技术领域technical field
本发明涉及退热贴技术领域，尤其涉及一种透明PU复合布的热敏可逆变色退热贴。The invention relates to the technical field of antipyretic stickers, in particular to a heat-sensitive reversible discoloration and antipyretic sticker of transparent PU composite cloth.
背景技术Background technique
退热贴凭借其实用性和方便性，被越来越多的人接受。退热贴属于物理降温用品，主要是由于其内含有高分子水凝胶可将热量集中到胶状物，通过凝胶中水分快速蒸发带走体内的热量，被广泛用于小儿发烧退热、消夏及高温作业等情况。Antipyretic patches are accepted by more and more people by virtue of their practicability and convenience. Antipyretic plaster is a physical cooling product, mainly because it contains polymer hydrogel that can concentrate heat into the jelly, and quickly evaporate the water in the gel to take away the heat in the body. It is widely used in children with fever, fever, Suitable for summer and high temperature operation.
退热贴的优点：Advantages of cooling stickers:
1.传统退烧药是通过口服胃部吸收后，调节人体内生理机能来达到降温目的，药物成分会到达体内五脏六腑；而退热贴是外贴剂，贴在体表部位，完全是外在的物理降温方式，达到零副作用的效果，避免了肝脏的首过效应；1. Traditional antipyretics are absorbed by the stomach after being taken orally, and then regulate the physiological functions of the human body to achieve the purpose of cooling down. The unique physical cooling method achieves the effect of zero side effects and avoids the first-pass effect of the liver;
2.避免注射时的疼痛；2. Avoid pain during injection;
3.患者可自行用药，使用方便；3. Patients can self-medicate, which is convenient to use;
4.减少了给药的次数和剂量。4. Reduced the frequency and dose of administration.
目前市场的变色退热贴：一种是带体温卡的，体温变化看的不明显，卡显示的温度很难看清楚；还有一种虽然是水凝胶变色，但基布采用的是100克的水刺无纺布，这种水刺布很厚，不透明，水凝胶变色很难通过退热贴外表观察到，影响人们的日常使用和观测。The current discoloration and antipyretic stickers on the market: one is with a temperature card, the temperature change is not obvious, and the temperature displayed on the card is difficult to see clearly; there is also a hydrogel discoloration, but the base fabric is 100 grams Spunlace non-woven fabric, this kind of spunlace fabric is very thick and opaque, and the discoloration of the hydrogel is difficult to observe through the surface of the antipyretic patch, which affects people's daily use and observation.
本发明的透明变色退热贴采用的透明PU复合布，这种PU膜复合层很薄很透明，而复合的仿粘法无纺布层克重也很轻，透明度也很好，复合后的布克重仅有20-40克，仍然很透明，水凝胶层颜色的变化可以非常清晰的观察到。The transparent PU composite cloth used in the transparent color-changing antipyretic sticker of the present invention is very thin and transparent, and the composite imitation-adhesive non-woven fabric layer is also very light in weight and good in transparency. The weight of the book is only 20-40 grams, and it is still very transparent, and the color change of the hydrogel layer can be observed very clearly.
发明内容Contents of the invention
本发明提出了一种透明PU复合布的热敏可逆变色退热贴，以解决上述背景技术中提出的问题。The present invention proposes a heat-sensitive reversible discoloration and antipyretic sticker of transparent PU composite cloth to solve the problems raised in the above-mentioned background technology.
本发明提出了一种透明PU复合布的热敏可逆变色退热贴，其特征在于，所述透明PU复合布的热敏可逆变色退热贴由PU膜复合层、热敏可逆变色水凝胶层和防粘膜依次粘合构成；The invention proposes a thermosensitive reversible discoloration and antipyretic sticker for transparent PU composite cloth, which is characterized in that the thermosensitive reversible discoloration and antipyretic sticker for transparent PU composite cloth is composed of PU film composite layer, thermosensitive reversible The reverse color hydrogel layer and the anti-adhesive film are sequentially bonded to form;
所述PU膜复合层包括仿粘法无纺布层和PU薄膜层，仿粘法无纺布层和PU薄膜层相互粘合连接。The PU film composite layer comprises an imitation-adhesive non-woven fabric layer and a PU film layer, and the imitation-adhesive non-woven fabric layer and the PU film layer are bonded and connected to each other.
进一步地，所述仿粘法无纺布层的上表面沿其边缘固定安装有第一密封条，PU膜复合层的中部设有与热敏可逆变色水凝胶层配合的第一安装槽；Further, the upper surface of the imitation adhesive non-woven fabric layer is fixedly installed with a first sealing strip along its edge, and the middle part of the PU film composite layer is provided with a first mounting strip that cooperates with the thermosensitive reversible discoloration hydrogel layer. groove;
所述第一安装槽的内壁上粘合有竹炭干燥层，竹炭干燥层上设有多个长条形通孔，热敏可逆变色水凝胶层的下端粘合在竹炭干燥层上；The inner wall of the first installation groove is bonded with a bamboo charcoal drying layer, and the bamboo charcoal drying layer is provided with a plurality of elongated through holes, and the lower end of the thermosensitive reversible discoloration hydrogel layer is bonded on the bamboo charcoal drying layer;
所述防粘膜的下表面沿其边缘设有第二密封条，第二密封条与第一密封条相互配合，防粘膜的中部设有第二安装槽，热敏可逆变色水凝胶层的上端处于第二安装槽内。The lower surface of the anti-adhesive film is provided with a second sealing strip along its edge, the second sealing strip cooperates with the first sealing strip, the middle part of the anti-adhesive film is provided with a second installation groove, and the thermosensitive reversible discoloration hydrogel layer The upper end is in the second installation groove.
进一步地，所述第一密封条和第二密封条均为环形结构。Further, both the first sealing strip and the second sealing strip are ring structures.
进一步地，所述防粘膜为PP压花膜。Further, the release film is a PP embossed film.
进一步地，所述热敏可逆变色水凝胶层由油相和水相配制而成。Further, the thermosensitive reversible discoloration hydrogel layer is prepared from oil phase and water phase.
进一步地，所述热敏可逆变色水凝胶层的油相的配方如下：Further, the formula of the oil phase of the thermosensitive reversible discoloration hydrogel layer is as follows:
一种透明PU复合布的热敏可逆变色退热贴的工艺，所述热敏可逆变色水凝胶层的水相的配方如下：A process for heat-sensitive reversible discoloration and antipyretic stickers of transparent PU composite cloth, the formula of the water phase of the heat-sensitive reversible discoloration hydrogel layer is as follows:
薄荷类清凉剂30-60克(包括薄荷脑、薄荷脂、薄荷醇等)30-60 grams of mint cooling agents (including menthol, mint butter, menthol, etc.)
一种透明PU复合布的热敏可逆变色退热贴的制作工艺，包括如下步骤：A manufacturing process of a thermosensitive reversible discoloration and antipyretic sticker of a transparent PU composite cloth, comprising the following steps:
步骤一、将仿粘法无纺布层(克重10-30/平方米)涂布粘合剂，然后与透气或高透气PU薄膜(克重10-20克/平方米)进行复合，制成PU膜复合层，克重在20-40克/平方米；Step 1. Coat the imitation bonded non-woven fabric layer (gram weight 10-30/square meter) with adhesive, and then compound it with breathable or highly breathable PU film (gram weight 10-20 grams/square meter) to produce Form a PU film composite layer, with a weight of 20-40 grams per square meter;
步骤二、将第一密封条粘合固定在仿粘法无纺布层上，将第二密封条粘合固定在防粘膜上；Step 2, bonding and fixing the first sealing strip on the imitation adhesive non-woven fabric layer, bonding and fixing the second sealing strip on the anti-adhesive film;
步骤三、将竹炭干燥层黏贴在步骤一所得的PU膜复合层内；Step 3, paste the dried bamboo charcoal layer in the PU film composite layer obtained in step 1;
步骤四、配制聚丙烯酸钠水凝胶变色料，操作如下：Step 4, prepare sodium polyacrylate hydrogel discoloration material, the operation is as follows:
S1、油相配置：先把所有的原料按配方称好，然后把甘油加入锅中，再加入称好的NS8800、甘羟铝、二钠盐、CMC于锅中，用搅拌器按压粉料，让甘油浸润粉末，以免搅拌时粉末飞溅，再将锅和搅拌器安装好，低速搅1分钟，搅拌转速为30-35r/min，中速搅8分钟，60-65r/min，让甘油与粉末充分搅拌均匀；S1. Oil phase configuration: first weigh all the raw materials according to the formula, then add glycerin into the pot, then add the weighed NS8800, aluminum glycylate, disodium salt, and CMC into the pot, press the powder with a stirrer, Let the glycerin infiltrate the powder to prevent the powder from splashing during stirring, then install the pot and the stirrer, stir for 1 minute at low speed, the stirring speed is 30-35r/min, stir for 8 minutes at medium speed, 60-65r/min, let the glycerin and powder Stir well;
S2、水相配置：将K90按配方加入配料桶中，再按配方加入纯净水，搅拌均匀，直至在水中看不到粘状物，再将称好的酒石酸、防腐剂、变色树脂倒入水中搅拌均匀；S2. Water phase configuration: Add K90 into the batching bucket according to the formula, then add pure water according to the formula, stir evenly until no sticky matter can be seen in the water, then pour the weighed tartaric acid, preservative, and color-changing resin into the water Stir well;
S3、真空搅拌：将油相和水相依次倒入真空搅拌罐中，再将薄荷类清凉剂放入到真空搅拌罐中，然后再抽真空到-90mpa，然后快搅2-3分钟，搅拌转速为75-77r/min，再慢搅6-5分钟即可，搅拌转速为40-45r/min；S3. Vacuum stirring: Pour the oil phase and water phase into the vacuum mixing tank in turn, then put the mint-type cooling agent into the vacuum mixing tank, then vacuumize to -90mpa, then stir for 2-3 minutes, stir The rotation speed is 75-77r/min, then stir slowly for 6-5 minutes, and the stirring speed is 40-45r/min;
步骤五、涂布：将步骤四制得的水凝胶变色料涂布于步骤二制得的竹炭干燥层上，形成热敏可逆变色水凝胶层，然后复上防粘膜，制成成品。Step 5, coating: apply the hydrogel discoloration material obtained in step 4 on the dry bamboo charcoal layer obtained in step 2 to form a heat-sensitive reversible discoloration hydrogel layer, and then apply an anti-adhesive film to form finished product.
步骤六、固化：将步骤五得到的成品放置在固化室进行固化，直至固化好取出；Step 6, curing: place the finished product obtained in step 5 in the curing room for curing until it is cured and taken out;
步骤七、包装：将防粘膜上的第二密封条与PU膜复合层上的第一密封条相互配合密封，再进行装袋包装。Step 7. Packaging: Cooperate and seal the second sealing strip on the anti-adhesive film and the first sealing strip on the PU film composite layer, and then carry out bagging and packaging.
本发明的有益效果：Beneficial effects of the present invention:
本发明的PU膜复合层采用的是透明PU复合布，这种PU膜复合层很薄很透明，而复合的仿粘法无纺布层克重也很轻，透明度也很好，复合后的布克重仅有20-40克，仍然很透明，水凝胶层颜色的变化可以非常清晰的观察到。What the PU film composite layer of the present invention adopts is transparent PU composite cloth, and this PU film composite layer is very thin and transparent, and the gram weight of the composite imitation-adhesive non-woven fabric layer is also very light, and the transparency is also very good. The weight of the book is only 20-40 grams, and it is still very transparent, and the color change of the hydrogel layer can be observed very clearly.
本发明配方制成的热敏可逆变色水凝胶层为聚丙烯酸钠水凝胶变色树脂，是一种部分中和的聚丙烯酸钠高分子材料，这种高分子材料具有很高的吸水性，吸水后形成的凝胶退热贴，含有很高的水份，可以吸收人体热量，散发热量，从而使降温作用；他内含了一类具有特殊化学结构的有机发色体系，在特定温度下因电子转移使该有机物的分子结构发生变化，从而实现颜色转变。这种变色物质不仅颜色鲜艳，而且可以实现从“有色-无色”状态的颜色变化,这是重金属复盐络合物型和液晶型可逆感温变色物质所不具备的。The heat-sensitive reversible discoloration hydrogel layer made of the formula of the present invention is sodium polyacrylate hydrogel discoloration resin, which is a partially neutralized sodium polyacrylate polymer material, and this polymer material has high water absorption Sex, the gel cooling patch formed after absorbing water contains high water content, which can absorb the heat of the human body and emit heat, so as to make the cooling effect; it contains a kind of organic hair color system with a special chemical structure. The molecular structure of the organic substance changes due to electron transfer at temperature, thereby realizing color transformation. This color-changing substance is not only bright in color, but also can realize color change from "colored to colorless" state, which is not available in heavy metal double salt complex type and liquid crystal type reversible thermochromic substances.
本发明通过在PU膜复合层上设置的第一密封条槽和第一密封条与防粘膜上设置的第二密封条和第二密封条槽依次配合，形成密封状，将热敏可逆变色水凝胶层包覆在PU膜复合层和防粘膜之间，当外部的包装袋受到挤压损坏时，用于保护防粘膜受到外力产生移动，使热敏可逆变色水凝胶层暴露在外部，受到外部的污染。In the present invention, the first sealing strip groove and the first sealing strip arranged on the PU film composite layer cooperate with the second sealing strip and the second sealing strip groove arranged on the anti-adhesive film in sequence to form a sealed shape, and the thermosensitive reversible The color hydrogel layer is wrapped between the PU film composite layer and the anti-adhesive film. When the outer packaging bag is squeezed and damaged, it is used to protect the anti-adhesive film from being moved by external force, so that the thermosensitive reversible color hydrogel layer Exposed to the outside, polluted by the outside.
本发明通过在第一安装槽的内壁上粘合有竹炭干燥层，热敏可逆变色水凝胶层的下端粘合在竹炭干燥层上，使热敏可逆变色水凝胶层紧密固定在竹炭干燥层上，防止外部的水汽透过PU膜复合层进入热敏可逆变色水凝胶层，且由于在竹炭干燥层上设置长条形通孔，使其在使用过程中具有透气性，便于观看热敏可逆变色水凝胶层的颜色变化。In the present invention, a bamboo charcoal drying layer is adhered on the inner wall of the first installation groove, and the lower end of the thermosensitive reversible discoloration hydrogel layer is adhered to the bamboo charcoal drying layer, so that the thermosensitive reversible discoloration hydrogel layer is tightly It is fixed on the bamboo charcoal drying layer to prevent external water vapor from entering the heat-sensitive reversible discoloration hydrogel layer through the PU film composite layer. Breathability for easy viewing of the color change of the thermally sensitive reversible discoloration hydrogel layer.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.
图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明的分解结构示意图；Fig. 2 is a schematic diagram of an exploded structure of the present invention;
附图中，各标号所代表的部件列表如下：In the accompanying drawings, the list of parts represented by each label is as follows:
1-PU膜复合层，2-热敏可逆变色水凝胶层，3-防粘膜，11-仿粘法无纺布层，12-PU薄膜层，13-第一密封条，14-第一安装槽，31-第二密封条，32-第二安装槽，41-长条形通孔。1-PU film composite layer, 2-thermosensitive reversible color hydrogel layer, 3-anti-adhesive film, 11-imitation adhesive non-woven fabric layer, 12-PU film layer, 13-first sealing strip, 14- The first installation groove, 31-the second sealing strip, 32-the second installation groove, 41-the elongated through hole.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
在本发明的描述中，需要理解的是，术语“上端”、“上”、“下”、“沿”、“周边”、“表面”等指示方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的组件或元件必须具有特定的方位，以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that the terms "upper end", "upper", "lower", "along", "perimeter", "surface" and the like indicate orientation or positional relationship, and are only for the convenience of describing the present invention and simplified descriptions, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.
请一并参阅图1和图2所示，一种透明PU复合布的热敏可逆变色退热贴，透明PU复合布的热敏可逆变色退热贴由PU膜复合层1、热敏可逆变色水凝胶层2和防粘膜3依次粘合构成；Please refer to Figure 1 and Figure 2 together, a heat-sensitive reversible discoloration and heat-reducing sticker for transparent PU composite cloth. The heat-sensitive reversible discoloration and heat-reducing sticker for transparent PU composite cloth consists of PU film composite layer The thermosensitive reversible hydrogel layer 2 and the anti-adhesive film 3 are sequentially bonded to form;
PU膜复合层1包括仿粘法无纺布层11和PU薄膜层12，仿粘法无纺布层11和PU薄膜层12相互粘合连接。The PU film composite layer 1 includes a non-woven fabric layer 11 and a PU film layer 12, and the non-woven fabric layer 11 and the PU film layer 12 are bonded and connected to each other.
仿粘法无纺布层11的上表面沿其边缘固定安装有第一密封条13，PU膜复合层1的中部设有与热敏可逆变色水凝胶层2配合的第一安装槽14；The upper surface of the imitation adhesive non-woven fabric layer 11 is fixedly installed with a first sealing strip 13 along its edge, and the middle part of the PU film composite layer 1 is provided with a first installation groove that cooperates with the thermosensitive reversible discoloration hydrogel layer 2 14;
第一安装槽14的内壁上粘合有竹炭干燥层4，竹炭干燥层4上设有多个长条形通孔41，热敏可逆变色水凝胶层2的下端粘合在竹炭干燥层4上，竹炭干燥层4防止外部的水汽透过PU膜复合层1进入热敏可逆变色水凝胶层2,且由于在竹炭干燥层4上设置长条形通孔41，使其在使用过程中具有透气性，且便于观看热敏可逆变色水凝胶层2颜色的变化；The inwall of the first mounting groove 14 is bonded with a bamboo charcoal drying layer 4, and the bamboo charcoal drying layer 4 is provided with a plurality of elongated through holes 41, and the lower end of the thermosensitive reversible discoloration hydrogel layer 2 is bonded on the bamboo charcoal drying layer. On the layer 4, the bamboo charcoal drying layer 4 prevents external water vapor from entering the thermosensitive reversible discoloration hydrogel layer 2 through the PU film composite layer 1, and since the bamboo charcoal drying layer 4 is provided with a strip-shaped through hole 41, making it It has air permeability during use, and it is convenient to observe the color change of the thermosensitive reversible discoloration hydrogel layer 2;
防粘膜3的下表面沿其边缘设有第二密封条21，第二密封条21与第一密封条13相互配合，防粘膜3的中部设有第二安装槽32，热敏可逆变色水凝胶层2的上端处于第二安装槽32内，当外部的包装袋受到挤压损坏时，用于保护防粘膜3受到外力产生移动脱落，使热敏可逆变色水凝胶层2不会直接暴露在外部。The lower surface of the anti-adhesive film 3 is provided with a second sealing strip 21 along its edge, and the second sealing strip 21 cooperates with the first sealing strip 13. The middle part of the anti-adhesive film 3 is provided with a second installation groove 32, which is thermosensitive and reversible. The upper end of the hydrogel layer 2 is in the second installation groove 32, and when the outer packaging bag is squeezed and damaged, it is used to protect the anti-adhesive film 3 from moving and falling off due to external force, so that the thermosensitive reversible discoloration hydrogel layer 2 Not directly exposed to the outside.
第一密封条13和第二密封条31均为环形结构，使密封更加完全。Both the first sealing strip 13 and the second sealing strip 31 are of annular structure, which makes the sealing more complete.
防粘膜3为PP压花膜。The release film 3 is a PP embossed film.
热敏可逆变色水凝胶层2由油相和水相配制而成。The thermosensitive reversible discoloration hydrogel layer 2 is prepared from an oil phase and a water phase.
热敏可逆变色水凝胶层2的油相的配方如下：The formula of the oil phase of the thermosensitive reversible discoloration hydrogel layer 2 is as follows:
热敏可逆变色水凝胶层2的水相的配方如下：The formulation of the water phase of the thermosensitive reversible discoloration hydrogel layer 2 is as follows:
薄荷类清凉剂30-60克(包括薄荷脑、薄荷脂、薄荷醇等)30-60 grams of mint cooling agents (including menthol, mint butter, menthol, etc.)
一种透明PU复合布的热敏可逆变色退热贴的制作工艺，包括如下步骤：A manufacturing process of a thermosensitive reversible discoloration and antipyretic sticker of a transparent PU composite cloth, comprising the following steps:
步骤一、将仿粘法无纺布层13(克重10-30/平方米)涂布粘合剂，然后与透气或高透气PU薄膜(克重10-20克/平方米)进行复合，制成PU膜复合层1，克重在20-40克/平方米；Step 1. Coating adhesive with imitation adhesive non-woven fabric layer 13 (gram weight 10-30/square meter), and then compounding with breathable or highly breathable PU film (gram weight 10-20 grams/square meter), Made into PU film composite layer 1, the gram weight is 20-40 grams/square meter;
步骤二、将第一密封条13粘合固定在仿粘法无纺布层13上，将第二密封条31粘合固定在防粘膜3上；Step 2, bonding and fixing the first sealing strip 13 on the imitation adhesive non-woven fabric layer 13, bonding and fixing the second sealing strip 31 on the anti-adhesive film 3;
步骤三、将竹炭干燥层4黏贴在步骤一所得的PU膜复合层1内；Step 3, paste the bamboo charcoal drying layer 4 in the PU film composite layer 1 obtained in step 1;
步骤四、配制聚丙烯酸钠水凝胶变色料，操作如下：Step 4, prepare sodium polyacrylate hydrogel discoloration material, the operation is as follows:
S1、油相配置：先把所有的原料按配方称好，然后把甘油加入锅中，再加入称好的NS8800、甘羟铝、二钠盐、CMC于锅中，用搅拌器按压粉料，让甘油浸润粉末，以免搅拌时粉末飞溅，再将锅和搅拌器安装好，低速搅1分钟，搅拌转速为30-35r/min，中速搅8分钟，60-65r/min，让甘油与粉末充分搅拌均匀；S1. Oil phase configuration: first weigh all the raw materials according to the formula, then add glycerin into the pot, then add the weighed NS8800, aluminum glycylate, disodium salt, and CMC into the pot, press the powder with a stirrer, Let the glycerin infiltrate the powder to prevent the powder from splashing during stirring, then install the pot and the stirrer, stir for 1 minute at low speed, the stirring speed is 30-35r/min, stir for 8 minutes at medium speed, 60-65r/min, let the glycerin and powder Stir well;
S2、水相配置：将K90按配方加入配料桶中，再按配方加入纯净水，搅拌均匀，直至在水中看不到粘状物，再将称好的酒石酸、防腐剂、变色树脂倒入水中搅拌均匀；S2. Water phase configuration: Add K90 into the batching bucket according to the formula, then add pure water according to the formula, stir evenly until no sticky matter can be seen in the water, then pour the weighed tartaric acid, preservative, and color-changing resin into the water Stir well;
S3、真空搅拌：将油相和水相依次倒入真空搅拌罐中，再将薄荷类清凉剂放入到真空搅拌罐中，然后再抽真空到-90mpa，然后快搅2-3分钟，搅拌转速为75-77r/min，再慢搅6-5分钟即可，搅拌转速为40-45r/min；S3. Vacuum stirring: Pour the oil phase and water phase into the vacuum mixing tank in turn, then put the mint-type cooling agent into the vacuum mixing tank, then vacuumize to -90mpa, then stir for 2-3 minutes, stir The rotation speed is 75-77r/min, then stir slowly for 6-5 minutes, and the stirring speed is 40-45r/min;
步骤五、涂布：将步骤四制得的水凝胶变色树脂涂布于步骤二制得的竹炭干燥层4上，形成热敏可逆变色水凝胶层2，然后复上防粘膜3，制成成品。Step 5, coating: apply the hydrogel color-changing resin obtained in step 4 on the bamboo charcoal dry layer 4 obtained in step 2 to form a thermosensitive reversible discoloration hydrogel layer 2, and then apply an anti-adhesive film 3 , into a finished product.
步骤六、固化：将步骤五得到的成品放置在固化室进行固化，直至固化好取出；Step 6, curing: place the finished product obtained in step 5 in the curing room for curing until it is cured and taken out;
步骤七、包装：将防粘膜3上的第二密封条31与PU膜复合层1上的第一密封条13相互配合密封，再进行装袋包装。Step 7. Packaging: The second sealing strip 31 on the anti-adhesive film 3 and the first sealing strip 13 on the PU film composite layer 1 are matched and sealed, and then bagged and packaged.
本发明的使用方法：打开包装袋后，通过解开防粘膜3，使防粘膜3上的第二密封条31与PU膜复合层上的第一密封条11分离，进而将露在外面的热敏可逆变色水凝胶层2放置在需要退热的地方，然后通过透明布就可以清晰观察颜色的变化，了解温度的变化情况。Using method of the present invention: after opening the packaging bag, by untying the anti-adhesive film 3, the second sealing strip 31 on the anti-adhesive film 3 is separated from the first sealing strip 11 on the PU film composite layer, and then the exposed heat The sensitive reversible discoloration hydrogel layer 2 is placed on the place where the fever needs to be reduced, and then the color change can be clearly observed through the transparent cloth to understand the temperature change.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714229.XACN108553215A (en) | 2018-07-03 | 2018-07-03 | A kind of Reversible thermochromic of transparent PU Compound Fabrics is defervescence plaster used |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714229.XACN108553215A (en) | 2018-07-03 | 2018-07-03 | A kind of Reversible thermochromic of transparent PU Compound Fabrics is defervescence plaster used |
| Publication Number | Publication Date |
|---|---|
| CN108553215Atrue CN108553215A (en) | 2018-09-21 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810714229.XAPendingCN108553215A (en) | 2018-07-03 | 2018-07-03 | A kind of Reversible thermochromic of transparent PU Compound Fabrics is defervescence plaster used |
| Country | Link |
|---|---|
| CN (1) | CN108553215A (en) |
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| RJ01 | Rejection of invention patent application after publication | Application publication date:20180921 |