CN1138619A - Solid isolation agent - Google Patents
Solid isolation agent Download PDFInfo
- Publication number
- CN1138619A CN1138619A CN 96100771 CN96100771A CN1138619A CN 1138619 A CN1138619 A CN 1138619A CN 96100771 CN96100771 CN 96100771 CN 96100771 A CN96100771 A CN 96100771A CN 1138619 A CN1138619 A CN 1138619A
- Authority
- CN
- China
- Prior art keywords
- mineral oil
- sodium hydroxide
- lipid acid
- isolation agent
- hydrolysis
- 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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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Lubricants (AREA)
Abstract
A solid isolating agent for stripping steel shuttering of concrete engineering inb uilding is prepared by such steps as melting paraffin wax (20-22%) and C14-C2 fatty acid (42-44%), addition of sodium hydroxide (6-8%) for hydrolysis and adding mineral oil (28-30%) for emulsification, and features quick stripping, no damage to cement product and shuttering and no environmental pollution in its production.
Description
The present invention relates to a kind of solid isolation agent that is used for the demoulding of building trade concrete works Sheet Steel Form.
When in building trade, making cement products, spray or brush one deck separant in the goods mould in advance, treat to help to take off template after the product dried moulding, so the performance good job of separant directly affects the access times of Products Quality, mould, required pulling-off force size and to the pollution of environment etc.The present separant that generally adopts, as used oil, suds, talcum powder or emulsification wet goods, exist big, the fragile cement products of pulling-off force corner shape and inner quality, easily the fouling wearing and tearing are big in the mould, environment there is pollution, or the cost height of separant own, influential to following road wall, roof boarding finishing process quality simultaneously, as plaster, swabbing is difficult for the bonding jail, easily come off etc., thereby urgent need is developed, a kind of new separant of development, the machine examination rope does not have the report of discovery about following technical solution of the present invention as calculated.
The objective of the invention is to provide a kind of solid isolation agent, overcome the deficiencies in the prior art part, it has, fast performance little to the metal die knockout press, product surface is bright and clean after the molding, corner angle are neat, to the mould non-corrosiveness, environmentally safe, cost are low, easy to use, heatproof is easily transported preservation.
Technical scheme of the present invention is as follows:
1, prescription: a kind of solid isolation agent, it is mixed with by 56-58 degree paraffin, C14-C21 lipid acid, sodium hydroxide and 12# mineral oil, and component is that 56-58 degree paraffin 20-22%, C14-C21 fat are joined 42-44%, sodium hydroxide 6-8% and 12# mineral oil 28-30% than (weight ratio).
2, production technique: technical process is (1) fusing, with 56-58 degree paraffin, C14-C21 lipid acid is put in the chuck heating tank of band whipping appts acid and alkali-resistance, and the heating fusion is when temperature rises to 90-150 ℃, be fused into liquid, (2) hydrolysis is mixed with 20% aqueous fusion liquid with sodium hydroxide, joins in the head tank gradually, under agitation be hydrolyzed, rotating speed is 40-50 rev/min, and pH value is controlled between the 6-8, continues to stir half an hour, parked 5 hours, after treating complete hydrolysis, (3) emulsification under agitation adds 12# mineral oil, rotating speed is more than 60 rev/mins, stir half an hour, treat that complete mixing and emulsifying becomes till the thick shape, the discharging packing promptly is a finished product.
Below in conjunction with embodiment the present invention is specified.
1, embodiment component and weight ratio see Table 1.
Table 1
2, operating procedure: (1) fusing, weigh 56-58 degree paraffin and C14-C21 lipid acid is put in the chuck heating enamel pot of band whipping appts acid and alkali-resistance, and the heating fusion is when temperature rises to 90-150 ℃, be fused into liquid, (2) hydrolysis, the sodium hydroxide of weighing is mixed with 20% the aqueous solution, joins gradually in the head tank, under agitation be hydrolyzed, rotating speed is 40-50 rev/min, and pH value is controlled between the 6-8, continues to stir half an hour, parked 5 hours, after treating complete hydrolysis, (3) emulsification under agitation adds the 12# mineral oil of weighing, rotating speed is more than 60 rev/mins, stir half an hour, treat that complete mixing and emulsifying becomes till the thick shape, the discharging packing gets product.
Product of the present invention and other separant pulling-off force testing mean see Table 2.
Table 2
Product of the present invention is compared with existing separant has following advantage:
1, product pulling-off force index of the present invention is suitable with used oil, but used oil the smell is awful, cause environmental pollution, to wall, roof boarding plaster, clinging power is poor during swabbing, easily come off.
2, production cost is low, than using the soap cost to reduce more than 50%.
3, simple, the no three wastes of technology produce, and the product temperature tolerance is good, and is easy to use, easily storage and transport.
4, the demoulding is rapid, and pulling-off force is little, the cement products any surface finish, and corner angle are neat, and mould is not had damage.
Annotate: 1,56-58 degree paraffin Beijing Yanshan Petrochemical Company produces.
2, C14-C214 lipid acid Tianjin synthetic chemistry factory produces
3,12# mineral oil Jilin petrochemical industry affiliated company produces
Claims (2)
1, a kind of solid isolation agent, it is characterized in that: it is mixed with by 56-58 degree paraffin, C14-C21 lipid acid, sodium hydroxide and 12# mineral oil, and component is 56-58 degree paraffin 20-22%, C14-C21 lipid acid 42-44%, sodium hydroxide 6-8% and 12# mineral oil 28-30% than (weight ratio).
2, solid isolation agent according to claim 1, it is characterized in that: the technological process of production is (1) fusing, with 56-58 degree paraffin, C14-C21 lipid acid is put in the chuck heating tank of band whipping appts acid and alkali-resistance, the heating fusion, when temperature rises to 90 ℃-15 ℃, be fused into liquid, (2) hydrolysis, sodium hydroxide is mixed with 20% the aqueous solution, join gradually in the head tank, under agitation be hydrolyzed, rotating speed is 40-50 rev/min, the pH value is controlled between the 6-8, continue to stir half an hour, parked 5 hours, treat complete hydrolysis after, (3) emulsification, under agitation add 12# mineral oil, rotating speed is more than 60 rev/mins, stirs half an hour, treat that complete mixing and emulsifying becomes till the thick shape, the discharging packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96100771 CN1138619A (en) | 1996-02-06 | 1996-02-06 | Solid isolation agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96100771 CN1138619A (en) | 1996-02-06 | 1996-02-06 | Solid isolation agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1138619A true CN1138619A (en) | 1996-12-25 |
Family
ID=5116728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96100771 Pending CN1138619A (en) | 1996-02-06 | 1996-02-06 | Solid isolation agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1138619A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880585A (en) * | 2010-04-20 | 2010-11-10 | 中国十七冶集团有限公司 | Waxy separant for precast concrete unit |
| CN104371795A (en) * | 2014-09-18 | 2015-02-25 | 洛阳师范学院 | Low density foamed concrete product demolding agent and preparation method thereof |
-
1996
- 1996-02-06 CN CN 96100771 patent/CN1138619A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880585A (en) * | 2010-04-20 | 2010-11-10 | 中国十七冶集团有限公司 | Waxy separant for precast concrete unit |
| CN104371795A (en) * | 2014-09-18 | 2015-02-25 | 洛阳师范学院 | Low density foamed concrete product demolding agent and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |