CN101979251A - Special release agent for alumite coating and preparation method thereof - Google Patents
Special release agent for alumite coating and preparation method thereof Download PDFInfo
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- CN101979251A CN101979251A CN 201010273746 CN201010273746A CN101979251A CN 101979251 A CN101979251 A CN 101979251A CN 201010273746 CN201010273746 CN 201010273746 CN 201010273746 A CN201010273746 A CN 201010273746A CN 101979251 A CN101979251 A CN 101979251A
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Abstract
The invention discloses a special release agent for alumite coating and a preparation method thereof. The release agent consists of cellulose acetate and a solvent. The solvent is one or a mixture of over two of butanone, ethyl ester or cyclohexanone. The preparation method comprises the following technical steps of: 1) weighing the solvent according to a formula, pouring the solvent into a reactor, and stirring at normal temperature and normal pressure; 2) adding the cellulose acetate into the reactor and stirring for 2 to 3 hours; 3) measuring the solid content after the solid is completely dissolved and adding the solvent according to the theoretical value of the solid content of 8 to 10 percent to adjust the solid content so as to accord with the theoretical value; and 4) slowly stirring for 15 to 45 minutes, taking the material out and canning the material. The preparation method of the release agent has a simple and convenient production process. The prepared release agent product has high stability, wide application range, very good releasing property, temperature resistance, wear resistance and scratch resistance, and also the characteristic that a coated surface is re-printed.
Description
Technical field
The present invention relates to a kind of extraordinary mould release that is used for electrochemical aluminum paint and preparation method thereof.
Background technology
Electrochemical aluminum foil can replace metal forming as ornament materials, is many with gold and silver color.It has magnificent characteristics such as brilliant, easy to use attractive in appearance, bright in colour, sparkling and crystal-clear, is suitable for carrying out thermoprint on paper, textile, plastics, leather, coating lining, lucite, plastic or other material.Be the most frequently used a kind of materials of modern thermoprint binding and layout, demand is huge.Existing electrochemical aluminium is the thermoprint material that forms 4 layers of coating on polyester film through certain coating process, and these coatings are respectively release layer, dyed layer, aluminium coated, adhesive phase from the bottom to top.But because stability, hear resistance, the weatherability of the employed mould release of electrochemical aluminum paint release layer are all not ideal enough, this has restricted the manufacturing development of electrochemical aluminium to a great extent.The patent No. is that 200610116782.0 Chinese invention patent discloses a kind of mould release that is used for electrochemical aluminum paint and preparation method thereof on April 25th, 2007, this mould release comprises following prescription (weight portion): cellulose acetate 100, methyl cellosolve 120～160, solvent 720～800, the preparation method of this mould release comprises processing steps such as cellulose dissolution, dilution.But this mould release prescription effect is good inadequately, preparation method's complexity.
Summary of the invention
The extraordinary mould release that is used for electrochemical aluminum paint that first technical problem to be solved by this invention just provides that a kind of product stability is good, the resting period is long, applied widely.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of extraordinary mould release that is used for electrochemical aluminum paint, it is characterized in that: described mould release is by cellulose acetate and solvent composition.
As preferably, the percentage by weight of described cellulose acetate and solvent is respectively 8～10%, 90～92%.
Further, the percentage by weight of described cellulose acetate and solvent is respectively 9%, 91%.
As preferably, described solvent is one or more the mixture in butanone, ethyl ester or the cyclohexanone.
The present invention also provides a kind of preparation method who is used for the extraordinary mould release of electrochemical aluminum paint, comprises following processing step:
1) takes by weighing solvent earlier by prescription and pour in the reactor, stir at normal temperatures and pressures;
2) add cellulose acetate in the still square answering then, stirred 2～3 hours;
3) treat that solid all dissolves the back and measures solid content, and add solvents according to solid content theoretical value 8～10% and adjust and make its solid content meet theoretical value;
4) slowly stir 15～45 minutes, last blanking can.
As preferably, stirred 2.5 hours in the described step 2, the solid content theoretical value is 10% in the described step 3, stirs half an hour in the described step 4.
Preparation method's production technology of mould release of the present invention is easy, and the mould release product stability of preparing is good, applied widely, this mould release also has good release performance, temperature tolerance, wearability and resistance to marring, also has the characteristics that coating surface republishes simultaneously.
The specific embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
A kind of preparation method who is used for the extraordinary mould release of electrochemical aluminum paint, this method comprises following processing step:
1. earlier by filling a prescription, stir at normal temperatures and pressures in 44 kilograms of butanone, 31 kilograms of ethyl esters, 17 kilograms of adding reactors of cyclohexanone;
2. the cellulose acetate that adds 8 kilograms when stirring in reactor stirred about 2.5 hours;
3. treat that solid all dissolves the back and measures solid content, and add ethyl ester according to residual quantity and adjust accordingly and make the solid content value reach 10% with theoretical value 10%; Solid content is that emulsion is dried the mass percent that the back remainder accounts for total amount under rated condition.
4. slowly stir half an hour last weighing, packing again.
Embodiment 2
A kind of preparation method who is used for the extraordinary mould release of electrochemical aluminum paint, this method comprises following processing step:
1. earlier by filling a prescription, stir at normal temperatures and pressures in 43 kilograms of butanone, 30 kilograms of ethyl esters, 17 kilograms of adding reactors of cyclohexanone;
2. the cellulose acetate that adds 10 kilograms when stirring in reactor stirred about 2 hours;
3. treat that solid all dissolves the back and measures solid content, and add ethyl ester according to residual quantity and adjust accordingly and make the solid content value reach 8% with theoretical value 8%;
4. slowly stir half an hour last weighing, packing again.
Embodiment 3
A kind of preparation method who is used for the extraordinary mould release of electrochemical aluminum paint, this method comprises following processing step:
1. earlier by filling a prescription, stir at normal temperatures and pressures in 60 kilograms of butanone, 31 kilograms of adding reactors of ethyl ester;
2. the cellulose acetate that adds 9 kilograms when stirring in reactor stirred about 3 hours;
3. treat that solid all dissolves the back and measures solid content, and add ethyl ester according to residual quantity and adjust accordingly and make the solid content value reach 9% with theoretical value 9%;
4. slowly stirred 45 minutes last weighing, packing again.
Claims (6)
1. extraordinary mould release that is used for electrochemical aluminum paint, it is characterized in that: described mould release is by cellulose acetate and solvent composition.
2. a kind of extraordinary mould release that is used for electrochemical aluminum paint according to claim 1, it is characterized in that: the percentage by weight of described cellulose acetate and solvent is respectively 8～10%, 90～92%.
3. a kind of extraordinary mould release that is used for electrochemical aluminum paint according to claim 2, it is characterized in that: the percentage by weight of described cellulose acetate and solvent is respectively 9%, 91%.
4. a kind of extraordinary mould release that is used for electrochemical aluminum paint according to claim 1 is characterized in that: described solvent is one or more the mixture in butanone, ethyl ester or the cyclohexanone.
5. extraordinary mould release preparation method who is used for electrochemical aluminum paint is characterized in that comprising following processing step:
1) takes by weighing solvent earlier by prescription and pour in the reactor, stir at normal temperatures and pressures;
2) add cellulose acetate in the still square answering then, stirred 2～3 hours;
3) treat that solid all dissolves the back and measures solid content, and add solvents according to solid content theoretical value 8～10% and adjust and make its solid content meet theoretical value;
4) slowly stir 15～45 minutes, last blanking can.
6. a kind of extraordinary mould release preparation method who is used for electrochemical aluminum paint according to claim 5 is characterized in that: stirred 2.5 hours in the described step 2, the solid content theoretical value is 10% in the described step 3, stirs half an hour in the described step 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010273746 CN101979251A (en) | 2010-09-01 | 2010-09-01 | Special release agent for alumite coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010273746 CN101979251A (en) | 2010-09-01 | 2010-09-01 | Special release agent for alumite coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101979251A true CN101979251A (en) | 2011-02-23 |
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| CN 201010273746 Pending CN101979251A (en) | 2010-09-01 | 2010-09-01 | Special release agent for alumite coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751721A (en) * | 2016-03-18 | 2016-07-13 | 苏州万德福尔新材料有限公司 | Functional heat transfer membrane and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105747A (en) * | 1999-10-14 | 2001-04-17 | Dainippon Printing Co Ltd | Heat-transfer dye image-receiving sheet and accepting layer transfer sheet |
| CN1952025A (en) * | 2006-09-29 | 2007-04-25 | 上海凯兰达实业有限公司 | Mold release for galvanic aluminum coating and preparing process thereof |
-
2010
- 2010-09-01 CN CN 201010273746 patent/CN101979251A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105747A (en) * | 1999-10-14 | 2001-04-17 | Dainippon Printing Co Ltd | Heat-transfer dye image-receiving sheet and accepting layer transfer sheet |
| CN1952025A (en) * | 2006-09-29 | 2007-04-25 | 上海凯兰达实业有限公司 | Mold release for galvanic aluminum coating and preparing process thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751721A (en) * | 2016-03-18 | 2016-07-13 | 苏州万德福尔新材料有限公司 | Functional heat transfer membrane and preparation method thereof |
| CN105751721B (en) * | 2016-03-18 | 2018-12-18 | 苏州万德福尔新材料有限公司 | A kind of functionality thermal transfer film and preparation method thereof |
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Application publication date: 20110223 |