CN106364078B - 多层复合医用夹板材料及其制备方法 - Google Patents
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Abstract
本发明涉及多层复合医用夹板材料及其制备方法,多层复合医用夹板材料由三层组成,最内层包括天然杜仲橡胶、抗菌剂和交联剂,中间层包括天然杜仲橡胶粗胶和交联剂,最外层包括天然杜仲橡胶、交联剂和钛白粉。本发明的多层复合医用夹板材料具有优良的抗菌性和机械性能,可广泛应用于医疗夹板的制作中。
Description
技术领域
本发明涉及一种医用夹板,尤其涉及多层复合医用夹板材料及其制备方法。
背景技术
医用夹板是国内外治疗骨骼损伤广泛使用的一种外固定器,传统的医用夹板是木板或者树皮,在使用过程中存在笨重、透气性差以及板间压力靠医生多年经验确定等缺陷。
发明内容
为了解决现有技术中医用夹板笨重、透气性差的问题,本发明提供一种采用天然杜仲橡胶为基体材料,具有抗菌性、重量轻、成本低、使用方便、可循环使用的多层复合医用夹板材料。
本发明的技术方案如下:
多层复合医用夹板材料,由三层组成,最内层包括天然杜仲橡胶、抗菌剂和交联剂,中间层包括天然杜仲橡胶粗胶和交联剂,最外层包括天然杜仲橡胶、交联剂和钛白粉。
优选的是:抗菌剂为天然抗菌剂,包括甲壳素、芥末、蓖麻油、山葵的至少一种。
优选的是:交联剂包括硫黄、过氧化二异丙苯、过氧化苯甲酰的至少一种。
优选的是:天然杜仲橡胶粗胶是杜仲树皮、翅果、树叶经过复合酶处理之后的产物,主要含有杜仲植物组织和杜仲胶,粗胶的含胶量约为80-95%,粗胶中植物纤维的含量为10-30%。
优选的是:钛白粉的具体参数如下:
TiO2含量≥97%;
亮度≥95%;
消色力≥100;
105℃挥发物≤0.5%;
水悬浮物pH值=6.0-8.0;
吸油量≤24g/100g;
筛余物(0.045mm筛孔)≤0.05%;
水萃取液电阻率≥60Ω·m;
金红石含量≥97%。
优选的是:天然杜仲橡胶的门尼粘度为100。
优选的是:最内层中,天然杜仲橡胶、抗菌剂、交联剂的质量份数分别为:100:0.5-5:0.2-0.8。
优选的是:中间层中,天然杜仲橡胶粗胶、交联剂的质量份数分别为:100:0.2-0.8。
优选的是:最外层中,天然杜仲橡胶、交联剂、钛白粉的质量份数分别为:100:0.2-0.8:2-5。
本发明还提供制备上述多层复合医用夹板材料的方法,分别制备三层材料,再热压,复合制成,具体步骤如下:
(1)最内层材料的制备:在开炼机中,100℃下,加入门尼粘度为100的天然杜仲胶100g、0.5-5g抗菌剂、0.2-0.8g交联剂,加工6-10分钟,下片;
(2)中间层材料的制备:在开炼机中,100℃下,加入天然杜仲粗胶100g、0.2-0.8g交联剂,加工6-10分钟,下片;
(3)最外层材料的制备:在开炼机中,100℃下,加入门尼粘度为100的天然杜仲胶100g、交联剂0.2-0.8g、钛白粉2-5g,加工6-10分钟,下片;
(4)将三层材料放置在液压机中,控制液压机压力20MPa、温度160℃,热压12分钟,放在厚度为3mm的模具中,压制片状材料;最后,在15MPa压力下室温冷压10分钟,定型,得到医用夹板材料。
传统木质板材夹板通常使用在不能弯曲的伤处,进行捆绑固定,通常适合用于直臂的伤处,且不可以重复使用。
本发明的多层复合医用夹板不仅可实用在直臂的伤处,而且可以用在弯曲的伤处和骨头连接处,并且可以重复使用。
本发明的使用方法:在60-70度热水中,软化后,在伤处用纱布捆绑即可。
附图说明
图1是实施例1的材料对大肠杆菌和金黄色葡萄球菌的抗菌性能变化图;
图2是实施例2的材料对大肠杆菌和金黄色葡萄球菌的抗菌性能变化图;
图3是实施例1的材料形状记忆性能图;
图4是实施例2的材料形状记忆性能图。
具体实施方式
以下实施例中提到的对照样是指传统木质板材夹板。
实施例1:
配方:
最内层:天然杜仲胶100g、抗菌剂3g、交联剂0.4g
中间层:天然杜仲粗胶100g、交联剂0.6g
最外层:天然杜仲胶100g、交联剂0.4g、钛白粉2g
性能:
(1)抗菌性:
实施例1产品与对照样的抗菌性比较如下:
菌数 | 大肠杆菌 | 金黄色葡萄球菌 |
对照样 | 6.7*105cfu/mL | 4.3*105cfu/mL |
实施例1 | 94cfu/mL | 92cfu/mL |
(2)物理机械性能:
实施例1产品的物理机械性能如下:
拉伸强度25MPa
撕裂强度65kN/m
100%定伸应力4.0MPa
300%定伸应力4.2MPa
断裂伸长率540%
(3)形状记忆性能:
实施例1产品的形状记忆性能如下:
形状固定率在95%,形状回复率在92%。
实施例2:
配方:
最内层:天然杜仲胶100g、抗菌剂5g、交联剂1g
中间层:天然杜仲粗胶100g、交联剂1g
最外层:天然杜仲胶100g、交联剂1g、钛白粉5g
性能:
(1)抗菌性:
(2)物理机械性能:
实施例2产品的物理机械性能如下:
拉伸强度23MPa
撕裂强度60kN/m
100%定伸应力3.8MPa
300%定伸应力4.0MPa
断裂伸长率560%
(3)形状记忆性能:
实施例2产品的形状记忆性能如下:
形状固定率在93%,形状回复率在79%。
由实施例1和实施例2可知,本发明的多层复合医用夹板材料具有优良的抗菌性和机械性能,可广泛应用于医疗夹板的制作中。
Claims (6)
1.多层复合医用夹板材料,其特征在于:由三层组成,最内层包括天然杜仲橡胶、抗菌剂和交联剂,天然杜仲橡胶、抗菌剂、交联剂的质量份数分别为:100:0.5-5:0.2-0.8;中间层包括天然杜仲橡胶粗胶和交联剂,天然杜仲橡胶粗胶、交联剂的质量份数分别为:100:0.2-0.8;最外层包括天然杜仲橡胶、交联剂和钛白粉,天然杜仲橡胶、交联剂、钛白粉的质量份数分别为:100:0.2-0.8:2-5;分别制备三层材料,再热压,复合制成,具体步骤如下:
(1)最内层材料的制备:在开炼机中,100℃下,加入天然杜仲胶、抗菌剂、交联剂,加工6-10分钟,下片;
(2)中间层材料的制备:在开炼机中,100℃下,加入天然杜仲粗胶、交联剂,加工6-10分钟,下片;
(3)最外层材料的制备:在开炼机中,100℃下,加入天然杜仲胶、交联剂、钛白粉,加工6-10分钟,下片;
(4)将三层材料按照顺序放置在液压机的模具中,控制液压机压力20MPa、温度160℃,热压12分钟,压制片状材料;最后,在15MPa压力下室温冷压10分钟,定型,得到医用夹板材料。
2.如权利要求1所述的多层复合医用夹板材料,其特征在于:抗菌剂为天然抗菌剂,包括甲壳素、芥末、蓖麻油、山葵的至少一种。
3.如权利要求1所述的多层复合医用夹板材料,其特征在于:交联剂包括硫黄、过氧化二异丙苯、过氧化苯甲酰的至少一种。
4.如权利要求1所述的多层复合医用夹板材料,其特征在于:天然杜仲橡胶粗胶中植物纤维的含量为10-30%。
5.如权利要求1所述的多层复合医用夹板材料,其特征在于:钛白粉的具体参数如下:
TiO2含量≥97%;
亮度≥95%;
消色力≥100;
105℃挥发物≤0.5%;
水悬浮物pH值=6.0-8.0;
吸油量≤24g/100g;
筛余物(0.045mm筛孔)≤0.05%;
水萃取液电阻率≥60Ω·m;
金红石含量≥97%。
6.如权利要求1所述的多层复合医用夹板材料,其特征在于:天然杜仲橡胶的门尼粘度为100。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87101407A (zh) * | 1987-11-18 | 1988-07-13 | 青岛塑料研究所 | 医用临床成型塑胶板及其制备方法 |
CN1039254A (zh) * | 1988-07-04 | 1990-01-31 | 中国科学院化学研究所 | 杜仲树胶型高弹性橡胶制品 |
CN1961976A (zh) * | 2005-11-09 | 2007-05-16 | 严晓敏 | 杜仲胶基质护支具集成材料 |
CN101513538A (zh) * | 2008-02-21 | 2009-08-26 | 严晓敏 | 一种低温可塑型集成材料及其制品 |
CN104387754A (zh) * | 2014-11-26 | 2015-03-04 | 温州科保塑料科技有限公司 | 一种热熔型医疗夹板材料及其生产工艺 |
CN105771002A (zh) * | 2016-03-01 | 2016-07-20 | 青岛第派新材有限公司 | 反式异戊橡胶医用夹板材料及其制备方法 |
-
2016
- 2016-08-25 CN CN201610724206.8A patent/CN106364078B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87101407A (zh) * | 1987-11-18 | 1988-07-13 | 青岛塑料研究所 | 医用临床成型塑胶板及其制备方法 |
CN1039254A (zh) * | 1988-07-04 | 1990-01-31 | 中国科学院化学研究所 | 杜仲树胶型高弹性橡胶制品 |
CN1961976A (zh) * | 2005-11-09 | 2007-05-16 | 严晓敏 | 杜仲胶基质护支具集成材料 |
CN101513538A (zh) * | 2008-02-21 | 2009-08-26 | 严晓敏 | 一种低温可塑型集成材料及其制品 |
CN104387754A (zh) * | 2014-11-26 | 2015-03-04 | 温州科保塑料科技有限公司 | 一种热熔型医疗夹板材料及其生产工艺 |
CN105771002A (zh) * | 2016-03-01 | 2016-07-20 | 青岛第派新材有限公司 | 反式异戊橡胶医用夹板材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
高弹性杜仲橡胶及其硫化弹性机理;严瑞芳;《弹性体》;19910930;第12-15页 * |
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