CN102676089B - A kind of JSF stick without free formaldehyde release and preparation method thereof - Google Patents
A kind of JSF stick without free formaldehyde release and preparation method thereof Download PDFInfo
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- CN102676089B CN102676089B CN201210113477.1A CN201210113477A CN102676089B CN 102676089 B CN102676089 B CN 102676089B CN 201210113477 A CN201210113477 A CN 201210113477A CN 102676089 B CN102676089 B CN 102676089B
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Abstract
The invention discloses a kind of JSF stick without free formaldehyde release and preparation method thereof, by the weight part of constitutive material, the water of total for polyethylene alcohol and water consumption 85% is joined in reactor successively, heating temperatures is to 90-95 DEG C, and condensing reflux, until polyvinyl alcohol all dissolves; Then cool to 75-85 DEG C, add oxalic dialdehyde, insulation reaction 0.5-2.0h with after salt acid for adjusting pH value 1.5-2.5; Add the water of the total consumption 15% of water again, and then add treated starch continuation reaction 0.5-1.0h; Be finally 7.0-8.0 by alkali lye adjust ph, cooling discharging, obtains the JSF stick that thick liquid discharges without free formaldehyde.Tackiness agent prepared by the present invention discharges without free formaldehyde, non-irritating smell, is conducive to HUMAN HEALTH and environment protection; And its water-tolerant, the stable storing phase is long, and production technique is simple, is easy to operate and control.
Description
Technical field
The present invention relates to a kind of JSF stick without free formaldehyde release and preparation method thereof, belong to polymeric material field.
Background technology
Polyvinyl acetal is that in tackiness agent, one is well one of material modified, the condensation product of polyvinyl alcohol and various aldehydes is referred to as polyvinyl acetal, main products is polyvinyl formal and polyvinyl butyral acetal two kinds, and polyvinyl acetal is nontoxic, odorless, non-corrosiveness, there is certain chemical stability, be heated to more than 100 DEG C and just thermolysis occur, obtained tackiness agent has good mechanical property, resistance toheat, chemical stability is good, but also there is good insulativity, water tolerance, ageing resistance, film-forming properties and puncture, to metal, timber etc. have good tackiness.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of JSF stick without free formaldehyde release and preparation method thereof, tackiness agent prepared by the present invention discharges without free formaldehyde, non-irritating smell, is conducive to HUMAN HEALTH and environment protection; And its water-tolerant, the stable storing phase is long, and production technique is simple, is easy to operate and control.
The present invention adopts following technical scheme to achieve these goals:
Without the JSF stick of free formaldehyde release, it is characterized in that the weight part of its constitutive material is: polyvinyl alcohol 5-8, oxalic dialdehyde 1-4, water 88-93 and treated starch 0.5-1.0.
The preparation method of the described JSF stick without free formaldehyde release, is characterized in that comprising the following steps:
(1) by the weight part of constitutive material, the water of total for polyethylene alcohol and water consumption 85% is joined in reactor successively, stir, temperature of reaction system is heated to 90-95 DEG C, condensing reflux, until polyvinyl alcohol all dissolves;
(2) step (1) temperature of reaction system is dropped to 75-85 DEG C, regulate the pH value of this system to be add oxalic dialdehyde, insulation reaction 0.5-2.0h after 1.5-2.5 with hydrochloric acid;
(3) in step (2) reaction system, add the water of the total consumption 15% of water, and then add treated starch continuation reaction 0.5-1.0h;
(4) regulate this system pH to be 7.0-8.0 with alkali lye, cooling discharging, obtains the thick liquid of colourless, non-irritating smell, is the JSF stick without free formaldehyde release.
The described JSF stick without free formaldehyde release, it is characterized in that the weight part of benzene emulsion constitutive material is: deionized water 95-105, methyl alcohol 4-6, polyamidoamine dendrimer 0.5-1.5, vinylbenzene 18-22, methyl methacrylate 6-10, vinylformic acid 4-6, Potassium Persulphate 0.3-0.5, Sodium dodecylbenzene sulfonate 0.5-0.7 also containing benzene emulsion 1-3 in its constitutive material; Prepared by following steps:
75-85 part deionized water and whole emulsifying agent Sodium dodecylbenzene sulfonatees, methyl alcohol are added four-hole boiling flask, and high-speed stirring is abundant to emulsifier, passes into N
2gas shielded, at the uniform velocity stirs, and then adds the methanol solution of polyamidoamine dendrimer; Carry out warming-in-water simultaneously, wait to be warmed up to about 80 DEG C, dripped respectively into flask by two constant flow pumps by monomer styrene, methyl methacrylate and vinylformic acid and with the consoluet Potassium Persulphate of deionized water, control to add for 0.5 hour; After monomer and Potassium Persulphate drip off simultaneously, insulation 1h, is then warming up to 85-95 DEG C of slaking 1h; Stop heating, stir and be cooled to room temperature, obtain polymer emulsion.
Benzene emulsion and oxalic dialdehyde add in the lump to participate in and react.
Beneficial effect of the present invention:
Tackiness agent prepared by the present invention discharges without free formaldehyde, non-irritating smell, is conducive to HUMAN HEALTH and environment protection; And its water-tolerant, the stable storing phase is long, and production technique is simple, is easy to operate and control.
Embodiment
Embodiment 1: without the JSF stick of free formaldehyde release, it is characterized in that the weight part of its constitutive material is: polyvinyl alcohol 5-8, oxalic dialdehyde 1-4, water 88-93 and treated starch 0.5-1.0.
The preparation method of the described JSF stick without free formaldehyde release, is characterized in that comprising the following steps:
(1) by the weight part of constitutive material, the water of total for polyethylene alcohol and water consumption 85% is joined in reactor successively, stir, temperature of reaction system is heated to 90-95 DEG C, condensing reflux, until polyvinyl alcohol all dissolves;
(2) step (1) temperature of reaction system is dropped to 75-85 DEG C, regulate the pH value of this system to be add oxalic dialdehyde, insulation reaction 0.5-2.0h after 1.5-2.5 with hydrochloric acid;
(3) in step (2) reaction system, add the water of the total consumption 15% of water, and then add treated starch continuation reaction 0.5-1.0h;
(4) regulate this system pH to be 7.0-8.0 with alkali lye, cooling discharging, obtains the thick liquid of colourless, non-irritating smell, is the JSF stick without free formaldehyde release.
The performance detection data of JSF stick of the present invention:
Embodiment 2
Without the JSF stick of free formaldehyde release, relative to embodiment 1, also containing benzene emulsion 1-3 in its constitutive material, the weight part of benzene emulsion constitutive material is: deionized water 100, methyl alcohol 5, polyamidoamine dendrimer 1.5, vinylbenzene 22, methyl methacrylate 6, vinylformic acid 6, Potassium Persulphate 0.3, Sodium dodecylbenzene sulfonate 0.5; Prepared by following steps:
75-85 part deionized water and whole emulsifying agent Sodium dodecylbenzene sulfonatees, methyl alcohol are added four-hole boiling flask, and high-speed stirring is abundant to emulsifier, passes into N
2gas shielded, at the uniform velocity stirs, and then adds the methanol solution of polyamidoamine dendrimer; Carry out warming-in-water simultaneously, wait to be warmed up to about 80 DEG C, dripped respectively into flask by two constant flow pumps by monomer styrene, methyl methacrylate and vinylformic acid and with the consoluet Potassium Persulphate of deionized water, control to add for 0.5 hour; After monomer and Potassium Persulphate drip off simultaneously, insulation 1h, is then warming up to 85-95 DEG C of slaking 1h; Stop heating, stir and be cooled to room temperature, obtain polymer emulsion.
Benzene emulsion and oxalic dialdehyde add in the lump to participate in and react.
All the other are with embodiment 1.
Claims (2)
1., without a JSF stick for free formaldehyde release, it is characterized in that the weight part of its constitutive material is: polyvinyl alcohol 5-8, oxalic dialdehyde 1-4, water 88-93 and treated starch 0.5-1.0;
Also containing benzene emulsion 1-3, the weight part of benzene emulsion constitutive material is: deionized water 95-105, methyl alcohol 4-6, polyamidoamine dendrimer 0.5-1.5, vinylbenzene 18-22, methyl methacrylate 6-10, vinylformic acid 4-6, Potassium Persulphate 0.3-0.5, Sodium dodecylbenzene sulfonate 0.5-0.7; Prepared by following steps:
75-85 part deionized water and whole emulsifying agent Sodium dodecylbenzene sulfonatees, methyl alcohol are added four-hole boiling flask, and high-speed stirring is abundant to emulsifier, passes into N
2gas shielded, at the uniform velocity stirs, and then adds the methanol solution of polyamidoamine dendrimer; Carry out warming-in-water simultaneously, wait to be warmed up to 80 DEG C, dripped respectively into flask by two constant flow pumps by monomer styrene, methyl methacrylate and vinylformic acid and with the consoluet Potassium Persulphate of deionized water, control to add for 0.5 hour; After monomer and Potassium Persulphate drip off simultaneously, insulation 1h, is then warming up to 85-95 DEG C of slaking 1h; Stop heating, stir and be cooled to room temperature, obtain polymer emulsion.
2., as claimed in claim 1 without a preparation method for the JSF stick of free formaldehyde release, it is characterized in that comprising the following steps:
(1) by the weight part of constitutive material, the water of total for polyethylene alcohol and water consumption 85% is joined in reactor successively, stir, temperature of reaction system is heated to 90-95 DEG C, condensing reflux, until polyvinyl alcohol all dissolves;
(2) step (1) temperature of reaction system is dropped to 75-85 DEG C, with hydrochloric acid regulate the pH value of this system be add after 1.5-2.5 oxalic dialdehyde, benzene emulsion, insulation reaction 0.5-2.0h;
(3) in step (2) reaction system, add the water of the total consumption 15% of water, and then add treated starch continuation reaction 0.5-1.0h;
(4) regulate this system pH to be 7.0-8.0 with alkali lye, cooling discharging, obtains the thick liquid of colourless, non-irritating smell, is the JSF stick without free formaldehyde release.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210113477.1A CN102676089B (en) | 2012-04-17 | 2012-04-17 | A kind of JSF stick without free formaldehyde release and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210113477.1A CN102676089B (en) | 2012-04-17 | 2012-04-17 | A kind of JSF stick without free formaldehyde release and preparation method thereof |
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| CN102676089A CN102676089A (en) | 2012-09-19 |
| CN102676089B true CN102676089B (en) | 2016-03-23 |
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| CN201210113477.1A Active CN102676089B (en) | 2012-04-17 | 2012-04-17 | A kind of JSF stick without free formaldehyde release and preparation method thereof |
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| CN104312495A (en) * | 2014-11-17 | 2015-01-28 | 宁夏中远天宇科技有限公司 | Production ratio of novel formaldehyde-free adhesive |
Citations (4)
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| CN86104811A (en) * | 1986-07-19 | 1988-02-17 | 徐克信 | Soluble polyvinyl acetals adhesive |
| CN101735746A (en) * | 2009-12-11 | 2010-06-16 | 莆田市奥奇偏振器件有限公司 | Polaroid sheet, adhesive and preparation method thereof |
| CN102002332A (en) * | 2010-11-03 | 2011-04-06 | 广州市诺康化工有限公司 | Formaldehyde-free building adhesive and preparation process thereof |
| CN102041687A (en) * | 2010-11-01 | 2011-05-04 | 张瑜 | Waterproof ventilated synthetic leather and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384654A (en) * | 2006-01-12 | 2009-03-11 | 太尔公司 | Polymer-aldehyde binding system for manufacture of wood products |
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2012
- 2012-04-17 CN CN201210113477.1A patent/CN102676089B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104811A (en) * | 1986-07-19 | 1988-02-17 | 徐克信 | Soluble polyvinyl acetals adhesive |
| CN101735746A (en) * | 2009-12-11 | 2010-06-16 | 莆田市奥奇偏振器件有限公司 | Polaroid sheet, adhesive and preparation method thereof |
| CN102041687A (en) * | 2010-11-01 | 2011-05-04 | 张瑜 | Waterproof ventilated synthetic leather and preparation method thereof |
| CN102002332A (en) * | 2010-11-03 | 2011-04-06 | 广州市诺康化工有限公司 | Formaldehyde-free building adhesive and preparation process thereof |
Non-Patent Citations (3)
| Title |
|---|
| "PVA/乙二醛缩醛胶的制备与性能表征";郑文治等;《精细石油化工进展》;20000731;第1卷(第7期);第27-28页 * |
| "乙二醛改性聚乙烯醇纸张增强剂的研究";李小瑞等;《中华纸业》;20061130;第27卷(第10期);第59-62页 * |
| "水溶性聚乙烯醇缩乙二醛胶粘剂的制备";孙幼红;《南京晓庄学院学报》;20090531(第3期);第42-44页 * |
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