CN105315527A - Neoprene-based UL yellow adhesive and preparation method thereof - Google Patents
Neoprene-based UL yellow adhesive and preparation method thereof Download PDFInfo
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Abstract
The invention provides a neoprene-based UL yellow adhesive. The neoprene-based UL yellow adhesive is prepared from, by weight, 35-45 parts of neoprene, 13-18 parts of tackifying resin, 0.2-0.5 part of an anti-aging agent, 100-120 parts of organic solvent, 1-2 parts of pigments, 0.5-1 part of a stabilizing agent, 0.5-1 part of a thickening agent, 0.1-0.2 part of an accelerator, 1-2 parts of a coagulating agent, 8-10 parts of EVA emulsion and 10-15 parts of palygorskite. The invention further provides a preparation method of the neoprene-based UL yellow adhesive. The neoprene-based UL yellow adhesive has the better flame retardance and cold resistance.
Description
Technical field:
The present invention relates to the yellow glue of a kind of UL, particularly relate to yellow glue of a kind of chloroprene rubber base UL and preparation method thereof.
Background technology:
The yellow glue of electronics, that one has ambient temperature curable, easy to operate, bonding strength is high, not wire drawing, not sagging, quick position, snappiness, glued membrane hardness is high, the nontoxic sizing agent waiting many merits of cured article, be applied to various electronic apparatus, as power supply, indicating meter electronic component, electrical equipment, sound equipment, the insulation of the parts such as optics, dust-proof, shockproof is fixing, fill and now, the manufactures such as the air-filtering of backing fender and robot calculator, aluminium, the metals such as iron, ABS, the now of the hard plastics such as acryl, printed circuit board (PCB) and laser phonograph internals fixing, and the electronic product of welding engineering is fixing.The main component of yellow glue is chloroprene rubber, and outward appearance is yellow solution.The yellow glue of UL is the wherein a kind of of the yellow glue of electronics, and its main characteristic is that flame retardant resistance is comparatively strong, and the flame retardant resistance of common chloroprene rubber adhesive is not good, and winter hardiness is poor, limits its range of application.
The Chinese patent application that publication number is CN104073200A, publication date is 2014.10.01, application people is Anhui Shenzhou spacecraft Jiao Ye company limited discloses " environment-friendly type graft chloroprene rubber sizing agent and preparation technology thereof ", relate to a kind of chloroprene rubber adhesive, its composition mainly comprises: toluene, methylethylketone, chloroprene rubber DCR-10, MMA, gasoline, BPO, BHT, resol, water, by toluene and methylethylketone mixing, in mixing process, add 8 parts of water mix; Mixed solvent and chloroprene rubber DCR-10 are joined in bottle, stirs, 7 hours; Heating bottle, to 83 DEG C, adds MMA, continues stirring 1 hour; Add BPO, graft reaction controls at 6 hours; Solution viscosity adds BHT when 18500-19000mPa.s, adds gasoline and remaining water dilutes simultaneously; Stir, to solution to 45 DEG C, add resol until all dissolve; Blowing, sealing is preserved.This characteristic feature of an invention is nontoxic, nonflammable, and technique is simple, and property favorable rates is honest and clean, of many uses, practical.But, also there is flame retardant resistance and the not good problem of winter hardiness in this sizing agent.
Summary of the invention:
The technical problem to be solved in the present invention is to provide the yellow glue of a kind of chloroprene rubber base UL, and it has good flame retardant resistance and winter hardiness.
For solving the problems of the technologies described above, technical scheme of the present invention is:
The yellow glue of a kind of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 35 ~ 45 parts, tackifying resin 13 ~ 18 parts, 0.2 ~ 0.5 part, anti-aging agent, organic solvent 100 ~ 120 parts, pigment 1 ~ 2 part, stablizer 0.5 ~ 1 part, thickening material 0.5 ~ 1 part, promotor 0.1 ~ 0.2 part, condensing agent 1 ~ 2 part, EVA emulsion 8 ~ 10 parts, polygorskite 10 ~ 15 parts.
Preferably, tackifying resin of the present invention is Gum Rosin.
Preferably, anti-aging agent of the present invention is anti-aging agent PPD.
Preferably, organic solvent of the present invention is dimethylbenzene or toluene.
Preferably, pigment of the present invention is diarylide yellow.
Preferably, stablizer of the present invention is Zinic stearas.
Preferably, thickening material of the present invention is Walocel MT 20.000PV.
Preferably, promotor of the present invention is Vulcanization accelerator TMTD.
Preferably, condensing agent of the present invention is acetic acid.
Another technical problem that the present invention will solve is to provide the preparation method of the yellow glue of above-mentioned chloroprene rubber base UL.
For solving the problems of the technologies described above, technical scheme is:
A preparation method for the yellow glue of chloroprene rubber base UL, its step is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, organic solvent, stablizer add stirring tank, under 600r/min stirring velocity, tackifying resin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
Therefore compared with prior art, the present invention has following beneficial effect:
(1) polygorskite a kind of layer of chain-like structure containing Shuifu County's zeopan clay mineral, containing various forms of water in its structure, water can be discharged with different releasing patterns along with the difference of temperature in burning situation, reach the effect that fire extinguishing is fire-retardant, it is the good natural fire retardant of flame retardant properties, but its surface presents wetting ability owing to having hydrophilic radical, and the consistency between hydrophobic chloroprene rubber group and interface binding force poor, therefore the present invention adopts aluminum-zirconium coupling agent to carry out surface modification treatment to it, there is hydrophobic aluminum-zirconium coupling agent and polygorskite there occurs bonding reaction, the wetting ability on polygorskite surface is become hydrophobicity, hence improve the consistency between polygorskite and chloroprene rubber matrix and interface binding force, improve the oxygen index of the yellow glue of UL, greatly strengthen the flame retardant properties of the yellow glue of UL.
(2) EVA is that the English of ethylene-vinyl acetate copolymer is write a Chinese character in simplified form, 3 large classes are divided into according to the large I of content of vinyl acetate between to for plastic (VA), it is EVA emulsion when wherein VA content is 70-95%, higher VA content adds the flexibility of EVA emulsion, make it still can keep good performance at low ambient temperatures, there is good resistance to low temperature, and the consistency of EVA emulsion and chloroprene rubber is fine, therefore EVA emulsion and chloroprene rubber can form good blending structure, thus effectively improve the winter hardiness of the yellow glue of UL.
Embodiment:
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1
The yellow glue of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 40 parts, Gum Rosin 14 parts, anti-aging agent PPD0.2 part, dimethylbenzene 120 parts, diarylide yellow 1.4 parts, Zinic stearas 0.7 part, Walocel MT 20.000PV 0.6 part, TM monex TTD0.1 part, acetic acid 1.8 parts, EVA emulsion 8.5 parts, polygorskite 12 parts.
The step of its preparation method is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, dimethylbenzene, Zinic stearas add stirring tank, under 600r/min stirring velocity, Gum Rosin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
Embodiment 2
The yellow glue of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 45 parts, Gum Rosin 13 parts, anti-aging agent PPD0.4 part, toluene 110 parts, diarylide yellow 1.2 parts, Zinic stearas 0.9 part, Walocel MT 20.000PV 0.8 part, TM monex TTD0.2 part, acetic acid 1.2 parts, EVA emulsion 8 parts, polygorskite 11 parts.
The step of its preparation method is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, toluene, Zinic stearas add stirring tank, under 600r/min stirring velocity, Gum Rosin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
Embodiment 3
The yellow glue of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 44 parts, Gum Rosin 17 parts, anti-aging agent PPD0.5 part, dimethylbenzene 100 parts, diarylide yellow 1.6 parts, Zinic stearas 0.6 part, Walocel MT 20.000PV 1 part, TM monex TTD0.1 part, acetic acid 1.5 parts, EVA emulsion 10 parts, polygorskite 13 parts.
The step of its preparation method is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, dimethylbenzene, Zinic stearas add stirring tank, under 600r/min stirring velocity, Gum Rosin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
Embodiment 4
The yellow glue of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 35 parts, Gum Rosin 18 parts, anti-aging agent PPD0.3 part, dimethylbenzene 115 parts, diarylide yellow 1.5 parts, Zinic stearas 0.8 part, Walocel MT 20.000PV 0.5 part, TM monex TTD0.2 part, acetic acid 1.4 parts, EVA emulsion 9 parts, polygorskite 15 parts.
The step of its preparation method is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, dimethylbenzene, Zinic stearas add stirring tank, under 600r/min stirring velocity, Gum Rosin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
Embodiment 5
The yellow glue of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 36 parts, Gum Rosin 15 parts, anti-aging agent PPD0.2 part, toluene 105 parts, diarylide yellow 2 parts, Zinic stearas 0.5 part, Walocel MT 20.000PV 0.7 part, TM monex TTD0.1 part, acetic acid 2 parts, EVA emulsion 9.5 parts, polygorskite 10 parts.
The step of its preparation method is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, toluene, Zinic stearas add stirring tank, under 600r/min stirring velocity, Gum Rosin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
Embodiment 6
The yellow glue of chloroprene rubber base UL, by weight, is made up of following component: chloroprene rubber 42 parts, Gum Rosin 16 parts, anti-aging agent PPD0.4 part, toluene 108 parts, diarylide yellow 1 part, Zinic stearas 1 part, Walocel MT 20.000PV 0.9 part, TM monex TTD0.2 part, acetic acid 1 part, EVA emulsion 8.8 parts, polygorskite 14 parts.
The step of its preparation method is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, toluene, Zinic stearas add stirring tank, under 600r/min stirring velocity, Gum Rosin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
After tested, flame retardant resistance and the winter hardiness of embodiment 1-6 and comparative example are as shown in the table, wherein,
The Chinese patent of comparative example to be publication number be CN104073200A.
Flame retardant resistance is with reference to testing standard GB/T2406.2-2009, and adopt oxygen index tester to test the oxygen index of each sizing agent, oxygen index is higher, and flame retardant resistance is better.
Winter hardiness test process is: each sizing agent is placed in vial, refrigerator and cooled vial being put into-10 DEG C freezes 1 day, and the water-bath of then putting into 30 DEG C is melted 1 hour, observation sizing agent situation, breakdown of emulsion, unduly thickening are not considered as qualified, otherwise are considered as defective.
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example | |
| Oxygen index | 27.7 | 28.3 | 27.3 | 27.6 | 28.5 | 27.8 | 16.4 |
| Winter hardiness | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Defective |
As seen from the above table, the oxygen index of embodiment of the present invention 1-6, all apparently higher than comparative example, proves that flame retardant resistance of the present invention is better; The winter hardiness test performance of embodiment of the present invention 1-6 is qualified, and the performance of comparative example is then defective, proves that winter hardiness of the present invention is better.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. the yellow glue of chloroprene rubber base UL, is characterized in that: by weight, is made up of following component: chloroprene rubber 35 ~ 45 parts, tackifying resin 13 ~ 18 parts, 0.2 ~ 0.5 part, anti-aging agent, organic solvent 100 ~ 120 parts, pigment 1 ~ 2 part, stablizer 0.5 ~ 1 part, thickening material 0.5 ~ 1 part, promotor 0.1 ~ 0.2 part, condensing agent 1 ~ 2 part, EVA emulsion 8 ~ 10 parts, polygorskite 10 ~ 15 parts.
2. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described tackifying resin is Gum Rosin.
3. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described anti-aging agent is anti-aging agent PPD.
4. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described organic solvent is dimethylbenzene or toluene.
5. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described pigment is diarylide yellow.
6. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described stablizer is Zinic stearas.
7. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described thickening material is Walocel MT 20.000PV.
8. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described promotor is Vulcanization accelerator TMTD.
9. the yellow glue of a kind of chloroprene rubber base UL according to claim 1, is characterized in that: described condensing agent is acetic acid.
10. the preparation method of the yellow glue of a kind of chloroprene rubber base UL according to claim 1 ~ 9 any one, is characterized in that: its step is as follows:
(1) mixing machine is added after dry 3 hours at polygorskite powder being placed in 100 DEG C, baking oven, aluminum-zirconium coupling agent is dissolved in dehydrated alcohol and obtains the coupling agent solution that mass concentration is 20%, coupling agent solution is evenly sprayed in the polygorskite powder in mixing machine, stir 15 minutes at 60 DEG C, taking-up to be placed in baking oven at 100 DEG C dry 3 hours, obtains modified paligorskite powder for subsequent use after naturally cooling to room temperature;
(2) by formula ratio, the modified paligorskite powder that chloroprene rubber, EVA emulsion, step (1) obtain is added high-speed mixer and mixing 10 minutes, to move in twin screw extruder 160-190 DEG C, screw speed is melt extrude under 500r/min condition, obtain base-material;
(3) base-material step (2) obtained by formula ratio, organic solvent, stablizer add stirring tank, under 600r/min stirring velocity, tackifying resin is added after stirring, stir and under 400r/min stirring velocity, add other components after 20 minutes, stir, obtain the yellow glue of chloroprene rubber base UL.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2021054976A (en) * | 2019-09-30 | 2021-04-08 | 株式会社ブリヂストン | Rubber composition, composite, hose, conveyor belt, crawler and tire |
| CN114874520A (en) * | 2022-05-19 | 2022-08-09 | 嘉兴学院 | Preparation method of anti-aging chloroprene rubber |
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| CN103805074A (en) * | 2014-02-20 | 2014-05-21 | 铜陵祥云消防科技有限责任公司 | Nano palygorskite-modified flame-retardant adhesive |
| CN104073200A (en) * | 2014-06-25 | 2014-10-01 | 安徽神舟飞船胶业有限公司 | Environment-friendly grafted chloroprene rubber adhesive and preparation process thereof |
| CN104371595A (en) * | 2014-10-30 | 2015-02-25 | 田琳琳 | Adhesive applied to conveying belt |
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| WO2008077093A1 (en) * | 2006-12-19 | 2008-06-26 | 3M Innovative Properties Company | Adhesive formulated from water emulsions of carboxylated ethylene /vinyl acetate polymers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021065245A1 (en) * | 2019-09-30 | 2021-04-08 | 株式会社ブリヂストン | Rubber composition, complex, hose, conveyor belt, crawler, and tire |
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| CN114874520B (en) * | 2022-05-19 | 2023-08-15 | 嘉兴学院 | Preparation method of anti-aging chloroprene rubber |
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