CN101830032A - Concrete long-acting mould release agent and preparation method thereof - Google Patents
Concrete long-acting mould release agent and preparation method thereof Download PDFInfo
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- CN101830032A CN101830032A CN 200910021462 CN200910021462A CN101830032A CN 101830032 A CN101830032 A CN 101830032A CN 200910021462 CN200910021462 CN 200910021462 CN 200910021462 A CN200910021462 A CN 200910021462A CN 101830032 A CN101830032 A CN 101830032A
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- acid
- die plate
- template
- agent
- mould release
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Abstract
The invention relates to a concrete long-acting mould release agent for preventing or reducing mutual bonding between concrete and the surface of a die plate and a preparation method thereof. The mould release agent comprises two preparations: a die plate paint host crystal and an adhesive; wherein the die plate paint host crystal is prepared by processes such as mixing and filtering of epoxy resin or unsaturated polyester resin or acrylic resin, solvent and additive, while the adhesive is prepared by processes such as mixing and filtering of organic acid, in organic acid, inorganic salt, additive and water. In practical utilization, first, the surface of the die plate is wiped twice by the adhesive; then the die plate paint host crystal is brushed on the die plate for once to twice when liquid on the die plate is dried; afterwards a layer of smooth surface with smooth touch feel and sliding characteristics can be formed on the surface of the die plate when the die plate is solidified and dried. The substrate material processed by the mould release agent enjoys increased cohesion with the paint film, does not come off easily and enables the die plate to be repeatedly used.
Description
Technical field
Content of the present invention belongs to chemical industry formulation products technical field, relates to a kind ofly can be used for preventing or reducing bonding mutually concrete parting agent of concrete and template surface and preparation method thereof.
Background technology
Concrete formation need fix by template, and concrete again must form removal after forming certain intensity.Concrete parting agent is can prevent or reduce concrete and template surface is bonding mutually, and then makes the smooth preparation of form removal, its decapacitation keep the concrete appearance shape excellent outside, also protected template not reason beat and damage.In the prior art; this area all is to adopt hydrophobic substance as releasing agent usually; as machine oil (or used oil), oil emulsion or soap class solution etc.; these releasing agents mostly are disposable product; can not guarantee the concrete surface decorative effect; also be difficult to satisfy the quality requirement do not pollute reinforcing bar and concrete etc., and cost height, demoulding efficiency are poor.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, but provide a kind of prescription science, cost low, easy to prepare, be coated with demoulding concrete long-acting mould release agent repeatedly, a kind of method that is exclusively used in this concrete long-acting mould release agent of preparation is provided simultaneously.
Be used to realize that the technical solution of foregoing invention purpose is such: the concrete long-acting mould release agent that is provided comprises template lacquer host and two kinds of preparations of adhesive agent, wherein,
Template lacquer host is made up of the material of following weight percentage:
Epoxy resin or unsaturated polyester resin or acrylic resin 28%～48%,
Solvent 50%～70%,
Additive 0.5%～15%;
Adhesive agent is made up of the material of following weight percentage:
Organic acid 0～5%, inorganic acid 1～20%,
Inorganic salts 0～1.5%, activating agent 0.05%～1.5%,
Water surplus.
In the actual product exploitation, the solvent that adopts in the template lacquer host of the present invention is one or more in dimethylbenzene, toluene, butyl acetate, ethyl acetate, cyclohexanone, butanols, styrene, the acetone, and additive is levelling agent, defoamer, wax powder, wax slurry, glass dust; The organic acid that adopts in the adhesive agent of the present invention is one or both in citric acid, gluconic acid, the tartaric acid, inorganic acid is one or both in hydrofluoric acid, phosphoric acid, silicic acid, the boric acid, inorganic salts are cation sodium salt and/or sylvite and/or zinc salt, and activating agent is dodecyl sodium sulfate or APEO.
The method that is used to prepare this concrete long-acting mould release agent comprises the preparation method of template lacquer host and the preparation method of adhesive agent, wherein:
The preparation method of template lacquer host is: the epoxy resin of unsaturated polyester resin or acrylic resin or intensification fusion is dissolved in the solvent, stirred 10～15 minutes, add additive again, stir 10～20 minutes to evenly, get template lacquer host;
The preparation method of adhesive agent is: with organic acid, inorganic acid, inorganic salts and water mix stir evenly after, add activating agent, after stirring, filter, leave standstill 15 minutes after, adhesive agent.
The releasing agent that adopts above-mentioned substance prescription and preparation method to produce is that a kind of demoulding repeatedly repeatedly can keep the intact concrete long-acting mould release agent of concrete appearance shape.In actual the use, template is through oil removing, after the processing of rust removing, at first template surface is handled twice (being twice of wiping) with adhesive agent, brushing template is again coated with lacquer host 1～2 time after treating the liquid level drying, treat to form the smooth surface that one deck has smooth feel and has sliding properties at template surface after it solidifies drying, this enamelled coating has extremely low surface tension coefficient and hydrophobicity, can reduce cohering and the sassafras coefficient that rubs between concrete and template, after being solidified, concrete formation can slide more freely at template surface, thereby form the relatively concrete surface of light, water and outpour " clear-water concrete " effect.In use of the present invention, the technology that adhesive agent is embrocated to template by elder generation is extremely important, is one of important innovations point of the present invention.Ground (comprising accurately machined special light face) after adhesive agent is handled is strengthened with the paint film cohesion, be difficult to come off, the number of times that template is used repeatedly increases (usually above 30 times) greatly like this, become genuine long-acting mould release agent, thereby, make this releasing agent also have more vitality for template lacquer reduces use cost, saving of work and time material-saving and opens up more aspect such as vast market and created advantage.
The specific embodiment
Below with reference to several specific embodiments content of the present invention is described further.
Embodiment one:
Epoxy resin 400g is warming up to 110 ℃ makes its fusion, add butanols 120g, dimethylbenzene 360g with its latting drown, stirring is cooled to about 50 ℃, add butyl acetate, each 60g of ethyl acetate again, stir and it was fully dissolved in 15 minutes, and then add levelling agent and each 10g of defoamer, stir filtration in 15 minutes again and promptly get template lacquer host product.
With each 20g of citric acid 6g, hydrofluoric acid and phosphoric acid, sodium chloride 10g mix with water 750g stir evenly after, add dodecyl sodium sulfate 5g, after stirring, filter, leave standstill 15 minutes after, the adhesive agent product.
When the present embodiment product is used for stripper plate, earlier above-mentioned template lacquer host product is mixed with 100: 4～7 ratio with ethylenediamine, get the working solution of template lacquer host; Thereafter with adhesive agent to template surface wiping twice, treat after the liquid level drying that more about 2 hours surface dryings were done solid work about 24 hours with template lacquer host working solution brushing template one time, this paint film has good release property.
Embodiment two
55g unsaturated polyester resin PE602 and 15g unsaturated polyester resin PE608 are dissolved in the mixed solvent of being made up of styrene 35g, dimethylbenzene 42g, acetone 17g, stir after 15 minutes, add glass dust 5g, wax slurry 0.3g, levelling agent 0.3g, stirred again 15 minutes, and filtered and promptly get template lacquer host product.
With silicic acid and each 5g of phosphoric acid, potassium chloride 5g mix with water 750g stir evenly after, add APEO 1g, after stirring, filter, leave standstill 15 minutes after, the adhesive agent product.
When the present embodiment product was used for stripper plate, elder generation added blue water 3g in above-mentioned template lacquer host product, stirred to add plain boiled water 4.5g again after 10 minutes, stirred the back filtering and standing 15 minutes, got the working solution of template lacquer host; , treat to coat with lacquer host working solution brushing template one time with template again after the liquid level drying to template surface wiping twice with adhesive agent, about 2 hours surface dryings promptly get long-acting stripper plate after the drying.
Embodiment three
Get acrylic resin 70g, add in the mixed solvent of forming by toluene 45g, ethyl acetate 40g successively, stir after 15 minutes, add wax powder (3922F) 1g and stir, stirred again 15 minutes, filter and promptly get template lacquer host.
With silicic acid and each 5g of phosphoric acid, potassium chloride 5g mix with water 750g stir evenly after, add APEO 1g, after stirring, filter, leave standstill 15 minutes after, the adhesive agent product.
To template surface wiping twice, treat that template being coated with lacquer host after the liquid level drying is painted on template one time again with adhesive agent, two hours surface dryings were done solid work in 24 hours, were used for the concrete cast after 48 hours, solidified the demoulding after 48 hours, and this paint film has good release property.
In development process of the present invention, for proving the practical effect of this releasing agent, the designer once was painted on respectively on four templates with the sample of embodiment 1 and embodiment 3, wherein had two templates to handle through adhesive agent, handled without adhesive agent for two.Respectively brushing a template and a template of handling without adhesive agent of handling through adhesive agent with the template lacquer host of embodiment one and embodiment three contrasts.According to embodiment one and embodiment three brush separately, curing and cast concrete, and pour into a mould repeatedly and---solidify---demoulding---cleaning---cast ... demoulding test, result of the test surface: without the template of adhesive agent processing, can only be with 4～5 times, and the still demoulding smoothly after the template demoulding that adhesive agent is handled 30 times can continue use.
Claims (3)
1. a concrete long-acting mould release agent is characterized in that comprising template lacquer host and adhesive agent, wherein,
1.1 template lacquer host is made up of the material of following weight percentage:
Epoxy resin or unsaturated polyester resin or acrylic resin 28%～48%,
Solvent 50%～70%,
Additive 0.5%～15%;
1.2 adhesive agent is made up of the material of following weight percentage:
Organic acid 0～5%, inorganic acid 1～20%,
Inorganic salts 0～1.5%, activating agent 0.05%～1.5%,
Water surplus.
2. concrete long-acting mould release agent according to claim 1, it is characterized in that the solvent in the template lacquer host is a dimethylbenzene, toluene, butyl acetate, ethyl acetate, cyclohexanone, butanols, styrene, in the acetone one or more, additive is a levelling agent, defoamer, the wax powder, the wax slurry, glass dust, organic acid in the adhesive agent is a citric acid, gluconic acid, in the tartaric acid one or both, inorganic acid is a hydrofluoric acid, phosphoric acid, silicic acid, in the boric acid one or both, inorganic salts are cation sodium salt and/or sylvite and/or zinc salt, and activating agent is dodecyl sodium sulfate or APEO.
3. a method that is used to prepare claim 1 or 2 described concrete long-acting mould release agents is characterized in that comprising the preparation method of template lacquer host and the preparation method of adhesive agent, wherein:
3.1 the preparation method of template lacquer host is: the epoxy resin of unsaturated polyester resin or acrylic resin or intensification fusion is dissolved in the solvent, stirred 10～15 minutes, add additive again, stir 10～20 minutes, get template lacquer host to evenly;
3.2 the preparation method of adhesive agent is: with organic acid, inorganic acid, inorganic salts and water mix stir evenly after, add activating agent, after stirring, filter, leave standstill 15 minutes after, adhesive agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910021462 CN101830032B (en) | 2009-03-10 | 2009-03-10 | Preparation method of concrete long-acting mould release agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910021462 CN101830032B (en) | 2009-03-10 | 2009-03-10 | Preparation method of concrete long-acting mould release agent |
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| CN101830032A true CN101830032A (en) | 2010-09-15 |
| CN101830032B CN101830032B (en) | 2013-07-17 |
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| CN 200910021462 Expired - Fee Related CN101830032B (en) | 2009-03-10 | 2009-03-10 | Preparation method of concrete long-acting mould release agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092084A (en) * | 2010-12-10 | 2011-06-15 | 河海大学 | Concrete mold release agent and preparation method thereof |
| CN102658591A (en) * | 2011-12-16 | 2012-09-12 | 天津冶建特种材料有限公司 | Concrete release agent and preparation method thereof |
| CN106118841A (en) * | 2016-06-30 | 2016-11-16 | 河南省交通科学技术研究院有限公司 | A kind of environment-friendly type special mold releasing agent for fair-faced concrete and preparation method thereof |
| CN109468026A (en) * | 2018-11-21 | 2019-03-15 | 芜湖春风新材料有限公司 | A kind of guarantor's mould agent coating and preparation method thereof |
| CN110080524A (en) * | 2018-01-26 | 2019-08-02 | 李文忠 | Building form removal agent and its building template |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061557A (en) * | 1991-09-18 | 1992-06-03 | 泸州长江化工厂 | A kind of concrete parting agent and manufacture method |
| CN1021031C (en) * | 1991-11-01 | 1993-06-02 | 青岛瑞达模板系列公司 | Mold release |
| CN1021972C (en) * | 1992-03-11 | 1993-09-01 | 长江水利委员会长江科学院 | Process for preparation of concrete release agent |
| CN1089322A (en) * | 1993-01-03 | 1994-07-13 | 洪爵禄 | Demoulding and curing agent for concrete and manufacture method thereof |
| KR20020011037A (en) * | 2000-07-31 | 2002-02-07 | 정목수 | Concrete a product of separate manufacture method |
| US7018461B2 (en) * | 2002-02-22 | 2006-03-28 | Cellulose Solutions, Llc | Release agents |
| CN1554500A (en) * | 2003-12-24 | 2004-12-15 | 兴义市博天精细化学品厂 | Demolding agent |
| CN1634690A (en) * | 2004-09-27 | 2005-07-06 | 广东粤和实业有限公司 | Concrete releasing agent and its production method |
| CN101219558A (en) * | 2008-01-22 | 2008-07-16 | 刘彤 | Parting agent special for air-entrained concrete shaping |
-
2009
- 2009-03-10 CN CN 200910021462 patent/CN101830032B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092084A (en) * | 2010-12-10 | 2011-06-15 | 河海大学 | Concrete mold release agent and preparation method thereof |
| CN102092084B (en) * | 2010-12-10 | 2012-05-09 | 河海大学 | Concrete mold release agent and preparation method thereof |
| CN102658591A (en) * | 2011-12-16 | 2012-09-12 | 天津冶建特种材料有限公司 | Concrete release agent and preparation method thereof |
| CN102658591B (en) * | 2011-12-16 | 2015-11-25 | 天津冶建特种材料有限公司 | A kind of Concrete release agent and preparation method thereof |
| CN106118841A (en) * | 2016-06-30 | 2016-11-16 | 河南省交通科学技术研究院有限公司 | A kind of environment-friendly type special mold releasing agent for fair-faced concrete and preparation method thereof |
| CN110080524A (en) * | 2018-01-26 | 2019-08-02 | 李文忠 | Building form removal agent and its building template |
| CN110080524B (en) * | 2018-01-26 | 2022-03-29 | 李文忠 | Building template release agent and building template thereof |
| CN109468026A (en) * | 2018-11-21 | 2019-03-15 | 芜湖春风新材料有限公司 | A kind of guarantor's mould agent coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101830032B (en) | 2013-07-17 |
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Granted publication date: 20130717 Termination date: 20140310 |