CN104087213A - Preparation method of polyvinyl formal adhesive - Google Patents
Preparation method of polyvinyl formal adhesive Download PDFInfo
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- CN104087213A CN104087213A CN201410280807.5A CN201410280807A CN104087213A CN 104087213 A CN104087213 A CN 104087213A CN 201410280807 A CN201410280807 A CN 201410280807A CN 104087213 A CN104087213 A CN 104087213A
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Abstract
The invention discloses a preparation method of a polyvinyl formal adhesive, and relates to the technical field of chemical industry. The polyvinyl formal adhesive is composed of the following raw materials in parts by weight: 46-48 parts of polyvinyl alcohol, 450-550 parts of water, 20-22 parts of formaldehyde, 4-6 parts of hydrochloric acid, 22-24 parts of urea, 2-4 parts of zinc oxide, and 0.5-1.5 parts of sodium hydroxide. The preparation method has the beneficial effects that the preparation method has the advantages of convenient and simple preparation, environmental protection, no pollution, easily available raw materials, little equipment investment, high purity, and convenient operation; and the prepared polyvinyl formal adhesive has the advantages of good use effect, strong high-temperature resistance, proper viscosity, safety and reliability.
Description
Technical field
The present invention relates to chemical technology field, be specifically related to the preparation method of the glutinous agent of a kind of formaldehyde polyvinyl acetal.
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, formaldehyde polyvinyl acetal sticks a kind of more novel sizing agent of agent, due to the technique of its making and easy to make all very traditional, the amount of the glutinous agent of general this formaldehyde polyvinyl acetal is on the market also little.
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 glutinous agent of the simple a kind of formaldehyde polyvinyl acetal of preparation technology.
Technical problem to be solved by this invention realizes by the following technical solutions:
Formaldehyde polyvinyl acetal sticks an agent, it is characterized in that: the raw material by following component forms:
The preferred weight of each raw material is:
Another object of the present invention is to prepare the method for the glutinous agent of a kind of formaldehyde polyvinyl acetal of the present invention, it is characterized in that: comprise following processing step,
A. choose reactor, described reactor is equipped with chuck and agitator.
B. according to formula ratio, the water in raw material is all added in the reactor that step a chooses, then heats, until water temperature is 100 ℃.
C. according to formula ratio, the polyvinyl alcohol in raw material is all added in the hot water in step b, opens and stir, until polyvinyl alcohol all dissolves.
D. after the reaction in above-mentioned steps c finishes, the temperature in still is cooled to 80-90 ℃, then according to formula ratio, formaldehyde all in raw material is put into, continue stir and be warming up to 100 ℃.
E. after the solution stirring in above-mentioned steps d is even, the temperature in still is warming up to 100 ℃ again, according to formula ratio, the hydrochloric acid in raw material and zinc oxide is added wherein, stir.
F. after above-mentioned steps e reaction finishes, temperature in the kettle is cooled to 40-50 ℃, according to formula ratio, the sodium hydroxide in raw material and urea is all added wherein, stir and be warming up to 80-90 ℃, churning time is 2-3h.
G. after above-mentioned steps f stirring finishes, the reactant in still is lowered the temperature, then carry out discharging, the resulting product of discharging is the glutinous agent finished product of the present invention's formaldehyde polyvinyl acetal to be prepared, barreled, sealing, 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 glutinous agent result of use of formaldehyde polyvinyl acetal 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
Formaldehyde polyvinyl acetal sticks an agent, the raw material of following component, consists of:
Another object of the present invention is to prepare the method for the glutinous agent of formaldehyde polyvinyl acetal of the present invention, comprises following processing step,
A. choose reactor, described reactor is equipped with chuck and agitator.
B. according to formula ratio, the water in raw material is all added in the reactor that step a chooses, then heats, until water temperature is 100 ℃.
C. according to formula ratio, the polyvinyl alcohol in raw material is all added in the hot water in step b, opens and stir, until polyvinyl alcohol all dissolves.
D. after the reaction in above-mentioned steps c finishes, the temperature in still is cooled to 80-90 ℃, then according to formula ratio, formaldehyde all in raw material is put into, continue stir and be warming up to 100 ℃.
E. after the solution stirring in above-mentioned steps d is even, the temperature in still is warming up to 100 ℃ again, according to formula ratio, the hydrochloric acid in raw material and zinc oxide is added wherein, stir.
F. after above-mentioned steps e reaction finishes, temperature in the kettle is cooled to 40-50 ℃, according to formula ratio, the sodium hydroxide in raw material and urea is all added wherein, stir and be warming up to 80-90 ℃, churning time is 2-3h.
G. after above-mentioned steps f stirring finishes, the reactant in still is lowered the temperature, then carry out discharging, the resulting product of discharging is the glutinous agent finished product of the present invention's formaldehyde polyvinyl acetal to be prepared, barreled, sealing, warehouse-in.
Embodiment 2
Formaldehyde polyvinyl acetal sticks an agent, the raw material of following component, consists of:
Another object of the present invention is to prepare the method for the glutinous agent of formaldehyde polyvinyl acetal of the present invention, comprises following processing step,
A. choose reactor, described reactor is equipped with chuck and agitator.
B. according to formula ratio, the water in raw material is all added in the reactor that step a chooses, then heats, until water temperature is 100 ℃.
C. according to formula ratio, the polyvinyl alcohol in raw material is all added in the hot water in step b, opens and stir, until polyvinyl alcohol all dissolves.
D. after the reaction in above-mentioned steps c finishes, the temperature in still is cooled to 80-90 ℃, then according to formula ratio, formaldehyde all in raw material is put into, continue stir and be warming up to 100 ℃.
E. after the solution stirring in above-mentioned steps d is even, the temperature in still is warming up to 100 ℃ again, according to formula ratio, the hydrochloric acid in raw material and zinc oxide is added wherein, stir.
F. after above-mentioned steps e reaction finishes, temperature in the kettle is cooled to 40-50 ℃, according to formula ratio, the sodium hydroxide in raw material and urea is all added wherein, stir and be warming up to 80-90 ℃, churning time is 2-3h.
G. after above-mentioned steps f stirring finishes, the reactant in still is lowered the temperature, then carry out discharging, the resulting product of discharging is the glutinous agent finished product of the present invention's formaldehyde polyvinyl acetal to be prepared, barreled, sealing, 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 (3)
1. the glutinous agent of formaldehyde polyvinyl acetal, is characterized in that: the raw material by following component forms:
。
2. the glutinous agent of a kind of formaldehyde polyvinyl acetal according to claim 1, is characterized in that: preferred composition is comprised of the raw material of following weight,
。
3. prepare the glutinous agent preparation method of a kind of formaldehyde polyvinyl acetal described in claim 1-2 any one, it is characterized in that: comprise the following steps,
A. choose reactor, described reactor is equipped with chuck and agitator.
B. according to formula ratio, the water in raw material is all added in the reactor that step a chooses, then heats, until water temperature is 100 ℃.
C. according to formula ratio, the polyvinyl alcohol in raw material is all added in the hot water in step b, opens and stir, until polyvinyl alcohol all dissolves.
D. after the reaction in above-mentioned steps c finishes, the temperature in still is cooled to 80-90 ℃, then according to formula ratio, formaldehyde all in raw material is put into, continue stir and be warming up to 100 ℃.
E. after the solution stirring in above-mentioned steps d is even, the temperature in still is warming up to 100 ℃ again, according to formula ratio, the hydrochloric acid in raw material and zinc oxide is added wherein, stir.
F. after above-mentioned steps e reaction finishes, temperature in the kettle is cooled to 40-50 ℃, according to formula ratio, the sodium hydroxide in raw material and urea is all added wherein, stir and be warming up to 80-90 ℃, churning time is 2-3h.
G. after above-mentioned steps f stirring finishes, the reactant in still is lowered the temperature, then carry out discharging, the resulting product of discharging is the glutinous agent finished product of the present invention's formaldehyde polyvinyl acetal to be prepared, barreled, sealing, warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280807.5A CN104087213A (en) | 2014-06-20 | 2014-06-20 | Preparation method of polyvinyl formal adhesive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280807.5A CN104087213A (en) | 2014-06-20 | 2014-06-20 | Preparation method of polyvinyl formal adhesive |
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| CN104087213A true CN104087213A (en) | 2014-10-08 |
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| CN201410280807.5A Pending CN104087213A (en) | 2014-06-20 | 2014-06-20 | Preparation method of polyvinyl formal adhesive |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403606A (en) * | 2014-11-03 | 2015-03-11 | 安徽蓝翔电器成套设备有限公司 | Modified polyvinyl alcohol adhesive, and preparation method and application thereof |
| CN106047270A (en) * | 2016-05-26 | 2016-10-26 | 合肥市田源精铸有限公司 | Metal adhesive applicable to low temperatures and preparation method therefor |
| CN106281131A (en) * | 2016-08-25 | 2017-01-04 | 强新正品（苏州）环保材料科技有限公司 | A kind of glue |
| CN109096955A (en) * | 2018-09-05 | 2018-12-28 | 维大树脂化工（台山）有限公司 | A kind of production method of environmental-protection type adhesive |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63301208A (en) * | 1987-05-30 | 1988-12-08 | Sekisui Chem Co Ltd | Polyvinyl acetal resin for adhesive |
| CN1050891A (en) * | 1989-10-12 | 1991-04-24 | 陈家盛 | Building marine glue and production technique thereof |
| CN1100743A (en) * | 1993-09-24 | 1995-03-29 | 朱培立 | Adhesive glue for construction decoration material |
| CN103555227A (en) * | 2013-11-07 | 2014-02-05 | 湖南神力铃胶粘剂制造有限公司 | Adhesive made of waste silks of vinylon and preparation method thereof |
-
2014
- 2014-06-20 CN CN201410280807.5A patent/CN104087213A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63301208A (en) * | 1987-05-30 | 1988-12-08 | Sekisui Chem Co Ltd | Polyvinyl acetal resin for adhesive |
| CN1050891A (en) * | 1989-10-12 | 1991-04-24 | 陈家盛 | Building marine glue and production technique thereof |
| CN1100743A (en) * | 1993-09-24 | 1995-03-29 | 朱培立 | Adhesive glue for construction decoration material |
| CN103555227A (en) * | 2013-11-07 | 2014-02-05 | 湖南神力铃胶粘剂制造有限公司 | Adhesive made of waste silks of vinylon and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403606A (en) * | 2014-11-03 | 2015-03-11 | 安徽蓝翔电器成套设备有限公司 | Modified polyvinyl alcohol adhesive, and preparation method and application thereof |
| CN106047270A (en) * | 2016-05-26 | 2016-10-26 | 合肥市田源精铸有限公司 | Metal adhesive applicable to low temperatures and preparation method therefor |
| CN106281131A (en) * | 2016-08-25 | 2017-01-04 | 强新正品（苏州）环保材料科技有限公司 | A kind of glue |
| CN109096955A (en) * | 2018-09-05 | 2018-12-28 | 维大树脂化工（台山）有限公司 | A kind of production method of environmental-protection type adhesive |
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Application publication date: 20141008 |