模板

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CN102993601A (zh) * 2012-11-26 2013-03-27 芜湖海螺新材料有限公司 一种pvc发泡板材配方及其制备方法
CN202882407U (zh) * 2012-11-16 2013-04-17 中国建筑股份有限公司 铝合金增强的轻质高强环保节材型建筑模板

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Publication number Priority date Publication date Assignee Title
JPH08142273A (ja) * 1994-11-11 1996-06-04 Shoei Kagaku Kogyo Kk 複合パネル
CN1276393A (zh) * 1999-06-02 2000-12-13 兖州矿业(集团)有限责任公司新世纪集团公司 难燃工业壁板用组合物及生产工艺
CN202156420U (zh) * 2011-07-15 2012-03-07 中盛建材有限公司 一种高性能金属复合吊顶板
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Address after: No. 355, Hefang West Road, Qingyunpu District, Nanchang City, Jiangxi Province 333000

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Address before: 330001 No.355, Hefang West Road, Nanchang City, Jiangxi Province

Patentee before: JIANGXI BUILDING MATERIALS SCIENTIFIC RESEARCH & DESIGN INSTITUTE