WO2022257251A1 - 涂布液和复合医疗手腕带 - Google Patents
涂布液和复合医疗手腕带 Download PDFInfo
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- WO2022257251A1 WO2022257251A1 PCT/CN2021/108616 CN2021108616W WO2022257251A1 WO 2022257251 A1 WO2022257251 A1 WO 2022257251A1 CN 2021108616 W CN2021108616 W CN 2021108616W WO 2022257251 A1 WO2022257251 A1 WO 2022257251A1
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- WO
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- Prior art keywords
- parts
- weight
- wrist strap
- coating liquid
- ethylene
- Prior art date
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- 239000011248 coating agent Substances 0.000 title claims abstract description 57
- 238000000576 coating method Methods 0.000 title claims abstract description 57
- 210000000707 wrist Anatomy 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 30
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims abstract description 19
- NQTADLQHYWFPDB-UHFFFAOYSA-N N-Hydroxysuccinimide Chemical compound ON1C(=O)CCC1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002216 antistatic agent Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920002635 polyurethane Polymers 0.000 claims abstract description 16
- 239000004814 polyurethane Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical group CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 229920003009 polyurethane dispersion Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 abstract description 3
- 239000000839 emulsion Substances 0.000 abstract description 3
- 150000002148 esters Chemical class 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000003607 modifier Substances 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005562 fading Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 19
- 239000008234 soft water Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 6
- 238000001994 activation Methods 0.000 description 4
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 3
- 238000007774 anilox coating Methods 0.000 description 3
- 229940097275 indigo Drugs 0.000 description 3
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920005749 polyurethane resin Polymers 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 N-hydroxysuccinimide Amine Chemical class 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- CKQVRZJOMJRTOY-UHFFFAOYSA-N octadecanoic acid;propane-1,2,3-triol Chemical compound OCC(O)CO.CCCCCCCCCCCCCCCCCC(O)=O CKQVRZJOMJRTOY-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0869—Acids or derivatives thereof
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/0007—Bracelets specially adapted for other functions or with means for attaching other articles
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Definitions
- the invention relates to the technical field of medical supplies, in particular to a coating liquid and a composite medical wrist band.
- Medical wristband is a kind of wristband. Medical wristband is generally used to provide identification information of patients. Its content includes: name, gender, bed number, hospitalization number and other information specially required by medical treatment. It is mainly used by hospitals to identify patients. effective tool. All kinds of medical wrist straps on the market have the characteristics of simple use, firm buckle, comfortable wearing, various colors and novel and beautiful styles, and are widely used in hospitals of all sizes.
- the paper with patient information on the general medical wristband is easy to get wet when exposed to water, which makes the handwriting on the paper blurred, causes damage to the identification card, and is inconvenient to check, making it difficult for medical staff to treat patients in a timely manner according to the identification card. Thereby cause inconvenience to the work of medical personnel. Therefore, it is of great significance how to improve the printing firmness of the medical wristband so that it is not easy to wear and fade.
- the technical problem to be solved by the present invention is to provide a coating solution.
- the coating solution provided by the application is coated on the surface of the medical wrist strap, which can enhance the full color and firmness of the medical wrist strap.
- a coating liquid comprising:
- the ethylene-acrylic acid copolymer is prepared from 45-85 wt% ethylene and 20-45 wt% acrylic acid.
- the heat-activated adhesive is selected from one or more of acrylate glue, polystyrene and polyurethane dispersion; the minimum activation temperature of the heat-activated adhesive is 45-55°C.
- the nonionic antistatic agent is glycerol-stearate.
- the content of the polyurethane is 18-25 parts by weight.
- the content of the ethylene-acrylic acid copolymer is 22-28 parts by weight.
- the content of the N-hydroxysuccinimide is 0.2-0.7 parts by weight.
- the content of the nonionic antistatic agent is 0.8-1.5 parts by weight.
- the preparation method of the coating liquid is specifically:
- the present application also provides a composite medical wrist strap, which is composed of a medical wrist strap and a coating compounded on the surface of the medical wrist strap, and the coating is prepared from the above-mentioned coating solution.
- the application provides a coating solution, which includes 15-30 parts by weight of polyurethane, 20-30 parts by weight of ethylene-acrylic acid copolymer, 1-3 parts by weight of polycarbodiimide, 0.1-1 part by weight of N -Hydroxysuccinimide, 2 to 5 parts by weight of heat-activated adhesive, 0.5 to 2 parts by weight of nonionic antistatic agent and 25 to 65 parts by weight of water; polycarbonation in the coating solution provided by the application Diimide and N-hydroxysuccinimide are used as cross-linking modifiers, N-hydroxysuccinimide makes polycarbodiimide form active ester, and then reacts with hydroxyl groups to enhance the water resistance of the emulsion, polyurethane and
- the mixture of ethylene-acrylic acid copolymers and heat-activated adhesives work together to enhance the adhesion of medical wristbands, which promotes strong printing of wristbands and is not easy to wear and fade.
- the application provides a coating solution. Due to the interaction of components in the coating solution, it can be applied to medical wristbands so that wristbands The printing is firm and not easy to wear and fade.
- a coating solution including:
- polyurethane is the main component of the water-based coating solution, which mainly provides the adhesion between the substrate and the coating, so that the coating is firmly attached to the substrate; The more cohesive the substrate, the better the overall substrate adhesion after printing.
- the content of the polyurethane is 15-30 parts by weight, more specifically, the content of the polyurethane is 18-25 parts by weight.
- Ethylene-acrylic acid copolymer is the main component of water-based coating liquid, which provides the adhesion between the coating liquid coating and the substrate; the higher the content, the stronger the adhesion between the coating and the substrate, making the printing appearance better .
- the content of the ethylene-acrylic acid copolymer is 20-30 parts by weight, more specifically, the content of the ethylene-acrylic acid copolymer is 22-28 parts by weight.
- the ethylene-acrylic acid copolymer is obtained by copolymerizing 45-85 wt% of ethylene and 20-45 wt% of acrylic acid in a high-pressure reactor by free radical polymerization.
- N-hydroxydiimide is polycarbodiimide to form an active ester, which then reacts with hydroxyl groups to enhance the coating liquid. water resistance.
- the content of the polycarbodiimide is 1 to 3 parts by weight, and the content of the N-hydroxysuccinimide is 0.1 to 1 parts by weight; more specifically, the polycarbodiimide
- the content of the amine is 1 part by weight, 2 parts by weight or 3 parts by weight.
- the content of the N-hydroxysuccinimide is 0.2-0.7 parts by weight.
- Heat-activated adhesives belong to the category of hot-melt adhesives, which need to be melted by heating before use. Therefore, heat-activated adhesives have a minimum activation temperature, which is why this type of adhesive is different from the above types of adhesives.
- the difference of the mixture is that the original non-sticky glue becomes viscous after being heated, and the thermal activation temperature is low, and the operation controllability is good in the production process. The heating activation can fit the material more closely, thereby improving the adhesion.
- the adhesion of the medical wristband after printing can be enhanced by adding a heat-activated adhesive; at the same time, during the activation process of the heat-activated adhesive, the soft segment of polyurethane changes from a crystalline state to an amorphous state, and the hard segment The physical cross-linking still exists, and the polyurethane molecular chain does not slip relative to each other, so that the full color and firmness of the medical wristband after printing are enhanced.
- the heat-activated adhesive described in this application is one or more of acrylate glue, polystyrene and polyurethane dispersion.
- the content of the heat-activated adhesive in the present application is 2-5 parts by weight, more specifically, the content of the heat-activated adhesive is 2 parts by weight, 3 parts by weight, 4 parts by weight or 5 parts by weight.
- the non-ionic antistatic agent is used to prevent the medical wrist strap from being hurt by constant friction with the patient's skin during use, and is free of static electricity.
- the nonionic antistatic agent is specifically selected from glycerin-stearate, and its content is 0.5 to 2 parts by weight. More specifically, the content of the nonionic antistatic agent is 0.5 parts by weight, 1 part by weight, and 1.2 parts by weight. parts, 1.5 parts by weight or 2 parts by weight.
- the preparation method of the coating liquid is specifically:
- the present application also provides a composite medical wrist strap, which is composed of a medical wrist strap and a coating compounded on the surface of the medical wrist strap, and the coating is prepared from the above-mentioned coating solution.
- polyurethane is a commercially available product from Covestro
- polycarbodiimide is a commercially available product from Shanghai Youen Chemical Co., Ltd.
- N-hydroxysuccinimide is a commercially available product from Merck
- nonionic antistatic The agent is glycerol-stearate.
- the heat-activated adhesive is a polyurethane dispersion selected from Covestro's commercially available product under the designation Dispercoll U54.
- Example 1 The preparation method of the coating solution in Example 1 is the same, except that N-hydroxysuccinimide is not added.
- the experimental results show that the obtained wristband is soaked in soft water and left for 3 days to turn white.
- Example 1 The preparation method of the coating liquid in Example 1 is the same, the only difference is that polycarbodiimide is not added.
- the experimental results show that the obtained wristband is soaked in soft water and left for 3 days to turn white.
Abstract
一种涂布液，包括15～30重量份的聚氨酯、20～30重量份的乙烯-丙烯酸共聚物、1～3重量份的聚碳化二亚胺、0.1～1重量份的N-羟基丁二酰亚胺、2～5重量份的热活化粘合剂、0.5～2重量份的非离子抗静电剂和25～65重量份的水。一种复合医疗手腕带，由医疗手腕带和复合于医疗手腕带表面的涂层组成，涂层由涂布液制备得到。涂布液以聚碳化二亚胺和N-羟基丁二酰亚胺作为交联改性剂，N-羟基丁二酰亚胺使聚碳化二亚胺形成活性酯，增强乳液的耐水性，同时聚氨酯和乙烯-丙烯酸共聚物的混合物与热活化粘合剂共同作用增强医疗手腕带的粘结性，促使手腕带的印刷牢固，不易磨损掉色；另一方面，非离子抗静电剂还可防止医疗手腕带带静电。
Description
本申请要求于2021年06月10日提交中国专利局、申请号为202110648799.5、发明名称为“涂布液和复合医疗手腕带”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
本发明涉及医疗用品技术领域，尤其涉及一种涂布液和一种复合医疗手腕带。
医疗手腕带是腕带的一种，医疗手腕带一般用于提供病人的识别信息，其内容包括：姓名、性别、床号、住院号及其它医疗特别要求的信息，主要是医院对病人进行标识的有效工具。市场上的各种医疗手腕带都具有使用简单、扣子牢固、佩戴舒适、颜色多样以及样式新颖美观的特点，在各大小医院广泛使用。
但是，一般的医疗手腕带上记有病人信息的纸，遇水容易潮湿，使得纸张上的字迹模糊，造成标识卡损坏，不方便查看，使得医护人员难以根据标识卡对患者进行及时的治疗，从而对医护人员的工作造成不便。因此，对于如何提高医疗手腕带的印刷牢固性，使其不易磨损掉色具有重要意义。
发明内容
本发明解决的技术问题在于提供一种涂布液，本申请提供的涂布液涂布于医疗手腕带表面，可增强医疗手腕带的色彩饱满和牢固性。
有鉴于此，本申请提供了一种涂布液，包括：
优选的，所述乙烯-丙烯酸共聚物由45～85wt％的乙烯和20～45wt％的丙烯酸制备得到。
优选的，所述热活化粘合剂选自丙烯酸酯胶、聚苯乙烯和聚氨酯分散体中的一种或多种；所述热活化粘合剂的最低活化温度为45～55℃。
优选的，所述非离子抗静电剂为甘油-硬脂酸酯。
优选的，所述聚氨酯的含量为18～25重量份。
优选的，所述乙烯-丙烯酸共聚物的含量为22～28重量份。
优选的，所述N-羟基丁二酰亚胺的含量为0.2～0.7重量份。
优选的，所述非离子抗静电剂的含量为0.8～1.5重量份。
优选的，所述涂布液的制备方法具体为：
按照配比将聚氨酯、乙烯-丙烯酸共聚物和水混合，升温后加入聚碳化二亚胺、N-羟基丁二酰亚胺和热活化粘合剂，降温后再加入非离子抗静电剂，得到涂布液。
本申请还提供了一种复合医疗手腕带，由医疗手腕带和复合于所述医疗手腕带表面的涂层组成，所述涂层由上述的涂布液制备得到。
本申请提供了一种涂布液，其包括15～30重量份聚氨酯、20～30重量份的乙烯-丙烯酸共聚物、1～3重量份的聚碳化二亚胺、0.1～1重量份的N-羟基丁二酰亚胺、2～5重量份的热活化粘合剂、0.5～2重量份的非离子抗静电剂以25～65重量份的水；本申请提供的涂布液中聚碳化二亚胺和N-羟基丁二酰亚胺作为交联改性剂，N-羟基丁二酰亚胺使聚碳化二亚胺形成活性酯，然后与羟基反应，增强乳液的耐水性，聚氨酯和乙烯-丙烯酸共聚物的混合物与热活化粘合剂共同作用增强医疗手腕带的粘结性，促使手腕带的印刷牢固，不易磨损掉色。
为了进一步理解本发明，下面结合实施例对本发明优选实施方案进行描述，但是应当理解，这些描述只是为进一步说明本发明的特征和优点，而不是对本发明权利要求的限制。
鉴于现有技术中医疗手腕带色彩牢固性差、易磨损变色的问题，本申请提供了一种涂布液，由于涂布液中各组分的相互作用，使得其应用于医疗手腕带 使得手腕带的印刷牢固，不易磨损掉色。具体的，本发明实施例公开了一种涂布液，包括：
在本申请提供的涂布液中，聚氨酯是水性涂布液的主要成分，主要提供基材与涂层的粘结性，使涂层牢牢地附着在基材上；其含量越高，与基材的粘结性越强，整体基材在印刷后的附着力越强。在本申请中，所述聚氨酯的含量为15～30重量份，更具体的，所述聚氨酯的含量为18～25重量份。
乙烯-丙烯酸共聚物是水性涂布液的主要成分，提供涂布液涂层与基材的粘结力；其含量越高，则涂层与基材间的粘性更强，使得印刷外观更好。在本申请中，所述乙烯-丙烯酸共聚物的含量为20～30重量份，更具体地，所述乙烯-丙烯酸共聚物的含量为22～28重量份。所述乙烯-丙烯酸共聚物由45～85wt％的乙烯和20～45wt％的丙烯酸在高压反应釜内，利用自由基聚合反应共聚得到。
聚碳化二亚胺和N-羟基丁二酰亚胺共同作为交联剂其作用，N-羟基二酰亚胺是聚碳化二亚胺形成活性酯，然后与羟基反应，增强了涂布液的耐水性。在本申请中，所述聚碳化二亚胺的含量为1～3重量份，所述N-羟基丁二酰亚胺的含量为0.1～1重量份；更具体地，所述聚碳化二亚胺的含量为1重量份、2重量份或3重量份。所述N-羟基丁二酰亚胺的含量为0.2～0.7重量份。
粘合剂一共分为五类：水溶型粘合剂、热熔型粘合剂、溶剂型粘合剂、乳液型粘合剂和无溶剂液体粘合剂。热活化粘合剂属于热熔型粘合剂类，需要通过加热使粘合剂熔化后使用，因此热活化粘合剂有一个最低活化温度，这也是该类粘合剂与以上几种类型粘合剂的不同之处，优势在于原来没有粘性的胶加热后产生了粘性，且热活化温度低，在生产过程中操作可控性好，加热活化可以与材料更贴合，从而提高附着力，即通过加入热活化粘合剂可以增强医疗手 腕带在印刷后的附着牢固性；同时，在热活化粘合剂活化过程中，聚氨酯软链段部分从结晶态转变为非晶态，硬链段的物理交联仍然存在，聚氨酯分子链不发生相对滑移，使得医疗手腕带在印刷后色彩的饱满和牢固性得以增强。本申请所述热活化粘合剂为丙烯酸酯胶、聚苯乙烯和聚氨酯分散体中的一种或多种。本申请所述热活化粘合剂的含量为2～5重量份，更具体地，所述热活化粘合剂的含量为2重量份、3重量份、4重量份或5重量份。
所述非离子抗静电剂用于避免医疗手腕带在使用过程中与病人的皮肤不断摩擦中产生伤害，且不带静电。所述非离子抗静电剂具体选自甘油-硬脂酸酯，其含量为0.5～2重量份，更具体的，所述非离子抗静电剂的含量为0.5重量份、1重量份、1.2重量份、1.5重量份或2重量份。
按照本发明，所述涂布液的制备方法具体为：
按照配比将聚氨酯、乙烯-丙烯酸共聚物和水混合，升温后加入聚碳化二亚胺、N-羟基丁二酰亚胺和热活化粘合剂，降温后再加入非离子抗静电剂，得到涂布液。
更具体得，按照质量配比将聚氨酯、乙烯-丙烯酸共聚物和软水加入反应釜中，开启搅拌，以80r/min速度搅拌10分钟，然后开启加热搅拌，温度升至50～60℃时加入聚碳化二亚胺、N-羟基丁二酰亚胺继续搅拌1h，然后加入热活化粘合剂，降至常温后加入非离子抗静电剂，即得所述的用于医疗手腕带的涂布液。
本申请还提供了一种复合医疗手腕带，由医疗手腕带和复合于所述医疗手腕带表面的涂层组成，且上述涂层由上述所述的涂布液制备得到。
为了进一步理解本发明，下面结合实施例对本发明提供的涂布液进行详细说明，本发明的保护范围不受以下实施例的限制。
在以下实施例中，聚氨酯为科思创市售产品，聚碳化二亚胺为上海尤恩化工有限公司市售产品，N-羟基丁二酰亚胺为默克市售产品，非离子抗静电剂为甘油-硬脂酸酯。热活化粘合剂为聚氨酯分散体，选自科思创牌号为Dispercoll U54的市售产品。
实施例1
将20份乙烯-丙烯酸共聚物、15份聚氨酯树脂和61.4份软水混合，开启 加热搅拌，以100r/min、70℃搅拌同时加入1份聚碳化二亚胺和0.1份N-羟基丁二酰亚胺，持续搅拌5min，温度降至45℃，加入2份热活化粘合剂持续搅拌20min，降温常温后搅拌下加入0.5份非离子抗静电剂即得水性涂布液，该水性涂布液用120目网纹辊涂布在医疗手腕带上，经过HP Indigo打印后得到样品，印刷外观良好，色彩均匀，色差值为0.45△E，将印刷后的腕带用软水浸泡，放置7天不发白，外观良好。
实施例2
将25份乙烯-丙烯酸共聚物、20份聚氨酯树脂和47.6份软水混合，开启加热搅拌，以100r/min、70℃搅拌同时加入2份聚碳化二亚胺和0.4份N-羟基丁二酰亚胺，持续搅拌5min，温度降至45℃，加入4份热活化粘合剂持续搅拌20min，降温常温后搅拌下加入1份非离子抗静电剂即得水性涂布液，该水性涂布液用120目网纹辊涂布在医疗手腕带上，经过HP Indigo打印后得到样品，印刷外观良好，色彩均匀，色差值为0.37△E，将印刷后的腕带用软水浸泡，放置10天不发白，外观良好。
实施例3
将30份乙烯-丙烯酸共聚物、30份聚氨酯树脂和29份软水混合，开启加热搅拌，以100r/min、70℃搅拌同时加入3份聚碳化二亚胺和1份N-羟基丁二酰亚胺，持续搅拌5min，温度降至45℃，加入5份热活化粘合剂持续搅拌20min，降温常温后搅拌下加入2份非离子抗静电剂即得水性涂布液，该水性涂布液用120目网纹辊涂布在医疗手腕带上，经过HP Indigo打印后得到样品，印刷外观良好，色彩均匀，色差值为0.40△E，将印刷后的腕带用软水浸泡，放置14天不发白，外观良好。
对比例1
与实施例1涂布液的制备方法相同，区别仅在于：未加入N-羟基丁二酰亚胺。实验结果表明：将得到的腕带用软水浸泡，放置3天发白。
对比例2
与实施例1涂布液的制备方法相同，区别仅在于，未加入聚碳化二亚胺。实验结果表明：将得到的腕带用软水浸泡，放置3天发白。
以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (10)
- 一种涂布液，包括：
- 根据权利要求1所述的涂布液，其特征在于，所述乙烯-丙烯酸共聚物由45～85wt％的乙烯和20～45wt％的丙烯酸制备得到。
- 根据权利要求1所述的涂布液，其特征在于，所述热活化粘合剂选自丙烯酸酯胶、聚苯乙烯和聚氨酯分散体中的一种或多种；所述热活化粘合剂的最低活化温度为45～55℃。
- 根据权利要求1所述的涂布液，其特征在于，所述非离子抗静电剂为甘油-硬脂酸酯。
- 根据权利要求1所述的涂布液，其特征在于，所述聚氨酯的含量为18～25重量份。
- 根据权利要求1所述的涂布液，其特征在于，所述乙烯-丙烯酸共聚物的含量为22～28重量份。
- 根据权利要求1所述的涂布液，其特征在于，所述N-羟基丁二酰亚胺的含量为0.2～0.7重量份。
- 根据权利要求1所述的涂布液，其特征在于，所述非离子抗静电剂的含量为0.8～1.5重量份。
- 根据权利要求1所述的涂布液，其特征在于，所述涂布液的制备方法具体为：按照配比将聚氨酯、乙烯-丙烯酸共聚物和水混合，升温后加入聚碳化二亚胺、N-羟基丁二酰亚胺和热活化粘合剂，降温后再加入非离子抗静电剂，得 到涂布液。
- 一种复合医疗手腕带，由医疗手腕带和复合于所述医疗手腕带表面的涂层组成，所述涂层由权利要求1～9任一项所述的涂布液制备得到。
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