CN112266756A - Hot melt adhesive for radiographic inspection - Google Patents
Hot melt adhesive for radiographic inspection Download PDFInfo
- Publication number
- CN112266756A CN112266756A CN202011209751.6A CN202011209751A CN112266756A CN 112266756 A CN112266756 A CN 112266756A CN 202011209751 A CN202011209751 A CN 202011209751A CN 112266756 A CN112266756 A CN 112266756A
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- CN
- China
- Prior art keywords
- hot melt
- melt adhesive
- resin
- coating
- tackifier
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J177/00—Adhesives based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a hot melt adhesive for ray detection, which comprises resin, a tackifier, a viscosity regulator, an antioxidant and an X-ray marker, wherein the tackifier is a mixture of a water-soluble resin and a water-soluble resin; wherein, 88 to 96 parts of resin, 1 to 5 parts of tackifier, 0.5 to 3 parts of viscosity regulator, 1 to 5 parts of antioxidant and 1 to 5 parts of X-ray marker. According to the invention, high-density substances (such as barium sulfate and the like) identified by X-rays are added as markers, a coating image is obtained by the radiation of the X-rays, whether the coating is adhered in place or whether the coating is adhered due to glue overflow or not is judged by position comparison, and whether the adhesion of the glue coating is reliable or not can be judged by the depth of the image transmittance of the coating.
Description
Technical Field
The invention relates to a hot melt adhesive for ray detection, and belongs to the technical field of adhesives.
Background
The hot melt adhesive has the advantages of high strength, aging resistance, no toxicity, good thermal stability and the like. The product can be used for mutually adhering and bonding objects such as wood, plastics, fibers, fabrics, metal, furniture, lampshades, leather, artware, toy electronics, electrical appliance components, paper products, ceramics, pearl wool packages and the like, and can be widely used in factories and families.
The hot melt adhesive is white and non-transparent, is non-toxic and convenient to operate, has no carbonization phenomenon after being continuously used, and has the characteristics of quick adhesion, high strength, aging resistance, no toxicity, good thermal stability, adhesive film toughness and the like.
With the development of economy, most of products are produced in an automatic assembly line mode, the yield is high, and the quality is not easy to control in a manual spot check mode. Because the related products are bonded with the related components through the hot melt adhesive in the bonding process, the hot melt adhesive is not exposed, and therefore, the coating quality of the glue cannot be judged from the appearance. Conventional machine vision techniques are as visible to the human eye, detecting only the appearance, and not the interior. Therefore, the coating quality of the glue cannot be checked with conventional machine vision techniques.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the hot melt adhesive for the ray detection, which is simple to operate and convenient for the X-ray detection.
In order to achieve the purpose, the invention is realized by the following technical scheme: the hot melt adhesive for ray detection comprises resin, tackifier, viscosity regulator, antioxidant and X-ray marker.
Preferably, it consists of:
preferably, it consists of:
preferably, it consists of:
preferably, the X-ray marker is a high-density substance for X-ray identification.
Preferably, the X-ray identified high density substance is barium sulfate.
By adopting the technical scheme, barium sulfate is added as a marker, a coating image is obtained by the radiation of X-ray, whether the coating is adhered in place or whether the coating is adhered due to glue overflow or not is judged by position comparison, and whether the adhesion of the glue coating is reliable or not can be judged by the depth of the image transmittance of the coating.
Preferably, the tackifier is one of rosin, C5 petroleum resin, C9 petroleum resin and terpene resin; the resin is one of EVA resin, polyurethane, polyester and polyamide resin.
Preferably, the tackifier is terpene resin, and the resin is EVA resin.
By adopting the technical scheme, the tackifier is one of the main additives of the hot melt adhesive. If only the basic resin is used for melting, the adhesive force is generated at a certain temperature, and after the temperature is reduced, the paper is difficult to wet and penetrate, the adhesive capacity is lost, and the adhesive effect cannot be achieved; the addition of the tackifier can improve the fluidity of the colloid and the wettability to an adherend, improve the adhesive property and achieve the required adhesive strength.
Preferably, the viscosity regulator is one of paraffin, synthetic wax and floaton wax.
Preferably, the viscosity modifier is paraffin wax.
By adopting the technical scheme, the viscosity regulator is also one of the main additives of the hot melt adhesive. The function of the adhesive is to increase the fluidity of the adhesive and adjust the solidification speed so as to achieve the purpose of fast and firm bonding, otherwise, the hot melt adhesive has too high viscosity, can not flow or is difficult to flow, is difficult to permeate into the signatures, and can not bond firmly. The viscosity regulator with low softening point is added, so that the purposes of good penetration and firm adhesion during adhesion can be achieved.
Preferably, the antioxidant is an antioxidant TBM.
By adopting the technical scheme, the proper amount of antioxidant is added to prevent the premature aging of the EVA hot melt adhesive. Because the colloid can be oxidized and decomposed at a higher temperature during melting, the addition of the antioxidant can ensure that the bonding property is not changed under the high-temperature condition.
The invention has the beneficial effects that:
according to the invention, barium sulfate and the like are added as markers, a coating image is obtained by using the radiation of X-ray, whether the coating is adhered in place or whether the coating is adhered due to glue overflow is judged by position comparison, and whether the adhesion of the glue coating is reliable can be judged by the depth of the image transmittance of the coating.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The hot melt adhesive component contents of examples 1-8 are shown in table 1.
TABLE 1 Hot melt adhesive component content of examples 1-8
The preparation method comprises the following steps: and (3) placing the resin at 50 ℃ for 2000r/min, stirring for 15min, then sequentially adding the tackifier, the viscosity regulator and the antioxidant, continuously stirring, after 20min, adding barium sulfate, stirring for 15min, standing, and cooling to obtain a final product.
Test example 1
Putting 90g of EVA resin at 50 ℃ for 2000r/min, stirring for 15min, then sequentially adding 2g of terpene resin, 1g of paraffin and 1g of antioxidant TBM, continuously stirring, after 20min, respectively adding 1g, 3g, 5g, 7g, 9g, 11g, 13g and 15g of barium sulfate, respectively marking as a test group 1-a test group 8, stirring for 15min, standing and cooling to obtain a final product, wherein the product performance is shown in Table 2.
TABLE 2 product Performance testing
| Barium sulfate/g | adhesion/(N/25 mm) | Peel strength/(N/m) | X-ray imaging | |
| Control group | 0 | 8.25 | 128 | Is free of |
| Test group 1 | 1 | 8.26 | 128 | A little, but not clear |
| Test group 2 | 3 | 8.24 | 127 | Is provided with, clear |
| Test group 3 | 5 | 8.25 | 127 | It is clear that |
| Test group 4 | 7 | 8.25 | 122 | It is clear that |
| Test group 5 | 9 | 8.13 | 120 | It is clear that |
| Test group 6 | 11 | 8.04 | 118 | It is clear that |
| Test group 7 | 13 | 7.95 | 114 | It is clear that |
| Test group 8 | 15 | 7.89 | 108 | It is clear that |
Measurement of adhesive force: the hot melt adhesives of the control and test groups 1-8 were coated in the molten state between two sheets of paper, respectively, with a thickness of about 0.5mm and an area of about 25 mm.
As can be seen from Table 2, the X-ray imaging becomes clearer as the amount of barium sulfate is increased, the larger the barium sulfate content is, the better the X-ray imaging is, but as the barium sulfate content is increased, the adhesion and peel strength tend to increase first and then decrease, and considering comprehensively, the barium sulfate of the present invention is preferably 3g within the range of 1-3 g.
Test example 2
Putting 93g of EVA resin at 50 ℃ for 2000r/min, stirring for 15min, then sequentially adding 2g of tackifier, 1g of paraffin and 1g of antioxidant TBM, continuously stirring, adding 3g of barium sulfate after 20min, stirring for 15min, standing and cooling to obtain a final product, wherein the tackifier is one of rosin, C5 petroleum resin, C9 petroleum resin and terpene resin, and is sequentially marked as test group 9-test group 12, and the product performance is shown in Table 3.
TABLE 3 product Performance test in test example 2
As shown in Table 3, the adhesion and peel strength of the various tackifiers had a slight effect, and the tackifiers used in test group 12 were terpene resins, which had higher values of adhesion and peel strength than the rosin, C5 petroleum resin and C9 petroleum resin, and thus the tackifier of the present invention was preferably a terpene resin.
Test example 3
Putting 93g of EVA resin at 50 ℃, stirring for 15min at 2000r/min, then sequentially adding 2g of terpene resin, 1g of viscosity regulator and 1g of antioxidant TBM, continuously stirring, after 20min, adding 3g of barium sulfate, stirring for 15min, standing and cooling to obtain a final product, wherein the viscosity regulator is one of paraffin, synthetic wax and phoropton, and is sequentially marked as test group 13-test group 15, and the product performance is shown in Table 4.
TABLE 4 product Performance test in test example 3
As can be seen from Table 4, the viscosity modifier of the present invention is preferably paraffin wax because the viscosity modifier in test group 13, which is paraffin wax, has higher values of adhesion and peel strength than synthetic wax and Flot wax, has a slight influence on the adhesion and peel strength of the product.
In conclusion, the invention obtains the coating image through the irradiation of X-ray by adding the marker barium sulfate, judges whether the coating is adhered in place through position comparison, and judges whether the adhesion of the glue coating is reliable through the depth of the image transmittance of the coating. And the preparation method is simple, low in cost and easy to operate.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The hot melt adhesive for the ray detection comprises resin, a tackifier, a viscosity regulator and an antioxidant, and is characterized by further comprising an X-ray marker.
2. The hot melt adhesive for radiation detection according to claim 1, which is prepared from the following substances:
3. the hot melt adhesive for radiation detection according to claim 2, which is characterized by comprising the following substances:
4. the hot melt adhesive for radiation detection according to claim 3, which is prepared from the following substances:
5. the hot melt adhesive for radiation detection according to any one of claims 1 to 4, wherein the X-ray marker is a high-density substance for X-ray identification.
6. The hot melt adhesive for radiation detection according to claim 5, wherein the high-density substance identified by X-rays is barium sulfate.
7. The hot melt adhesive for radiation detection according to claim 5, wherein the tackifier is one of rosin, C5 petroleum resin, C9 petroleum resin and terpene resin; the resin is one of EVA resin, polyurethane, polyester and polyamide resin.
8. The hot melt adhesive for radiation detection according to claim 7, wherein the tackifier is terpene resin, and the resin is EVA resin.
9. The hot melt adhesive for radiation detection according to claim 5, wherein the viscosity regulator is one of paraffin wax, synthetic wax and fondaparinux wax.
10. The hot melt adhesive for radiation detection according to claim 5, wherein the antioxidant is antioxidant TBM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209751.6A CN112266756A (en) | 2020-11-03 | 2020-11-03 | Hot melt adhesive for radiographic inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209751.6A CN112266756A (en) | 2020-11-03 | 2020-11-03 | Hot melt adhesive for radiographic inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112266756A true CN112266756A (en) | 2021-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011209751.6A Pending CN112266756A (en) | 2020-11-03 | 2020-11-03 | Hot melt adhesive for radiographic inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112266756A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388343A (en) * | 2021-06-15 | 2021-09-14 | 杭州亿奥光电有限公司 | Glue for paper bag bonding |
| CN113549420A (en) * | 2021-09-03 | 2021-10-26 | 广东巨圣新材料科技有限公司 | Reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and preparation method thereof |
| WO2023119015A1 (en) | 2021-11-29 | 2023-06-29 | Colquímica-Indústria Nacional De Colas, S.A | X-rays detectable hot melt adhesive |
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| GB884143A (en) * | 1957-05-29 | 1961-12-06 | British Enka Ltd | Improvements in or relating to x-ray detectable thread |
| GB8501202D0 (en) * | 1985-01-17 | 1985-02-20 | Carus S G | Radio opaque materials |
| US4713235A (en) * | 1981-05-26 | 1987-12-15 | Crx Medical, Inc. | Radiopaque cyanoacrylates |
| US4935019A (en) * | 1986-12-22 | 1990-06-19 | Johnson & Johnson Medical, Inc. | Radiopaque polymeric composition |
| US4940633A (en) * | 1989-05-26 | 1990-07-10 | Hermansen Ralph D | Method of bonding metals with a radio-opaque adhesive/sealant for void detection and product made |
| CN102286257A (en) * | 2011-06-16 | 2011-12-21 | 上海邦中高分子材料有限公司 | Special high temperature resistant adhesive resins for steel-plastic composite pipe and preparation method thereof |
| CN103387803A (en) * | 2013-07-01 | 2013-11-13 | 江苏达胜热缩材料有限公司 | Hot melt adhesive |
| CN103602289A (en) * | 2013-10-28 | 2014-02-26 | 江苏达胜热缩材料有限公司 | Pipeline joint watertightness anticorrosion hot melt adhesive |
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| CN104449521A (en) * | 2014-12-23 | 2015-03-25 | 中国科学院长春应用化学研究所 | Hot melt adhesive composition and preparation method thereof |
-
2020
- 2020-11-03 CN CN202011209751.6A patent/CN112266756A/en active Pending
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| US4713235A (en) * | 1981-05-26 | 1987-12-15 | Crx Medical, Inc. | Radiopaque cyanoacrylates |
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| CN102286257A (en) * | 2011-06-16 | 2011-12-21 | 上海邦中高分子材料有限公司 | Special high temperature resistant adhesive resins for steel-plastic composite pipe and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388343A (en) * | 2021-06-15 | 2021-09-14 | 杭州亿奥光电有限公司 | Glue for paper bag bonding |
| CN113549420A (en) * | 2021-09-03 | 2021-10-26 | 广东巨圣新材料科技有限公司 | Reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and preparation method thereof |
| WO2023119015A1 (en) | 2021-11-29 | 2023-06-29 | Colquímica-Indústria Nacional De Colas, S.A | X-rays detectable hot melt adhesive |
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Application publication date: 20210126 |
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