CN104277380A - 一种高耐寒pvc木塑复合材料及其制备方法 - Google Patents

一种高耐寒pvc木塑复合材料及其制备方法 Download PDF

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CN104277380A
CN104277380A CN201410618433.3A CN201410618433A CN104277380A CN 104277380 A CN104277380 A CN 104277380A CN 201410618433 A CN201410618433 A CN 201410618433A CN 104277380 A CN104277380 A CN 104277380A
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wood plastic
plastic composite
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pvc wood
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陈学军
方圆
吴浩然
喻勇
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Anhui Province San Le Door And Window Curtain Wall Engineering Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Abstract

本发明公开了一种高耐寒PVC木塑复合材料，其特征是由下述重量份的原料制得：PVCSG-760-80，硬脂酸钡3-5，锯末粉30-40，滑石粉3-5，氢氧化铝2-4，钡锌复合稳定剂3-5，三羟甲基乙烷1-2，己二酸二辛酯3-5，三甘醇二异辛酸酯2-4，蔗糖脂肪酸酯1-2，椰子油6-8，尿素3-5，AC发泡剂1-2，发泡调节剂2-4，复合助剂3-5。本发明的具有良好的耐寒抗冻性能，且机械性能、抗老化性和耐久性好，适于寒冷环境下使用。

Description

一种高耐寒PVC木塑复合材料及其制备方法
技术领域
本发明涉及复合材料技术领域，具体涉及一种高耐寒PVC木塑复合材料及其制备方法。
背景技术
木塑复合材料是一种新兴的复合材料，是以木纤维或植物纤维为主要原料，填充、增强，经热压复合、熔融挤出等不同加工方式制成的改性热塑性材料，主要用于建材、家具、物流包装等行业。木塑复合材料融合了“木”和“塑”的双重优点，既能克服因木材强度低、变异性大及有机材料弹性模量低等造成的使用局限性，又能充分利用废弃的木材和塑料，节能减排，减少环境污染，提升材料的附加价值，是一种极具发展前途的新型材料。尤其是随着天然资源的日益减少和需求的增加，木塑复合材料的应用领域不断扩大，技术水平随之升级，市场前景十分广阔。
发明内容
本发明的目的是提供一种高耐寒PVC木塑复合材料。
本发明是通过以下技术方案实现的：
一种高耐寒PVC木塑复合材料，其特征在于，其是由下述重量份的原料制得：
PVC SG-7 60-80，硬脂酸钡3-5，锯末粉30-40，滑石粉3-5，氢氧化铝2-4，钡锌复合稳定剂3-5，三羟甲基乙烷1-2，己二酸二辛酯3-5，三甘醇二异辛酸酯2-4，蔗糖脂肪酸酯1-2，椰子油6-8，尿素3-5，AC发泡剂1-2，发泡调节剂2-4，复合助剂3-5；
其中复合助剂由下列重量份的原料制成：
纳米氧化锌8-10，纳米氧化铝4-6，纳米二氧化硅3-5，三氧化二锑3-5，三乙醇胺2-4，白矿油4-6，橄榄油6-10，单宁酸0.3-0.5，单硬脂酸甘油酯1-2，铝酸酯偶联剂2-4；
其中复合助剂的制备方法是：
将纳米氧化锌、纳米氧化铝、纳米二氧化硅和三氧化二锑加入适量乙醇中超声分散10-15min，再加入单宁酸、三乙醇胺和铝酸酯偶联剂200-400r/min搅拌0.5-1h，过滤并洗涤，真空干燥后加入白矿油、橄榄油和单硬脂酸甘油酯80-90℃、800-1000r/min搅拌2-4h，过滤后洗涤干燥，即得。
一种高耐寒PVC木塑复合材料的制备方法，其包括以下步骤：
（1）将锯末粉、滑石粉和氢氧化铝混合后充分干燥，加入椰子油和蔗糖脂肪酸酯后共同研磨均匀，再于80-90℃、800-1000r/min条件下搅拌0.5-1h，得混合填料；
（2）将（1）中得到的混合填料与PVC SG-7、己二酸二辛酯、三甘醇二异辛酸酯和复合助剂混合后共同加入高混机，先于80-90℃高速混合20-30min，再加入其余原料120-140℃高速混合10-15min，随后加入螺杆挤出机中挤出成型，最后进行表面处理，即得成品。
本发明的优点是：
1. 通过配方与工艺的改进，使制得的木塑复合材料具有良好的耐寒抗冻性能，且机械性能和耐久性好，适于寒冷环境下使用；
2. 通过添加复合助剂，使产品具有优异的抗菌性、抗老化性和抗蠕变性，质量稳定，使用寿命长。
具体实施方式
本发明非限定实施例如下：
一种高耐寒PVC木塑复合材料，由下列重量(kg)的组分原料制备而成：
PVC SG-7 70，硬脂酸钡4，锯末粉35，滑石粉4，氢氧化铝3，钡锌复合稳定剂4，三羟甲基乙烷1.5，己二酸二辛酯4，三甘醇二异辛酸酯3，蔗糖脂肪酸酯1.5，椰子油7，尿素4，AC发泡剂1.5，发泡调节剂3，复合助剂4；
其中，复合助剂由下列重量（kg）的原料制成：
纳米氧化锌9，纳米氧化铝5，纳米二氧化硅4，三氧化二锑4，三乙醇胺3，白矿油5，橄榄油8，单宁酸0.4，单硬脂酸甘油酯1.5，铝酸酯偶联剂3；
复合助剂的制备方法：
将纳米氧化锌、纳米氧化铝、纳米二氧化硅和三氧化二锑加入适量乙醇中超声分散10min，再加入单宁酸、三乙醇胺和铝酸酯偶联剂400r/min搅拌0.5h，过滤并洗涤，真空干燥后加入白矿油、橄榄油和单硬脂酸甘油酯90℃、1000r/min搅拌3h，过滤后洗涤干燥，即得。
高耐寒PVC木塑复合材料的制备方法包括以下步骤：
（1）将锯末粉、滑石粉和氢氧化铝混合后充分干燥，加入椰子油和蔗糖脂肪酸酯后共同研磨均匀，再于90℃、1000r/min条件下搅拌0.5h，得混合填料；
（2）将（1）中得到的混合填料与PVC SG-7、己二酸二辛酯、三甘醇二异辛酸酯和复合助剂混合后共同加入高混机，先于90℃高速混合30min，再加入其余原料140℃高速混合15min，随后加入螺杆挤出机中挤出成型，最后进行表面处理，即得成品。
本实施例产品按GB/T 29418-2012标准检测性能指标如下：
拉伸强度：24.5MPa，弯曲强度：28MPa。

Claims (2)

1.一种高耐寒PVC木塑复合材料，其特征在于，其是由下述重量份的原料制得：
PVC SG-7 60-80，硬脂酸钡3-5，锯末粉30-40，滑石粉3-5，氢氧化铝2-4，钡锌复合稳定剂3-5，三羟甲基乙烷1-2，己二酸二辛酯3-5，三甘醇二异辛酸酯2-4，蔗糖脂肪酸酯1-2，椰子油6-8，尿素3-5，AC发泡剂1-2，发泡调节剂2-4，复合助剂3-5；
所述复合助剂由下列重量份的原料制成：
纳米氧化锌8-10，纳米氧化铝4-6，纳米二氧化硅3-5，三氧化二锑3-5，三乙醇胺2-4，白矿油4-6，橄榄油6-10，单宁酸0.3-0.5，单硬脂酸甘油酯1-2，铝酸酯偶联剂2-4；
所述复合助剂的制备方法是：
将纳米氧化锌、纳米氧化铝、纳米二氧化硅和三氧化二锑加入适量乙醇中超声分散10-15min，再加入单宁酸、三乙醇胺和铝酸酯偶联剂200-400r/min搅拌0.5-1h，过滤并洗涤，真空干燥后加入白矿油、橄榄油和单硬脂酸甘油酯80-90℃、800-1000r/min搅拌2-4h，过滤后洗涤干燥，即得。
2.根据权利要求1所述的一种高耐寒PVC木塑复合材料的制备方法，其特征在于，包括以下步骤：
（1）将锯末粉、滑石粉和氢氧化铝混合后充分干燥，加入椰子油和蔗糖脂肪酸酯后共同研磨均匀，再于80-90℃、800-1000r/min条件下搅拌0.5-1h，得混合填料；
（2）将（1）中得到的混合填料与PVC SG-7、己二酸二辛酯、三甘醇二异辛酸酯和复合助剂混合后共同加入高混机，先于80-90℃高速混合20-30min，再加入其余原料120-140℃高速混合10-15min，随后加入螺杆挤出机中挤出成型，最后进行表面处理，即得成品。
CN201410618433.3A 2014-11-06 2014-11-06 一种高耐寒pvc木塑复合材料及其制备方法 Pending CN104277380A (zh)

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Application publication date: 20150114