CN110330702A - 一种内衣用天然抗菌乳胶衬垫的制备方法 - Google Patents
一种内衣用天然抗菌乳胶衬垫的制备方法 Download PDFInfo
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Abstract
本发明涉及天然橡胶材料技术领域,具体为一种内衣用天然抗菌乳胶衬垫的制备方法。本发明首先将天然橡胶与水混合,向混合液中加入超分子溶剂,除去蛋白,冷冻干燥得天然乳胶;然后将壳聚糖溶于乙酸‑水混合液中,加入天然乳胶、纳米纤维素、无机填充材料、戊二醛、硅烷改性剂,反应后过滤,冷冻干燥得天然乳胶母粒;最后将天然乳胶母粒、天然抗菌剂、氧化剂、纳米二氧化硅、凿孔剂高速搅拌混合,在100‑150℃条件下加热融化后注入到磨具中,固化成型,于60‑75℃条件下保持2‑4 h,冷却,洗涤,干燥即得内衣用天然抗菌乳胶衬垫。本发明方法操作简单,制备得到的乳胶衬垫质感柔和、力学性能优异、透气性好且兼具良好的抗菌、抗氧化性能。
Description
技术领域
本发明涉及天然橡胶材料技术领域,具体为一种内衣用天然抗菌乳胶衬垫的制备方法。
背景技术
天然乳胶是从有一定树龄的橡胶树在切口割胶时流出的液体,呈乳白色。新鲜的天然乳胶主要含橡胶、蛋白质、天然树脂、糖类等。天然乳胶作为一种可再生性高分子材料,其来源丰富且价格便宜,具有防螨防菌,透气性良好,优异的成膜性、弹性和力学性能而倍受橡胶工业的青睐。目前,天然乳胶主要用于制作海绵制品、压出制品和浸渍制品。天然乳胶原料非常柔软,这使得乳胶可以作为衣服特别是内衣内村的理想材料。但是,天然乳胶营养成分多,尽管乳胶中的天然成分有一定的抗菌效果,但是抗菌效果不佳,长期使用有可能感染细菌,因此开发一种天内衣用天然抗菌乳胶具有很大的市场前景。
专利CN 108440804 A公开了一种天然乳胶胸罩衬垫材料及其制备方法,该发明直接将天然乳胶作为原料与引发剂、发泡剂、分散剂、纳米银、抗菌剂等通过高温熔化,注模的方式制得抗菌天然乳胶胸罩衬垫材料;专利CN 108623857 A公开的一种纯天然乳胶组合物和乳胶模杯及其制作方法,同样直接以天然乳胶作为原料与丝素蛋白、壳聚糖、天然抗氧化剂、天然抗菌剂混合,通过融化-筑浇-蒸馏-除味-清洗-干燥等工艺制备内衣模杯。但是,天然乳胶作蛋白含量高,制备的橡胶力学性能不佳,开发高性能的天然抗菌乳胶衬垫仍然任重道远。
发明内容
为了开发高性能的天然抗菌乳胶衬垫。本发明的提供了一种内衣用天然抗菌乳胶衬垫的制备方法。为了实现上述目标,本发明将采用以下技术:
一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于,包括以下步骤:
(1)将天然橡胶与水按1:1的体积比混合,向混合液中加入总体积3-5%的超分子溶剂,超声5-10 min后,过滤,将滤液冷冻干燥得天然乳胶;
(2)将壳聚糖溶于乙酸-水混合液中,依次向混合液中加入天然乳胶、纳米纤维素、无机填充材料、戊二醛、硅烷改性剂后,在500-800 rpm, 45-60℃条件下反应1-2h,过滤,冷冻干燥,粉碎得天然乳胶母粒;
(3)将天然乳胶母粒、天然抗菌剂、氧化剂、纳米二氧化硅、凿孔剂高速搅拌混合,在100-150 ℃条件下加热融化后注入到磨具中,固化成型后,60-75℃条件下保持2-4 h,冷却,洗涤,干燥即得内衣用天然抗菌乳胶衬垫。
进一步的,步骤(1)中所述的超分子溶剂的制备方法为:将表面活性剂溶于四氢呋喃中,得到3-5 g/mL表面活性剂溶剂,向溶液中加入10-15倍体积的水,涡旋,超声10-15min后,离心分相,取下层即为超分子溶剂。
进一步的,所述的超分子溶剂的制备方法,其特征在于所述的表面活性剂为十烷基三甲基溴化铵、十二烷基三甲基溴化铵、十烷基三乙基溴化铵、十二烷基三乙基溴化铵中的一种。
进一步的,步骤(2)中所述的乙酸-水混合液中乙酸的浓度为1-2%(v/v);所述的无机填充材料为纳米二氧化硅、纳米碳酸钙、纳米碳酸铝中的一种或多种;所述的硅烷改性剂为四烷基三乙氧基硅烷、四烷基三甲氧基硅烷、六烷基三乙氧基硅烷、八烷基三甲氧基硅烷中的一种。
进一步的,步骤(2)中所述的乙酸水溶液、天然乳胶、纳米纤维素、无机填充材料、戊二醛、硅烷改性剂按质量份数算分别为45-65份、20-40份、5-10份、3-5份、3-5份、3-5份。
进一步的,步骤(3)中所述的天然抗菌剂为:黄连醇提取物、大蒜醇提取、芦荟醇提取物按1:2-3:1的质量比混合形成。
进一步的,步骤(3)中所述的氧化剂为芦荟水提物、葡萄籽醇提取物、茶醇提取物中的一种或多种。
进一步的,步骤(3)中所述的凿孔剂为水、乙醇、乙酸乙酯中的一种或多种。
进一步的,步骤(3)中所述的天然乳胶母粒、天然抗菌剂、氧化剂、纳米二氧化硅、凿孔剂按质量份数算分别为70-85份、3-5份、2-4份、5-10份、5-8份。
与现有技术相比,本发明所述的一种内衣用天然抗菌乳胶衬垫的制备方法具有以下有益效果:本发明利用新型超分子溶剂对天然天然橡胶进行处理,除去了天然橡胶中的蛋白质,提高了天然橡胶的固化性能;以天然的壳聚糖、纤维素、无机填充材料、戊二醛等对天然乳胶进行交联,提升天然乳胶的力学性能;加入天然的抗菌剂和抗氧化剂,产品安全可靠且抗菌、抗氧化性能良好;采用凿孔剂使得制备的乳胶衬垫具有多孔的结构,保证了衬垫的良好透气性能。本发明方法操作简单,制备得到的乳胶衬垫质感柔和、力学性能优异、透气性好且兼具良好的抗菌抗氧化性能。
具体实施方式
【实施例1】
一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于,包括以下步骤:
(1)将天然橡胶与水按1:1的体积比混合,向混合液中加入总体积4%的十烷基三甲基溴化铵-四氢呋喃超分子溶剂,超声8 min后,过滤,将滤液冷冻干燥得天然乳胶;
(2)将壳聚糖溶于1.5%乙酸-水混合液中,依次向51份混合液中加入30份天然乳胶、8份纳米纤维素、4份纳米二氧化硅、4份戊二醛、3份四烷基三乙氧基硅烷后,在600 rpm, 50 ℃条件下反应1.5 h,过滤,冷冻干燥后粉碎,得天然乳胶母粒;
(3)将77份天然乳胶母粒、1份黄连醇提取物、2份大蒜醇提取、1份芦荟醇提取物、3份芦荟水提物、8份纳米二氧化硅、8份水高速搅拌混合,在110℃条件下加热融化后注入到磨具中,固化成型后,于65℃条件下保持3h,冷却,洗涤,干燥即得内衣用天然抗菌乳胶衬垫。
【实施例2】
一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于,包括以下步骤:
(1)将天然橡胶与水按1:1的体积比混合,向混合液中加入总体积3.5%的十烷基三乙基溴化铵-四氢呋喃超分子溶剂,超声10 min后,过滤,将滤液冷冻干燥得天然乳胶;
(2)将壳聚糖溶于2%乙酸-水混合液中,依次向62份混合液中加入25份天然乳胶、5份纳米纤维素、3份纳米二氧化硅、2份戊二醛、3份六烷基三乙氧基硅烷后,在650 rpm, 60 ℃条件下反应2 h,过滤,冷冻干燥后粉碎,得天然乳胶母粒;
(3)将83份天然乳胶母粒、1份黄连醇提取物、1份大蒜醇提取、1份芦荟醇提取物、4份葡萄籽醇提取物、5份纳米二氧化硅、5份乙醇高速搅拌混合,在100℃条件下加热融化后注入到磨具中,固化成型后,于60℃条件下保持2h,冷却,洗涤,干燥即得内衣用天然抗菌乳胶衬垫。
【实施例3】
一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于,包括以下步骤:
(1)将天然橡胶与水按1:1的体积比混合,向混合液中加入总体积4 %的十二烷基三甲基溴化铵-四氢呋喃超分子溶剂,超声10 min后,过滤,将滤液冷冻干燥得天然乳胶;
(2)将壳聚糖溶于2.5 %乙酸-水混合液中,依次向56份混合液中加入25份天然乳胶、8份纳米纤维素、4份纳米碳酸钙、3份戊二醛、4份六烷基三甲氧基硅烷后,在700 rpm, 65℃条件下反应3 h,过滤,冷冻干燥后粉碎,得天然乳胶母粒;
(3)将78份天然乳胶母粒、1份黄连醇提取物、1份大蒜醇提取、1份芦荟醇提取物、4份茶醇提取物、10份纳米二氧化硅、5份水高速搅拌混合,在100℃条件下加热融化后注入到磨具中,固化成型后,于65℃条件下保持3 h,冷却,洗涤,干燥即得内衣用天然抗菌乳胶衬垫。
对于本领域的普通技术人员而言,具体实施例只是对本发明进行了示例性描述,显然本发明具体实现并不受上述方式的限制,只要采用了本发明的方法构思和技术方案进行的各种非实质性的改进,或未经改进将本发明的构思和技术方案直接应用于其它场合的,均在本发明的保护范围之内。
Claims (9)
1.一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于,包括以下步骤:
(1)将天然橡胶与水按1:1的体积比混合,向混合液中加入总体积3-5%的超分子溶剂,超声5-10 min后,过滤,将滤液冷冻干燥得天然乳胶;
(2)将壳聚糖溶于乙酸-水混合液中,依次向混合液中加入天然乳胶、纳米纤维素、无机填充材料、戊二醛、硅烷改性剂后,在500-800 rpm, 45-60℃条件下反应1-2h,过滤,冷冻干燥,粉碎得天然乳胶母粒;
(3)将天然乳胶母粒、天然抗菌剂、氧化剂、纳米二氧化硅、凿孔剂高速搅拌混合,在100-150 ℃条件下加热融化后注入到磨具中,固化成型后,60-75℃条件下保持2-4 h,冷却,洗涤,干燥即得内衣用天然抗菌乳胶衬垫。
2. 根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(1)中所述的超分子溶剂的制备方法为:将表面活性剂溶于四氢呋喃中,得到3-5 g/mL表面活性剂溶剂,向溶液中加入10-15倍体积的水,涡旋,超声10-15 min后,离心分相,取下层即为超分子溶剂。
3.根据权利要求2所述的超分子溶剂的制备方法,其特征在于所述的表面活性剂为十烷基三甲基溴化铵、十二烷基三甲基溴化铵、十烷基三乙基溴化铵、十二烷基三乙基溴化铵中的一种。
4.根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(2)中所述的乙酸-水混合液中乙酸的浓度为1-2%(v/v);所述的无机填充材料为纳米二氧化硅、纳米碳酸钙、纳米碳酸铝中的一种或多种;所述的硅烷改性剂为四烷基三乙氧基硅烷、四烷基三甲氧基硅烷、六烷基三乙氧基硅烷、八烷基三甲氧基硅烷中的一种。
5.根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(2)中所述的乙酸水溶液、天然乳胶、纳米纤维素、无机填充材料、戊二醛、硅烷改性剂按质量份数算分别为45-65份、20-40份、5-10份、3-5份、3-5份、3-5份。
6.根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(3)中所述的天然抗菌剂为:黄连醇提取物、大蒜醇提取、芦荟醇提取物按1:2-3:1的质量比混合形成。
7.根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(3)中所述的氧化剂为芦荟水提物、葡萄籽醇提取物、茶醇提取物中的一种或多种。
8.根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(3)中所述的凿孔剂为水、乙醇、乙酸乙酯中的一种或多种。
9.根据权利要求1所述的一种内衣用天然抗菌乳胶衬垫的制备方法,其特征在于步骤(3)中所述的天然乳胶母粒、天然抗菌剂、氧化剂、纳米二氧化硅、凿孔剂按质量份数算分别为70-85份、3-5份、2-4份、5-10份、5-8份。
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