CN104073201A - Novel preparation method of polyurethane adhesive - Google Patents
Novel preparation method of polyurethane adhesive Download PDFInfo
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- CN104073201A CN104073201A CN201410283626.8A CN201410283626A CN104073201A CN 104073201 A CN104073201 A CN 104073201A CN 201410283626 A CN201410283626 A CN 201410283626A CN 104073201 A CN104073201 A CN 104073201A
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Abstract
The invention discloses a preparation method of a novel polyurethane adhesive, relating to the technical field of chemical engineering. The polyurethane adhesive comprises the following raw materials in parts by weight: 95-105 parts of polyurethane, 400-500 parts of mixed solvent, 38-40 parts of methyl methacrylate, 13-15 parts of butyl acrylate, 0.5-1.5 parts of benzoyl peroxide, and 1.0-2.0 parts of acrylic acid. The novel preparation method has the beneficial effects of being convenient and simple, environment-friendly and pollution-free, easily available in raw materials, less in equipment investment and convenient to operate, and the prepared novel polyurethane adhesive is high in purity, good in usage effect, strong in high temperature resistance, applicable in adhesion, safe and reliable.
Description
Technical field
The present invention relates to chemical technology field, be specifically related to a kind of preparation method of novel adhesive for polyurethane.
Background technology
Sizing agent is that development of modern industry and human living standard improve requisite important materials, and sizing agent and adhesive technology, with the incomparable special warfare of other mode of connection, are being brought into play significant role in modern economy, modern national defense, modern science and technology.As almost do not adopted sizing agent and adhesive technology in the various aircraft of modern space flight and aviation, can say, the where is it mankind ' where just can't do without sizing agent product and adhesive technology, it for industry provide Nover practical technique ' built colourful life for the mankind.Sizing agent and plastics, synthetic rubber, synthetic fiber coating material is also called five large synthetic materialss, it is produced with application and relates to multi-disciplinary high integrity ' comprise polymer chemistry, materialogy, organic chemistry, inorganic chemistry, analytical chemistry, Polymer Physics, physics, rheology, the subjects such as biology, the kind of sizing agent has a variety of, the scope of application of every kind of sizing agent also has the industry matching most with it to use, a kind of more novel sizing agent of adhesive for polyurethane, but due to the technique of its making and easy to make all very traditional, the amount of general this adhesive for polyurethane is on the market also little, all to adopt off-gauge atypical sizing agent to substitute, result of use is science ideal not.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of viscosity suitable, the preparation method of the simple a kind of novel adhesive for polyurethane of preparation technology.
Technical problem to be solved by this invention realizes by the following technical solutions:
A novel adhesive for polyurethane, is characterized in that: the raw material by following component forms:
The preferred weight of each raw material is:
In described mixed solvent, comprise butanone, acetoneand ethyl acetate, described butanone, the component of acetoneand ethyl acetate are than being 12:7:1.
Another object of the present invention is the method for a kind of novel adhesive for polyurethane of preparation the present invention, it is characterized in that: comprise following processing step,
A. take butanone, acetoneand ethyl acetate according to the proportioning of formula ratio, then in stirred pot, stir 30min, the mixed solvent that configuration reaction is required, for subsequent use.
B. choose a reactor, described reactor is equipped with chuck and agitator.
C. the mixed solvent of preparing in step a is taken in 1/2 reactor adding in step b, start whipping appts, start to stir.
D. after the reactant in above-mentioned steps c stirs, then, according to formula ratio, urethane all in raw material is added into wherein, stirring reaction 2h, and be warming up to 40 DEG C.
E. after the urethane in above-mentioned steps d still dissolves completely, according to formula ratio, the methyl methacrylate in raw material, butyl acrylate and vinylformic acid are all added in reactor to stirring reaction 30min.
F. after above-mentioned steps e reaction finishes, the temperature in still is warming up to 60 DEG C, then, according to formula ratio, the benzoyl peroxide in raw material is added wherein, continue, after reaction 2h, to be warming up to 70 DEG C, insulation reaction 2h.
G. after above-mentioned steps f reaction finishes, the mixture temperature in reactor is down to 40 DEG C, 1/2 mixed solvent remaining in the mixing solutions of then being prepared by step a adds wherein, is uniformly mixed.
H. after the reactant in above-mentioned steps g still stirs, reactant in still is filtered, then carrying out coolingly, the product obtaining is the present invention's novel adhesive for polyurethane finished product to be prepared, packaging, warehouse-in.
The invention has the beneficial effects as follows: the present invention is easy to prepare simple, and environment friendly and pollution-free, raw material is easy to get, and facility investment is few, and purity is high, convenient operation, the novel adhesive for polyurethane result of use of preparation is good, and high thermal resistance is strong, and viscosity adapts to, safe and reliable.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
A novel adhesive for polyurethane, is made up of the raw material of following component:
Another object of the present invention is the method for the novel adhesive for polyurethane of preparation the present invention, comprises following processing step,
A. take butanone 269.5-270.5 part, acetone 157-157 part and ethyl acetate 22-23 part, be then all added in a stirred pot, after stirring reaction 30min, the mixed solvent that configuration reaction is required, for subsequent use.
B. choose a reactor, described reactor is equipped with chuck and agitator.
C. the mixed solvent of preparing in step a is taken in 1/2 reactor adding in step b, start whipping appts, start to stir.
D. after the reactant in above-mentioned steps c stirs, then, according to formula ratio, urethane all in raw material is added into wherein, stirring reaction 2h, and be warming up to 40 DEG C.
E. after the urethane in above-mentioned steps d still dissolves completely, according to formula ratio, the methyl methacrylate in raw material, butyl acrylate and vinylformic acid are all added in reactor to stirring reaction 30min.
F. after above-mentioned steps e reaction finishes, the temperature in still is warming up to 60 DEG C, then, according to formula ratio, the benzoyl peroxide in raw material is added wherein, continue, after reaction 2h, to be warming up to 70 DEG C, insulation reaction 2h.
G. after above-mentioned steps f reaction finishes, the mixture temperature in reactor is down to 40 DEG C, 1/2 mixed solvent remaining in the mixing solutions of then being prepared by step a adds wherein, is uniformly mixed.
H. after the reactant in above-mentioned steps g still stirs, reactant in still is filtered, then carrying out coolingly, the product obtaining is the present invention's novel adhesive for polyurethane finished product to be prepared, packaging, warehouse-in.
Embodiment 2
A novel adhesive for polyurethane, is made up of the raw material of following component:
Another object of the present invention is the method for the novel adhesive for polyurethane of preparation the present invention, comprises following processing step,
A. take 22.5 parts of 270 parts of butanone, 157.5 parts, acetone and ethyl acetate, be then all added in a stirred pot, after stirring reaction 30min, the mixed solvent that configuration reaction is required, for subsequent use.
B. choose a reactor, described reactor is equipped with chuck and agitator.
C. the mixed solvent of preparing in step a is taken in 1/2 reactor adding in step b, start whipping appts, start to stir.
D. after the reactant in above-mentioned steps c stirs, then, according to formula ratio, urethane all in raw material is added into wherein, stirring reaction 2h, and be warming up to 40 DEG C.
E. after the urethane in above-mentioned steps d still dissolves completely, according to formula ratio, the methyl methacrylate in raw material, butyl acrylate and vinylformic acid are all added in reactor to stirring reaction 30min.
F. after above-mentioned steps e reaction finishes, the temperature in still is warming up to 60 DEG C, then, according to formula ratio, the benzoyl peroxide in raw material is added wherein, continue, after reaction 2h, to be warming up to 70 DEG C, insulation reaction 2h.
G. after above-mentioned steps f reaction finishes, the mixture temperature in reactor is down to 40 DEG C, 1/2 mixed solvent remaining in the mixing solutions of then being prepared by step a adds wherein, is uniformly mixed.
H. after the reactant in above-mentioned steps g still stirs, reactant in still is filtered, then carrying out coolingly, the product obtaining is the present invention's novel adhesive for polyurethane finished product to be prepared, packaging, warehouse-in.
More than show and described ultimate principle of the present invention and 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; that in above-described embodiment and specification sheets, describes 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.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a novel adhesive for polyurethane, is characterized in that: the raw material by following component forms:
。
2. a kind of novel adhesive for polyurethane according to claim 1, is characterized in that: preferred composition is made up of the raw material of following weight,
。
3. a kind of novel adhesive for polyurethane according to claim 1, is characterized in that: in described mixed solvent, comprise butanone, acetoneand ethyl acetate, described butanone, the component of acetoneand ethyl acetate are than being 12:7:1.
4. prepare a kind of novel adhesive for polyurethane preparation method described in claim 1-2 any one, it is characterized in that: comprise the following steps,
A. take butanone, acetoneand ethyl acetate according to the proportioning of formula ratio, then in stirred pot, stir 30min, the mixed solvent that configuration reaction is required, for subsequent use.
B. choose a reactor, described reactor is equipped with chuck and agitator.
C. the mixed solvent of preparing in step a is taken in 1/2 reactor adding in step b, start whipping appts, start to stir.
D. after the reactant in above-mentioned steps c stirs, then, according to formula ratio, urethane all in raw material is added into wherein, stirring reaction 2h, and be warming up to 40 DEG C.
E. after the urethane in above-mentioned steps d still dissolves completely, according to formula ratio, the methyl methacrylate in raw material, butyl acrylate and vinylformic acid are all added in reactor to stirring reaction 30min.
F. after above-mentioned steps e reaction finishes, the temperature in still is warming up to 60 DEG C, then, according to formula ratio, the benzoyl peroxide in raw material is added wherein, continue, after reaction 2h, to be warming up to 70 DEG C, insulation reaction 2h.
G. after above-mentioned steps f reaction finishes, the mixture temperature in reactor is down to 40 DEG C, 1/2 mixed solvent remaining in the mixing solutions of then being prepared by step a adds wherein, is uniformly mixed.
H. after the reactant in above-mentioned steps g still stirs, reactant in still is filtered, then carrying out coolingly, the product obtaining is the present invention's novel adhesive for polyurethane finished product to be prepared, packaging, warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410283626.8A CN104073201A (en) | 2014-06-20 | 2014-06-20 | Novel preparation method of polyurethane adhesive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410283626.8A CN104073201A (en) | 2014-06-20 | 2014-06-20 | Novel preparation method of polyurethane adhesive |
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| CN104073201A true CN104073201A (en) | 2014-10-01 |
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| CN201410283626.8A Pending CN104073201A (en) | 2014-06-20 | 2014-06-20 | Novel preparation method of polyurethane adhesive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978125A (en) * | 2017-03-15 | 2017-07-25 | 乾大新材料有限公司 | High temperature resistant heat activated adhesive and preparation method thereof |
| CN112812718A (en) * | 2021-01-28 | 2021-05-18 | 昆山市冠宝化学有限公司 | Preparation process of high-performance polyurethane adhesive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10223652A1 (en) * | 2002-05-28 | 2003-12-24 | Basf Coatings Ag | Graft copolymers based on polyurethane, their preparation and their use |
| CN101113308A (en) * | 2007-07-24 | 2008-01-30 | 中国建筑材料科学研究总院 | Interface additive for improving interface bond strength of polyurethane pellicle and organic glass |
| CN103031093A (en) * | 2012-12-12 | 2013-04-10 | 常州大学 | Method for preparing water-based urethane acrylate pressure-sensitive adhesive |
-
2014
- 2014-06-20 CN CN201410283626.8A patent/CN104073201A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10223652A1 (en) * | 2002-05-28 | 2003-12-24 | Basf Coatings Ag | Graft copolymers based on polyurethane, their preparation and their use |
| CN101113308A (en) * | 2007-07-24 | 2008-01-30 | 中国建筑材料科学研究总院 | Interface additive for improving interface bond strength of polyurethane pellicle and organic glass |
| CN103031093A (en) * | 2012-12-12 | 2013-04-10 | 常州大学 | Method for preparing water-based urethane acrylate pressure-sensitive adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 冯光炷 主编: "《建筑与装饰胶黏剂》", 31 May 2009, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978125A (en) * | 2017-03-15 | 2017-07-25 | 乾大新材料有限公司 | High temperature resistant heat activated adhesive and preparation method thereof |
| CN112812718A (en) * | 2021-01-28 | 2021-05-18 | 昆山市冠宝化学有限公司 | Preparation process of high-performance polyurethane adhesive |
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