CN105315933A - Anti-stripping cyanoacrylate adhesive and preparation method thereof - Google Patents

Anti-stripping cyanoacrylate adhesive and preparation method thereof Download PDF

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Publication number
CN105315933A
CN105315933A CN201510822329.0A CN201510822329A CN105315933A CN 105315933 A CN105315933 A CN 105315933A CN 201510822329 A CN201510822329 A CN 201510822329A CN 105315933 A CN105315933 A CN 105315933A
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Prior art keywords
parts
antistripping
coupling agent
titanium oxide
drying adhesive
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CN201510822329.0A
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Chinese (zh)
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CN105315933B (en
Inventor
李晓明
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Zhejiang Time New Material Co ltd
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Guide (suzhou) Fine Chemical Co Ltd
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Abstract

The invention discloses an anti-stripping cyanoacrylate adhesive. The anti-stripping cyanoacrylate adhesive is prepared from, by weight, 30-50 parts of alpha-ethyl cyanoacrylate, 0.5-4 parts of EVA, 2-5 parts of beta-propiolactone, 0.5-1 part of modified titanium oxide, 8-12 parts of gelatin, 5-10 parts of polyacrylate, 2-8 parts of galactomannan, 3-8 parts of hydroxyethyl cellulose and 1-1.5 parts of coupling agent. The invention further discloses a preparation method of the anti-stripping cyanoacrylate adhesive. The anti-stripping cyanoacrylate adhesive is high in curing speed, good in water resistance, high in impact resistance, large in bonding strength, good in anti-stripping performance, small in use amount, free of toxicity and beneficial to environmental protection.

Description

A kind of antistripping instant drying adhesive and preparation method thereof
Technical field:
The present invention relates to sizing agent technical field, be specifically related to a kind of antistripping instant drying adhesive.
Background technology:
Instant drying adhesive, namely moment then uses glue fast, is based on ethyl α-cyanoacrylate, adds tackifier.Thickening material, stablizer, toughner, stopper etc., the single-component fast setting sizing agent synthesized by vanguard technology; It is a kind of high strength, fast tackiness agent, and the high short-term training that can be used in multiple types material proceeds with one's work, and is particularly suitable for being used in woodenware industry; For fitting tightly, porous material, such as rubber-metal, plastic cement, woodenware etc. can reach the strongest then effect; This glue is a single composition, solvent-free, do not need the tackiness agent adding catalyst, heating or pressurization, only need meagre one deck glue, it just can utilize the atmospheric moisture in air to produce high polymeric, reach best and amplexiform effect, have natural glue and synthetic adhesive point, also can be divided into Organic adhesive and inorganic sizing agent.Alpha-cyanoacrylate ester gum is single component, low viscosity, transparent, normal temperature fast setting sizing agent.Having good viscosifying power to most material, is one of important room temperature setting adhesives kind.But it also exists some shortcomings, curing speed is too fast, makes its shock-resistance, peeling resistance poor.
Chinese patent (201010511081.3) discloses a kind of Novel epoxy reins adhesive, comprise epoxy resin, dibutyl phthalate, silicon powder, epoxy compounds and coupling agent, this sizing agent good heat resistance, excellent shock resistance, Joint strength is high, and the rear antistripping of solidification, splitting resistance are good.But its viscosity is comparatively large, and usage quantity is large.
Summary of the invention:
The object of this invention is to provide a kind of antistripping instant drying adhesive, its curing speed is fast, water-tolerant, and impact resistance is strong, and bonding strength is large, and peeling resistance is good, and usage quantity is few, nontoxic, is conducive to environment protection.
Another object of the present invention is to provide the preparation method of this antistripping instant drying adhesive.
For achieving the above object, the present invention is by the following technical solutions:
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 30-50 part,
EVA0.5-4 part, beta-propiolactone 2-5 part,
Modified titanium oxide 0.5-1 part, gelatin 8-12 part,
Polyacrylic ester 5-10 part, polygalactomannan 2-8 part,
Natvosol 3-8 part, coupling agent 1-1.5 part.
Preferred as technique scheme, a kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 50 parts,
EVA1 part, beta-propiolactone 3 parts,
Modified titanium oxide 0.7 part, 9 parts, gelatin,
Polyacrylic ester 8 parts, polygalactomannan 5 parts,
Natvosol 6 parts, coupling agent 1.1 parts.
Preferred as technique scheme, in described EVA, the content of vinyl acetate between to for plastic is 10-20%.
Preferred as technique scheme, the size of described modified titanium oxide is 10-20nm, its method of modifying is: by nano-titanium oxide and dehydrated alcohol mixing and stirring, add oleic acid, under the power of 500-1000W, ultrasonic 20-50min, filter, vacuum-drying, grinding, obtains modified titanium oxide.
Preferred as technique scheme, described coupling agent is titanate coupling agent, one or more mixing in Silane coupling agent KH550, silane coupling agent KH560.
A preparation method for antistripping instant drying adhesive, comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 100-120 DEG C, reacting by heating 1-3h, be cooled to 70-80 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1-2h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 150-180 DEG C, obtain antistripping instant drying adhesive.
The present invention has following beneficial effect:
The present invention adds modified titanium oxide and polygalactomannan in ethyl α-cyanoacrylate, and make the instant drying adhesive impact resistance that obtains good, stripper-resistance is good, and bonding strength improves greatly;
Instant drying adhesive curing speed provided by the invention is fast, and water-tolerant, low-temperature adhesion performance is good, nontoxic, is conducive to environment protection.
Embodiment:
For a better understanding of the present invention, below by embodiment, the present invention is further described, and embodiment, only for explaining the present invention, can not form any restriction to the present invention.
Embodiment 1
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 30 parts,
EVA0.5 part, beta-propiolactone 2 parts,
Modified titanium oxide 0.5 part, 8 parts, gelatin,
Polyacrylic ester 5 parts, polygalactomannan 2 parts,
Natvosol 3 parts, coupling agent 1 part.
Its preparation method comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 100 DEG C, reacting by heating 1h, be cooled to 70 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 150 DEG C, obtain antistripping instant drying adhesive.
Embodiment 2
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 50 parts,
EVA4 part, beta-propiolactone 5 parts,
Modified titanium oxide 1 part, 12 parts, gelatin,
Polyacrylic ester 10 parts, polygalactomannan 8 parts,
Natvosol 8 parts, coupling agent 1.5 parts.
Its preparation method comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 120 DEG C, reacting by heating 3h, be cooled to 80 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 2h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 150-180 DEG C, obtain antistripping instant drying adhesive.
Embodiment 3
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 35 parts,
EVA1 part, beta-propiolactone 2.5 parts,
Modified titanium oxide 0.6 part, 9 parts, gelatin,
Polyacrylic ester 6 parts, polygalactomannan 3 parts,
Natvosol 4 parts, coupling agent 1.1 parts.
Its preparation method comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 105 DEG C, reacting by heating 1.5h, be cooled to 75 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1.2h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 155 DEG C, obtain antistripping instant drying adhesive.
Embodiment 4
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 40 parts,
EVA1.5 part, beta-propiolactone 3.5 parts,
Modified titanium oxide 0.7 part, 10 parts, gelatin,
Polyacrylic ester 7 parts, polygalactomannan 4 parts,
Natvosol 5 parts, coupling agent 1.2 parts.
Its preparation method comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 110 DEG C, reacting by heating 1.8h, be cooled to 80 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1.4h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 160 DEG C, obtain antistripping instant drying adhesive.
Embodiment 5
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 45 parts,
EVA3 part, beta-propiolactone 4.5 parts,
Modified titanium oxide 0.8 part, 10 parts, gelatin,
Polyacrylic ester 8 parts, polygalactomannan 6 parts,
Natvosol 6 parts, coupling agent 1.3 parts.
Its preparation method comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 115 DEG C, reacting by heating 1.8h, be cooled to 80 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1.6h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 165 DEG C, obtain antistripping instant drying adhesive.
Embodiment 6
A kind of antistripping instant drying adhesive, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 48 parts,
EVA3.8 part, beta-propiolactone 4.8 parts,
Modified titanium oxide 0.9 part, 11 parts, gelatin,
Polyacrylic ester 9 parts, polygalactomannan 7 parts,
Natvosol 7.5 parts, coupling agent 1.4 parts.
Its preparation method comprises the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 120 DEG C, reacting by heating 2.5h, be cooled to 80 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1.8h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 175 DEG C, obtain antistripping instant drying adhesive.
Carry out performance test to antistripping instant drying adhesive provided by the invention below, wherein comparative example is common instant drying adhesive.
Table 1
From table 1, instant drying adhesive impact resistance provided by the present invention is good, and peel strength is large, and water-tolerant.

Claims (6)

1. an antistripping instant drying adhesive, is characterized in that, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 30-50 part,
EVA0.5-4 part, beta-propiolactone 2-5 part,
Modified titanium oxide 0.5-1 part, gelatin 8-12 part,
Polyacrylic ester 5-10 part, polygalactomannan 2-8 part,
Natvosol 3-8 part, coupling agent 1-1.5 part.
2. a kind of antistripping instant drying adhesive as claimed in claim 1, is characterized in that, with parts by weight, comprises following component:
Ethyl α-cyanoacrylate 50 parts,
EVA1 part, beta-propiolactone 3 parts,
Modified titanium oxide 0.7 part, 9 parts, gelatin,
Polyacrylic ester 8 parts, polygalactomannan 5 parts,
Natvosol 6 parts, coupling agent 1.1 parts.
3. a kind of antistripping instant drying adhesive as claimed in claim 1, is characterized in that, in described EVA, the content of vinyl acetate between to for plastic is 10-20%.
4. a kind of antistripping instant drying adhesive as claimed in claim 1, it is characterized in that, the size of described modified titanium oxide is 10-20nm, and its method of modifying is: by nano-titanium oxide and dehydrated alcohol mixing and stirring, add oleic acid, under the power of 500-1000W, ultrasonic 20-50min, filters, vacuum-drying, grinding, obtains modified titanium oxide.
5. a kind of antistripping instant drying adhesive as claimed in claim 1, is characterized in that, described coupling agent is titanate coupling agent, one or more mixing in Silane coupling agent KH550, silane coupling agent KH560.
6. the preparation method of a kind of antistripping instant drying adhesive as described in as arbitrary in claim 1 to 5, is characterized in that, comprise the following steps:
(1) by ethyl α-cyanoacrylate, EVA, beta-propiolactone and polyacrylic ester mixing and stirring, at 100-120 DEG C, reacting by heating 1-3h, be cooled to 70-80 DEG C, add polygalactomannan, Natvosol and coupling agent, add hot melt reaction 1-2h, obtain mixture;
(2), in the mixture obtained to step (1), add gelatin and modified titanium oxide, underpressure distillation at 150-180 DEG C, obtain antistripping instant drying adhesive.
CN201510822329.0A 2015-11-24 2015-11-24 A kind of antistripping instant drying adhesive and preparation method thereof Expired - Fee Related CN105315933B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459846A (en) * 2017-07-26 2017-12-12 柳州金特新型耐磨材料股份有限公司 Antistripping wearable ceramic coat and preparation method thereof
CN109768123A (en) * 2019-01-31 2019-05-17 泰州隆基乐叶光伏科技有限公司 A kind of welding method
CN110591569A (en) * 2019-09-17 2019-12-20 浙江派菲特新材料科技有限公司 Environment-friendly low-whitening instant adhesive
CN114395334A (en) * 2022-03-15 2022-04-26 宁波百仕高联合工业有限公司 Preparation method of high-water-resistance instant adhesive

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2511355A1 (en) * 2011-04-12 2012-10-17 Henkel Ireland Ltd. Cyanoacrylate adhesive with improved water resistance
CN102994022A (en) * 2012-10-31 2013-03-27 安徽东方金河精密机械制造有限公司 Instant adhesive
CN103666293A (en) * 2013-12-02 2014-03-26 南通瑞普埃尔生物工程有限公司 Heat resistance instant dry adhesive and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2511355A1 (en) * 2011-04-12 2012-10-17 Henkel Ireland Ltd. Cyanoacrylate adhesive with improved water resistance
CN102994022A (en) * 2012-10-31 2013-03-27 安徽东方金河精密机械制造有限公司 Instant adhesive
CN103666293A (en) * 2013-12-02 2014-03-26 南通瑞普埃尔生物工程有限公司 Heat resistance instant dry adhesive and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459846A (en) * 2017-07-26 2017-12-12 柳州金特新型耐磨材料股份有限公司 Antistripping wearable ceramic coat and preparation method thereof
CN109768123A (en) * 2019-01-31 2019-05-17 泰州隆基乐叶光伏科技有限公司 A kind of welding method
CN110591569A (en) * 2019-09-17 2019-12-20 浙江派菲特新材料科技有限公司 Environment-friendly low-whitening instant adhesive
CN114395334A (en) * 2022-03-15 2022-04-26 宁波百仕高联合工业有限公司 Preparation method of high-water-resistance instant adhesive
CN114395334B (en) * 2022-03-15 2023-09-26 宁波百仕高联合工业有限公司 Preparation method of high-water-resistance instant adhesive

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Address after: 318050, No. 2, No. 195, Datian village, Lu Qiao Town, Zhejiang, Taizhou

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