CN110859700A - 一种医用退热贴及其制备方法 - Google Patents

一种医用退热贴及其制备方法 Download PDF

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CN110859700A
CN110859700A CN201911196887.5A CN201911196887A CN110859700A CN 110859700 A CN110859700 A CN 110859700A CN 201911196887 A CN201911196887 A CN 201911196887A CN 110859700 A CN110859700 A CN 110859700A
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高朝彬
牛伟
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TAIHE PHARMACEUTICAL CO Ltd GUIZHOU
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Abstract

本发明涉及医药品加工技术领域,具体涉及一种医用退热贴及其制备方法。所述医用退热贴包括底部无纺布基材,与无纺布基材紧密贴接的软塑料薄膜,和置于软塑料薄膜上的药用凝胶层组成;所述药用凝胶层包括油相和水相,油相包括甘油850~1500份、蓖麻油15~75份、聚丙烯酸钠2~15份、CMC 2~10份、甘羟铝1~12份、EDTA 1~13份、乙二胺四乙酸1~9份、钛白粉1~8份;水相包括纯化水100~1000份、酒石酸15~85份、防腐剂1~15份、柠檬黄/亮蓝溶液3~10份;成品医用退热贴的凝胶层质地分散均匀,与皮肤粘结性好,对皮肤刺激性弱,且带有淡淡的玫瑰花清香,贴在皮肤上后不会闻到刺激性气味;同时,在相对分子质量为8800~10000的聚丙烯酸钠的分散作用下,胶凝层分散均匀,能长时间的持续退热。

Description

一种医用退热贴及其制备方法
技术领域
本发明涉及医药品加工技术领域,具体涉及一种医用退热贴及其制备方法。
背景技术
当“致热源”在人体内出现时,往往会引发人体发热,从本质而言,发热其实是身体具有抵抗力的表现,其过程是白细胞清楚致病因子的一场战斗。当发烧高于39℃时,除保持病人休息外,还要及时将病人提问将至安全范围内,避免引发集体功能性紊乱,导致病情加重。尤其是针对免疫力较差的儿童,在找到致病原因钱,应采用物理降温,而不是强行使用退烧药进行治疗,以免掩盖病因,错失最佳治疗时机。
常用物理降温的方法有冰敷法、酒精擦拭法、粘贴退热贴等,但冰敷法的可持续降温时间有限,与患处的贴合度不够,再加上舒适度不够,导致很难用于儿童和婴幼儿;酒精擦拭法虽然降温效果明显,但对皮肤刺激性强,容易对婴幼儿健康造成损害;退热贴属于日常最常用的物理降温方法,但市售退热贴的含水量较大,散热效果较差,粘贴不牢,另外大部分市售退热贴仅有降温作用,无任何治疗作用,且退热贴退热持续时间短,效果没有预期的那么明显。
发明内容
为了解决上述问题,提高退热贴的退热效果,削弱现有退热贴对身体的刺激作用,本发明提供了一种医用退热贴及其制备方法。
本发明是通过以下技术方案实现的:
一种医用退热贴,包括底部无纺布基材,与无纺布基材紧密贴接的软塑料薄膜,和置于软塑料薄膜上的药用凝胶层组成;
所述药用凝胶包括油相和水相;
其中,所述油相包括以下重量份原料:
甘油850~1500份、蓖麻油15~75份、聚丙烯酸钠2~15份、CMC2~10份、甘羟铝1~12份、EDTA1~13份、乙二胺四乙酸1~9份、钛白粉1~8份;
所述水相包括以下重量份原料:
纯化水100~1000份、酒石酸15~85份、防腐剂1~15份、柠檬黄/亮蓝溶液3~10份。
优选的,所述油相还包括添加相3~7份,所述添加相包括生石膏2~8份、青蒿1~3份、荨麻干粉1~3份、烤烟灰1~5份、玫瑰花精油1~2份。所述添加相中的玫瑰花精油能增大成品退热贴的清香味,中和掉油相中的刺激性气味;所述烤烟灰、青蒿、石膏、荨麻几种中药材混合施用,赋予成品医用退热贴清热解毒、清心开窍之效。
优选的,所述聚丙烯酸钠的相对分子质量为8800~10000,当聚丙烯酸钠的相对分子质量在8000~10000时,其分散性能最佳,能保证医用退热贴的凝胶层分散均匀,对药效成分具有高效的分散缓释作用,延长医用退热贴的持续退热时间,且药效温和,对患者刺激作用低。
一种医用退热贴的制备方法,包括以下步骤:
a、水相配制:取所需重量份的纯化水,拌入柠檬黄/亮蓝溶液,混拌均匀后混入所需重量份的酒石酸和防腐剂,于300~400r/min的搅速下匀速搅拌15~30min,制得水相备用;
b、油相配制:分别取所需重量份的聚丙烯酸钠、CMC、甘羟铝、EDTA、和钛白粉,分别研磨过325目筛网,混拌均匀后,制得固料备用;
再称取所需重量份的甘油置于打蛋机料斗中,加入所需重量份的蓖麻油,混匀后加入备用固料和所需重量份的添加相,搅拌均匀,于200~300r/min的搅速下中速搅拌5min,再于780~860r/min的搅速下高速搅拌20~30min,研磨制浆过200目筛网,制得油相备用;
c、配制药用凝胶:取上述备用油相倒入搅拌器中,密闭搅拌器,于2500~3500r/min的搅速下持续搅拌10~15min,从投料孔中泵入备用水相,密闭搅拌器,于2500~3500r/min的搅速下持续真空搅拌15~20min,排出气泡,出料,制得药用凝胶;
d、涂胶:于完好清洁的涂布机上,将软塑料薄膜紧密贴合在无纺布基材上方,铺平;再将药用凝胶倒入涂布机料斗中,启动设备,将药用凝胶均匀涂抹在软塑料薄膜上方,控制涂抹厚度均匀一致,且凝胶厚度控制在1~1.5mm,切成重8.5~14.0g的片状,制得初品医用退热贴;
e、静养:取上述初品药用退热贴置于千层盘中,放置于千层架上,并选用PE待密封装有千层盘的千层架,于温度25~28℃、湿度60~65%的条件下静养3~5d;
f、挑选包装:上述静养结束,待初品医用图热帖脱模固化后,再次刮边、剪修成长103~107mm、宽43~47㎜的小片,破除气泡,再次检查小片质量是否在8.0~12g之内,若否,作废品处理;若是,进行成品检测,检测合格后即得成品医用退热贴,装入不锈钢盘中,置于聚乙烯袋中,密封储存。
优选的,所述真空搅拌压力为-0.7~1.5Mpa。
优选的,所述成品检测方法如下:
控制成品医用退热贴的药用凝胶层初黏力≥4号钢球的初黏力,水分≥45%,且控制药用凝胶层为蓝绿色至黄绿色黏性胶体,成品医用退热贴片周边整齐、无脱落,隔离保护膜与凝胶层黏结完好,胶体具清香味。
本发明的有益效果是:
与现有技术相比,本发明制备的成品医用退热贴的凝胶层质地分散均匀,与皮肤粘结性好,对皮肤刺激性弱,且带有淡淡的玫瑰花清香,贴在皮肤上后不会闻到刺激性气味;同时,在相对分子质量为8800~10000的聚丙烯酸钠的分散作用下,胶凝层分散均匀,能长时间的持续退热;
除此之外,所述油相中还包括添加相,所述烤烟灰、青蒿、石膏、荨麻几种中药材混合施用,赋予成品医用退热贴清热解毒、清心开窍等功效。
具体实施方式
下面结合具体实施方式对本发明进一步作详细的说明,但本发明提供的技术方案不仅包括实施例中展现的内容。
实施例1
本实施例提供了一种医用退热贴及其制备方法,所述医用退热贴包括底部无纺布基材,与无纺布基材紧密贴接的软塑料薄膜,和置于软塑料薄膜上的药用凝胶层组成;
所述药用凝胶包括油相和水相;
其中,所述油相包括以下重量份原料:
甘油850份、蓖麻油75份、聚丙烯酸钠2份、CMC 10份、甘羟铝1份、EDTA 4份、乙二胺四乙酸5份、钛白粉3份、添加相7份;
所述添加相包括生石膏2、青蒿3份、荨麻干粉1份、烤烟灰5份、玫瑰花精油1份;所述添加相中的玫瑰花精油能增大成品退热贴的清香味,中和掉油相中的刺激性气味;所述烤烟灰、青蒿、石膏、荨麻几种中药材混合施用,赋予成品医用退热贴清热解毒、清心开窍之效
所述水相包括以下重量份原料:
纯化水100份、酒石酸35份、防腐剂2份、柠檬黄/亮蓝溶液4份。
其中,所述聚丙烯酸钠的相对分子质量为8800,当聚丙烯酸钠的相对分子质量在8000至10000之间时,其分散性能最佳,能保证医用退热贴的凝胶层分散均匀,对药效成分具有高效的分散缓释作用,延长医用退热贴的持续退热时间,且药效温和,对患者刺激作用低。
在本实施例中,所述医用退热贴的制备方法如下:
a、水相配制:取所需重量份的纯化水,拌入柠檬黄/亮蓝溶液,混拌均匀后混入所需重量份的酒石酸和防腐剂,于400r/min的搅速下匀速搅拌15min,制得水相备用;
b、油相配制:分别取所需重量份的聚丙烯酸钠、CMC、甘羟铝、EDTA、和钛白粉,分别研磨过325目筛网,混拌均匀后,制得固料备用;
再称取所需重量份的甘油置于打蛋机料斗中,加入所需重量份的蓖麻油,混匀后加入备用固料和所需重量份的添加相,搅拌均匀,于300r/min的搅速下中速搅拌5min,再于780r/min的搅速下高速搅拌30min,研磨制浆过200目筛网,制得油相备用;
c、配制药用凝胶:取上述备用油相倒入搅拌器中,密闭搅拌器,于2500r/min的搅速下持续搅拌15min,从投料孔中泵入备用水相,密闭搅拌器,于搅速2500r/min、压力-0.7Mpa的条件下持续真空搅拌20min,排出气泡,出料,制得药用凝胶;
d、涂胶:于完好清洁的涂布机上,将软塑料薄膜紧密贴合在无纺布基材上方,铺平;再将药用凝胶倒入涂布机料斗中,启动设备,将药用凝胶均匀涂抹在软塑料薄膜上方,控制涂抹厚度均匀一致,且凝胶厚度控制在1mm,切成重11g左右的片状,制得初品医用退热贴;
e、静养:取上述初品药用退热贴置于千层盘中,放置于千层架上,并选用PE待密封装有千层盘的千层架,于温度25℃、湿度65%的条件下静养3d;
f、挑选包装:上述静养结束,待初品医用图热帖脱模固化后,再次刮边、剪修成长103mm、宽43㎜的小片,破除气泡,再次检查小片质量是否在8.0至12g之内,若否,作废品处理;若是,进行成品检测,控制成品医用退热贴的药用凝胶层初黏力不低于4号钢球的初黏力,水分不低于45%,且控制药用凝胶层为蓝绿色至黄绿色黏性胶体,成品医用退热贴片周边整齐、无脱落,隔离保护膜与凝胶层黏结完好,胶体具清香味,检测合格后即得成品医用退热贴,装入不锈钢盘中,置于聚乙烯袋中,密封储存。
实施例2
本实施例提供了一种医用退热贴及其制备方法,所述医用退热贴包括底部无纺布基材,与无纺布基材紧密贴接的软塑料薄膜,和置于软塑料薄膜上的药用凝胶层组成;
所述药用凝胶包括油相和水相;
其中,所述油相包括以下重量份原料:
甘油1500份、蓖麻油15份、聚丙烯酸钠15份、CMC 2份、甘羟铝12份、EDTA 1份、乙二胺四乙酸9份、钛白粉3份、添加相3份;
所述添加相包括生石膏8份、青蒿1份、荨麻干粉3份、烤烟灰1份、玫瑰花精油2份,所述添加相中的玫瑰花精油能增大成品退热贴的清香味,中和掉油相中的刺激性气味;所述烤烟灰、青蒿、石膏、荨麻几种中药材混合施用,赋予成品医用退热贴清热解毒、清心开窍之效;
所述水相包括以下重量份原料:
纯化水1000份、酒石酸15份、防腐剂1份、柠檬黄/亮蓝溶液3份。
其中,所述聚丙烯酸钠的相对分子质量为10000,当聚丙烯酸钠的相对分子质量在10000时,其分散性能最佳,能保证医用退热贴的凝胶层分散均匀,对药效成分具有高效的分散缓释作用,延长医用退热贴的持续退热时间,且药效温和,对患者刺激作用低。
在本实施例中,所述医用退热贴的制备方法如下:
a、水相配制:取所需重量份的纯化水,拌入柠檬黄/亮蓝溶液,混拌均匀后混入所需重量份的酒石酸和防腐剂,于300r/min的搅速下匀速搅拌30min,制得水相备用;
b、油相配制:分别取所需重量份的聚丙烯酸钠、CMC、甘羟铝、EDTA、和钛白粉,分别研磨过325目筛网,混拌均匀后,制得固料备用;
再称取所需重量份的甘油置于打蛋机料斗中,加入所需重量份的蓖麻油,混匀后加入备用固料和所需重量份的添加相,搅拌均匀,于200r/min的搅速下中速搅拌5min,再于860r/min的搅速下高速搅拌20min,研磨制浆过200目筛网,制得油相备用;
c、配制药用凝胶:取上述备用油相倒入搅拌器中,密闭搅拌器,于3500r/min的搅速下持续搅拌10min,从投料孔中泵入备用水相,密闭搅拌器,于搅速3500r/min、压力1.5Mpa的条件下持续真空搅拌15min,排出气泡,出料,制得药用凝胶;
d、涂胶:于完好清洁的涂布机上,将软塑料薄膜紧密贴合在无纺布基材上方,铺平;再将药用凝胶倒入涂布机料斗中,启动设备,将药用凝胶均匀涂抹在软塑料薄膜上方,控制涂抹厚度均匀一致,且凝胶厚度控制在1.5mm,切成重14.0g的片状,制得初品医用退热贴;
e、静养:取上述初品药用退热贴置于千层盘中,放置于千层架上,并选用PE待密封装有千层盘的千层架,于温度28℃、湿度60%的条件下静养5d;
f、挑选包装:上述静养结束,待初品医用图热帖脱模固化后,再次刮边、剪修成长107mm、宽47㎜的小片,破除气泡,再次检查小片质量是否在8.0至12g之内,若否,作废品处理;若是,进行成品检测,控制成品医用退热贴的药用凝胶层初黏力大于4号钢球的初黏力,水分为55%左右,且控制药用凝胶层为蓝绿色至黄绿色黏性胶体,成品医用退热贴片周边整齐、无脱落,隔离保护膜与凝胶层黏结完好,胶体具清香味检,测合格后即得成品医用退热贴,装入不锈钢盘中,置于聚乙烯袋中,密封储存。
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,任何未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何修改、等同变化与修饰,均仍属于本发明技术方案的范围内。

Claims (6)

1.一种医用退热贴,其特征在于,包括底部无纺布基材,与无纺布基材紧密贴接的软塑料薄膜,和置于软塑料薄膜上的药用凝胶层组成;
所述药用凝胶层包括油相和水相;
其中,所述油相包括以下重量份原料:
甘油850~1500份、蓖麻油15~75份、聚丙烯酸钠2~15份、CMC2~10份、甘羟铝1~12份、EDTA1~13份、乙二胺四乙酸1~9份、钛白粉1~8份;
所述水相包括以下重量份原料:
纯化水100~1000份、酒石酸15~85份、防腐剂1~15份、柠檬黄/亮蓝溶液3~10份。
2.根据权利要求1所述的一种医用退热贴,其特征在于,所述油相还包括添加相3~7份,所述添加相包括生石膏2~8份、青蒿1~3份、荨麻干粉1~3份、烤烟灰1~5份、玫瑰花精油1~2份。
3.根据权利要求1所述一种医用退热贴,其特征在于,所述聚丙烯酸钠的相对分子质量为8800~10000。
4.一种医用退热贴的制备方法,其特征在于,包括以下步骤:
a、水相配制:取所需重量份的纯化水,拌入柠檬黄/亮蓝溶液,混拌均匀后混入所需重量份的酒石酸和防腐剂,于300~400r/min的搅速下匀速搅拌15~30min,制得水相备用;
b、油相配制:分别取所需重量份的聚丙烯酸钠、CMC、甘羟铝、EDTA、和钛白粉,分别研磨过325目筛网,混拌均匀后,制得固料备用;
再称取所需重量份的甘油置于打蛋机料斗中,加入所需重量份的蓖麻油,混匀后加入备用固料和所需重量份的添加相,搅拌均匀,于200~300r/min的搅速下中速搅拌5min,再于780~860r/min的搅速下高速搅拌20~30min,研磨制浆过200目筛网,制得油相备用;
c、配制药用凝胶:取上述备用油相倒入搅拌器中,密闭搅拌器,于2500~3500r/min的搅速下持续搅拌10~15min,从投料孔中泵入备用水相,密闭搅拌器,于2500~3500r/min的搅速下持续真空搅拌15~20min,排出气泡,出料,制得药用凝胶;
d、涂胶:于完好清洁的涂布机上,将软塑料薄膜紧密贴合在无纺布基材上方,铺平;再将药用凝胶倒入涂布机料斗中,启动设备,将药用凝胶均匀涂抹在软塑料薄膜上方,控制涂抹厚度均匀一致,且凝胶厚度控制在1~1.5mm,切成重8.5~14.0g的片状,制得初品医用退热贴;
e、静养:取上述初品药用退热贴置于千层盘中,放置于千层架上,并选用PE待密封装有千层盘的千层架,于温度25~28℃、湿度60~65%的条件下静养3~5d;
f、挑选包装:上述静养结束,待初品医用图热帖脱模固化后,再次刮边、剪修成长103~107mm、宽43~47㎜的小片,破除气泡,再次检查小片质量是否在8.0~12g之内,若否,作废品处理;若是,进行成品检测,检测合格后即得成品医用退热贴,装入不锈钢盘中,置于聚乙烯袋中,密封储存。
5.根据权利要求4所述的一种医用退热贴的制备方法,其特征在于,所述真空搅拌压力为-0.7~1.5Mpa。
6.根据权利要求4所述的一种医用退热贴的制备方法,其特征在于,所述成品检测方法如下:
控制成品医用退热贴的药用凝胶层初黏力≥4号钢球的初黏力,水分≥45%,且控制药用凝胶层为蓝绿色至黄绿色黏性胶体。
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