CN102924812A - 纳米聚丙烯组合物 - Google Patents

纳米聚丙烯组合物 Download PDF

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CN102924812A
CN102924812A CN2012104404293A CN201210440429A CN102924812A CN 102924812 A CN102924812 A CN 102924812A CN 2012104404293 A CN2012104404293 A CN 2012104404293A CN 201210440429 A CN201210440429 A CN 201210440429A CN 102924812 A CN102924812 A CN 102924812A
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parts
temperature
polypropylene composition
polypropylene
resistant
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冯加林
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Jiangsu Science And Technology Ltd Of Futong
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Jiangsu Science And Technology Ltd Of Futong
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Priority to CN2012104404293A priority Critical patent/CN102924812A/zh
Priority to PCT/CN2012/087483 priority patent/WO2014071671A1/zh
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

纳米聚丙烯组合物,按质量份由基料和配剂组成,所述基料为PPK7726:60份,PPK8303:6份、PPT30S:15份、SBSYH-792:9份;配剂为:丁基橡胶:0.2份,硫酸钡:8份、铝酸酯偶联剂:0.7份,光稳定剂GW-628:0.12份、抗氧剂1010:0.1份、抗氧剂DLTP:0.2份,硬脂酸钙(CaSt):0.08份,光稳定剂GW-480:0.09份。本发明提供的改进的纳米聚丙烯组合物,耐低温,零下40℃不老化,不断裂;耐高温,零上65℃不变形;户外使用达到两年内抗紫外线三级标准。

Description

纳米聚丙烯组合物
 
技术领域
本发明属于聚丙烯技术领域,尤其涉及一种改进的纳米聚丙烯组合物。
 
背景技术
聚丙烯的结晶度高,结构规整,因而具有优良的力学性能。但在室温和低温下,由于本身的分子结构规整度高,所以冲击强度较差。聚丙烯最突出的性能就是抗弯曲疲劳性。聚丙烯具有良好的耐热性,制品能在100℃以上温度进行消毒灭菌,在不受外力的条件下,150℃也不变形。脆化温度为-35℃,在低于-35℃会发生脆化,耐寒性不如聚乙烯。聚丙烯的化学稳定性很好,除能被浓硫酸、浓硝酸侵蚀外,对其它各种化学试剂都比较稳定;但低分子量的脂肪烃、芳香烃和氯化烃等能使聚丙烯软化和溶胀,同时它的化学稳定性随结晶度的增加还有所提高,所以聚丙烯适合制作各种化工管道和配件,防腐蚀效果良好。聚丙烯的高频绝缘性能优良,由于它几乎不吸水,故绝缘性能不受湿度的影响。它有较高的介电系数,且随温度的上升,可以用来制作受热的电气绝缘制品。它的击穿电压也很高,适合用作电气配件等。抗电压、耐电弧性好,但静电度高,与铜接触易老化。聚丙烯对紫外线很敏感,加入氧化锌、硫代二丙酸二月桂酯、碳黑或类似的乳白填料等可以改善其耐老化性能。传统通用级的PP存在很多缺点,如强度低,收缩率大,易翘曲,耐温差,耐化学性和光稳定性差等诸多缺陷。但传统的PP也有透明性好,价格低廉的有点,主要应用在一些大众的日常用品上,特别是可进行后续的改性造粒加工。
 
发明内容
解决的技术问题: 本发明提供一种改进的纳米聚丙烯组合物,该组合物平衡了机械性能、化学性能、热性能和光稳定性能,满足了家具产品在室内外特殊场合应用过程中,长期耐紫外线光照,不变色耐老化。
技术方案:纳米聚丙烯组合物,按质量份由基料和配剂组成,所述基料为PP K7726:60份,PP K8303:6份、PP T30S:15份、SBS YH-792:9份;配剂为:丁基橡胶:0.2份,硫酸钡:8份、铝酸酯偶联剂:0.7份,光稳定剂GW-628:0.12份、抗氧剂1010:0.1份、抗氧剂DLTP: 0.2份,硬脂酸钙(CaSt):0.08份,光稳定剂GW-480:0.09份。
还包括钛白粉R902:1份、红粉:0.0045份、黄粉:0.0095份或炭黑:0.0023份。
有益效果:本发明提供的改进的纳米聚丙烯组合物,耐低温,零下40℃不老化,不断裂;耐高温,零上65℃不变形;户外使用达到两年内抗紫外线三级标准;强度标准:拉伸强度28/MPa,断裂延伸率435%,弯曲强度26,悬臂梁缺口冲击强度常温610J/N、-40℃238J/N;成型收缩率 13%以下;热变形温度 1.82map/c须达115℃。
 
具体实施方式
实施例1
纳米聚丙烯组合物,按质量份由基料和配剂组成,所述基料为PP(聚丙烯) K7726:60份(燕山石化),PP K8303:6份(燕山石化)、PP T30S:15份(齐鲁石化)、SBS YH-792:9份(岳阳石化);配剂为:丁基橡胶:0.2份,硫酸钡:8份、铝酸酯偶联剂(杭州杰西卡化工有限公司):0.7份,光稳定剂628(山西省化工研究所):0.12份、抗氧剂1010(巴斯夫):0.1份、抗氧剂DLTP(佛山市骐邦化工有限公司): 0.2份,硬脂酸钙(CaSt):0.08份,光稳定剂GW-480(北京加成助剂研究所):0.09份,根据产品颜色要求,还可以加入钛白粉R902:1份、红粉:0.0045份、黄粉:0.0095份或炭黑:0.0023份。
制备工艺为:将上述物料按比例混合,在110℃下热循环除湿60分钟,通过挤塑机,每分钟进料量控制在7000g,风冷至室温后,平行切粒,最后密封包装。
表1产品性能检测
性能 测试标准 单位 通用聚丙烯 增韧聚丙烯 增强聚丙烯 纳米聚丙烯
拉伸强度 GB/T1040-1992 Mpa 30 22 80 70
断裂延长率 GB/T1040-1992 % 100 200 2 50
弯曲强度 GB/T9341-2000 Mpa 35 25 120 95
弯曲模量 GB/T9341-2000 Mpa 1000 800 7000 6000
热变形温度 GB/T1040-1992 80 70 130 120
缺口冲击强度 GB/T1843-2008 J/M 50 180 60 120
熔体流动性 GB/T3682-2000 230℃/2.16kg 5 4 6 8
成型收缩率 GB/T15585-1995 % 1.8 2.0 0.9 1.0
燃烧性 UL94 ---- HB易燃 HB易燃 HB易燃 HB
抗紫外线 GB/T16422-1999 150/H ---- ---- ---- >2000
表观 FT ----
通过上表可以看出,通用聚丙烯改性后的纳米聚丙烯结合了增韧聚丙烯和增强聚丙烯的拉伸强度,断裂延长率,弯曲强度,冲击强度及热变形温度。使产品在特殊环境使用中,局部的薄弱部位不会因为外界的应力及其他因素导致产品破裂。另外纳米聚丙烯也有一定的耐热性能,不会因为温度的过高导致强度的降低和软化。同时,我们所配伍的组合物添加的助剂成份,使产品在室外及恶劣天气环境下不会因为灰尘和长时间阳光照射,导致产品的清洁困难及老化和颜色变化。且改进纳米聚丙烯燃烧速度比其他聚丙烯慢5倍以上,安全性提高。

Claims (2)

1.纳米聚丙烯组合物,其特征在于按质量份由基料和配剂组成,所述基料为PP K7726:60份,PP K8303:6份、PP T30S:15份、SBS YH-792:9份;配剂为:丁基橡胶:0.2份,硫酸钡:8份、铝酸酯偶联剂:0.7份,光稳定剂GW-628:0.12份、抗氧剂1010:0.1份、抗氧剂DLTP: 0.2份,硬脂酸钙(CaSt):0.08份,光稳定剂GW-480:0.09份。
2.根据权利要求1所述的纳米聚丙烯组合物,其特征在于还包括钛白粉R902:1份、红粉:0.0045份、黄粉:0.0095份或炭黑:0.0023份。
CN2012104404293A 2012-11-07 2012-11-07 纳米聚丙烯组合物 Pending CN102924812A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107337855A (zh) * 2017-07-26 2017-11-10 武汉金发科技有限公司 一种耐候有色聚丙烯复合材料及其制备方法

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CN1966559A (zh) * 2005-11-15 2007-05-23 哈尔滨鑫达高分子材料股份有限公司 高光泽低收缩率纳米聚丙烯改性复合物及其制备方法
CN102649854A (zh) * 2011-02-23 2012-08-29 中国科学院化学研究所 一种聚丙烯组合物及其制备方法
CN102206383A (zh) * 2011-06-30 2011-10-05 广州市聚赛龙工程塑料有限公司 一种汽车保险杆用的聚丙烯复合材料及其制备方法
CN102643483B (zh) * 2012-05-20 2014-06-25 柳州市海达新型材料科技有限公司 汽车地毯压条用聚丙烯材料的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107337855A (zh) * 2017-07-26 2017-11-10 武汉金发科技有限公司 一种耐候有色聚丙烯复合材料及其制备方法

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Application publication date: 20130213