CN102786895B - Hot-melt adhesive for transparent PP (polypropylene) boxes and preparation method of hot-melt adhesive - Google Patents
Hot-melt adhesive for transparent PP (polypropylene) boxes and preparation method of hot-melt adhesive Download PDFInfo
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Abstract
The invention relates to a hot-melt adhesive for transparent PP (polypropylene) boxes and a preparation method of the hot-melt adhesive, in particular to a hot-melt pressure-sensitive adhesive of polyolefin and a preparation method of the hot-melt pressure-sensitive adhesive of polyolefin, belonging to the technical field of a macromolecular adhesive. The preparation method comprises the following steps: adding metallocene-catalyzed propylene wax, tackifying resin which is C5 hydrogenated petroleum resin, and antioxidant into an electric-heating reaction furnace for heating; starting stirring, adding amorphous poly alpha olefin (APAO) and maleic anhydride-modified polyolefin, heating and melting; vacuumizing and then packaging to obtain the product hot melt adhesive for transparent PP boxes. The hot-melt adhesive of the polyolefin provided by the invention is characterized by simple preparation process, excellent performance at high temperature and low temperature, no carbonization, good initial adhesion, good final strength and low cost. The components with low viscosity are added firstly and then the components with high viscosity are added in the component adding process; and the rotation load of stirring paddles in the whole stirring process can be reduced, the mixing time can be decreased and the production cost can be saved by the adding sequence of the components.
Description
Technical field
The present invention relates to a kind of PP transparent box with hot melt adhesive and preparation method thereof, be specifically related to a kind of polyolefins hot-fusible pressure-sensitive adhesive and preparation method thereof, belong to polymer viscose glue technical field.
Background technology
The polyolefins hot melt adhesive is a kind of new type bonding agent, does not contain any solvent, and pollution-free, production technique is simple, and is easy to use, of many uses, can be used for defending the aspects such as material articles for use, packing, bookbinding, timber, automobile industry.
Polyolefins hot melt adhesive normal temperature is solid-state, is melt into liquid state when being heated to 120 ~ 200 ℃, can be by spraying, roller coating and scrape coating method and use, be again solid-state when being cooled to room temperature, giving certain pressure after the melting gluing, cooling curing namely produces good adhesive effect.
Present bonding generally also with direct hot pressing and use polyurethanes hot melt adhesive for the PP transparent box on the market, directly hot pressing is because bonding two sides is 90 degree right angles, tension force is larger, PP box material again thin hot pressing temperature can not be too high and the time can not be long, therefore adhesive effect is general, use the polyurethane hot melt adhesive effect excellent but for sticking PP class material, need the PP base material is carried out the pre-treatment of corona or solvent before this hot melt adhesive applying glue, complex manufacturing, the polyurethanes hot melt adhesive is moisture-curable reaction type hot-fusible glue, set time is longer, tack a little less than, production process is long and cost is higher.Polyolefins hot melt adhesive technique of the present invention is simple, and high and low temperature is excellent, Non-carbonized, and tack is good, and final strength is good, lower cost.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned weak point, and a kind of hot melt adhesive that is fit to bonding PP transparent box and preparation method thereof is provided.
According to technical scheme of the present invention, a kind of PP transparent box hot melt adhesive, formula rate is as follows by weight: 0.2 ~ 0.5 part in 5 ~ 10 parts of 55 ~ 65 parts of unformed polyolefin A PAO, 20 ~ 30 parts of tackifying resin C 5 hydrogenated petroleum resins, 5 ~ 10 parts of metallocene catalysis Poly Propylene Waxes, maleic anhydride modified polyolefine and oxidation inhibitor;
Metallocene catalysis Poly Propylene Wax, tackifying resin C 5 hydrogenated petroleum resin and oxidation inhibitor are dropped into the heating that heats up in the electrically heated Reaktionsofen, open and stir, add unformed polyolefin A PAO and maleic anhydride modified polyolefine, heating and melting vacuumizes rear discharging packing and namely gets product P P transparent box hot melt adhesive.
Tackifying resin selects C 5 hydrogenated petroleum resin mainly to consider consistency with the unformed polyolefin A PAO of main body, therefore the petroleum resin of non-hydrogenation or rosin based resin and unformed APAO consistency is relatively poor does not select.
Adopting the main purpose of metallocene catalysis Poly Propylene Wax is the consistency of reduction system, improves the initial bonding strength to the PP base material.
Adopting maleic anhydride modified polyolefine is to consider to contain a small amount of softening agent in the PP material, softening agent slowly overflows in time, corrode gluing of surfaces, after of long duration, adhesive effect weakens, and can effectively improve after adopting maleic anhydride modified polyolefine, simultaneously the gluing of surfaces of PP transparent box has ink jet printing sometimes, adopts the anti-printing ink that can improve this tackiness agent behind the maleic anhydride modified polyolefine.
Antioxidant 1010 and irgasfos 168 that the weight ratios such as described oxidation inhibitor is are mixed.
The described PP transparent box preparation method of hot melt adhesive, step is as follows by weight:
(1) heating: 5 ~ 10 parts of metallocene catalysis Poly Propylene Waxes, 20 ~ 30 parts of tackifying resin C 5 hydrogenated petroleum resins and 0.2 ~ 0.5 part of oxidation inhibitor are dropped in the electrically heated Reaktionsofen, be warming up to 130 ~ 200 ℃, heating 20 ~ 40min;
(2) melting: open and stir, mixture in the whipping step (1), final stirring velocity is made as 100 ~ 150r/min, drops into 55 ~ 65 parts of unformed polyolefin A PAO and 5 ~ 10 parts of maleic anhydride modified polyolefine, be warming up to 160 ~ 200 ℃, until the whole meltings of reactant;
(3) vacuumize and discharging: the electrically heated Reaktionsofen is airtight, open vacuum pump so that in the Reaktionsofen vacuum tightness reach-0.08 ~-0.1MPa, the pumpdown time is 50 ~ 70min; Close vacuum pump, put vacuum to normal pressure, close heating, through the strainer filtering discharging;
(4) packing: with heat-resistant silicon oilpaper tipping step (3) gained finished product, packing namely gets product P P transparent box hot melt adhesive after the cooling.
Discharging can be auxiliary with compressor in the step (3), and filter screen is 150 orders, and pressure is 0.04 ~ 0.06MPa, and the discharging difficulty is then changed filter screen.
The present invention has following advantage: the polyolefins hot melt adhesive technique of the present invention's preparation is simple, and high and low temperature is excellent, Non-carbonized, and tack is good, and final strength is good, lower cost.When feeding intake, it throws first the less component of viscosity, the larger component of rear throwing viscosity, and this order of addition(of ingredients) can reduce the rotating load of stirring rake in the whole whipping process, reduces mixing time, saves production cost.
Embodiment
Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Unformed polyolefin A PAO is available from Evonik Degussa Corp. among the following embodiment, C 5 hydrogenated petroleum resin is available from Exxon Neftegas Limited, the metallocene catalysis Poly Propylene Wax is available from gram Lay benefactor department, maleic anhydride modified polyolefine is available from LG-DOW company, and oxidation inhibitor is available from Nanjing Holley bright science, industry and trade company limited.
Embodiment 1
Unformed polyolefin A PAO:60kg, C 5 hydrogenated petroleum resin: 25kg, metallocene catalysis polypropylene: 10kg, maleic anhydride modified polyolefine: 5kg, antioxidant 1010: 0.15kg, irgasfos 168: 0.15kg.
(1) heating: 10kg metallocene catalysis Poly Propylene Wax, 25kg tackifying resin C 5 hydrogenated petroleum resin and 0.3kg part oxidation inhibitor are dropped in the electrically heated Reaktionsofen, be warming up to 130 ℃, heating 40min;
(2) melting: open and stir, the mixture in the whipping step (1), final stirring velocity is made as 150r/min, drops into the unformed polyolefin A PAO of 60kg and the maleic anhydride modified polyolefine of 5kg, is warming up to 160 ℃, until the whole meltings of reactant;
(3) vacuumize and discharging: the electrically heated Reaktionsofen is airtight, open vacuum pump, so that vacuum tightness reaches-0.09MPa in the Reaktionsofen, the pumpdown time is 70min; Close vacuum pump, put vacuum to normal pressure, close heating, through the strainer filtering discharging;
(4) packing: with heat-resistant silicon oilpaper tipping step (3) gained finished product, packing namely gets product P P transparent box hot melt adhesive after the cooling.
This polyolefin hot-melt basic property is as follows:
Melt viscosity: 7000 ± 500mpas (180 ℃)
Softening temperature: 155 ± 5 ℃
Hot melt adhesive use temperature: 180～200 ℃
Hot melt adhesive Applicable temperature :-5 ℃～90 ℃.
Embodiment 2
Unformed polyolefin A PAO 55kg, tackifying resin C 5 hydrogenated petroleum resin 20kg, metallocene catalysis Poly Propylene Wax 5kg, maleic anhydride modified polyolefine 5kg, antioxidant 1010 0.1kg and irgasfos 168 0.1kg.
The described PP transparent box preparation method of hot melt adhesive, step is as follows:
(1) heating: 5kg metallocene catalysis Poly Propylene Wax, 20kg tackifying resin C 5 hydrogenated petroleum resin, antioxidant 1010 0.1kg and irgasfos 168 0.1kg are dropped in the electrically heated Reaktionsofen, be warming up to 200 ℃, heating 20min;
(2) melting: open and stir, the mixture in the whipping step (1), final stirring velocity is made as 100r/min, drops into the unformed polyolefin A PAO of 55kg and the maleic anhydride modified polyolefine of 5kg, is warming up to 160 ℃, until the whole meltings of reactant;
(3) vacuumize and discharging: the electrically heated Reaktionsofen is airtight, open vacuum pump, so that vacuum tightness reaches-0.1MPa in the Reaktionsofen, the pumpdown time is 50min; Close vacuum pump, put vacuum to normal pressure, close heating, through the strainer filtering discharging; Discharging is auxiliary with compressor, and filter screen is 150 orders, and pressure is 0.04MPa, and the discharging difficulty is then changed filter screen.
(4) packing: with heat-resistant silicon oilpaper tipping step (3) gained finished product, packing namely gets product P P transparent box hot melt adhesive after the cooling.
Embodiment 3
A kind of PP transparent box hot melt adhesive, formula rate is as follows by weight: unformed polyolefin A PAO 65kg, tackifying resin C 5 hydrogenated petroleum resin 30kg, metallocene catalysis Poly Propylene Wax 10kg, maleic anhydride modified polyolefine 10kg and antioxidant 1010 0.25kg and irgasfos 168 0.25kg;
(1) heating: 10kg metallocene catalysis Poly Propylene Wax, 30kg tackifying resin C 5 hydrogenated petroleum resin, antioxidant 1010 0.25kg and irgasfos 168 0.25kg are dropped in the electrically heated Reaktionsofen, be warming up to 160 ℃, heating 30min;
(2) melting: open and stir, the mixture in the whipping step (1), final stirring velocity is made as 120r/min, drops into the unformed polyolefin A PAO of 65kg and the maleic anhydride modified polyolefine of 10kg, is warming up to 200 ℃, until the whole meltings of reactant;
(3) vacuumize and discharging: the electrically heated Reaktionsofen is airtight, open vacuum pump, so that vacuum tightness reaches-0.08MPa in the Reaktionsofen, the pumpdown time is 60min; Close vacuum pump, put vacuum to normal pressure, close heating, through the strainer filtering discharging;
(4) packing: with heat-resistant silicon oilpaper tipping step (3) gained finished product, packing namely gets product P P transparent box hot melt adhesive after the cooling.
Claims (3)
1. PP transparent box hot melt adhesive is characterized in that formula rate is as follows by weight: 0.2 ~ 0.5 part in 55 ~ 65 parts of unformed polyolefin A PAO, 20 ~ 30 parts of C 5 hydrogenated petroleum resins, 5 ~ 10 parts of metallocene catalysis Poly Propylene Waxes, 5 ~ 10 parts of maleic anhydride modified polyolefine and oxidation inhibitor;
Metallocene catalysis Poly Propylene Wax, C 5 hydrogenated petroleum resin and oxidation inhibitor are dropped into the heating that heats up in the electrically heated Reaktionsofen, open and stir, add unformed polyolefin A PAO and maleic anhydride modified polyolefine, heating and melting vacuumizes rear discharging packing and namely gets product P P transparent box hot melt adhesive;
During preparation:
(1) heating: 5 ~ 10 parts of metallocene catalysis Poly Propylene Waxes, 20 ~ 30 parts of C 5 hydrogenated petroleum resins and 0.2 ~ 0.5 part of oxidation inhibitor are dropped in the electrically heated Reaktionsofen, be warming up to 130 ~ 200 ℃, heating 20 ~ 40min;
(2) melting: open and stir, mixture in the whipping step (1), final stirring velocity is made as 100 ~ 150r/min, drops into 55 ~ 65 parts of unformed polyolefin A PAO and 5 ~ 10 parts of maleic anhydride modified polyolefine, be warming up to 160 ~ 200 ℃, until the whole meltings of reactant;
(3) vacuumize and discharging: the electrically heated Reaktionsofen is airtight, open vacuum pump so that in the Reaktionsofen vacuum tightness reach-0.09 ~-0.1MPa, the pumpdown time is 50 ~ 70min; Close vacuum pump, put vacuum to normal pressure, close heating, through the strainer filtering discharging;
(4) packing: with heat-resistant silicon oilpaper tipping step (3) gained finished product, packing namely gets product P P transparent box hot melt adhesive after the cooling.
2. PP transparent box hot melt adhesive as claimed in claim 1 is characterized in that: described oxidation inhibitor such as is at antioxidant 1010 and the irgasfos 168 that weight ratio is mixed.
3. PP transparent box hot melt adhesive as claimed in claim 1, it is characterized in that: discharging can be auxiliary with compressor in the step (3), and filter screen is 150 orders, and pressure is 0.04 ~ 0.06MPa, and the discharging difficulty is then changed filter screen.
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| CN103351835A (en) * | 2013-07-18 | 2013-10-16 | 晋江长城崛起贸易有限公司 | APAO hot melt adhesive and preparing method thereof |
| CN104419349A (en) * | 2013-09-10 | 2015-03-18 | 杭州邦林热熔胶有限公司 | Hot melt adhesive for food and daily chemical product bottle caps and preparation method of hot melt adhesive |
| CN104449465A (en) * | 2013-09-22 | 2015-03-25 | 杭州邦林热熔胶有限公司 | Hot melt adhesive for mattresses and sofas and preparation method thereof |
| CN105647434B (en) * | 2016-02-02 | 2017-10-03 | 平湖展鹏热熔胶膜有限公司 | Compound hot melt adhesive film of polypropylene cellular board and preparation method thereof |
| CN106118548A (en) * | 2016-07-29 | 2016-11-16 | 无锡市万力粘合材料股份有限公司 | Carpenter precoats edge sealing polyolefin hot-melt compositions and preparation method thereof |
| CN106318273A (en) * | 2016-08-19 | 2017-01-11 | 广东泰强化工实业有限公司 | Hot melt adhesive for sponge and fabric and preparation method thereof |
| CN106349975B (en) * | 2016-08-30 | 2018-06-22 | 华威粘结材料（上海）股份有限公司 | APAO cladding hot-melt adhesive compositions and preparation method thereof |
| CN106221616B (en) * | 2016-08-30 | 2018-08-24 | 华威粘结材料（上海）股份有限公司 | A kind of APAO filters lines glue composition and preparation method thereof |
| CN108587536A (en) * | 2018-04-02 | 2018-09-28 | 无锡海特新材料研究院有限公司 | A kind of APAO hot melt adhesives and preparation method thereof |
| CN108865036B (en) * | 2018-05-14 | 2020-10-20 | 启东鑫天鼎热熔胶有限公司 | Modified polyester hot melt adhesive and preparation method thereof |
| CN111286293B (en) * | 2020-04-10 | 2021-12-03 | 厦门马特高科新能源有限公司 | PP plastic shell adhesive for storage battery and preparation method of PP plastic shell adhesive |
| CN112679819A (en) * | 2020-12-24 | 2021-04-20 | 松川工业材料(无锡)有限公司 | Modified APAO resin and preparation method thereof |
| CN113416504A (en) * | 2021-08-13 | 2021-09-21 | 广州市方佳崇医疗科技有限公司 | Medical hot-melt adhesive and preparation method thereof |
| CN115838575A (en) * | 2022-11-03 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Hot melt adhesive, preparation method thereof, secondary battery, battery module, battery pack and electric device |
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| US7067585B2 (en) * | 2002-10-28 | 2006-06-27 | Bostik, Inc. | Hot melt adhesive composition based on a random copolymer of isotactic polypropylene |
| US7378481B1 (en) * | 2007-02-08 | 2008-05-27 | National Starch And Chemical Investment Holding Corporation | Hot Melt Adhesives |
| CN101245228A (en) * | 2008-02-29 | 2008-08-20 | 广州市合诚化学有限公司 | Hot melt adhesive special for random copolymerization polypropylene multiunit tube and manufacture method thereof |
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Address after: 214028 -17, 17 South Changjiang Road, New District, Jiangsu, Wuxi Patentee after: Wuxi City Wan Li jointing material limited-liability company Address before: 214028 -17, 17 South Changjiang Road, New District, Jiangsu, Wuxi Patentee before: Wuxi WanLi Adhesion Materials Co., Ltd. |