CN110628069A - Plastic part surface treating agent for repairing injection molding surface defects and preparation method thereof - Google Patents
Plastic part surface treating agent for repairing injection molding surface defects and preparation method thereof Download PDFInfo
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- CN110628069A CN110628069A CN201911052076.8A CN201911052076A CN110628069A CN 110628069 A CN110628069 A CN 110628069A CN 201911052076 A CN201911052076 A CN 201911052076A CN 110628069 A CN110628069 A CN 110628069A
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- China
- Prior art keywords
- plastic part
- cyclohexanone
- injection molding
- dichloropropane
- treating agent
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- 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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- 229920003023 plastic Polymers 0.000 title claims abstract description 59
- 239000004033 plastic Substances 0.000 title claims abstract description 59
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 34
- 238000001746 injection moulding Methods 0.000 title claims abstract description 34
- 230000007547 defect Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 14
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims abstract description 44
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 35
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 claims abstract description 31
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical compound CC(Cl)CCl KNKRKFALVUDBJE-UHFFFAOYSA-N 0.000 claims abstract description 20
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- JHIVVAPYMSGYDF-PTQBSOBMSA-N cyclohexanone Chemical class O=[13C]1CCCCC1 JHIVVAPYMSGYDF-PTQBSOBMSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- YHRUOJUYPBUZOS-UHFFFAOYSA-N 1,3-dichloropropane Chemical compound ClCCCCl YHRUOJUYPBUZOS-UHFFFAOYSA-N 0.000 claims description 4
- DRLVMOAWNVOSPE-UHFFFAOYSA-N 2-phenylcyclohexan-1-one Chemical compound O=C1CCCCC1C1=CC=CC=C1 DRLVMOAWNVOSPE-UHFFFAOYSA-N 0.000 claims description 4
- 239000012756 surface treatment agent Substances 0.000 claims description 3
- KNKRKFALVUDBJE-VMIGTVKRSA-N 1,2-dichloropropane Chemical group [13CH3][13CH](Cl)[13CH2]Cl KNKRKFALVUDBJE-VMIGTVKRSA-N 0.000 claims description 2
- KNSPBSQWRKKAPI-UHFFFAOYSA-N 2,2-dimethylcyclohexan-1-one Chemical compound CC1(C)CCCCC1=O KNSPBSQWRKKAPI-UHFFFAOYSA-N 0.000 claims description 2
- ODZTXUXIYGJLMC-UHFFFAOYSA-N 2-hydroxycyclohexan-1-one Chemical compound OC1CCCCC1=O ODZTXUXIYGJLMC-UHFFFAOYSA-N 0.000 claims description 2
- VGVHNLRUAMRIEW-UHFFFAOYSA-N 4-methylcyclohexan-1-one Chemical compound CC1CCC(=O)CC1 VGVHNLRUAMRIEW-UHFFFAOYSA-N 0.000 claims description 2
- HJSLFCCWAKVHIW-UHFFFAOYSA-N cyclohexane-1,3-dione Chemical compound O=C1CCCC(=O)C1 HJSLFCCWAKVHIW-UHFFFAOYSA-N 0.000 claims description 2
- DCZFGQYXRKMVFG-UHFFFAOYSA-N cyclohexane-1,4-dione Chemical compound O=C1CCC(=O)CC1 DCZFGQYXRKMVFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The invention provides a plastic part surface treating agent for repairing injection molding surface defects and a preparation method thereof, and relates to the technical field of surface engineering, wherein the treating agent comprises the following components in parts by mass: 25-35wt% of cyclohexanone or a derivative of cyclohexanone; 15-25wt% of ethylene glycol monoethyl ether acetate; 15-25wt% of diacetone alcohol; 15-25wt% of dichloropropane; 5-15wt% of ethanol. The material of the plastic part can be dissolved through the cyclohexanone or the derivative of the cyclohexanone, and the flow lines are fused through the dissolution of the material of the plastic part, so that the flow lines on the surface of the plastic part are relieved; the ethanol can be used as a solvent to dissolve cyclohexanone, so that the dispersion efficiency is improved, uniform coating is formed on the surface of a plastic part, the thickness of the coating is reduced, the uniformity and the adhesive force of the coating and the thinning degree of the coating after curing are further effectively improved, and the method is simple and easy to control.
Description
Technical Field
The invention relates to the technical field of surface engineering, in particular to a plastic part surface treating agent for repairing injection molding surface defects and a preparation method thereof.
Background
At present, a large number of plastic products exist in various industries, the plastic products are mainly formed through an injection molding process, the injection molding is to fill thermoplastic plastics or thermosetting materials into a forming mold by using an injection molding machine to form the plastic products with various shapes, in the process, the size, the temperature, the speed and the like of a pouring gate are all key parameters, and because the influence factors are more, surface flow lines, snake-shaped flow lines and wavy line threads exist on the surface of the plastic products which are subjected to injection molding, and the flow lines with different shapes appear along with the difference of the parameters and the mold structure, so that the appearance of the plastic products is seriously influenced.
In addition, some plastic parts are directly used as appearance covering parts, such as plastic shells used on electric vehicles and automobiles, flow lines are generated to seriously affect the quality of the whole automobile, so the repair is needed, the existing repair is mainly carried out by spraying coating on the surface, the coating mainly comprises acrylate coating, the coating thickness is 45-80 μm, the time and labor are wasted, the cost is high, the environmental protection performance is poor, and the cost of a single plastic part is increased invisibly when a large number of plastic parts are repaired.
Meanwhile, along with the increase of national requirements on environmental protection, the standards of the coating and other chemical industries are also improved, the traditional coating is mainly used for surface covering, the coating is uniformly coated on a flow pattern area on the surface of a plastic part, a covering layer is formed by curing, and the flow pattern is covered, but the existing flow pattern is mainly caused by the fact that injected plastic flows to generate connecting marks due to stability difference, so that the requirement on the bonding property between the coating and the plastic part after curing is higher.
At present, the treatment agent which can be used for quickly repairing the flow lines on the surface of the plastic part, is thin in coating after curing, good in repairing effect and high in efficiency is lacking in the market.
Disclosure of Invention
In view of the above, the present invention aims to provide a plastic part surface treating agent for repairing injection molding surface defects and a preparation method thereof. The plastic part surface treating agent for repairing the injection molding surface defects has high plastic part repairing efficiency, thin coating after curing, thickness of only 15-25 mu m, environmental protection and low cost.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a plastic part surface treating agent for repairing injection molding surface defects, which comprises the following components in part by weight: the mass ratio is as follows:
25-35wt% of cyclohexanone or a derivative of cyclohexanone;
15-25wt% of ethylene glycol monoethyl ether acetate;
15-25wt% of diacetone alcohol;
15-25wt% of dichloropropane;
5-15wt% of ethanol.
Preferred mass ratios are:
30wt% of cyclohexanone;
20wt% of ethylene glycol monoethyl ether acetate;
20wt% of diacetone alcohol;
20wt% of dichloropropane;
ethanol 10wt%
The derivatives of cyclohexanone include: one or more of 1, 3-cyclohexanedione, 1, 4-cyclohexanedione, methylcyclohexanone, dimethylcyclohexanone, phenylcyclohexanone, hydroxycyclohexanone, 4-alkylcyclohexanone and 4- (4-alkylphenyl) cyclohexanone;
the dichloropropane is 1, 2-dichloropropane or 1, 3-dichloropropane or a mixed solution of 1, 2-dichloropropane and 1, 3-dichloropropane;
the invention provides a preparation method of a plastic part surface treating agent for injection molding surface defect repair, which comprises the following steps:
premixing cyclohexanone or cyclohexanone derivatives, ethanol and diacetone alcohol, stirring with a coating dispersion machine, adding ethylene glycol monoethyl ether acetate and dichloropropane during stirring, and dispersing at the rotation speed of 500-800r/min for 15-20 min;
and (3) performing viscosity detection and spraying plate observation on the surface of the mixture, and filtering the mixture after the mixture is qualified by adopting a 200-mesh and 300-mesh filter screen to obtain the plastic part surface treating agent for repairing the injection molding surface defects.
The plastic part surface treating agent for repairing the injection molding surface defects can dissolve the material of the plastic part through cyclohexanone (a derivative of cyclohexanone), and the flow lines are fused through the dissolution of the material of the plastic part, so that the flow lines on the surface of the plastic part are relieved; the ethanol can be used as a solvent to dissolve the cyclohexanone, so that the dispersion efficiency is improved, uniform coating is formed on the surface of the plastic part, and the uniformity and the adhesive force of the coating and the thinning degree of the cured coating are further effectively improved. Therefore, the plastic part surface treating agent for repairing the injection molding surface defects provided by the invention has excellent repairing capability, is environment-friendly and has low cost. Compared with the traditional coating coverage, the plastic part surface treating agent for repairing the injection molding surface defects provided by the invention has good repairing capability, the thickness of the coating after curing can be controlled to be 15-25 mu m, the overall cost is reduced, and the increase of the wall thickness of the plastic part is limited to the greatest extent possible during the repairing.
The invention provides a preparation method of a plastic part surface treating agent for repairing injection molding surface defects. According to the invention, ethanol is used as a solvent to dissolve and disperse cyclohexanone, so that the dissolving uniformity of flow marks on the surface of a plastic part is improved; according to the invention, the rotating speed of the dispersion machine is controlled, so that the dispersion efficiency is improved, and the time cost of the preparation process is reduced; the invention changes the dispersing efficiency of each component in ethanol by changing the adding sequence of the components, shortens the mixing time and avoids the mutual reaction of each component in the dispersing process; the invention can control the quality of the treating agent by filtering through the filter screen, and avoids the influence on the appearance caused by granular feeling on the surface of the plastic part. Therefore, the preparation method provided by the invention has the advantages of good component uniformity and high purity, so that the repair of the surface of the plastic part is improved, and the preparation method is simple and easy to control.
Detailed Description
The following will describe in detail the surface treating agent for injection molding surface defect repair and the preparation method thereof according to the present invention with reference to the examples, but they should not be construed as limiting the scope of the present invention.
Example 1
The invention provides a plastic part surface treating agent for repairing injection molding surface defects, and the plastic part surface treating agent comprises the following components in parts by weight: cyclohexanone, ethylene glycol monoethyl ether acetate, diacetone alcohol, dichloropropane and ethanol in the following weight ratio:
cyclohexanone 25wt%
Ethylene glycol Ether acetate 25wt%
Diacetone alcohol 20wt%
25% by weight of dichloropropane
Ethanol 5-wt%
The preparation method comprises the following steps:
1) premixing 25wt% of cyclohexanone, 5wt% of ethanol and 20wt% of diacetone alcohol;
2) then stirring by a coating dispersion machine;
3) adding 25wt% of ethylene glycol monoethyl ether acetate and 25wt% of dichloropropane;
4) dispersing for 15min at the rotating speed of 800 r/min;
5) carrying out viscosity detection and spraying plate observation on the mixture;
6) and filtering the qualified product by using a 200-mesh filter screen to obtain the plastic part surface treating agent for repairing the injection molding surface defects.
Example 2
The invention provides a plastic part surface treating agent for repairing injection molding surface defects, and the plastic part surface treating agent comprises the following components in parts by weight: phenylcyclohexanone, ethylene glycol monoethyl ether acetate, diacetone alcohol, 1, 2-dichloropropane and ethanol, wherein the weight ratio is as follows:
35wt% of phenylcyclohexanone
Ethylene glycol Ether acetate 15wt%
Diacetone alcohol 15wt%
1, 2-dichloropropane 20wt%
Ethanol 15wt%
The preparation method comprises the following steps:
1) premixing 35wt% of cyclohexanone, 15wt% of ethanol and 15wt% of diacetone alcohol;
2) then stirring by a coating dispersion machine;
3) 15wt% of ethylene glycol monoethyl ether acetate and 20wt% of dichloropropane are added;
4) dispersing at 500r/min for 20 min;
5) carrying out viscosity detection and spraying plate observation on the mixture;
6) and filtering by adopting a 250-mesh filter screen after the detection is qualified to obtain the plastic part surface treating agent for repairing the injection molding surface defects.
Example 3
The invention provides a plastic part surface treating agent for repairing injection molding surface defects, and the plastic part surface treating agent comprises the following components in parts by weight: cyclohexanone, ethylene glycol monoethyl ether acetate, diacetone alcohol, dichloropropane and ethanol in the following weight ratio:
cyclohexanone 30wt%
Ethylene glycol monoethyl ether acetate 20wt%
Diacetone alcohol 20wt%
Dichloropropane 20wt%
Ethanol 10wt%
The preparation method comprises the following steps:
1) premixing 30wt% of cyclohexanone, 10wt% of ethanol and 20wt% of diacetone alcohol;
2) then stirring by a coating dispersion machine;
3) adding 20wt% of ethylene glycol monoethyl ether acetate and 20wt% of dichloropropane;
4) dispersing for 18min at the rotating speed of 600 r/min;
5) carrying out viscosity detection and spraying plate observation on the mixture;
6) and filtering by adopting a 220-mesh filter screen after the detection is qualified to obtain the plastic part surface treating agent for repairing the injection molding surface defects.
The surface treatment agent for repairing injection molding surface defects, prepared in example 1 ~ 3, is transparent and film-like after being cured into a film, has a smooth and glossy surface, and is dissolved and cured at the positions of flow marks on the surface of a plastic part under the action of the treatment agent, so that the positions are uniformly dissolved and repaired on the surface.
The performance of the plastic part surface treating agent for repairing injection molding surface defects prepared in example 1 ~ 3 was tested, a blank control was performed during the test, the verification was performed in combination with physical repair, and a conventional plastic part repair coating was used as a comparative example.
(1) Post cure coating thickness detection
The coating prepared in the embodiment 1 ~ 3 and the acrylate coating used as a comparative example are respectively coated on the surface of an ABS plastic plate, multiple ABS plastic plates are sprayed once to cover the whole surface, the thickness of the coating on the surface of the ABS plastic plate is respectively monitored after the coating is solidified into a film, and the thickness of the ABS plastic plate before and after the coating is monitored and compared.
The ABS plastic plate has the size of 100 × 2, the thickness detection randomly selects 9 points in the plane range, and when the ABS plastic plate is aligned front and back, the thickness detection points are the same;
the data were examined and the results are shown in table 1:
table 1 thickness test of a surface treatment agent for injection molding surface defect repair prepared in example 1 ~ 3
As can be seen from Table 1, compared with the acrylate coating, the coating thickness of the plastic part surface treating agent for repairing the injection molding surface defects provided by the invention after curing is one third of that of the coating after curing of the acrylate, the data is far better than that of the acrylate coating, and the influence on the size of the plastic part is small.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that the scope of the present invention is not limited thereto
It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention, and these modifications and improvements should be considered within the scope of the invention.
Claims (7)
1. A surface treatment agent for a plastic part for repairing injection molding surface defects is characterized by comprising: the mass ratio is as follows:
25-35wt% of cyclohexanone or a derivative of cyclohexanone;
15-25wt% of ethylene glycol monoethyl ether acetate;
15-25wt% of diacetone alcohol;
15-25wt% of dichloropropane;
5-15wt% of ethanol.
2. The plastic part surface treating agent for injection molding surface defect repair according to claim 1, wherein the derivative of cyclohexanone comprises: 1, 3-cyclohexanedione, 1, 4-cyclohexanedione, methylcyclohexanone, dimethylcyclohexanone, phenylcyclohexanone, hydroxycyclohexanone, 4-alkylcyclohexanone, 4- (4-alkylphenyl) cyclohexanone.
3. The plastic part surface treating agent for repairing injection molding surface defects according to claim 1, wherein the dichloropropane is 1, 2-dichloropropane, or 1, 3-dichloropropane, or a mixed solution of 1, 2-dichloropropane and 1, 3-dichloropropane.
4. The plastic part surface treating agent for repairing injection molding surface defects according to claim 1, which is characterized by comprising the following components in percentage by mass:
30wt% of cyclohexanone;
20wt% of ethylene glycol monoethyl ether acetate;
20wt% of diacetone alcohol;
20wt% of dichloropropane;
10wt% of ethanol.
5. The method for preparing the plastic part surface treating agent for repairing the injection molding surface defects, which is described in claim 1, is characterized by comprising the following steps of:
premixing cyclohexanone or cyclohexanone derivatives, ethanol and diacetone, stirring by using a coating dispersion machine, and adding ethylene glycol monoethyl ether acetate and dichloropropane during stirring;
and (3) performing viscosity detection and spraying plate observation on the surface of the mixture, and filtering the mixture by using a filter screen after the mixture is qualified to obtain the plastic part surface treating agent for repairing the injection molding surface defects.
6. The method as claimed in claim 5, wherein the dispersion machine disperses for 15-20min at a rotation speed of 500-800 r/min.
7. The method as claimed in claim 5, wherein the filter screen is 200-300 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052076.8A CN110628069A (en) | 2019-10-31 | 2019-10-31 | Plastic part surface treating agent for repairing injection molding surface defects and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052076.8A CN110628069A (en) | 2019-10-31 | 2019-10-31 | Plastic part surface treating agent for repairing injection molding surface defects and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110628069A true CN110628069A (en) | 2019-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911052076.8A Pending CN110628069A (en) | 2019-10-31 | 2019-10-31 | Plastic part surface treating agent for repairing injection molding surface defects and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165176A (en) * | 1965-10-23 | 1969-09-24 | Western Electric Co | Method of Refinishing the Surfaces of Plastics Articles |
| JPH08176320A (en) * | 1994-12-27 | 1996-07-09 | Toyobo Co Ltd | Anisotropic conductive adhesive film |
| US6086797A (en) * | 1998-01-05 | 2000-07-11 | Bango, Jr.; Joseph J. | Method for providing smooth surfaces on plastics |
| JP2002030266A (en) * | 2000-07-13 | 2002-01-31 | Nitto Denko Corp | Epoxy resin liquid adhesive composition and method of repairing using the same |
| CN104946119A (en) * | 2014-10-09 | 2015-09-30 | 东莞英铭化工有限公司 | UV type material treatment agent as well as preparation method and construction technology thereof |
| CN106832372A (en) * | 2017-01-22 | 2017-06-13 | 浙江工业大学 | A kind of method of thermoplastic macromolecule material selfreparing |
| WO2019145387A1 (en) * | 2018-01-25 | 2019-08-01 | Nanogate Se | Polycarbonate laminate with photochromic thermoplastic film |
-
2019
- 2019-10-31 CN CN201911052076.8A patent/CN110628069A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165176A (en) * | 1965-10-23 | 1969-09-24 | Western Electric Co | Method of Refinishing the Surfaces of Plastics Articles |
| JPH08176320A (en) * | 1994-12-27 | 1996-07-09 | Toyobo Co Ltd | Anisotropic conductive adhesive film |
| US6086797A (en) * | 1998-01-05 | 2000-07-11 | Bango, Jr.; Joseph J. | Method for providing smooth surfaces on plastics |
| JP2002030266A (en) * | 2000-07-13 | 2002-01-31 | Nitto Denko Corp | Epoxy resin liquid adhesive composition and method of repairing using the same |
| CN104946119A (en) * | 2014-10-09 | 2015-09-30 | 东莞英铭化工有限公司 | UV type material treatment agent as well as preparation method and construction technology thereof |
| CN106832372A (en) * | 2017-01-22 | 2017-06-13 | 浙江工业大学 | A kind of method of thermoplastic macromolecule material selfreparing |
| WO2019145387A1 (en) * | 2018-01-25 | 2019-08-01 | Nanogate Se | Polycarbonate laminate with photochromic thermoplastic film |
Non-Patent Citations (1)
| Title |
|---|
| 魏文德: "《有机化工原料大全中卷》", 化学工业出版社 * |
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Application publication date: 20191231 |