CN112876779A - 一种适用于拐杖的高止滑性能石墨烯复合材料 - Google Patents
一种适用于拐杖的高止滑性能石墨烯复合材料 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 241001166076 Diapheromera femorata Species 0.000 title claims description 18
- 229920001971 elastomer Polymers 0.000 claims abstract description 51
- 239000005060 rubber Substances 0.000 claims abstract description 51
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 37
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 22
- 239000004088 foaming agent Substances 0.000 claims abstract description 22
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 21
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 21
- 229920001194 natural rubber Polymers 0.000 claims abstract description 21
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 20
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 18
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 18
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 18
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000008117 stearic acid Substances 0.000 claims abstract description 18
- 239000011787 zinc oxide Substances 0.000 claims abstract description 18
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 18
- 230000009965 odorless effect Effects 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 230000009967 tasteless effect Effects 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000004073 vulcanization Methods 0.000 claims description 18
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 15
- 238000004132 cross linking Methods 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- ICGLPKIVTVWCFT-UHFFFAOYSA-N 4-methylbenzenesulfonohydrazide Chemical compound CC1=CC=C(S(=O)(=O)NN)C=C1 ICGLPKIVTVWCFT-UHFFFAOYSA-N 0.000 claims description 3
- 239000004156 Azodicarbonamide Substances 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 3
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000005062 Polybutadiene Substances 0.000 abstract description 2
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical group C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- 241000253999 Phasmatodea Species 0.000 description 1
- 244000086363 Pterocarpus indicus Species 0.000 description 1
- 235000009984 Pterocarpus indicus Nutrition 0.000 description 1
- 240000002751 Sideroxylon obovatum Species 0.000 description 1
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- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
- -1 ethylene, propylene Chemical group 0.000 description 1
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- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
本发明提供一种适用于拐杖的高止滑性能石墨烯复合材料,包括以下原料:丁基橡胶,高苯乙烯,天然橡胶,三元乙丙胶,石墨烯,氧化锌,硬脂酸锌,硬脂酸,无味交联剂,发泡剂。该复合材料以天然橡胶,顺丁橡胶,三元乙丙胶为基础材料,添加石墨烯,氧化锌,硬脂酸锌,硬脂酸,无味交联剂,发泡剂助剂等。石墨烯具有很高的强度和很好的韧性,使得材料性能稳定,不易变形,其和橡胶紧密结合,有助于提高橡胶制品的强度、硬度和稳定性,从而增加材料的摩擦力,用于拐杖制作时止滑性能良好;其中三元乙丙胶具有良好的低温特性,工艺操作容易;无味交联剂和发泡剂生产过程分解不产生臭味,使用过程中不分解,使产品更具环保性。
Description
技术领域
本发明属于高分子材料技术领域,具体涉及一种适用于拐杖的高止滑性能石墨烯复合材料。
背景技术
拐杖一种辅助行走的简单器械,通常是一根木制或金属棍子,属于一种重要的医疗康复辅助用具,分手杖、肘杖、腋杖,其中手杖主要用于轻度需要,例如老年人或登山者,手杖不属于残疾人用品,肘杖属于中度下肢残疾人用品。拐杖的种类和制作取材形形色色,其中以竹、木制为最多。中国人喜欢用竹杖,它轻巧而富于弹性。其他拐棍有藤、紫檀、红木、黄杨、降龙木、牛角、牙、骨、金属等。据说,阴沉木手杖最为珍稀,阴沉木是木材因地壳变动而埋于土中,一般多为杉木“阴沉”而成,做成的拐棍质坚耐用,但存世寥寥,不易找寻。其次是铝合金不锈钢类。现代拐棍主要追求质量轻、承重大、便携带。所以铝合金材质已备受人们喜爱。
拐杖顶端有一个把手,充当行走时的“第三条腿”,稳定身体,也有三足或四足的,把手和足部一般为橡胶制品,为起强防滑作用,有的还结合了一个折叠小凳子。一般是老人和残疾人使用。杖一般高过人头累极的时候可以用双手扶一扶,拐只可以拄。但是一般橡胶制品防滑性能一般,强度有限,老人或者残疾人使用时容易滑倒或者受力后断裂。
石墨烯是一种以sp2杂化连接的碳原子紧密堆积成单层二维蜂窝状晶格结构的新材料。石墨烯具有优异的光学、电学、力学特性,在材料学、微纳加工、能源、生物医学和药物传递等方面具有重要的应用前景,其作为橡胶的补强材料,少量填充即可大幅度提高橡胶的机械性能,相应的提高橡胶制品的强度、硬度和耐摩擦力。开展石墨烯与橡胶复合材料的研究,对于提高我国橡胶产业的整体水平意义重大。然而,实际生产加工过程中,石墨烯在橡胶基体中的分散一直是困扰石墨烯橡胶复合材料的瓶颈,由于表面张力和自聚集的原因,橡胶和石墨烯之间结合力很低,极易相分离,从而是复合材料的性能大打折扣,远达不到预期的效果。
为了解决以上问题,开发一种适用于拐杖的高止滑性能石墨烯复合材料是很有前途的。
发明内容
基于以上现有技术,本发明的目的在于提供一种适用于拐杖的高止滑性能石墨烯复合材料,该材料具有具有很高的硬度和强度,能够承受较大压力不变形开裂,同时产品摩擦力高,具有高止滑性。
为了实现以上目的,本发明采用的技术方案为:
一种适用于拐杖的高止滑性能石墨烯复合材料,所述复合材料的基本组成包括以下重量份原料:丁基橡胶30~40份,高苯乙烯橡胶10~20份,天然橡胶25~35份,三元乙丙胶15~25份,石墨烯5~15份,氧化锌3~13份,硬脂酸锌2~8份,硬脂酸2~8份,无味交联剂1~3份,发泡剂2~6份。
为了更好的实现本发明,进一步的,所述复合材料的基本组成包括以下重量份原料:丁基橡胶35份,高苯乙烯15份,天然橡胶30份,三元乙丙胶20份,石墨烯10份,氧化锌8份,硬脂酸锌5份,硬脂酸5份,无味交联剂2份,发泡剂4份。
为了更好的实现本发明,进一步的,所述无味交联剂为双叔丁基过氧化二异丙基苯。
为了更好的实现本发明,进一步的,所述发泡剂为碳酸氢钠、N,N′-二甲硝基五次甲基四胺、偶氮二甲酰胺、二苯磺酰肼醚、对甲苯磺酰肼中的一种。
本发明还提供一种适用于拐杖的高止滑性能石墨烯复合材料的制备方法,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按5~15:2~8:3~13:100重量比混合后加热至120~140℃,加热至过程持续进行机械搅拌,加热至温度后维持2~4h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,即得适用于拐杖的高止滑性能石墨烯复合材料。
为了更好的实现本发明,进一步的,步骤2中混炼温度为120~180℃,混炼时间为3~6h。
为了更好的实现本发明,进一步的,步骤3中硫化交联时,先在平板硫化机上在120~160℃,8~10Mpa压力下,热压20~30min,然后在烘箱中进行二次硫化,硫化条件为170~180℃,2~4h,190~200℃,2~3h,210~220℃,1~2h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
有益效果
本发明的有益效果如下:
(1)本发明的复合材料中含有石墨烯,其作为新型材料,少量填充即可大幅度提高橡胶的机械性能,提高橡胶的硬度和强度,能够承受较大压力不变形开裂,同时产品摩擦力高,使产品具有高止滑性;另外,石墨烯具有良好的电热特性,绝缘性好,不导电,抗静电,对于老人或者有需要的人使用有较好的保护作用。
(2)本发明的复合材料原料中高苯乙烯橡胶采用乳液聚合技术,以高含量苯乙烯单体和丁二烯单体共聚而成。具有良好的机械性能和弹性。与天然橡胶、顺丁橡胶和丁苯橡胶等有良好的相容性。并兼具补强作用;丁基橡胶密性好,它还能耐热、耐臭氧、耐老化、耐化学药品,并有吸震、电绝缘性能;天然橡胶在常温下具有较高的弹性,稍带塑性,具有非常好的机械强度,滞后损失小,在多次变形时生热低,因此其耐屈挠性也很好,并且因为是非极性橡胶,所以电绝缘性能良好;三元乙丙橡胶是乙烯、丙烯以及非共轭二烯烃的三元共聚物,最主要的特性就是其优越的耐氧化、抗臭氧和抗侵蚀的能力;以上几种橡胶和石墨烯组成复合材料,具有机械强度好,摩擦力大,电绝缘性好,不易被侵蚀等特点。
(3)本发明的复合材料选用的交联剂为双叔丁基过氧化二异丙基苯,操作过程中及制成的制品中无刺激性臭味,在混炼时加入胶料使用,在同等交联效果情况下,添加量仅为DCP的2/3,降低了用量,更加环保;发泡剂为碳酸氢钠、N,N′-二甲硝基五次甲基四胺、偶氮二甲酰胺、二苯磺酰肼醚、对甲苯磺酰肼中的一种,储存时性质稳定,无毒,不燃,与橡胶混炼时相容性较好,同时分解产生氮气或二氧化碳,形成闭孔或联孔,收缩率小,不易变形,孔隙不易塌陷;以上助剂使用后在成品中不易渗出,且不与其他材料发生副反应,长期使用无毒无害,对环境污染影响小。
具体实施方式
下面结合具体实施例对本发明作进一步详细说明。
实施例1
本实施例提供一种适用于拐杖的高止滑性能石墨烯复合材料,所述复合材料的基本组成包括以下重量份原料:丁基橡胶30份,高苯乙烯橡胶10份,天然橡胶25份,三元乙丙胶15份,石墨烯5份,氧化锌3份,硬脂酸锌2份,硬脂酸2份,无味交联剂1份,发泡剂2份。
本实施例还提供一种适用于拐杖的高止滑性能石墨烯复合材料,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按5:2:3:100重量比混合后加热至120℃,加热至过程持续进行机械搅拌,加热至温度后维持4h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,混炼温度为120℃,混炼时间为6h,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,先在平板硫化机上在120℃,10Mpa压力下,热压30min,然后在烘箱中进行二次硫化,硫化条件为170℃,4h,190℃,3h,2100℃,2h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
实施例2
本实施例提供一种适用于拐杖的高止滑性能石墨烯复合材料,所述复合材料的基本组成包括以下重量份原料:丁基橡胶32份,高苯乙烯橡胶12份,天然橡胶28份,三元乙丙胶18份,石墨烯8份,氧化锌5份,硬脂酸锌4份,硬脂酸4份,无味交联剂1.5份,发泡剂3份。
本实施例还提供一种适用于拐杖的高止滑性能石墨烯复合材料,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按8:4:5:100重量比混合后加热至125℃,加热至过程持续进行机械搅拌,加热至温度后维持4h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,混炼温度为150℃,混炼时间为6h,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,先在平板硫化机上在130℃,10Mpa压力下,热压30min,然后在烘箱中进行二次硫化,硫化条件为175℃,54h,195℃,3h,215℃,2h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
实施例3
本实施例提供一种适用于拐杖的高止滑性能石墨烯复合材料,所述复合材料的基本组成包括以下重量份原料:丁基橡胶35份,高苯乙烯15份,天然橡胶30份,三元乙丙胶20份,石墨烯10份,氧化锌8份,硬脂酸锌5份,硬脂酸5份,无味交联剂2份,发泡剂4份。
本实施例还提供一种适用于拐杖的高止滑性能石墨烯复合材料,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按10:5:8:100重量比混合后加热至130℃,加热至过程持续进行机械搅拌,加热至温度后维持3h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,混炼温度为160℃,混炼时间为5h,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,先在平板硫化机上在140℃,9Mpa压力下,热压30min,然后在烘箱中进行二次硫化,硫化条件为175℃,3h,195℃,2.5h,215℃,2h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
实施例4
本实施例提供一种适用于拐杖的高止滑性能石墨烯复合材料,所述复合材料的基本组成包括以下重量份原料:丁基橡胶38份,高苯乙烯橡胶18份,天然橡胶32份,三元乙丙胶22份,石墨烯12份,氧化锌10份,硬脂酸锌6份,硬脂酸6份,无味交联剂2.5份,发泡剂5份。
本实施例还提供一种适用于拐杖的高止滑性能石墨烯复合材料,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按12:6:10:100重量比混合后加热至135℃,加热至过程持续进行机械搅拌,加热至温度后维持3h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,混炼温度为170℃,混炼时间为4h,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,先在平板硫化机上在150℃,9Mpa压力下,热压25min,然后在烘箱中进行二次硫化,硫化条件为180℃,2h,195℃,2h,220℃,2h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
实施例5
本实施例提供一种适用于拐杖的高止滑性能石墨烯复合材料,所述复合材料的基本组成包括以下重量份原料:丁基橡胶40份,高苯乙烯橡胶20份,天然橡胶5份,三元乙丙胶25份,石墨烯15份,氧化锌13份,硬脂酸锌8份,硬脂酸8份,无味交联剂3份,发泡剂6份。
本实施例还提供一种适用于拐杖的高止滑性能石墨烯复合材料,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按15:8:13:100重量比混合后加热至140℃,加热至过程持续进行机械搅拌,加热至温度后维持2h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,混炼温度为180℃,混炼时间为3h,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,先在平板硫化机上在160℃,8Mpa压力下,热压20min,然后在烘箱中进行二次硫化,硫化条件为180℃,2h,200℃,2h,220℃,1h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
对上述实施例1至5制得的拐杖的高止滑性能石墨烯复合材料进行力学性能够测试,测试方法如下:
(1)按照GB/T 2439-2001硫化橡胶或热塑性橡胶导电性能和耗散性能电阻率的测定进行导电性能检测。
(2)撕裂强度:根据GB 6039-85,撕裂强度的定义为:在于试样主轴平行的方向上,拉伸试样直至开裂时的最大力,按照GB529和GB530的方法准备试样,测试步骤(1)硫化后的试片(厚2.0±0.3mm)应在标准室温下停放(不少于6小时,不超过15天);(2)采取试样时,裁刀撕裂角等分线的方向与压延方向一致;(3)将试样垂直夹于上下夹持器重一定深度,并且使其在平等的位置上充分均匀夹紧;(4)调好拉伸速度(夹持器中以500±100mm/min的速度在运行)开动试验机,即可对试样施加一个逐渐增加的牵引力,直至试样被撕断后停机。
(3)拉伸强度:按照GB/T528-92硫化橡胶和热塑性橡胶拉伸性能的测定进行拉伸强度的检测。
测试结果如下:
表1测试结果
测试结果 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 |
导电性能电阻率Ω·m | 10<sup>14</sup> | 10<sup>14</sup> | 10<sup>14</sup> | 10<sup>14</sup> | 10<sup>14</sup> |
撕裂强度kN/m | 84 | 96 | 104 | 99 | 94 |
拉伸强度Mpa | 51 | 48 | 56 | 55 | 53 |
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种适用于拐杖的高止滑性能石墨烯复合材料,其特征在于,所述复合材料的基本组成包括以下重量份原料:丁基橡胶30~40份,高苯乙烯橡胶10~20份,天然橡胶25~35份,三元乙丙胶15~25份,石墨烯5~15份,氧化锌3~13份,硬脂酸锌2~8份,硬脂酸2~8份,无味交联剂1~3份,发泡剂2~6份。
2.根据权利要求1所述的一种适用于拐杖的高止滑性能石墨烯复合材料,其特征在于,所述复合材料的基本组成包括以下重量份原料:丁基橡胶35份,高苯乙烯15份,天然橡胶30份,三元乙丙胶20份,石墨烯10份,氧化锌8份,硬脂酸锌5份,硬脂酸5份,无味交联剂2份,发泡剂4份。
3.根据权利要求1所述的一种适用于拐杖的高止滑性能石墨烯复合材料,其特征在于,所述无味交联剂为双叔丁基过氧化二异丙基苯。
4.根据权利要求1所述的一种适用于拐杖的高止滑性能石墨烯复合材料,其特征在于,所述发泡剂为碳酸氢钠、N,N′-二甲硝基五次甲基四胺、偶氮二甲酰胺、二苯磺酰肼醚、对甲苯磺酰肼中的一种。
5.一种权利要求1或2所述的适用于拐杖的高止滑性能石墨烯复合材料,其特征在于,包括以下步骤:
步骤1、将石墨烯、硬脂酸、氧化锌和去离子水按5~15:2~8:3~13:100重量比混合后加热至120~140℃,加热至过程持续进行机械搅拌,加热至温度后维持2~4h进行乳液聚合;
步骤2、乳液聚合结束后维持相应温度条件下依次加入丁基橡胶、天然橡胶、高苯乙烯橡胶和三元乙丙橡胶,在混炼机中进行混炼,得到混合原胶;
步骤3、向混合原胶中加入硬脂酸锌,无味交联剂,发泡剂进行再次混炼硫化交联,即得适用于拐杖的高止滑性能石墨烯复合材料。
6.根据权利要求5所述的一种适用于拐杖的高止滑性能石墨烯复合材料的制备方法,其特征在于,步骤2中混炼温度为120~180℃,混炼时间为3~6h。
7.根据权利要求5所述的一种适用于拐杖的高止滑性能石墨烯复合材料的制备方法,其特征在于,步骤3中硫化交联时,先在平板硫化机上在120~160℃,8~10Mpa压力下,热压20~30min,然后在烘箱中进行二次硫化,硫化条件为170~180℃,2~4h,190~200℃,2~3h,210~220℃,1~2h,得到所述适用于拐杖的高止滑性能石墨烯复合材料。
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