CN104483264B - A kind of method of new evaluation PUR adhesive property - Google Patents
A kind of method of new evaluation PUR adhesive property Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000011156 evaluation Methods 0.000 title claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 title description 3
- 239000004831 Hot glue Substances 0.000 claims abstract description 75
- 239000004753 textile Substances 0.000 claims abstract description 11
- 238000003475 lamination Methods 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 4
- 239000000843 powder Substances 0.000 abstract description 9
- 238000011056 performance test Methods 0.000 abstract description 3
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000010023 transfer printing Methods 0.000 abstract description 3
- 238000009472 formulation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920001634 Copolyester Polymers 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007719 peel strength test Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Adhesives Or Adhesive Processes (AREA)
Abstract
本发明公开了一种新型评价热熔胶粘结性能的方法，特别是一种新型快速评价纺织品用热熔胶粘结性能的方法，该方法适用于粉状、块状、条状等各种形态的热熔胶，特别适用于小试研发阶段非粉状的热熔胶，可无需借助转印或制粉所需专用设备，对小样产品进行及时有效的性能测试评价，以便确定最佳的配方及工艺条件。
The invention discloses a new method for evaluating the bonding performance of hot-melt adhesives, especially a new method for rapidly evaluating the bonding performance of hot-melt adhesives for textiles. It is especially suitable for non-powdered hot melt adhesives in the small-scale research and development stage. It can conduct timely and effective performance test evaluations on small sample products without the need for special equipment required for transfer printing or powder making, so as to determine the best Formulation and process conditions.
Description
技术领域technical field
本发明涉及一种新型评价热熔胶粘结性能的方法，特别涉及一种新型快速评价纺织品用热熔胶粘结性能的方法。The invention relates to a novel method for evaluating the bonding performance of hot-melt adhesives, in particular to a novel method for quickly evaluating the bonding performance of hot-melt adhesives for textiles.
背景技术Background technique
热熔胶是热塑性的高分子材料，其熔点一般为80~200℃，由于该类物质具有加热便快速熔融、冷却即快速固化的特点，广泛应用于化工、汽车、电子、轻工、纺织等许多行业。热熔胶的粘结强度是其主要特性之一，在纺织服装行业，往往先通过适当的施胶方式制作热容粘衬，然后制作层压试样，再用剥强仪测定其剥离强度。制作热熔粘衬时的施胶方式包括热熔转移法、撒粉法和浆点法等，前一种方法需要价格较高的专用设备，后两种方法则要求热熔胶必须为粉状，而热熔胶的制粉过程通常在液氮深冷粉碎机中进行，需要较大量的样品，一般需要2Kg左右，且需要配置专用粉碎设备。Hot melt adhesive is a thermoplastic polymer material, its melting point is generally 80~200 ° C, because this kind of material has the characteristics of rapid melting when heated and rapid solidification when cooled, it is widely used in chemical industry, automobile, electronics, light industry, textile, etc. many industries. The bond strength of hot-melt adhesive is one of its main characteristics. In the textile and garment industry, heat-capacity adhesive linings are often made by appropriate sizing methods, and then laminated samples are made, and the peel strength is measured with a peel strength tester. The sizing methods for making hot-melt adhesive interlining include hot-melt transfer method, powder-sprinkling method and paste point method, etc. The former method requires special equipment with high price, while the latter two methods require that the hot-melt adhesive must be in powder form , while the hot melt adhesive powder making process is usually carried out in a liquid nitrogen cryogenic pulverizer, which requires a large amount of samples, generally about 2Kg, and requires special pulverization equipment.
然而，在热熔胶产品的研制阶段，所得样品较少，且大多均为条状或块状，若用上述检测方法对产品性能进行检测，则需制备较多的样品以及配备相应的专业设备，成本较高。However, in the development stage of hot melt adhesive products, there are few samples obtained, and most of them are strips or blocks. If the above detection method is used to test product performance, more samples need to be prepared and corresponding professional equipment should be equipped. ,higher cost.
发明内容Contents of the invention
本发明的目的在于解决上述技术问题，提供一种新型评价热熔胶粘结性能的方法，使得研发阶段所得的小样，能够得到及时有效的性能检测。The purpose of the present invention is to solve the above technical problems and provide a new method for evaluating the bonding performance of hot melt adhesives, so that the small samples obtained in the research and development stage can be tested in a timely and effective manner.
本发明所采用的技术方案为：一种新型评价热熔胶粘结性能的方法，包括如下步骤：The technical solution adopted in the present invention is: a novel method for evaluating the bonding performance of hot-melt adhesives, comprising the following steps:
（1）用电热板将热熔胶熔融，用玻璃棒将熔融后的样品抽成丝，随后裁剪成若干根等长的热熔胶丝；(1) Melt the hot-melt adhesive with an electric heating plate, draw the melted sample into filaments with a glass rod, and then cut it into several hot-melt adhesive filaments of equal length;
（2）依质量大小将该些热熔胶丝分组，每N1根质量相近者为一组，计算每组热熔胶丝的平均质量并记录，选出平均质量为G的N2组热熔胶丝；(2) Group these hot-melt adhesive threads according to their mass, and each N1 threads with similar mass is a group, calculate and record the average mass of each group of hot-melt adhesive threads, and select N2 groups of hot-melt adhesives with an average mass of G Silk;
（3）分别将每组热熔胶丝均匀排布在待粘的两基材之间，用压烫机层压后形成试样，室温下冷却放置一预设时间；(3) Arrange each group of hot-melt adhesive wires evenly between the two substrates to be bonded, and laminate them with a press to form a sample, and cool them at room temperature for a preset time;
（4）用剥强仪测试每个试样的剥离力Fi并记录；(4) Test the peel force F i of each sample with a peel strength tester and record it;
（5）测量剥离后每个试样中各根热熔胶丝的宽度Wi并记录；(5) Measure and record the width W i of each hot melt adhesive thread in each sample after stripping;
（6）计算每组热熔胶丝的剥强Pi，且Pi=Fi/∑Wi；(6) Calculate the peeling strength P i of each group of hot melt adhesive filaments, and P i =F i /∑W i ;
（7）计算热熔胶样品的剥强P，P=(∑Pi)/N2。(7) Calculate the peel strength P of the hot melt adhesive sample, P=(∑P i )/N2.
上述步骤（1）中，热熔胶丝的长度为40~60mm，优选为50mm；In the above step (1), the length of the hot melt adhesive thread is 40-60 mm, preferably 50 mm;
上述步骤（2）中，质量相近是指每根热熔胶丝的重量与平均重量相差不超过5%；平均重量G为0.005~0.008g；N1为4，N2为3，即每4根质量相近的热熔胶丝为一组，并选出平均重量为G的3组热熔胶丝；In the above step (2), similar quality means that the difference between the weight of each hot melt adhesive filament and the average weight is no more than 5%; the average weight G is 0.005~0.008g; N1 is 4, N2 is 3, that is, the mass Similar hot-melt adhesive threads are grouped into one group, and three groups of hot-melt adhesive threads with an average weight of G are selected;
上述步骤（3）中，所述两基材均为布料，大小均为50mm×100mm，所述热熔胶丝沿基材的长度方向均匀排布，每根热熔胶丝之间的距离为8~11mm；上述预设时间为4.0h；In the above step (3), the two substrates are both cloths with a size of 50mm×100mm, and the hot-melt adhesive threads are evenly arranged along the length direction of the substrate, and the distance between each hot-melt adhesive thread is 8~11mm; the above preset time is 4.0h;
上述压烫机的层压温度比热熔胶的DSC终熔点低5~15℃，层压压力为0.3MPa。The lamination temperature of the above pressing machine is 5~15°C lower than the DSC final melting point of the hot melt adhesive, and the lamination pressure is 0.3MPa.
本发明的创新之处在于：提出了了一种基于熔融抽丝的热熔胶粘结性能快速评价方法，该方法适用于粉状、块状、条状等各种形态的热熔胶，特别适用于小试研发阶段非粉状的热熔胶，可无需借助转印或制粉所需专用设备，对小样产品进行及时有效的性能测试评价，以便确定最佳的配方及工艺条件。The innovation of the present invention is that it proposes a method for rapid evaluation of hot-melt adhesive bonding performance based on melt spinning, which is suitable for hot-melt adhesives in various forms such as powder, block, strip, etc., especially It is suitable for non-powder hot melt adhesives in the small-scale research and development stage. It can conduct timely and effective performance test evaluations on small sample products without the need for special equipment required for transfer printing or powder making, so as to determine the best formula and process conditions.
附图说明Description of drawings
图1为热熔胶丝排布示意图；Figure 1 is a schematic diagram of the arrangement of hot melt adhesive wires;
图2为经层压及剥离后热熔胶丝示意图；Fig. 2 is the schematic diagram of the hot-melt adhesive thread after lamination and stripping;
图3为经层压及剥离后热熔胶丝局部放大示意图；Figure 3 is a partially enlarged schematic view of the hot melt adhesive thread after lamination and peeling;
图中，1为基材面料，2为热熔胶丝，A为局部放大示意图示符， Wi为剥离后各单根热熔胶丝的宽度。In the figure, 1 is the base fabric, 2 is the hot-melt adhesive thread, A is a partially enlarged schematic diagram indicator, W i is the width of each single hot-melt adhesive thread after stripping.
实施方式Implementation
实施例1Example 1
取型号JCC-3145块状共聚酯热熔胶10g（DSC终熔点165℃），在功率1000w的电热板上加热熔融，用玻璃棒抽丝并将其剪成若干根长度为50mm的丝，由分析天平称重后选取三组共12根，各组平均质量分别为0.0071g、0.0068g和0.0061g，每组的四根丝按图1所示排放在两片尺寸均为50mm×100mm的面料6535之间，依次经压烫机层压可得测试样T1、T2和T3，层压温度为150℃，层压压力为0.3MPa，层压后在室温下冷却4.0 h，各试样的剥离力Fi由剥离强度测试仪测定，剥离后各单根热熔胶丝的宽度Wi（如图2所示）由电子显微镜放大后测定，按照公式Pi=Fi/∑Wi计算各组试样的剥强，然后按照公式P=(∑Pi)/3计算热熔胶产品的剥强，相关数据结果如下表1所示。Take 10g of JCC-3145 bulk copolyester hot melt adhesive (DSC final melting point 165°C), heat and melt it on a 1000w electric heating plate, use a glass rod to draw wire and cut it into several wires with a length of 50mm. After weighing by the analytical balance, three groups of 12 wires were selected. The average mass of each group was 0.0071g, 0.0068g and 0.0061g respectively. Between fabrics 6535, test samples T 1 , T 2 and T 3 can be obtained by laminating sequentially with a pressing machine. The lamination temperature is 150°C and the lamination pressure is 0.3 MPa. The peeling force F i of the sample is measured by a peel strength tester, and the width W i of each single hot melt adhesive filament after peeling (as shown in Figure 2) is measured by an electron microscope after amplification, according to the formula P i =F i /∑ W i calculates the peeling strength of each group of samples, and then calculates the peeling strength of the hot melt adhesive product according to the formula P=(∑P i )/3. The relevant data results are shown in Table 1 below.
表1：JCC-3145块状共聚酯热熔胶的剥离强度测试数据。Table 1: Peel strength test data of JCC-3145 bulk copolyester hot melt adhesive.
实施例2Example 2
取型号JCC-3110粒状共聚酯热熔胶10g（DSC终熔点102℃），在功率1000w的电热板上加热熔融，用玻璃棒抽丝并将其剪成若干根长度为50mm的丝，由分析天平称重后选取三组共12根，各组平均质量分别为0.0079g、0.0068g和0.0072g，每组的四根丝按图1所示排放在两片尺寸均为50mm×100mm的面料6535之间，依次经压烫机层压可得测试样T4、T5和T6，层压温度为90℃，层压压力为0.3MPa，层压后在室温下冷却4.0 h，各试样的剥离力Fi由剥离强度测试仪测定，剥离后各单根热熔胶丝的宽度Wi（如图2所示）由电子显微镜放大后测定，按照公式Pi=Fi/∑Wi计算各组试样的剥强，然后按照公式P=(∑Pi)/3计算热熔胶产品的剥强，相关数据结果如下表2所示。Take 10g of JCC-3110 granular copolyester hot-melt adhesive (DSC final melting point 102°C), heat and melt it on a 1000w electric heating plate, use a glass rod to draw wire and cut it into several wires with a length of 50mm. After weighing with the analytical balance, select three groups of 12 wires in total. The average mass of each group is 0.0079g, 0.0068g and 0.0072g respectively. The four wires of each group are arranged on two pieces of fabrics with a size of 50mm×100mm as shown in Figure 1. Between 65 and 35, test samples T 4 , T 5 and T 6 can be obtained by laminating sequentially with a pressing machine. The lamination temperature is 90°C and the lamination pressure is 0.3 MPa. The peeling force F i of the sample is measured by a peel strength tester, and the width W i of each single hot melt adhesive thread after peeling (as shown in Figure 2) is measured by an electron microscope after amplification, according to the formula P i =F i /∑W i Calculate the peel strength of each group of samples, and then calculate the peel strength of the hot melt adhesive product according to the formula P=(∑P i )/3. The relevant data results are shown in Table 2 below.
表2：JCC-3110粒状共聚酯热熔胶的剥离强度测试数据。Table 2: Peel strength test data of JCC-3110 granular copolyester hot melt adhesive.
为验证本发明所提出的技术方案的有效性，提取型号JCC-3145块状共聚酯热熔胶2000g及型号JCC-3110粒状共聚酯热熔胶2000g，分别在液氮深冷粉碎机中进行粉碎后，采用常规施教方式撒粉法制作热熔粘衬，如CN200810033752.2所示，依次经过浆料配制、涂刮、熔融定型等步骤，分别制备了克重为9.7 g/m2 和9.8 g/m2的热熔粘籿，再通过压烫机将尺寸50mm×100mm的面料6535与相同尺寸的上述热熔粘籿进行层压，获得测试样，室温下冷却4h后由剥离强度测试仪测定，所得剥离强度分别为11.5 N/2.5cm和7.77 N/2.5cm，JCC-3145 与 JCC-3110剥离强度值之比为1.48:1，JCC-3145的剥强性能优于JCC-3110的剥强性能。根据实施例1和实施例2所测得数据计算，上述两种共聚酯热熔胶的剥离强度之比为1.50:1，JCC-3145的剥强性能优于JCC-3110的剥强性能。即由此可见，本发明所提出的方法是有效的。In order to verify the effectiveness of the technical scheme proposed in the present invention, extract model JCC-3145 bulk copolyester hot melt adhesive 2000g and model JCC-3110 granular copolyester hot melt adhesive 2000g, respectively in liquid nitrogen cryogenic pulverizer After pulverization, the hot-melt adhesive lining is produced by the conventional powdering method, as shown in CN200810033752.2. After steps such as slurry preparation, coating and scraping, melting and shaping, the grammage of 9.7 g /m2 is respectively prepared. and 9.8 g/m2 hot - melt adhesive, and then laminated fabric 6535 with a size of 50mm×100mm and the above-mentioned hot-melt adhesive of the same size through a pressing machine to obtain a test sample. After cooling at room temperature for 4 hours, the peel strength Tested by the tester, the obtained peel strengths are 11.5 N/2.5cm and 7.77 N/2.5cm respectively, the ratio of JCC-3145 and JCC-3110 peel strength values is 1.48:1, and the peel strength of JCC-3145 is better than that of JCC-3110 The stripping performance. According to the data measured in Example 1 and Example 2, the ratio of the peel strength of the above two copolyester hot melt adhesives is 1.50:1, and the peel strength of JCC-3145 is better than that of JCC-3110. That is to say, it can be seen that the method proposed by the present invention is effective.
本发明所提出的一种基于熔融抽丝的热熔胶粘结性能快速评价方法，适用于粉状、块状、条状等各种形态的热熔胶，特别适用于小试研发阶段非粉状的热熔胶，可无需借助转印或制粉所需专用设备，对小样产品进行及时有效的性能测试评价，以便确定最佳的配方及工艺条件。A rapid evaluation method of hot melt adhesive bonding performance based on melt spinning proposed by the present invention is suitable for hot melt adhesives in various forms such as powder, block, and strip, and is especially suitable for non-powder adhesives in the small test development stage. Shaped hot melt adhesive can conduct timely and effective performance test and evaluation on small sample products without the need for special equipment required for transfer printing or powder making, so as to determine the best formula and process conditions.
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| CN111693560A (en) * | 2020-06-11 | 2020-09-22 | 西安交通大学 | Selection method of hot melt adhesive for crosslinked polyethylene cable smooth aluminum composite sheath |
| CN112986132A (en) * | 2021-02-05 | 2021-06-18 | 慕思健康睡眠股份有限公司 | Method for testing adhesion fastness of hot melt adhesive |
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| JPH03181841A (en) * | 1989-12-12 | 1991-08-07 | Asahi Seiko Kk | Horizontal peel and adhesive strength tester |
| CN1475792A (en) * | 2002-08-15 | 2004-02-18 | 义乌市易开盖实业公司 | Viscose belt cohesive force measuring method and viscose belt cohesive force measuring papparatus |
| CN101206173A (en) * | 2006-12-22 | 2008-06-25 | 上海比亚迪有限公司 | Method for measuring coating adhesive strength on a coating body using flexible material as substrate |
| CN103293097A (en) * | 2013-05-09 | 2013-09-11 | 安徽理士电源技术有限公司 | Method for testing bonding strength of epoxy resin glue and storage battery sealing method |
| CN104215574A (en) * | 2014-09-01 | 2014-12-17 | 厦门市工程检测中心有限公司 | Method for detecting adhesive property of hollow glass external sealant |
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| CN104483264A (en) | 2015-04-01 |
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Address after: 505 Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee after: SHANGHAI TIANYANG HOT MELT ADHESIVE Co.,Ltd. Patentee after: Kunshan Tianyang New Material Co.,Ltd. Patentee after: EAST CHINA University OF SCIENCE AND TECHNOLOGY Address before: 505 Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee before: SHANGHAI TIANYANG HOT MELT ADHESIVE Co.,Ltd. Patentee before: KUNSHAN TIANYANG HOT MELT ADHESIVE Co.,Ltd. Patentee before: EAST CHINA University OF SCIENCE AND TECHNOLOGY |
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Address after: 505 Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee after: Tianyang New Material (Shanghai) Technology Co.,Ltd. Patentee after: Kunshan Tianyang New Material Co.,Ltd. Patentee after: EAST CHINA University OF SCIENCE AND TECHNOLOGY Address before: 505 Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee before: SHANGHAI TIANYANG HOT MELT ADHESIVE Co.,Ltd. Patentee before: Kunshan Tianyang New Material Co.,Ltd. Patentee before: EAST CHINA University OF SCIENCE AND TECHNOLOGY |
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