CN103555128B - Be convenient to the face glue of the template demoulding - Google Patents
Be convenient to the face glue of the template demoulding Download PDFInfo
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- CN103555128B CN103555128B CN201310511616.0A CN201310511616A CN103555128B CN 103555128 B CN103555128 B CN 103555128B CN 201310511616 A CN201310511616 A CN 201310511616A CN 103555128 B CN103555128 B CN 103555128B
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Abstract
The present invention relates to a kind of face glue being convenient to the template demoulding, on the one hand, add brightening agent, by effective breakdown of emulsion, small silicon oil liquid grain can be made to separate out from aqueous phase, be adsorbed on xylon equably, while raising template smooth finish, the foundry loam amount after the template demoulding can be reduced, be convenient to the demoulding, on the other hand, add fire retardant, the flame retardant properties of template can be improved, avoid the generation of fire.
Description
Technical field
The present invention relates to and join glue field, be specifically related to a kind of face glue being convenient to the template demoulding.
Background technology
Building template is that concrete structure engineering is constructed requisite instrument, and it directly has influence on the economic benefit of the quality of engineering construction, speed, cost and construction enterprises.The main template form of existing concrete structure engineering is plywood form, the plywood form in use demoulding is difficult, and the number of turnover of template is few, this all causes the raising of cost, in addition, because building template is generally light wood, easy initiation fire, therefore, need invent a kind of building template face glue, be coated in building template surface, make it solve the problem.
Summary of the invention
In view of this, the object of this invention is to provide a kind of face glue being convenient to the template demoulding, be coated in building template surface, the smooth finish on building template surface can not only be made to increase, be convenient to the demoulding, and the flame retardant properties of building template can be improved, avoid the generation of fire.
For achieving the above object, the face glue being convenient to the template demoulding of the present invention, comprises following component by weight: 300 ~ 400 parts, formaldehyde, 160 ~ 220 parts, urea, properties-correcting agent 30 ~ 60 parts, modified corn starch 3 ~ 12 parts, trimeric cyanamide 10 ~ 20 parts, sodium cellulosate 8 ~ 15 parts, brightening agent 30 ~ 40 parts, fire retardant 50 ~ 70 parts, ammonium chloride 20 ~ 30 parts, wherein said formaldehyde to be mass percentage be 37% industrial formol.
The face glue being convenient to the template demoulding of the present invention, wherein preferred brightening agent is water miscible liquid, comprises following component by weight: acrylics monomer 20-30 part, negatively charged ion or nonionic surface active agent 2-3 part, initiator 1-2 part, dispersion agent 8-10 part, neutralizing agent 5-15 part, water 60-70 part.
The face glue being convenient to the template demoulding of the present invention, wherein preferred properties-correcting agent is one or more of paraformaldehyde, acetaldehyde, propionic aldehyde and butyraldehyde.
The face glue being convenient to the template demoulding of the present invention, wherein preferred fire retardant comprises following component by weight: ammonium low polyphosphate 50-80 part, ammonium pyrophosphate 10-15 part, Ureaphil 10-20 part, boric acid 10-15 part.
The face glue being convenient to the template demoulding of the present invention, wherein preferred brightening agent is 32 ~ 36 parts.
Advantageous Effects of the present invention is:
1. the face glue being convenient to the template demoulding of the present invention, adds brightening agent, by effective breakdown of emulsion, small silicon oil liquid grain can be made to separate out from aqueous phase, be adsorbed on xylon equably, while raising template smooth finish, the foundry loam amount after the template demoulding can be reduced, be convenient to the demoulding.
2. the face glue being convenient to the template demoulding of the present invention, adds fire retardant, can improve the flame retardant properties of template, avoid the generation of fire.
Embodiment
Below in conjunction with embodiment and experimental data, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
Embodiment 1: the preparation of face glue 1
Composition of raw materials:
| Raw material | Mass percent | Weight (g) |
| Formaldehyde | 37% | 300 |
| Urea | 98% | 160 |
| Properties-correcting agent (paraformaldehyde) | 99% | 30 |
| Modified corn starch | 3 | |
| Trimeric cyanamide | 99.8% | 10 |
| Sodium cellulosate | 99% | 8 |
| Fire retardant | 50 | |
| Brightening agent | 30 | |
| Ammonium chloride | 20 |
| Sulfuric acid | 30% | In right amount (adjust pH) |
| Sodium hydroxide | 30% | In right amount (adjust pH) |
Concrete preparation process is as follows:
(1) mass percentage weighing 300g is the formaldehyde of 37%, the urea of 160g, the paraformaldehyde of 30g, the modified corn starch of 3g, the trimeric cyanamide of 10g, the sodium cellulosate of 8g, 50g concentration be 50% the fire retardant aqueous solution (wherein fire retardant is made up of the component of following masses proportioning: ammonium low polyphosphate 31.25g, ammonium pyrophosphate 6.25g, Ureaphil 6.25g, boric acid 6.25g), 30g concentration be 50% brightening agent water miscible liquid (wherein brightening agent is made up of the component of following masses proportioning: acrylics monomer 6.250g, negatively charged ion or nonionic surface active agent 0.625g, initiator 0.3125g, dispersion agent 2.5g, neutralizing agent 1.5625g, water 18.75g), , ammonium chloride 30g,
(2) formaldehyde being 37% by the mass percentage that step (1) weighs adds in reactor, and heating formaldehyde temperature to 35 DEG C ~ 40 DEG C, regulates pH=7.5 with sodium hydroxide solution, then adds the sodium cellulosate that 80g urea and step (1) weigh;
(3) continue the formaldehyde temperature be heated in reactor when reaching 75 DEG C ~ 80 DEG C, stop heating, be warming up to 90 DEG C ~ 92 DEG C by temperature more than reactor self, regulate pH=9.5 with sodium hydroxide solution, then add 10g urea; Be incubated 90 ~ 120 minutes;
(4) adjust pH to 4.5 ~ 5.0, react to viscosity 60cp;
(5) adjust pH to 6.5 ~ 7.0, add 52g urea, temperature controls, at 80 DEG C ~ 90 DEG C, to react to viscosity 140cp;
(6) adjust pH to 7.0 ~ 7.5, add 18g urea, paraformaldehyde, trimeric cyanamide and modified corn starch that step (1) takes, temperature maintains 75 DEG C, be incubated 20 ~ 40 minutes, lowers the temperature;
(7) temperature is down to less than 40 DEG C, then adds brightening agent solution, retardant solution and ammonium chloride that step (1) weighs, after stirring, regulates pH=7.5, puts glue, obtain face glue.
The acid more than regulating pH used is sulfuric acid.
Embodiment 2: the preparation of face glue 2
Composition of raw materials:
| Raw material | Mass percent | Weight (g) |
| Formaldehyde | 37% | 330 |
| Urea | 98% | 170 |
| Properties-correcting agent (acetaldehyde) | 99% | 40 |
| Modified corn starch | 6 | |
| Trimeric cyanamide | 99.8% | 13 |
| Sodium cellulosate | 99% | 10 |
| Fire retardant | 56 | |
| Brightening agent | 34 | |
| Ammonium chloride | 23 | |
| Sulfuric acid | 30% | In right amount (adjust pH) |
| Sodium hydroxide | 30% | In right amount (adjust pH) |
Concrete preparation process is as follows:
(1) mass percentage weighing 330g is the formaldehyde of 37%, the urea of 170g, the acetaldehyde of 40g, the modified corn starch of 6g, the trimeric cyanamide of 13g, the sodium cellulosate of 10g, 56g concentration be 50% the fire retardant aqueous solution (wherein fire retardant is made up of the component of following masses proportioning: ammonium low polyphosphate 34.5g, ammonium pyrophosphate 7.0g, Ureaphil 7.5g, boric acid 7.0g), 34g concentration be 50% brightening agent water miscible liquid (wherein brightening agent is made up of the component of following masses proportioning: acrylics monomer 7.5g, negatively charged ion or nonionic surface active agent 0.7g, initiator 0.4g, dispersion agent 3.0g, neutralizing agent 3.4g, water 19g), ammonium chloride 23g,
(2) formaldehyde being 37% by the mass percentage that step (1) weighs adds in reactor, and heating formaldehyde temperature to 35 DEG C ~ 40 DEG C, regulates pH=8.0 with sodium hydroxide solution, then adds the sodium cellulosate that 85g urea and step (1) weigh;
(3) continue the formaldehyde temperature be heated in reactor when reaching 75 DEG C ~ 80 DEG C, stop heating, be warming up to 90 DEG C ~ 92 DEG C by temperature more than reactor self, regulate pH=9.5 ~ 11 with sodium hydroxide solution, then add 15g urea; Be incubated 90 ~ 120 minutes;
(4) adjust pH to 4.5 ~ 5.0, react to viscosity 70cp;
(5) adjust pH to 6.5 ~ 7.0, add 55g urea, temperature controls, at 80 DEG C ~ 90 DEG C, to react to viscosity 145cp;
(6) adjust pH to 7.0 ~ 7.5, add 15g urea, acetaldehyde, trimeric cyanamide and modified corn starch that step (1) takes, temperature maintains 75 DEG C, be incubated 20 ~ 40 minutes, lowers the temperature;
(7) temperature is down to less than 40 DEG C, then adds brightening agent, fire retardant and ammonium chloride that step (1) weighs, after stirring, regulates pH=7.5, puts glue, obtain face glue.
The acid more than regulating pH used is sulfuric acid.
Embodiment 3: the preparation of face glue 3
Composition of raw materials:
| Raw material | Mass percent | Weight (g) |
| Formaldehyde | 37% | 360 |
| Urea | 98% | 180 |
| Properties-correcting agent (propionic aldehyde) | 99% | 50 |
| Modified corn starch | 9 | |
| Trimeric cyanamide | 99.8% | 16 |
| Sodium cellulosate | 99% | 13 |
| Fire retardant | 62 | |
| Brightening agent | 38 | |
| Ammonium chloride | 26 | |
| Sulfuric acid | 30% | In right amount (adjust pH) |
| Sodium hydroxide | 30% | In right amount (adjust pH) |
Concrete preparation process is as follows:
(1) mass percentage weighing 360g is the formaldehyde of 37%, the urea of 180g, the propionic aldehyde of 50g, the modified corn starch of 9g, the trimeric cyanamide of 16g, the sodium cellulosate of 13g, 62g concentration be 50% the fire retardant aqueous solution (wherein fire retardant is made up of the component of following masses proportioning: ammonium low polyphosphate 39g, ammonium pyrophosphate 7.0g, Ureaphil 9g, boric acid 7.0g), 38g concentration be 50% brightening agent water miscible liquid (wherein brightening agent is made up of the component of following masses proportioning: acrylics monomer 8.5g, negatively charged ion or nonionic surface active agent 1.0g, initiator 0.5g, dispersion agent 3.5g, neutralizing agent 3.5g, water 21g), ammonium chloride 26g,
(2) mass percentage step weighed be 37% formaldehyde add in reactor, heating formaldehyde temperature to 35 DEG C ~ 40 DEG C, regulates pH=9.0 with sodium hydroxide solution, then adds the sodium cellulosate that 100g urea and step (1) weigh;
(3) continue the formaldehyde temperature be heated in reactor when reaching 75 DEG C ~ 80 DEG C, stop heating, be warming up to 90 DEG C ~ 92 DEG C by temperature more than reactor self, regulate pH=10 with sodium hydroxide solution, then add 10g urea; Be incubated 90 ~ 120 minutes;
(4) adjust pH to 4.5 ~ 5.0, react to viscosity 70cp;
(5) adjust pH to 6.5 ~ 7.0, add 60g urea, temperature controls, at 80 DEG C ~ 90 DEG C, to react to viscosity 150cp;
(6) adjust pH to 7.0 ~ 7.5, add 10g urea, propionic aldehyde, trimeric cyanamide and modified corn starch that step (1) takes, temperature maintains 75 DEG C, be incubated 20 ~ 40 minutes, lowers the temperature;
(7) temperature is down to less than 40 DEG C, then adds brightening agent, fire retardant and ammonium chloride that step (1) weighs, after stirring, regulates pH=7.8, puts glue, obtain face glue.
The acid used of above adjust ph is sulfuric acid.
Embodiment 4: the preparation of face glue 4
Composition of raw materials:
| Raw material | Mass percent | Weight (g) |
| Formaldehyde | 37% | 400 |
| Urea | 98% | 200 |
| Properties-correcting agent (butyraldehyde) | 99% | 60 |
| Modified corn starch | 12 | |
| Trimeric cyanamide | 99.8% | 20 |
| Sodium cellulosate | 99% | 15 |
| Fire retardant | 98% | 70 |
| Brightening agent | 97% | 40 |
| Ammonium chloride | 30 | |
| Sulfuric acid | 30% | In right amount (adjust pH) |
| Sodium hydroxide | 30% | In right amount (adjust pH) |
Concrete preparation process is as follows:
(1) mass percentage weighing 400g is the formaldehyde of 37%, the urea of 200g, the butyraldehyde of 60g, the modified corn starch of 12g, the trimeric cyanamide of 20g, the sodium cellulosate of 15g, 70g concentration be 50% the fire retardant aqueous solution (wherein fire retardant is made up of the component of following masses proportioning: ammonium low polyphosphate 44g, ammonium pyrophosphate 8g, Ureaphil 10g, boric acid 8g), , 40g concentration be 50% the brightening agent aqueous solution (wherein brightening agent is made up of the component of following masses proportioning: acrylics monomer 9g, negatively charged ion or nonionic surface active agent 1.0g, initiator 1g, dispersion agent 3.5g, neutralizing agent 3.5g, water 22g), the ammonium chloride of 30g,
(2) formaldehyde being 37% by the mass percentage that step (1) weighs adds in reactor, and heating formaldehyde temperature to 35 DEG C ~ 40 DEG C, regulates pH=8.5 with sodium hydroxide solution, then adds the sodium cellulosate that 100g urea and step (1) weigh;
(3) continue the formaldehyde temperature be heated in reactor when reaching 75 DEG C ~ 80 DEG C, stop heating, be warming up to 90 DEG C ~ 92 DEG C by temperature more than reactor self, regulate pH=11 with sodium hydroxide solution, then add 10g urea; Be incubated 90 ~ 120 minutes;
(4) adjust pH to 4.5 ~ 5.0, react to viscosity: 80cp;
(5) adjust pH to 6.5 ~ 7.0, add 60g urea, temperature controls, at 80 DEG C ~ 90 DEG C, to react to viscosity 160cp;
(6) adjust pH to 7.0 ~ 7.5, add 10g urea, butyraldehyde, trimeric cyanamide and modified corn starch that step (1) takes, temperature maintains 75 DEG C, be incubated 20 ~ 40 minutes, lowers the temperature;
(7) temperature is down to less than 40 DEG C, then adds brightening agent, fire retardant and ammonium chloride that step (1) weighs, after stirring, regulates pH=7.6, puts glue, obtain face glue.
The acid used of above adjust ph is sulfuric acid.
Reference examples
Composition of raw materials:
| Raw material | Mass percent | Weight (g) |
| Formaldehyde | 37% | 360 |
| Urea | 98% | 180 |
| Trimeric cyanamide | 99.8% | 16 |
| Sodium cellulosate | 99% | 13 |
| Ammonium chloride | 26 | |
| Sulfuric acid | 30% | In right amount (adjust pH) |
| Sodium hydroxide | 30% | In right amount (adjust pH) |
Concrete preparation process is as follows:
(1) mass percentage weighing 360g is the urea of the formaldehyde of 37%, 180g, the trimeric cyanamide of 16g, the sodium cellulosate of 13g, the ammonium chloride of 26g;
(2) formaldehyde being 37% by the mass percentage that step (1) weighs adds in reactor, and heating formaldehyde temperature to 35 DEG C ~ 40 DEG C, regulates pH=7.5 ~ 9.0 with sodium hydroxide solution, then adds the sodium cellulosate that 100g urea and step (1) weigh;
(3) continue the formaldehyde temperature be heated in reactor when reaching 75 DEG C ~ 80 DEG C, stop heating, be warming up to 90 DEG C ~ 92 DEG C by temperature more than reactor self, regulate pH=9.5 with sodium hydroxide solution, then add 10g urea; Be incubated 90 ~ 120 minutes;
(4) adjust pH to 4.5 ~ 5.0, react to viscosity 60cp;
(5) adjust pH to 6.5 ~ 7.0, add 60g urea, temperature controls, at 80 DEG C ~ 90 DEG C, to react to viscosity 145cp;
(6) adjust pH to 7.0 ~ 7.5, add the trimeric cyanamide that 10g urea and step (1) take, temperature maintains 75 DEG C, stirs, and be incubated 20 ~ 40 minutes, lowers the temperature;
(7) temperature is down to less than 40 DEG C, regulates pH=7.8, adds ammonium chloride, stir, put glue, obtain face glue.
The acid used of above adjust ph is sulfuric acid.
Test example
The face glue that the face glue being convenient to the template demoulding utilizing the embodiment of the present invention 1 to 4 method to obtain and reference examples obtain is coated on template test specimen 1,2,3,4,5 respectively; Judge according to GB8624-2006, the combustionproperty of template test specimen 1,2,3 and 4 is B level, and be flame retardancy material of construction, and the combustionproperty of template test specimen 5 is E level, is combustible building materials, as can be seen here, of the present invention glue has better flame retardant properties.
The surface brightness of test template test specimen 1,2,3,4 and 5, its result is as follows:
Table 1
| Numbering | Luminance brightness/mcd |
| Embodiment 1 | 300 |
| Embodiment 2 | 285 |
| Embodiment 3 | 290 |
| Embodiment 4 | 288 |
| Reference examples | 132 |
As shown in Table 1, the surface brightness of the template test specimen of embodiment 1-4 is apparently higher than the surface brightness of reference examples template test specimen, and therefore, the face glue being convenient to the template demoulding of the present invention, makes the luminance brightness of building template significantly improve, and can reduce the foundry loam amount after the demoulding.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. be convenient to the face glue of the template demoulding for one kind, it is characterized in that, comprise following component by weight: 300 ~ 400 parts, formaldehyde, 160 ~ 220 parts, urea, properties-correcting agent 30 ~ 60 parts, modified corn starch 3 ~ 12 parts, trimeric cyanamide 10 ~ 20 parts, sodium cellulosate 8 ~ 15 parts, brightening agent 30 ~ 40 parts, fire retardant 50 ~ 70 parts, ammonium chloride 20 ~ 30 parts, wherein said formaldehyde to be mass percentage be 37% industrial formol, described brightening agent is water miscible liquid, comprise following component by weight: acrylics monomer 20-30 part, negatively charged ion or nonionic surface active agent 2-3 part, initiator 1-2 part, dispersion agent 8-10 part, neutralizing agent 5-15 part, water 60-70 part.
2. the face glue being convenient to the template demoulding according to claim 1, is characterized in that, described properties-correcting agent is one or more of paraformaldehyde, acetaldehyde, propionic aldehyde and butyraldehyde.
3. the face glue being convenient to the template demoulding according to claim 1, it is characterized in that, described fire retardant comprises following component by weight: ammonium low polyphosphate 50-80 part, ammonium pyrophosphate 10-15 part, Ureaphil 10-20 part, boric acid 10-15 part.
4. the face glue being convenient to the template demoulding according to claim 1, is characterized in that, described brightening agent is 32 ~ 36 parts.
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|---|---|---|---|
| CN201310511616.0A CN103555128B (en) | 2013-10-25 | 2013-10-25 | Be convenient to the face glue of the template demoulding |
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| Publication Number | Publication Date |
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| CN103555128A CN103555128A (en) | 2014-02-05 |
| CN103555128B true CN103555128B (en) | 2015-11-11 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0568613B1 (en) * | 1991-01-25 | 1995-09-06 | Worldtech Coatings, Inc. | Plastic-coated concrete form panel |
| CN1215073A (en) * | 1996-04-23 | 1999-04-28 | 株式会社林丽 | Strippable coating water dispersion material |
| CN101148573A (en) * | 2006-09-21 | 2008-03-26 | 漪丽科技(深圳)有限公司 | Waterproof edge sealing agent used for floor |
| CN101412231A (en) * | 2008-11-10 | 2009-04-22 | 德华兔宝宝装饰新材股份有限公司 | Method for producing flame-retardant glued board |
| CN102086295A (en) * | 2010-06-28 | 2011-06-08 | 永港伟方（北京）科技股份有限公司 | Urea-formaldehyde resin for non-dewatering particleboard and preparation method thereof |
| CN103031095A (en) * | 2012-12-12 | 2013-04-10 | 永港伟方（北京）科技股份有限公司 | Adhesive for veneering of artificial board and preparation method of adhesive |
| CN103360559A (en) * | 2013-07-25 | 2013-10-23 | 南京市荣达树脂有限公司 | Modified urea-formaldehyde resin |
-
2013
- 2013-10-25 CN CN201310511616.0A patent/CN103555128B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0568613B1 (en) * | 1991-01-25 | 1995-09-06 | Worldtech Coatings, Inc. | Plastic-coated concrete form panel |
| CN1215073A (en) * | 1996-04-23 | 1999-04-28 | 株式会社林丽 | Strippable coating water dispersion material |
| CN101148573A (en) * | 2006-09-21 | 2008-03-26 | 漪丽科技(深圳)有限公司 | Waterproof edge sealing agent used for floor |
| CN101412231A (en) * | 2008-11-10 | 2009-04-22 | 德华兔宝宝装饰新材股份有限公司 | Method for producing flame-retardant glued board |
| CN102086295A (en) * | 2010-06-28 | 2011-06-08 | 永港伟方（北京）科技股份有限公司 | Urea-formaldehyde resin for non-dewatering particleboard and preparation method thereof |
| CN103031095A (en) * | 2012-12-12 | 2013-04-10 | 永港伟方（北京）科技股份有限公司 | Adhesive for veneering of artificial board and preparation method of adhesive |
| CN103360559A (en) * | 2013-07-25 | 2013-10-23 | 南京市荣达树脂有限公司 | Modified urea-formaldehyde resin |
Non-Patent Citations (1)
| Title |
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| 脲醛树脂胶黏剂低毒性改性剂研究;范捷;《绿色科技》;20130630(第6期);150-151 * |
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