CN103937109B - 增强增韧聚丙烯塑料及其制备方法 - Google Patents
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 21
- -1 chlorobenzene biguanides Chemical class 0.000 claims description 9
- 229940123208 Biguanide Drugs 0.000 claims description 7
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Substances ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 15
- 229920003023 plastic Polymers 0.000 abstract description 15
- 230000035939 shock Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 description 11
- 230000000844 anti-bacterial effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 231100000215 acute (single dose) toxicity testing Toxicity 0.000 description 1
- 238000011047 acute toxicity test Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229940023064 escherichia coli Drugs 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明公开了一种增强增韧聚丙烯塑料及其制备方法，所述增强增韧聚丙烯塑料包括下述重量份的组分：70-90份PP树脂；5-15份POE树脂；5-15份硫酸钡。本发明相对于纯PP塑料，拉伸屈服强度得到提高，具有较高的刚性强度；并且冲击强度有较大提高，具有较好的韧性。本发明可广泛用于家用电器、塑料管材、汽车内饰件等产品的生产。
Description
技术领域
本发明涉及一种塑料及其制备方法，尤其涉及一种增强增韧聚丙烯塑料及其制备方法。
背景技术
聚丙烯(Polypropylene，简称PP)是一种半结晶的热塑性塑料。具有较高的耐冲击性，机械性质强韧，抗多种有机溶剂和酸碱腐蚀。在工业界有广泛的应用，是平常常见的高分子材料之一。
材料的断裂前吸收能量和进行塑性变形的能力。与脆性相反，材料在断裂前有较大形变、断裂时断面常呈现外延形变，此形变不能立即恢复，其应力-形变关系成非线性、消耗的断裂能很大的材料。通常以冲击强度的大小来衡量。韧性越好，则发生脆性断裂的可能性越小。
塑料的刚性是指塑料抵抗变形的能力。一般指的拉伸强度、弯曲强度或拉伸模量、弯曲模量。
现有技术中，聚丙烯塑料存在强度及韧性不足的缺点。
发明内容
针对现有技术中存在的上述不足，本发明所要解决的技术问题之一是提供一种增强增韧聚丙烯塑料，具有较高的强度和较好的韧性。
本发明所要解决的技术问题之二是提供上述增强增韧聚丙烯塑料的制备方法。
本发明是通过如下技术方案实现的：
一种增强增韧聚丙烯塑料，包含下述重量份的组分：70-90份PP树脂；5-15份POE树脂；5-15份硫酸钡。
优选地，本发明提供了：
一种增强增韧聚丙烯塑料，包含下述重量份的组分：70-90份PP树脂；5-15份POE树脂；5-15份硫酸钡；0.2-0.6份抗菌剂。
所述抗菌剂为2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮和/或1,6-双(正-对氯苯双胍)己烷。
最优地，所述抗菌剂为2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮和1,6-双(正-对氯苯双胍)己烷的混合物，2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮和1,6-双(正-对氯苯双胍)己烷的重量比为3:1-1:3。
2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮，CAS号：499-44-5。可用于化妆品防腐，但并未见任何将该原料用于塑料抗菌的书面报道。
1,6-双(正-对氯苯双胍)己烷，CAS号：55-56-1。可用于食品厂、化妆品厂、制药厂等的表面消毒，但并未见任何将该原料用于塑料抗菌的书面报道。
显然，在本发明中为提高产品的其他性能，还可以适应性地在共混物料中添加其他助剂，如抗氧剂、阻燃剂、抗静电剂、填充剂和颜料等，其用量均为本行业的常规用量，或根据实际情况的要求进行调整。
本发明还提供了上述增强增韧聚丙烯塑料的制备方法：按配比称取各组分，捏合、混炼、挤出、造粒。
本发明相对于纯PP塑料，拉伸屈服强度得到提高，具有较高的刚性强度；并且冲击强度有较大提高，具有较好的韧性。本发明可广泛用于家用电器、塑料管材、汽车内饰件等产品的生产。
具体实施方式
实施例中，原料的具体选择：
PP树脂选用LG化学公司牌号GP3100的通用级PP树脂。
POE树脂选用三井化学公司牌号DF740的POE树脂。
硫酸钡选用上海振江化工有限公司生产的振江牌1250目沉淀硫酸钡。
实施例1-3
按照表1中对应实施例1-3数据称取各组分，在常规塑料加工设备中经捏合、混炼、挤出、造粒，获得本发明的增强增韧聚丙烯塑料。
表1：增强增韧聚丙烯塑料配方表单位：公斤
| 实施例1 | 实施例2 | 实施例3 | |
| PP树脂 | 80 | 80 | 80 |
| POE树脂 | 10 | 10 | 10 |
| 硫酸钡 | 10 | 10 | 10 |
| 2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮 | 0.2 | 0.4 | / |
| 1,6-双(正-对氯苯双胍)己烷 | 0.2 | / | 0.4 |
测试例
(1)抗菌测试：
采用常规方法将实施例1-3制得的增强增韧聚丙烯塑料，分别制备成50mm×50mm×4mm的样品，进行抗菌测试，测试数据见表2。
抗菌测试标准：
QB/T2591-2003抗菌塑料抗菌性能试验方法和抗菌效果。
检测用菌：
大肠埃希氏菌(Escherichiacoli)ATCC25922；金黄色葡萄球菌(Staphylococcusaureus)ATCC6538。
表2：增强增韧聚丙烯塑料抗菌性能测试表
| 实施例1 | 实施例2 | 实施例3 | |
| 大肠杆菌杀菌率，％ | 99.6 | 98.4 | 98.7 |
| 金黄色葡萄球菌杀菌率，％ | 99.1 | 98.1 | 97.5 |
(2)毒性测试：
实施例1-3的增强增韧聚丙烯塑料，经急性毒性试验表明，对小白鼠的LD50＞10000mg/kg，属实际无毒物质。
(3)力学性能：
表3：增强增韧聚丙烯塑料强度性能测试表
| 纯PP | 实施例1 | |
| 拉伸屈服强度(标准：ASTM D-638)，MPa | 34.1 | 35.4 |
| Izod缺口冲击强度，(标准：ASTM D-256)，J/m | 69.5 | 120.8 |
本发明相对于纯PP塑料，拉伸屈服强度得到提高，具有较高的刚性强度；并且冲击强度有较大提高，具有较好的韧性。本发明可广泛用于家用电器、塑料管材、汽车内饰件等产品的生产。特别在配方中添加特定的抗菌剂后，使用环境中本身对沾污在塑料上的细菌、霉菌、醇母菌、藻类甚至病毒等起抑制或杀灭作用，通过抑制微生物的繁殖来保持塑料自身清洁。
Claims (2)
1.一种增强增韧聚丙烯塑料，其特征在于，包含下述重量份的组分：70-90份PP树脂；5-15份POE树脂；5-15份硫酸钡；0.2-0.6份抗菌剂；
所述抗菌剂为2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮和1,6-双(正-对氯苯双胍)己烷的混合物，2-羟基-4-异丙基-2,4,6-环庚三烯-1-酮和1,6-双(正-对氯苯双胍)己烷的重量比为3:1-1:3。
2.如权利要求1所述的增强增韧聚丙烯塑料的制备方法，其特征在于：按配比称取各组分，捏合、混炼、挤出、造粒。
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| CN105295194A (zh) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | 抗菌汽车空调后出风连接管及其制备方法 |
| CN105295195A (zh) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | 抗菌汽车空调后出风连接管及其制备方法 |
| CN105802207A (zh) * | 2016-04-22 | 2016-07-27 | 柳州蓓蒂芬科技有限公司 | 汽车内饰件用塑料及制作方法 |
| CN114015155A (zh) * | 2021-11-10 | 2022-02-08 | 暨南大学 | 一种聚丙烯材料及其在制备防止癌细胞扩散的套袋中的应用 |
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