CN104694056B - A kind of preparation method of polymer-matrix waterproof adhesive - Google Patents
A kind of preparation method of polymer-matrix waterproof adhesive Download PDFInfo
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- CN104694056B CN104694056B CN201510156220.8A CN201510156220A CN104694056B CN 104694056 B CN104694056 B CN 104694056B CN 201510156220 A CN201510156220 A CN 201510156220A CN 104694056 B CN104694056 B CN 104694056B
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Abstract
The preparation method that the present invention relates to a kind of polymer-matrix waterproof adhesive, have employed specific raw material monomer and proportioning, obtain the polymer emulsion with good flexibility, viscosity, stability under specific process conditions through high temperature polymerization, the adhesive prepared with this polymer emulsion has good barrier properties, intensity, alkali resistance, corrosion resistance and formaldehyde closed performance.
Description
Technical field
The preparation method that the present invention relates to a kind of polymer-matrix waterproof adhesive.
Background technology
Adhesive is now widely available in every field such as transportation, instrument and meter, electronic apparatus, weaving, building, timber processing, interior decoration, the articles for daily uses. Existing adhesive remains formaldehyde mostly, during use, human health damage is bigger. And existing adhesive water proofing property, wearability, weatherability are all not strong, thus have impact on the service life of binding agent.
Summary of the invention
In order to overcome the deficiencies in the prior art, the preparation method providing a kind of polymer-matrix adhesive with good strength, corrosion resistance, water proofing property of the present invention. The above-mentioned purpose of the present invention is realized by the following method:
The preparation method of a kind of polymer-matrix waterproof adhesive, comprises the steps:
A) preparation of polymer emulsion: in parts by weight, remove ionized water 100 parts, add in reactor, then it is sequentially added into polrvinyl chloride 20 parts, sodium stearyl sulfonate 2 parts, diisooctyl phthalate 4 parts, Emulsifier EL-10 1.5 parts, pH value regulator 1.5 parts, hexadiene 20 parts, methylisobutylketone 4 parts, ethyl methacrylate 10 parts, butyl methacrylate 10 parts, 1,3-propanedicarboxylic acid 5 parts, styrene 5 parts, Ammonium persulfate. 1 part, with the ramp of 5 DEG C/min to 60 DEG C, it is sufficiently stirred for 10 hours, again with the ramp of 3 DEG C/min to 75 DEG C, continue to be sufficiently stirred for 5 hours, then add emulsifying wetting agent 2 parts, degassed under vacuum, then adjusting pH value by the NaOH solution that weight/mass percentage composition is 20% is 7, it is cooled to room temperature, obtain polymer emulsion,
B) preparation of adhesive: in parts by weight, takes dispersant 1 part, defoamer 1 part, chlorinated paraffin, nano titanium oxide 20 parts, silicon dioxide microsphere 20 parts etc., add in container, then add the polymer emulsion 40 parts prepared in the step a) of parts by weight, dispersed with stirring, then add 1.5 parts of montmorillonites, filler 5 parts, continues stirring 2 hours, then grinds 2h, filter, obtain polymer-matrix waterproof adhesive.
Well-beaten stir speed (S.S.) in step a) is 400 turns/min, and rate of temperature fall is 3 DEG C/min.
Stir speed (S.S.) in step b) is 400 turns/min, adopts adhesive filter to be filtered.
Beneficial effects of the present invention
Adhesive employs silicon dioxide microsphere and nano titanium oxide, silicon dioxide microsphere and nano titanium oxide surface are by after PVC modified, use it in adhesive, the polymer on modified silicon dioxide and nano titanium oxide surface and each Interaction of substituents in pentadiene, acrylic acid, methylisobutylketone, sodium stearyl sulfonate, ethyl methacrylate, it is added significantly to the hardness of adhesive, intensity and scratch resistance, extends service life.
There is synergism each other in diisooctyl phthalate, sodium stearyl sulfonate, n-BMA, 1,3-propanedicarboxylic acid, enhance the wrinkle resistance of adhesive, deformation resistance, water proofing property, scratch resistance, weatherability greatly, and elasticity is obviously improved, simultaneously work as the effect of closed methanal, made the burst size of formaldehyde significantly reduce.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
A) preparation of polymer emulsion: in parts by weight, remove ionized water 100 parts, add in reactor, then it is sequentially added into polrvinyl chloride 20 parts, sodium stearyl sulfonate 2 parts, diisooctyl phthalate 4 parts, Emulsifier EL-10 1.5 parts, pH value regulator 1.5 parts, hexadiene 20 parts, methylisobutylketone 4 parts, ethyl methacrylate 10 parts, butyl methacrylate 10 parts, 1,3-propanedicarboxylic acid 5 parts, styrene 5 parts, Ammonium persulfate. 1 part, with the ramp of 5 DEG C/min to 60 DEG C, it is sufficiently stirred for 10 hours, again with the ramp of 3 DEG C/min to 75 DEG C, continue to be sufficiently stirred for 5 hours, then add emulsifying wetting agent 2 parts, degassed under vacuum, then adjusting pH value by the NaOH solution that weight/mass percentage composition is 20% is 7, it is cooled to room temperature, obtain polymer emulsion,
B) preparation of adhesive: in parts by weight, takes dispersant 1 part, defoamer 1 part, chlorinated paraffin, nano titanium oxide 20 parts, silicon dioxide microsphere 20 parts etc., add in container, then add the polymer emulsion 40 parts prepared in the step a) of parts by weight, dispersed with stirring, then add 1.5 parts of montmorillonites, filler 5 parts, continues stirring 2 hours, then grinds 2h, filter, obtain polymer-matrix waterproof adhesive.
Comparative example 1
Weigh hydroxy polyacrylate emulsion 40 parts respectively, organic siloxane emulsion 20 parts, APP 15 parts, solvent 20 parts, add in container, mixing is stirred with the speed of 400 revs/min at 25 DEG C, dispersed with stirring 30 minutes, again by wetting agent 0.3 part, PH regulator 0.2 part, di-isopropylbenzene hydroperoxide 10 parts, titanium dioxide 3 parts, 3 parts of magnesium chloride, 2 parts of kieselguhr, preservative 0.2 part and polyoxypropylene ethylene oxide glycerin ether 0.2 are sequentially added in said mixture, stirring 20 minutes is continued with the speed of 450 revs/min, finally add propylene glycol methyl ether acetate 0.5 part and polyoxypropylene ethylene oxide glycerin ether 0.1 part, stirring 30 minutes is continued with the speed of 450 revs/min, obtain the binding agent of wear-resisting scratch-resistant.
Coating after the adhesive application of embodiment 1 is tested, and result is as follows:
Table 1 properties of product test result
| Sample | Hot strength/MPa | Elongation at break/% | Impermeability | Surface drying time/h | The time of doing solid work/h | Release formaldehyde (ppm) |
| Embodiment 1 | 9.9 | 684 | Good | 4 | 6 | 10 |
| Comparative example 1 | 4.1 | 413 | Generally | 8 | 12 | 413 |
Claims (3)
1. the preparation method of a polymer-matrix waterproof adhesive, it is characterised in that comprise the steps:
A) preparation of polymer emulsion: in parts by weight, remove ionized water 100 parts, add in reactor, then it is sequentially added into polrvinyl chloride 20 parts, sodium stearyl sulfonate 2 parts, diisooctyl phthalate 4 parts, Emulsifier EL-10 1.5 parts, pH value regulator 1.5 parts, hexadiene 20 parts, methylisobutylketone 4 parts, ethyl methacrylate 10 parts, butyl methacrylate 10 parts, 1,3-propanedicarboxylic acid 5 parts, styrene 5 parts, Ammonium persulfate. 1 part, with the ramp of 5 DEG C/min to 60 DEG C, it is sufficiently stirred for 10 hours, again with the ramp of 3 DEG C/min to 75 DEG C, continue to be sufficiently stirred for 5 hours, then add emulsifying wetting agent 2 parts, degassed under vacuum, then adjusting pH value by the NaOH solution that weight/mass percentage composition is 20% is 7, it is cooled to room temperature, obtain polymer emulsion,
B) preparation of adhesive: in parts by weight, takes dispersant 1 part, defoamer 1 part, chlorinated paraffin, nano titanium oxide 20 parts, silicon dioxide microsphere 20 parts, add in container, then add the polymer emulsion 40 parts prepared in the step a) of parts by weight, dispersed with stirring, then add 1.5 parts of montmorillonites, filler 5 parts, continues stirring 2 hours, then grinds 2h, filter, obtain polymer-matrix waterproof adhesive.
2. preparation method as claimed in claim 1, it is characterised in that: the well-beaten stir speed (S.S.) in step a) is 400 turns/min, and rate of temperature fall is 3 DEG C/min.
3. preparation method as claimed in claim 1, it is characterised in that: the stir speed (S.S.) in step b) is 400 turns/min, adopts adhesive filter to be filtered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510156220.8A CN104694056B (en) | 2015-04-03 | 2015-04-03 | A kind of preparation method of polymer-matrix waterproof adhesive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510156220.8A CN104694056B (en) | 2015-04-03 | 2015-04-03 | A kind of preparation method of polymer-matrix waterproof adhesive |
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| CN104694056A CN104694056A (en) | 2015-06-10 |
| CN104694056B true CN104694056B (en) | 2016-06-08 |
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| CN107916080A (en) * | 2017-12-08 | 2018-04-17 | 马鞍山虹润彩印有限责任公司 | A kind of environmental protection type packing binding agent |
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| CN1181116C (en) * | 2002-11-14 | 2004-12-22 | 河北工业大学 | Process for preparing high shock-resistance polyacrylic ester composite particle grafted vinyl chloride emulsion resin |
| CN102977253B (en) * | 2012-11-06 | 2015-02-04 | 中科院广州化学有限公司 | Silicone modified acrylate hybrid emulsion and preparation method and application thereof |
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Effective date of registration: 20160517 Address after: 325055 Zhejiang, Wenzhou, Longwan District, Haicheng street, Central South Road, No. 81 Applicant after: Tu Ruiqiang Address before: 311800 Zhejiang city in Shaoxing Province, Zhuji City, East Street and East Road No. 469 Applicant before: Li Hailan |
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Effective date of registration: 20160926 Address after: Two building 205-8, building 33, 35, South Hui Road, Guangzhou, Guangdong, Haizhuqu District 510000, China Patentee after: Guangzhou City Han Yin energy science and technology limited company Address before: 325055 Zhejiang, Wenzhou, Longwan District, Haicheng street, Central South Road, No. 81 Patentee before: Tu Ruiqiang |