CN104099054B - Acrylic acid-polyurethane modification by copolymerization starch adhesive formula and preparation technology thereof - Google Patents
Acrylic acid-polyurethane modification by copolymerization starch adhesive formula and preparation technology thereof Download PDFInfo
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- CN104099054B CN104099054B CN201410305200.8A CN201410305200A CN104099054B CN 104099054 B CN104099054 B CN 104099054B CN 201410305200 A CN201410305200 A CN 201410305200A CN 104099054 B CN104099054 B CN 104099054B
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Abstract
Acrylic acid-polyurethane modification by copolymerization starch adhesive formula and preparation technology thereof, relate to a kind of sizing agent, its composition mainly comprises acrylic acid modified starch and polyurethane-modified starch, after having prepared, by acrylic acid modified starch and the mixing of polyurethane-modified starch, proportion is 100:20-50, adds polyvinyl alcohol, be warming up to 190 DEG C, heating duration can obtain acrylic acid-polyurethane modification by copolymerization starch adhesive for 1 hour.Feature of the present invention: nontoxic, technique is simple, and property favorable rates is honest and clean, of many uses, good stability, and water resisting property is strong, and cohesive strength is high, practical.
Description
Technical field:
The present invention relates to a kind of sizing agent, be specifically related to acrylic acid-polyurethane modification by copolymerization starch adhesive formula and preparation technology thereof.
Background technology:
Chemical industry is development in modern times mainstay of the national economy industry very rapidly, and fine chemistry industry tail gas important component part, obtain the development of advancing by leaps and bounds in 20th century, the clothing, food, lodging and transportion--basic necessities of life of the unresolved mankind and the energy, resource and environment problem make significant contribution.
Sizing agent is that development of modern industry and human living standard improve requisite important materials, and sizing agent and bonding technology, with the incomparable special warfare of other mode of connection, play great effect in modern economy, modern national defense, modern science and technology.
Summary of the invention:
Technical problem to be solved by this invention is the defect overcoming prior art, provides a kind of acrylic acid-polyurethane modification by copolymerization starch adhesive formula and preparation technology thereof.
Technical problem to be solved by this invention realizes by the following technical solutions.
Acrylic acid-polyurethane modification by copolymerization starch adhesive is filled a prescription, and it is characterized in that: its composition mainly comprises acrylic acid modified starch and polyurethane-modified starch, is specially
Acrylic acid modified starch comprises:
PVA:50-60 part, starch: 12-15 part, ammoniacal liquor: 0-15 part, AA, AAm mixture: 0.3-0.4 part, ammonium persulphate: 0.2-0.3 part, ammonium bisulfite: 0.2-0.3 part, sanitas: 0.1-0.2 part, water: 1-20 part;
Polyurethane-modified starch comprises:
Starch: 7-10 part, borax: 0-1 part, water repellent agent: 1-2 part, catalyzer 0-1 part, urea: 0-0.5 part, water: 1-20 part, polyvinyl alcohol: 0-2 part, acidic oxidation agent: 0.1-1 part, organic acid: 0-1 part, sodium hydroxide: 0-1 part, aqurous ployurethane: 25-40 part.
Acrylic acid-polyurethane modification by copolymerization starch adhesive preparation technology, is characterized in that: comprise acrylic acid modified starch and prepared by polyurethane-modified starch, is specially:
The preparation of acrylic acid modified starch comprises:
Being mixed with 90% water by PVA adds in reactor, stir PVA was dissolved completely in 4 hours with 90 DEG C, be cooled to 75 DEG C, ammonium persulphate, ammonium bisulfite are mixed with 10% water, drip AA, AAm mixture and ammonium persulphate, ammonium bisulfite and water mixed solution, about 1-2 hour drips off, and insulation reaction 1 hour, then adds starch, continue heated and stirred 1 hour, add sanitas to stir, drop to less than 50 DEG C to temperature, regulate pH value to be discharging after 8-10 with ammoniacal liquor;
The preparation of polyurethane-modified starch comprises:
Water, starch is added, heated and stirred 20 minutes, temperature 60-70 DEG C in the pot that stirrer, thermometer are housed, observe situation in pot, if starch becomes pasty state, without the need to catalyzer, add borax and mix 5 minutes with sodium hydroxide, if not, add catalyzer, continue stirring 10 minutes; Add hydrogen peroxide, organic acid, polyvinyl alcohol, oxidizing reaction 30-40 minute, temperature 90-100 DEG C; Add the mixing solutions of aqurous ployurethane, urea, water repellent agent, temperature 80-90 DEG C, reaction times 1.5-3 hour;
After having prepared, by acrylic acid modified starch and the mixing of polyurethane-modified starch, proportion is 100:20-50, adds 5-10 part polyvinyl alcohol, is warming up to 190 DEG C, and heating duration can obtain acrylic acid-polyurethane modification by copolymerization starch adhesive for 1 hour.
Feature of the present invention: nontoxic, technique is simple, and property favorable rates is honest and clean, of many uses, good stability, and water resisting property is strong, and cohesive strength is high, practical.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Specific embodiment: acrylic acid-polyurethane modification by copolymerization starch adhesive is filled a prescription, and its composition mainly comprises acrylic acid modified starch and polyurethane-modified starch, is specially
Acrylic acid modified starch comprises:
PVA:50 part, starch: 15 parts, ammoniacal liquor: 0-15 part, AA, AAm mixture: 0.3 part, ammonium persulphate: 0.2 part, ammonium bisulfite: 0.2 part, sanitas: 0.1 part, water: 20 parts;
Polyurethane-modified starch comprises:
Starch: 10 parts, borax: 0-1 part, water repellent agent: 1 part, catalyzer 0-1 part, urea: 0-0.5 part, water: 20 parts, polyvinyl alcohol: 0-2 part, acidic oxidation agent: 1 part, organic acid: 0-1 part, sodium hydroxide: 0-1 part, aqurous ployurethane: 40 parts.
Acrylic acid-polyurethane modification by copolymerization starch adhesive preparation technology, comprises acrylic acid modified starch and prepared by polyurethane-modified starch, is specially:
The preparation of acrylic acid modified starch comprises:
Being mixed with 90% water by PVA adds in reactor, stir PVA was dissolved completely in 4 hours with 90 DEG C, be cooled to 75 DEG C, ammonium persulphate, ammonium bisulfite are mixed with 10% water, drip AA, AAm mixture and ammonium persulphate, ammonium bisulfite and water mixed solution, within about 2 hours, drip off, insulation reaction 1 hour, then adds starch, continue heated and stirred 1 hour, add sanitas to stir, drop to less than 50 DEG C to temperature, regulate pH value to be discharging after 8-10 with ammoniacal liquor;
The preparation of polyurethane-modified starch comprises:
Water, starch is added, heated and stirred 20 minutes, temperature 60 C in the pot that stirrer, thermometer are housed, observe situation in pot, if starch becomes pasty state, without the need to catalyzer, add borax and mix 5 minutes with sodium hydroxide, if not, add catalyzer, continue stirring 10 minutes; Add hydrogen peroxide, organic acid, polyvinyl alcohol, oxidizing reaction 30 minutes, temperature 100 DEG C; Add the mixing solutions of aqurous ployurethane, urea, water repellent agent, temperature 80 DEG C, 3 hours reaction times;
After having prepared, by acrylic acid modified starch and the mixing of polyurethane-modified starch, proportion is 100:50, adds 5 parts of polyvinyl alcohol, is warming up to 190 DEG C, and heating duration can obtain acrylic acid-polyurethane modification by copolymerization starch adhesive for 1 hour.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. acrylic acid-polyurethane modification by copolymerization starch adhesive preparation technology, is characterized in that: comprise acrylic acid modified starch and prepared by polyurethane-modified starch, is specially:
The preparation of acrylic acid modified starch comprises:
Being mixed with 90% in 1-20 part water by 50-60 part PVA adds in reactor, PVA was dissolved completely in 4 hours in 90 DEG C of stirrings, be cooled to 75 DEG C, by 0.2-0.3 part ammonium persulphate, 0.2-0.3 part ammonium bisulfite mixes with 10% in 1-20 part water, drip 0.3-0.4 part AA, AAm mixture and ammonium persulphate, ammonium bisulfite and water mixed solution, within 1-2 hour, drip off, insulation reaction 1 hour, then starch 12-15 part is added, continue heated and stirred 1 hour, add the stirring of sanitas 0.1-0.2 part, less than 50 DEG C are dropped to temperature, be discharging after 8-10 by 0-15 part ammoniacal liquor adjust ph,
The preparation of polyurethane-modified starch comprises:
Mainly comprise composition: starch: 7-10 part, borax: 0-1 part, water repellent agent: 1-2 part, catalyzer 0-1 part, urea: 0-0.5 part, water: 1-20 part, polyvinyl alcohol: 0-2 part, acidic oxidation agent: 0.1-1 part, organic acid: 0-1 part, sodium hydroxide: 0-1 part, aqurous ployurethane: 25-40 part;
Water, starch is added, heated and stirred 20 minutes, temperature 60-70 DEG C in the pot that stirrer, thermometer are housed, observe situation in pot, if starch becomes pasty state, without the need to catalyzer, add borax and mix 5 minutes with 0-1 part sodium hydroxide, if not, add catalyzer, continue stirring 10 minutes; Add hydrogen peroxide, organic acid, polyvinyl alcohol, oxidizing reaction 30-40 minute, temperature 90-100 DEG C; Add the mixing solutions of aqurous ployurethane, urea, water repellent agent, temperature 80-90 DEG C, reaction times 1.5-3 hour;
After having prepared, by acrylic acid modified starch and the mixing of polyurethane-modified starch, proportion is 100:20-50, adds 5-10 part polyvinyl alcohol, is warming up to 190 DEG C, and heating duration can obtain acrylic acid-polyurethane modification by copolymerization starch adhesive for 1 hour.
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| CN201410305200.8A CN104099054B (en) | 2014-06-30 | 2014-06-30 | Acrylic acid-polyurethane modification by copolymerization starch adhesive formula and preparation technology thereof |
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| CN105925076A (en) * | 2016-05-06 | 2016-09-07 | 安徽华辉塑业科技股份有限公司 | Coldproof paint for furniture and preparing method thereof |
| CN105907222A (en) * | 2016-05-06 | 2016-08-31 | 安徽华辉塑业科技股份有限公司 | High-temperature-resistant heat-insulating exterior wall coating material and preparation method thereof |
| CN105820696A (en) * | 2016-05-06 | 2016-08-03 | 安徽华辉塑业科技股份有限公司 | Coating for household appliance finishing degree and gloss retention and preparation method thereof |
| CN105820672A (en) * | 2016-05-06 | 2016-08-03 | 安徽华辉塑业科技股份有限公司 | Household appliance anticorrosive coating and preparation method thereof |
| CN105936778A (en) * | 2016-05-06 | 2016-09-14 | 安徽华辉塑业科技股份有限公司 | Delicate-fragrance and environmental-protection aqueous coating and preparation method thereof |
| CN105907221A (en) * | 2016-05-06 | 2016-08-31 | 安徽华辉塑业科技股份有限公司 | High-temperature-resistant coating material and preparation method thereof |
| CN107298956A (en) * | 2017-06-14 | 2017-10-27 | 安徽友捷包装材料有限公司 | A kind of preparation method of high strength acrylic acid amides glue |
| CN108034387A (en) * | 2017-12-07 | 2018-05-15 | 明光市永德包装有限公司 | A kind of bond for corrugated board preparation method of high stability |
| CN108529957B (en) * | 2018-05-17 | 2021-01-19 | 浙江省通用砂浆研究院 | Preparation method of biogel-reinforced high-viscosity special mortar for fabricated building |
| CN109233254A (en) * | 2018-07-28 | 2019-01-18 | 巢湖市瀚海渔具有限公司 | A kind of water suction degradable state bionic fish bait material living |
| CN110373119B (en) * | 2019-07-19 | 2021-07-20 | 聚隆(福建)包装有限公司 | Environment-friendly modified starch adhesive for manufacturing corrugated board, high-performance environment-friendly corrugated board and manufacturing method thereof |
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| CN1046738C (en) * | 1996-12-26 | 1999-11-24 | 国内贸易部谷物油脂化学研究所 | Method for preparation of starch graft copolymer acrylic acid (acrylate) super water-absorbing agent |
| CN1264942C (en) * | 2005-02-07 | 2006-07-19 | 时君友 | Water-thinned isocyanate adhesive with corn starch as main material and its prepn process |
| CN101050342A (en) * | 2006-04-05 | 2007-10-10 | 张龙 | Method for preparing environmental protection type binder in use for wood processing |
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Inventor after: Lai Hanhui Inventor before: Ding Wenchang Inventor before: Jiang Yilong Inventor before: Xu Lang Inventor before: Feng Junchao Inventor before: Feng Shusong Inventor before: Feng Junbiao Inventor before: Pei Jianjun |
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