CN1088603A - Make the method for glue - Google Patents
Make the method for glue Download PDFInfo
- Publication number
- CN1088603A CN1088603A CN 92114774 CN92114774A CN1088603A CN 1088603 A CN1088603 A CN 1088603A CN 92114774 CN92114774 CN 92114774 CN 92114774 A CN92114774 A CN 92114774A CN 1088603 A CN1088603 A CN 1088603A
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- CN
- China
- Prior art keywords
- polyvinyl alcohol
- glue
- water
- cooled
- add
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Paper (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of method of making glue, this method is raw materials used to be comprised: polyvinyl alcohol, formaldehyde, hydrochloric acid, sodium hydroxide, water or distilled water.The operation that is adopted comprises: add hot water to about 70 ℃; When stirring, add polyvinyl alcohol, continue to be heated to 90 ℃, polyvinyl alcohol is all dissolved; Be cooled to 80 ℃, add hydrochloric acid; Splash into formaldehyde at 80 ℃; Be cooled to 60 ℃, being neutralized to the pH value with sodium hydroxide is 7-8.This glue can directly be applied to bonded thing surface, also can mix in powder or the slurry, also can use with the aqueous solution of carboxymethyl cellulose.
Description
The present invention relates to a kind of method of making glue
Glue be a kind of be the Chemical Felter of main raw material with the polyvinyl alcohol, it is suitable for bonding paper, timber and porcelain etc., is used to sizing in textile industry, is used in sand-cement slurry or the various coating to help strengthening the matrix cohesive strength.But, because the complex manufacturing of existing glue, causing far can not satisfying from quantity and cost value aspect the needs of above-mentioned each side, how to simplify production technique, improve the output and the quality of glue and reduce production costs, is the theme that those skilled in the art study.
The objective of the invention is to provide the method for the manufacturing high-performance glue that a kind of technology is simple and cost is low.
Above-mentioned purpose of the present invention is achieved in that with the polyvinyl alcohol to be main raw material, and is auxiliary material with formaldehyde, hydrochloric acid, sodium hydroxide and water or distilled water.Preparation section then comprises: stir the adding polyvinyl alcohol in the water of heating; Make polyvinyl alcohol all dissolve the back and add hydrochloric acid; Add formaldehyde; Being neutralized to pH value with sodium hydroxide is 7-8.
Experiment shows: although method of the present invention is very simple, and raw materials used kind is less, and its performance (as cohesive strength, ageing resistance, moisture resistance ability, fungi-proofing ability) is similar or better to existing glue.
Provide the preferred forms of the method for manufacturing glue of the present invention below by embodiment.
Embodiment:
One, composition of raw materials (weight part)
Polyvinyl alcohol (1788) 100
Formaldehyde (37%) 41
Hydrochloric acid (36%) 7
Sodium hydroxide (10%) is an amount of
Water or distilled water 1000-1200
Two, preparation technology
1. water is added and be heated to about 70 ℃ in the water-bath still, and start agitator.
2. slowly add polyvinyl alcohol, and continue to be heated to 90 ℃, polyvinyl alcohol is all dissolved.
3. be cooled to 80 ℃, add hydrochloric acid and stirred 20 minutes;
4. under 80 ℃ temperature, splashed into formaldehyde reaction 1 hour;
5. behind the reaction result, be cooled to 60 ℃, being neutralized to pH value with sodium hydroxide is 7-8, is finished product glue after the cooling.
Three, using method
1. the same with common glue, brush in bonded thing surface;
2. evenly mix in various powders and the slurry;
3. use with 1% carboxymethyl cellulose aqueous solution.
Claims (5)
- A kind of method of making glue is characterized in that comprising following operation:1, water or the distilled water with 1000-1200 part is heated to about 70 ℃ in the water-bath still, and starts agitator;
- 2, slowly add 100 parts of polyvinyl alcohol, and continue to be heated to 90 ℃, polyvinyl alcohol is all dissolved;
- 3, be cooled to 80 ℃, add hydrochloric acid and stir,
- 4, splashed into formaldehyde reaction 1 hour at 80 ℃,
- 5, be cooled to 60 ℃, and hydro-oxidation sodium to be neutralized to pH value be 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92114774 CN1088603A (en) | 1992-12-25 | 1992-12-25 | Make the method for glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92114774 CN1088603A (en) | 1992-12-25 | 1992-12-25 | Make the method for glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1088603A true CN1088603A (en) | 1994-06-29 |
Family
ID=4947100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92114774 Pending CN1088603A (en) | 1992-12-25 | 1992-12-25 | Make the method for glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1088603A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058043C (en) * | 1995-04-26 | 2000-11-01 | 景秀华 | Ceramic decal agent |
| CN102643620A (en) * | 2012-04-27 | 2012-08-22 | 苏州思必达洁净制品有限公司 | Purification cotton swab glue production process, purification cotton swab glue and usage method of purification cotton swab glue |
| CN103755977A (en) * | 2013-12-20 | 2014-04-30 | 吴江华诚复合材料科技有限公司 | PVA (Polyvinyl Acetate) decocting method |
| 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 |
| CN105419692A (en) * | 2015-12-21 | 2016-03-23 | 常州市精尔锐工具制造有限公司 | Fixing glue for automobile sealing strips |
| CN107325756A (en) * | 2016-08-23 | 2017-11-07 | 如皋长江科技产业有限公司 | A kind of adhesive with anti-freezing property |
| CN107793961A (en) * | 2016-08-29 | 2018-03-13 | 杭州永桦包装印刷有限公司 | Anti freezing Adhesive with Recycling |
| CN108707439A (en) * | 2018-04-28 | 2018-10-26 | 钱小军 | A kind of high-viscosity glue |
-
1992
- 1992-12-25 CN CN 92114774 patent/CN1088603A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058043C (en) * | 1995-04-26 | 2000-11-01 | 景秀华 | Ceramic decal agent |
| CN102643620A (en) * | 2012-04-27 | 2012-08-22 | 苏州思必达洁净制品有限公司 | Purification cotton swab glue production process, purification cotton swab glue and usage method of purification cotton swab glue |
| CN103755977A (en) * | 2013-12-20 | 2014-04-30 | 吴江华诚复合材料科技有限公司 | PVA (Polyvinyl Acetate) decocting method |
| CN103755977B (en) * | 2013-12-20 | 2015-11-25 | 吴江华诚复合材料科技有限公司 | A kind of PVA cooking method |
| 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 |
| CN105419692A (en) * | 2015-12-21 | 2016-03-23 | 常州市精尔锐工具制造有限公司 | Fixing glue for automobile sealing strips |
| CN107325756A (en) * | 2016-08-23 | 2017-11-07 | 如皋长江科技产业有限公司 | A kind of adhesive with anti-freezing property |
| CN107793961A (en) * | 2016-08-29 | 2018-03-13 | 杭州永桦包装印刷有限公司 | Anti freezing Adhesive with Recycling |
| CN107793961B (en) * | 2016-08-29 | 2020-05-19 | 杭州永桦包装印刷有限公司 | Anti-freezing adhesive |
| CN108707439A (en) * | 2018-04-28 | 2018-10-26 | 钱小军 | A kind of high-viscosity glue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |