CN104483264A - Novel evaluation method for bonding property of hot melt adhesive - Google Patents
Novel evaluation method for bonding property of hot melt adhesive Download PDFInfo
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- CN104483264A CN104483264A CN201410796055.8A CN201410796055A CN104483264A CN 104483264 A CN104483264 A CN 104483264A CN 201410796055 A CN201410796055 A CN 201410796055A CN 104483264 A CN104483264 A CN 104483264A
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- hot
- melt
- rayon yarns
- hot melt
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Abstract
The invention discloses a novel evaluation method for the bonding property of hot melt adhesive and in particular relates to a novel method for rapidly evaluating the bonding property of hot melt adhesive for textiles. The method is suitable for the hot melt adhesives in the forms of powder, lumps, strips and the like, and is particularly suitable for non-powdery hot melt adhesives in a lab-scale development phase, special equipment required by transfer printing or powder making is not required, a sample product can be timely and effectively subjected to performance testing evaluation, and the optimal formulation and the technological conditions can be determined conveniently.
Description
Technical field
The present invention relates to a kind of method of novel evaluation hot melt adhesive adhesive property, particularly a kind of method of novel Fast Evaluation Hot Melt Adhesives for Textiles adhesive property.
Background technology
Hot melt adhesive is thermoplastic macromolecular material, and its fusing point is generally 80 ~ 200 DEG C, heats just Flashmelt, cooling and quick-setting feature, be widely used in many industries such as chemical industry, automobile, electronics, light industry, weaving because such material has.The cohesive strength of hot melt adhesive is one of its key property, at textile and garment enterprise, often first makes the sticky lining of thermal capacitance by suitable resin application methods, then makes laminate specimen, then measure its peel strength with the strong instrument of stripping.Resin application methods when making hot melt glutinous lining comprises hot melt transfer method, inspergation and slurry point method etc., the specialized equipment that a kind of front method needs price higher, latter two method then requires that hot melt adhesive is necessary for powdery, and the pulverizing process of hot melt adhesive carries out usually in liquid nitrogen deep comminutor, need relatively large sample, generally need about 2Kg, and need configure dedicated disintegrating apparatus.
But in the development stage of hot melt adhesive product, gained sample is less, and is mostly strip or bulk, if detect properties of product by above-mentioned detection method, then need the more sample of preparation and be equipped with corresponding professional equipment, cost is higher.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, a kind of method of novel evaluation hot melt adhesive adhesive property is provided, makes the sample of development gained, Performance Detection timely and effectively can be obtained.
The technical solution adopted in the present invention is: a kind of method of novel evaluation hot melt adhesive adhesive property, comprises the steps:
(1) with electric hot plate by hot melt adhesive melting, with glass bar, the sample after melting is pumped into silk, is cut into some isometric hot-melt rayon yarns subsequently;
(2) according to the grouping of those hot-melt rayon yarns of the large young pathbreaker of quality, the close person of every N1 root quality is one group, calculates the average quality record of often organizing hot-melt rayon yarns, selects the N2 group hot-melt rayon yarns that average quality is G;
(3) being evenly arranged in often organizing hot-melt rayon yarns between two base materials to be glued respectively, forming sample with after pressing machine lamination, under room temperature, cooling placement one Preset Time;
(4) the peeling force F of each sample is tested with the strong instrument of stripping
iand record;
(5) width W peeling off each hot-melt rayon yarns in rear each sample is measured
iand record;
(6) the strong P of stripping often organizing hot-melt rayon yarns is calculated
i, and P
i=F
i/ ∑ W
i;
(7) stripping strong P, P=(the ∑ P of hot melt adhesive sample is calculated
i)/N2.
In above-mentioned steps (1), the length of hot-melt rayon yarns is 40 ~ 60mm, is preferably 50mm;
In above-mentioned steps (2), quality is close to be referred to that the weight of every root hot-melt rayon yarns differs with average weight and is no more than 5%; Average weight G is 0.005 ~ 0.008g; N1 is 4, N2 is 3, and the hot-melt rayon yarns that namely every 4 quality are close is one group, and selects 3 groups of hot-melt rayon yarns that average weight is G;
In above-mentioned steps (3), described two base materials are cloth, and size is 50mm × 100mm, and described hot-melt rayon yarns is evenly arranged along the length direction of base material, and the distance between every root hot-melt rayon yarns is 8 ~ 11mm; Above-mentioned Preset Time is 4.0h;
The laminating temperature of above-mentioned pressing machine is lower 5 ~ 15 DEG C than the whole fusing point of the DSC of hot melt adhesive, and lamination pressure is 0.3MPa.
Innovation of the present invention is: propose to know clearly a kind of hot melt adhesive adhesive property fast appraisement method reeled off raw silk from cocoons based on melting, the method is applicable to the hot melt adhesive of the various forms such as powdery, bulk, strip, be specially adapted to the hot melt adhesive of lab scale development non-powder, can without the need to specialized equipment needed for transfer printing or powder process, performance test evaluation is timely and effectively carried out to sample product, to determine best formula and process conditions.
Accompanying drawing explanation
Fig. 1 is hot-melt rayon yarns arrangement schematic diagram;
Fig. 2 is hot-melt rayon yarns schematic diagram after lamination and stripping;
Fig. 3 is hot-melt rayon yarns close-up schematic view after lamination and stripping;
In figure, 1 is base material fabric, and 2 is hot-melt rayon yarns, and A is that close-up schematic view shows symbol, W
ifor peeling off the width of rear each single hot-melt rayon yarns.
Embodiment
Embodiment 1
Get the whole fusing point 165 DEG C of the block copolyester hot melt adhesive 10g(DSC of model JCC-3145), heating and melting on the electric hot plate of power 1000w, reel off raw silk from cocoons with glass bar and be cut into the silk that some length are 50mm, three groups totally 12 are chosen after being weighed by analytical balance, each group of average quality is respectively 0.0071g, 0.0068g and 0.0061g, four rhizoids often organized, by between the fabric 6535 being emitted on two chip sizes shown in Fig. 1 and being 50mm × 100mm, can obtain test specimens T through pressing machine lamination successively
1, T
2and T
3, laminating temperature is 150 DEG C, and lamination pressure is 0.3MPa, at room temperature cools 4.0 h after lamination, the peeling force F of each sample
imeasured by peel strength tester, the width W of each single hot-melt rayon yarns after peeling off
i(as shown in Figure 2) measure, according to formula P after being amplified by electron microscope
i=F
i/ ∑ W
ithe stripping calculating each group of sample is strong, then according to formula P=(∑ P
ithe stripping that)/3 calculate hot melt adhesive product is strong, and related data result is as shown in table 1 below.
The peel strength test data of the block copolyester hot melt adhesive of table 1:JCC-3145.
Embodiment 2
Get the whole fusing point 102 DEG C of the granular copolyester hot melt adhesive 10g(DSC of model JCC-3110), heating and melting on the electric hot plate of power 1000w, reel off raw silk from cocoons with glass bar and be cut into the silk that some length are 50mm, three groups totally 12 are chosen after being weighed by analytical balance, each group of average quality is respectively 0.0079g, 0.0068g and 0.0072g, four rhizoids often organized, by between the fabric 6535 being emitted on two chip sizes shown in Fig. 1 and being 50mm × 100mm, can obtain test specimens T through pressing machine lamination successively
4, T
5and T
6, laminating temperature is 90 DEG C, and lamination pressure is 0.3MPa, at room temperature cools 4.0 h after lamination, the peeling force F of each sample
imeasured by peel strength tester, the width W of each single hot-melt rayon yarns after peeling off
i(as shown in Figure 2) measure, according to formula P after being amplified by electron microscope
i=F
i/ ∑ W
ithe stripping calculating each group of sample is strong, then according to formula P=(∑ P
ithe stripping that)/3 calculate hot melt adhesive product is strong, and related data result is as shown in table 2 below.
The peel strength test data of the granular copolyester hot melt adhesive of table 2:JCC-3110.
For verifying the validity of technical scheme proposed by the invention, extract the granular copolyester hot melt adhesive 2000g of the block copolyester hot melt adhesive 2000g and model JCC-3110 of model JCC-3145, after pulverizing in liquid nitrogen deep comminutor respectively, adopt routine teach mode inspergation make hot melt glutinous lining, as shown in CN200810033752.2, successively through slurry preparation, be coated with scrape, the step such as melting sizing, having prepared grammes per square metre is respectively 9.7 g/m
2with 9.8 g/m
2re Rong Nian Cun, by pressing machine, the fabric 6535 of size 50mm × 100mm is carried out lamination with the above-mentioned Re Rong Nian Cun of same size again, obtain test specimens, measured by peel strength tester after cooling 4h under room temperature, gained peel strength is respectively 11.5 N/2.5cm and 7.77 N/2.5cm, the ratio of JCC-3145 and JCC-3110 peel strength value is the stripping epistasis energy that the stripping epistasis of 1.48:1, JCC-3145 can be better than JCC-3110.Measured by embodiment 1 and embodiment 2, data calculate, and the ratio of the peel strength of above-mentioned two kinds of copolyester hot melt adhesives is the stripping epistasis energy that the stripping epistasis of 1.50:1, JCC-3145 can be better than JCC-3110.Namely as can be seen here, method proposed by the invention is effective.
A kind of hot melt adhesive adhesive property fast appraisement method reeled off raw silk from cocoons based on melting proposed by the invention, be applicable to the hot melt adhesive of the various forms such as powdery, bulk, strip, be specially adapted to the hot melt adhesive of lab scale development non-powder, can without the need to specialized equipment needed for transfer printing or powder process, performance test evaluation is timely and effectively carried out to sample product, to determine best formula and process conditions.
Claims (9)
1. a method for novel evaluation Hot Melt Adhesives for Textiles adhesive property, is characterized in that, comprise following key step:
(1) with electric hot plate by hot melt adhesive melting, with glass bar, the sample after melting is pumped into silk, is cut into some isometric hot-melt rayon yarns subsequently;
(2) according to the grouping of those hot-melt rayon yarns of the large young pathbreaker of quality, the close person of every N1 root quality is one group, calculates the average quality record of often organizing hot-melt rayon yarns, selects the N2 group hot-melt rayon yarns that average quality is G;
(3) being evenly arranged in often organizing hot-melt rayon yarns between two clothes to be glued respectively, forming sample with after pressing machine lamination, under room temperature, cooling placement one Preset Time;
(4) the peeling force F of each sample is tested with the strong instrument of stripping
iand record;
(5) width W peeling off each hot-melt rayon yarns in rear each sample is measured
iand record;
(6) the strong P of stripping often organizing hot-melt rayon yarns is calculated
i, and P
i=F
i/ ∑ W
i;
(7) stripping strong P, P=(the ∑ P of hot melt adhesive sample is calculated
i)/N2.
2. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, is characterized in that, in described step (1), the length of hot-melt rayon yarns is 40 ~ 60mm.
3. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 2, is characterized in that, in described step (1), the length of hot-melt rayon yarns is 50mm.
4. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, is characterized in that, in described step (2), quality is close to be referred to that the quality of every root hot-melt rayon yarns differs with average quality and be no more than 5%.
5. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, is characterized in that, in described step (2), average quality G is 0.005 ~ 0.008g.
6. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, is characterized in that, in described step (2), N1 is 4, N2 is 3, and the hot-melt rayon yarns that namely every 4 quality are close is one group, and selects 3 groups of hot-melt rayon yarns that average quality is G.
7. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, it is characterized in that, in described step (3), the size of described two base materials is 50mm × 100mm, described hot-melt rayon yarns is evenly arranged along the length direction of base material, and the distance between every root hot-melt rayon yarns is 8 ~ 11mm.
8. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, is characterized in that, in described step (3), described Preset Time is 4.0h.
9. the method for novel evaluation Hot Melt Adhesives for Textiles adhesive property as claimed in claim 1, is characterized in that, the laminating temperature of described pressing machine is lower 5 ~ 15 DEG C than the whole fusing point of the DSC of described hot melt adhesive, and lamination pressure is 0.3MPa.
Priority Applications (1)
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|---|---|---|---|
| CN201410796055.8A CN104483264B (en) | 2014-12-18 | 2014-12-18 | A kind of method of new evaluation PUR adhesive property |
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|---|---|---|---|
| CN201410796055.8A CN104483264B (en) | 2014-12-18 | 2014-12-18 | A kind of method of new evaluation PUR adhesive property |
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| CN104483264B CN104483264B (en) | 2017-09-26 |
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Cited By (3)
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| CN105699207A (en) * | 2016-04-11 | 2016-06-22 | 广州南沙珠江啤酒有限公司 | Method for detecting heat resistance of hot melt adhesive for sealing |
| 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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Cited By (4)
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|---|---|---|---|---|
| CN105699207A (en) * | 2016-04-11 | 2016-06-22 | 广州南沙珠江啤酒有限公司 | Method for detecting heat resistance of hot melt adhesive for sealing |
| CN105699207B (en) * | 2016-04-11 | 2018-05-25 | 广州南沙珠江啤酒有限公司 | A kind of joint sealing hot melt adhesive heat resistance detection method |
| 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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|---|---|
| CN104483264B (en) | 2017-09-26 |
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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 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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 |
|
| CP01 | Change in the name or title of a patent holder |