CN103897097A - Recyclable acrylic ester impregnant for sealed reinforcement - Google Patents
Recyclable acrylic ester impregnant for sealed reinforcement Download PDFInfo
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- CN103897097A CN103897097A CN201410090515.5A CN201410090515A CN103897097A CN 103897097 A CN103897097 A CN 103897097A CN 201410090515 A CN201410090515 A CN 201410090515A CN 103897097 A CN103897097 A CN 103897097A
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- acrylate
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Abstract
The invention discloses a recyclable acrylic ester impregnant for sealed reinforcement. The recyclable acrylic ester impregnant is obtained by uniformly mixing the following components in parts by weight: 20-24 parts of a monofunctional acrylate monomer of which the specific gravity is less than 1g/cm<3>, 1-5 parts of a difunctional acrylate monomer, 1-3 parts of a reactive emulsifier, 0.05-0.25 parts of an initiating agent and 0.01-0.06 part of a polymerization inhibitor at normal temperature. The impregnant is a colorless and transparent oily liquid of which the specific gravity is 0.840-0.993g/cm<3>, the gelation time is 240s-360s, and the viscosity is less than 8.03mPa.s; the hardness of a glue stick after solidifying is greater than 65 ShoreA; and the impregnant is low in viscosity and low in toxicity, and meanwhile has relatively good recycling circulating performance.
Description
Technical field
The present invention relates to a kind of recyclable acrylate type vacuum-impregnator for reinforcement that seals.
Background technology
In industrial production, pressure bearing and seal foundry goods occupies larger specific gravity.Metal founding in castingprocesses, because crystal shrinks and gas residue, be easy to foundry goods inner produce loose, pore and etc. defect, cause product to scrap because leaking.According to statistics, the scrap rate of pressure-bearing casting can be high by 6～20%, and the foundry goods that some are born to gas, hydraulic coupling can reach more than 30% as the scrap rate of cylinder head and valve body etc.These defects are generally difficult for discovering, and often after machining, could find through pressing, thereby cause manually, starting material, energy serious waste; The product requiring without pressure is in the time of the surface treatments such as plating, japanning, because sanitising agent, acid solution etc. enter hole, cause internal corrosion, reduction of service life, or there is bubble or uneven phenomenon because the existence of micropore such as makes to electroplate, spray paint at the process of surface treatment, cause product quality defect.At present use the processing of infiltrating exactly of the most general technology for processing problems, under certain condition impregnant is penetrated in the microporosity of foundry goods, permanently seal micropore, make part can meet the Technology of the conditional requests such as resistance to air loss.Although applicable impregnant has a lot, the three major types such as the main impregnant that only has water glass (water glass) impregnant, unsaturated polyester representative and acrylate impregnant (mainly containing anaerobism solidifies and thermohardening type).Acrylate type impregnant since 20 century 70s just by compared with widespread use, in many production technique of mechanical industry, progressively replace the impregnant of other types, and becoming a class impregnant that attracts most attention in current vacuum-impregnator and have application prospect most, its essentially consist mainly includes acrylate unsaturated monomer, initiator and stopper.Application number is that 01130100.7 patent of invention has been reported a kind of sealing reinforcement methacrylate type vacuum-impregnator, include methacrylate monomer, initiator, stopper, wherein add the combination linking agent being combined by the methacrylic ester of the dialkylene compound with single phenyl ring and three or four functionality on a small quantity.This impregnant is in both meeting low viscosity requirement, and thermal characteristics has again obvious raising.
But at present in the Infiltration Technics of thermosetting acrylic impregnant, there is the workshop section that washes part with water, these washing water are owing to containing more uncured acrylate and other components, although esters of acrylic acid vacuum-impregnator is not containing volatile organic matter, toxicity is lower, but the current environmental issue of day by day paying attention to should be not out in the cold, the method of wastewater treatment in past is mainly that acrylate contained rinse water is solidified and separated, wastewater treatment takes time and effort consumption wealth, causes the waste of the acrylate in rinse water simultaneously.Therefore develop type impregnant capable of circulation and can improve raw material availability, thereby reduce costs, can alleviate in addition the pollution to environment.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of sealing reinforcement acrylate impregnant capable of circulation, this impregnant is formulated by acrylic ester monomer, initiator, stopper and the appropriate emulsifying agent reacting, utilize the density difference of its component and water, make can directly remaining impregnant be separated and be recycled in its process of cleaning at infiltration later stage water, reduce costs energy-saving and emission-reduction thereby realize.
Technical solution of the present invention is: a kind of sealing reinforcement acrylate impregnant capable of circulation, this impregnant is evenly mixed to get at normal temperatures by acrylate monomer, reactive emulsifier, initiator, the stopper of single functionality acrylate monomer, difunctionality.Described acrylate monomer includes proportion and is less than the single functionality acrylate monomer of 1g/cm3 and the acrylate monomer of difunctionality, the single functionality acrylate monomer that wherein proportion is less than 1g/cm3 is selected from the alkyl ester of acrylic acid carbon number 10 to 18, as lauryl acrylate, lauryl methacrylate(LMA), isodecyl methacrylate, vinylformic acid stearyl alcohol ester, methacrylic acid stearyl alcohol ester, vinylformic acid tridecanol ester, methacrylic acid tridecanol ester; Described difunctionality acrylate is selected from vinylformic acid multicondensed ethylene glycol ester, 1,6 hexanediyl ester, 2-methyl isophthalic acid, in ammediol diacrylate, 1,4 butanediol diacrylate; Described reactive emulsifier is selected from modification alkylphenol polyoxyethylene, polyoxyethylene carboxylate; Described initiator is superoxide or azo-initiator, preferably Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile); Described stopper is selected from Resorcinol, benzoquinones, naphthoquinones, anthraquinone, 2, in 6-dibutyl p-cresol, picric acid, 4-methoxyphenol.Preparing formula optimization quality proportioning of the present invention is: the reactive emulsifier of the single functionality acrylate monomer of 20-24 mass parts, the difunctionality acrylate monomer of 1-5 mass parts, 1-3 mass parts, the initiator of 0.05-0.25 mass parts, the stopper of 0.01-0.06 mass parts; Its concrete steps are as follows: (1) adds single functionality acrylate monomer, difunctionality acrylate monomer, reactive emulsifier, stopper, and stirring velocity 300-600 rev/min stirs 10-30 minute; (2) add initiator, stirring velocity 600-800 rev/min, stirs 20-40 minute; (3) leave standstill 10-60 minute.
The beneficial effect that technical solution of the present invention is brought is: 1. compared with widely used unsaturated polyester class impregnant in the market, viscosity of the present invention is low, can be applicable to the infiltration of micro-pore, and toxicity is low, containing volatile matter; 2. though there is the constituent of some easy molten water in the present invention, but contain the relatively large monomer lower to water solubility, the density ratio water-mass density of also considering monomer is low, and the impregnant in washing water is not soluble in water and can float realization separation, and therefore this part impregnant is recycled utilization, reduce environmental pollution, improve raw material availability, thereby reduced cost, the waste water after recovery can recycle, alleviate the pollution to environment, there is good market application foreground.
Embodiment
By specific embodiment, technical solution of the present invention is described further below.
The sealing reinforcement acrylate impregnant capable of circulation of the present embodiment, is evenly mixed to get at normal temperatures by acrylate monomer, reactive emulsifier, initiator, the stopper of single functionality acrylate monomer, difunctionality.Described acrylate monomer includes proportion and is less than the single functionality acrylate monomer of 1g/cm3 and the acrylate monomer of difunctionality, the single functionality acrylate monomer that wherein proportion is less than 1g/cm3 is selected from the alkyl ester of acrylic acid carbon number 10 to 18, as lauryl acrylate, lauryl methacrylate(LMA), isodecyl methacrylate, vinylformic acid stearyl alcohol ester, methacrylic acid stearyl alcohol ester, vinylformic acid tridecanol ester, methacrylic acid tridecanol ester; Described difunctionality acrylate is selected from vinylformic acid multicondensed ethylene glycol ester, 1,6 hexanediyl ester, 2-methyl isophthalic acid, in ammediol diacrylate, 1,4 butanediol diacrylate; Described reactive emulsifier is selected from modification alkylphenol polyoxyethylene, polyoxyethylene carboxylate; Described initiator is superoxide or azo-initiator, preferably Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile); Described stopper is selected from Resorcinol, benzoquinones, naphthoquinones, anthraquinone, 2, in 6-dibutyl p-cresol, picric acid, 4-methoxyphenol.Preparing formula optimization quality proportioning of the present invention is: the reactive emulsifier of the single functionality acrylate monomer of 20-24 mass parts, the difunctionality acrylate monomer of 1-5 mass parts, 1-3 mass parts, the initiator of 0.05-0.25 mass parts, the stopper of 0.01-0.06 mass parts; Its concrete steps are as follows: (1) adds single functionality acrylate monomer, difunctionality acrylate monomer, reactive emulsifier, stopper, and stirring velocity 300-600 rev/min stirs 10-30 minute; (2) add initiator, stirring velocity 600-800 rev/min, stirs 20-40 minute; (3) leave standstill 10-60 minute.
Embodiment 1
Take representative acrylate impregnant formula as example, its composition is by weight: 17.25 parts of lauryl methacrylate(LMA)s, 1,64 parts of hexanediyl esters, 2 parts of Viscoat 295s, 3 parts of modification alkylphenol polyoxyethylene, 2.5 parts of modified poly (ethylene glycol)s, 0.75 part of Diisopropyl azodicarboxylate, 0.01 part of Resorcinol.Its concrete steps are as follows:
(1) add lauryl methacrylate(LMA), 1,6 hexanediyl ester, Viscoat 295, modification alkylphenol polyoxyethylene, modified poly (ethylene glycol), Resorcinol, stirring velocity 300-600 rev/min, stirs 10-30 minute;
(2) add Diisopropyl azodicarboxylate, stirring velocity 600-800 rev/min, stirs 20-40 minute;
(3) leave standstill 10-60 minute.
The acrylate impregnant physicals being obtained by embodiment 1 is as shown in table 1:
| Project | Index |
| Density, g/cm 3 | 0.963 |
| Viscosity, mPas | 4.75 |
| Set time, s | 231 |
| Glue rod hardness after curing 30min, Shore A | 87 |
| The rate of recovery, % | 52.5% |
Embodiment 2
Take representative acrylate impregnant formula as example, its composition is 15.15 parts of isodecyl methacrylates by weight, 2.27 parts of diethylene glycol dimethacrylate esters, 1.76 parts of Viscoat 295s, 0.5 part of polyoxyethylene carboxylate, 1.52 parts of modified poly (ethylene glycol)s, 0.87 part of Diisopropyl azodicarboxylate, 0.02 part of 2,5 di tert butyl hydroquinone.Its concrete steps are as follows:
(1) add isodecyl methacrylate, a contracting diacrylate glycol ester, Viscoat 295, polyoxyethylene carboxylate, modified poly (ethylene glycol), 2,5-di-tert-butyl hydroquinone, stirring velocity 300-600 rev/min, stirs 10-30 minute;
(2) add Diisopropyl azodicarboxylate, stirring velocity 600-800 rev/min, stirs 20-40 minute;
(3) leave standstill 10-60 minute.
The acrylate impregnant physicals being obtained by embodiment 2 is as shown in table 2:
| Project | Index |
| Density, g/cm 3 | 0.928 |
| Viscosity, mPas | 5.50 |
| Set time, s | 209 |
| Glue rod hardness after curing 30min, Shore A | 85 |
| The rate of recovery, % | 58.9% |
Embodiment 3
Take representative acrylate impregnant formula as example, its composition is 16.05 parts of methacrylic acid stearyl alcohol esters by weight, 1.42 parts of Triethylene glycol dimethacrylates, 2.08 parts of trimethylammonium vinylformic acid glyceryl ester, 0.5 part of modification alkylphenol polyoxyethylene, 1.89 parts of modified poly (ethylene glycol)s, 0.80 part of Diisopropyl azodicarboxylate, 0.02 part of 2,5 di tert butyl hydroquinone.Its concrete steps are as follows:
(1) add methacrylic acid stearyl alcohol ester, Triethylene glycol dimethacrylate, trimethylammonium vinylformic acid glyceryl ester, modification alkylphenol polyoxyethylene, modified poly (ethylene glycol), 2,5-di-tert-butyl hydroquinone, stirring velocity 300-600 rev/min, stirs 10-30 minute;
(2) add Diisopropyl azodicarboxylate, stirring velocity 600-800 rev/min, stirs 20-40 minute;
(3) leave standstill 10-60 minute.
The acrylate impregnant physicals being obtained by embodiment 3 is as shown in table 3:
| Project | Index |
| Density, g/cm 3 | 0.936 |
| Viscosity, mPas | 3.43 |
| Set time, s | 243 |
| Glue rod hardness after curing 30min, Shore A | 80 |
| The rate of recovery, % | 53.7% |
Embodiment 4
Take representative acrylate impregnant formula as example, its composition is 14.91 parts of cyclohexyl methacrylates by weight, 1,2.19 parts of 4-butylene glycol dimethacrylates, 2.19 parts of trimethylammonium vinylformic acid pentaerythritol esters, 0.3 part of modification alkylphenol polyoxyethylene, 0.88 part of modified poly (ethylene glycol), 0.75 part of 2,2'-Azobis(2,4-dimethylvaleronitrile), 0.01 part of Resorcinol.Its concrete steps are as follows:
(1) add cyclohexyl methacrylate, 1,4-butylene glycol dimethacrylate, trimethylammonium vinylformic acid pentaerythritol ester, modification alkylphenol polyoxyethylene, modified poly (ethylene glycol), Resorcinol, stirring velocity 300-600 rev/min, stirs 10-30 minute;
(2) add 2,2'-Azobis(2,4-dimethylvaleronitrile), stirring velocity 600-800 rev/min, stirs 20-40 minute;
(3) leave standstill 10-60 minute.
The acrylate impregnant physicals being obtained by embodiment 4 is as shown in table 4:
| Project | Index |
| Density, g/cm 3 | 0.924 |
| Viscosity, mPas | 5.63 |
| Set time, s | 252 |
| Glue rod hardness after curing 30min, Shore A | 88 |
| The rate of recovery, % | 55.9% |
The above, such scheme of the present invention all can only think explanation of the present invention can not limit the present invention, claims have been pointed out scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, be any change in implication and scope that claims of the present invention are suitable, all should think to be included in the scope of claims.
Claims (10)
1. a sealing reinforcement acrylate impregnant capable of circulation, it is characterized in that, according to the mass fraction: the reactive emulsifier of the single functionality acrylate monomer of 20-24 mass parts, the difunctionality acrylate monomer of 1-5 mass parts, 1-3 mass parts, the initiator of 0.05-0.25 mass parts, the stopper of 0.01-0.06 mass parts.
2. sealing reinforcement acrylate impregnant capable of circulation according to claim 1, is characterized in that: the proportion of described single functionality acrylate monomer is less than 1 g/cm
3.
3. sealing reinforcement acrylate impregnant capable of circulation according to claim 2, is characterized in that: described single functionality acrylate monomer is selected from the alkyl ester of (methyl) acrylic acid carbon number 10 to 18.
4. sealing reinforcement acrylate impregnant capable of circulation according to claim 3, is characterized in that: described single functionality acrylate monomer is selected from one or more in lauryl acrylate, lauryl methacrylate(LMA), isodecyl methacrylate, vinylformic acid stearyl alcohol ester, methacrylic acid stearyl alcohol ester, vinylformic acid tridecanol ester, methacrylic acid tridecanol ester.
5. sealing reinforcement acrylate impregnant capable of circulation according to claim 1, is characterized in that: described difunctionality acrylate monomer is selected from (methyl) vinylformic acid multicondensed ethylene glycol ester (1.041-1.063 g/cm
3), 1,6 hexanediyl ester (1.011 g/cm
3, 2-butyl-2-ethyl-1,3-PD diacrylate (0.9950 g/cm
3), 2-methyl isophthalic acid, ammediol diacrylate (1.05 g/cm
3), 1,4 butanediol diacrylate (1.051 g/cm
3) in one or more.
6. sealing reinforcement acrylate impregnant capable of circulation according to claim 1, is characterized in that: described reactive emulsifier is selected from modification alkylphenol polyoxyethylene (0.912 g/cm
3), polyoxyethylene carboxylate (0.9-1.0 g/cm
3) in one or more.
7. sealing reinforcement acrylate impregnant capable of circulation according to claim 1, is characterized in that: described initiator is selected from superoxide, azo-initiator; In Diisopropyl azodicarboxylate, 2,2'-Azobis(2,4-dimethylvaleronitrile) one or more.
8. sealing reinforcement acrylate impregnant capable of circulation according to claim 1, it is characterized in that: described stopper is selected from dihydroxy-benzene, benzoquinones, naphthoquinones, anthraquinone, 2, in 6-dibutyl p-cresol, picric acid, 4-methoxyphenol one or more.
9. a method of manufacturing the described sealing reinforcement capable of circulation of one of claim 1 to 7 acrylate impregnant, is characterized in that: the acrylate monomer of single functionality acrylate monomer, difunctionality, reactive emulsifier, initiator, stopper are evenly mixed to get at normal temperatures.
10. acrylate impregnant preparation method for sealing reinforcement capable of circulation according to claim 8, is characterized in that, accurately takes each material component:
(1) add single functionality acrylate monomer, difunctionality acrylate monomer, reactive emulsifier, stopper, stirring velocity 300-600 rev/min, stirs 10-30 minute;
(2) add initiator, stirring velocity 600-800 rev/min, stirs 20-40 minute;
(3) leave standstill 10-60 minute.
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| CN201410090515.5A CN103897097A (en) | 2014-03-12 | 2014-03-12 | Recyclable acrylic ester impregnant for sealed reinforcement |
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| CN201410090515.5A CN103897097A (en) | 2014-03-12 | 2014-03-12 | Recyclable acrylic ester impregnant for sealed reinforcement |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387522A (en) * | 2014-12-08 | 2015-03-04 | 南京工业大学 | Flame-retardant acrylate type organic impregnant for sealing reinforcement and preparation method thereof |
| CN104946199A (en) * | 2015-01-19 | 2015-09-30 | 襄阳航林机械有限公司 | Organic impregnating adhesive |
| CN105061670A (en) * | 2015-08-06 | 2015-11-18 | 南京艾布纳密封技术有限公司 | Low-contraction acrylic acid ester vacuum infiltration agent used for sealed reinforcement |
| CN105348452A (en) * | 2015-12-07 | 2016-02-24 | 因普雷浸渗科技（苏州）有限公司 | Water-soluble organic impregnant |
| CN106632902A (en) * | 2016-12-14 | 2017-05-10 | 湖北回天新材料股份有限公司 | Low-shrinkage heat-cured organic infiltration agent and preparation method thereof |
| CN106957386A (en) * | 2017-05-02 | 2017-07-18 | 南京艾布纳密封技术股份有限公司 | A kind of water-resistant type impregnant |
| CN106995514A (en) * | 2017-05-02 | 2017-08-01 | 南京艾布纳密封技术股份有限公司 | A kind of high metal attached type methacrylate organic impregnating agent |
| CN108949071A (en) * | 2018-07-11 | 2018-12-07 | 翟琳 | A kind of preparation method of low viscous lower shrinkage impregnant |
| CN113429513A (en) * | 2021-06-21 | 2021-09-24 | 深圳职业技术学院 | Impregnating compound composition, impregnating compound and reinforced graphite electrode plate |
| CN113913136A (en) * | 2021-10-22 | 2022-01-11 | 南京艾布纳密封技术股份有限公司 | Recycling and reusing type anaerobic osmosis sealant composition and preparation method thereof |
| CN114773537A (en) * | 2022-04-19 | 2022-07-22 | 南京艾布纳密封技术股份有限公司 | High-efficiency recyclable impregnation sealing material |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387522A (en) * | 2014-12-08 | 2015-03-04 | 南京工业大学 | Flame-retardant acrylate type organic impregnant for sealing reinforcement and preparation method thereof |
| CN104946199B (en) * | 2015-01-19 | 2017-07-28 | 襄阳航林机械有限公司 | A kind of organic impregnating adhesive |
| CN104946199A (en) * | 2015-01-19 | 2015-09-30 | 襄阳航林机械有限公司 | Organic impregnating adhesive |
| CN105061670A (en) * | 2015-08-06 | 2015-11-18 | 南京艾布纳密封技术有限公司 | Low-contraction acrylic acid ester vacuum infiltration agent used for sealed reinforcement |
| CN105348452A (en) * | 2015-12-07 | 2016-02-24 | 因普雷浸渗科技（苏州）有限公司 | Water-soluble organic impregnant |
| CN105348452B (en) * | 2015-12-07 | 2018-08-07 | 因普雷浸渗科技（苏州）有限公司 | A kind of water-soluble organic impregnating agent |
| CN106632902A (en) * | 2016-12-14 | 2017-05-10 | 湖北回天新材料股份有限公司 | Low-shrinkage heat-cured organic infiltration agent and preparation method thereof |
| CN106632902B (en) * | 2016-12-14 | 2019-04-02 | 湖北回天新材料股份有限公司 | A kind of lower shrinkage thermosetting organic impregnating agent and preparation method thereof |
| CN106995514A (en) * | 2017-05-02 | 2017-08-01 | 南京艾布纳密封技术股份有限公司 | A kind of high metal attached type methacrylate organic impregnating agent |
| CN106957386A (en) * | 2017-05-02 | 2017-07-18 | 南京艾布纳密封技术股份有限公司 | A kind of water-resistant type impregnant |
| CN106995514B (en) * | 2017-05-02 | 2019-02-15 | 南京艾布纳密封技术股份有限公司 | A kind of high metal attached type methacrylate organic impregnating agent |
| CN108949071A (en) * | 2018-07-11 | 2018-12-07 | 翟琳 | A kind of preparation method of low viscous lower shrinkage impregnant |
| CN113429513A (en) * | 2021-06-21 | 2021-09-24 | 深圳职业技术学院 | Impregnating compound composition, impregnating compound and reinforced graphite electrode plate |
| CN113913136A (en) * | 2021-10-22 | 2022-01-11 | 南京艾布纳密封技术股份有限公司 | Recycling and reusing type anaerobic osmosis sealant composition and preparation method thereof |
| CN114773537A (en) * | 2022-04-19 | 2022-07-22 | 南京艾布纳密封技术股份有限公司 | High-efficiency recyclable impregnation sealing material |
| CN114773537B (en) * | 2022-04-19 | 2024-01-12 | 南京艾布纳新材料股份有限公司 | Efficient-recovery type infiltration sealing material |
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Application publication date: 20140702 |